Medical laboratory wastewater pretreatment device

Abstract

The utility model relates to the technical field of wastewater treatment equipment, and discloses a medical laboratory wastewater pretreatment device which comprises a bottom shell, a first fixing pipe fixedly connected to the bottom of the bottom shell, a partition plate arranged above the bottom shell and fixedly connected to the bottom shell through a plurality of supporting blocks, and an aeration cover fixedly connected to the partition plate. A shaft ring is movably connected to the outer side of the bottom shell and the outer side of the partition plate, a plurality of fixing seats are fixedly connected to the outer side of the shaft ring, turbulent flow paddles are fixedly connected between every two adjacent fixing seats, a second fixing pipe is fixedly connected to the position, close to the first fixing pipe, of the bottom of the bottom shell, and the first fixing pipe is fixedly connected with an air supply pipe in the water treatment box. Through the arrangement of the flow dividing structure, the shaft ring drives the turbulent flow paddle to rotate, bubbles near the aeration cover are diffused to the periphery, a vertical ascending path is broken, the content of dissolved oxygen in wastewater in adjacent areas is increased, local oxygen deficit is avoided, meanwhile, the shaft ring and the turbulent flow paddle are driven to rotate through wastewater pumping pressure, extra power is not needed, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment equipment technical field, especially in medical laboratory wastewater pretreatment device. BACKGROUND

[0002] Medical laboratory wastewater treatment equipment is the device that handles laboratory containing pollutant wastewater specially, and it usually contains pretreatment unit, main processing system, advanced treatment equipment and disinfection equipment, and the equipment removes pathogenic microorganism, heavy metal, organic matter and other pollutants in wastewater through physical separation, chemical reaction, biological degradation and other processes, and ensures that the effluent meets the discharge standard;

[0003] The aeration mechanism in wastewater treatment equipment is the equipment that fills air into water body in wastewater treatment system, and the core role is to increase the dissolved oxygen content in water, provide aerobic environment for microorganism, promote the degradation of organic pollutants, and the common forms are aeration fan, aeration disc, aeration hose and the like, and the water and air are fully contacted through gas diffusion, and when the aeration discs are arranged at equal intervals, the bubbles vertically rise under the action of buoyancy, form independent rising paths, therefore, the bubbles preferentially contact the surrounding water and release oxygen when rising, the wastewater between adjacent paths is little disturbed by bubbles, the dissolved oxygen content is low, the oxygen transfer efficiency is low, local water body is hypoxic, the activity of aerobic microorganism is affected, that is, low-oxygen area and high-oxygen area form treatment difference, the overall pollutant degradation is insufficient and uneven, the purification rate and effect of the equipment on wastewater are reduced, and finally the treatment efficiency is affected. UTILITY MODEL CONTENT

[0004] The utility model discloses a medical laboratory wastewater pretreatment device, and the bubbles are diffused by the rotating turbulence paddle, the dissolved oxygen uniformity of wastewater is improved, and the low-oxygen area is reduced, so that the problems in the background art can be effectively solved.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that

[0006] A medical laboratory wastewater pretreatment device, comprising a bottom shell, the bottom shell is fixedly connected with a first fixed pipe at the bottom, a partition plate is arranged above the bottom shell, and the partition plate is fixedly connected to the bottom shell through a plurality of supporting blocks, an aeration cover is fixedly connected to the partition plate, a shaft ring is movably connected to the outer side of the bottom shell and the partition plate, a plurality of fixed seats are fixedly connected to the outer side of the shaft ring, and turbulence paddles are fixedly connected between adjacent two fixed seats.

[0007] As a further preferred scheme of the utility model, a second fixed pipe is fixedly connected to the bottom shell at a position close to the first fixed pipe, the first fixed pipe is fixedly connected with a gas supply pipe in the water treatment box, and the second fixed pipe is fixedly connected with a water supply pipe in the water treatment box, and the partition plate is arranged between the bottom shell and the aeration cover, so that a water-gas shunt channel can be realized.

[0008] As a further preferred scheme of the utility model, connecting pipe is fixedly connected between the center position of the top of bottom shell and the partition, the cavity between the partition and the aeration cover is communicated with the inner cavity of the first fixed pipe through the connecting pipe, the high-pressure gas can enter the cavity between the partition and the aeration cover through the first fixed pipe and the connecting pipe, and is discharged through the aeration cover to generate bubbles, and the cavity between the bottom shell and the partition makes the wastewater entering through the second fixed pipe into the collar.

[0009] As a further preferred scheme of the utility model, the outer side of bottom shell and the outer side of partition are fixedly connected with the link rings respectively, the bottom shell at the position below one of the link rings is further fixedly connected with a fixed ring, a plurality of balls are rotatably connected in the fixed ring, and the rotation of the collar outside the bottom shell and the partition is provided after the plurality of balls are rotatably connected in the fixed ring.

[0010] As a further preferred scheme of the utility model, the collar has a hollow cavity, a rotating groove is formed in the inner side of the collar, two link grooves are further formed in the collar at the position above the rotating groove, the rotating groove is rotatably connected on the fixed ring, the link groove is rotatably connected on the corresponding link ring and does not contact the link ring, the collar between the two link grooves is communicated with the cavity between the bottom shell and the partition, and the mutual insertion of the link ring and the link groove can reduce the overflow of the wastewater between the bottom shell and the partition after the wastewater enters the collar, and the smoothness of the rotation of the collar is guaranteed.

[0011] As a further preferred scheme of the utility model, a plurality of jet ports are formed in the outer side of the collar, the jet ports are obliquely arranged at 45 degrees, the wastewater in the collar is sprayed out from the obliquely arranged jet ports through the pressure of pumping, the collar is driven to rotate, the collar drives the plurality of spoiler paddles to rotate, and the bubbles near the aeration cover are diffused to the periphery.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, the collar drives the spoiler paddles to rotate, the bubbles near the aeration cover are diffused to the periphery, the vertical rising path is broken, the dissolved oxygen content of the wastewater in the adjacent area is improved, local anoxia is avoided, the collar and the spoiler paddles are driven to rotate by the pressure of wastewater pumping, no additional power is needed, and the energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the main body structure schematic view of the utility model;

[0015] Figure 2 It is the main body structure split schematic view of the utility model;

[0016] Figure 3 The utility model discloses a main body structure cross section view;

[0017] Figure 4 The utility model discloses a main body structure installation state schematic drawing.

[0018] In the drawing: 1, bottom shell;2, first fixed pipe;3, baffle;4, support block;5, aeration cover;6, shaft ring;7, fixed seat;8, turbulence paddle;9, connecting pipe;10, second fixed pipe;11, link ring;12, fixed ring;13, ball;14, rotating groove;15, link groove;16, jet port. DETAILED DESCRIPTION

[0019] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] As Figures 1-4 The utility model provides a kind of medical laboratory wastewater pretreatment device, including bottom shell 1, first fixed pipe 2 is fixedly connected in bottom shell 1 bottom, baffle 3 is arranged in the position of bottom shell 1 upper side, and baffle 3 is fixedly connected on bottom shell 1 by multiple support blocks 4, aeration cover 5 is fixedly connected on baffle 3, shaft ring 6 is movably connected with baffle 3 outside of bottom shell 1, multiple fixed seats 7 are fixedly connected with shaft ring 6 outside, and turbulence paddle 8 is fixedly connected between adjacent two fixed seats 7.

[0021] As Figures 2-3 Second fixed pipe 10 is fixedly connected in the position of bottom shell 1 bottom close to first fixed pipe 2, first fixed pipe 2 is fixedly connected with the gas supply pipe in water treatment box, second fixed pipe 10 is fixedly connected with the water supply pipe in water treatment box, baffle 3 is arranged between bottom shell 1 and aeration cover 5, can realize water gas shunt passage, connecting pipe 9 is fixedly connected between the center position of bottom shell 1 top and baffle 3, the cavity between baffle 3 and aeration cover 5 is communicated with the inner cavity of first fixed pipe 2 by connecting pipe 9, high-pressure gas can be entered into the cavity between baffle 3 and aeration cover 5 by first fixed pipe 2, connecting pipe 9, and is discharged to produce bubble by aeration cover 5, and the cavity between bottom shell 1 and baffle 3 makes the wastewater entered into shaft ring 6 by second fixed pipe 10, link ring 11 is fixedly connected with the outside of baffle 3 and the outside of bottom shell 1 respectively, bottom shell 1 below the position of one of link ring 11 is also fixedly connected with fixed ring 12, multiple balls 13 are rotatably connected in fixed ring 12, after multiple balls 13 are rotatably connected in fixed ring 12, it can provide the condition for the rotation of shaft ring 6 outside bottom shell 1 and baffle 3.

[0022] As Figures 1-3As shown, the shaft ring 6 has a hollow cavity, the inside of the shaft ring 6 is provided with a rotating groove 14, the shaft ring 6 is also provided with two connection grooves 15 above the rotating groove 14, the rotating groove 14 is rotatably connected to the fixed ring 12, the connection groove 15 is rotatably connected to the corresponding connection ring 11 and does not contact the connection ring 11, the shaft ring 6 between the two connection grooves 15 is also communicated with the cavity between the bottom shell 1 and the partition plate 3, after the shaft ring 6 is rotatably connected to the fixed ring 12 through the rotating groove 14, the connection ring 11 and the connection groove 15 are inserted with each other, so that the wastewater between the bottom shell 1 and the partition plate 3 enters the shaft ring 6, the overflow of the wastewater is reduced, and the smoothness of the rotation of the shaft ring 6 is ensured, a plurality of jet ports 16 are provided on the outside of the shaft ring 6, the jet ports 16 are obliquely arranged at 45 degrees, the wastewater entering the shaft ring 6 is sprayed out from the obliquely arranged jet ports 16 through the pressure of pumping, so as to drive the shaft ring 6 to rotate, so that the shaft ring 6 drives the plurality of spoiler paddles 8 to rotate, and the bubbles near the aeration cover 5 are diffused to the periphery.

[0023] It should be noted that the utility model is a kind of medical laboratory wastewater pretreatment device, when wastewater is aerated, first fixed pipe 2 is connected to the air supply pipe of water treatment tank, high-pressure gas enters connecting pipe 9 through first fixed pipe 2, then flows into the cavity between partition plate 3 and aeration cover 5, and finally is released to form bubbles through aeration cover 5, to provide dissolved oxygen for wastewater, at the same time, second fixed pipe 10 is connected to the water supply pipe of water treatment tank, wastewater enters the cavity between bottom shell 1 and partition plate 3 through second fixed pipe 10 under the action of pumping pressure, then flows into the hollow cavity of shaft ring 6, and the jet ports 16 on the outside of shaft ring 6 are obliquely arranged at 45 degrees, wastewater is sprayed out from jet ports 16 under the action of pressure, the lateral thrust generated drives shaft ring 6 to rotate, when shaft ring 6 rotates, spoiler paddles 8 connected to the outside of shaft ring 6 rotate, to disturb the water near aeration cover 5, to scatter vertically rising bubbles and diffuse to the periphery, to expand the contact range of bubbles and wastewater, to improve the dissolved oxygen content of wastewater in adjacent area, to avoid local anoxic effect on the activity of aerobic microorganisms.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A medical laboratory wastewater pretreatment device, characterized by: The utility model provides a water treatment device, including bottom shell (1), bottom shell (1) bottom fixedly connected with first fixed pipe (2), bottom shell (1) bottom is close to the first fixed pipe (2) position fixedly connected with second fixed pipe (10), first fixed pipe (2) with the air supply pipe fixed connection in water treatment box, second fixed pipe (10) with water supply pipe fixed connection in water treatment box, bottom shell (1) top position is provided with the baffle (3), and the baffle (3) is fixedly connected on bottom shell (1) through a plurality of support blocks (4), the baffle (3) is fixedly connected with aeration cover (5), bottom shell (1) with baffle (3) outside swing joint has the shaft ring (6), the shaft ring (6) outside fixedly connected with a plurality of fixed seat (7), and adjacent two fixed seat (7) between fixedly connected with the turbulence paddle (8), bottom shell (1) top center position with baffle (3) between fixedly connected with the connecting pipe (9), bottom shell (1) outside with baffle (3) outside is fixedly connected with the link ring (11), and the bottom shell (1) of one of link ring (11) below position is still fixedly connected with fixed ring (12), the shaft ring (6) has hollow cavity, the shaft ring (6) inside is seted up with the rotation groove (14), the shaft ring (6) is still seted up with two link grooves (15) in the rotation groove (14) above position, the rotation groove (14) rotation is connected in fixed ring (12), the shaft ring (6) outside is seted up with a plurality of jet port (16).

2. A medical laboratory wastewater pre-treatment device according to claim 1, characterized in that: The cavity between the baffle (3) and the aeration cover (5) is communicated with the inner cavity of the first fixed pipe (2) through the connecting pipe (9).

3. A medical laboratory wastewater pretreatment device according to claim 1, characterized in that: The fixed ring (12) is rotatably connected with a plurality of balls (13).

4. A medical laboratory wastewater pre-treatment device according to claim 3, wherein: The link grooves (15) are rotatable on the corresponding link rings (11) without contacting the link rings (11), and the shaft ring (6) between the two link grooves (15) is also communicated with the cavity between the bottom shell (1) and the baffle (3).

5. A medical laboratory wastewater pretreatment device according to claim 4, characterized in that: The jet ports (16) are obliquely arranged at 45 degrees.

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