Hospital wastewater treatment equipment

Abstract

The utility model discloses hospital wastewater treatment equipment. The hospital wastewater treatment equipment comprises a mixing tank, a disinfectant tank, a flocculant tank, a hospital wastewater tank and a coagulant aid tank, according to the utility model, a dynamic mixing environment is constructed through triple effects of turbulent flow formed by high-speed intersection spraying of the multiple nozzles, disturbance of the inclined hole stirring blades and forced circulation of the static mixer, so that the contact uniformity of a flocculating agent and wastewater is remarkably improved, the mixing dead angle of traditional stirring is eliminated, and full reaction and no residue of a medicament are ensured; a double-protection system of ultraviolet instantaneous inactivation and chemical agent long-acting bacteriostasis is formed through an ultraviolet lamp set and a disinfectant, the inactivation capacity on drug-resistant bacteria and viruses is greatly improved, the floc form is monitored in real time by adopting a high-resolution industrial camera and an LED illuminating lamp for backlight illumination, and the stirring intensity and the circulating flow are dynamically adjusted. The size distribution of flocs tends to be more reasonable, the precipitation efficiency is remarkably improved, and meanwhile, the system blockage risk and the operation and maintenance frequency are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment equipment technical field especially relates to a hospital wastewater treatment equipment. BACKGROUND

[0002] With the rapid development of medical industry and the continuous progress of medical technology, the generation of hospital wastewater is also increasing year by year. Hospital wastewater has the characteristics of complex composition, containing a large number of pathogenic microorganisms, toxic and harmful substances and radioactive pollution, etc. If it is not effectively treated and directly discharged, it will pose a serious threat to the environment and human health.

[0003] The existing hospital wastewater treatment device adds disinfectant and flocculant to the wastewater during use, so that the added reagent reacts with the wastewater to eliminate harmful substances in the wastewater. However, for a large amount of blood discharge in medical wastewater, it needs to be disinfected and precipitated. The existing operation tool has many processes and high cost. In addition, it needs to add disinfectant and flocculant manually, which is time-consuming and laborious.

[0004] Therefore, a hospital wastewater treatment equipment is disclosed, which comprises a support frame, a disinfection and flocculation assembly, a reaction container and a stirring mechanism, the reaction container is arranged on the support frame, the stirring mechanism is arranged in the reaction container, the side wall of the reaction container is provided with a feed pipe for inputting wastewater, and the bottom of the reaction container is provided with a discharge pipe for outputting wastewater. A feeding assembly comprises a storage box and a feeding mechanism, the input end of the feeding mechanism is arranged at the bottom of the storage box, and the output end of the feeding mechanism is communicated with the reaction container. The hospital wastewater treatment equipment can disinfect and settle medical wastewater at the same time, and quantitatively deliver reagents, thereby greatly improving the purification efficiency of medical wastewater.

[0005] However, the above-mentioned disclosed technology realizes non-manual feeding through the feeding structure, but the single stirring form is easy to have dead angle, leading to uneven mixing. Therefore, it is necessary to optimize and improve the structure of the hospital wastewater treatment equipment to improve the treatment efficiency. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings in the prior art and provides a hospital wastewater treatment equipment.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a hospital wastewater treatment equipment, including mixing jar, disinfectant jar, flocculating agent jar, hospital wastewater jar and coagulant aid jar, the lower wall of mixing jar is supported through multiple groups of support legs, the upper wall of mixing jar is provided with the feeding pipe and drive motor that are distributed left and right, the upper wall of feeding pipe is fixedly connected with four groups of first liquid diaphragm pump, the inboard upper wall of feeding pipe is provided with four groups of sprayer, four groups sprayer are connected with a group of first liquid diaphragm pump outlet end through a group of injection pipe respectively, and the injection direction of four groups sprayer all is towards the axial line of feeding pipe and intersects, the drive motor stretches out the shaft end and is fixedly connected with two groups of stirring vane through stirring shaft, the inner wall of stirring vane is provided with multiple groups of oblique holes that are randomly distributed, the lower wall of mixing jar is fixedly connected with second liquid diaphragm pump through the liquid suction pipe, the end of second liquid diaphragm pump away from the liquid suction pipe is fixedly connected with the discharge pipe and circulation pipe through the three-way joint, the end of circulation pipe away from the three-way joint is fixedly connected with static mixer, the top of static mixer is fixedly connected with transparent tube, the top of static mixer is also provided with industrial video camera and LED illuminating lamp for identifying flocculation particle size, the outer wall of mixing jar is provided with multiple groups of ultraviolet lamp tubes for physical disinfection.

[0008] As a further description of the above technical solution:

[0009] The front wall and the rear wall of the mixing jar are provided with rectangular openings, the inside of the rectangular openings is sealed by quartz glass, the front wall and the rear wall of the mixing jar and located outside the rectangular openings are provided with ultraviolet disinfection boxes, a plurality of ultraviolet lamp tubes are arranged inside the two ultraviolet disinfection boxes, and the plurality of ultraviolet lamp tubes are arranged in a circumferential equidistant manner with the axis of the mixing jar as the center.

[0010] As a further description of the above technical solution:

[0011] The industrial video camera and the LED illuminating lamp are fixedly connected to the top of the static mixer and located on the front and rear sides of the transparent tube respectively, and the shooting direction of the industrial video camera is opposite to the illuminating direction of the LED illuminating lamp.

[0012] As a further description of the above technical solution:

[0013] The aperture of the oblique hole is 20-30mm, the inclination angle of the oblique hole is 30°-60°, and the random distribution density of the oblique hole is 5-8 holes per square decimeter.

[0014] As a further description of the above technical solution:

[0015] The inlet end of the four first liquid diaphragm pumps is communicated with the disinfectant jar, the flocculating agent jar, the hospital wastewater jar and the coagulant aid jar respectively.

[0016] As a further description of the above technical solution:

[0017] The first fixing seat and the second fixing seat are fixedly connected to the upper wall of the mixing tank through fixing frames, the second fixing seat is located at the center of the top view projection of the mixing tank and at the right side of the first fixing seat, the feeding pipe is fixedly connected to the upper wall of the first fixing seat, the driving motor is fixedly connected to the upper wall of the second fixing seat, and the driving motor is fixedly connected to the stirring shaft after the end of the extending end of the driving motor penetrates the inner wall of the second fixing seat.

[0018] As a further description of the above technical solution:

[0019] The outer wall of the discharge pipe is fixedly connected with an electric control valve.

[0020] As a further description of the above technical solution:

[0021] The end of the transparent pipe away from the static mixer is fixedly connected with a water return pipe, the water return pipe is a bent pipe and the end of the water return pipe away from the transparent pipe extends into the inside of the mixing tank.

[0022] The utility model has the following beneficial effects:

[0023] 1. Compared with the prior art, the hospital wastewater treatment equipment forms turbulent flow through multiple high-speed intersection injection, disturbance of inclined hole stirring blade and forced circulation of static mixer, and constructs a dynamic mixing environment; this design effectively destroys the laminar flow state of high-viscosity wastewater, significantly improves the uniformity of contact between the flocculant and the wastewater, eliminates the mixing dead angle of traditional stirring, and ensures sufficient reaction of the medicament and no residue;

[0024] 2. Compared with the prior art, the hospital wastewater treatment equipment realizes no dead angle irradiation coverage in the tank through the coaxial circular arrangement of the ultraviolet lamp group and the quartz window transmission-reflection collaborative design, combined with the fluid dynamics generated by stirring; at the same time, the disinfectant continuously releases active ingredients during the mixing process, forming a double protection system of ultraviolet instantaneous inactivation and chemical medicament long-acting bacteriostatic, which greatly improves the inactivation ability to drug-resistant bacteria and viruses.

[0025] 3. Compared with the prior art, the hospital wastewater treatment equipment uses a high-resolution industrial camera and an LED illuminating lamp for backlight illumination to monitor the flocculation form in real time, dynamically adjusts the stirring intensity and circulation flow; the flocculation size distribution is more reasonable, the sedimentation efficiency is significantly improved, and the system blockage risk and operation frequency are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The utility model proposes a kind of overall structure schematic diagram of hospital wastewater treatment equipment;

[0027] Figure 2 The utility model proposes a kind of hospital wastewater treatment equipment Figure 1A local enlarged view at the middle A;

[0028] Figure 3 A disinfection box internal structure schematic view of the hospital wastewater treatment equipment is provided in the utility model.

[0029] Figure 4 A feeding pipe top view of the hospital wastewater treatment equipment is provided in the utility model.

[0030] Legend:

[0031] 1, mixing tank; 2, leg; 3, quartz glass; 4, ultraviolet disinfection box; 5, fixed frame; 6, first fixed seat; 7, feeding pipe; 8, first liquid diaphragm pump; 9, second fixed seat; 10, driving motor; 11, stirring blade; 12, inclined hole; 13, liquid suction pipe; 14, second liquid diaphragm pump; 15, circulating pipe; 16, discharge pipe; 17, electric control valve; 18, static mixer; 19, transparent pipe; 20, industrial camera; 21, LED illuminating lamp; 22, backwater pipe; 23, ultraviolet lamp; 24, injection pipe; 25, spray head. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] Referring to Figures 1 to 4 The hospital wastewater treatment equipment provided by the utility model comprises a mixing tank 1, a disinfectant tank, a flocculant tank, a hospital wastewater tank and a coagulant aid tank, a plurality of groups of legs 2 support the lower wall of the mixing tank 1, the upper wall of the mixing tank 1 is provided with feeding pipes 7 and driving motors 10 distributed left and right, the first fixed seat 6 and the second fixed seat 9 are fixedly connected to the upper wall of the mixing tank 1 through the fixed frame 5, the second fixed seat 9 is located at the center of the top view projection of the mixing tank 1 and is located on the right side of the first fixed seat 6, the feeding pipe 7 is fixedly connected to the upper wall of the first fixed seat 6

[0034] When in use, the legs 2 are fixed to the ground through foundation bolts, so that the running stability of the mixing tank 1 is ensured; the fixed frame 5 is rigidly connected with the first fixed seat 6 and the second fixed seat 9, so that the feeding pipe 7 and the driving motor 10 are prevented from deviating due to vibration, and the deviation of the medicine injection track from the design axis is effectively prevented.

[0035] In order to realize the high-speed collision of the medicine to form turbulence, eliminate the dead angle of traditional stirring mixing, four groups of first liquid diaphragm pumps 8 are fixedly connected on the upper wall of the feeding pipe 7, the inlet ends of the four groups of first liquid diaphragm pumps 8 are respectively communicated with the disinfectant tank, the flocculating agent tank, the hospital wastewater tank and the coagulant aid tank, four groups of nozzles 25 are arranged on the inner side upper wall of the feeding pipe 7, the four groups of nozzles 25 are respectively connected with the outlet ends of a group of first liquid diaphragm pumps 8 through a group of injection pipes 24, and the injection directions of the four groups of nozzles 25 are all towards the axial line of the feeding pipe 7 and intersect with each other;

[0036] In operation, the four groups of first liquid diaphragm pumps 8 are started synchronously, the disinfectant, the flocculating agent, the wastewater and the coagulant aid are respectively sprayed from the nozzles 25 through the injection pipes 24 at the intersection angle, high-speed collision is formed in the central region of the feeding pipe 7 to generate initial turbulence, the premixing effect of the medicine and the wastewater is significantly improved, and the local concentration caused by the undispersed medicine directly entering the mixing tank 1 is avoided;

[0037] In order to strengthen the disturbance of the fluid in the tank and realize uniform mixing in the whole region, the two groups of stirring blades 11 are fixedly connected with the shaft end of the driving motor 10 extending out through the stirring shaft, the driving motor 10 is fixedly connected on the upper wall of the second fixed seat 9, the end of the driving motor 10 extending out penetrates through the inner wall of the second fixed seat 9 and is fixedly connected with the stirring shaft, a plurality of oblique holes 12 in random distribution are arranged on the inner wall of the stirring blade 11, the oblique hole 12 has a hole diameter of 20-30mm, the oblique hole 12 has an inclination angle of 30°-60°, and the random distribution density of the oblique hole 12 is 5-8 holes per square decimeter;

[0038] In operation, the driving motor 10 drives the stirring blade 11 to rotate, when the mixed liquid flows through the oblique hole 12, the oblique hole 12 generates secondary shear force under the action of the inclined hole, multi-directional turbulence is formed, the laminar flow state of the high-viscosity wastewater is completely broken, the flocculating agent and the pathogenic microorganism are fully contacted, and the sediment accumulation at the bottom of the tank is eliminated;

[0039] In order to realize dynamic regulation and control of the mixing process and optimize the flocculation environment, the second liquid diaphragm pump 14 is fixedly connected with the lower wall of the mixing tank 1 through the liquid suction pipe 13, the end of the second liquid diaphragm pump 14 away from the liquid suction pipe 13 is fixedly connected with the discharge pipe 16 and the circulation pipe 15 through the three-way joint, the end of the circulation pipe 15 away from the three-way joint is fixedly connected with the static mixer 18, the top of the static mixer 18 is fixedly connected with the transparent pipe 19, the end of the transparent pipe 19 away from the static mixer 18 is fixedly connected with the water return pipe 22, and the water return pipe 22 is a bend pipe and the end away from the transparent pipe 19 extends into the inside of the mixing tank 1;

[0040] In operation, the second liquid diaphragm pump 14 draws part of the mixed liquid out through the liquid suction pipe 13, and the mixed liquid is discharged through the discharge pipe 16 or enters the static mixer 18 for intensive mixing through the circulation pipe 15; the bend structure of the water return pipe 22 guides the liquid to flow tangentially into the mixing tank 1, cooperates with the stirring blade 11 to form a cyclone, effectively prolongs the flocculation time, and avoids the breakage of large particle flocculation.

[0041] In order to realize the flocculation process visualization monitoring and intelligent adjustment, the top of the static mixer 18 is also provided with an industrial camera 20 for identifying the size of the flocculation particles and an LED illuminating lamp 21, both of which are fixedly connected to the top of the static mixer 18 and located on the front and rear sides of the transparent tube 19 respectively, and the camera direction of the industrial camera 20 is opposite to the illumination direction of the LED illuminating lamp 21;

[0042] In operation, the LED illuminating lamp 21 provides backlight illumination, and the industrial camera 20 captures the flocculation body morphology in the transparent tube 19 in real time, and the image data is accepted and processed through the common control system on the market, and the driving motor 10 speed and the second liquid diaphragm pump 14 flow are dynamically adjusted according to the processing result, so as to ensure the uniform distribution of the flocculation body size and reduce the subsequent sedimentation tank load;

[0043] In order to realize the mixing and disinfection double functions and eliminate the blind area of ultraviolet irradiation, a plurality of ultraviolet lamp tubes 23 for physical disinfection are arranged on the outer wall of the mixing tank 1, the front wall and the rear wall of the mixing tank 1 are both provided with a rectangular opening, the inside of the rectangular opening is sealed by a quartz glass 3, the front wall and the rear wall of the mixing tank 1 and located outside the rectangular opening are both provided with an ultraviolet disinfection box 4, a plurality of ultraviolet lamp tubes 23 are arranged inside the two groups of ultraviolet disinfection boxes 4 respectively, and the plurality of ultraviolet lamp tubes 23 are arranged in a circle at equal intervals with the axis of the mixing tank 1 as the center;

[0044] The ultraviolet light emitted by the ultraviolet lamp tube 23 penetrates the quartz glass 3 to irradiate the liquid in the tank, and at the same time the stirring blade 11 drives the liquid to roll, so that the microorganisms are fully exposed to the irradiation area; the circular arrangement of the lamp tubes in the disinfection box 4 forms a superimposed light field, which completely covers the central area of the tank body and makes up for the irradiation attenuation defect of the traditional single-row lamp tube on the side wall;

[0045] In order to accurately control the discharge time and avoid the discharge of substandard wastewater, the electric control valve 17 is fixedly connected to the outer wall of the discharge pipe 16;

[0046] When the industrial camera 20 detects that the flocculation body meets the standard and the cumulative dose of ultraviolet disinfection meets the set value, the electric control valve 17 is automatically opened to discharge to the subsequent sedimentation treatment process; if the monitoring data is abnormal, the electric control valve 17 is closed and the circulating pipe 15 is triggered to return.

[0047] Working principle: when in use, the supporting legs 2 are fixed to the ground through the anchor bolts to ensure the stability of the mixing tank 1; the fixed frame 5 is rigidly connected with the first fixing seat 6 and the second fixing seat 9 to avoid the deviation of the feeding pipe 7 and the driving motor 10 due to vibration, effectively preventing the deviation of the medicine injection trajectory from the designed axis; the four groups of first liquid diaphragm pumps 8 are started synchronously, the disinfectant, the flocculant, the wastewater and the coagulant aid are respectively injected from the nozzles 25 through the injection pipes 24 at an intersection angle, high-speed collision is formed in the central region of the feeding pipe 7, initial turbulence is generated, the premixing effect of the medicine and the wastewater is significantly improved, and the direct entry of the undispersed medicine into the mixing tank 1 to cause local high concentration is avoided; the driving motor 10 drives the stirring blade 11 to rotate, when the mixed liquid flows through the inclined hole 12, the mixed liquid is subjected to the action of the inclined hole to generate secondary shear force, multi-directional turbulence is formed, the laminar flow state of the high-viscosity wastewater is completely broken, the flocculant and the pathogenic microorganism are fully contacted, and the sediment accumulation at the bottom of the tank is eliminated; the second liquid diaphragm pump 14 draws part of the mixed liquid through the liquid drawing pipe 13, and the mixed liquid is discharged through the discharge pipe 16 or enters the static mixer 18 through the circulation pipe 15 for reinforced mixing; the elbow structure of the backwater pipe 22 guides the liquid to flow into the mixing tank 1 tangentially, and cooperates with the stirring blade 11 to form a cyclone, effectively prolongs the flocculation growth time, and avoids the breakage of large particle flocculation; the LED illuminating lamp 21 provides backlight illumination, the industrial camera 20 shoots the flocculation form in the transparent pipe 19 in real time, the image data are received and processed through the common control system on the market, the driving motor 10 speed and the second liquid diaphragm pump 14 flow are dynamically adjusted according to the processing result, the uniform distribution of the flocculation size is ensured, and the load of the subsequent sedimentation tank is reduced; the ultraviolet light emitted by the ultraviolet lamp 23 penetrates through the quartz glass 3 to irradiate the liquid in the tank, and at the same time, the stirring blade 11 drives the liquid to roll, so that the microorganism is fully exposed to the irradiation area; the lamp tubes in the disinfection box 4 are arranged in a circumferential manner to form a superimposed light field, which completely covers the central region of the tank body, and makes up for the irradiation attenuation defect of the traditional single-row lamp tube on the side wall; when the industrial camera 20 detects that the flocculation reaches the standard and the cumulative dose of the ultraviolet disinfection meets the set value, the electric control valve 17 is automatically opened to discharge to the subsequent sedimentation treatment process; if the monitoring data is abnormal, the electric control valve 17 is closed and the circulation pipe 15 is triggered to return.

[0048] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A hospital wastewater treatment apparatus, characterized by: The utility model provides a hospital waste treatment device, including mixing jar (1), sterilizing agent jar, flocculating agent jar, hospital waste jar and coagulant jar, the lower wall of mixing jar (1) is supported through multiple groups of support leg (2), the upper wall of mixing jar (1) is provided with left and right distribution's feeding pipe (7) and drive motor (10), the upper wall of feeding pipe (7) is fixedly connected with four groups of first liquid diaphragm pump (8), the inboard upper wall of feeding pipe (7) is provided with four groups of shower nozzle (25), four groups of shower nozzle (25) are connected with a group of first liquid diaphragm pump (8) outlet end through a group of injection pipe (24) respectively, and the injection direction of four groups of shower nozzle (25) all is towards the axial line of feeding pipe (7) and meets, and the fixed connection of two groups of stirring vane (11) is achieved through the shaft fixed connection of drive motor (10) stretchout shaft end, the inner wall of stirring vane (11) is provided with multiple groups of random distribution's inclined hole (12), the lower wall of mixing jar (1) is fixedly connected with second liquid diaphragm pump (14) through liquid pumping pipe (13), and the end, far away from liquid pumping pipe (13) of second liquid diaphragm pump (14) is fixedly connected with discharge pipe (16) and circulation pipe (15) through three-way joint, and the end, far away from three-way joint of circulation pipe (15) is fixedly connected with static mixer (18), and the top of static mixer (18) is fixedly connected with transparent tube (19), and the top of static mixer (18) is also provided with industrial video camera (20) and LED illuminating lamp (21) for identifying flocculation particle size, and the outer wall of mixing jar (1) is provided with multiple groups of ultraviolet lamp (23) for physical disinfection.

2. The hospital wastewater treatment apparatus according to claim 1, characterized by: The front wall and the rear wall of the mixing jar (1) are provided with rectangular openings, the rectangular openings are sealed by quartz glass (3), the front wall and the rear wall of the mixing jar (1) and located outside the outer wall of the rectangular openings are provided with ultraviolet disinfection boxes (4), a plurality of groups of the ultraviolet lamp tubes (23) are arranged inside the two groups of ultraviolet disinfection boxes (4), and the plurality of groups of the ultraviolet lamp tubes (23) are arranged in a circumferential equidistant manner with the axis of the mixing jar (1) as the center.

3. A hospital waste treatment apparatus according to claim 2, characterised in that: The industrial video camera (20) and the LED illuminating lamp (21) are fixedly connected to the top of the static mixer (18) and located on the front and rear sides of the transparent tube (19) respectively, and the imaging direction of the industrial video camera (20) is opposite to the lighting direction of the LED illuminating lamp (21).

4. A hospital waste treatment apparatus according to claim 3, characterised in that: The inclined hole (12) has a hole diameter of 20-30 mm, an inclination angle of 30°-60°, and a random distribution density of 5-8 holes per square decimeter.

5. A hospital waste treatment apparatus as claimed in claim 4, characterised in that: The inlet ends of the four groups of first liquid diaphragm pumps (8) are communicated with the sterilizing agent jar, the flocculating agent jar, the hospital waste jar, and the coagulant jar respectively.

6. A hospital waste treatment apparatus according to claim 5, characterised in that: The upper wall of the mixing tank (1) is fixedly connected with a first fixing seat (6) and a second fixing seat (9) through a fixing frame (5), the second fixing seat (9) is located at the center of the plan view of the mixing tank (1) and is located on the right side of the first fixing seat (6), the feeding pipe (7) is fixedly connected to the upper wall of the first fixing seat (6), the driving motor (10) is fixedly connected to the upper wall of the second fixing seat (9), and the driving motor (10) is fixedly connected to the stirring shaft after penetrating through the inner wall of the second fixing seat (9).

7. A hospital waste treatment apparatus according to claim 6, characterised in that: The outer wall of the discharge pipe (16) is fixedly connected with an electric control valve (17).

8. A hospital waste treatment apparatus according to claim 7, characterised in that: The end, away from the static mixer (18), of the transparent pipe (19) is fixedly connected with a water return pipe (22), the water return pipe (22) is a bend pipe and the end, away from the transparent pipe (19), of the water return pipe (22) extends into the mixing tank (1).

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