Integrated medical sewage treatment equipment

Abstract

The utility model discloses integrated medical sewage treatment equipment which comprises an integrated sewage treatment box, hydrolysis acidification pools are sequentially and fixedly arranged in the integrated sewage treatment box, and the hydrolysis acidification pools are the core part of the technological process. Most organic pollutants such as CODcr, BOD5 and the like in the sewage are removed, so that the sewage can be discharged up to the standard, the acidification stage is an inevitable process for degrading macromolecular organic matters, the macromolecular organic matters are required to be utilized by microorganisms and must be hydrolyzed into small molecular organic matters firstly, so that the small molecular organic matters can enter bacterial cells to be further degraded, and the degradation efficiency is greatly improved. The acidification stage is an acceleration process of organic matter degradation, because hydrolyzed small-molecular organic matters are further converted into simple compounds and secreted out of cells, the sewage is sequentially treated through the hydrolysis acidification tank, the biological contact oxidation tank, the sedimentation tank and the disinfection tank, the work division is clear, and the complex type of medical sewage can be treated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical sewage treatment, in particular to an integrated medical sewage treatment device. Background Technique

[0002] The sewage generated by health centers is medical wastewater. The direct discharge of such sewage will cause relatively large environmental pollution and lead to unpredictable diseases. Therefore, before the sewage is discharged into the municipal sewer, it needs to be treated before being discharged.

[0003] Traditional medical sewage treatment equipment has the following defects:

[0004] (1) When using traditional medical sewage treatment equipment, due to the large variety of pollutants, the main pollutants in hospital sewage are, firstly, pathogenic microorganisms such as fecal coliforms, coliforms, infectious bacteria and viruses; secondly, PH, BOD, COD, SS, harmful physical and chemical pollutants, resulting in the inability of traditional medical sewage treatment equipment to be treated to the discharge requirements;

[0005] (2) When using traditional medical sewage treatment equipment, due to the complex composition and varying concentrations of pollutants in medical wastewater, traditional medical sewage treatment equipment cannot handle it. Content of the Utility Model

[0006] The purpose of the utility model is to provide an integrated medical sewage treatment device to solve the problems mentioned in the above background technique. When using traditional medical sewage treatment equipment, due to the large variety of pollutants, the main pollutants in hospital sewage are, firstly, pathogenic microorganisms such as fecal coliforms, coliforms, infectious bacteria and viruses; secondly, PH, BOD, COD, SS, harmful physical and chemical pollutants, resulting in the inability of traditional medical sewage treatment equipment to be treated to the discharge requirements; when using traditional medical sewage treatment equipment, due to the complex composition and varying concentrations of pollutants in medical wastewater, traditional medical sewage treatment equipment cannot handle it.

[0007] To achieve the above object, the utility model provides the following technical solutions: an integrated medical sewage treatment device, including an integrated sewage treatment tank, inside which there are sequentially fixedly arranged a hydrolysis acidification tank, a biological contact oxidation tank, a sedimentation tank and a disinfection tank. At the bottom inside the biological contact oxidation tank, there are fixedly arranged a plurality of evenly distributed aerobic bacteria bodies. At the top inside the biological contact oxidation tank, there are fixedly arranged two rotary blower connecting pipes. At one side of the bottom inside the sedimentation tank, there is fixedly arranged a sludge reflux pump, and one end of the sludge reflux pump extends through the top of the biological contact oxidation tank to the inside of the hydrolysis acidification tank. At the other side of the bottom inside the sedimentation tank, there is fixedly arranged a sludge extraction pump connecting pipe. At the top of the disinfection tank, there is fixedly arranged an equipment room, and on one side inside the equipment room, there is fixedly installed a disinfector which is used to generate chlorine dioxide disinfectant solution for sterilization and disinfection under the action of the chlorine dioxide disinfectant solution.

[0008] Preferably, on one side of the integrated sewage treatment tank, there is fixedly arranged a water inlet, and on one side of the water inlet, there is fixedly arranged an adjustment tank lift pump connecting pipe which is used to connect a lift pump.

[0009] Preferably, one end of the water inlet extends through the hydrolysis acidification tank to the inside of the hydrolysis acidification tank, and the water inlet is used to connect an external adjustment tank.

[0010] Preferably, on the other side of the integrated sewage treatment tank, there is fixedly arranged a drain outlet, and one end of the drain outlet extends through the disinfection tank to the inside of the disinfection tank. The drain outlet is used for the treated sewage to flow into a clear water tank for external discharge.

[0011] Preferably, on the top of the integrated sewage treatment tank, there are sequentially fixedly connected an acidification tank top opening, an oxidation tank top opening, a sedimentation tank top opening and a disinfection tank top opening. The acidification tank top opening, the oxidation tank top opening, the sedimentation tank top opening and the disinfection tank top opening are used for installing external equipment.

[0012] Preferably, on the top of each of the acidification tank top opening, the oxidation tank top opening, the sedimentation tank top opening and the disinfection tank top opening, there is hinged a top sealing door which is used to close the top opening.

[0013] Preferably, the hydrolysis acidification tank, the biological contact oxidation tank, the sedimentation tank and the disinfection tank are arranged in one-to-one correspondence with the acidification tank top opening, the oxidation tank top opening, the sedimentation tank top opening and the disinfection tank top opening. The sedimentation tank is used for sewage sedimentation.

[0014] Preferably, on the other side inside the equipment room, there is fixedly arranged a control cabinet. The sludge reflux pump, the disinfector, etc. are electrically connected to an external power supply through the control cabinet. The sludge reflux pump is used to reflux the sludge to the front-end hydrolysis acidification tank.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The hydrolysis acidification tank is the core part of this process flow. Most of the organic pollutants such as CODcr and BOD5 in the sewage are removed here, thus ensuring that the sewage can meet the discharge standards. The acidification stage is an essential process for the degradation of macromolecular organic matter. For macromolecular organic matter to be utilized by microorganisms, it must first be hydrolyzed into small-molecular organic matter so that it can enter the bacterial cells for further degradation. The acidification stage is a process to speed up the degradation of organic matter because it further converts the small-molecular organic matter after hydrolysis into simple compounds and secretes them outside the cells. The sewage is treated successively through the hydrolysis acidification tank, biological contact oxidation tank, sedimentation tank, and disinfection tank. Each part has a clear division of labor and can treat complex types of pharmaceutical sewage. The technical reliability of this equipment is high, and the effluent stably reaches the designed discharge standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structure diagram of the present utility model;

[0017] Figure 2 is a front view structure diagram of the present utility model;

[0018] Figure 3 is a top view structure diagram of the present utility model;

[0019] Figure 4 is a front view sectional structure diagram of the present utility model.

[0020] In the figure: 1, integrated sewage treatment tank; 2, water inlet; 3, drain outlet; 4, top opening of acidification tank; 5, top opening of oxidation tank; 6, top opening of sedimentation tank; 7, top opening of disinfection tank; 8, top sealing door; 9, hydrolysis acidification tank; 10, biological contact oxidation tank; 11, sedimentation tank; 12, disinfection tank; 13, aerobic bacteria; 14, rotary blower connecting pipe; 15, sludge reflux pump; 16, sludge extraction pump connecting pipe; 17, equipment room; 18, disinfector; 19, control cabinet; 20, regulating tank lift pump connecting pipe. SPECIFIC EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4, the utility model provides an integrated medical sewage treatment device, which includes an integrated sewage treatment tank 1. Inside the integrated sewage treatment tank 1, an hydrolysis acidification tank 9, a biological contact oxidation tank 10, a sedimentation tank 11 and a disinfection tank 12 are fixedly arranged in sequence. At the bottom inside the biological contact oxidation tank 10, a plurality of evenly distributed aerobic bacteria bodies 13 are fixedly arranged. At the top inside the biological contact oxidation tank 10, two rotary blower connecting pipes 14 are fixedly arranged. On one side of the bottom inside the sedimentation tank 11, a sludge reflux pump 15 is fixedly arranged. One end of the sludge reflux pump 15 passes through the top of the biological contact oxidation tank 10 and extends to the inside of the hydrolysis acidification tank 9. On the other side of the bottom inside the sedimentation tank 11, a sludge extraction pump connecting pipe 16 is fixedly arranged. On the top of the disinfection tank 12, an equipment room 17 is fixedly arranged. Inside the equipment room 17, a disinfector 18 is fixedly installed on one side.

[0023] When in use, a plurality of aerobic bacteria bodies 13 are arranged at the bottom inside the biological contact oxidation tank 10, and the pollutants are further degraded through the metabolism of the aerobic bacteria bodies 13.

[0024] On one side of the integrated sewage treatment tank 1, a water inlet 2 is fixedly arranged. On one side of the water inlet 2, an adjustment tank lift pump connecting pipe 20 is fixedly arranged. One end of the water inlet 2 passes through the hydrolysis acidification tank 9 and extends to the inside of the hydrolysis acidification tank 9. On the other side of the integrated sewage treatment tank 1, a drain outlet 3 is fixedly arranged. One end of the drain outlet 3 passes through the disinfection tank 12 and extends to the inside of the disinfection tank 12.

[0025] When in use, an adjustment tank lift pump connecting pipe 20 is arranged on one side of the water inlet 2, and the output end of the lift pump is connected through the adjustment tank lift pump connecting pipe 20.

[0026] On the top of the integrated sewage treatment tank 1, an acidification tank top opening 4, an oxidation tank top opening 5, a sedimentation tank top opening 6 and a disinfection tank top opening 7 are fixedly connected in sequence. Top sealing doors 8 are hinged on the tops of the acidification tank top opening 4, the oxidation tank top opening 5, the sedimentation tank top opening 6 and the disinfection tank top opening 7.

[0027] When in use, top sealing doors 8 are hinged on the tops of the acidification tank top opening 4, the oxidation tank top opening 5, the sedimentation tank top opening 6 and the disinfection tank top opening 7, and the acidification tank top opening 4, the oxidation tank top opening 5, the sedimentation tank top opening 6 and the disinfection tank top opening 7 are isolated from the outside through the top sealing doors 8.

[0028] The hydrolysis acidification tank 9, the biological contact oxidation tank 10, the sedimentation tank 11 and the disinfection tank 12 are arranged in one-to-one correspondence with the acidification tank top opening 4, the oxidation tank top opening 5, the sedimentation tank top opening 6 and the disinfection tank top opening 7. On the other side inside the equipment room 17, a control cabinet 19 is fixedly arranged. The sludge reflux pump 15, the disinfector 18, etc. are electrically connected to an external power supply through the control cabinet 19.

[0029] In use, a control cabinet 19 is arranged on the other side inside the equipment room 17, and equipment such as the sludge return pump 15 and the disinfector 18 are controlled through the control cabinet 19.

[0030] Specifically in use, for an integrated medical sewage treatment equipment of the present utility model, when using this integrated medical sewage treatment equipment, hospital sewage first enters the grid well and passes through the fine grid tank to remove large suspended impurities, and then flows into the regulation tank by self-flow after two-stage slag separation. The sewage in the regulation tank is continuously and stably pumped into the hydrolysis acidification tank 9 through the connection pipe 20 of the regulation tank lift pump. The hydrolysis acidification tank 9 is the core part of this technological process, and most of the organic pollutants such as CODcr and BOD5 in the sewage are removed here, so as to ensure that the sewage can meet the discharge standards. The water outlet of the hydrolysis acidification tank 9 flows into the biological contact oxidation tank 10 by self-flow, and the pollutants are further degraded through the metabolism of aerobic bacteria 13. The water outlet of the biological contact oxidation tank 10 is separated from mud and water through the inclined tube sedimentation tank 11. The supernatant enters the contact disinfection tank 12 for sterilization and disinfection under the action of chlorine dioxide disinfectant solution and then flows into the clear water tank for external discharge. At the same time, the sludge in the sedimentation tank 11 is returned to the front-end hydrolysis acidification tank 9, and the surplus sludge is pumped to the sludge thickening tank for thickening through the sludge extraction pump connection pipe 16 and is periodically pressure-filtered, and the mud cake is transported out for treatment. After the sewage is treated through the above process, the water outlet quality reaches the pretreatment standard of the "Discharge Standard of Water Pollutants for Medical Institutions" (GB18466 - 2005). The treated and up-to-standard sewage is discharged into the municipal sewer, and finally flows to the urban sewage treatment plant through the municipal sewage pipe network for further centralized treatment. This is the usage process of this integrated medical sewage treatment equipment.

[0031] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An integrated medical wastewater treatment device, comprising an integrated wastewater treatment tank (1), characterized in that: The integrated sewage treatment tank (1) is fixedly provided with a hydrolysis acidification tank (9), a biological contact oxidation tank (10), a sedimentation tank (11) and a disinfection tank (12) in sequence. A plurality of evenly distributed aerobic bacteria (13) are fixedly provided at the bottom of the biological contact oxidation tank (10). Two rotary fan connecting pipes (14) are fixedly provided at the top of the biological contact oxidation tank (10). A sludge return pump (15) is fixedly provided at one side of the bottom of the sedimentation tank (11). One end of the sludge return pump (15) passes through the top of the biological contact oxidation tank (10) and extends to the inside of the hydrolysis acidification tank (9). A sludge extraction pump connecting pipe (16) is fixedly provided at the other side of the bottom of the sedimentation tank (11). An equipment room (17) is fixedly provided at the top of the disinfection tank (12). A disinfector (18) is fixedly installed at one side of the equipment room (17).

2. The integrated medical wastewater treatment equipment according to claim 1, characterized in that: A water inlet (2) is fixedly provided on one side of the integrated sewage treatment tank (1), and a regulating tank lifting pump connecting pipe (20) is fixedly provided on one side of the water inlet (2).

3. The integrated medical wastewater treatment equipment according to claim 2, characterized in that: One end of the water inlet (2) passes through the hydrolysis acidification tank (9) and extends to the interior of the hydrolysis acidification tank (9).

4. The integrated medical wastewater treatment equipment according to claim 1, characterized in that: A drain outlet (3) is fixedly provided on the other side of the integrated sewage treatment tank (1), and one end of the drain outlet (3) passes through the disinfection tank (12) and extends to the interior of the disinfection tank (12).

5. The integrated medical wastewater treatment equipment according to claim 1, characterized in that: The top of the integrated sewage treatment tank (1) is fixedly connected in sequence with an acidification tank top opening (4), an oxidation tank top opening (5), a sedimentation tank top opening (6) and a disinfection tank top opening (7).

6. The integrated medical wastewater treatment equipment according to claim 5, characterized in that: The tops of the acidification tank top opening (4), the oxidation tank top opening (5), the sedimentation tank top opening (6) and the disinfection tank top opening (7) are all hingedly provided with top sealing doors (8).

7. The integrated medical wastewater treatment equipment according to claim 1, characterized in that: The hydrolysis acidification tank (9), biological contact oxidation tank (10), sedimentation tank (11) and disinfection tank (12) are arranged in one-to-one correspondence with the top opening of the acidification tank (4), the top opening of the oxidation tank (5), the top opening of the sedimentation tank (6) and the top opening of the disinfection tank (7).

8. The integrated medical wastewater treatment equipment according to claim 1, characterized in that: A control cabinet (19) is fixedly installed on the other side of the equipment room (17), and the sludge return pump (15) and the disinfector (18) are electrically connected to an external power supply through the control cabinet (19).

Images