CN210656254U

CN210656254U - Ultraviolet sterilization and disinfection device for medical sewage treatment

Info

Publication number: CN210656254U
Application number: CN201921297666.2U
Authority: CN
Inventors: 高辉
Original assignee: Anhui Guofan Environmental Engineering Technology Co Ltd
Current assignee: Anhui Guofan Environmental Engineering Technology Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-02
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses an ultraviolet sterilization and disinfection device for medical sewage treatment, a sewage buffer tank comprises a bottom groove, a water collecting groove and a water groove clapboard, a telescopic end of an electric cylinder is fixedly connected with a lifting sleeve, the lifting sleeve is sleeved in a round hole arranged at the middle position of the water groove clapboard in a sliding way along the vertical direction, the top end of the lifting sleeve penetrates through the upper surface of the water groove clapboard, top water inlet holes are arranged at the top positions of the wall body around the lifting sleeve, and an ultraviolet lamp tube is vertically arranged at the central position of the top surface of the inner cavity of the lifting sleeve; the electronic jar carries out height control to the top inlet opening according to the water level in the water gathering groove, makes in sewage can the low flow flows into the lift sleeve by the top inlet opening, and the kerve is gone into by the bottom wash port to the back all around that flows through ultraviolet tube, and sewage is fully shone when ultraviolet tube, reaches and thoroughly kills the bacterium, avoids appearing the effect of the light revival phenomenon, has improved ultraviolet tube's disinfection and sterilization effect greatly.

Description

Ultraviolet sterilization and disinfection device for medical sewage treatment

Technical Field

The utility model relates to the technical field of medical sewage treatment devices, in particular to an ultraviolet sterilization and disinfection device for medical sewage treatment.

Background

The hospital sewage refers to sewage discharged from hospitals (comprehensive hospitals, professional hospitals and other types of hospitals) to natural environments or urban pipelines. The water quality varies with the nature and scale of the hospital and the area in which it is located. Major sewage contained in hospital sewageThe contaminants include pathogen (such as parasite egg, pathogenic bacteria, and virus), organic matter, floating and suspended matter, and radioactive pollutant. The total bacteria content in the untreated raw sewage reaches 10⁸More than one/mL. The principle of hospital sewage treatment is that the sewage is divided into two parts according to quality and treated separately locally, and the pollution is eliminated at the pollution source nearby. The main treatment method is precipitation and disinfection. The common disinfection methods include a liquid chlorine method, an ozone method, a sodium hypochlorite method, a chlorine dioxide method, an ultraviolet disinfection method, and the like. Wherein, the ultraviolet disinfection method destroys and changes the DNA (deoxyribonucleic acid) structure of microorganism by the irradiation of ultraviolet ray, so that the bacteria can die immediately or can not reproduce offspring, thereby achieving the purpose of sterilization. The ultraviolet disinfection method belongs to a pure physical disinfection method, has the advantages of simplicity, convenience, broad spectrum, high efficiency, no secondary pollution, convenience for management, realization of automation and the like, and along with the release of various novel ultraviolet lamp tubes, the application range of the ultraviolet disinfection method in the field of medical sewage treatment is continuously expanded.

However, the medical sewage treatment device in the prior art has certain disadvantages in the actual use process, such as:

at present, an ultraviolet lamp in a medical sewage treatment device is often arranged above a sewage collection tank body and a sewage transition gathering place, and ultraviolet rays generated by the ultraviolet lamp directly irradiate on the water surface of sewage so as to achieve the aim of sterilization and disinfection. However, the light transmittance of medical sewage is generally poor, and microorganisms located in the deep part of the sewage are difficult to receive ultraviolet radiation with sufficient dose, so that the light revival phenomenon occurs, i.e. germs cannot be killed completely, and after the sewage is irradiated by visible light, the microorganisms which receive insufficient ultraviolet radiation dose revive, and the sterilization efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultraviolet sterilization degassing unit for medical sewage treatment can fully carry out ultraviolet irradiation to medical sewage, reaches and thoroughly kills the bacterium, avoids appearing the effect of light revival phenomenon to solve the not good problem of ultraviolet lamp sterilization disinfection effect among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: an ultraviolet sterilization and disinfection device for medical sewage treatment comprises a sewage buffer tank and an ultraviolet lamp tube, wherein a sewage inlet is arranged on the upper surface of the sewage buffer tank, the sewage buffer tank comprises a bottom tank, a water collecting tank and a water tank baffle plate, the water tank baffle plate is fixedly connected to the upper surface of the bottom tank, the water collecting tank is fixedly connected to the upper surface of the water tank baffle plate, the sewage inlet is arranged on the upper surface of the water collecting tank, a support is fixedly connected to the central position of the bottom surface of an inner cavity of the bottom tank, an electric cylinder is vertically and fixedly connected to the upper surface of the support, a lifting sleeve is fixedly connected to the telescopic end of the electric cylinder, the lifting sleeve is slidably sleeved in a round hole formed in the middle position of the water tank baffle plate along the vertical direction, the top end of the lifting sleeve penetrates through the upper surface of the water tank baffle plate, and a top end water, the bottom end of the lifting sleeve is provided with a bottom end drain hole, and the center position of the top surface of the inner cavity of the lifting sleeve is vertically provided with an ultraviolet lamp tube.

Preferably, the inner wall of the lifting sleeve is fixedly connected with a middle partition plate along the horizontal direction, the periphery of the electric cylinder is in sliding sleeve connection with the opening in the middle position of the lifting sleeve bottom plate along the vertical direction, the telescopic end of the electric cylinder is fixedly connected to the middle position of the lower surface of the middle partition plate, and a through hole is formed in the surface of the middle partition plate in a circular ring matrix mode by taking the center of the middle partition plate as the center of a circle.

Preferably, the bottom end of the ultraviolet lamp tube is fixedly connected to the middle position of the upper surface of the middle partition plate.

Preferably, the bottom drain holes are formed in the bottom end of the peripheral side wall of the lifting sleeve.

Preferably, the periphery of the electric cylinder is fixedly connected with a protective sleeve, and the top end of the protective sleeve is fixedly connected with the lower surface of the middle partition plate.

Preferably, the distance measuring module is installed on an inner cavity top plate of the water collecting tank, an output end of the distance measuring module is electrically connected with the central control module, and an output end of the central control module is electrically connected with an input end of the electric cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a sterilization and disinfection device is provided with the lifting sleeve that electronic jar control goes up and down, lifting sleeve's inner chamber center department installs ultraviolet tube, according to the water level condition in the water gathering groove, the height control of flexible realization lifting sleeve top inlet opening through electronic jar, make the vertical central point of top inlet opening put and keep near water level in the water gathering groove, sewage is by the top inlet opening slowly flow in the lifting sleeve with low velocity of flow state, and flow through ultraviolet tube around the back get into kerve buffer storage by the bottom wash port, the rivers are at the in-process through ultraviolet tube, fully illuminated, reach and thoroughly kill the bacterium, avoid appearing the effect of light reviving phenomenon, ultraviolet lamp's sterilization and disinfection effect has been improved greatly.

Drawings

FIG. 1 is a schematic sectional view of the whole structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic front view of the lifting sleeve of the present invention;

FIG. 5 is a schematic cross-sectional view of the present invention taken along line C-C of FIG. 4;

fig. 6 is a schematic frame diagram of the control system of the present invention.

In the figure: 1-a sewage buffer tank; 11-a bottom groove; 111-a scaffold; 12-water collecting tank; 13-sink baffles; 121-a sewage inlet; 2-lifting sleeve; 21-a top water inlet hole; 22-intermediate partition board; 23-bottom drain hole; 3-ultraviolet lamp tube; 4-an electric cylinder; 41-a protective sleeve; 5-a ranging module; 6-central control module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model provides a technical scheme, an ultraviolet sterilization and disinfection device for medical sewage treatment, comprising a sewage buffer tank 1 and an ultraviolet lamp tube 3, a sewage inlet 121 is arranged on the upper surface of the sewage buffer tank 1, the sewage buffer tank 1 comprises a bottom tank 11, a water collecting tank 12 and a water tank clapboard 13, the water tank clapboard 13 is fixedly connected on the upper surface of the bottom tank 11, the water collecting tank 12 is fixedly connected on the upper surface of the water tank clapboard 13, the sewage inlet 121 is arranged on the upper surface of the water collecting tank 12, a bracket 111 is fixedly connected at the central position of the bottom surface of the inner cavity of the bottom tank 11, an electric cylinder 4 is vertically and fixedly connected on the upper surface of the bracket 111, a lifting sleeve 2 is fixedly connected on the telescopic end of the electric cylinder 4, the lifting sleeve 2 is slidably sleeved in a round hole arranged at the central position of the water tank clapboard 13 along the vertical direction, the top, a top water inlet hole 21 is formed in the top end of the peripheral wall body of the lifting sleeve 2, a bottom water outlet hole 23 is formed in the bottom end of the lifting sleeve 2, and the ultraviolet lamp tube 3 is vertically installed in the center of the top surface of the inner cavity of the lifting sleeve 2; according to the water level condition in the water gathering tank 12, the height adjustment of the top inlet opening 21 of the lifting sleeve 2 is realized through the stretching of the electric cylinder 4, the vertical central position of the top inlet opening 21 is kept near the water level in the water gathering tank 12, sewage can slowly flow into the lifting sleeve 2 from the top inlet opening 21 at a low flow rate, and flow through the ultraviolet tube 3 and enter the bottom tank 11 through the bottom drain holes 23 after all around for buffer storage, water flow is in the process of passing through the ultraviolet tube 3 and is fully irradiated, the effect of thoroughly killing bacteria is achieved, and the sewage after ultraviolet sterilization is treated in the next step after entering the bottom tank 11 through the bottom drain holes 23.

The inner wall of lifting sleeve 2 is along horizontal direction fixedly connected with intermediate bottom plate 22, the periphery of electronic jar 4 is cup jointed with the trompil of 2 bottom plate intermediate positions of lifting sleeve along vertical direction slip, the flexible end fixed connection of electronic jar 4 is in intermediate bottom plate 22's lower surface central position, intermediate bottom plate 22 uses its centre as the centre of a circle on the surface and has seted up the through-hole according to ring matrix mode, electronic jar 4 makes lifting sleeve 2 realize going up and down through intermediate bottom plate 22, sewage flows into the upper portion of 2 inner chambers of lifting sleeve from top inlet opening 21, then gets into the lower part of lifting sleeve 2 through the through-hole on intermediate bottom plate 22, discharge by bottom wash port 23 again.

The bottom end of the ultraviolet lamp tube 3 is fixedly connected to the middle position of the upper surface of the middle partition plate 22, the top end and the bottom end of the ultraviolet lamp tube 3 are effectively supported, and the installation strength of the ultraviolet lamp tube 3 is improved.

The bottom drain holes 23 are formed in the bottom end of the peripheral side wall of the lifting sleeve 2, and sewage is drained into the bottom groove 1 from the bottom drain holes 23 in the bottom end of the side wall from the inner cavity of the lifting sleeve 2.

The peripheral fixedly connected with lag 41 of electronic jar 4, and the top of lag 41 and intermediate bottom 22's lower surface fixed connection, lag 41 are elastic material, can stretch out and draw back along with electronic jar 4 is flexible to the post cladding material that lives of protection electronic jar 4 does not receive the corruption destruction, in order to increase electronic jar 4's life.

A distance measuring module 5 is installed on the top plate of the inner cavity of the water collecting tank 12, the output end of the distance measuring module 5 is electrically connected with a central control module 6, the output end of the central control module 6 is electrically connected with the input end of the electric cylinder 4, the distance measuring module 5 is specifically an LM61-JCS2002 type ultrasonic distance measuring sensor which is used for measuring the change of the water level in the water collecting tank 12, and then the lifting of the electric cylinder 4 is controlled through the central control module 6, so that the water inlet hole 21 at the top end can be always adapted to the water level in the water collecting tank 12; the central control module 6 is a PowerPc central programmable processor, and the electric cylinder 4 is an FDR135 electric cylinder.

The working principle is as follows: the distance measuring module 5 is used for monitoring the water level condition in the water collecting tank 12 in real time, and controls the electric cylinder 4 to correspondingly stretch out and draw back through the central control module 6, the vertical central position of the top water inlet 21 of the lifting sleeve 2 is kept near the water level in the water collecting tank 12, sewage flows into the lifting sleeve 2 through the top water inlet 21 and flows into the upper part of the inner cavity of the lifting sleeve 2 after flowing through the periphery of the ultraviolet lamp tube 3, the sewage fully irradiated by the ultraviolet lamp tube 3 enters the lower part of the lifting sleeve 2 through the through hole in the intermediate baffle plate 22, and then enters the bottom groove 11 through the bottom drain hole 23 for buffer storage to be treated on the next step.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ultraviolet sterilization degassing unit for medical sewage treatment, includes sewage dashpot (1) and ultraviolet tube (3), the upper surface of sewage dashpot (1) is provided with sewage entry (121), its characterized in that: the sewage buffer tank (1) comprises a bottom tank (11), a water collecting tank (12) and a water tank baffle plate (13), the water tank baffle plate (13) is fixedly connected to the upper surface of the bottom tank (11), the water collecting tank (12) is fixedly connected to the upper surface of the water tank baffle plate (13), a sewage inlet (121) is arranged on the upper surface of the water collecting tank (12), a support (111) is fixedly connected to the central position of the bottom surface of an inner cavity of the bottom tank (11), an electric cylinder (4) is vertically and fixedly connected to the upper surface of the support (111), a lifting sleeve (2) is fixedly connected to the telescopic end of the electric cylinder (4), the lifting sleeve (2) is slidably sleeved in a round hole formed in the middle position of the water tank baffle plate (13) along the vertical direction, the top end of the lifting sleeve (2) penetrates through the upper surface of the water tank baffle plate (13), and top end water inlet holes (21) are formed in the top end positions of the peripheral wall, the bottom end of the lifting sleeve (2) is provided with a bottom end drain hole (23), and the center position of the top surface of the inner cavity of the lifting sleeve (2) is vertically provided with an ultraviolet lamp tube (3).

2. The ultraviolet sterilization and disinfection apparatus for medical sewage treatment according to claim 1, wherein: the inner wall of lifting sleeve (2) is along horizontal direction fixedly connected with intermediate bottom plate (22), the periphery of electronic jar (4) with lifting sleeve (2) bottom plate intermediate position's trompil is followed vertical direction slip and is cup jointed, the flexible end fixed connection of electronic jar (4) is in intermediate bottom plate (22) lower surface position placed in the middle, intermediate bottom plate (22) use its center as the centre of a circle on the surface and seted up the through-hole according to the ring matrix mode.

3. The ultraviolet sterilization and disinfection apparatus for medical sewage treatment according to claim 2, wherein: the bottom end of the ultraviolet lamp tube (3) is fixedly connected to the middle position of the upper surface of the middle partition plate (22).

4. The ultraviolet sterilization and disinfection apparatus for medical sewage treatment according to claim 3, wherein: the bottom drain holes (23) are formed in the bottom end of the peripheral side wall of the lifting sleeve (2).

5. The ultraviolet sterilization and disinfection apparatus for medical sewage treatment according to claim 4, wherein: the periphery of the electric cylinder (4) is fixedly connected with a protective sleeve (41), and the top end of the protective sleeve (41) is fixedly connected with the lower surface of the middle partition plate (22).

6. The ultraviolet sterilization and disinfection apparatus for medical sewage treatment according to claim 5, wherein: distance measuring module (5) is installed to the inner chamber roof of water-collecting tank (12), distance measuring module's (5) output electric connection has central control module (6), central control module's (6) output with the input electric connection of electronic jar (4).