CN216457430U

CN216457430U - Automatic preprocessing device of hospital sewage

Info

Publication number: CN216457430U
Application number: CN202123228323.0U
Authority: CN
Inventors: 毛勇; 卢丹; 卢洪
Original assignee: Sichuan Yongqin Environmental Engineering Co ltd
Current assignee: Sichuan Yongqin Environmental Engineering Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-10
Anticipated expiration: 2031-12-21

Abstract

The utility model belongs to the technical field of hospital's sewage treatment, a hospital's automatic preprocessing device of sewage is disclosed, mainly used solves the problem that sewage still remains in the dregs after current automatic preprocessing device has handled. The device integrates the grating tank, the grating machine and the squeezer, the grating machine intercepts and conveys solid impurities such as larger suspended matters and floating matters in sewage into the squeezer to extrude water, and then the water is dried by the drying box, so that the automation degree of the treatment process is high, manual participation is not needed, and the accidental infection rate of workers can be reduced; the drying box can remove residual sewage in the material slag by using high temperature, and the material slag is subjected to weight reduction treatment, so that the transportation strength of workers is reduced, and secondary propagation of bacteria and viruses caused by leakage of residual sewage in the transportation process is avoided; and the high temperature can also kill germs in the material slag, and prevent workers from being accidentally infected in the transportation process.

Description

Automatic preprocessing device of hospital sewage

Technical Field

The utility model belongs to the technical field of hospital's sewage treatment, more specifically say, involve an automatic preprocessing device of hospital's sewage.

Background

In recent years, the treatment of hospital waste water is a problem in many medical institutions, and since hospital waste water contains not only a large amount of pathogens such as bacteria, viruses, eggs, etc., but also chemical agents and radioisotopes, which have several characteristics of space pollution, acute infection and latent infection, it is required to prevent secondary spread. In a general sewage treatment system, sewage pretreatment is usually performed first, that is, preliminary pretreatment such as solid-liquid separation and screening is performed before the sewage enters the conventional processes such as precipitation and biological decomposition, so that the working difficulty of treatment equipment is prevented from being increased by excessive solids, and the abrasion of the equipment is accelerated.

And general hospital sewage pretreatment devices can carry out the squeezing drainage once more to dregs after screening sewage, then pack dregs again, and the rubbish room is stored by staff's transportation, but such mode has following shortcoming: 1. the sewage still remains after the dregs are squeezed and filtered, the dregs are heavier during transportation, and the transportation strength of workers is higher; 2. residual sewage is easy to leak during transportation, so that the risk of secondary propagation of bacteria and viruses is caused; 3. the dross is not properly sterilized after the pretreatment is complete, increasing the chance that the worker will be spread.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automatic preprocessing device of hospital's sewage, it can thoroughly eliminate the remaining sewage in the dregs, alleviates staff's the transportation degree of difficulty, can also exterminate the germ in the dregs simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic pretreatment device for hospital sewage comprises a squeezer, a grating machine and a grating tank matched with the grating machine, wherein an input port of the grating machine is positioned at the bottom of the grating tank, and an output port of the grating machine is positioned above a squeezer body; the discharge port of the squeezer is provided with a drying box.

Furthermore, the drying box is funnel-shaped, and an electric heating plate is attached to the inner wall of the box body.

Further, the discharge gate of stoving case is equipped with packing apparatus. The material sediment of handling through packing apparatus can be transported to the rubbish apotheca by the manual work, also can set up transport mechanism behind packing apparatus, and the material sediment that has packed falls into transport mechanism and transports it to the rubbish apotheca.

Furthermore, a grid slag conveying mechanism is arranged between the grid machine and the squeezer, and a plurality of water filtering holes are formed in a conveying belt of the grid slag conveying mechanism.

Furthermore, a disinfection device is arranged above the conveying surface of the grid slag conveying mechanism and is close to the input end of the grid slag conveying belt. The sterilizing device is a medicament spraying device adopting a metering pump to be matched with a shower head, and the spraying width of the sterilizing device is consistent with the width of the grid slag conveying belt.

Furthermore, a conveying face cover of the grid slag conveying mechanism is provided with a sealing cover, and the sterilizing device is installed in the sealing cover.

Furthermore, the grid slag conveying mechanism adopts a chain plate type conveying belt.

Furthermore, the squeezer is provided with a water filtering opening, and a pipeline is connected outside the water filtering opening to the interior of the grid pond.

Furthermore, the bottom surface of the squeezer machine body is obliquely arranged, and the water filtering opening is positioned at the lower part of the bottom surface.

Further, the presser is a horizontal filter press.

Compared with the prior art, the utility model discloses following beneficial effect has:

the device integrates a grating tank, a grating machine and a squeezer, the grating machine intercepts and conveys solid impurities such as large suspended matters and floating matters in sewage into the squeezer to extrude water, and then the water is dried by a drying box, so that the automation degree of the treatment process is high, manual participation is not needed, and the accidental infection rate of workers can be reduced; the drying box can remove residual sewage in the material slag by using high temperature, and the material slag is subjected to weight reduction treatment, so that the transportation strength of workers is reduced, and secondary propagation of bacteria and viruses caused by leakage of residual sewage in the transportation process is avoided; and the high temperature can also kill germs in the material slag, and prevent workers from being accidentally infected in the transportation process.

Two, the stoving case is hourglass hopper-shaped, and its box inner wall facing is equipped with the electric plate, squeezes the material sediment of dewatering through the squeezer and follows the box wall gliding, and the produced incasement high temperature of electric plate can evaporate rapidly the remaining sewage in the material sediment, and the all-round effect is in the material sediment, and work efficiency is high, and can play disinfection's effect.

Thirdly, discharge gate at the stoving case is equipped with packing apparatus, and packing apparatus can be with the automatic bagging-off of packing of the material sediment of stoving case stoving, then transport to the garbage storage room through artifical or transport area, and this process automation degree is high, need not staff direct contact to the material sediment to prevent probably to have the germ of not killing to carry out unexpected propagation, factor of safety is higher.

Fourth, still be equipped with bars sediment conveying mechanism between grid machine and the squeezer, be equipped with a plurality of drainage holes on bars sediment conveying mechanism's the conveyer belt, contain a large amount of sewage in the bars sediment after tentatively intercepting through the grid, set up the bars sediment conveying mechanism who has drainage holes between grid machine and squeezer and can strain and remove partly sewage, reduce the working strength of squeezer, also can avoid bars sediment to lead to appearing splashing when squeezing because of the water content is too much simultaneously, increase the risk of germ secondary propagation.

Fifthly, a disinfecting device is arranged above the conveying surface of the grid slag conveying mechanism, the disinfecting device is used for chemically disinfecting the grid slag by spraying disinfectant, most of germs contained in the grid slag intercepted by the grid machine can be killed, secondary propagation of the germs is prevented, meanwhile, the disinfecting device and the drying box are disinfected at the second stage, the germ killing rate is higher, the disinfecting device is close to the input end of the grid slag conveying belt, the disinfectant is sprayed at the front end of the grid slag conveying belt, and the grid slag and the disinfectant have enough reaction time, so that the best disinfecting effect is achieved.

Sixthly, the conveying face mask of the grid slag conveying mechanism is provided with a sealing cover, the closed conveying mechanism can prevent secondary propagation of germs to a certain extent, and meanwhile, the disinfection device is installed in the sealing cover, so that the disinfection liquid completely acts on the grid slag, the disinfection effect can be enhanced to a certain extent, and the killing rate of the germs is improved.

Seventhly, bars sediment conveying mechanism adopts the chain slat type conveyer belt, because the bars sediment that just intercepts from the grid machine still contains a large amount of sewage, has certain weight, and the bearing capacity of chain slat type conveyer belt is better, can make the transmission more stable, and the chain slat type conveyer belt washs conveniently simultaneously, is difficult for remaining the bars sediment on the transport face, can reduce the germ of conveyer belt and remain.

Eighthly, the squeezer is equipped with the drainage mouth, and drainage mouth external connection pipeline is in to the grid pond, after the squeezer squeezes the dewatering, the sewage that extrudes flows back through the drainage mouth and is advanced the grid pond, handles in the grid pond flow direction hospital sewage treatment system again, can avoid the grid sediment sewage direct discharge after the degassing unit disinfection and probably lead to the germ secondary propagation that remains among them, improves and handles the stringency, reduces unexpected propagation risk.

Ninth, squeezer organism bottom surface slope sets up, and the drainage mouth is located the lower department of bottom surface, and the slope bottom surface can make the sewage that squeezes out flow to low department in unison, and the drainage mouth of low department of deuterogamying can be with sewage whole discharge, avoids remaining the too much dewatering efficiency that influences the squeezer of sewage, also can reduce the content of germ in the squeezer simultaneously, reduces the unexpected spreading rate of germ.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the sewage treatment process of the present invention.

The method comprises the following steps of 1-a squeezer, 2-a drying box, 3-an electric heating plate, 4-a packing device, 5-a grid machine, 6-a grid pool, 7-a grid slag conveying mechanism and 8-a water filtering opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 shows an automatic pretreatment device for hospital sewage, which comprises a squeezer 1, a grating machine 5, and a grating pool 6 matched with the grating machine 5, wherein an input port of the grating machine 5 is positioned at the bottom of the grating pool 6, and an output port of the grating machine 5 is positioned above a body of the squeezer 1; the discharge opening of the press 1 is equipped with a drying box 2.

The device integrates the grating tank 6, the grating machine 5, the squeezer 1 and the drying box 2, the grating machine 5 intercepts and conveys solid impurities such as larger suspended matters and floating matters in sewage into the squeezer 1 to extrude water, and then the drying box 2 carries out drying treatment, so that the automation degree of the treatment process is high, manual participation is not needed, and the accidental infection rate of workers can be reduced; the drying box 2 can remove residual sewage in the material slag by using high temperature, and can reduce the weight of the material slag, reduce the transportation strength of workers and avoid secondary propagation of bacteria and viruses caused by leakage of residual sewage in the transportation process; and the high temperature can also kill germs in the material slag, and prevent workers from being accidentally infected in the transportation process.

Stoving case 2 is hourglass hopper-shaped, and its box inner wall facing is equipped with electric plate 3, and the material sediment that squeezes the dewatering through squeezer 1 slides down along the box wall, and the produced incasement high temperature of electric plate 3 can evaporate the remaining sewage in the material sediment rapidly, and the all-round effect is in the material sediment, and work efficiency is high, and can play disinfection's effect.

Be equipped with packing apparatus 4 at the discharge gate of stoving case 2, packing apparatus 4 can be with the automatic bagging-off of packing of the material sediment of stoving case 2 stoving, then transport to the garbage storage room through artifical or transport area, and this process automation degree is high, need not come into contact with the material sediment with staff's direct to prevent that there may not be the germ of killing to carry out unexpected propagation, and factor of safety is higher.

Still be equipped with bars sediment conveying mechanism 7 between grid 5 and squeezer 1, be equipped with a plurality of drainage holes on bars sediment conveying mechanism 7's the conveyer belt, contain a large amount of sewage in the bars sediment after tentatively intercepting through the grid, set up bars sediment conveying mechanism 7 that has the drainage hole and can strain out some sewage between grid 5 and squeezer 4, reduce squeezer 1's working strength, also can avoid simultaneously bars sediment because of the water content too much leads to appearing splashing when squeezing, increase the risk of germ secondary propagation.

Be equipped with degassing unit (not shown in the figure) above the transport face of bars sediment conveying mechanism 7, degassing unit carries out chemical disinfection to bars sediment through spraying the antiseptic solution, can kill the germ that contains in the bars sediment that most intercepted through grid machine 5, prevent its secondary propagation, the secondary disinfection of degassing unit and stoving case 2 simultaneously, the germ kill rate is higher, and degassing unit is close to the input of bars sediment conveyer belt, spray the antiseptic solution at the front end of bars sediment conveyer belt, can give the sufficient reaction time of bars sediment and antiseptic solution, make it reach best disinfection effect.

The conveying mask of the grid slag conveying mechanism 7 is provided with a sealing cover (not shown in the figure), the closed conveying mechanism can prevent secondary propagation of germs to a certain extent, and meanwhile, the disinfection device is installed in the sealing cover, so that disinfection liquid completely acts on the grid slag, the disinfection effect can be enhanced to a certain extent, and the killing rate of the germs is improved.

Grid sediment conveying mechanism 7 adopts chain slat type conveyer belt, because the grid sediment that just intercepts from grid machine 5 still contains a large amount of sewage, has certain weight, and chain slat type conveyer belt's bearing capacity is better, can make the transmission more stable, and chain slat type conveyer belt washs conveniently simultaneously, is difficult for remaining the grid sediment on the transport face, can reduce the germ of conveyer belt and remain.

Squeezer 1 is equipped with drainage mouth 8, in 8 external connecting pipes in the drainage mouth to grid pond 6, after squeezer 1 squeezes the dewatering, the sewage that extrudes flows back into grid pond 6 through drainage mouth 8, handles in 6 flow direction hospital sewage treatment systems of grid pond again, can avoid having directly discharged through the bars sediment sewage after the degassing unit disinfection and probably lead to the germ secondary propagation that remains among them, improves and handles the stringency, reduces unexpected risk of propagating.

The bottom surface of the body of the squeezer 1 is inclined, the water filtering port 8 is located at a lower position of the bottom surface, the inclined bottom surface can enable sewage squeezed out to uniformly flow to a lower position, the water filtering port at the lower position is matched again to discharge the sewage completely, the dewatering efficiency of the squeezer 1 caused by excessive influence of the residual sewage is avoided, the content of pathogenic bacteria in the squeezer 1 can be reduced, and the accidental propagation rate of the pathogenic bacteria is reduced.

The presser 1 is a horizontal filter press.

The device has the following specific flow for pretreating the hospital sewage:

as shown in fig. 2, firstly, hospital sewage flows into a grid pool 6 through a water inlet of the grid pool 6, suspended matters, floating matters and the like in the sewage are intercepted by a grid machine 5 and conveyed into a grid slag conveying mechanism 7, disinfection and sterilization are performed by spraying disinfection liquid through a disinfection device, part of the sewage is removed from grid slag through water filtering holes on a conveying belt in the conveying process, the sewage is conveyed into a squeezer 1, the squeezer 1 separates the grid slag from the sewage through strong extrusion, the squeezed sewage flows back into the grid pool 6 through a water filtering hole, the grid slag separated from most of the sewage falls into a drying box 2 through a discharge hole of the squeezer 1, an electric heating plate 3 in the drying box 2 emits high temperature, the sewage remained in the material slag is evaporated in the process of sliding the material slag downwards, and the material slag is sterilized at high temperature; and then the material slag enters a packing device 4, and is transported to a garbage room by workers or a conveyor belt for storage after being packaged by a packaging bag.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. The automatic pretreatment device for hospital sewage is characterized by comprising a squeezer (1), a grating machine (5) and a grating pool (6) matched with the grating machine (5), wherein an input port of the grating machine (5) is positioned at the bottom of the grating pool (6), and an output port of the grating machine (5) is positioned above a machine body of the squeezer (1); the discharge hole of the squeezer (1) is provided with a drying box (2).

2. The automated hospital sewage pretreatment device according to claim 1, wherein the drying box (2) is funnel-shaped, and an electric heating plate (3) is attached to the inner wall of the box body.

3. The automated hospital sewage pretreatment device according to any of claims 1 or 2, characterized in that the discharge opening of the drying box (2) is provided with a packing device (4).

4. The automatic pretreatment device of hospital sewage according to claim 1, characterized in that a grid slag conveying mechanism (7) is further provided between the grid machine (5) and the presser (1), and a plurality of water filtering holes are provided on a conveying belt of the grid slag conveying mechanism (7).

5. The automatic pretreatment device for hospital sewage according to claim 4, characterized in that a disinfection device is arranged above the conveying surface of the grid slag conveying mechanism (7), and the disinfection device is close to the input end of the grid slag conveying belt.

6. The automated pretreatment device for hospital sewage according to claim 5, characterized in that the delivery mask of the grizzly slag delivery mechanism (7) is provided with a sealing cover, and the disinfection device is installed in the sealing cover.

7. The automated pretreatment device for hospital wastewater according to any of claims 4, 5 or 6, wherein the grid slag conveying mechanism (7) is a chain plate type conveying belt.

8. The automated hospital sewage pretreatment device according to claim 1, characterized in that said press (1) is provided with a drainage port (8), the external connection of the drainage port (8) being a pipe into the grid basin (6).

9. The automated hospital sewage pretreatment apparatus according to claim 8, characterized in that the bottom surface of the body of the squeezer (1) is obliquely arranged, and the water filtering port (8) is located at a lower position of the bottom surface.

10. The automated hospital sewage pretreatment device according to any of claims 1, 8 or 9, characterized in that the press (1) is a horizontal press filter.