CN213865447U

CN213865447U - High-efficient sterilization jar of biological safety laboratory waste water

Info

Publication number: CN213865447U
Application number: CN202022063719.3U
Authority: CN
Inventors: 吴海铭; 杨竞凯; 陈咏; 代青; 杨章志
Original assignee: Institute of Medical Biology of CAMS and PUMC
Current assignee: Institute of Medical Biology of CAMS and PUMC
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-08-03
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a high-efficiency sterilization tank for waste water in a biological safety laboratory, which comprises a tank body consisting of an inner container, a shell and an interlayer arranged between the inner container and the shell; the tank body is connected with a first steam inlet pipe; the inner cavity of the inner container is provided with a dispersing and stirring device consisting of an accommodating chamber, a hollow rotating shaft, an upper bearing seat, a lower bearing seat, a connecting pipe and a hollow dispersing mechanism; the hollow rotating shaft is provided with a steam inlet, the bottom end of the hollow rotating shaft is connected with a connecting pipe, and the extending tail end of the connecting pipe is connected with a hollow dispersing mechanism; the hollow dispersion mechanism is provided with a plurality of injection holes; the accommodating chamber is connected with a second steam inlet pipe, a steam outlet of the second steam inlet pipe faces the blades, and the steam in the second steam inlet pipe can drive the blades to rotate relative to the accommodating chamber and drive the hollow dispersing mechanism to rotate. When the sterilization tank is heated, the time consumption is short when the sterilization tank is cooled, so that the aim of quick and efficient sterilization is fulfilled.

Description

High-efficient sterilization jar of biological safety laboratory waste water

Technical Field

The utility model relates to a biological treatment equipment manufacturing and designing technical field, in particular to a high-efficient sterilization jar of biological safety laboratory waste water.

Background

The method is the most critical step in the production of virus vaccines by performing bacterial inactivation and disinfection treatment on toxic wastewater containing bacteria, and the condition of the treatment result directly affects the environment and personnel. The existing biological wastewater treatment mainly comprises the steps of collecting and sending the wastewater into a sterilization tank through a pipeline, killing viruses and bacteria in the wastewater by heating the wastewater in the sterilization tank, discharging the wastewater after the wastewater is cooled when one tank of the wastewater is treated, and then feeding the liquid, heating and sterilizing again.

When the temperature of the traditional sterilization tank is raised, the interlayer is adopted to indirectly heat the wastewater in the sterilization tank by utilizing steam, and when the sterilization tank is heated, the problem of long time consumption exists, so that the sterilization efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a biological safety laboratory waste water high efficiency sterilization jar, when heating the sterilization jar, it is short consuming time to realize the purpose quick, high-efficient sterilization.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a high-efficiency sterilization tank for waste water in a biological safety laboratory comprises a tank body consisting of an inner container, an outer shell and an interlayer arranged between the inner container and the outer shell; the tank body is connected with a waste water liquid inlet pipe, a waste water liquid outlet pipe, a first steam inlet pipe, a pressure release valve and a condensed water outlet pipe; a dispersing and stirring device is arranged in the inner cavity of the inner container; the dispersing and stirring device comprises an accommodating chamber, a hollow rotating shaft, an upper bearing seat, a lower bearing seat, a connecting pipe and a hollow dispersing mechanism; the accommodating chamber is arranged in the inner cavity of the inner container in a hanging manner through a connecting rod, and a hollow rotating shaft is arranged in the inner cavity of the accommodating chamber; the top end of the hollow rotating shaft is movably connected to the upper bearing seat, the top end of the upper bearing seat is fixed to the top wall of the accommodating chamber, the lower portion of the hollow rotating shaft is movably connected to the lower bearing seat, and the lower bearing seat is installed on the bottom wall of the accommodating chamber; a plurality of blades are arranged on the outer side wall of the hollow rotating shaft along the axis direction of the hollow rotating shaft; the hollow rotating shaft is provided with a steam inlet; the bottom end of the hollow rotating shaft is connected with a connecting pipe, the bottom end of the connecting pipe extends into an inner cavity of the inner container outside the accommodating chamber, and the extending tail end of the connecting pipe is connected with a hollow dispersing mechanism; the hollow dispersion mechanism is provided with a plurality of injection holes; the accommodating chamber is connected with a second steam inlet pipe, the steam inlet ends of the second steam inlet pipe and the first steam inlet pipe are connected with a high-pressure gas source, the steam outlet of the second steam inlet pipe faces the blades, and the steam in the second steam inlet pipe can drive the blades to rotate relative to the accommodating chamber and drive the hollow dispersing mechanism to rotate.

Furthermore, the first steam inlet pipe, the second steam inlet pipe and the inner container are connected with compressed air pipelines; the compressed air pipeline is connected with a compressed air source.

Furthermore, a cooling water inlet pipe is connected to the first steam inlet pipe; the cooling water inlet pipe is connected with a cooling water source.

Furthermore, steam inlets are formed in the hollow rotating shafts between the adjacent blades.

Further, the hollow dispersion mechanism is in a shape of a circular disc, a circular tube with two sealed ends, a square tube with two sealed ends or a spiral blade.

The utility model has the advantages that:

(1) when the utility model heats up the waste water to be sterilized in the inner container, on one hand, part of steam enters the interlayer from the first steam inlet pipe to heat the inner container, thereby achieving the purpose of indirectly heating the waste water to be sterilized; on the other hand, the steam enters the inner container through the second steam inlet pipe and the dispersing and stirring device to directly heat the sterilized wastewater; particularly, the inner cavity of the inner container is provided with the dispersing and stirring device, high-pressure steam from the second steam inlet pipe enters the accommodating chamber, and the high-pressure steam impacts the blades to enable the blades to rotate relative to the accommodating chamber and drive the hollow dispersing mechanism to rotate; meanwhile, high-pressure steam enters the hollow rotating shaft through a steam inlet arranged on the hollow rotating shaft, enters the hollow dispersing mechanism through a connecting pipe, and is finally sprayed out from a spraying hole arranged on the lower end surface of the hollow dispersing mechanism; the steam entering the inner container through the dispersing and stirring device heats the sterilized wastewater after being dispersed, and meanwhile, the sterilized wastewater is in a rotating state due to the hollow dispersing mechanism when being heated, so that the effect of stirring the sterilized wastewater can be played, and the heating of the sterilized wastewater is promoted.

(2) The utility model discloses an indirect heating and direct heating's mode heats the waste water that disinfects, and when traditional indirect heating mode, to the waste water heating that disinfects 120 ℃ need more than 1h, and adopt the utility model provides a heating method only needs the time about 25min, therefore has greatly shortened the heating and heating time to realize the purpose of quick, high-efficient sterilization.

Drawings

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

In the figure, 1-an inner container, 2-a shell, 3-an interlayer, 4-a wastewater inlet pipe, 5-a wastewater outlet pipe, 6-a first steam inlet pipe, 7-a pressure release valve, 8-a condensate water outlet pipe, 9-a containing cavity, 10-a hollow rotating shaft, 11-an upper bearing seat, 12-a lower bearing seat, 13-a connecting pipe, 14-a hollow dispersion mechanism, 15-a connecting rod, 16-a blade, 17-a steam inlet, 18-a second steam inlet pipe, 19-a compressed air pipeline and 20-a cooling water inlet pipe.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in figure 1, the high-efficiency sterilization tank for the waste water of the biological safety laboratory comprises a tank body consisting of an inner container 1, a shell 2 and an interlayer 3 arranged between the inner container 1 and the shell 2; the tank body is connected with a waste water inlet pipe 4, a waste water outlet pipe 5, a first steam inlet pipe 6, a pressure release valve 7 and a condensed water outlet pipe 8;

a dispersing and stirring device is arranged in the inner cavity of the inner container 1; the dispersing and stirring device comprises an accommodating chamber 9, a hollow rotating shaft 10, an upper bearing seat 11, a lower bearing seat 12, a connecting pipe 13 and a hollow dispersing mechanism 14; the accommodating chamber 9 is arranged in the inner cavity of the inner container 1 in a hanging manner through a connecting rod 15, and a hollow rotating shaft 10 is arranged in the inner cavity of the accommodating chamber 9; the top end of the hollow rotating shaft 10 is movably connected to an upper bearing seat 11, the top end of the upper bearing seat 11 is fixed to the top wall of the accommodating chamber 9, the lower part of the hollow rotating shaft 10 is movably connected to a lower bearing seat 12, and the lower bearing seat 12 is installed on the bottom wall of the accommodating chamber 9; a plurality of blades 16 are arranged on the outer side wall of the hollow rotating shaft 10 along the axial direction of the hollow rotating shaft 10; the hollow rotating shaft 10 is provided with a steam inlet 17; the bottom end of the hollow rotating shaft 10 is connected with a connecting pipe 13, the bottom end of the connecting pipe 13 extends into the inner cavity of the inner container 1 outside the accommodating chamber 9, and the extending tail end of the connecting pipe 13 is connected with a hollow dispersing mechanism 14; a plurality of jet holes are formed on the lower end surface of the hollow dispersing mechanism 14; the accommodating chamber 9 is connected with a second steam inlet pipe 18, the steam inlet ends of the second steam inlet pipe 18 and the first steam inlet pipe 6 are both connected with a high-pressure gas source, the steam outlet of the second steam inlet pipe 18 faces the blade 16, and the steam in the second steam inlet pipe 18 can drive the blade 16 to rotate relative to the accommodating chamber 9 and drive the hollow dispersing mechanism 14 to rotate.

The dispersing and stirring device in the utility model has the function of dispersing the steam on one hand and dividing the whole steam into a plurality of small steam strands, thereby being beneficial to uniformly and efficiently heating the sterilized wastewater; on the other hand, the high-pressure steam impacts the blades to enable the blades to rotate relative to the containing chamber and drive the hollow dispersing mechanism to rotate, and the hollow dispersing mechanism rotates to play a role in stirring the sterilized wastewater in the inner container.

Specifically, the first steam inlet pipe 6, the second steam inlet pipe 18 and the inner container 1 are connected with a compressed air pipeline 19; the compressed air line 19 is connected to a compressed air source. By adopting the design, after the sterilization of the sterilized wastewater is finished and the sterilized wastewater needs to be cooled and discharged, the compressed air pipeline 19 is introduced into the inner container 1, so that the wastewater in the inner container 1 can be cooled more quickly. In particular, when sterilization of the sterilized wastewater is completed and the temperature needs to be reduced, low-temperature compressed air enters the dispersing and stirring device to stir the sterilized wastewater in the liner 1 for temperature reduction, and compressed air is introduced into the compressed air pipeline 19 at the top of the liner 1 after the temperature reduction to discharge the waste liquid, so that the wastewater in the liner 1 can be cooled and discharged more quickly.

Specifically, the first steam inlet pipe 6 is connected with a cooling water inlet pipe 20; the cooling water inlet pipe 20 is connected with a cooling water source. Through further introducing cooling water, can be more quick cool down inner bag 1. In addition, the compressed air pipeline 19 is matched, and the interlayer 3 can be blown by compressed air to ensure that the interlayer is free from water accumulation and corrosion.

Specifically, the hollow rotating shaft 10 between the adjacent blades 16 is provided with a steam inlet 17. Through the arrangement of a plurality of steam inlets 17, high-pressure steam can more quickly and conveniently pass through the steam inlets 17, enter the connecting pipe 13 and the hollow dispersion mechanism 14 and finally be sprayed out from the spray holes.

Specifically, the hollow dispersing mechanism 14 may be designed to be in a shape of a circular disk, a circular tube with both ends sealed, a square tube with both ends sealed, or a spiral blade.

The utility model discloses a theory of operation:

closing a stop valve on the wastewater outlet pipe, and allowing wastewater to be killed to enter the inner container from the wastewater inlet pipe; steam is introduced into the interlayer 3 through the first steam inlet pipe 6 to indirectly heat the wastewater in the liner; meanwhile, the steam is introduced into the dispersing and stirring device through the second steam inlet pipe 18, and the sterilized wastewater is directly heated after the steam is dispersed by the dispersing and stirring device; the utility model discloses a mode of indirect heating and direct heating heats the waste water that disinfects, has greatly shortened heating rise time to realize the purpose of quick, high-efficient sterilization.

In addition, after the waste water in the inner container 1 finishes through high temperature extinction and needs to be cooled and discharged, compressed air is introduced through the compressed air pipeline 19 and cooling water is introduced through the cooling water inlet pipe 20, so that the waste water in the inner container 1 can be cooled more quickly.

The utility model discloses not only can shorten the waste water heating time that treats the virus killing and heaies up, can shorten the cooling time to the waste water through the virus killing moreover to reach the purpose of quick, high-efficient sterilization.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A high-efficiency sterilization tank for waste water in a biological safety laboratory comprises a tank body consisting of an inner container (1), an outer shell (2) and an interlayer (3) arranged between the inner container (1) and the outer shell (2); the tank body is connected with a waste water inlet pipe (4), a waste water outlet pipe (5), a first steam inlet pipe (6), a pressure release valve (7) and a condensed water outlet pipe (8); the method is characterized in that: a dispersing and stirring device is arranged in the inner cavity of the inner container (1); the dispersing and stirring device comprises an accommodating chamber (9), a hollow rotating shaft (10), an upper bearing seat (11), a lower bearing seat (12), a connecting pipe (13) and a hollow dispersing mechanism (14); the accommodating chamber (9) is arranged in the inner cavity of the inner container (1) in a suspended manner through a connecting rod (15), and a hollow rotating shaft (10) is arranged in the inner cavity of the accommodating chamber (9); the top end of the hollow rotating shaft (10) is movably connected to the upper bearing seat (11), the top end of the upper bearing seat (11) is fixed to the top wall of the accommodating chamber (9), the lower part of the hollow rotating shaft (10) is movably connected to the lower bearing seat (12), and the lower bearing seat (12) is installed on the bottom wall of the accommodating chamber (9); a plurality of blades (16) are arranged on the outer side wall of the hollow rotating shaft (10) along the axial direction of the hollow rotating shaft (10); a steam inlet (17) is arranged on the hollow rotating shaft (10); the bottom end of the hollow rotating shaft (10) is connected with a connecting pipe (13), the bottom end of the connecting pipe (13) extends into the inner cavity of the inner container (1) outside the accommodating chamber (9), and the extending tail end of the connecting pipe (13) is connected with a hollow dispersing mechanism (14); a plurality of jet holes are formed in the hollow dispersing mechanism (14); the accommodating chamber (9) is connected with a second steam inlet pipe (18), the steam inlet ends of the second steam inlet pipe (18) and the first steam inlet pipe (6) are connected with a high-pressure gas source, the steam outlet of the second steam inlet pipe (18) faces the blade (16), and steam in the second steam inlet pipe (18) can drive the blade (16) to rotate relative to the accommodating chamber (9) and drive the hollow dispersing mechanism (14) to rotate.

2. The high-efficiency sterilization tank for waste water in a biosafety laboratory according to claim 1, characterized in that: the first steam inlet pipe (6), the second steam inlet pipe (18) and the inner container (1) are connected with compressed air pipelines (19); the compressed air line (19) is connected to a compressed air source.

3. The high-efficiency sterilization tank for waste water in a biosafety laboratory according to claim 2, characterized in that: the first steam inlet pipe (6) is connected with a cooling water inlet pipe (20); the cooling water inlet pipe (20) is connected with a cooling water source.

4. The high-efficiency sterilization tank for waste water in a biosafety laboratory according to claim 3, characterized in that: and steam inlets (17) are formed in the hollow rotating shaft (10) between the adjacent blades (16).

5. The biosafety laboratory wastewater high-efficiency sterilization tank according to any one of claims 1 to 4, characterized in that: the hollow dispersion mechanism (14) is in a shape of a circular disc, a circular tube with two sealed ends, a square tube with two sealed ends or a spiral blade.