CN110670700A - Big animal biosafety level four laboratory floor drain - Google Patents
Big animal biosafety level four laboratory floor drain Download PDFInfo
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- CN110670700A CN110670700A CN201910983830.3A CN201910983830A CN110670700A CN 110670700 A CN110670700 A CN 110670700A CN 201910983830 A CN201910983830 A CN 201910983830A CN 110670700 A CN110670700 A CN 110670700A
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- floor drain
- laboratory
- large animal
- biosafety
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sink And Installation For Waste Water (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
A large animal biosafety four-level laboratory floor drain relates to the field of biosafety laboratories. The large animal four-stage laboratory floor drain solves the problems that an existing large animal four-stage laboratory floor drain is poor in filtering effect and easy to cause functional faults of a live toxin wastewater system. The floor drain includes: the device comprises a compression cover, a floor drain shell, a coarse grating plate, a net frame and a disinfection tube. The laboratory floor drain meets the requirements of a biological safety four-level laboratory in tightness when not used; the filtering effect is good in the using process; the filter material is simple and easy to obtain, low in cost, disposable, safe and convenient, and the filtering effect is ensured; the residue deposition section is arranged, and small-particle residues can be collected; the bottom of the residue deposition section is soaked and disinfected by the disinfectant; the operation safety is high, and the normal operation of a live-poison wastewater system cannot be influenced by the fact that animal excrement enters a drainage pipeline; the stainless steel is formed by welding SUS304 stainless steel integrally in a seamless mode, and is corrosion-resistant, acid-resistant, alkali-resistant and high in strength. The invention is suitable for the floor drain of the biological safety four-level laboratory.
Description
Technical Field
The invention relates to the field of biosafety laboratories, in particular to a large animal biosafety four-level laboratory floor drain.
Background
The four-level biosafety laboratory is the highest level biosafety laboratory worldwide. The unit engaged in the pathogenic microorganism experiment, as the basic unit of various infectious germs (viruses) research operations, the laboratory must have the system and the human body protection measure for preventing the pathogenic microorganism from spreading, and the microorganisms with different harm groups must be operated under different physical protection conditions, on one hand, the laboratory personnel and other articles are prevented from being polluted, and simultaneously, the microorganisms are prevented from being released into the environment, thus having strict requirements on the sealing property of the laboratory floor drain. The animal epidemic disease prevention and control high-level biological safety laboratory is beneficial to improving the prevention and control and research capability of virulent infectious diseases, for large test animals such as pigs, horses, cattle, sheep and the like, the large animal safety laboratory generates more excrement, and after the excrement is primarily filtered by the floor drain, a lot of tiny residues of the excrement still pass through the floor drain and enter a drainage pipeline, and then enter a live-poison wastewater system, so that the functional fault of the live-poison wastewater system can be caused, and the adverse effect is generated on the normal operation of the laboratory. Therefore, it is very important to research a floor drain capable of filtering feces for a large animal biosafety four-level laboratory. The floor drain can ensure normal drainage of a laboratory and effectively filter excrement, and the prior art is difficult to meet and influences normal running of an experiment.
Disclosure of Invention
The invention aims to solve the problems that the existing large animal four-level laboratory floor drain has poor filtering effect and is easy to cause functional failure of a live-poison wastewater system, and provides a large animal biological safety four-level laboratory floor drain.
The utility model provides a big animal biosafety level four laboratory floor drain, it includes: the device comprises a compression cover, a floor drain shell, a coarse grating plate, a net frame and a disinfection pipe; a silica gel sealing ring is arranged at the contact part of the compression cover and the floor drain shell; the middle lower section of the floor drain shell is provided with a drain pipe and a first ball valve; the lower end of the floor drain shell is a residue deposition section and is provided with a second ball valve; the coarse grating plate is positioned at the top of the net frame; the screen frame is arranged in the floor drain shell; the net frame is provided with an extending edge, and the extending edge of the net frame is lapped on an inner extending edge of the inner wall of the floor drain shell; the filter material is arranged in the screen frame and divided into two layers, the middle layer is separated by a coarse screen, the upper layer is garnet sand, the lower layer is quartz sand, and the volume ratio of the garnet sand to the quartz sand is 1: 1; the screen frame is positioned above the drain pipe; the disinfection pipe is arranged along the inner wall of the floor drain shell.
The invention has the following advantages:
the floor drain for the biological safety level four laboratory of the large animals can meet the tightness of the biological safety level four laboratory, and in use, waste is filtered by a coarse grating plate, a filter material and a fine filter hole, so that the filtering effect is good; the wastewater finally enters a live-poison wastewater system through a drain pipe; because the residue deposition section is arranged, the small-particle residue of the excrement can be deposited and collected under the action of gravity, and the small-particle residue can not enter a drainage pipeline through a floor drain to further influence the normal operation of a live-poison wastewater system.
According to the large animal biological safety four-level laboratory floor drain, the filter material is arranged in the net frame and is divided into two layers, the upper layer filter material is large in particle size and used for filtering large wastes, and the lower layer filter material is small in particle size and used for filtering small wastes; the used filter material is simple and easy to obtain, low in cost, disposable, safe and convenient, and the filtering effect is ensured.
The large animal biological safety four-level laboratory floor drain is provided with a disinfection pipe, disinfectant is filled into the bottom of the residue deposition section through the disinfection pipe for soaking and disinfection, and after disinfection is finished, a second ball valve is opened in a pipeline interlayer to collect excrement residues.
The invention makes up the defects of the existing laboratory floor drain design, provides the large animal biological safety four-level laboratory floor drain, can effectively filter excrement generated by large animals, enables the excrement to enter a drainage pipeline as little as possible, can disinfect a residue deposition section of the floor drain through a disinfection pipe, and is safer in the subsequent overhaul and accessory replacement processes.
The invention is suitable for the floor drain of the biological safety four-level laboratory.
Drawings
Fig. 1 is a schematic diagram of a large animal biosafety four-level laboratory floor drain in the invention, wherein 1 represents a compression cover, 2 represents a floor drain shell, 3 represents a coarse grid plate, 4 represents a screen frame, 5 represents a disinfection pipe, 6 represents a pull ring, 7 represents a silica gel sealing ring, 8 represents a drain pipe, 9 represents a first ball valve, 10 represents a residue deposition section, 11 represents a second ball valve, and 12 represents a coarse screen.
Detailed Description
The technical solution of the present invention is not limited to the following specific embodiments, but includes any combination of the specific embodiments.
The first embodiment is as follows: referring to fig. 1, the fourth-order laboratory floor drain for biological safety of large animals in the present embodiment includes: the device comprises a compression cover 1, a floor drain shell 2, a coarse grating plate 3, a net frame 4 and a disinfection pipe 5; a silica gel sealing ring 7 is arranged at the contact part of the compressing cover 1 and the floor drain shell 2; a drain pipe 8 and a first ball valve 9 are arranged at the middle lower section of the floor drain shell 2; the lower end of the floor drain shell 2 is a residue deposition section 10 and is provided with a second ball valve 11; the coarse grid plate 3 is positioned at the top of the net frame 4; the screen frame 4 is arranged in the floor drain shell 2; the net frame 4 is provided with an extending edge, and the extending edge of the net frame 4 is lapped on an inner extending edge of the inner wall of the floor drain shell 2; the filter material is arranged in the screen frame 4 and divided into two layers, the middle layer is separated by a coarse screen 12, the upper layer is garnet sand, the lower layer is quartz sand, and the volume ratio of the garnet sand to the quartz sand is 1: 1; the screen frame 4 is positioned above the drain pipe 8; the disinfection tube 5 is arranged along the inner wall of the floor drain shell 2.
In the embodiment, the screen frame 4 and the internal filter material are disposable and are subjected to harmless treatment.
In the embodiment, the inlet and outlet of the drain pipe 8 are communicated with the inlet water of the live-poison wastewater system.
In this embodiment the disinfection tube 5 is glued to the inner wall of the floor drain housing 2.
In the cleaning process of the biological safe level four laboratory of big animal, waste water, excrement and other debris get into the laboratory escape canal, and the laboratory ground washes clean back, collects accumulational discarded object in the escape canal again, then carries out innocent treatment. In the embodiment, the four-stage laboratory floor drain for the biological safety of the large animals is positioned at the lowest part of a laboratory drainage ditch, after a pressing cover 1 and a first ball valve 9 are opened, wastewater and excrement are firstly filtered for the first time through a coarse grating plate 3, then are filtered for the second time through a filter material in a net frame 4, and are filtered for the third time through a fine filter hole in the bottom of the net frame 4; most of the excrement is filtered, a few of the excrement enters a residue deposition section 10, and the wastewater finally enters a live-poison wastewater system through a drain pipe 8; before residue is collected, the first ball valve 9 is closed, disinfectant is filled into the bottom of the residue deposition section 10 through the disinfection pipe 5 for soaking and disinfection, and after disinfection is completed, the second ball valve 11 is opened in a pipeline interlayer to collect excrement residues.
In the large animal biosafety four-level laboratory floor drain in the embodiment, the compression cover and the two ball valves of the floor drain are closed when the floor drain is not flushed in a laboratory, so that the laboratory can achieve high-efficiency sealing.
Big animal biosafety level four laboratory floor drain in this embodiment adopts the whole seamless welding of SUS304 stainless steel to form, can accomplish corrosion-resistant, acid and alkali-resistance, intensity height, accords with biosafety level four laboratory requirement.
Big animal biosafety level four laboratory floor drain in this embodiment, the filter effect is good, and the security is high, and operation process safety can not make animal waste enter drainage pipe and influence the normal operating of live poison waste water system.
The second embodiment is as follows: the present embodiment is different from the first embodiment in that the pressing cover 1 is a 5mm thick SUS304 stainless steel plate, and a pull ring 6 is provided at the center thereof. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first embodiment in that the pressing cover 1 is opened and sealed at the top end of the floor drain housing 2 by means of a pull ring 6. The rest is the same as the first embodiment.
The fourth concrete implementation mode: the difference between the present embodiment and the first embodiment is that the floor drain casing 2 is formed by welding SUS304 stainless steel without seam. The rest is the same as the first embodiment.
The fifth concrete implementation mode: the difference between this embodiment and the first embodiment is that the screen frame 4 is barrel-shaped, and the bottom of the barrel is a fine filtering hole. The rest is the same as the first embodiment.
The sixth specific implementation mode: the difference between this embodiment and the first embodiment is that a single hole is formed on the outer extension edge of the net frame 4, and the disinfection tube 5 passes through the single hole. The rest is the same as the first embodiment.
The seventh embodiment: this embodiment differs from the first embodiment in that the inlet end of the disinfection tube 5 extends beyond the coarse grid plate 3 and the outlet end is located at the bottom of the residue deposition section 10. The rest is the same as the first embodiment.
The specific implementation mode is eight: the difference between this embodiment and the first embodiment is that the disinfection tube 5 is a rubber hose with a diameter of 5 mm. The rest is the same as the first embodiment.
The specific implementation method nine: the difference between the present embodiment and the first embodiment is that the drain pipe 8, the residue settling section 10 and the floor drain casing 2 are formed by integral seamless welding of SUS304 stainless steel. The rest is the same as the first embodiment.
The detailed implementation mode is ten: the present embodiment is different from the first embodiment in that the coarse strainer 12 is an iron net. The rest is the same as the first embodiment.
The concrete implementation mode eleven: the difference between the embodiment and the specific embodiment is that the filter material can also be made of anthracite on the upper layer and quartz sand on the lower layer, and the volume ratio of the anthracite to the quartz sand is 1: 1. The rest is the same as the first embodiment.
The beneficial effects of the present invention are demonstrated by the following examples:
example (b):
referring to fig. 1, the fourth-level laboratory floor drain for biological safety of large animals in the present embodiment includes: the device comprises a compression cover 1, a floor drain shell 2, a coarse grating plate 3, a net frame 4 and a disinfection pipe 5; a silica gel sealing ring 7 is arranged at the contact part of the compressing cover 1 and the floor drain shell 2; a drain pipe 8 and a first ball valve 9 are arranged at the middle lower section of the floor drain shell 2; the lower end of the floor drain shell 2 is a residue deposition section 10 and is provided with a second ball valve 11; the coarse grid plate 3 is positioned at the top of the net frame 4; the screen frame 4 is arranged in the floor drain shell 2; the net frame 4 is provided with an extending edge, and the extending edge of the net frame 4 is lapped on an inner extending edge of the inner wall of the floor drain shell 2; the filter material is arranged in the screen frame 4 and divided into two layers, the middle layer is separated by a coarse screen 12, the upper layer is garnet sand, the lower layer is quartz sand, and the volume ratio of the garnet sand to the quartz sand is 1: 1; the screen frame 4 is positioned above the drain pipe 8; the disinfection pipe 5 is arranged along the inner wall of the floor drain shell 2;
the pressing cover 1 is a SUS304 stainless steel plate with the thickness of 5mm, and a pull ring 6 is arranged at the center of the pressing cover;
the compressing cover 1 is opened and sealed at the top end of the floor drain shell 2 through a pull ring 6;
the floor drain shell 2 is formed by welding SUS304 stainless steel integrally without seam;
the screen frame 4 is barrel-shaped, and the barrel bottom is provided with a fine filter hole;
a single hole is formed in the outer extension edge of the net frame 4, and the disinfection tube 5 penetrates through the single hole;
the inlet end of the disinfection pipe 5 extends out of the coarse grid plate 3, and the outlet end is positioned at the bottom of the residue deposition section 10;
the disinfection tube 5 is a rubber hose with the diameter of 5 mm;
the drain pipe 8, the residue deposition section 10 and the floor drain shell 2 are formed by welding SUS304 stainless steel integrally without seams;
the coarse strainer 12 is an iron net.
In this embodiment, the screen frame 4 and the internal filter material are all disposable and are subjected to harmless treatment.
In this embodiment, the outlet and inlet of the water discharge pipe 8 are communicated with the water inlet of the live-poison wastewater system.
The disinfection tube 5 is in this embodiment glued to the inner wall of the floor drain housing 2.
In the cleaning process of the biological safe level four laboratory of big animal, waste water, excrement and other debris get into the laboratory escape canal, and the laboratory ground washes clean back, collects accumulational discarded object in the escape canal again, then carries out innocent treatment. In the embodiment, the large animal biological safety four-level laboratory floor drain is positioned at the lowest part of a laboratory drainage ditch, after a pressing cover 1 and a first ball valve 9 are opened, wastewater and excrement are firstly filtered for the first time through a coarse grating plate 3, then are filtered for the second time through a filter material in a net frame 4, and are filtered for the third time through a fine filter hole in the bottom of the net frame 4; most of the excrement is filtered, a few of the excrement enters a residue deposition section 10, and the wastewater enters a live-toxicity wastewater system through a drain pipe 8; before residue is collected, the first ball valve 9 is closed, disinfectant is filled into the bottom of the residue deposition section 10 through the disinfection pipe 5 for soaking and disinfection, and after disinfection is completed, the second ball valve 11 is opened in a pipeline interlayer to collect excrement residues.
The biological safe level four laboratory floor drain of big animal in this embodiment, the filter effect is high, and the security is high, and operation process safety can not make animal waste urine get into drainage pipe and influence the normal operating of live poison waste water system.
In the embodiment, the filter material is arranged in the screen frame 4 and is divided into two layers, wherein the upper layer of the filter material is large in particle size and is used for filtering large waste, and the lower layer of the filter material is small in particle size and is used for filtering small waste; the used filter material is simple and easy to obtain, the cost is low, various substances are used for selecting and replacing the filter material, the disposable use is realized, the filter effect is ensured, and the safety and the convenience are realized.
Claims (10)
1. The utility model provides a big animal biosafety level four laboratory floor drain which characterized in that it includes: the floor drain comprises a compression cover (1), a floor drain shell (2), a coarse grating plate (3), a net frame (4) and a disinfection pipe (5); a silica gel sealing ring (7) is arranged at the contact part of the compressing cover (1) and the floor drain shell (2); a drain pipe (8) is arranged at the middle lower section of the floor drain shell (2), and a first ball valve (9) is arranged; the lower end of the floor drain shell (2) is a residue deposition section (10) and is provided with a second ball valve (11); the coarse grating plate (3) is positioned at the top of the net frame (4); the net frame (4) is arranged in the floor drain shell (2); the net frame (4) is provided with an extending edge, and the extending edge of the net frame (4) is lapped on an inner extending edge of the inner wall of the floor drain shell (2); the filter material is arranged in the screen frame (4) and divided into two layers, the middle layer is divided by a coarse screen (12), the upper layer is garnet sand, the lower layer is quartz sand, and the volume ratio of the garnet sand to the quartz sand is 1: 1; the screen frame (4) is positioned above the drain pipe (8); the disinfection tube (5) is arranged along the inner wall of the floor drain shell (2).
2. The large animal biosafety four-stage laboratory floor drain of claim 1, characterized in that the compression cover (1) is a 5mm thick SUS304 stainless steel plate, and a pull ring (6) is arranged at the center.
3. A large animal biosafety fourth order laboratory floor drain according to claim 1, characterized in that the compressing cover (1) opens and seals the top end of the floor drain casing (2) by means of a pull ring (6).
4. The large animal biosafety four-stage laboratory floor drain according to claim 1, characterized in that the floor drain housing (2) is made of SUS304 stainless steel by integral seamless welding.
5. The large animal biosafety fourth-order laboratory floor drain of claim 1, characterized in that the screen frame (4) is barrel-shaped, and the barrel bottom is a fine filtering hole.
6. The large animal biosafety fourth-order laboratory floor drain of claim 1, characterized in that a single hole is formed on the outer extending edge of the net frame (4), and the disinfection tube (5) penetrates through the single hole.
7. A fourth-order laboratory floor drain for the biosafety of large animals according to claim 1, characterized in that the inlet end of the disinfection tube (5) extends out of the coarse grid plate (3) and the outlet end is located at the bottom of the residue deposition section (10).
8. A large animal biosafety fourth-order laboratory floor drain according to claim 1, characterized in that the disinfection tube (5) is a rubber hose with a diameter of 5 mm.
9. The large animal biosafety four-stage laboratory floor drain of claim 1, characterized in that the drain pipe (8) and the residue deposition section (10) are integrally formed by seamless welding with the drain casing (2) of SUS304 stainless steel.
10. The large animal biosafety fourth-level laboratory floor drain according to claim 1, characterized in that the filter material can also be anthracite on the upper layer and quartz sand on the lower layer, and the volume ratio of the anthracite to the quartz sand is 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983830.3A CN110670700A (en) | 2019-10-16 | 2019-10-16 | Big animal biosafety level four laboratory floor drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983830.3A CN110670700A (en) | 2019-10-16 | 2019-10-16 | Big animal biosafety level four laboratory floor drain |
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| Publication Number | Publication Date |
|---|---|
| CN110670700A true CN110670700A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910983830.3A Pending CN110670700A (en) | 2019-10-16 | 2019-10-16 | Big animal biosafety level four laboratory floor drain |
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| CN (1) | CN110670700A (en) |
Citations (7)
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| CN201024470Y (en) * | 2007-03-20 | 2008-02-20 | 张昌茂 | Three-way type bathing tube drain two-in-one water seal |
| CN203905148U (en) * | 2014-05-22 | 2014-10-29 | 中国核工业华兴建设有限公司 | Bio-safety closed floor drain |
| GB2517521A (en) * | 2013-12-19 | 2015-02-25 | Anacail Ltd | Drain decontamination system |
| CN205024810U (en) * | 2015-09-14 | 2016-02-10 | 重庆金渡中药材开发有限公司 | A floor drain that disinfects for having sterile chamber |
| CN107827284A (en) * | 2017-11-29 | 2018-03-23 | 宁波江北峰尚环保设备有限公司 | A kind of application method of apparatus for treating sewage |
| CN207646837U (en) * | 2017-10-31 | 2018-07-24 | 湖北工程学院 | A kind of municipal administration type rainwater filter well |
| CN209227730U (en) * | 2018-12-02 | 2019-08-09 | 朱义朝 | A kind of secondary heavy mud osmosis type roads rain inlet |
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2019
- 2019-10-16 CN CN201910983830.3A patent/CN110670700A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201024470Y (en) * | 2007-03-20 | 2008-02-20 | 张昌茂 | Three-way type bathing tube drain two-in-one water seal |
| GB2517521A (en) * | 2013-12-19 | 2015-02-25 | Anacail Ltd | Drain decontamination system |
| CN203905148U (en) * | 2014-05-22 | 2014-10-29 | 中国核工业华兴建设有限公司 | Bio-safety closed floor drain |
| CN205024810U (en) * | 2015-09-14 | 2016-02-10 | 重庆金渡中药材开发有限公司 | A floor drain that disinfects for having sterile chamber |
| CN207646837U (en) * | 2017-10-31 | 2018-07-24 | 湖北工程学院 | A kind of municipal administration type rainwater filter well |
| CN107827284A (en) * | 2017-11-29 | 2018-03-23 | 宁波江北峰尚环保设备有限公司 | A kind of application method of apparatus for treating sewage |
| CN209227730U (en) * | 2018-12-02 | 2019-08-09 | 朱义朝 | A kind of secondary heavy mud osmosis type roads rain inlet |
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| Title |
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Application publication date: 20200110 |