CN108105487A - A kind of bilayer sleeve for high-level prevention room discharge active-poison sewage - Google Patents
A kind of bilayer sleeve for high-level prevention room discharge active-poison sewage Download PDFInfo
- Publication number
- CN108105487A CN108105487A CN201810078774.4A CN201810078774A CN108105487A CN 108105487 A CN108105487 A CN 108105487A CN 201810078774 A CN201810078774 A CN 201810078774A CN 108105487 A CN108105487 A CN 108105487A
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- Prior art keywords
- inner tube
- tube
- sleeve
- outer layer
- layer sleeve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
- F16L9/19—Multi-channel pipes or pipe assemblies
- F16L9/20—Pipe assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of bilayer sleeves for high-level prevention room discharge active-poison sewage,Including discharging inner tube,Outer layer sleeve,Multiple inner tube supporting frames and patch short tube,Discharge inner tube is located in outer layer sleeve,Each inner tube supporting frame is located between discharge inner tube and outer layer sleeve,And each inner tube supporting frame is sequentially distributed along the axial direction of discharge inner tube,Each inner tube supporting frame radially can freely stretch along discharge inner tube,The fixed part of each inner tube supporting frame is connected with discharge inner tube,The pars contractilis of each inner tube supporting frame is contacted with outer layer sleeve,Multiple patch short tubes are axially set on outer layer sleeve successively along outer layer sleeve,The first sealing ring is equipped between each patch short tube and outer layer sleeve,The inlet of outer layer sleeve is equipped with ascending pipe,The exit of outer layer sleeve is equipped with delivery pipe,Sealing element is respectively equipped in injection tube inlet and delivery pipe outlet.The double-layer sleeve structure is simple, securely and reliably, easy for construction.
Description
Technical field
The present invention relates to high-level closed laboratory installation technical fields, and in particular to one kind is used for high-level prevention
Discharge the bilayer sleeve of active-poison sewage in room.
Background technology
High-level biological safety protection laboratory is using physics complete isolated guard technology and protective barrier, passes through phase
Corresponding strict control measure reaches and high pathogenic risk biotic factor is avoided to spill into environment to generate serious biological risk
Purpose.Different according to biological risk and hazard degree, pathogenic microorganism is divided into four grades.First kind pathogenic microorganism and the mankind
Health and human diseases are unrelated, non-hazardous to the mankind；Second class pathogenic microorganism can damage to human health, but its
Extent of injury very little, and have very effective prevention and treatment means；Three classes pathogenic microorganism can make human health
Into more serious harm or cause infection dead, this kind of pathogenic microorganism may have prevention or treatment means；4th class cause of disease is micro-
Biology can cause human health very to seriously endanger or directly result in death, and without prevention or treatment means, such as charcoal
Subcutaneous ulcer bacillus, Ebola virus, variola virus etc..Highest level biological safety protection laboratory is exactly to be used for studying the 4th class cause of disease
The laboratory of the high protection level of microorganism, therefore it protects quarantine measures requirement high, to ensure without any high infective pathogen
Microorganism loss to environment possibility.
The country there is no the biological risk active-poison sewage row of bilayer dedicated for high-level biological safety protection laboratory at present
Put and handle pipeline.There is also problems with for similar techniques：
Firstth, it is domestic at present not yet to find the ripe biological risk of the bilayer for high-level biological safety protection laboratory
Active-poison sewage discharges and processing pipe technology.
Secondth, for external at present double-deck active-poison sewage casing based on welding, this is very high to welding process requirement, and welds
Construction is often subject to the limitations such as pipe arrangement.
3rd, known external double-deck active-poison sewage pipe technology pipe inside support is fixed support, is adjusted and mobile
Ability is poor, support it is inadequate with inner and outer pipes compactness, easily because equipment operation or other factors generate vibrations, cause weld or
There is leakage hidden danger in connecting portion.
4th, ripe double-skin duct maintenance, disinfection and maintenance subsequent processing technical tactic and embodiment be there is no at present.
The content of the invention
In order to solve the above-mentioned problems of the prior art, arranged the present invention provides one kind for high-level prevention room
The bilayer sleeve of active-poison sewage is put, the double-layer sleeve structure is simple, securely and reliably, easy for construction, has filled up current high-level life
The technological gap of double-skin duct, overcomes other technologies similar to double-skin duct in the active-poison sewage discharge of object security laboratory and processing
Defect.
Technical solution is used by realizing above-mentioned purpose of the present invention：
A kind of bilayer sleeve for high-level prevention room discharge active-poison sewage, including discharge inner tube and outer layer jacket
Pipe, discharge inner tube are located in outer layer sleeve, further include multiple inner tube supporting frames and patch short tube, each inner tube supporting frame is located at
It discharges between inner tube and outer layer sleeve, and each inner tube supporting frame is sequentially distributed along the axial direction of discharge inner tube, each inner tube supporting rack
Body radially can freely stretch along discharge inner tube, and the fixed part of each inner tube supporting frame is connected with discharge inner tube, each inner tube supporting rack
The pars contractilis of body is contacted with outer layer sleeve, and multiple patch short tubes are axially set on outer layer sleeve successively along outer layer sleeve, each to mend
The first sealing ring is equipped between fourth short tube and outer layer sleeve.
The inner tube supporting frame includes multiple telescope supports, circumferential uniform point along discharge inner tube of multiple telescope supports
Cloth, telescope support include sleeve, spring and ball, sleeve one end open, and spring is located in sleeve, and one end of spring and sleeve are close
The connection of inner surface center is blocked, the other end is connected with ball, and the natural length of spring is less than the depth of sleeve, a part for ball
Outside sleeve, each sleeve seal end outer surface is fixedly connected with discharge inner tube, and each ball is contacted with outer layer sleeve.
Multiple retainer rings are further included, retainer ring is equal with the number of inner tube supporting frame, multiple retainer rings edge discharge inner tubes
Axial direction for fixing sleeve loaded in discharge inner tube, the sealed end outer surfaces of multiple sleeves on each inner tube supporting frame is solid respectively successively
Due in corresponding retainer ring.
The retainer ring is enclosed by elastic steel sheet, and the both ends of elastic steel sheet are bolted on discharge inner tube
On.
The outer layer sleeve by it is multiple segmentation outer tubes be connected in sequence, segmentation outer tube be straight tube, three-way pipe or bend pipe,
Segmentation inner tube is reducer pipe, and in adjacent two segmentations outer tube, one of them is segmented one end of outer tube as outer insertion short tube, another point
One end of section outer tube is outer access short tube, and connection, institute are compressed in the outer outer access short tube of insertion short tube insertion and by high pressure mode
The inner layer sleeve stated is connected in sequence by multiple segmentation inner tubes, and segmentation inner tube is straight tube, three-way pipe or bend pipe, divides segmentation inner tube
It is reducer pipe, in adjacent two segmentations inner tube, one end of one of segmentation inner tube is interior insertion short tube, another segmentation outer tube
One end for interior access short tube, compress connection in interior insertion short tube insertion in access short tube and by high pressure mode.
Outer insertion short tube is equipped with the first internal projecting ring, and outer access short tube is equipped with outside first to match with the first internal projecting ring
Groove, the first internal projecting ring are located in the first external groove, and outer access short tube is equipped with the first sealing ring, and interior insertion short tube is equipped with the
Two internal projecting rings, interior access short tube are equipped with the second external groove to match with the second internal projecting ring, and the second internal projecting ring is located at outside second
In groove, interior access short tube is equipped with the second sealing ring.
One end and outer insertion short tube welding that outer access short tube is connected with outer insertion short tube, interior access short tube and interior insertion are short
One end of pipe connection and interior insertion short tube welding.
Ring is separated along axial be equipped with successively of inner layer sleeve between outer layer sleeve and inner layer sleeve, respectively separates the inner side edge edge of ring
Be tightly connected with discharge inner tube, respectively separate the outer side edges of ring along and outer layer sleeve be tightly connected, it is adjacent more than two to separate
Ring and outer layer sleeve and discharge inner tube form an independent sealed detection unit, set in each detection unit there are one ascending pipe with
More than one delivery pipe injects in tube inlet and the outlet of each delivery pipe and is respectively equipped with sealing element.
Compared with prior art, advantages and advantages of the invention are：
1st, bilayer sleeve of the invention sets inner tube supporting frame, supporting rack top between discharge inner tube and outer layer protect casing
End ball can effectively improve Pipe installing technique, can effectively reduce discharge inner tube because of equipment operation or the vibrations of current generation, prevent
Junction is only compressed because vibrations generate loosening, sealing effect is influenced, pipeline maintenance attended operation ability can be effectively improved.
2nd, discharge inner tube of the invention and outer layer sleeve are segmented junction using high pressure compression type connection mode at it, only exist
Connection end is welded, and the problems such as can avoiding deforming because of the material that high temperature generates in conventional bonding technique, can effectively avoid
The problem of influencing sealing effect because of welding.
3rd, bilayer sleeve of the invention adds multiple patch short tubes outside outer layer sleeve, when outer layer sleeve ruptures
When, the part that outer layer sleeve ruptures can be cut off, then patch short tube is moved to the both ends of outer layer sleeve rupture section, then passed through
Patch short tube is pressed on outer layer sleeve by high pressure mode, and patch short tube is made to make up rupture section as patch；When discharge inner tube
It when upper segmentation inner tube ruptures, can will be cut off at the corresponding outer layer sleeve of segmentation inner tube, replace segmentation inner tube, then will
Patch short tube is moved to the both ends that outer layer sleeve cuts off section, then patch short tube is pressed on outer layer sleeve by high pressure mode,
Patch short tube is made to be made up as patch and cuts off section；It can be seen that due to the presence of patch short tube, it can be easily to outer layer
Casing and discharge inner tube carry out maintenance, and substantially prolong the service life of bilayer sleeve, greatly reduce the processing of active-poison sewage
Cost.
4th, bilayer sleeve of the invention can carry out segmentation and suppress and disinfection, can effectively improve and suppress detection efficiency and standard
True rate.
5th, double-layer sleeve structure of the invention is simple, installation is convenient, and safe and reliable, real available for high-level protection
Test the emission treatment of room active-poison sewage.
Description of the drawings
Fig. 1 is the structure diagram for the bilayer sleeve that active-poison sewage is discharged for high-level prevention room.
Fig. 2 is the partial enlarged view of I in Fig. 1.
Fig. 3 is the part-structure schematic diagram being segmented when outer tube and segmentation inner tube are three-way pipe.
Fig. 4 is the part-structure schematic diagram being segmented when outer tube and segmentation inner tube are bend pipe.
Fig. 5 be Fig. 1 in A-A to sectional view.
Fig. 6 is the structure diagram of telescope support.
Wherein, 1- outer layer sleeves, 2- discharges inner tube, 3- inner tubes supporting frame, 4- ascending pipes, 5- delivery pipes, 6- patches are short
Pipe, 7- sleeves, 8- springs, 9- balls, 10- elastic steel sheets, 11- bolts, 12- segmentation outer tube are inserted into short tube outside 13-, outside 14-
Access short tube, 15- is segmented inner tube, the interior access short tube of insertion short tube, 17-, the first internal projecting rings of 18-, 19- first are recessed outside in 16-
Slot, the second sealing rings of 20-, the second internal projecting rings of 21-, the second external grooves of 22-, the 3rd sealing rings of 23-, the first sealing rings of 24-, 25-
Separate ring.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Provided by the present invention for structure such as Fig. 1 institutes of the bilayer sleeve of high-level prevention room discharge active-poison sewage
Show, which includes discharge inner tube 2, outer layer sleeve 1, multiple patch short tubes 25, multiple inner tube supporting frames 3 and multiple
Retainer ring.Discharge inner tube 2 is located in outer layer sleeve 1, discharges inner tube and outer layer sleeve and uses stainless steel.
Multiple patch short tubes 25 are set with successively along outer layer sleeve axial (laid according to pipeline and execution conditions are designed)
In on outer layer sleeve 1, the first sealing ring 24 is equipped between each patch short tube 25 and outer layer sleeve 1, the presence of patch short tube can be with
Discharge inner tube and outer layer sleeve are carried out maintenance, the service life of bilayer sleeve is extended, reduces cost.
The outer layer sleeve 1 is connected in sequence by multiple segmentation outer tubes 12.It can be straight tube, curved to be segmented outer tube 12
Pipe, three-way pipe or other more siphunculus, bend pipe are used for the connection at outer layer sleeve turning, and it is more that more siphunculus can be used for bilayer sleeve
Connection at branch shunting.Segmentation outer tube 12 is reducer pipe, in adjacent two segmentations outer tube 12, one end of one of segmentation outer tube 12
For outer insertion short tube 13, one end of another segmentation outer tube 12 is outer access short tube 14, and outer insertion short tube 13 is equipped in first
Bulge loop 18, outer access short tube 14 are equipped with the first external groove 19 to match with the first internal projecting ring, and outer insertion short tube 13 is inserted into outer
Connection is compressed in access short tube 14 and by high pressure mode, and the first internal projecting ring 18 is located in the first external groove 19, outer insertion is short
The second sealing ring 20 is equipped between pipe 13 and outer access short tube 14.Outer tube is segmented using variable diameter design, and adjacent two are segmented outer tube
Between connected by the way of grafting and high pressure pressing molding, and sealing ring (such as rubber seal) is set, purpose is to increase
Strong outer layer sleeve is respectively segmented the leakproofness of outer tube junction, ensures that outer layer sleeve does not have any leakage.Outer access short tube 14
Welded with outer one end for be connected of insertion short tube 13 and outer insertion short tube 13, so can to avoid it is external enter short tube and outer insertion short tube
One end of connection can slowly tilt after using for a longer period, influence sealing effect.
The discharge inner tube is connected in sequence by multiple segmentation inner tubes 15.Be segmented inner tube 15 can be straight tube, bend pipe,
Three-way pipe or other more siphunculus, bend pipe are used for the connection at bilayer sleeve turning, and it is branched that more siphunculus can be used for discharge inner tube
Connection at shunting.Segmentation inner tube 15 is reducer pipe, in adjacent two segmentations inner tube 15, one end of one of segmentation inner tube 15
For interior insertion short tube 16, one end of another segmentation inner tube 15 is interior access short tube 17, and interior insertion short tube 16 is equipped in second
Bulge loop 21, interior access short tube 17 are equipped with the second external groove 22 to match with the second internal projecting ring, and interior insertion short tube 16 is inserted into interior
Connection is compressed in access short tube 17 and by high pressure mode, and the second internal projecting ring 21 is located in the second external groove 22, interior insertion is short
The 3rd sealing ring 23 is equipped between pipe 16 and interior access short tube 17.Inner tube is segmented using variable diameter design, and adjacent two are segmented inner tube
Between connected by the way of grafting and high pressure pressing molding, and sealing ring (such as rubber seal) is set, purpose is to increase
Forced-ventilated puts the leakproofness that inner tube is respectively segmented inner tube junction, ensures that discharge inner tube does not have any leakage.It is interior access short tube with
One end of interior insertion short tube connection and interior insertion short tube welding so can be inserted into what short tube was connected into short tube to avoid being inscribed with interior
One end can slowly tilt after using for a longer period, influence sealing effect.
Each inner tube supporting frame 3 is sequentially distributed along the axial direction of discharge inner tube 2, and inner tube supporting frame plays the work of support inner tube
With, while also to facilitate discharge inner tube and outer layer sleeve installation.The inner tube supporting frame 3 includes multiple telescope supports, respectively
Multiple telescope supports of inner tube supporting frame are distributed uniformly and circumferentially between discharge inner tube 2 and outer layer sleeve 1, this implementation
In example, telescope support has 3.
The telescope support includes sleeve 7, spring 8 and ball 9,7 one end open of sleeve, and spring 8 is located in sleeve 7,
One end of spring 8 is connected with 7 sealed end inner surface of sleeve center, and the other end is connected with ball 9, and the natural length of spring 8 is less than
The depth of sleeve 7, a part for ball 9 are located at outside sleeve 7.
Retainer ring is equal with the number of inner tube supporting frame 3, the axial direction fixing sleeve successively of multiple retainer rings along discharge inner tubes
Loaded in discharge inner tube.The fixation steel loop is enclosed by elastic steel sheet 10, and the both ends of elastic steel sheet pass through bolt 11
It is fixed in discharge inner tube 2.
The sealed end outer surface of 3 sleeves on each inner tube supporting frame is individually fixed in corresponding retainer ring,
By setting retainer ring, avoid sleeve and be directly welded in discharge inner tube, so as to avoid inner tube is discharged in welding because of height
The deformation that temperature generates, and then add the leakproofness of discharge inner tube.3 balls 9 and outer layer sleeve on each inner tube supporting frame 3
1 contact by the cooperation of ball and spring, can make outer layer sleeve be easily installed in each inner tube supporting frame, and spring can be with
The length of meaning adjustment inner tube supporting frame, ball can reduce the friction between outer layer sleeve and inner tube supporting frame.
Ring 25 is separated along axial be equipped with successively of inner layer sleeve between outer layer sleeve and inner layer sleeve, separates ring 25 by stainless steel
It makes, respectively separates the inner side edge of ring 25 along with discharge inner tube welding, the outer side edges for respectively separating ring 25 are welded along with outer layer sleeve, phase
Adjacent more than two rings 25 that separate form an independent sealed detection unit with outer layer sleeve 1 and discharge inner tube 2, each to detect
It is set on unit there are one ascending pipe and more than one delivery pipe, injects in tube inlet and the outlet of each delivery pipe and be respectively equipped with sealing
Part.Since entire bilayer sleeve length is longer and pipe branch is more, it has not been convenient to pipeline closed and soaking disinfection are detected,
Ring is separated for this purpose, devise herein, entire bilayer sleeve is subjected to segmentation detection by separating ring, such as：When entire double braid covering
Manage it is relatively easy, when only straight tube and bend pipe are formed, when also just saying that entire bilayer sleeve does not have branch, as shown in Figure 1, passing through phase
Adjacent two separate ring and entire bilayer sleeve are divided into multiple detection units, set ascending pipe 4 in one end of each detection unit, separately
One end is equipped with delivery pipe 5, and when surveying formula detection unit seal and soaking disinfection, gases at high pressure and thimerosal are injected from ascending pipe,
Gases at high pressure and thimerosal are discharged from delivery pipe；If entire bilayer sleeve is relative complex, it is made of straight tube, bend pipe and three-way pipe
When, to be separated out a detection unit, it is necessary to which multiple rings that separate are separated, and the detection unit after separating just has multiple
Port, using one of port as inlet, other ports as floss hole, this according to actual conditions (pipeline lay and
Execution conditions) it is laid, it no longer illustrates herein.
Cross-distribution is answered in the segmentation junction and the segmentation junction of outer layer protection casing of active-poison sewage discharge inner tube, therebetween
Gauge is determined from according to Specific construction environment.
The bilayer inner tube requires draining water (flow) direction, both current should by wherein one segmentation inner tube interior insertion short tube with
One end of segmentation inner tube main body connection is flowed in another segmentation inner tube, with reach current are unimpeded in pipeline, do not accumulate raffinate,
Reduce the risk because surprisingly causing to generate active-poison sewage leakage during the loosening of junction.
Claims (8)
1. a kind of bilayer sleeve for high-level prevention room discharge active-poison sewage, including discharging inner tube and outer layer sleeve,
Discharge inner tube is located in outer layer sleeve, it is characterised in that：Further include multiple inner tube supporting frames and patch short tube, each inner tube support
Frame body is located between discharge inner tube and outer layer sleeve, and each inner tube supporting frame is sequentially distributed along the axial direction of discharge inner tube, each interior
Pipe supporting frame radially can freely stretch along discharge inner tube, and the fixed part of each inner tube supporting frame is connected with discharge inner tube, each interior
The pars contractilis of pipe supporting frame is contacted with outer layer sleeve, and multiple patch short tubes are axially set in outer layer sleeve successively along outer layer sleeve
On, the first sealing ring is equipped between each patch short tube and outer layer sleeve.
2. the bilayer sleeve according to claim 1 for high-level prevention room discharge active-poison sewage, feature exists
In：The inner tube supporting frame includes multiple telescope supports, and multiple telescope supports are circumferentially uniformly distributed along discharge inner tube, stretch
Stent includes sleeve, spring and ball, sleeve one end open, and spring is located in sleeve, in one end of spring and sleeve seal end
Face center connects, and the other end is connected with ball, and the natural length of spring is less than the depth of sleeve, and a part for ball is located at set
Cylinder is outer, and each sleeve seal end outer surface is fixedly connected with discharge inner tube, and each ball is contacted with outer layer sleeve.
3. the bilayer sleeve according to claim 2 for high-level prevention room discharge active-poison sewage, feature exists
In：Multiple retainer rings are further included, retainer ring is equal with the number of inner tube supporting frame, axial direction of multiple retainer rings along discharge inner tube
Fixing sleeve is loaded in discharge inner tube successively, the sealed end outer surfaces of multiple sleeves on each inner tube supporting frame be individually fixed in
In its corresponding retainer ring.
4. the bilayer sleeve according to claim 3 for high-level prevention room discharge active-poison sewage, feature exists
In：The retainer ring is enclosed by elastic steel sheet, and the both ends of elastic steel sheet are bolted in discharge inner tube.
5. the bilayer sleeve according to claim 1 for high-level prevention room discharge active-poison sewage, feature exists
In：The outer layer sleeve is connected in sequence by multiple segmentation outer tubes, and segmentation outer tube is straight tube, three-way pipe or bend pipe, is segmented
Inner tube is reducer pipe, and in adjacent two segmentations outer tube, one end of one of segmentation outer tube is outer insertion short tube, another segmentation is outer
One end of pipe is outer access short tube, and connection is compressed in the outer outer access short tube of insertion short tube insertion and by high pressure mode, described
Inner layer sleeve is connected in sequence by multiple segmentation inner tubes, and segmentation inner tube is straight tube, three-way pipe or bend pipe, and segmentation inner tube is to become
Footpath is managed, and in adjacent two segmentations inner tube, one end of one of segmentation inner tube is interior insertion short tube, one end of another segmentation outer tube
For interior access short tube, interior insertion short tube insertion is interior to be accessed in short tube and compresses connection by high pressure mode.
6. the bilayer sleeve according to claim 5 for high-level prevention room discharge active-poison sewage, feature exists
In：Outer insertion short tube is equipped with the first internal projecting ring, and outer access short tube is equipped with the first external groove to match with the first internal projecting ring,
First internal projecting ring is located in the first external groove, and outer access short tube is equipped with the second sealing ring, and interior insertion short tube is equipped in second
Bulge loop, interior access short tube are equipped with the second external groove to match with the second internal projecting ring, and the second internal projecting ring is located at the second external groove
In, interior access short tube is equipped with the 3rd sealing ring.
7. the bilayer sleeve according to claim 6 for high-level prevention room discharge active-poison sewage, feature exists
In：One end and outer insertion short tube welding that outer access short tube is connected with outer insertion short tube, interior access short tube connect with interior insertion short tube
The one end connect and interior insertion short tube welding.
8. the bilayer sleeve for high-level prevention room discharge active-poison sewage according to claim 1-7 is any,
It is characterized in that：Ring is separated along axial be equipped with successively of inner layer sleeve between outer layer sleeve and inner layer sleeve, respectively separates the inner side edge of ring
Along and discharge inner tube be tightly connected, respectively separate the outer side edges of ring along and outer layer sleeve be tightly connected, it is adjacent it is more than two every
Open loop and outer layer sleeve and discharge inner tube form an independent sealed detection unit, set in each detection unit there are one ascending pipe
With more than one delivery pipe, inject in tube inlet and the outlet of each delivery pipe and be respectively equipped with sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078774.4A CN108105487B (en) | 2018-01-23 | 2018-01-23 | Double-layer sleeve for discharging live-poison wastewater in high-level protection laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078774.4A CN108105487B (en) | 2018-01-23 | 2018-01-23 | Double-layer sleeve for discharging live-poison wastewater in high-level protection laboratory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108105487A true CN108105487A (en) | 2018-06-01 |
| CN108105487B CN108105487B (en) | 2022-03-08 |
Family
ID=62221219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810078774.4A Active CN108105487B (en) | 2018-01-23 | 2018-01-23 | Double-layer sleeve for discharging live-poison wastewater in high-level protection laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108105487B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027473A (en) * | 2018-10-29 | 2018-12-18 | 江苏亿超工程塑料有限公司 | A kind of engineering plastics flange and its application easy to disassemble |
| CN109340486A (en) * | 2018-10-29 | 2019-02-15 | 江苏亿超工程塑料有限公司 | A kind of shock resistance engineering plastics flange easy to disassemble |
| CN113531233A (en) * | 2021-09-10 | 2021-10-22 | 江苏淮海新材料科技有限公司 | Industrial waste gas treatment pipe of convenient clearance |
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| US4357960A (en) * | 1977-03-24 | 1982-11-09 | Arthur S. Bittinger | Plumbing method and composition for use in same |
| US5033512A (en) * | 1989-02-14 | 1991-07-23 | Tuboscope Inc. | Replacement pipe section for a defective pipeline |
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| CN204879111U (en) * | 2015-08-27 | 2015-12-16 | 山西省交通科学研究院 | Resistant drain pipe that freezes |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109027473A (en) * | 2018-10-29 | 2018-12-18 | 江苏亿超工程塑料有限公司 | A kind of engineering plastics flange and its application easy to disassemble |
| CN109340486A (en) * | 2018-10-29 | 2019-02-15 | 江苏亿超工程塑料有限公司 | A kind of shock resistance engineering plastics flange easy to disassemble |
| CN113531233A (en) * | 2021-09-10 | 2021-10-22 | 江苏淮海新材料科技有限公司 | Industrial waste gas treatment pipe of convenient clearance |
| CN113531233B (en) * | 2021-09-10 | 2021-11-30 | 江苏淮海新材料科技有限公司 | Industrial waste gas treatment pipe of convenient clearance |
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