CN211935238U - Building air-raid basement pressure measurement system - Google Patents

Building air-raid basement pressure measurement system Download PDF

Info

Publication number
CN211935238U
CN211935238U CN202020085707.8U CN202020085707U CN211935238U CN 211935238 U CN211935238 U CN 211935238U CN 202020085707 U CN202020085707 U CN 202020085707U CN 211935238 U CN211935238 U CN 211935238U
Authority
CN
China
Prior art keywords
pipe
bent pipe
wall
bent
straight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020085707.8U
Other languages
Chinese (zh)
Inventor
王圳锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Taitong Construction Co ltd
Original Assignee
Guangdong Taitong Construction Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Taitong Construction Co ltd filed Critical Guangdong Taitong Construction Co ltd
Priority to CN202020085707.8U priority Critical patent/CN211935238U/en
Application granted granted Critical
Publication of CN211935238U publication Critical patent/CN211935238U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The utility model relates to a building design field, concretely relates to building air defense basement pressure measurement system, including the airtight wall, by non-protection zone and the guard zone of airtight wall isolation formation, pass the buried pipe of airtight wall, weld in the airtight rib of buried pipe outside circumference direction, connect in the first return bend that the buried pipe is located non-protection zone, connect in the second return bend that the buried pipe is located the guard zone in advance, connect in the first straight tube of second return bend, connect in the third return bend of first straight tube, connect in the second straight tube of third return bend, connect in the coupling hose that the second straight tube deviates from third return bend one side, coupling hose end-to-end connection has the tilting micromanometer. The utility model discloses can measure each item parameter of ventilation process, and corrosion resisting ability is strong, the leakproofness is good, the potential safety hazard is little.

Description

Building air-raid basement pressure measurement system
Technical Field
The utility model relates to a building design field especially relates to building air defense basement pressure measurement system.
Background
Along with the process of urbanization, more and more civil defense projects are put into construction, and the civil defense projects can be used as spaces for storing and storing vehicles at ordinary times, even as operating places and the like. In wartime or disaster occurrence, the functions of air attack prevention, disaster resistance and disaster relief are required. Civil defense projects need to be capable of keeping good ventilation at ordinary times so as to ensure the health of personnel. When air attack occurs, poison filtering and ventilation are needed; isolated ventilation is required when a biochemical weapon or nuclear bomb is encountered.
Civil air defense engineering wartime ventilation is also called protective ventilation, and when ventilation is carried out, the pressure passing through a ventilation pipeline needs to be monitored so as to prevent risks caused by overlarge pressure in the pipeline, and meanwhile, the air volume is convenient to control, and the wartime ventilation efficiency is improved. But because the gaseous composition is comparatively complicated in the time of war contamination district, lead to the air pipe to corrode, life is short, simultaneously, because the leakproofness problem of pipeline installation, there is gas leakage scheduling problem to cause the measuring result inaccurate.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can measure each item parameter of ventilation process, and corrosion resisting ability is strong, the leakproofness is good, the little building air defense basement pressure measurement system of potential safety hazard.
The utility model adopts the technical proposal that: the building air defense basement pressure measuring system comprises a sealing wall, a non-protection area and a protection area which are formed by being separated by the sealing wall, an embedded pipe which penetrates through the sealing wall, a sealing rib which is welded on the peripheral direction of the outer side of the embedded pipe, a first bent pipe which is connected with the embedded pipe and is positioned in the non-protection area, a second bent pipe which is connected with the embedded pipe and is positioned in the protection area, a first straight pipe which is connected with the second bent pipe, a third bent pipe which is connected with the first straight pipe, a second straight pipe which is connected with the third bent pipe, and a connecting hose which is connected with the second straight pipe and is far away from one side of the third bent pipe, wherein the tail; the first bent pipe, the pre-buried pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe are connected through flange plates; a plug valve is arranged on the second straight pipe; a sealing rubber pad is arranged in the flange plate; the first bent pipe, the pre-buried pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe respectively comprise a steel plate layer and red lead anti-rust paint layers coated on the inner surface and the outer surface of the steel plate layer, and the thickness of the steel plate layer is 3 mm; the connecting hose comprises a stainless steel corrugated pipe, a polytetrafluoroethylene inner lining layer arranged on the inner wall of the stainless steel corrugated pipe and a rubber protective layer coated on the outer wall of the stainless steel corrugated pipe, wherein a plurality of flow guide grooves are axially formed in the inner wall of the polytetrafluoroethylene inner lining layer, and circular micro pits are uniformly formed in the surface of the inner wall of the polytetrafluoroethylene inner lining layer; the equidistance is provided with the protruding fixed part of annular on the outer wall of tetrafluoro inside lining, the protruding fixed part of annular cooperates closely with nonrust corrugated steel pipe.
The further improvement to the above technical scheme is that 12 threaded holes are formed in the flange plate, the 12 threaded holes are uniformly distributed in the flange plate, the included angle between every two adjacent threaded holes is 30 degrees, and 12 bolts penetrate through the threaded holes to realize connection between the first bent pipe, the pre-buried pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe.
The technical scheme is further improved in that the embedded pipe and the closed rib are welded in a full-length welding mode.
The technical scheme is further improved in that the width of the closed ribs is one fifth of the diameter of the embedded pipe.
The utility model has the advantages that:
1. on the one hand, the utility model discloses a pressure measurement system is equipped with a plurality of return bends and straight tube, can make up straight tube and return bend, coupling hose according to the demand of in-service use occasion, changes ventilation direction, convenient to use. In the second aspect, the first bent pipe, the pre-buried pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe are connected through the flange plate, the sealing rubber pad is arranged in the flange plate, the sealing performance of the joint of the pipelines is improved through the sealing rubber pad, leakage is reduced, the pressure measuring result is more accurate, and potential safety hazards caused by gas leakage are reduced. In the third aspect, the first bent pipe, the embedded pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe respectively comprise a steel plate layer and red lead anti-rust paint layers coated on the inner surface and the outer surface of the steel plate layer, the thickness of the steel plate layer is 3mm, the red lead anti-rust paint layers can effectively prevent the pipeline from being corroded, the service life is long, and the potential safety hazard is small. In the fourth aspect, the hose comprises a stainless steel corrugated pipe, a polytetrafluoroethylene inner lining layer arranged on the inner wall of the stainless steel corrugated pipe, and a rubber protective layer coated on the outer wall of the stainless steel corrugated pipe, wherein a plurality of flow guide grooves are axially arranged on the inner wall of the polytetrafluoroethylene inner lining layer, circular micro-pits are uniformly arranged on the surface of the inner wall of the polytetrafluoroethylene inner lining layer, the stainless steel corrugated pipe is selected as a main body of the hose, the mechanical strength is high, the polytetrafluoroethylene inner lining layer on the inner wall can effectively prevent the corrugated pipe from being corroded, the external rubber protective layer plays a role in protection, the service life of the hose is prolonged, the circular micro-pits are uniformly arranged on the surface of the inner wall of the polytetrafluoroethylene inner lining layer, a gas isolation layer is formed between the inner wall and gas flow during gas conveying, the scouring wear of the gas flow to the inner wall is reduced, and the service life of, the measurement accuracy is further improved. In the fifth aspect, the equidistance is provided with the protruding fixed part of annular on the outer wall of tetrafluoro inner liner, the protruding fixed part of annular cooperates closely with nonrust corrugated steel pipe for tetrafluoro inner liner and nonrust corrugated steel pipe connect more stably, and whole coupling hose's mechanical properties is better, long service life, and coupling hose's leakproofness is stronger, reduces the potential safety hazard that gas leakage caused.
2. 12 screw holes have been seted up on the ring flange, and 12 screw hole evenly distributed are on the ring flange, and the contained angle between the adjacent screw hole is 30, bolt and screw hole seamless connection, and the center connection line of 12 screw holes is divided into four groups, and every group is 2 mutually perpendicular for first return bend, pre-buried pipe, second return bend, first straight tube, connection between third return bend and the second straight tube are more stable, and leak protection gas effect is better, has further reduced the potential safety hazard of gas leakage.
3. The width of airtight rib is one fifth of buried pipe diameter in advance, and airtight rib is fixed effectual to the buried pipe in advance, has increased the utility model discloses the stability of structure effectively prevents the gas leakage that structural damage and caused, and the potential safety hazard is little.
4. The embedded pipe and the closed rib are welded in a full-welding mode, a full-welding structure is adopted, no gap is generated between the embedded pipe and the closed rib, air leakage is prevented, and potential safety hazards are small.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the flange plate of the present invention;
fig. 3 is a schematic structural view of the connection hose of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the structure schematic diagram of the present invention and the structure schematic diagram of the flange plate are shown.
Building air defense basement pressure measurement system 10, its characterized in that: the pressure-resistant wall comprises a sealing wall 100, a non-protection area 200 and a protection area 300 which are separated by the sealing wall 100, a pre-buried pipe 110 penetrating through the sealing wall 100, a sealing rib 120 welded to the outer side of the pre-buried pipe 110 in the circumferential direction, a first bent pipe 130 connected to the pre-buried pipe 110 and positioned in the non-protection area 200, a second bent pipe 140 connected to the pre-buried pipe 110 and positioned in the protection area 300, a first straight pipe 150 connected to the second bent pipe 140, a third bent pipe 160 connected to the first straight pipe 150, a second straight pipe 170 connected to the third bent pipe 160, and a connecting hose 180 connected to one side, away from the third bent pipe 160, of the second straight pipe 170, wherein the tail end of the connecting hose 180 is connected with an inclined; the first bent pipe 130, the pre-buried pipe 110, the second bent pipe 140, the first straight pipe 150, the third bent pipe 160 and the second straight pipe 170 are all connected through a flange 400; a plug valve 171 is arranged on the second straight pipe 170; a sealing rubber pad is arranged in the flange plate 400; the first bent pipe 130, the pre-buried pipe 110, the second bent pipe 140, the first straight pipe 150, the third bent pipe 160 and the second straight pipe 170 all comprise a steel plate layer and red lead anti-rust paint layers coated on the inner surface and the outer surface of the steel plate layer, and the thickness of the steel plate layer is 3 mm.
As shown in fig. 3, is a schematic structural diagram of the connection hose of the present invention.
The connecting hose 180 comprises a stainless steel corrugated pipe 181, a tetrafluoro lining layer 182 arranged on the inner wall of the stainless steel corrugated pipe 181, and a rubber protective layer 183 coated on the outer wall of the stainless steel corrugated pipe 181, wherein a plurality of flow guide grooves 184 are axially arranged on the inner wall of the tetrafluoro lining layer 182, and circular micro pits are uniformly arranged on the surface of the inner wall of the tetrafluoro lining layer 182; annular protrusion fixing parts 185 are equidistantly arranged on the outer wall of the tetrafluoro lining layer 182, supporting rings 186 are arranged in the annular protrusion fixing parts 185, and the annular protrusion fixing parts 185 are closely matched with the stainless steel corrugated pipe 181.
On the one hand, the utility model discloses a pressure measurement system 10 is equipped with a plurality of return bends and straight tube, can make up straight tube and return bend, coupling hose 180 according to the demand of in-service use occasion, changes ventilation direction, convenient to use. In the second aspect, the first bent pipe 130, the pre-buried pipe 110, the second bent pipe 140, the first straight pipe 150, the third bent pipe 160 and the second straight pipe 170 are all connected through the flange 400, and a sealing rubber gasket is arranged in the flange 400, so that the sealing performance of the joint of the pipelines is improved through the sealing rubber gasket, the leakage is reduced, the pressure measurement result is more accurate, and the potential safety hazard caused by gas leakage is reduced. In the third aspect, the first bent pipe 130, the pre-buried pipe 110, the second bent pipe 140, the first straight pipe 150, the third bent pipe 160 and the second straight pipe 170 all comprise a steel plate layer and red lead anti-rust paint layers coated on the inner surface and the outer surface of the steel plate layer, the thickness of the steel plate layer is 3mm, the red lead anti-rust paint layers can effectively prevent the pipeline from being corroded, the service life is long, and the potential safety hazard is small. In the fourth aspect, the hose comprises a stainless steel corrugated pipe 181, a tetrafluoro lining layer 182 arranged on the inner wall of the stainless steel corrugated pipe 181, and a rubber protective layer 183 covering the outer wall of the stainless steel corrugated pipe 181, wherein a plurality of flow guide grooves 184 are axially arranged on the inner wall of the tetrafluoro lining layer 182, circular micro pits are uniformly arranged on the surface of the inner wall of the tetrafluoro lining layer 182, the stainless steel corrugated pipe 181 is selected as a main body of the connecting hose 180, the mechanical strength is high, the tetrafluoro lining layer 182 on the inner wall can effectively prevent the corrugated pipe from being corroded, the outer rubber protective layer 183 has a protective effect and prolongs the service life of the corrugated pipe, the flow guide grooves 184 are arranged, so that gas generates small turbulence disturbance in the conveying process, the measurement precision is high, meanwhile, the circular micro pits are uniformly arranged on the surface of the inner wall of the tetrafluoro lining layer 182, a gas isolation, effectively prolong the life of pipeline, further improved measurement accuracy. In the fifth aspect, the outer wall of the tetrafluoro lining layer 182 is provided with annular protruding fixing portions 185 at equal intervals, the annular protruding fixing portions 185 are closely matched with the stainless steel corrugated pipe 181, so that the tetrafluoro lining layer 182 and the stainless steel corrugated pipe 181 are connected more stably, the mechanical performance of the whole connecting hose 180 is better, the service life is long, the sealing performance of the connecting hose 180 is stronger, and the potential safety hazard caused by air leakage is reduced.
Seted up 12 screw holes 410 on the ring flange 400, and 12 screw hole 410 evenly distributed are on ring flange 400, the contained angle between adjacent screw hole 410 is 30, bolt and screw hole 410 seamless connection, 12 screw hole 410's central line, divide into four groups, every group is 2 mutually perpendicular, make first return bend 130, pre-buried pipe 110, second return bend 140, first straight tube 150, the connection between third return bend 160 and the second straight tube 170 is more stable, the leak protection gas effect is better, the potential safety hazard of gas leakage has further been reduced.
The width of airtight rib 120 is one fifth of pre-buried pipe 110 diameter, and airtight rib 120 is effectual to pre-buried pipe 110's fixed, has increased the utility model discloses the stability of structure effectively prevents the gas leakage that the structural damage caused, and the potential safety hazard is little.
The pre-buried pipe 110 and the closed rib 120 are welded in a full-welding mode, a full-welding structure is adopted, no gap is generated between the pre-buried pipe 110 and the closed rib 120, air leakage is prevented, and potential safety hazards are small.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (4)

1. Building air defense basement pressure measurement system, its characterized in that: the device comprises a sealing wall, a non-protection area and a protection area which are separated by the sealing wall, an embedded pipe which penetrates through the sealing wall, a sealing rib which is welded on the outer side of the embedded pipe in the circumferential direction, a first bent pipe which is connected with the embedded pipe and is positioned in the non-protection area, a second bent pipe which is connected with the embedded pipe and is positioned in the protection area, a first straight pipe which is connected with the second bent pipe, a third bent pipe which is connected with the first straight pipe, a second straight pipe which is connected with the third bent pipe, and a connecting hose which is connected with the second straight pipe and is far away from one side of the third bent pipe, wherein the tail end; the first bent pipe, the pre-buried pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe are connected through flange plates; a plug valve is arranged on the second straight pipe; a sealing rubber pad is arranged in the flange plate; the first bent pipe, the pre-buried pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe respectively comprise a steel plate layer and red lead anti-rust paint layers coated on the inner surface and the outer surface of the steel plate layer, and the thickness of the steel plate layer is 3 mm; the connecting hose comprises a stainless steel corrugated pipe, a polytetrafluoroethylene inner lining layer arranged on the inner wall of the stainless steel corrugated pipe and a rubber protective layer coated on the outer wall of the stainless steel corrugated pipe, wherein a plurality of flow guide grooves are axially formed in the inner wall of the polytetrafluoroethylene inner lining layer, and circular micro pits are uniformly formed in the surface of the inner wall of the polytetrafluoroethylene inner lining layer; the equidistance is provided with the protruding fixed part of annular on the outer wall of tetrafluoro inside lining, the protruding fixed part of annular cooperates closely with nonrust corrugated steel pipe.
2. The building air defense basement pressure measurement system according to claim 1, characterized in that: 12 threaded holes are formed in the flange plate, the 12 threaded holes are evenly distributed in the flange plate, the included angle between every two adjacent threaded holes is 30 degrees, and 12 bolts penetrate through the threaded holes to achieve connection among the first bent pipe, the pre-buried pipe, the second bent pipe, the first straight pipe, the third bent pipe and the second straight pipe.
3. The building air defense basement pressure measurement system according to claim 2, characterized in that: and the embedded pipe and the closed rib are welded by full welding.
4. The building air defense basement pressure measurement system according to claim 2, characterized in that: the width of the closed ribs is one fifth of the diameter of the embedded pipe.
CN202020085707.8U 2020-01-15 2020-01-15 Building air-raid basement pressure measurement system Active CN211935238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020085707.8U CN211935238U (en) 2020-01-15 2020-01-15 Building air-raid basement pressure measurement system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020085707.8U CN211935238U (en) 2020-01-15 2020-01-15 Building air-raid basement pressure measurement system

Publications (1)

Publication Number Publication Date
CN211935238U true CN211935238U (en) 2020-11-17

Family

ID=73172869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020085707.8U Active CN211935238U (en) 2020-01-15 2020-01-15 Building air-raid basement pressure measurement system

Country Status (1)

Country Link
CN (1) CN211935238U (en)

Similar Documents

Publication Publication Date Title
US5452922A (en) Elbow fittings with expanded outer annulus space for double-containment assemblies
EP1373853B1 (en) Arrangement at a pipe flange seal
CN211935238U (en) Building air-raid basement pressure measurement system
BR112019011778A2 (en) flammable liquid flange gasket assembly
EP3555516B1 (en) Expansion joint fitting for flammable liquid
US3537729A (en) Expansion joint for pipe
CN214579434U (en) Pipe end connecting structure of bimetal metallurgy composite pipe
CN214951999U (en) LNG pipeline flange leakage protection and detection device
CN111656075A (en) Flange assembly
CN211371560U (en) Prevent chemical pipeline of leakage
CN108443617B (en) Rotary joint device for liquid delivery
CN110822216A (en) Flange cover and using method thereof
CN211951912U (en) Anti-corrosion pipeline connecting structure
CN219933297U (en) Wear-resistant corrosion-resistant stainless steel composite ceramic three-way pipe
CN215335120U (en) Anti-shearing 3PE (polyethylene) anticorrosive steel-plastic adapter
CN212868856U (en) Embedded pressure-resistant corrosion-resistant connecting flange structure
CN215635560U (en) Pipeline inside lining port alloy protective ring
CN217502881U (en) Industrial corrosion-resistant composite pipe
CN110848484A (en) Leak-proof fastening flange plate
CN214274819U (en) Metal seal ring gasket with leakage detection function
CN208670053U (en) High temperature and pressure fire-proof insulation gasket seal
CN219933272U (en) Gas drainage pipe for coal mine
JP7372804B2 (en) pipe joint structure
CN220668660U (en) Anti-static anti-corrosion steel pipe
CN220749366U (en) Flange sealing assembly for coking oil gas pipeline

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant