CN116877842A - Inflammable and explosive tail gas absorption pipeline - Google Patents

Inflammable and explosive tail gas absorption pipeline Download PDF

Info

Publication number
CN116877842A
CN116877842A CN202310731447.5A CN202310731447A CN116877842A CN 116877842 A CN116877842 A CN 116877842A CN 202310731447 A CN202310731447 A CN 202310731447A CN 116877842 A CN116877842 A CN 116877842A
Authority
CN
China
Prior art keywords
pipe
tail gas
protection inner
gas absorption
explosive
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.)
Withdrawn
Application number
CN202310731447.5A
Other languages
Chinese (zh)
Inventor
施吉梅
房新佐
李�杰
施大福
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.)
Jiangsu Shenda Pipe And Valve Fittings Co ltd
Original Assignee
Jiangsu Shenda Pipe And Valve Fittings 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 Jiangsu Shenda Pipe And Valve Fittings Co ltd filed Critical Jiangsu Shenda Pipe And Valve Fittings Co ltd
Priority to CN202310731447.5A priority Critical patent/CN116877842A/en
Publication of CN116877842A publication Critical patent/CN116877842A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/04Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The application discloses a flammable and explosive tail gas absorption pipeline which comprises a first outer layer pipe, a second outer layer pipe and a pipeline assembly, wherein the second outer layer pipe is fixedly arranged at the bottom of the first outer layer pipe, second connecting sleeves are fixedly arranged at the left side and the right side of the second outer layer pipe, and first connecting sleeves are fixedly arranged at the left side and the right side of the first outer layer pipe; the pipe assembly is located between the first outer pipe and the second outer pipe; the pipeline assembly comprises a first flame-proof and explosion-proof layer, a first protection inner pipe, a second flame-proof and explosion-proof layer, a second protection inner pipe, reinforcing ribs and connecting ribs, wherein the first flame-proof and explosion-proof layer is fixedly arranged on the inner side wall of the first outer layer pipe, and the first protection inner pipe is fixedly arranged on the inner side wall of the first flame-proof and explosion-proof layer. The inflammable and explosive tail gas absorption pipeline has the advantages that the strength of the tail gas absorption pipeline can be improved, the tail gas absorption pipeline can be disassembled and assembled, and the practicability is good.

Description

Inflammable and explosive tail gas absorption pipeline
Technical Field
The application relates to the technical field of pipelines, in particular to a flammable and explosive tail gas absorption pipeline.
Background
The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, and generally, after the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, the fluid flows from a high pressure position to a low pressure position of the pipeline, and the pressure or gravity of the fluid can be utilized for conveying the fluid, so that the pipeline has wide application and is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices.
The tail gas absorption pipeline on the market can be used for transmitting automobile tail gas, but the existing tail gas absorption pipeline is poor in strength, is often subjected to external impact or internal gas explosion, and can be broken, so that safety of surrounding people is threatened, the common tail gas absorption pipeline is of an integrated structure and cannot be disassembled and assembled, and when damaged, the common tail gas absorption pipeline is required to be completely replaced, so that waste is caused, and the flammable and explosive tail gas absorption pipeline is provided for solving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a flammable and explosive tail gas absorption pipeline which has the advantages of high strength, capability of being disassembled and assembled and the like, and solves the problems of poor strength and incapability of being disassembled and assembled.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a flammable and explosive tail gas absorption pipeline, includes first outer tube, second outer tube and pipeline assembly, second outer tube fixed mounting is in the bottom of first outer tube, the equal fixed mounting in the left and right sides of second outer tube has the second adapter sleeve, the equal fixed mounting in the left and right sides of first outer tube has first adapter sleeve.
The pipe assembly is located between the first and second outer pipes.
The pipeline assembly comprises a first flame-proof and explosion-proof layer, a first protection inner pipe, a second flame-proof and explosion-proof layer, a second protection inner pipe, reinforcing ribs and connecting ribs, wherein the first flame-proof and explosion-proof layer is fixedly installed on the inner side wall of a first outer pipe, the first protection inner pipe is fixedly installed on the inner side wall of the first flame-proof and explosion-proof layer, the second flame-proof and explosion-proof layer is fixedly installed on the inner side wall of the second outer pipe, the second protection inner pipe is fixedly installed on the inner side wall of the second flame-proof and explosion-proof layer, the number of the reinforcing ribs is fourteen, the reinforcing ribs are fixedly installed inside the second protection inner pipe and the first protection inner pipe, and the connecting ribs are fixedly installed between two adjacent reinforcing ribs inside the first protection inner pipe and the second protection inner pipe.
Further, the first alignment grooves are formed in the inner side walls of the first protection inner tube and the second protection inner tube, and the number of the first alignment grooves between the inner side walls of the first protection inner tube and the second protection inner tube is three.
Further, the first alignment grooves on the upper side and the lower side are connected with a filter ring in a clamping mode, and a filter element is fixedly installed in the filter ring.
Further, the third alignment grooves are formed in the inner sides of the first connecting sleeve and the second connecting sleeve, and convex rings are fixedly arranged on the inner side walls of the third alignment grooves on the upper side and the lower side.
Further, a second alignment ring is clamped between the third alignment grooves on the upper side and the lower side, and a connecting groove is formed in the middle of the outer side of the second alignment ring.
Further, the left and right sides of the inner side walls of the first protection inner pipe and the second protection inner pipe are provided with second alignment grooves, a first alignment ring is clamped between the second alignment grooves on the upper side and the lower side, and a sealing ring is fixedly arranged on the outer side of the first alignment ring.
Further, the second connecting pipe is fixedly arranged in the first alignment ring and the second alignment ring on the left side, and the first connecting pipe is fixedly arranged in the first alignment ring and the second alignment ring on the right side.
Further, the second connecting pipe penetrates between the first connecting sleeve and the second connecting sleeve on the left side and extends to between the first protection inner pipe and the second protection inner pipe, and the second connecting pipe penetrates between the first connecting sleeve and the second connecting sleeve on the right side and extends to between the first protection inner pipe and the second protection inner pipe.
Further, the left and right sides the front and back both sides of first adapter sleeve and first outer tube all fixed mounting have first connecting plate, the left and right sides the front and back both sides of second adapter sleeve and second outer tube all fixed mounting have the second connecting plate.
Further, all run through and be provided with fixing bolt between first connecting plate and the second connecting plate, fixing bolt's downside and lie in the below threaded connection of second connecting plate have fixation nut.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. the inflammable and explosive tail gas absorption pipeline can improve the strength of the tail gas absorption pipeline through the pipeline component, and prevent the tail gas absorption pipeline from cracking when being impacted by the outside or exploded by the inside gas.
2. This inflammable and explosive tail gas absorption pipeline, through first connecting plate, second connecting plate, fixing bolt, fixation nut, can separate fixing bolt and fixation nut through rotating fixation nut to cancel fixed with first connecting plate and second connecting plate, with its dismouting, prevented to cause extravagant.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a front view of the structure of the present application;
FIG. 3 is a right side cross-sectional view of a piping component of the present application;
FIG. 4 is an enlarged view of FIG. 1A of the structure of the present application;
fig. 5 is an enlarged view of B in fig. 1 of the structure of the present application.
In the figure: the novel anti-explosion device comprises a first aligning groove, a 2 filter ring, a 3 filter core, a 4 first connecting pipe, a 5 reinforcing rib, a 6 first protection inner pipe, a 7 first anti-explosion layer, an 8 first outer layer pipe, a 9 first connecting sleeve, a 10 sealing ring, a 11 second aligning groove, a 12 first aligning ring, a 13 connecting rib, a 14 convex ring, a 15 connecting groove, a 16 third aligning groove, a 17 second aligning ring, a 18 second outer layer pipe, a 19 fixing bolt, a 20 first connecting plate, a 21 second connecting plate, a 22 fixing nut, a 23 second connecting pipe, a 24 second protection inner pipe, a 25 second anti-explosion layer and a 26 second connecting sleeve.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-5, an inflammable and explosive tail gas absorbing pipe in this embodiment includes a first outer pipe 8, a second outer pipe 18 and a pipe assembly, the second outer pipe 18 is fixedly installed at the bottom of the first outer pipe 8, the second connecting sleeve 26 is fixedly installed at the left and right sides of the second outer pipe 18, the first connecting sleeve 9 is fixedly installed at the left and right sides of the first outer pipe 8, the third aligning grooves 16 are formed at the inner sides of the first connecting sleeve 9 and the second connecting sleeve 26, the convex rings 14 are fixedly installed at the inner side walls of the third aligning grooves 16 at the upper and lower sides, the second aligning rings 17 are clamped between the third aligning grooves 16 at the upper and lower sides, the connecting grooves 15 are formed at the middle of the outer sides of the second aligning rings 17, the second aligning grooves 11 are formed at the left and right sides of the inner side walls of the first protecting inner pipe 6 and the second protecting inner pipe 24, the first aligning rings 12 are clamped between the second aligning grooves 11, the outer sides of the first aligning rings 12 are fixedly installed at the outer sides of the first aligning rings 12, and finally, the first aligning rings 12 are fixedly installed at the inner sides of the second aligning rings 17 and the second connecting rings 17 are fixedly installed at the inner sides of the second aligning rings 17.
It should be added that the radii of the second connecting tube 23 and the first connecting tube 4 are the same, the radii of the first connecting sleeve 9 and the first outer tube 8 and the radii of the first outer tube 8 and the second outer tube 18 are the same, the first outer tube 8 and the second outer tube 18 are opposite, and the radii of the second outer tube 18 and the first outer tube 8 are larger than the radii of the second connecting tube 23 and the first connecting tube 4.
The pipe assembly is located between the first outer pipe 8 and the second outer pipe 18, wherein the second connecting pipe 23 penetrates between the left first connecting sleeve 9 and the second connecting sleeve 26 and extends between the first protective inner pipe 6 and the second protective inner pipe 24, the second connecting pipe 23 penetrates between the right first connecting sleeve 9 and the second connecting sleeve 26 and extends between the first protective inner pipe 6 and the second protective inner pipe 24, in addition, the front side and the rear side of the left first connecting sleeve 9 and the first outer pipe 8 are fixedly provided with the first connecting plate 20, the front side and the rear side of the left second connecting sleeve 26 and the second outer pipe 18 are fixedly provided with the second connecting plate 21, finally, the fixing bolt 19 penetrates between the first connecting plate 20 and the second connecting plate 21, and the lower side of the fixing bolt 19 is in threaded connection with the fixing nut 22 below the second connecting plate 21.
It is to be added that the number of the fixing bolts 19 is ten, the fixing bolts penetrate through the first connecting plates 20 arranged on the front side and the rear side respectively, the number of the first alignment grooves 1 and the number of the filter cores 3 are three, the filter cores 3 can filter tail gas to a certain extent, and the outer ring radius of the filter ring 2 is larger than that of the filter ring 2 and larger than that of the filter core 3.
The pipeline assembly comprises a first flame-proof and explosion-proof layer 7, a first protection inner pipe 6, a second flame-proof and explosion-proof layer 25, a second protection inner pipe 24, reinforcing ribs 5 and connecting ribs 13, wherein the first flame-proof and explosion-proof layer 7 is fixedly arranged on the inner side wall of a first outer pipe 8, the first protection inner pipe 6 is fixedly arranged on the inner side wall of the first flame-proof and explosion-proof layer 7, the second flame-proof and explosion-proof layer 25 is fixedly arranged on the inner side wall of a second outer pipe 18, the second protection inner pipe 24 is fixedly arranged on the inner side wall of the second flame-proof and explosion-proof layer 25, the number of the reinforcing ribs 5 is fourteen, the connecting ribs 13 are fixedly arranged between the second protection inner pipe 24 and the inner side of the first protection inner pipe 6, the connecting ribs 5 are fixedly arranged between the two adjacent reinforcing ribs 5 in the first protection inner pipe 6 and the second protection inner pipe 24, the first alignment grooves 1 are respectively arranged on the inner side walls of the first protection inner pipe 6 and the second protection inner pipe 24, the number of the first alignment grooves 1 between the inner side walls of the first protection inner pipe 6 and the second protection inner pipe 24 is three, the second alignment grooves 1 are respectively, the filter rings 2 are fixedly arranged between the first alignment grooves 1, and the filter rings 2 are fixedly arranged, and the filter cores are fixedly arranged inside the filter cores.
It should be added that the first anti-flaming and anti-explosion layer 7 is fixed to the first connecting sleeves 9 on the left side and the right side of the first protection inner tube 6, the second anti-flaming and anti-explosion layer 25 is fixed to the second connecting sleeves 26 on the left side and the right side of the second protection inner tube 24, the second protection inner tube 24 is connected to the second outer tube 18 through the second anti-flaming and anti-explosion layer 25, and the first outer tube 8 is connected to the first protection inner tube 6 through the first anti-flaming and anti-explosion layer 7.
The working principle of the embodiment is as follows:
this inflammable and explosive tail gas absorption pipeline, when using, can filter tail gas through filtering ring 2, filter core 3, and can strengthen tail gas absorption pipeline's intensity through first flame proof explosion-proof layer 7 and second flame proof explosion-proof layer 25, and can carry out further reinforcement to tail gas absorption pipeline through strengthening rib 5 and connecting rib 13, when preventing to receive outside striking or inside gas explosion, lead to the condition that tail gas absorption pipeline breaks, and when carrying out the dismouting, can separate fixation nut 22 and fixing bolt 19, then just can separate second connecting plate 21 and first connecting plate 20, thereby can carry out the dismouting and change, and can change the filter ring 2 and filter core 3 and clear up with the inside of first protection inner tube 6 and tail gas absorption pipeline, whole realization can improve tail gas absorption pipeline's intensity, and can carry out the dismouting, have fine practicality.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a flammable and explosive tail gas absorption pipeline, includes first outer tube (8), second outer tube (18) and pipeline subassembly, its characterized in that: the second outer layer pipe (18) is fixedly arranged at the bottom of the first outer layer pipe (8), the left side and the right side of the second outer layer pipe (18) are fixedly provided with second connecting sleeves (26), and the left side and the right side of the first outer layer pipe (8) are fixedly provided with first connecting sleeves (9);
the pipe assembly is located between a first outer pipe (8) and a second outer pipe (18);
the pipeline assembly comprises a first flame-proof explosion-proof layer (7), a first protection inner pipe (6), a second flame-proof explosion-proof layer (25), a second protection inner pipe (24), reinforcing ribs (5) and connecting ribs (13), wherein the first flame-proof explosion-proof layer (7) is fixedly installed on the inner side wall of a first outer pipe (8), the first protection inner pipe (6) is fixedly installed on the inner side wall of the first flame-proof explosion-proof layer (7), the second flame-proof explosion-proof layer (25) is fixedly installed on the inner side wall of a second outer pipe (18), the second protection inner pipe (24) is fixedly installed on the inner side wall of the second flame-proof layer (25), the number of the reinforcing ribs (5) is fourteen, and the first protection inner pipe (6) and the second protection inner pipe (24) are fixedly installed inside the second flame-proof explosion-proof layer (24) and the first protection inner pipe (6), and the connecting ribs (13) are fixedly installed between every two adjacent reinforcing ribs (5) inside.
2. A flammable and explosive tail gas absorption conduit as recited in claim 1, wherein: the inner side walls of the first protection inner pipe (6) and the second protection inner pipe (24) are provided with first alignment grooves (1), and the number of the first alignment grooves (1) between the inner side walls of the first protection inner pipe (6) and the second protection inner pipe (24) is three.
3. A flammable and explosive tail gas absorption conduit as recited in claim 2, wherein: the filter is characterized in that a filter ring (2) is clamped between the first alignment grooves (1) on the upper side and the lower side, and a filter element (3) is fixedly arranged in the filter ring (2).
4. A flammable and explosive tail gas absorption conduit as recited in claim 1, wherein: third alignment grooves (16) are formed in the inner sides of the first connecting sleeve (9) and the second connecting sleeve (26), and convex rings (14) are fixedly arranged on the inner side walls of the third alignment grooves (16) on the upper side and the lower side.
5. The flammable and explosive tail gas absorption pipe of claim 4, wherein: a second alignment ring (17) is clamped between the third alignment grooves (16) on the upper side and the lower side, and a connecting groove (15) is formed in the middle of the outer side of the second alignment ring (17).
6. The flammable and explosive tail gas absorption pipe of claim 5, wherein: second counterpoint recess (11) have all been seted up to the left and right sides of first protection inner tube (6) and second protection inner tube (24) inside wall, upper and lower both sides joint has first counterpoint ring (12) between second counterpoint recess (11), the outside fixed mounting of first counterpoint ring (12) has sealing washer (10).
7. The flammable and explosive tail gas absorption pipe of claim 6, wherein: the second connecting pipe (23) is fixedly arranged in the first alignment ring (12) and the second alignment ring (17) on the left side, and the first connecting pipe (4) is fixedly arranged in the first alignment ring (12) and the second alignment ring (17) on the right side.
8. A flammable and explosive tail gas absorption conduit as recited in claim 7, wherein: the second connecting pipe (23) penetrates through the space between the left first connecting sleeve (9) and the second connecting sleeve (26) and extends to the space between the first protection inner pipe (6) and the second protection inner pipe (24), and the second connecting pipe (23) penetrates through the space between the right first connecting sleeve (9) and the second connecting sleeve (26) and extends to the space between the first protection inner pipe (6) and the second protection inner pipe (24).
9. A flammable and explosive tail gas absorption conduit as recited in claim 1, wherein: the left and right sides both sides all fixed mounting has first connecting plate (20) around first adapter sleeve (9) and first outer tube (8), the left and right sides second adapter sleeve (26) all fixed mounting has second connecting plate (21) with the front and back both sides of second outer tube (18).
10. A flammable and explosive tail gas absorption conduit as recited in claim 9, wherein: fixing bolts (19) are arranged between the first connecting plate (20) and the second connecting plate (21) in a penetrating mode, and fixing nuts (22) are connected to the lower sides of the fixing bolts (19) and located below the second connecting plate (21) in a threaded mode.
CN202310731447.5A 2023-06-20 2023-06-20 Inflammable and explosive tail gas absorption pipeline Withdrawn CN116877842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310731447.5A CN116877842A (en) 2023-06-20 2023-06-20 Inflammable and explosive tail gas absorption pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310731447.5A CN116877842A (en) 2023-06-20 2023-06-20 Inflammable and explosive tail gas absorption pipeline

Publications (1)

Publication Number Publication Date
CN116877842A true CN116877842A (en) 2023-10-13

Family

ID=88263398

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310731447.5A Withdrawn CN116877842A (en) 2023-06-20 2023-06-20 Inflammable and explosive tail gas absorption pipeline

Country Status (1)

Country Link
CN (1) CN116877842A (en)

Similar Documents

Publication Publication Date Title
US6116817A (en) Hydrocarbon fuel piping system with a flexible inner pipe and an outer pipe
CN101874174A (en) Entry boot
CN103470908B (en) For the distance sleeve device of the in-service permanent reparation of submarine pipeline
US4127286A (en) Concentric pipe coupling
CN214248734U (en) Protection device for natural gas pipeline for transporting western gas and east gas
CN116877842A (en) Inflammable and explosive tail gas absorption pipeline
CN213271561U (en) Anti-leakage corrugated compensator
CN210398032U (en) Universal gas-liquid pressure gauge joint
CN210322605U (en) Hydraulic tool
CN211371563U (en) Liquid leakage-proof pipeline flange
CN109973719A (en) A kind of gas pipeline out through walls
CN214008468U (en) Combined buffer
CN215721694U (en) Protection device and pipeline device
CN219954582U (en) Solar hot water tank connecting pipe structure
CN210830404U (en) Wind power gear box with mechanical pump lubricating device
CN213144403U (en) Oil pipe protector for drilling platform
CN211649166U (en) Water seal overflow device for petrochemical torch water seal system
CN210135373U (en) Leakage repairing tool for pipeline
CN219994766U (en) Chemical pipeline flange protection casing
CN203549270U (en) Isolating-sleeve device for in-service permanent repairing of submarine pipeline
CN217234692U (en) Double-layer explosion-proof high-pressure oil pipe
CN217999828U (en) Pipeline structure for vacuum pump
CN216520222U (en) High-pressure rotary elbow
CN217441067U (en) A protector for inside fire control safety of exhaust duct
CN215904682U (en) FPSO sump oil water cabin injection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20231013

WW01 Invention patent application withdrawn after publication