CN102535929B - Box type maritime work positive pressure explosion-proof room - Google Patents
Box type maritime work positive pressure explosion-proof room Download PDFInfo
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- CN102535929B CN102535929B CN 201210022409 CN201210022409A CN102535929B CN 102535929 B CN102535929 B CN 102535929B CN 201210022409 CN201210022409 CN 201210022409 CN 201210022409 A CN201210022409 A CN 201210022409A CN 102535929 B CN102535929 B CN 102535929B
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Abstract
The invention provides a box type maritime work positive pressure explosion-proof room, which comprises an upper framework and a lower framework, wherein the upper framework and the lower framework are connected through corner posts, the upper framework and the lower framework are respectively formed by transverse beams and vertical beams through mutual butt joint, the corner posts, the transverse beams and the vertical beams are respectively steel pipes, a lifting mechanism is also arranged on the upper framework and comprises two lifting lug transverse beams arranged between the two vertical beams of the upper framework, the lifting lug transverse beams are connected with the vertical beams through welding, in addition, the installation is formed at the connecting part, a lifting lug device is arranged in an installing space and comprises lifting lug seats welded with the lifting lug transverse beams and the vertical beams, lifting lugs are fixedly arranged on the lifting lug seats, and lifting lug upright posts are also welded between the lifting lugs and the vertical beams arranged on the lower framework and are used for supporting the lifting lugs. The explosion-proof room provided by the invention has the advantages that the structural intensity is high, and the explosion-proof room can adapt to the use requirement under the work conditions of the maritime petroleum drilling platforms.
Description
Technical field
The present invention relates to the explosion-proof house technology, relate in particular to a kind of box type maritime work positive pressure explosion-proof room.
Background technology
Explosion-proof house is the antiknock device that is widely used in the dangerous operation scenes such as oil drilling, and it has airtight, fire prevention and explosion-proof characteristics, to guarantee the person and the device security in Petroleum Production.
At present, main body frame in the explosion-proof house used on offshore drilling platforms, main load-supporting part is to be made by compacting shaped steel and prefabricated shaped steel (i iron or channel-section steel), this main body frame adopts the explosion-proof house of compacting shaped steel and prefabricated shaped steel, the quality weight, manufacture and packaging technology difficulty are larger, and structural strength is poor, can't meet and have more high-gradely, for example offshore oil creeps into the requirement of explosion proof in 0 class dangerous work zone of platform.And, in existing explosion-proof house, because adopting the standard container standard, makes main body frame, hoisting structure is all to adopt the hanging apparatus that one group of standard container corners forms is installed on the top of main body frame, during due to marine explosion-proof house work, at sea under the unrestrained impact with gushing, explosion-proof house can produce serious waving usually, even collision, the power that causes hanging apparatus structure place to be born is very large, and it is existing by the hoisting structure of installation code corner fittings on framework, because standard corner fitting is the cast steel manufacture, its structure is not the offshore drilling platforms operating condition design, shock resistance is lower, intensity and the rigidity of standard corner fitting hanging apparatus and rigging shackle joint are lower, it is the weakest link of general frame, while making the explosion-proof house lifting, easily the joint at standard corner fitting and rigging produces damage, can affect the safety of hoisting process when serious.
To sum up, existing explosion-proof house quality is heavy, frame construction intensity is low, causes the bulk strength of explosion-proof house lower; Simultaneously, the hanging apparatus that the standard corner fitting on explosion-proof house forms, cause the structural strength of hanging apparatus and rigging joint lower, in sea work industry, security incident easily occurs.
Summary of the invention
The invention provides a kind of box type maritime work positive pressure explosion-proof room, the quality that can effectively solve existing explosion-proof house existence weighs, intensity is low, and the problem of hoisting mechanism poor safety performance.
The invention provides a kind of box type maritime work positive pressure explosion-proof room, comprise cube shaped framework, described cube shaped framework comprises: upper frame and underframe connect by corner post between described upper frame and underframe; Described upper frame and underframe mutually dock and form by crossbeam, longeron, and described corner post, crossbeam and longeron are steel pipe, and described steel pipe is square steel pipe or rectangular steel pipe, and the mutual joint of each steel pipe is fixedly connected by welding; The Nodes of each steel pipe docking arranges the U-shaped node reinforcing of wedge-like, for the join domain of troclia dot structure, increases the structural strength of corner node;
Also be provided with hoisting mechanism on described upper frame, described hoisting mechanism comprises:
Be arranged on 2 hanger crossbeams between two longerons of described upper frame, described hanger crossbeam and longeron are by being welded to connect, form installing space in junction, and the symmetrical center line between two crossbeams of the symmetrical center line of described 2 hanger crossbeams and described upper frame overlaps;
Be provided with lifting lug device in described installing space, described lifting lug device comprises and the lifting eye seat of described hanger crossbeam and longitudinal beam welding, on described lifting eye seat, is installed with hanger;
Also be welded with the hanger column between longeron on described lifting lug device and described underframe, for supporting described lifting lug device, and by lifting lug device and the cube frame structure that holds together;
Described hanger embeds in described hanger column from end through described lifting eye seat, for increasing the join domain between described hoisting mechanism and cube shaped framework, increases the overall construction intensity of hoisting mechanism.
Box type maritime work positive pressure explosion-proof room provided by the invention, form cube shaped framework by adopting square steel pipe or rectangular steel pipe mutually to dock welding, make the structure of cube shaped framework more optimize, quality is light, there is higher structural strength, can effectively meet the explosion-proof needs of explosion-proof house; Technical solution of the present invention is on upper frame, in the installing space in hanger crossbeam and the formation of longeron joint, the welding lifting lug device, make lifting lug device and upper frame become one structure, power supporting capacity in the time of can effectively improving the explosion-proof house lifting, the safety and reliability of raising explosion-proof house charge and discharge operations.Box type maritime work positive pressure explosion-proof room provided by the invention can adapt to the instructions for use under the offshore drilling platforms operating mode.
The accompanying drawing explanation
The explosion-proof house frame construction drawing that Fig. 1 provides for the embodiment of the present invention;
The enlarged drawing that Fig. 2 is I place in Fig. 1;
The structure chart that Fig. 3 is upper frame in the embodiment of the present invention;
The structure chart that Fig. 4 is underframe in the embodiment of the present invention;
The enlarged drawing that Fig. 5 is II place in Fig. 1;
Structure chart when Fig. 6 is the lifting of embodiment of the present invention explosion-proof house;
The stressed decomposing schematic representation of the top view that Fig. 7 is explosion-proof house in Fig. 6 and explosion-proof house;
The functional regional division schematic diagram of the explosion-proof house that Fig. 8 provides for the embodiment of the present invention;
The three-dimensional structure diagram that Fig. 9 is a side of embodiment of the present invention explosion-proof house;
The three-dimensional structure diagram that Figure 10 is embodiment of the present invention explosion-proof house another side.
The specific embodiment
The box type maritime work positive pressure explosion-proof room frame construction drawing that Fig. 1 provides for the embodiment of the present invention; The enlarged drawing that Fig. 2 is I place in Fig. 1; The structure chart that Fig. 3 is upper frame in the embodiment of the present invention; The structure chart that Fig. 4 is underframe in the embodiment of the present invention.As Figure 1-Figure 4, the present embodiment explosion-proof house comprises: cube shaped framework 1, and this cube shaped framework 1 comprises upper frame 11 and underframe 12, between upper frame 11 and underframe 12, by corner post 13, connects; Upper frame 11 and underframe 12 mutually dock and form by crossbeam 14, longeron 15, and corner post 13, crossbeam 14 and longeron 15 are steel pipe, and this steel pipe is square steel pipe or rectangular steel pipe; The mutual joint of each steel pipe is fixedly connected by welding; Four ends of upper frame 11 are formed with respectively drift angle node 16, and this drift angle node 16 is the hole structure as the steel pipe of corner post 13.
In the present embodiment, the material of above-mentioned steel pipe is low-alloy high-strength square steel pipe or rectangular steel pipe, with tradition, adopt compacting shaped steel to compare with the explosion-proof house agent structure that prefabricated shaped steel forms, the explosion-proof house agent structure that square steel pipe and rectangular steel pipe form has better cross section mechanical property, quality is light, under the condition of equal quality and specification, utilize the explosion-proof house that square steel pipe and rectangular steel pipe are made can carry larger load.In the present embodiment, after each steel-pipe welding, can adopt the nondestructive inspection means to detect welding quality, to guarantee welding quality, meet code requirement, guarantee the integrally-built strength and stability of cube shaped framework, guarantee the reliability of explosion-proof house work.
In the present embodiment, as depicted in figs. 1 and 2, drift angle node 16 on explosion-proof house forms at crossbeam and the longeron joint of upper frame 1, hole structure for steel pipe, simultaneously, for improving the intensity at drift angle node 16 places, can weld at these drift angle node 16 places the U-shaped node reinforcing 17 of a plurality of wedge-likes, but the join domain of troclia dot structure, the structural strength of increase corner node.Can find out, while by the employing butt welding of steel tube, connecing the cube shaped framework 1 of formation, can be directly at crossbeam and the longeron joint of upper frame 11, form drift angle node 16, for the standard corner fitting that cast steel is set with respect to existing explosion-proof house, simplified the structure of drift angle node, and drift angle node 16 is the integrative-structure that same material is welded with cube shaped framework 1, can effectively improve the welding region crystalline structure, the mechanical property of weld seam significantly improves, thereby improved the impact resistance of drift angle Nodes corner structure, can effectively improve the whole anticollision performance of whole cube shaped framework, also reduced the quality of cube shaped framework.
In the present embodiment, this cube shaped frame construction can be born separately maximum 15000kg load and extraneous destructive power under hazardous zone 0 and marine bad working environments, and can, by finite element analysis, meet the safety requirements of offshore drilling platforms operation.Wherein, finite element analysis is the indispensable important means of the current industrial products anti-explosion product that particularly security performance is had relatively high expectations design.The explosion-proof house of the cube shaped framework that the present embodiment provides, the finite element analysis authentication of the third-party institution " Norske Veritas " that can be by tool authority that generally acknowledge for international explosion-proof field,, this explosion-proof house can have the anti-explosion safety grade of current world highest level.
In the present embodiment, as shown in Figure 1, Figure 3 and Figure 4 shown in, upper frame 11 is the rectangular frames that formed by upper longerons 151 docking of 2 top rails 141 and 2; Underframe 12 is by 2 lower transverse beams 142 and 2 rectangular frames that lower longeron 152 docking form; Four ends of upper frame 11 and underframe 12 are connected by corner post 13 respectively.
In the present embodiment, as shown in Figure 1, at least be provided with 2 corner posts 13 and 2 hanger columns 203 between the upper longeron 151 of the same side and lower longeron 152, like this, by a plurality of column connectors are set, can effectively improve the intensity of whole cube shaped framework 1 structure.In the present embodiment, as shown in Figure 3 and Figure 4, also be connected with the tie-beam of a plurality of booster actions between 2 upper longerons 151 of upper frame 11; Also be connected with a plurality of tie-beams of booster action between 2 lower longerons 152 of underframe 12, thereby can have made upper frame 11 and underframe 12 there is higher power supporting capacity.
In the present embodiment, as shown in Figure 1, all be welded with the U-shaped node reinforcing 17 of wedge-like at each steel pipe joint as corner post, crossbeam and longeron, thereby can improve each steel pipe switching performance each other, improve the bulk strength of frame construction.
In the present embodiment, the chassis body of explosion-proof house is for forming by adopting square steel pipe or rectangular steel pipe to be welded to each other, can effectively alleviate the quality of explosion-proof house, improve the structural strength of explosion-proof house, there is structure optimization, advantage easy to assembly simultaneously, can effectively improve the safety and reliability that explosion-proof house is used, the present embodiment explosion-proof house can be applicable on offshore drilling platforms, as positive-pressure explosion-proof house, can effectively meet explosion-proof, fire prevention and the safety loading requirement of offshore drilling platforms.
The enlarged drawing that Fig. 5 is II place in Fig. 1; Structure chart when Fig. 6 is the lifting of embodiment of the present invention explosion-proof house; Stressed decomposing schematic representation when the top view that Fig. 7 is explosion-proof house in Fig. 6 and explosion-proof house handling.In the present embodiment, as shown in Fig. 1, Fig. 5 and Fig. 6, also be provided with hoisting mechanism on upper frame 11, this hoisting mechanism comprises: be arranged on 2 hanger crossbeams 19 between two longerons of upper frame 11, hanger crossbeam 19 and longeron are by being welded to connect, and form installing space in junction, and the symmetrical center line A between two crossbeams of the symmetrical center line of 2 hanger crossbeams and upper frame 11 overlaps; In the installing space formed in hanger crossbeam 19 and longeron junction, be provided with lifting lug device 20, this lifting lug device 20 comprises the lifting eye seat 201 with hanger crossbeam and longitudinal beam welding, on this lifting eye seat 201, is installed with hanger 202; Also be welded with hanger column 203 between longeron on lifting lug device and underframe 12, for supporting lifting lug device, make lifting lug device and cube shaped framework become one structure, particularly, hanger 202 embeds in hanger column 203 from end through lifting eye seat 201, with the join domain for increasing between hoisting mechanism and cubic type framework, increase the overall construction intensity of hoisting mechanism.In the present embodiment, in hoisting mechanism, lifting lug device is weldingly fixed in the space of the mutual joint formation of longeron, hanger crossbeam and hanger column, makes lifting lug device and cube shaped framework become one structure; Simultaneously, booster action by hanger crossbeam, hanger column and longeron and the U-shaped node reinforcing of wedge-like, make lifting lug mechanism there is good structure and abundant intensity, there is stronger power ability to bear, be particularly suitable for applying in the operation under oil drilling platform environment at sea, can effectively improve the safety and reliability of marine explosion-proof house lifting operation.
In the present embodiment, as shown in Figure 1, the longeron 15 on upper frame 11 is to be connect and formed by the multistage butt welding of steel tube, thereby can be at the Nodes of steel pipe docking, dock welding with hanger crossbeam 19 and hanger column 203, and form installing space at Nodes, so that lifting lug device 20 to be installed.
In the present embodiment, as shown in Fig. 1, Fig. 3 and Fig. 5, lifting eye seat 201 is weldingly fixed in the space of hanger crossbeam 19 and the 151 joints formation of upper longeron, hanger 202 is welded on lifting eye seat 201, and lower end is embedded on the hanger column, thereby make lifting lug device 20 and upper frame 11 become one structure, can effectively improve the overall structure performance of whole explosion-proof house.
In the present embodiment, as shown in Figure 5, hanger 202 can comprise hanger body 2021, is provided with hanger hole 2022 on hanger body 2021, and is positioned at 4 hangers on each hanger crossbeam for being symmetrically set.Wherein, as shown in Figure 3, angle between upper longeron 151 axis of the center line B1 in hanger hole 2022 and upper frame 11 is a1, angle between two lifting lug devices 20 of diagonal position between the upper longeron axis of line and upper frame is a2, and a1=a2, like this, the intersection point of two diagonal angle lines between the lifting lug device 20 of diagonal position will drop on the mid point of web beam 143 axis of booster action.
In the present embodiment, as shown in Figure 5, hanger 202 can be embedded in hanger column 203 from end through lifting eye seat 201, to increase the join domain between hoisting mechanism and cube shaped framework, increases overall construction intensity.
In the present embodiment, as shown in figures 1 and 3, for improving further the structural strength at lifting lug device 20 places, can between longeron, hanger crossbeam 19 and the hanger column 203 of upper frame 11, be provided with the U-shaped node reinforcing 17 of wedge-like; Simultaneously, also can between two longerons of upper frame 11, be provided with web beam 143.By the U-shaped node reinforcing of wedge-like and web beam are set, can make lifting lug mechanism there is higher structural strength.
In the present embodiment, two hanger crossbeams 19 on upper frame 11 and web beam 143 form the hoisting structure of day font structures, the power that will lift decomposes all parts effectively, avoided stress to concentrate, power ability to bear in the time of can effectively improving explosion-proof house and lifted, realized the optimal design of hoisting mechanism, the force-bearing situation while lifting below by explosion-proof house describes, and with the hoisting structure to the embodiment of the present invention, has better and understands.
Particularity due to the offshore drilling platforms working environment, the operating mode of explosion-proof house when lifting operation is exceedingly the most odious, therefore hoisting structure is the important structure that guarantees the explosion-proof house safety, and the quality of this hoisting structure performance directly affects the security performance of explosion-proof house.As shown in Fig. 1, Fig. 5, Fig. 6 and Fig. 7, explosion-proof house is when lifting, 4 lifting lug devices 20 of upper frame 11 structure central region are connected by hoist cable with hoisting rig respectively, four lifting component P1, P2, P3 and P4 of hoisting rig, the power that also connects four hoist cable directions of 4 lifting lug devices 20, and the angle that lifting is made a concerted effort between P is α, wherein requires 30 °<=α<=45 °.
As shown in Figure 7, lifting component P1, P2, P3 and the plane projection of P4 on the upper frame 11 of explosion-proof house are respectively F1, F2, F3, F4, these power are carried out to resolution of vectors, just can obtain power FW1, FW2, FW3, the FW4 of horizontal direction, and the power F11 of longitudinal direction, F12, F13, F14.In the ideal situation, polar plot to above-mentioned power is analyzed, can obtain following formula: F11=F12=F13=F14>FW1=FW2=FW3=FW4, be the internal force on internal force on the A-A section>B-B section, the stability of the stability of A-A section<B-B section, therefore, on the upper frame of explosion-proof house, the zone line stability of longeron is minimum, is the zone of most probable generation unstable failure.
In the present embodiment explosion-proof house, for overcoming longeron and the low defect of zone line stability on upper frame, by being set, web beam 143 can effectively increase the stability of upper frame 11 central region.When finite element analysis, 4 lifting lug devices 20, two hanger crossbeams 19 and the common day font hoisting structures that form of web beam 143, can effectively improve the integrally-built force-bearing situation of explosion-proof house in hoisting process, increased the strength and stability of explosion-proof house structure, the low defect of upper frame 11 central region stability under loading in the time of can effectively solving lifting, overcome well longeron and the unsettled problem of central region on upper frame 11, improved the handling capacity of explosion-proof house.
In the present embodiment, for the intersection point of the axis that makes 4 hanger bodies is positioned on vertical symmetrical center line of upper frame 11, angle between the longeron of the center line B1 in hanger hole 2022 and the axis B2 of hanger body 2021 and upper frame should equate, particularly, as shown in Figure 7, the angle of the axis B2 of hanger body 2021 and the longeron of upper frame 11 is α 1, the angle of the center line B1 in hanger hole 2022 and the longeron of upper frame 11 is α 2, α 1=α 2 is so arranged, thereby can realize at the O point, being overlapped with the projection F of lifting power P on the plane, roof of rigging by the intersection point of the axis of 4 hanger bodies.In the ideal situation, lifting P (or its projection F) with joint efforts overlaps with the barycenter O point of explosion-proof house, four stressed F1 of hoist cable of hoist cable mechanism, F2, F3, F4 equate, projection and the hoisting structure of these four power on the plane, roof is rendered as " rice " font, the idle work minimum that lifting power is done the hoisting structure component under this situation, the structural performance of hoisting structure reaches optimum state.
In the present embodiment, can on four sides of above-mentioned cube frame 1, be respectively arranged with corrugated steel, and corrugated steel is through being weldingly fixed on cube shaped framework 1.Like this, by cube frame 1 side, corrugated steel being set, just can be in the inner inner space that forms explosion-proof house of cube shaped framework 1.
The functional regional division schematic diagram of the explosion-proof house that Fig. 8 provides for the embodiment of the present invention.As shown in Figure 8, the inner space of the present embodiment explosion-proof house can be divided into work chamber 100, air-conditioned cabin 200, instrument cabin 300 and transfer chamber 400 according to different functions, and the vertical partition wall between each function cabin and Indoor decorative plate adopt fire prevention fitting-out plate; According to the function needs, the re door As such as B15 are set between work chamber 100 and transfer chamber 400, the vertical partition wall between air-conditioned cabin 200, instrument cabin 300 and work chamber 100 is according to explosion-proof and A60 level fire protection requirement Design and manufacture.Wherein, described B15 grade and A60 level etc. are all the relevant regulations in safety standard.
Air-conditioned cabin 200 and instrument cabin 300 are surrounded by left and right sides body of wall, rear end and vertical partition wall, and vertical partition wall is comprised of steel plate, A60 level fire prevention fitting-out plate, possesses fire prevention, explosion prevention function.Air-conditioned cabin 200 and instrument cabin 300 are non-positive pressure environment, and in cabin, the equipment such as the air conditioner of configuration, blower fan are explosion-proof electric apparatus; Two groups of frames of air-conditioned cabin 200 configurations, for the off-premises station that installs an air-conditioner; Explosion-proof fan and air supply duct are installed in instrument cabin 300, and portable set, instrument and instrument; Rear end arranges security door one fan, for passing in and out instrument cabin 300.
In the present embodiment, for forming the explosion-proof house that can normally use, on above-mentioned cube shaped frame foundation, can form whole explosion-proof house by wall body structure is set, and each functional area as shown in Figure 8 can be set in explosion-proof house.Wherein, the wall body structure of explosion-proof house can be comprised of structures such as left side body of wall, right side body of wall, rear end, front end, roof and chassis.Below equipment configuration and the wall body structure of work chamber are described.
In the present embodiment, as shown in Figure 8, also be provided with air draft lock 101 and air intake lock 102 on work chamber 100, air draft lock 101 is positioned at relative two ends on described work chamber 100 with air intake lock 102; And be provided with flow meter 103, pressure sensor 104 in the air-out band of position of air draft lock 101; Flow meter 103 is connected with outside controller with pressure sensor 104, so that controller is controlled air draft lock 101 and air intake lock 102 according to the data of described flow meter 103 and pressure sensor 104 collections, make the interior air pressure of explosion-proof house in dynamic equilibrium.Particularly, but the explosion-proof house room pressure numerical value that outside controller Real-time Collection pressure sensor 104 gathers, and the size of the air draft flow of flow meter 103 collections, control air draft lock 101 and 102 work of air intake lock, to guarantee the positive pressure environment in explosion-proof house, and the dynamic equilibrium of assurance explosion-proof house inner air pressure.
The three-dimensional structure diagram that Fig. 9 is a side of embodiment of the present invention explosion-proof house; The three-dimensional structure diagram that Figure 10 is embodiment of the present invention explosion-proof house another side.As shown in Fig. 8, Fig. 9 and Figure 10, the outside plate of left side body of wall C1 is corrugated steel, through welding, with cube shaped framework, is connected, and forms left side body of wall C1, and internal layer is A60 level fire prevention fitting-out plate system, possesses fire prevention, explosion prevention function; The left side body of wall arranges A60 re door A one fan, A60 fire prevention observation port one fan.
Rear end body of wall C2 is corrugated steel, through welding, with cube shaped framework, is connected, and forms rear end body of wall C2; The rear end body of wall arranges security door one fan, air conditioner air intake shutter one fan.
The outside plate of right side body of wall C3 is corrugated steel, through welding, with cube shaped framework, is connected, and forms right side body of wall C3, and internal layer is A60 level fire prevention fitting-out plate system, possesses fire prevention, explosion prevention function; Right side body of wall C3 arranges air conditioner air outlet shutter one fan, A60 level emergency escape mouth one fan.
The outside plate of front end body of wall C4 is corrugated steel, through welding, with cube shaped framework, is connected, and forms front end body of wall C4, and internal layer is A60 level fire prevention fitting-out plate system, possesses fire prevention, explosion prevention function; The front end body of wall arranges air outlet one fan, and for ventilation and pressure adjusting in room, the front end wall outer side arranges one group of stile, for staff's operation of climbing to the top of a mountain.
As shown in Fig. 3 and Fig. 8, wherein, roof structure outside removing in Fig. 3 after dull and stereotyped top board and fire prevention fitting-out plate system, roof structure C5 is comprised of longeron, front and back end top rail, dull and stereotyped top board on left and right sides, the some head pieces, hanger crossbeam, the A60 level fire prevention fitting-out plate that are arranged between upper longeron, possesses fire prevention, explosion prevention function; Dull and stereotyped top board and upper longeron, top rail, through being welded to connect on cube shaped framework, form roof structure.In addition, steel plateform top board outer panel application non-skid coating or carry out anti-skidding processing, facilitate staff's safety operation of climbing to the top of a mountain.
As shown in Figure 3, show the chassis structure removed after upper sealing plate, lower shrouding, heat preservation rock, deck composition and PVC plastic flooring, chassis structure is comprised of longeron, front and back end lower transverse beam under left and right sides, the some cross members, upper sealing plate, heat preservation rock, lower shrouding, fire prevention deck composition and the PVC plastic flooring that are arranged between lower longeron, possesses fire prevention, explosion prevention function.The two ends up and down that upper and lower shrouding is arranged on cross member are connected with chassis through welding, between upper and lower shrouding, fill heat preservation rock; The PVC plastic flooring possesses fire prevention, electrostatic-proof function.
In the present embodiment, the structure of A60 fire prevention fitting-out plate system can be comprised of steel plate, ceramic wool and rock wool, and the outside is ceramic wool, and inboard is rock wool, outer with after the steel plate parcel, forming the fitting-out plate.
The explosion-proof house that the present embodiment provides can be under the isolation explosion-proof control system be controlled, explosion-proof ability to explosion-proof house is carried out effective monitoring, particularly, can adopt and take programmable logic controller and the logic control route that Microcomputer Technology is core, to malleation atmosphere in explosion-proof house and inflammable, explosive, dynamically control of concentration of toxic gases enforcement, thereby effectively stop outdoor pernicious gas to be invaded and foundation setting value eliminating pernicious gas.Wherein, programmable logic controller adopts the logic formula also by high-power forceful electric power Flameproof box, small-power light current Flameproof box, explosive operation post and corresponding sensor, positive draft to be purged to RACS, hazardous gas detection subsystem, fire warning subsystem and implements to control, and the signals such as, pernicious gas poisonous to smog, hydrogen sulfide, methane etc. and temperature, pressure reduction, air velocity are detected and continuous intellectuality is controlled.Once pernicious gas exceeds the setting value of system, system alarm also starts the automatic operation program by outside the foreign matter discharge chamber; As larger security incident occurs in site work zone, indoor can't guarantee safe working environment the time, system alarm, emergency system starts, and cuts off the electricity supply, and personnel can withdraw from the fast-escape mouth.
The explosion-proof house that the embodiment of the present invention provides, by the cube shaped framework that adopts low-alloyed square steel pipe or rectangular steel pipe to be combined to form, as the bearing frame of whole explosion-proof house, this cube shaped framework has structure optimization, and has mechanics supporting capacity preferably; Simultaneously, by the pore that utilizes steel pipe, in four ends of cube shaped framework, form corner node, make corner node and cube shaped framework one-body molded, there is better impact resistance; Simultaneously, by symmetrically arranged one group of quadruplet lifting lug device on upper frame, and hanger crossbeam and web beam, power supporting capacity in the time of can effectively improving explosion-proof house and lifted, make the cargo handling process of explosion-proof house safer, reliable, can effectively meet the normal operation requirement under the bad working environments such as offshore drilling platforms.In addition, the cube shaped framework of the embodiment of the present invention is welded to each other and forms by steel pipe, because the steel pipe material is identical, can realize higher welding quality, can effectively improve the structural strength of cube frame.
To sum up, the maritime work positive pressure explosion that the embodiment of the present invention provides, form cube shaped framework by adopting square steel pipe or rectangular steel pipe mutually to dock welding, make the structure of cube shaped framework more optimize, quality is light, there is better structural strength, can effectively meet the anti-explosion safety needs of explosion-proof house; In the embodiment of the present invention, on upper frame, in the installing space in hanger crossbeam and the formation of longeron joint, the welding lifting lug device, make lifting lug device and upper frame become one structure, power supporting capacity in the time of can effectively improving the explosion-proof house lifting, the safety and reliability of raising explosion-proof house charge and discharge operations; The embodiment of the present invention forms the corner node structure by the structure utilizing square steel pipe or rectangular steel pipe in the end of cube shaped framework, make corner node structure and cube shaped framework one-body molded, make corner node there is impact resistance better, and then improve the intensity of whole explosion-proof house.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to aforementioned each embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a box type maritime work positive pressure explosion-proof room, is characterized in that, comprises cube shaped framework, and described cube shaped framework comprises: upper frame and underframe connect by corner post between described upper frame and underframe; Described upper frame and underframe mutually dock and form by crossbeam, longeron, and described corner post, crossbeam and longeron are steel pipe, and described steel pipe is square steel pipe or rectangular steel pipe, and the mutual joint of each steel pipe is fixedly connected by welding; The Nodes of each steel pipe docking arranges the U-shaped node reinforcing of wedge-like, for the join domain of troclia dot structure, increases the structural strength of corner node;
Also be provided with hoisting mechanism on described upper frame, described hoisting mechanism comprises:
Be arranged on 2 hanger crossbeams between two longerons of described upper frame, described hanger crossbeam and longeron are by being welded to connect, form installing space in junction, and the symmetrical center line between two crossbeams of the symmetrical center line of described 2 hanger crossbeams and described upper frame overlaps;
Be provided with lifting lug device in described installing space, described lifting lug device comprises and the lifting eye seat of described hanger crossbeam and longitudinal beam welding, on described lifting eye seat, is installed with hanger;
Also be welded with the hanger column between longeron on described lifting lug device and described underframe, for supporting described lifting lug device, and by lifting lug device and the cube shaped framework structure that holds together;
Described hanger embeds in described hanger column from end through described lifting eye seat, for increasing the join domain between described hoisting mechanism and cube shaped framework, increases the overall construction intensity of hoisting mechanism;
The junction of the longeron of described upper frame, hanger crossbeam and hanger column is respectively arranged with the U-shaped node reinforcing of wedge-like, between two longerons of described upper frame, is provided with web beam, and described 2 hanger crossbeams and described web beam form a day font structure.
2. box type maritime work positive pressure explosion-proof room according to claim 1, is characterized in that, described hanger comprises the hanger body, on described hanger body, is provided with the hanger hole;
4 hangers that are positioned on each hanger column are symmetrically set, and the normal extended line joint of axis in 4 hanger holes of described 4 hangers is overlapped with the barycenter of explosion-proof house under perfect condition.
3. box type maritime work positive pressure explosion-proof room according to claim 1, is characterized in that, four ends of described upper frame are formed with respectively the drift angle node, the hole structure that described drift angle node is described corner post end.
4. box type maritime work positive pressure explosion-proof room according to claim 1, is characterized in that, on four sides of described cube shaped framework, is respectively arranged with corrugated steel, and described corrugated steel is through being weldingly fixed on described cube shaped framework.
5. box type maritime work positive pressure explosion-proof room according to claim 4, is characterized in that, in described cube shaped framework, also is provided with division board, and the inner space of explosion-proof house is divided into to work chamber, air-conditioned cabin, instrument cabin and transfer chamber by function;
Interior trim panel on the corrugated steel of the division board between each function cabin and formation sidewall, all adopt fire prevention fitting-out plate.
6. box type maritime work positive pressure explosion-proof room according to claim 5, is characterized in that, also is provided with air intake lock and air draft lock on described work chamber, and described air intake lock is positioned at two ends relative on described work chamber with the air draft lock;
The air outlet band of position of described air draft lock is provided with flow meter and pressure sensor;
Described flow meter is connected with outside controller with pressure sensor, so that described controller is controlled air intake lock and air draft lock in real time according to the image data of described flow meter and pressure sensor, makes the explosion-proof house inner air pressure realize dynamic equilibrium.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210022409 CN102535929B (en) | 2012-02-01 | 2012-02-01 | Box type maritime work positive pressure explosion-proof room |
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| CN 201210022409 CN102535929B (en) | 2012-02-01 | 2012-02-01 | Box type maritime work positive pressure explosion-proof room |
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| CN102535929A CN102535929A (en) | 2012-07-04 |
| CN102535929B true CN102535929B (en) | 2013-12-25 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913008B (en) * | 2012-09-26 | 2014-10-08 | 中国船舶重工集团公司第七○二研究所 | Explosion-proof room for air pressure test |
| CN103590630A (en) * | 2013-11-19 | 2014-02-19 | 太仓莫迪思能源工程有限公司 | Offshore function cabin with A60 fireproof grade |
| CN103572835A (en) * | 2013-11-22 | 2014-02-12 | 太仓莫迪思能源工程有限公司 | Offshore type container prefabricated house |
| CN103556842A (en) * | 2013-11-22 | 2014-02-05 | 太仓莫迪思能源工程有限公司 | Micro-positive pressure explosion-proof offshore function cabin |
| CN103591646A (en) * | 2013-11-25 | 2014-02-19 | 太仓莫迪思能源工程有限公司 | Explosion-proof air-conditioning system |
| CN111764694A (en) * | 2020-06-19 | 2020-10-13 | 中车长江车辆有限公司 | Container type railway mobile power generation equipment |
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