CN210134555U - Fire-proof and explosion-proof plate connecting structure of transformer substation firewall - Google Patents
Fire-proof and explosion-proof plate connecting structure of transformer substation firewall Download PDFInfo
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- CN210134555U CN210134555U CN201920759956.8U CN201920759956U CN210134555U CN 210134555 U CN210134555 U CN 210134555U CN 201920759956 U CN201920759956 U CN 201920759956U CN 210134555 U CN210134555 U CN 210134555U
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- 239000010935 stainless steel Substances 0.000 claims abstract description 106
- 239000011490 mineral wool Substances 0.000 claims abstract description 101
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 88
- 229910052751 metal Inorganic materials 0.000 claims abstract description 88
- 239000002184 metal Substances 0.000 claims abstract description 88
- 239000010959 steel Substances 0.000 claims abstract description 88
- 230000035939 shock Effects 0.000 claims abstract description 15
- 229910001566 austenite Inorganic materials 0.000 claims description 23
- 239000004570 mortar (masonry) Substances 0.000 claims description 19
- 239000010963 304 stainless steel Substances 0.000 claims description 18
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 18
- 238000004880 explosion Methods 0.000 claims description 13
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- 230000002265 prevention Effects 0.000 abstract description 29
- 230000005389 magnetism Effects 0.000 abstract description 20
- 238000007789 sealing Methods 0.000 abstract description 14
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- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 28
- 230000003014 reinforcing effect Effects 0.000 description 6
- 239000005995 Aluminium silicate Substances 0.000 description 3
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Abstract
The utility model discloses a fire-proof and explosion-proof plate connection structure is prevented to transformer substation's fire prevention and explosion-proof performance and the electromagnetism isolation effect of solving the fire-proof and explosion-proof structure of prior art installation power station valve room current conversion transformer bushing to and the fire-proof and explosion-proof structure and prevent being connected insecure, the unsatisfactory problem of joint gap department sealing performance between the wall. The utility model discloses a fire prevention blast resistant board mounting hole, fire wall, the frame body, fire prevention blast resistant board does not have the fixed clamp plate of magnetism stainless steel, the joint groove, and first, two, three equilateral angle steel, M12 bolt-up, the current conversion becomes the sleeve pipe mounting hole, and first, second metal face structure rock wool composite sheet do not lead the magnetism stainless steel board that shocks resistance, the joint board, the non magnetism stainless steel integrated circuit board that shocks resistance groove. The utility model discloses installation power station valve room current conversion transformer sheathed tube fire prevention explosion-proof board's fire prevention explosion-proof performance is strong, and the electromagnetism is kept apart effectually, and fire prevention explosion-proof board and prevent to be connected firmly between the wall firm, connection gap department sealing performance is good.
Description
Technical Field
The utility model relates to a fire prevention explosion-proof board connection structure is prevented to transformer substation's firewall.
Background
The power station valve hall is a closed building for placing the converter valve and requires excellent electromagnetic shielding performance. Electromagnetic interference that shielding current conversion produced, no magnetism stainless steel sheet has all been laid on the wall floor, current conversion transformer bushing design needs the wall installation of wearing, when installing current conversion transformer bushing, it sets up fire prevention explosion-proof structure to need current conversion transformer bushing and prevent to set up between the wall, in order to satisfy the fire prevention explosion-proof demand, current installation power station valve room current conversion transformer bushing's fire prevention explosion-proof structure, its fire prevention explosion-proof performance, and the electromagnetic isolation effect is unsatisfactory, and simultaneously, it is insecure to prevent fire explosion-proof structure and prevent to be connected between the wall, the sealing performance of joint gap department is unsatisfactory. Therefore, a connection structure of a fireproof and explosion-proof plate of a transformer substation is designed to improve fireproof and explosion-proof performance, electromagnetic isolation effect and sealing performance of a connection part, and technical problems to be solved by technical personnel in the technical field are urgently needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a transformer substation prevents fire wall fire explosion-proof board connection structure, solves the fire explosion-proof performance and the electromagnetic isolation effect of the fire explosion-proof structure of installation power station valve room current conversion transformer bushing unsatisfactory to and prevent that the fire explosion-proof structure is connected insecurely, connection gap department seal performance unsatisfactory problem between the wall with preventing.
In order to achieve the above object, the utility model adopts the following technical scheme:
the transformer substation firewall fireproof and explosion-proof plate connecting structure comprises a fireproof wall body provided with a fireproof and explosion-proof plate mounting hole, a square frame body and a square fireproof and explosion-proof plate, wherein the frame body is formed by welding austenitic S304 nonmagnetic stainless steel square steel tubes and is mounted in the fireproof and explosion-proof plate mounting hole;
the fireproof wall body is an ALC plate with the thickness of 200mm, a plurality of Z-shaped nonmagnetic stainless steel fixed pressing plates are fixed on the fireproof wall body through M12 bolts, a clamping groove is formed between each nonmagnetic stainless steel fixed pressing plate and the fireproof wall body, all the nonmagnetic stainless steel fixed pressing plates are distributed around the installation hole of the fireproof and explosion-proof plate in a circle, more than two first equilateral angle steels of L100x10 are welded on the outer ring surface of the frame body at equal intervals, all the first equilateral angle steels are distributed around the outer ring surface of the frame body in a circle, the number of the first equilateral angle steels is the same as that of the clamping grooves and corresponds to one another, all the clamping grooves are positioned on the inner side of a valve hall of a power station, and the first equilateral angle steels are clamped in the corresponding clamping grooves and fastened through the M12 bolts;
the fireproof and explosion-proof plate is characterized in that a converter transformer sleeve mounting hole for mounting a converter transformer sleeve is formed in the center of the fireproof and explosion-proof plate, the fireproof and explosion-proof plate comprises a first metal surface structure rock wool composite plate, a second metal surface structure rock wool composite plate and a non-magnetic-conductive stainless steel impact-resistant plate which are sequentially stacked from the inner side of a valve hall to the side of the converter transformer, and the converter transformer sleeve mounting hole sequentially penetrates through the first metal surface structure rock wool composite plate, the second metal surface structure rock wool composite plate and the non-magnetic-conductive stainless steel impact-resistant plate;
more than two second equilateral angle steels of L50x6 are welded on the inner ring surface of the frame body at equal intervals, all the second equilateral angle steels are distributed around the inner ring surface of the frame body for a circle, and the first metal surface structure rock wool composite plate is fixed with each second equilateral angle steel through bolts; more than two third equilateral angle steels of L100x10 are welded on the inner ring surface of the frame body at equal intervals, all the third equilateral angle steels are distributed around the inner ring surface of the frame body for a circle, and the second metal surface structure rock wool composite plate is fixed with each third equilateral angle steel through bolts; the frame body is welded with a circle of clamping plates made of austenite type S304 non-magnetic stainless steel at equal intervals on the side face of the converter transformer side, a non-magnetic-conductive stainless steel impact-resistant plate clamping groove is formed between each third equilateral angle steel and the clamping plates, the periphery of the non-magnetic-conductive stainless steel impact-resistant plate is respectively fastened and clamped in all the non-magnetic-conductive stainless steel impact-resistant plate clamping grooves, and the second equilateral angle steel, the third equilateral angle steel and the non-magnetic-conductive stainless steel impact-resistant plate clamping grooves are sequentially distributed side by side from the inner side of a valve hall to the converter transformer side.
Furthermore, the front surface and the back surface of the frame body are respectively fixed with a layer of 50mm thick ALC plate through bolts, a filling structure formed by aluminum silicate needle-punched blankets is filled in a gap where the fireproof wall body, the 50mm thick ALC plate and the frame body are connected, and the filling structure is used for densely filling the gap where the fireproof wall body, the 50mm thick ALC plate and the frame body are connected.
Furthermore, the fire wall body is coated with a layer of 304 stainless steel shielding layer with the thickness of 0.6mm on the outer surface of the ALC plate with the thickness of 50mm, wherein the ALC plate is positioned on the inner side of the valve hall and coated on the frame body.
Furthermore, the fireproof wall body is uniformly provided with a plurality of C80X 40X 20X 2.5 purlins on the outer surface of the inner side of the valve hall, and the 304 stainless steel shielding layer is fixedly connected with all the purlins through bolts.
Furthermore, a color steel plate made of 1mm thick austenite type S304 non-magnetic stainless steel plates is coated at the joint of the 50mm thick ALC plate and the non-magnetic stainless steel impact-resistant plate on the converter transformer side, the color steel plate is respectively fixed with the 50mm thick ALC plate and the non-magnetic stainless steel impact-resistant plate through bolts, and a fireproof mortar layer is filled on the outer surface of the filling structure between the 50mm thick ALC plate on the converter transformer side and the fireproof wall body.
Furthermore, all the first equilateral angle steels, all the second equilateral angle steels, all the third equilateral angle steels, all the M12 bolts, all the purlins, and all the bolts are made of austenitic S304 nonmagnetic stainless steel, and all the nonmagnetic stainless steel fixing pressure plates are made of austenitic S304 nonmagnetic stainless steel plates with the thickness of 5 mm.
Furthermore, the fireproof wall body is formed by splicing an ALC (autoclaved lightweight concrete) plate with the length of 3200mm, the width of 600mm and the thickness of 200mm side by side through a rabbet, a 2 mm-thick leveling flexible waterproof putty layer is coated on one side surface of the fireproof wall body on the side of the converter transformer, an 8 mm-thick aerated leveling mortar layer is coated on the outer surface of the flexible waterproof putty layer in a scraping mode, and reinforcing steel bars in the fireproof wall body are HRB400S hot-rolled thread austenite type S304 nonmagnetic stainless steel reinforcing steel bars.
Furthermore, the length, the width and the thickness of the first metal surface structure rock wool composite plate are 3100mm multiplied by 3000mm multiplied by 50mm respectively, the length, the width and the thickness of the second metal surface structure rock wool composite plate are 3100mm multiplied by 3000mm multiplied by 150mm respectively, and the length, the width and the thickness of the non-magnetic stainless steel impact-resistant plate are 3100mm multiplied by 3000mm multiplied by 70mm respectively.
Furthermore, the first metal surface structure rock wool composite board is formed by splicing three metal surface structure rock wool composite boards with the specifications of 1200mm multiplied by 3000mm multiplied by 50mm, 1200mm multiplied by 3000mm multiplied by 50mm and 700mm multiplied by 3000mm multiplied by 50mm in parallel through tongue and groove, and all splicing gaps are provided with fireproof heat-preservation mortar structures in a pointing way; the second metal surface structure rock wool composite board is formed by splicing three metal surface structure rock wool composite boards with the specifications of 1200mm multiplied by 3000mm multiplied by 150mm, 1200mm multiplied by 3000mm multiplied by 150mm and 700mm multiplied by 3000mm multiplied by 150mm in parallel through a rabbet, and all splicing gaps are provided with fireproof heat-preservation mortar structures in a pointing way; the metal surface structure rock wool composite sheet includes rock wool composite sheet and inseparable cladding be in non-magnetic conduction 304 stainless steel surface course on the rock wool composite sheet surface, the thickness of non-magnetic conduction 304 stainless steel surface course is 0.6 mm.
Further, first metal covering structure rock wool composite sheet with between the second metal covering structure rock wool composite sheet and the second metal covering structure rock wool composite sheet with it all leaves the clearance to not lead between the magnetic stainless steel board of shocking resistance, and first metal covering structure rock wool composite sheet with clearance between the second metal covering structure rock wool composite sheet is 10mm, second metal covering structure rock wool composite sheet with it is 20mm to lead the clearance between the magnetic stainless steel board of shocking resistance.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model has the advantages of simple structure and scientific and reasonable design, convenient to use, installation power station valve room current conversion transformer sheathed tube fire prevention explosion-proof performance is strong, and the electromagnetism is kept apart effectually, and fire prevention explosion-proof board and prevent to be connected between the wall firm, connection gap department sealing performance good.
The utility model discloses a fire and explosion protection board comprises the first metal covering structure rock wool composite sheet, the second metal covering structure rock wool composite sheet and the non-magnetic stainless steel shock resistance board that distribute side by side, first metal covering structure rock wool composite sheet and second metal covering structure rock wool composite sheet are formed by connecting a plurality of metal covering structure rock wool composite sheets side by side through the rabbet, the connection efficiency is high, the seam crossing is with fire prevention heat preservation mortar structure, can guarantee sealing performance and fire behavior simultaneously, the metal covering structure rock wool composite sheet comprises rock wool composite sheet and the non-magnetic 304 stainless steel surface layer that coats the rock wool composite sheet surface, the thickness of the first metal covering structure rock wool composite sheet is 50mm, the second metal covering structure rock wool composite sheet is 150mm, the space of 10mm is separated between the first metal covering structure rock wool composite sheet and the second metal covering structure rock wool composite sheet, so can make the utility model discloses a fire and explosion protection board has very good fire behavior, simultaneously, non-magnetic stainless steel shock-resistant plate thickness reaches 70mm, and it is located the current transformation side, and its and second metal covering structure rock wool composite sheet space at interval 20mm between, so not only the electromagnetism is kept apart effectually, still makes the utility model discloses very good explosion-proof has.
The utility model discloses be fixed with one deck 304 stainless steel shielding layer on the surface that fire wall and frame body are located the valve hall inboard, and all first equilateral angle steel, second equilateral angle steel, third equilateral angle steel, the joint board, various steel sheet, the M12 bolt, the purlin, and the bolt all adopts austenite type S304 to do not have the magnetism stainless steel and make, all do not have the fixed clamp plate of magnetism stainless steel and all adopt the thick austenite type S304 of 5mm to do not have the magnetism stainless steel board and make, the frame body adopts austenite type S304 to do not have magnetism stainless steel square steel tube welding and forms, prevent that the internal reinforcing bar of hot wall is HRB400S hot rolling screw thread austenite type S304 does not have magnetism stainless steel reinforcing bar, can further prevent the electromagnetic eddy current and produce, improve the electromagnetism isolation effect.
The utility model discloses through first equilateral angle steel, no magnetism stainless steel fixed pressing plate, M12 bolted connection between fireproof wall and the frame body, form the joint groove between no magnetism stainless steel fixed pressing plate and the fireproof wall, first equilateral angle steel welding is on fireproof wall, and the joint is in the joint groove, locks first equilateral angle steel in the joint groove through M12 bolt, can make and form firm connection between fireproof wall and the frame body; similarly, the first metal surface structure rock wool composite board is fixedly connected with a second equilateral angle steel fixed on the frame body through a bolt, and the second metal surface structure rock wool composite board is fixedly connected with a third equilateral angle steel fixed on the frame body through a bolt; and a non-magnetic-conductive stainless steel impact-resistant board clamping groove is formed between the clamping plate fixed on the frame body and the third equilateral angle steel, and the non-magnetic-conductive stainless steel impact-resistant board is clamped in all the non-magnetic-conductive stainless steel impact-resistant board clamping grooves to be fixed with the frame body, so that the fireproof wall body is firmly and firmly connected with the fireproof explosion-proof board through the frame body.
The utility model discloses fire wall is formed by the ALC board of 200mm thick adopting the tongue-and-groove to peg graft side by side, fire wall's concatenation efficiency is high, fire behavior is strong, fire wall, the frame body, and the seam crossing between the ALC board of 50mm thick is closely packed has the filling structure who forms by aluminium silicate needle-punched blanket, the filling structure between the ALC board of 50mm thick of converter transformer side and the fire wall exposes the part and is filled up one deck fire prevention mortar layer, it seals one deck various steel sheet to seal between the ALC board of 50mm thick of converter transformer side and the non-magnetic conductive stainless steel shock-resistant plate, fire wall is by length 3200mm, width 600mm, ALC board of thickness 200mm pegs graft side by side through the tongue-and groove and forms, fire wall scrapes the flexible putty layer of 2mm thick levelling simultaneously, flexible water-fast putty layer surface scrapes and scribbles the air entrainment of 8mm thick levelling mortar layer, so can make fire wall, the frame body, and form sealing connection structure between the fire prevention and, the sealing performance of the power station valve hall is guaranteed, the fireproof performance and the sealing performance are improved, the fireproof effect is further improved, and the ALC plates with the thickness of 50mm are fixed on the front surface and the back surface of the frame body, so that the fireproof performance of the frame body can be effectively guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is an enlarged view of a portion B of fig. 1.
Fig. 4 is the utility model discloses the whole view of hot wall is prevented in power station valve room.
Fig. 5 is a diagram of the ALC board tongue-and-groove splicing of the present invention.
Fig. 6 is a view of the splicing of the rabbet of the rock wool composite board with a metal surface structure of the utility model.
Fig. 7 is the utility model discloses metal covering structure rock wool composite sheet structure sketch map.
Wherein, the names corresponding to the reference numbers are:
1-a fireproof wall body, 2-a fireproof and explosion-proof plate mounting hole, 3-a frame body, 4-a fireproof and explosion-proof plate, 5-M12 bolts, 6-a nonmagnetic stainless steel fixed pressure plate, 7-a clamping groove, 8-first equilateral angle steel, 9-a converter transformer bushing mounting hole, 10-second equilateral angle steel, 11-third equilateral angle steel and 12-a clamping plate, 13-non-magnetic-conductivity stainless steel impact-resistant board clamping groove, 14-50mm thick ALC board, 15-filling structure, 16-304 stainless steel shielding layer, 17-purlin, 18-color steel plate, 19-fireproof mortar layer, 20-rock wool composite board, 21-non-magnetic-conductivity 304 stainless steel surface layer, 41-first metal surface structure rock wool composite board, 42-second metal surface structure rock wool composite board and 43-non-magnetic-conductivity stainless steel impact-resistant board.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in FIGS. 1-6, the utility model provides a fire wall fire prevention explosion-proof board connection structure is prevented to transformer substation, simple structure, design scientific and reasonable, convenient to use, installation power station valve room current conversion transformer sheathed tube fire prevention explosion-proof board's fire prevention explosion-proof ability is strong, and the electromagnetism is kept apart effectually, and the fire prevention explosion-proof board with prevent to be connected between the wall firm, the joint gap department sealing performance is good. The utility model discloses a set up fireproof wall body 1 of fire prevention explosion-proof board mounting hole 2, adopt austenite type S304 no magnetism stainless steel square steel tube welding form and install in just be the frame body 3 of a mouthful font in the fire prevention explosion-proof board mounting hole 2, and install in the frame body 3 and be square fire prevention explosion-proof board 4. The fireproof wall body 1 is an ALC plate with the thickness of 200mm, a plurality of Z-shaped non-magnetic stainless steel fixed pressing plates 6 are fixed on the fireproof wall body 1 through M12 bolts 5, and a clamping groove 7 is formed between each nonmagnetic stainless steel fixed pressing plate 6 and the fireproof wall body 1, all the nonmagnetic stainless steel fixed pressing plates 6 are distributed around the fireproof and explosion-proof plate mounting hole 2 for a circle, more than two first equilateral angle steels 8 of L100x10 are equidistantly welded on the outer annular surface of the frame body 3, all the first equilateral angle steels 8 are distributed around the outer annular surface of the frame body 3, the number of the first equilateral angle steels 8 is the same as that of the clamping grooves 7 and corresponds to that of the clamping grooves 7 one by one, all the clamping grooves 7 are positioned on the inner side of a valve hall of a power station valve hall, the first equilateral angle steel 8 is clamped in the corresponding clamping groove 7 and is fastened through the M12 bolt 5.
The utility model discloses a change of current transformer sleeve pipe mounting hole 9 that is used for installing change of current sleeve pipe is seted up at the center of fire prevention explosion-proof plate 4, fire prevention explosion-proof plate 4 includes first metal face structure rock wool composite sheet 41, second metal face structure rock wool composite sheet 42 and non-magnetic conduction stainless steel shock-resistant plate 43 that range upon range of setting in proper order from the valve hall inboard to change of current transformer side, change of current transformer sleeve pipe mounting hole 9 run through in proper order first metal face structure rock wool composite sheet 41, second metal face structure rock wool composite sheet 42 and non-magnetic conduction stainless steel shock-resistant plate 43; first metal covering structure rock wool composite sheet 41 with between the second metal covering structure rock wool composite sheet 42 and second metal covering structure rock wool composite sheet 42 with it all leaves the clearance to not lead between the magnetic stainless steel board 43 of shocking resistance, and first metal covering structure rock wool composite sheet 41 with clearance between the second metal covering structure rock wool composite sheet 42 is 10mm, second metal covering structure rock wool composite sheet 42 with it is 20mm to not lead the clearance between the magnetic stainless steel board 43 of shocking resistance.
The utility model discloses a fire and explosion protection board comprises the first metal covering structure rock wool composite sheet, the second metal covering structure rock wool composite sheet and the non-magnetic stainless steel shock resistance board that distribute side by side, first metal covering structure rock wool composite sheet and second metal covering structure rock wool composite sheet are formed by connecting a plurality of metal covering structure rock wool composite sheets side by side through the rabbet, the connection efficiency is high, the seam crossing is with fire prevention heat preservation mortar structure, can guarantee sealing performance and fire behavior simultaneously, the metal covering structure rock wool composite sheet comprises rock wool composite sheet and the non-magnetic 304 stainless steel surface layer that coats the rock wool composite sheet surface, the thickness of the first metal covering structure rock wool composite sheet is 50mm, the second metal covering structure rock wool composite sheet is 150mm, the space of 10mm is separated between the first metal covering structure rock wool composite sheet and the second metal covering structure rock wool composite sheet, so can make the utility model discloses a fire and explosion protection board has very good fire behavior, simultaneously, non-magnetic stainless steel shock-resistant plate thickness reaches 70mm, and it is located the current transformation side, and its and second metal covering structure rock wool composite sheet space at interval 20mm between, so not only the electromagnetism is kept apart effectually, still makes the utility model discloses very good explosion-proof has.
In the utility model, two or more second equilateral angle steels 10 of L50x6 are equidistantly welded on the inner annular surface of the frame body 3, all the second equilateral angle steels 10 are distributed around the inner annular surface of the frame body 3 for a circle, and the first metal surface structure rock wool composite plate 41 is fixed with each second equilateral angle steel 10 through bolts; more than two third equilateral angle steels 11 of L100x10 are equidistantly welded on the inner annular surface of the frame body 3, all the third equilateral angle steels 11 are distributed around the inner annular surface of the frame body 3 for a circle, and the second metal surface structure rock wool composite plate 42 is respectively fixed with each third equilateral angle steel 11 through bolts; a circle of clamping plates 12 made of austenite S304 non-magnetic stainless steel are welded on the side face of the converter transformer side of the frame body 3 at equal intervals, a non-magnetic stainless steel impact-resistant plate clamping groove 13 is formed between each third equilateral angle steel 11 and the clamping plate 12, the periphery of the non-magnetic stainless steel impact-resistant plate 43 is fastened and clamped in all the non-magnetic stainless steel impact-resistant plate clamping grooves 13 respectively, and the second equilateral angle steel 10, the third equilateral angle steel 11 and the non-magnetic stainless steel impact-resistant plate clamping grooves 13 are distributed side by side in sequence from the inner side of a valve hall to the converter transformer side.
The tow sides of the frame body 3 are respectively fixed with the thick ALC board 14 of one deck 50mm through the bolt, fire wall 1 the thick ALC board 14 of 50mm with the gap department that the frame body 3 is connected packs has the filling structure 15 that is formed by the aluminium silicate acupuncture blanket, filling structure 15 will fire wall 1 the thick ALC board 14 of 50mm with the closely knit packing of gap that the frame body 3 is connected. The fire wall 1 is coated with a layer of 304 stainless steel shielding layer 16 with the thickness of 0.6mm on the outer surface of the ALC board 14 with the thickness of 50mm, which is positioned on the inner side of the valve hall and coated on the frame body 3. The fireproof wall body 1 is uniformly provided with a plurality of C80X 40X 20X 2.5 purlins 17 on the outer surface of the inner side of the valve hall, and the 304 stainless steel shielding layer 16 is fixedly connected with all the purlins 17 through bolts.
The utility model discloses through first equilateral angle steel, no magnetism stainless steel fixed pressing plate, M12 bolted connection between fireproof wall and the frame body, form the joint groove between no magnetism stainless steel fixed pressing plate and the fireproof wall, first equilateral angle steel welding is on fireproof wall, and the joint is in the joint groove, locks first equilateral angle steel in the joint groove through M12 bolt, can make and form firm connection between fireproof wall and the frame body; similarly, the first metal surface structure rock wool composite board is fixedly connected with a second equilateral angle steel fixed on the frame body through a bolt, and the second metal surface structure rock wool composite board is fixedly connected with a third equilateral angle steel fixed on the frame body through a bolt; and a non-magnetic-conductive stainless steel impact-resistant board clamping groove is formed between the clamping plate fixed on the frame body and the third equilateral angle steel, and the non-magnetic-conductive stainless steel impact-resistant board is clamped in all the non-magnetic-conductive stainless steel impact-resistant board clamping grooves to be fixed with the frame body, so that the fireproof wall body is firmly and firmly connected with the fireproof explosion-proof board through the frame body.
The utility model discloses be located the side of converter transformer 50mm thick ALC board 14 with the joint department cladding of non-magnetic conduction stainless steel shock-resistant board 43 has the various steel sheet 18 that the one deck was made by the thick austenite type S304 of 1mm no magnetism stainless steel board, various steel sheet 18 pass through the bolt respectively with 50mm thick ALC board 14 with it is fixed to not magnetic conduction stainless steel shock-resistant board 43, is located the side of converter transformer 50mm thick ALC board 14 with between the fire wall 1 the surface of filling structure 15 is filled up and is had one deck fire prevention mortar layer 19. All the first equilateral angle steels 8, all the second equilateral angle steels 10, all the third equilateral angle steels 11, all the M12 bolts 5, all the purlins 17, and all the bolts are made of austenitic S304 nonmagnetic stainless steel, and all the nonmagnetic stainless steel fixing pressure plates 6 are made of austenitic S304 nonmagnetic stainless steel plates with the thickness of 5 mm.
The length, width and thickness of the first metal surface structure rock wool composite board 41 are 3100mm × 3000mm × 50mm respectively, the length, width and thickness of the second metal surface structure rock wool composite board 42 are 3100mm × 3000mm × 150mm respectively, the length, width and thickness of the non-magnetic stainless steel impact-resistant plate 43 are 3100mm × 3000mm × 70mm respectively. The first metal surface structure rock wool composite board 41 is formed by splicing three metal surface structure rock wool composite boards with the specifications of 1200mm multiplied by 3000mm multiplied by 50mm, 1200mm multiplied by 3000mm multiplied by 50mm and 700mm multiplied by 3000mm multiplied by 50mm in parallel through a rabbet, and all splicing gaps are provided with fireproof heat-preservation mortar structures in a pointing way; the second metal surface structure rock wool composite board 42 is formed by splicing three metal surface structure rock wool composite boards with the specifications of 1200mm multiplied by 3000mm multiplied by 150mm, 1200mm multiplied by 3000mm multiplied by 150mm and 700mm multiplied by 3000mm multiplied by 150mm in parallel through a rabbet, and all splicing gaps are provided with fireproof heat-preservation mortar structures in a pointing way; the metal surface structure rock wool composite sheet includes rock wool composite sheet 20 and inseparable cladding be in non-magnetic conduction 304 stainless steel surface course 21 on the rock wool composite sheet 20 surface, the thickness of non-magnetic conduction 304 stainless steel surface course 21 is 0.6 mm. The utility model discloses ALC board specification and performance parameter see table 1 and table 2, the utility model discloses rock wool composite sheet performance parameter sees table 3.
The utility model discloses fire wall is formed by the ALC board of 200mm thick adopting the tongue-and-groove to peg graft side by side, fire wall's concatenation efficiency is high, fire behavior is strong, fire wall, the frame body, and the seam crossing between the ALC board of 50mm thick is closely packed has the filling structure who forms by aluminium silicate needle-punched blanket, the filling structure between the ALC board of 50mm thick of converter transformer side and the fire wall exposes the part and is filled up one deck fire prevention mortar layer, it seals one deck various steel sheet to seal between the ALC board of 50mm thick of converter transformer side and the non-magnetic conductive stainless steel shock-resistant plate, fire wall is by length 3200mm, width 600mm, ALC board of thickness 200mm pegs graft side by side through the tongue-and groove and forms, fire wall scrapes the flexible putty layer of 2mm thick levelling simultaneously, flexible water-fast putty layer surface scrapes and scribbles the air entrainment of 8mm thick levelling mortar layer, so can make fire wall, the frame body, and form sealing connection structure between the fire prevention and, the sealing performance of the power station valve hall is guaranteed, the fireproof performance and the sealing performance are improved, the fireproof effect is further improved, and the ALC plates with the thickness of 50mm are fixed on the front surface and the back surface of the frame body, so that the fireproof performance of the frame body can be effectively guaranteed.
TABLE 1 the ALC board specification and Performance parameter table
TABLE 2 the utility model discloses ALC board specification and performance parameter table
TABLE 3 rock wool clad plate Performance parameters
The utility model discloses non-magnetic stainless steel shock resistance board parameter as follows:
the total thickness of the non-magnetic stainless steel impact-resistant plate exceeds 60mm, and the non-magnetic stainless steel impact-resistant plate consists of a double-layer panel, a square steel pipe keel, a binding plate and a connecting piece, and the non-magnetic stainless steel impact-resistant plate is a similar steel door plate in a real object. Wherein, the panel adopts a 3mm thick austenite type S304 nonmagnetic stainless steel plate. The keel is made of a 50mmx50mmx6mm austenite S304 nonmagnetic stainless steel square tube. An austenitic S304 nonmagnetic stainless steel plate with a thickness of 1mm is wrapped on the edge plate. The connecting piece adopts an austenite type S304 nonmagnetic stainless steel plate with the thickness of 5 mm. All other connectors such as bolts are made of austenitic S304 nonmagnetic stainless steel.
The utility model discloses be fixed with one deck 304 stainless steel shielding layer on the surface that fire wall and frame body are located the valve hall inboard, and all first equilateral angle steel, second equilateral angle steel, third equilateral angle steel, the joint board, various steel sheet, the M12 bolt, the purlin, and the bolt all adopts austenite type S304 to do not have the magnetism stainless steel and make, all do not have the fixed clamp plate of magnetism stainless steel and all adopt the thick austenite type S304 of 5mm to do not have the magnetism stainless steel board and make, the frame body adopts austenite type S304 to do not have magnetism stainless steel square steel tube welding and forms, prevent that the internal reinforcing bar of hot wall is HRB400S hot rolling screw thread austenite type S304 does not have magnetism stainless steel reinforcing bar, can further prevent the electromagnetic eddy current and produce, improve the electromagnetism isolation effect.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (10)
1. Firewall fire-proof and explosion-proof plate connection structure of transformer substation, its characterized in that: the fireproof and explosion-proof wall comprises a fireproof wall body (1) provided with a fireproof and explosion-proof plate mounting hole (2), a frame body (3) which is formed by welding austenite S304 non-magnetic stainless steel square steel tubes, is arranged in the fireproof and explosion-proof plate mounting hole (2) and is in a square shape, and a fireproof and explosion-proof plate (4) which is arranged in the frame body (3) and is in a square shape;
the fireproof wall body (1) is an ALC plate with the thickness of 200mm, a plurality of Z-shaped nonmagnetic stainless steel fixed pressing plates (6) are fixed on the fireproof wall body (1) through M12 bolts (5), a clamping groove (7) is formed between each nonmagnetic stainless steel fixed pressing plate (6) and the fireproof wall body (1), all the nonmagnetic stainless steel fixed pressing plates (6) are distributed around the fireproof explosion-proof plate mounting hole (2) for one circle, more than two first equal-edge angle steels (10) are welded on the outer ring surface of the frame body (3) at equal intervals, all the first equal-edge angle steels (8) are distributed around the outer ring surface of the frame body (3) for one circle, the number of the first equal-edge angle steels (8) is the same as that of the clamping grooves (7) and corresponds to one another, all the clamping grooves (7) are positioned at the inner side of a valve hall of a power station, the first equilateral angle steel (8) is clamped in the corresponding clamping groove (7) and is fastened through the M12 bolt (5);
a converter transformer sleeve mounting hole (9) for mounting a converter transformer sleeve is formed in the center of the fireproof explosion-proof plate (4), the fireproof explosion-proof plate (4) comprises a first metal surface structure rock wool composite plate (41), a second metal surface structure rock wool composite plate (42) and a non-magnetic-conductive stainless steel impact-resistant plate (43), which are sequentially stacked from the inner side of a valve hall to the converter transformer side, and the converter transformer sleeve mounting hole (9) sequentially penetrates through the first metal surface structure rock wool composite plate (41), the second metal surface structure rock wool composite plate (42) and the non-magnetic-conductive stainless steel impact-resistant plate (43);
more than two second equilateral angle steels (10) of L50x6 are welded on the inner annular surface of the frame body (3) at equal intervals, all the second equilateral angle steels (10) are distributed around the inner annular surface of the frame body (3) for a circle, and the first metal surface structure rock wool composite plate (41) is fixed with each second equilateral angle steel (10) through bolts; more than two third equilateral angle steels (11) of L100x10 are welded on the inner annular surface of the frame body (3) at equal intervals, all the third equilateral angle steels (11) are distributed around the inner annular surface of the frame body (3) for a circle, and the second metal surface structure rock wool composite plate (42) is fixed with each third equilateral angle steel (11) through bolts; the frame body (3) is welded with a circle of clamping plates (12) made of austenite type S304 non-magnetic stainless steel at equal intervals on the side face of the converter transformer side, each third equilateral angle steel (11) and clamping plates (12) are provided with a non-magnetic-conductive stainless steel impact-resistant plate clamping groove (13), the periphery of the non-magnetic-conductive stainless steel impact-resistant plate (43) is fastened and clamped in all the non-magnetic-conductive stainless steel impact-resistant plate clamping grooves (13) respectively, and the second equilateral angle steel (10), the third equilateral angle steel (11) and the non-magnetic-conductive stainless steel impact-resistant plate clamping grooves (13) are distributed side by side in sequence from the valve hall inner side to the converter transformer side.
2. The fire and explosion protection plate connecting structure of the substation firewall according to claim 1, characterized in that: the fire wall is characterized in that a layer of 50mm thick ALC (autoclaved lightweight concrete) plate (14) is fixed on the front surface and the back surface of the frame body (3) respectively through bolts, a filling structure (15) formed by an aluminum silicate needle-punched blanket is filled in a gap where the fire wall (1), the 50mm thick ALC plate (14) and the frame body (3) are connected, and the filling structure (15) is used for densely filling the gap where the fire wall (1), the 50mm thick ALC plate (14) and the frame body (3) are connected.
3. The fire and explosion protection plate connecting structure of the substation firewall according to claim 2, characterized in that: the fireproof wall body (1) is coated with a layer of 304 stainless steel shielding layer (16) with the thickness of 0.6mm on the outer surface of the ALC plate (14) with the thickness of 50mm, which is positioned on the inner side of the valve hall and coated on the frame body (3).
4. The fire and explosion protection plate connecting structure of the substation firewall according to claim 3, characterized in that: the fireproof wall body (1) is uniformly provided with a plurality of C80X 40X 20X 2.5 purlines (17) on the outer surface of the inner side of the valve hall, and the 304 stainless steel shielding layer (16) is fixedly connected with all the purlines (17) through bolts.
5. The fire and explosion protection plate connecting structure of the substation firewall according to claim 2, characterized in that: the joint of the 50mm thick ALC plate (14) and the non-magnetic-conductive stainless steel anti-impact plate (43) on the converter transformer side is coated with a color steel plate (18) made of a 1mm thick austenite type S304 non-magnetic stainless steel plate, the color steel plate (18) is fixed with the 50mm thick ALC plate (14) and the non-magnetic-conductive stainless steel anti-impact plate (43) through bolts respectively, the outer surface of the filling structure (15) between the 50mm thick ALC plate (14) and the fireproof wall body (1) on the converter transformer side is filled with a fireproof mortar layer (19), and all the bolts are made of austenite type S304 non-magnetic stainless steel.
6. The fire and explosion protection plate connecting structure of the substation firewall according to claim 4, wherein: all the first equilateral angle steels (8), all the second equilateral angle steels (10), all the third equilateral angle steels (11), all the M12 bolts (5), all the purlins (17) and all the bolts are made of austenitic S304 nonmagnetic stainless steel, and all the nonmagnetic stainless steel fixing pressing plates (6) are made of austenitic S304 nonmagnetic stainless steel plates with the thickness of 5 mm.
7. The fire and explosion protection plate connecting structure of the substation firewall according to claim 1, characterized in that: the fireproof wall body (1) is formed by splicing ALC plates which are 3200mm long, 600mm wide and 200mm thick in parallel through grooves and tongues, a 2mm thick leveling flexible waterproof putty layer is coated on one side face of the side, located on the side where the converter transformer is changed, of the fireproof wall body (1), an 8mm thick aerated leveling mortar layer is coated on the outer surface of the flexible waterproof putty layer in a scraping mode, and reinforcing steel bars in the fireproof wall body (1) are HRB400S hot-rolled thread austenite type S304 nonmagnetic stainless steel reinforcing steel bars.
8. The fire and explosion protection plate connecting structure of the substation firewall according to claim 1, characterized in that: the length, the width and the thickness of the first metal surface structure rock wool composite plate (41) are 3100mm multiplied by 3000mm multiplied by 50mm respectively, the length, the width and the thickness of the second metal surface structure rock wool composite plate (42) are 3100mm multiplied by 3000mm multiplied by 150mm respectively, and the length, the width and the thickness of the non-magnetic stainless steel impact-resistant plate (43) are 3100mm multiplied by 3000mm multiplied by 70mm respectively.
9. The fire and explosion protection plate connecting structure of the substation firewall according to claim 1, characterized in that: the first metal surface structure rock wool composite board (41) is formed by splicing three metal surface structure rock wool composite boards with the specifications of 1200mm multiplied by 3000mm multiplied by 50mm, 1200mm multiplied by 3000mm multiplied by 50mm and 700mm multiplied by 3000mm multiplied by 50mm in parallel through a rabbet, and all splicing gaps are provided with fireproof heat-preservation mortar structures in a pointing way; the second metal surface structure rock wool composite board (42) is formed by splicing three metal surface structure rock wool composite boards with the specifications of 1200mm multiplied by 3000mm multiplied by 150mm, 1200mm multiplied by 3000mm multiplied by 150mm and 700mm multiplied by 3000mm multiplied by 150mm in parallel through a rabbet, and all splicing gaps are provided with fireproof heat-preservation mortar structures in a pointing way; the metal surface structure rock wool composite sheet includes rock wool composite sheet (20) and inseparable cladding be in non-magnetic conduction 304 stainless steel surface course (21) on rock wool composite sheet (20) surface, the thickness of non-magnetic conduction 304 stainless steel surface course (21) is 0.6 mm.
10. The fire and explosion protection plate connecting structure of the substation firewall according to claim 1, characterized in that: first metal covering structure rock wool composite sheet (41) with between second metal covering structure rock wool composite sheet (42) and second metal covering structure rock wool composite sheet (42) with it all leaves the clearance to do not lead between magnetic stainless steel shock resistance board (43), and first metal covering structure rock wool composite sheet (41) with clearance between second metal covering structure rock wool composite sheet (42) is 10mm, second metal covering structure rock wool composite sheet (42) with it is 20mm to do not lead the clearance between magnetic stainless steel shock resistance board (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759956.8U CN210134555U (en) | 2019-05-24 | 2019-05-24 | Fire-proof and explosion-proof plate connecting structure of transformer substation firewall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759956.8U CN210134555U (en) | 2019-05-24 | 2019-05-24 | Fire-proof and explosion-proof plate connecting structure of transformer substation firewall |
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| CN210134555U true CN210134555U (en) | 2020-03-10 |
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| CN201920759956.8U Withdrawn - After Issue CN210134555U (en) | 2019-05-24 | 2019-05-24 | Fire-proof and explosion-proof plate connecting structure of transformer substation firewall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042950A (en) * | 2019-05-24 | 2019-07-23 | 应急管理部四川消防研究所 | The fire-proof and explosion-proof board connecting structure of substation's firewall |
-
2019
- 2019-05-24 CN CN201920759956.8U patent/CN210134555U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042950A (en) * | 2019-05-24 | 2019-07-23 | 应急管理部四川消防研究所 | The fire-proof and explosion-proof board connecting structure of substation's firewall |
| CN110042950B (en) * | 2019-05-24 | 2023-11-07 | 应急管理部四川消防研究所 | Fireproof and explosion-proof plate connecting structure for transformer substation firewall |
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