CN118482242B - A plugging system for converter transformer bushing with integrated explosion-proof and fire-proof function and preparation method thereof - Google Patents
A plugging system for converter transformer bushing with integrated explosion-proof and fire-proof function and preparation method thereof Download PDFInfo
- Publication number
- CN118482242B CN118482242B CN202410947511.8A CN202410947511A CN118482242B CN 118482242 B CN118482242 B CN 118482242B CN 202410947511 A CN202410947511 A CN 202410947511A CN 118482242 B CN118482242 B CN 118482242B
- Authority
- CN
- China
- Prior art keywords
- proof
- explosion
- layer
- fireproof
- converter transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/04—Sealing to form a firebreak device
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
一种换流变套管抗爆防火一体化的封堵系统及制备方法，封堵系统为多层结构，多层结构包括抗爆单元层、防火单元层和支撑架体层；支撑架体层固定于封堵洞口防火墙处；抗爆单元层和防火单元层均固定于支撑架体层上；套管依次穿过抗爆单元层、防火单元层和支撑架体层，接触部密封连接。本发明的抗爆防火一体化封堵系统通过抗爆单元层、防火单元层和支撑架体层固定连接，并且通过将套管与抗爆单元层、防火单元层和支撑架体层之间密封连接，使套管与封堵系统之间不存在孔隙，从而使换流变发生爆燃后不会通过抗爆门与换流变阀侧套管的孔隙绕射破坏封堵系统，解决原有抗爆门存在缝隙问题，大幅提升封堵系统的耐火性能。
A plugging system and preparation method for explosion-proof and fire-proof integration of converter transformer bushings, the plugging system is a multi-layer structure, the multi-layer structure includes an explosion-proof unit layer, a fire-proof unit layer and a support frame layer; the support frame layer is fixed at the fire wall of the plugging hole; the explosion-proof unit layer and the fire-proof unit layer are both fixed on the support frame layer; the bushing passes through the explosion-proof unit layer, the fire-proof unit layer and the support frame layer in sequence, and the contact parts are sealed and connected. The explosion-proof and fire-proof integrated plugging system of the present invention is fixedly connected by the explosion-proof unit layer, the fire-proof unit layer and the support frame layer, and the bushing is sealedly connected with the explosion-proof unit layer, the fire-proof unit layer and the support frame layer, so that there is no gap between the bushing and the plugging system, so that after the converter transformer deflagration occurs, the plugging system will not be damaged by diffraction through the gap between the explosion-proof door and the bushing on the valve side of the converter transformer, thereby solving the problem of gaps in the original explosion-proof door and greatly improving the fire resistance of the plugging system.
Description
Technical Field
The invention relates to the technical field of converter station converter transformer valve side sleeve plugging systems, in particular to an explosion-proof and fireproof integrated plugging system for a converter transformer sleeve and a preparation method thereof.
Background
In order to prevent the impact of converter transformer explosion on a valve hall, the valve side sleeve part of the current converter transformer is composed of an antiknock door and a fireproof blocking system, wherein the antiknock door can resist the impact force of the converter explosion in the moment, and the blocking system can resist the high-temperature radiation of the transformer insulating oil combustion. There are two problems at present: firstly, in order to prevent vortex heating, a gap of more than 100mm is reserved between the anti-explosion door and the valve side sleeve, and the existing experiment proves that the explosion impact of the converter transformer damages a plugging system after the anti-explosion door through the gap, so that the plugging system loses fireproof performance; secondly, because explosion-proof door and fire prevention shutoff system components of a whole that can function independently are disposed, two parts overall dimension is thicker, when the change of current breaks down and need to be refunded, explosion-proof door and fire prevention shutoff system need dismantle and reinstallation, and construction cycle is long, causes direct current engineering to stop long time, and the loss is great, and direct current energy availability reduces, leads to fire behavior to weaken.
Disclosure of Invention
In order to solve the problem of reduced fireproof performance caused by separation of an antiknock door and a fireproof blocking system, the invention provides an antiknock and fireproof integrated blocking system for a converter transformer bushing, which is of a multi-layer structure, wherein the multi-layer structure comprises an antiknock unit layer, a fireproof unit layer and a supporting frame body layer;
the support frame body layer is fixed at a firewall for blocking the opening;
The antiknock unit layer and the fireproof unit layer are both fixed on the support frame layer;
the sleeve sequentially passes through the antiknock unit layer, the fireproof unit layer and the support frame layer;
The contact part of the sleeve and the antiknock unit layer, the contact part of the sleeve and the fireproof unit layer and the contact part of the sleeve and the support frame body layer are all in sealing connection.
Preferably, the antiknock unit layer comprises an antiknock plate and a fastening screw;
The antiknock plate, the fireproof unit layer and the support frame layer are sequentially arranged and mutually pressed;
The threaded end parts of the fastening screws penetrate through the antiknock plate and the fireproof unit layer and are fixedly installed on the support frame layer.
Preferably, the antiknock plate is 9-10mm thick.
Preferably, the antiknock plate comprises a low-magnetic stainless steel perforated plate and a fiber inorganic solid waste material;
the fiber inorganic solid waste material is pressed between the two low-magnetic stainless steel perforated plates.
Preferably, the fiber inorganic solid waste material is prepared by mixing 1-2% by weight of inorganic basalt fiber, and 3:3:4 by weight of fly ash, slag and cement.
Preferably, the support frame body layer comprises grid-shaped keels, and the periphery side is fixedly arranged in the plugging hole in a sealing manner.
Preferably, the fireproof unit layer comprises a fireproof plate and a connecting screw;
The fireproof plate is fixedly arranged on the support frame layer through the connecting screw.
Preferably, the fireproof plate is 15-25mm thick.
Preferably, the fire protection unit layer further comprises an aluminum silicate needled blanket;
The aluminum silicate needled blanket is filled in the grid of the keel;
The aluminum silicate needled blanket is tightly contacted with the fireproof plate at one side facing the fireproof plate.
Preferably, the microcrystalline ceramics with a platy structure is fixedly arranged on one side of the keel away from the antiknock unit layer.
Preferably, the microcrystalline ceramic is 55-65mm thick.
Preferably, the contact part is filled with aluminum silicate aerogel.
Based on the same inventive concept, the invention also provides a preparation method of the explosion-proof and fireproof integrated plugging system for the converter transformer bushing, which comprises the following steps:
Fixedly mounting a support frame layer of an explosion-proof and fireproof integrated plugging system of the converter transformer sleeve at a plugging hole;
a fireproof unit layer of the explosion-proof and fireproof integrated plugging system of the converter transformer sleeve is arranged on one side, facing the converter transformer, of the support frame layer in a sealing manner;
Sealing and installing an antiknock unit layer of the antiknock and fireproof integrated plugging system of the converter transformer sleeve on one side of the fireproof unit layer facing the converter transformer;
And enabling the sleeve to sequentially penetrate through the supporting frame body layer, the fireproof unit layer and the antiknock unit layer, and connecting the contact parts in a sealing manner.
Preferably, the side of the fireproof unit layer facing the converter transformer is provided with an antiknock unit layer of the converter transformer bushing antiknock and fireproof integrated plugging system in a sealing manner, and then the plugging system comprises:
And the microcrystalline ceramic of the plugging system integrating the explosion resistance and the fire resistance of the converter transformer sleeve is fixedly arranged on one side of the supporting frame body layer far away from the explosion-resistant unit layer.
Preferably, the fireproof unit layer of the explosion-proof and fireproof integrated plugging system for the converter transformer sleeve is mounted on the side, facing the converter transformer, of the support frame layer in a sealing manner, and comprises the following components:
and filling an aluminum silicate needled blanket of the anti-explosion and fireproof integrated plugging system of the converter transformer bushing in the support frame body layer.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention provides an explosion-proof and fireproof integrated plugging system for a converter transformer bushing, which is of a multilayer structure, wherein the multilayer structure comprises an explosion-proof unit layer, a fireproof unit layer and a support frame body layer; the support frame body layer is fixed at a firewall for blocking the opening; the antiknock unit layer and the fireproof unit layer are both fixed on the support frame layer and face to one side of the converter transformer; the sleeve sequentially passes through the antiknock unit layer, the fireproof unit layer and the support frame layer; the contact part of the sleeve and the antiknock unit layer, the contact part of the sleeve and the fireproof unit layer and the contact part of the sleeve and the support frame body layer are all in sealing connection. According to the anti-explosion and fireproof integrated plugging system, the anti-explosion unit layer, the fireproof unit layer and the support frame body layer are fixedly connected, and the sleeve is in sealing connection with the anti-explosion unit layer, the fireproof unit layer and the support frame body layer, so that no pore exists between the sleeve and the plugging system, the plugging system is not damaged through pore diffraction of the anti-explosion door and the sleeve at the converter transformer valve side after deflagration occurs, the problem that a gap exists in the original anti-explosion door is solved, and the fireproof performance of the plugging system is greatly improved.
2. The fiber inorganic antiknock plate has stronger flame resistance, antiknock property and impact resistance, has good weather resistance, and is a better fireproof antiknock material.
3. The fireproof heat-insulating porous microcrystalline ceramic has high-performance heat-insulating fireproof performance, and can effectively resist the transmission of high temperature on the converter transformer side to the interior of a valve hall.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an explosion-proof and fire-proof integrated plugging system for a converter transformer bushing;
fig. 2 is a schematic diagram of a side view of the plugging system integrated with the explosion-proof and fire-proof functions of the converter transformer bushing.
1, A plugging system; 2. aluminum silicate aerogel; 3. a sleeve; 4. an antiknock plate; 5. a fire protection plate; 6. a keel; 7. needling an aluminum silicate blanket; 8. microcrystalline ceramics; 9. a concrete frame.
Detailed Description
For a better understanding of the present invention, reference is made to the following description, drawings and examples.
The invention provides an anti-explosion and fireproof integrated plugging system for a converter transformer bushing, which is fixedly connected with a support frame body through an anti-explosion unit, a fireproof unit and the support frame body, and the bushing is in sealing connection with the anti-explosion unit, the fireproof unit and the support frame body, so that no pore exists between the bushing and the plugging system, the plugging system is not damaged through pore diffraction of an anti-explosion door and the bushing at the converter transformer valve side after the explosion of the converter transformer occurs, the problem that the original anti-explosion door has gaps is solved, and the fireproof performance of the plugging system is greatly improved.
Example 1:
As shown in fig. 1 and 2, the plugging system is of a multi-layer structure, and the multi-layer structure comprises an antiknock unit layer, a fireproof unit layer and a support frame body layer; the support frame body layer is fixed at the firewall for blocking the opening; the antiknock unit layer and the fireproof unit layer are both fixed on the support frame layer and face to one side of the converter transformer; the sleeve 3 sequentially passes through the antiknock unit layer, the fireproof unit layer and the support frame body layer, and the contact parts are connected in a sealing way. In this embodiment, antiknock unit layer, fire prevention unit layer and support body layer set up in order, and antiknock unit layer is located towards the one side of converter transformer. The anti-explosion unit layer, the fireproof unit layer and the support frame body layer are in close contact without gaps; the contact part is the contact part of the sleeve 3 and the anti-explosion unit layer, the contact part of the sleeve 3 and the fireproof unit layer and the contact part of the sleeve 3 and the support frame body layer, and the contact part of the sleeve 3 and the anti-explosion unit layer, the contact part of the sleeve 3 and the fireproof unit layer and the contact part of the sleeve 3 and the support frame body layer are in sealing connection.
The antiknock unit layer comprises an antiknock plate 4 and a fastening screw; the antiknock plate 4, the fireproof unit layer and the support frame layer are sequentially arranged and mutually pressed; the threaded end parts of the fastening screws penetrate through the antiknock plate 4 and the fireproof unit layer and are fixedly arranged on the support frame layer. The antiknock plate 4 is 9-10mm thick. The antiknock plate 4 comprises a low-magnetic stainless steel perforated plate and a fiber inorganic solid waste material; the fiber inorganic solid waste material is pressed between two low-magnetic stainless steel perforated plates. The fiber inorganic solid waste material is prepared by mixing 1-2% by weight of inorganic basalt fiber, and 3:3:4 by weight of fly ash, slag and cement.
The specific parameter of the blast resistant panel 4 is a 9.5mm thick fiber inorganic blast resistant panel 4. The fiber inorganic antiknock plate 4 is formed by pressing a 0.5mm thick low-magnetic stainless steel perforated plate, 8.5mm thick fiber inorganic solid waste material and 0.5mm thick low-magnetic stainless steel perforated plate. The preparation method of the inorganic fiber antiknock plate 4 comprises the following steps:
S1, preparation of a material: the basalt fiber composite material comprises, by weight, 2% of basalt fiber materials, 30% of fly ash, 30% of slag, 40% of cement and 0.3% of water reducer.
S2, mixing and stirring: the above materials were added to a stirring apparatus, and after mixing by continuous stirring, 0.4 of water-to-gel ratio water was added to ensure that the various materials were sufficiently and uniformly mixed together.
S3, molding by a mold: the uniformly mixed materials are poured into a mould which is prepared in advance, and bubbles are removed by using methods such as vibration, so that the materials are filled into each corner of the mould, and the surface is ensured to be flat.
S4, curing: and (5) conveying the die to a normal temperature curing box for curing and curing for 14 days, and taking out.
S5, stamping and forming: and removing the die to take out the sample, and carrying out stamping forming on the two sides of the sample by adopting stainless steel plates with the thickness of 0.5 mm.
The support frame body layer comprises grid-shaped keels 6, and the periphery side is fixedly arranged in the plugging hole in a sealing way. The contact part is filled with aluminum silicate aerogel 2, and is in sealing connection with the antiknock plate 4 and the fireproof plate 5 for heat insulation and fire resistance.
The fireproof unit layer comprises a fireproof plate 5 and connecting screws; the fireproof plate 5 is fixedly arranged on the support frame layer through connecting screws. The fire-proof plate 5 is 15-25mm thick.
The fire protection unit layer also comprises an aluminum silicate needled blanket 7; the aluminum silicate needled blanket 7 is filled in the grid of the keel 6; the side of the aluminum silicate needled blanket 7 facing the fire protection plate 5 is in close contact with the fire protection plate 5.
And a plate-shaped microcrystalline ceramic 8 is fixedly arranged on one side of the keel 6 away from the antiknock unit layer. The thickness of the microcrystalline ceramic 8 is 55-65 mm. Microcrystalline ceramic 8 fills the sides of keel 6 near the valve hall.
The microcrystalline ceramic 8 in the embodiment is 60mm thick porous microcrystalline ceramic 8, specifically refractory heat-insulating porous microcrystalline ceramic 8, which is prepared by adopting aeolian sand, tailings and coal gangue as raw materials and performing high temperature foaming and sintering, and the specific preparation method comprises the following steps:
Raw material preparation: suitable raw materials such as alumina, silicate, rare earth oxide, etc. are selected. And determining the formula proportion of various raw materials according to design requirements.
S1, mixing and forming: the raw materials are uniformly mixed according to a certain proportion, and then a proper amount of plasticizer and bonding agent are added, and a uniform mixture is formed after stirring. And filling the mixture into a mould, and pressing to form the mixture into the shape and the size required by design.
S2, early sintering: and (3) performing early sintering on the formed ceramic blank to remove plasticizers and organic matters, and primarily combining and forming particles.
S3, foaming treatment: foaming treatment is carried out at a certain temperature, and a microporous structure is formed by controlling the generation and escape of gas, so that the heat preservation performance of the ceramic is improved.
S4, high-temperature sintering: and sintering the ceramic blank subjected to foaming treatment at high temperature to enable particles to be more tightly combined to form a stable microcrystalline structure, so that the fire resistance and the heat preservation performance are improved.
S5, surface treatment: the ceramics are subjected to surface treatments such as coating, cladding, etc. as needed to improve the surface properties and durability thereof.
The fiber inorganic antiknock plate 4 has stronger flame resistance, antiknock property and impact resistance, and has good weather resistance, thus being a better fireproof antiknock material. The fireproof heat-insulating porous microcrystalline ceramic 8 has high-performance heat-insulating fireproof performance, and can effectively resist the transmission of high temperature on the converter transformer side to the interior of the valve hall. The fiber inorganic antiknock plate 4 and the fireproof heat-insulating porous microcrystalline ceramic 8 are widely applied to materials such as low-cost industrial solid waste fly ash, slag, tailing and the like, so that the fireproof and antiknock performances of the plugging system 1 are met, the problems of accumulation and pollution of the industrial solid waste and the like are solved, the energy conservation and emission reduction of the converter station building engineering are promoted, and the 'double carbon' aim is realized by assistance.
In this embodiment, the plugging system 1 includes four layers of structures, from the converter transformer side to the valve hall side, the antiknock plate 4, the fireproof plate 5, the keel 6 and the microcrystalline ceramic 8 are sequentially arranged, specifically, the first layer is 9.5mm thick fiber inorganic antiknock plate 4, the second layer is 20mm thick inorganic fireproof plate 5, the third layer is 60mm x 3mm low magnetic stainless steel keel 6, the middle pore of the keel 6 is filled with aluminum silicate needled blanket 7, the fourth layer is 60mm thick fireproof heat-insulation porous microcrystalline ceramic 8, the antiknock plate 4, the fireproof plate 5, the keel 6 and the microcrystalline ceramic 8 are sequentially fixedly connected through the dovetail nails, the problems of fire prevention and antiknock separation of the original plugging system are solved, the thickness of the original antiknock door and the plugging system is reduced from 610mm to 150mm thick, the material consumption is saved, the engineering cost is reduced, the economical efficiency is improved, the thickness is thin, the weight is light, the manufacturing cost is low, the installation and disassembly is simple, the construction difficulty is reduced, the power failure loss is greatly improved, the converter transformer is shortened, the exit time is caused by the change is shortened, and the utilization rate of direct current energy is increased. Meanwhile, the plugging system provided by the embodiment does not have pores, and after deflagration occurs to the converter transformer, the plugging system is not damaged by pore diffraction of the antiknock door and the sleeve at the side of the converter transformer valve, so that the problem that the original antiknock door has gaps is solved, and the fire resistance of the plugging system is greatly improved.
The specific implementation method comprises the following steps: firstly, after converter transformer is in place, an L-shaped angle steel is installed at a plugging hole of a sleeve pipe 3 at the side of a reserved valve, the angle steel is fixed with a concrete frame 9 through an expansion bolt, a stainless steel keel 6 frame is installed on the L-shaped angle steel frame from bottom to top after the angle steel is fixed, an aluminum silicate needled blanket 7 is filled in the frame after the keel 6 is fixed in place, a first layer of 20mm inorganic fireproof plate 5 is installed outside a valve hall, the fireproof plate 5 is fixed with the keel 6 through a dovetail nail, a first layer of 9.5mm fiber inorganic antiknock plate 4 is installed, the first layer of fiber inorganic antiknock plate 4 is fixed to the stainless steel keel 6 through a second layer of inorganic fireproof plate 5 through a dovetail nail, and a 60mm fireproof heat-insulation porous microcrystalline ceramic 8 is fixed with the stainless steel keel 6 inside the valve hall.
According to the plugging system disclosed by the invention, through testing, when the thickness of a plugging structure with the size of 5 multiplied by 5m is 149.5mm, the plugging system 1 is subjected to equivalent explosion of 1kgTNT explosive, after the impact force is 600kPa, the plugging system 1 is not destroyed, and after being integrally transported to a fire resistance limit test base, a fire resistance limit test is carried out, a temperature rising curve is heated according to hydrocarbon fire, the fire resistance limit can reach 4 hours, the heat insulation performance is excellent, the environmental temperature of 1100 ℃ on a fire facing surface and not higher than 50 ℃ on a backfire surface is met, and the plugging system has the characteristics of being detachable, easy to assemble, low in unit weight and the like. The risk of weakening of fireproof performance caused by separation of the explosion-proof door and the fireproof plugging system 1 can be solved, the overall thickness of the plugging system 1 of the converter transformer sleeve 3 is reduced, the overall explosion-proof and fireproof performance of the plugging system 1 is improved, and the integrity and fireproof performance of the plugging system 1 after the converter transformer has a fire disaster fault are ensured.
The original anti-explosion door structure is about 310mm thick, and the plugging system structure is 300mm, and the integrated plugging system provided by the invention adopts novel materials and structures, has the overall thickness within 150mm thick, and has fireproof and anti-explosion performances. The anti-explosion door and fireproof blocking system separation-caused risk of weakening of fireproof performance can be solved, meanwhile, the integral thickness of the converter transformer sleeve blocking system is reduced by utilizing the anti-explosion fireproof material, the integral anti-explosion and fireproof performance of the blocking system is improved, and the integrity and fireproof performance of the blocking system after the converter transformer has a fire disaster fault are guaranteed.
Example 2:
the embodiment provides a preparation method of an explosion-proof and fireproof integrated plugging system for a converter transformer bushing, which comprises the following steps:
Fixedly mounting a support frame layer of an explosion-proof and fireproof integrated plugging system of the converter transformer sleeve at a plugging hole;
A fireproof unit layer of an explosion-proof and fireproof integrated plugging system of the converter transformer sleeve is arranged on one side of the support frame body layer facing the converter transformer in a sealing manner;
Sealing and mounting an antiknock unit layer of an antiknock and fireproof integrated plugging system of the converter transformer sleeve on one side of the fireproof unit layer facing the converter transformer;
The sleeve sequentially passes through the support frame layer, the fireproof unit layer and the antiknock unit layer, and the contact parts are connected in a sealing way.
And sealing and installing an antiknock unit layer of an antiknock and fireproof integrated plugging system of a converter transformer sleeve on one side of the fireproof unit layer facing to the converter transformer, wherein the antiknock unit layer comprises:
and the microcrystalline ceramic of the plugging system integrating the explosion resistance and the fire resistance of the converter transformer sleeve is fixedly arranged on one side of the supporting frame body layer far away from the explosion-resistant unit layer.
And a fireproof unit layer of an explosion-proof and fireproof integrated plugging system for the converter transformer sleeve is arranged on one side of the support frame body layer facing the converter transformer in a sealing way, and the fireproof unit layer comprises:
and filling an aluminum silicate needled blanket of an explosion-proof and fireproof integrated plugging system of the converter transformer sleeve in the support frame body layer.
It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as enabling any modification, equivalent replacement, improvement or the like which comes within the spirit and principles of the present invention, are included within the scope of the appended claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410947511.8A CN118482242B (en) | 2024-07-16 | 2024-07-16 | A plugging system for converter transformer bushing with integrated explosion-proof and fire-proof function and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410947511.8A CN118482242B (en) | 2024-07-16 | 2024-07-16 | A plugging system for converter transformer bushing with integrated explosion-proof and fire-proof function and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118482242A CN118482242A (en) | 2024-08-13 |
| CN118482242B true CN118482242B (en) | 2024-11-19 |
Family
ID=92191538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410947511.8A Active CN118482242B (en) | 2024-07-16 | 2024-07-16 | A plugging system for converter transformer bushing with integrated explosion-proof and fire-proof function and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118482242B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203821745U (en) * | 2014-03-22 | 2014-09-10 | 烟台斯坦普精工建设有限公司 | Microcrystal foam ceramic thermal insulation decoration composite board |
| CN105781364A (en) * | 2016-03-21 | 2016-07-20 | 哈尔滨工业大学 | Staggered splicing type steel plate-RPC anti-detonation door and construction method thereof |
| CN112031493A (en) * | 2020-07-28 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Novel valve hall plugging structure and anti-explosion checking method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005010354U1 (en) * | 2005-07-01 | 2005-10-20 | Hfh Products Europe Gmbh | Damming system for damming door, wall and window openings as result of catastrophe or fire comprises U-bend having U-shaped side enclosed by plastic tubing surrounding two parallel bend-resistant plates |
| RU2622265C1 (en) * | 2016-05-10 | 2017-06-13 | Олег Савельевич Кочетов | Counter-explosion kochetov's panel with combined damper element |
| CN111456483A (en) * | 2020-05-18 | 2020-07-28 | 国网浙江省电力有限公司检修分公司 | A kind of fire blocking reinforcement structure |
| CN212835982U (en) * | 2020-07-03 | 2021-03-30 | 南通世睿电力科技有限公司 | Converter transformer valve room valve side sleeve pipe hole fire prevention shutoff transformation structure |
-
2024
- 2024-07-16 CN CN202410947511.8A patent/CN118482242B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203821745U (en) * | 2014-03-22 | 2014-09-10 | 烟台斯坦普精工建设有限公司 | Microcrystal foam ceramic thermal insulation decoration composite board |
| CN105781364A (en) * | 2016-03-21 | 2016-07-20 | 哈尔滨工业大学 | Staggered splicing type steel plate-RPC anti-detonation door and construction method thereof |
| CN112031493A (en) * | 2020-07-28 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Novel valve hall plugging structure and anti-explosion checking method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118482242A (en) | 2024-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11440845B2 (en) | Fireproof material and fireproof plate, and fireproof wall structure for tunnel and construction method | |
| CN109553428B (en) | Ceramic fiber refractory castable and preparation method thereof | |
| CN118482242B (en) | A plugging system for converter transformer bushing with integrated explosion-proof and fire-proof function and preparation method thereof | |
| CN102173717A (en) | Production method of high-strength light environment-friendly insulation fire-proof plate | |
| CN111734046A (en) | Foamed ceramic composite board, preparation method thereof and wallboard for building | |
| CN102182312A (en) | Construction method of armoured foam concrete heat-insulation wall body | |
| CN104446546A (en) | Method for preparing non-asbestos water-tolerant fireproof light-weight board by comprehensively utilizing solid wastes in steel mill | |
| CN212271299U (en) | Cast-in-place heat preservation system of infilled wall and structure combination | |
| CN212641922U (en) | Foamed ceramic composite board and wallboard for building | |
| CN109572090B (en) | Thermal insulation material and preparation method thereof | |
| CN112209698B (en) | Fireproof foaming board, fireproof wallboard and preparation method thereof | |
| CN106836623A (en) | The construction and the practice of a kind of quadrate steel pipe column tongue and groove bridge cutoff type anti-seismic heat-preservation integrated wallboard structure | |
| CN108147753B (en) | Recycled concrete, assembled composite wallboard and preparation method thereof | |
| CN107447903B (en) | Cast-in-situ building heat preservation integrated pitched roof structure and construction method | |
| CN202131686U (en) | Energy-saving and environment-friendly beam column | |
| KR101838658B1 (en) | Dry underfloor heating system which can be easily changeable and repaired of pipe | |
| KR102462936B1 (en) | Composite insulation for buildings with excellent flame retardant and moisture-proof performance and improved energy efficiency | |
| CN219178279U (en) | Fire-resistant composite heat insulation module | |
| CN213296702U (en) | Composite heat-insulating wallboard for building | |
| CN201241422Y (en) | Heat insulation and heat preservation sound-and-fire proof light composite wall board | |
| CN102182262A (en) | Armored foamed concrete thermal insulation wall | |
| CN205502298U (en) | Insulation wall | |
| CN110228971B (en) | Glass fiber three-dimensional reinforced light cement batten | |
| CN216095538U (en) | High-temperature oxidation chamber of thermal desorption equipment | |
| CN222649135U (en) | An integrated wall with autoclaved aerated concrete thermal insulation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |