CN114311209A - Production device and process of fireproof flame-retardant plate - Google Patents
Production device and process of fireproof flame-retardant plate Download PDFInfo
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- CN114311209A CN114311209A CN202111644158.9A CN202111644158A CN114311209A CN 114311209 A CN114311209 A CN 114311209A CN 202111644158 A CN202111644158 A CN 202111644158A CN 114311209 A CN114311209 A CN 114311209A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
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- 239000002023 wood Substances 0.000 claims description 26
- 238000011049 filling Methods 0.000 claims description 21
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- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 229960001545 hydrotalcite Drugs 0.000 claims description 4
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
The invention relates to the technical field of fire prevention, in particular to a production device and a production process of a fireproof flame-retardant plate, wherein the production device comprises a device body, a frame body is hollow in the device body and has a supporting and sealing effect, and the thickness of the frame body is 10cm-15 cm; this internal fixedly connected with notes material chamber from top to bottom in proper order of device, spraying chamber, upset chamber and inspection chamber, it is used for the fire source sprayer of sheet material fire prevention inspection to be provided with the multiunit in the inspection intracavity, can effectively guarantee the device course of working with framework 10cm-15cm, the temperature of processing environment improves the production efficiency of timber, wherein sets gradually annotates the material chamber, and the processing of timber can be carried out in the short time in spraying chamber, upset chamber and inspection chamber, guarantees the machining effect, wherein sets up the fire source sprayer, can effectively improve the timely quality inspection of timber.
Description
Technical Field
The invention relates to the technical field of fire prevention, and relates to a production device and a production process of a fire-retardant plate.
Background
Various decorative building boards used in the current market are various, some of which are directly colorful and naturally mined building materials, and then are slightly processed to be directly used for buildings, such as: natural marble, earthen bricks, natural wood, and the like, which are the most commonly used building materials in the construction industry. However, the material directly obtained from natural materials can not meet a large number of requirements of the current market, the preparation in the fire prevention aspect is complex, the preparation needs to be carried out through a complex flow, and the fire prevention effect can not be guaranteed well in time.
In addition, because the wooden board made of natural materials is very easy to be limited and changed by the heat and moisture resistance, although the aesthetic property is better than that of other boards, the wooden board is also limited by the strength, so that the wooden board cannot be widely used by the architectural decoration industry.
Disclosure of Invention
The invention aims to provide a production device and a production process of a fireproof flame-retardant plate, and solves the problems that the production time of a fireproof flame-retardant plate in the prior art is long and the fireproof effect cannot be checked in time.
The purpose of the invention is realized by the following technical scheme that the device comprises a device body, wherein the device body is internally hollow and is provided with a frame body with a supporting and sealing function, and the thickness of the frame body is 10cm-15 cm; this internal fixedly connected with notes material chamber, spraying chamber, upset chamber and inspection chamber from top to bottom in proper order of device, it is used for the fire source sprayer of sheet material fire prevention inspection to be provided with the multiunit in the inspection chamber.
It should be noted that, the frame body 10cm-15cm can effectively ensure the temperature of the processing environment in the processing process of the device, improve the production efficiency of the wooden door, wherein the material injection cavity, the spraying cavity, the overturning cavity and the inspection cavity are sequentially arranged to process the wooden door in a short time, ensure the processing effect, and the fire source injector is arranged to effectively improve the timely quality inspection of the wooden door.
And a transmission channel for assisting in moving the wood board and a driving belt for driving the wood board are respectively arranged in two sides of the frame body, wherein the transmission channel and the driving belt are driven by a bidirectional motor to move synchronously.
It should be noted that, setting up transmission way and driving band and synchronous motion, can guarantee to the utmost that the removal of timber is high-efficient goes on, saved more manpower simultaneously, improve convenient degree.
The injection cavity is detachably connected with a plurality of micro injection pipes, a plurality of fire-proof core materials are filled in the micro injection pipes, and the fire-proof core materials comprise phosphorus flame retardants, aluminum hydroxide and hydrotalcite.
It should be noted that the fireproof core material can be effectively filled by the aid of the material injection cavity, and meanwhile, the fireproof core material is made of hydrotalcite, so that mixing of the core materials can be effectively improved, and fireproof effect is promoted.
A plurality of spray heads are arranged in the spraying cavity at intervals, and meshed small holes are formed in the plurality of spray heads at equal intervals, wherein the spray heads are configured to spray in a foggy manner.
It should be noted that, the coverage rate of the surface of the wooden door can be effectively improved by performing the mist spraying, and the coverage effect is ensured.
And a drying head is arranged in the turning cavity, and the drying head surrounds the wood board to perform surrounding drying for 180-360 degrees.
It should be noted that the annular spray head is arranged, so that the drying efficiency of the whole area of the wooden door can be effectively improved.
One side of the inspection cavity, which is far away from the fire source ejector, is detachably connected with a heating bottom plate for heating the plate bottom, wherein the fire source ejector and the heating bottom plate are configured to perform combined action on a plate fire prevention experiment.
It should be noted that the heating plate is arranged to effectively ensure that the fireproof inspection of the wooden door is carried out in time, and at the moment, the fireproof inspection needs to be carried out through double-sided fireproof testing, so that the efficiency is higher and the safety evaluation reliability is higher after the detection compared with the single-side fireproof inspection in the prior art.
The wood board conveying device is characterized in that a driving block is arranged in the conveying channel in a sliding mode, the peripheral face of the driving belt is fixedly connected with an installation block, connection blocks are arranged on the installation block at intervals, and the connection blocks and the driving block simultaneously clamp a wood board.
It should be noted that the stable transportation operation of timber can be guaranteed to set up drive block, installation piece and connecting block, reduces the risk that midway timber dropped.
The frame is internally detachably connected with a heat insulation door, the lower part of the heat insulation door is rotatably connected with a universal roller set, and the upper part of the heat insulation door is rotatably connected with an annular column for assisting the heat insulation door to rotate.
It should be noted that the high-efficient removal that the insulated door can be guaranteed to set up universal roller train, and the sealed effect can effectively be increased to cooperation annular post simultaneously, guarantees that the high efficiency of fire prevention experiment goes on.
The material filling device is characterized in that a material filling port is arranged on the material filling cavity, a material conveying pipe is detachably connected below the material filling port, and the material filling port is used for filling combustible fluid media.
The combustible fluid medium is mainly supplied to the ignition source injector in the test chamber.
In another aspect of the present application, a process for producing a fireproof flame-retardant sheet is based on the apparatus for producing a fireproof flame-retardant sheet of any one of claims 1 to 8, comprising the steps of: step 1, pre-placing a semi-formed wood door; step 2, injecting the fireproof core material of the wooden door, wherein the injection duration is 10-15 s;
It should be noted that the above steps are obtained after long-term experimental study by the applicant, wherein the thickness of the coating, the flame spraying time, and the like are obtained by the applicant after several repeated experiments, and under the change of various factors, which is different from the experiments performed according to the physical properties of the materials in the prior art.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the frame body is 10cm-15cm, so that the temperature of a processing environment in the processing process of the device can be effectively guaranteed, the production efficiency of the wooden door is improved, the wooden door can be processed in a short time by sequentially arranging the material injection cavity, the spraying cavity, the overturning cavity and the inspection cavity, the processing effect is guaranteed, and the fire source ejector is arranged, so that the timely quality inspection of the wooden door can be effectively improved;
2. the heating plate can effectively ensure that the fireproof inspection of the wooden door is carried out in time, and at the moment, the fireproof inspection needs to be subjected to double-sided fireproof test, so that the efficiency is higher than that of single-side fireproof inspection in the prior art, and the safety evaluation reliability is higher after the detection;
3. set up annular shower nozzle, can effectively improve the drying efficiency of the full area of timber.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Illustration of the drawings: 1-the device body; 11-a material injection cavity; 12-a spray chamber; 13-a turn-over chamber; 14-a fire source injection cavity; 15-a test chamber; 16-heating the soleplate; 17-an insulated door; 18-a bi-directional motor; 2-wood board; 21-a drive block; 22-a mounting block; 23-connecting blocks; 24-a drive belt; 25-a transmission channel; 3-filling a material port; 31-conveying pipe.
Detailed Description
Referring to the accompanying drawing 1, the present embodiment provides a device and a process for producing a fire-retardant plate, which are mainly used to solve the problems of long production time and incapability of timely checking the fire-retardant effect of the fire-retardant plate in the prior art, and the device and the process for producing the fire-retardant plate are already in practical use.
Example 1
The production device of the fireproof flame-retardant plate comprises a device body 1, wherein the device body 1 is internally hollow and is provided with a frame body with a supporting and sealing function, and the thickness of the frame body is 10cm-15 cm; the device body 1 is internally provided with a material injection cavity 11, a spraying cavity 12, a turning cavity 13 and a checking cavity 15 which are fixedly connected in sequence from top to bottom, and a plurality of groups of fire source sprayers 14 for fireproof checking of plates are arranged in the checking cavity 15.
It should be noted that, this application sets up notes material chamber 11, spraying chamber 12, upset chamber 13 and inspection chamber 15, realize the packing to 2 internal materials of plank through annotating material chamber 11, realize the various inoxidizing coating of 2 face spraying of plank through spraying chamber 12, spout through upset chamber 13 and roast plank 2, realize detecting 2 fire behavior of plank through inspection chamber 15, this application is through the setting of a plurality of function cavities of an online, the integration that need go on with a plurality of stations in the workshop becomes and can accomplish for a station, the operation of constantly carrying the product is banned, through the multi-functional operation of a station, shorten production and processing's time, can also accomplish the work of timber production and inspection simultaneously, solve the fire-retardant panel production time of prior art's fire prevention and can't obtain in time inspection problem. On the other hand, among the prior art, the multiple operation often spreads the expansion in the horizontal direction, and the device of this application, its a plurality of function cavities set up in vertical direction, can the space of effectual utilization workshop, reasonable and safe put a plurality of this equipment in certain space, solve among the prior art a plurality of production facility occupation space too big problem.
A transmission channel 25 for assisting in moving the wood board and a driving belt 24 for actively driving the wood board are respectively arranged in two sides of the frame body, wherein the transmission channel 25 and the driving belt 24 are driven by the bidirectional motor 18 to move synchronously.
It should be noted that the transfer of the boards 2 in the respective chambers is realized by means of the transport path 25 and the drive belt 24, and that alternatively, slide rails may be provided, which are driven by means of a lead screw or a hydraulic rod to realize the transfer of the boards 2.
The material injection cavity 11 is detachably connected with a plurality of micro injection pipes, the micro injection pipes are filled with fireproof core materials, and the fireproof core materials comprise phosphorus flame retardants, aluminum hydroxide and hydrotalcite.
It should be noted that the filling of the material in the wood board 2 is realized through the micro injection tube arranged in the material injection cavity 11, preferably, a flow monitor is arranged at a port of the micro injection tube, and a surplus alarm is arranged at one end of the micro injection tube far away from the cavity, so that the micro injection tube is ensured to have the fireproof core material all the time, and the problem that the filling effect is not ideal due to the fact that the filling material is used up in the filling process is avoided.
A plurality of nozzles are arranged in the spraying cavity 12 at intervals, and meshed small holes are formed in the plurality of nozzles at equal intervals, wherein the nozzles are configured to spray mist.
It should be noted that, the material sprayed from the spraying cavity 12 is ensured to be all fog-like through the mesh-like small holes, so that the spraying effect is prevented from being affected by the material in the form of water drops, and the problem of non-uniformity in spraying the wood board 2 is prevented.
A drying head is arranged in the turning cavity 13, and the drying head performs surrounding drying for 180-360 degrees around the wood board 2.
Specifically, be provided with the annular conveying rail in the upset chamber 13, the annular conveying rail is the open loop structure, its open-ended both ends all meet with driving band 24, specifically, plank 2 is the rectangle structure, its minor face sets up on the annular conveying rail and slides on the annular conveying rail, plank 2 conveys to the annular conveying rail from driving band 24 with the horizontality, carry out the slip in-process on the annular rail, realize 180 upsets, plank 2 dries the operation to it constantly at the while of upset by the stoving head, then realize 2 omnidirectional stoving of plank, plank 2 gets back to driving band 24 from the annular rail other end at last and continues the processing of next cavity. In this application, the annular conveying rail for horizontal transfer has realized the function of upset to plank 2, and the unsatisfactory problem of stoving effect among the prior art has still been solved to this application.
A heating base plate 16 for heating the plate bottom is detachably connected to the side, far away from the side provided with the fire source injector 14, in the inspection chamber 15, wherein the fire source injector 14 and the heating base plate 16 are configured to jointly act on the plate fire prevention experiment.
It should be noted that, set up fire source sprayer 14 and heating bottom plate 16 simultaneously, the realization is to the simultaneous heating on both sides surface about plank 2, can detect the respective fire-resistant ability of plank 2 upper and lower surface in, can also monitor the fire-resistant ability of both surfaces simultaneously, in the time of practical use, fire source sprayer 14 and heating bottom plate 16 can use simultaneously, also can use respectively, place plank 2 for prior art and toast from the top on one face, its fire-resistant effect detects the error, and when examining the different surfaces of plank 2, need overturn plank 2, and owing to be in high temperature environment, the upset then needs the interval time or needs external other equipment to overturn, the process of detecting and upset is too loaded down with trivial details, the detection process is too loaded down with trivial details among the prior art has still been solved to this application.
The driving block 21 is arranged in the transmission channel 25 in a sliding mode, the mounting block 22 is fixedly connected to the outer peripheral surface of the driving belt 24, the connecting blocks 23 are arranged on the mounting block 22 at intervals, and the connecting blocks 23 and the driving block 21 clamp the wood board 2 at the same time.
The wood board 2 is clamped through the driving block 21, the mounting block 22 and the connecting block 23, specifically, the two annular conveying rails are symmetrically arranged and are respectively connected with the conveying channel 25 and the driving belt 24, and then the driving block 21, the mounting block 22 and the connecting block 23 can slide on the annular conveying rails, so that the wood board 2 is driven to move and rotate.
The heat insulation door 17 is detachably connected in the frame, the universal roller set 172 is rotatably connected below the heat insulation door 17, and the annular column 171 for assisting the rotation of the heat insulation door 17 is rotatably connected above the heat insulation door 17.
It should be noted that, the heat insulation door 17 and the annular column 171 are arranged, so that the effectiveness of the temperature in the inspection cavity 15 can be guaranteed while the wood board 2 is conveyed out of the device through the heat insulation door 17 and the annular column 17, and the accuracy of the performance detection of the wood board 2 milk pot is improved.
A material filling port 3 is arranged on the material filling cavity 11, a material conveying pipe 31 is detachably connected below the material filling port 3, and the material filling port 3 is used for filling combustible fluid media;
it should be noted that, in another preferred embodiment of this embodiment, a material receiving opening may also be disposed on the material injection cavity 11, and the material receiving opening may be telescopic, or may be shaped as an irregular shape, and the irregular shape may be a hexagon, a heptagon, or the like.
Example 2
The application also provides a production process of the fireproof flame-retardant plate, which comprises the following steps:
step 1, pre-placing a semi-formed wooden door 2;
step 4, performing annular drying operation on the sprayed wooden door 2, wherein the drying duration is 0.5h until no paint drips on the surface;
step 5, carrying out a flame indirect emission experiment on the dried wooden door 2, wherein the flame injection time lasts 3.5s each time, the temperature variation range of flame injection is 100 ℃, and the flame injection temperature of each time can be changed in direct proportion to the injection time;
step 6, taking out the wooden door 2 after the experiment through the heat insulation door 17;
and 7, repeating the steps 1-6 until the processing is finished.
It should be noted that the above steps are preferred embodiments of the present application, wherein the thickness of the coating is related to the duration of drying, specifically, the applicant of the coating spraying thickness in the prior art calculates according to the actual data, the spraying thickness of the surface coating of a general fireproof door is basically more than 10cm, the present application is performed by using a coating with a thickness lower than the general thickness, and by virtue of the difference of the processing steps, the prior art directly performs operations on the fireproof grouting material and the fireproof coating simultaneously, and inevitably or resulting in that two kinds of fireproof operations cannot be timely reacted and fused, which is also a problem that is easy to neglect by those skilled in the art and is easy to occur in the actual operation, and the lack of sufficient reaction operations of the filler and the like cannot necessarily exert the effect of the filler to the utmost extent, it should be noted that the coating itself needs to be continued after spraying, and the slip casting material also need last filling, and this application just satisfies above-mentioned requirement, adopts the method that flame sprayed indirect in the step of this application after that, can effectively carry out the true test of the fire behavior of coating, slip casting material, improves local high temperature resistant effect, consequently to this, the problem of the unstable operation of fire prevention fire retardant plate under the local high temperature condition can also be solved to this application.
Example 2
In this embodiment 2, only the differences from embodiment 1 are described, specifically: step 1, pre-placing a semi-formed wooden door 2;
step 4, performing annular drying operation on the sprayed wooden door 2, wherein the drying duration is 0.8h until no paint drips on the surface;
step 5, carrying out a flame indirect emission experiment on the dried wood door 2, wherein the flame injection time lasts for 4.6s each time, the temperature variation range of flame injection is 185 ℃, and the flame injection temperature of each time can be changed in direct proportion to the injection time;
step 6, taking out the wooden door 2 after the experiment through the heat insulation door 17;
and 7, repeating the steps 1-6 until the processing is finished.
Example 3
In this embodiment 2, only the differences from embodiment 3 are described, specifically: step 1, pre-placing a semi-formed wooden door 2;
step 4, performing annular drying operation on the sprayed wooden door 2, wherein the drying duration is 0.6h until no paint drips on the surface;
step 5, carrying out a flame indirect emission experiment on the dried wooden door 2, wherein the flame injection time lasts for 4s each time, the temperature variation range of flame injection is 170 ℃, and the flame injection temperature of each time can be changed in direct proportion to the injection time;
step 6, taking out the wooden door 2 after the experiment through the heat insulation door 17;
and 7, repeating the steps 1-6 until the processing is finished.
According to the table can definitely be obtained, the treatment steps, the thin-layer coating and the fireproof inspection in the application can be higher, the efficient fireproof flame-retardant plate is provided, and the fireproof efficiency is ensured.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The production device of the fireproof flame-retardant plate is characterized by comprising a device body (1), wherein the device body (1) is internally hollow and is provided with a frame body with a supporting and sealing function, and the thickness of the frame body is 10cm-15 cm; the device is characterized in that a material injection cavity (11), a spraying cavity (12), a turnover cavity (13) and a detection cavity (15) are sequentially and fixedly connected with the device body (1) from top to bottom, and a plurality of groups of fire source sprayers (14) used for fireproof detection of plates are arranged in the detection cavity (15).
2. The production device of a fireproof and flame-retardant board according to claim 1, wherein a transmission channel (25) for assisting in moving the board and a driving belt (24) for actively driving the board are respectively arranged in two sides of the frame body, wherein the transmission channel (25) and the driving belt (24) are driven by a bidirectional motor (18) to move synchronously.
3. The production device of the fireproof flame-retardant plate according to claim 1, wherein a plurality of micro injection pipes are detachably connected in the material injection cavity (11), a fireproof core material is filled in each micro injection pipe, and the fireproof core material comprises a phosphorus flame retardant, aluminum hydroxide and hydrotalcite.
4. The production device of a fireproof flame-retardant plate according to claim 1, wherein a plurality of nozzles are arranged at intervals in the spraying cavity (12), mesh-shaped small holes are formed in the plurality of nozzles at equal intervals, and the nozzles are configured to spray mist.
5. A production device of a fireproof fire-retardant board according to claim 1, wherein a drying head is arranged in the turnover chamber (13), and the drying head performs surrounding drying for 180-360 degrees around the wood board (2).
6. A fire retardant panel production apparatus according to claim 1, wherein a heating base plate (16) for heating the panel bottom is detachably connected to the side of the inspection chamber (15) away from the side where the fire source injector (14) is provided, wherein the fire source injector (14) and the heating base plate (16) are configured to work in conjunction with panel fire tests.
7. The production device of a fireproof and flame-retardant board according to claim 1, wherein a driving block (21) is slidably arranged in the conveying channel (25), a mounting block (22) is fixedly connected to the outer circumferential surface of the driving belt (24), and connecting blocks (23) are arranged on the mounting block (22) at intervals, wherein the connecting blocks (23) and the driving block (21) clamp the wood board (2) simultaneously.
8. The production device of the fireproof flame-retardant plate according to claim 1, wherein a heat insulation door (17) is detachably connected in the frame, universal roller sets (172) are rotatably connected below the heat insulation door (17), and an annular column (171) for assisting the heat insulation door (17) to rotate is rotatably connected above the heat insulation door (17).
9. The production device of the fireproof flame-retardant plate as claimed in claim 1, wherein a material filling opening (3) is arranged on the material filling cavity (11), a material conveying pipe (31) is detachably connected below the material filling opening (3), and the material filling opening (3) is used for filling combustible fluid media.
10. A production process of a fireproof and flame-retardant plate, which is characterized in that the production device of the fireproof and flame-retardant plate based on any one of claims 1 to 9 comprises the following steps:
step 1, pre-placing a semi-formed wooden door (2);
step 2, injecting the fireproof core material of the wooden door (2), wherein the injection duration is 10-15 s;
step 3, spraying the surface fireproof material on the wooden door (2) subjected to fireproof core material injection, wherein the spraying duration is 1-3.5 min, and the thickness of the coating is required to be 3-4.5 cm after spraying;
step 4, performing annular drying operation on the sprayed wooden door (2), wherein the drying duration is 0.5-0.8 h until no paint drips on the surface;
step 5, carrying out a flame indirect emission experiment on the dried wood door (2), wherein the flame injection time lasts for 3.5s-4.6s each time, the temperature variation range of flame injection is 100-185 ℃, and the flame injection temperature of each time can be changed in direct proportion to the injection time;
step 6, taking out the wooden door (2) after the experiment through the heat insulation door (17);
and 7, repeating the steps 1-6 until the processing is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644158.9A CN114311209A (en) | 2021-12-29 | 2021-12-29 | Production device and process of fireproof flame-retardant plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644158.9A CN114311209A (en) | 2021-12-29 | 2021-12-29 | Production device and process of fireproof flame-retardant plate |
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| CN114311209A true CN114311209A (en) | 2022-04-12 |
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| CN202111644158.9A Pending CN114311209A (en) | 2021-12-29 | 2021-12-29 | Production device and process of fireproof flame-retardant plate |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5462601A (en) * | 1993-07-07 | 1995-10-31 | E. I. Du Pont De Nemours And Company | Automated test panel spray/bake device |
| CN207287968U (en) * | 2017-09-15 | 2018-05-01 | 福建省闽清双棱竹业有限公司 | One kind gluing bamboo mat circulation drying system |
| CN108993811A (en) * | 2018-09-17 | 2018-12-14 | 宁波杭州湾新区第九区科技服务有限公司 | A kind of spraying method of wood preservation |
| DE202019101412U1 (en) * | 2018-07-20 | 2019-10-22 | ELTRA Entwicklungs- und Vertriebsgesellschaft von elektronischen und physikalischen Geräten mbH | sample feed |
| CN111036452A (en) * | 2020-01-02 | 2020-04-21 | 三门宣教机械设备有限公司 | Surface spraying device capable of drying in time |
| CN211014160U (en) * | 2019-10-22 | 2020-07-14 | 江苏优盛美装饰材料有限公司 | Fire-proof grade testing device for high-pressure decorative fire-proof plate |
| CN213670055U (en) * | 2020-09-26 | 2021-07-13 | 重庆卓果节能建材有限公司 | Polyphenyl board fire retardant coating spraying device |
| CN113588862A (en) * | 2021-07-26 | 2021-11-02 | 安徽开林新材料股份有限公司 | Performance detection equipment for preparing fireproof flame-retardant anticorrosive paint |
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2021
- 2021-12-29 CN CN202111644158.9A patent/CN114311209A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5462601A (en) * | 1993-07-07 | 1995-10-31 | E. I. Du Pont De Nemours And Company | Automated test panel spray/bake device |
| CN207287968U (en) * | 2017-09-15 | 2018-05-01 | 福建省闽清双棱竹业有限公司 | One kind gluing bamboo mat circulation drying system |
| DE202019101412U1 (en) * | 2018-07-20 | 2019-10-22 | ELTRA Entwicklungs- und Vertriebsgesellschaft von elektronischen und physikalischen Geräten mbH | sample feed |
| CN108993811A (en) * | 2018-09-17 | 2018-12-14 | 宁波杭州湾新区第九区科技服务有限公司 | A kind of spraying method of wood preservation |
| CN211014160U (en) * | 2019-10-22 | 2020-07-14 | 江苏优盛美装饰材料有限公司 | Fire-proof grade testing device for high-pressure decorative fire-proof plate |
| CN111036452A (en) * | 2020-01-02 | 2020-04-21 | 三门宣教机械设备有限公司 | Surface spraying device capable of drying in time |
| CN213670055U (en) * | 2020-09-26 | 2021-07-13 | 重庆卓果节能建材有限公司 | Polyphenyl board fire retardant coating spraying device |
| CN113588862A (en) * | 2021-07-26 | 2021-11-02 | 安徽开林新材料股份有限公司 | Performance detection equipment for preparing fireproof flame-retardant anticorrosive paint |
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