CN209342642U - A kind of fire-resistant coating for steel structure performance testing device - Google Patents
A kind of fire-resistant coating for steel structure performance testing device Download PDFInfo
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- CN209342642U CN209342642U CN201920027541.1U CN201920027541U CN209342642U CN 209342642 U CN209342642 U CN 209342642U CN 201920027541 U CN201920027541 U CN 201920027541U CN 209342642 U CN209342642 U CN 209342642U
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Abstract
The utility model discloses a kind of fire-resistant coating for steel structure performance testing devices, it is related to fire-resistant coating for steel structure detection technique field, including test cavity a and test cavity b, cavity a is tested in the outer end of test cavity b, the outside for testing cavity a is equipped with thermal insulation board, thermal insulation board is supported by heat-insulating bracket, temperature thermocouple is extend into inside test cavity a through thermal insulation board, cavity pressure detection pipes and pressure transmitter are equipped with outside thermal insulation board, cavity pressure detection pipes are extend into inside test cavity a, cavity pressure detection pipes are connected with pressure transmitter, fire tube is equipped with pushing thermal insulation board center, the upper end of fire tube is extend into inside test cavity b, the fire tube protruded into inside test cavity b is equipped with multiple boccas, the sample of coating is coated in test cavity upright side walls, the fire-resistant coating for steel structure performance test of such structure Device can once test the expansion character and fire resistance that can measure coating simultaneously, and the time is greatly saved, and improve testing efficiency height.
Description
Technical field
The utility model relates to fire-resistant coating for steel structure detection technique field, specifically a kind of fire-resistant coating for steel structure performance
Test device.
Background technique
Steel construction will usually lose bearing capacity in 450~650 DEG C of temperature, very big deformation occurs, leads to steel column
Girder steel bending, as a result cannot be used continuously because of excessive deformation, and the fire endurance that the steel construction of protection is generally not added is 15 points
Clock, therefore, in present building exposed steel construction all can sprayed fire proofing coating, the later steel construction of sprayed fire proofing coating can be with
At a high temperature of 750 DEG C, fire endurance reaches 2 hours, even more than 2 hours, and the material mixture ratio of fireproof coating is different, swollen
Swollen performance fire resistance is different, so, before putting into mass production, the expansion character of the fireproof coating is tested.
The Chinese utility model patent for authorizing publication number CN204594909U, discloses a kind of measurement fire-resistant coating for steel structure
The experimental rig of expansion character, it includes furnace body, burner hearth, heating element, temperature control detection device, PLC controller and voltage
Adjuster, the furnace body circumference are equipped with insulating layer, sample to be tested are placed in the burner hearth, the temperature control detection device will
Collected temperature information feeds back to PLC controller, and PLC controller control voltage adjuster adjusts the voltage of heating element
Section.
The test environment of the fire-resistant coating for steel structure expansion performance experiment device of such structure is high temperature, and there is no to direct
The expansion character of contact flame is tested, and this device can only test the expansion character of fire-resistant coating for steel structure, if it is desired to surveying
Try the fire resistance of fireproof coating, it is also necessary to the re-test regular hour in the experimental rig of fire resistance, test result phase
To single, testing efficiency is low.
Utility model content
In view of the deficiencies in the prior art and defect, it is simple that the utility model provides a kind of structure, can be simultaneously
Measure the expansion character and fire resistance of fireproof coating, and primary test it can be concluded that the fireproof coating of a variety of different ratios it is swollen
A kind of fire-resistant coating for steel structure performance testing device of swollen performance and fire resistance.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: a kind of fire-resistant coating for steel structure
Energy test device, including pedestal, the pedestal upper end are provided with test cavity a and test cavity b, and the test cavity a is being surveyed
Try cavity b outer end, it is described test cavity a outside be equipped with thermal insulation board, top be equipped with upper pressure thermal insulation board, lower part be equipped with push every
Hot plate, the thermal insulation board are supported by heat-insulating bracket, and the heat-insulating bracket lower end is fixed on the base, and the upper pressure thermal insulation board is equipped with
Temperature thermocouple, temperature thermocouple are extend into inside test cavity a through thermal insulation board, and cavity pressure is equipped with outside the thermal insulation board
Detection pipes and pressure transmitter, cavity pressure detection pipes are extend into inside test cavity a, cavity pressure detection pipes and pressure inverting
Device is connected, and the lower end center of the pedestal is provided with fire tube, and the upper end of the fire tube is extend into inside test cavity b,
Multiple boccas are provided on the fire tube protruded into inside test cavity b, the lower end of the fire tube is connected with air blower and oil pump, institute
It states and is provided with electric control valve in the connecting pipe between oil pump and fire tube.
The cavity wall material of the test cavity a and test cavity b are high temperature resistants as a further improvement of the utility model,
Material quartz glass.
As a further improvement of the utility model, the test cavity a and test cavity b be cube, described cube
It the vertical cavity wall of body totally 4, the test cavity a and tests in the vertical cavity wall of cavity b and is coated with the sample of water-repellent paint, it is each perpendicular
The sample applied in straight cavity wall can be the coating of different ratio.
The vertical cavity wall of the test cavity a and test cavity b can be taken off as a further improvement of the utility model,
Replacement.
As a further improvement of the utility model, the pressure transmitter 5 and the electric control valve 14 all with calculating
The connection of machine control centre.
The bocca is set along 4 vertical cavity wall corresponding surfaces of test cavity b as a further improvement of the utility model,
Set the bocca in 4 directions.
Compared with prior art, the utility model has the beneficial effect that a kind of steel structure fireproofing of the utility model applies
Performance testing device setting is expected there are two cavity is tested, and one of test cavity is high temperature cavity, can test out fire prevention and apply
The expansion character of material, another test cavity are the cavity that sample can directly contact flame, can test out fireproof coating
Fire resistance, the fire-resistant coating for steel structure performance testing device of such structure can be tested once can measure the swollen of coating simultaneously
Swollen performance and fire resistance, are greatly saved the time, improve testing efficiency height.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and detailed description:
Fig. 1 is a kind of schematic diagram of fire-resistant coating for steel structure performance testing device of the utility model；
Fig. 2 is the A-A cross-sectional view of utility model diagram.
In figure: a. test cavity a, b. test cavity b, 1. pedestals, 2. push thermal insulation boards, 3. thermal insulation boards, 4. heat-insulating brackets,
5. pressure transmitter, 6. cavity pressure detection pipes, 7. cavity walls, 8. samples, press on 9. thermal insulation board, 10. fire tubes, 11. boccas,
12. temperature thermocouple, 13. air blowers, 14. electric control valves, 15. oil pumps.
It is worth noting that, term " center ", "upper", "lower", "left", "right", " perpendicular in the description of the present invention,
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment
In order to which the technical solution of the utility model and beneficial effect are more clearly understood, with reference to the accompanying drawing and it is embodied
The utility model is described in further detail in example, it should be understood that the specific embodiments described herein are only used for managing
The utility model is solved, is not used to limit the utility model, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, is fallen within the protection scope of the utility model.
A kind of fire-resistant coating for steel structure performance testing device of the utility model as shown in Figure 1, 2, including pedestal 1, it is described
1 upper end of pedestal is provided with test cavity a and test cavity b, and the test cavity a is in the outer end of test cavity b, the test chamber
The outside of body a be equipped with thermal insulation board 3, top be equipped with upper pressure thermal insulation board 9, lower part be equipped with pushing thermal insulation board 2, the thermal insulation board 3 by every
Hot bracket 4 supports, and 4 lower end of heat-insulating bracket is fixed on pedestal 1, and the upper pressure thermal insulation board 9 is equipped with temperature thermocouple 12,
Temperature thermocouple 12 is extend into inside test cavity a through thermal insulation board 3, and cavity pressure detection pipes 6 are equipped with outside the thermal insulation board 3
With pressure transmitter 5, cavity pressure detection pipes 6 are extend into inside test cavity a, cavity pressure detection pipes 6 and pressure transmitter 5
It is connected, the lower end center of the pedestal 1 is provided with fire tube 10, and the upper end of the fire tube 10 is extend into test cavity b
Portion protrudes on the fire tube 10 tested inside cavity b and is provided with multiple boccas 11, and the lower end of the fire tube 10 is connected with air blower
13 and oil pump 15, electric control valve 14 is provided in the connecting pipe between the oil pump 15 and fire tube 10.
Further, 7 material of cavity wall of the test cavity a and test cavity b are heat-resisting material quartz glass.
Further, the test cavity a and test cavity b be cube, the vertical cavity wall of the cube totally 4,
The sample of water-repellent paint, the sample applied in each vertical cavity wall 7 are coated in the vertical cavity wall 7 of the test cavity a and test cavity b
Product can be the coating of different ratio.
Further, the vertical cavity wall 7 of the test cavity a and test cavity b can be taken off replacing.
Further, the pressure transmitter 5 and the electric control valve 14 are all connect with computer controlling center.
Further, the air blower 13 is connected with frequency converter and connect with computer controlling center.
Further, the flame in 4 directions is arranged along 47 corresponding surfaces of vertical cavity wall of test cavity b for the bocca 11
Mouthful.
Before carrying out fire-resistant coating for steel structure performance test, thermal insulation board 9 is pressed in opening, by test cavity a and test cavity b
All vertical cavity walls 7 take out, test cavity a includes 4 vertical cavity walls 7, can be coated respectively with the fire prevention painting of 4 kinds of different ratios
Material, test cavity b include 4 vertical cavity walls 7, the fireproof coating being coated with as 4 vertical cavity walls of corresponding test cavity a,
After coating dries, so that it may carry out the performance test of fireproof coating.
When test, all vertical cavity walls 7 for having sprayed fireproof coating are put back into origin-location, cover pressure thermal insulation board 9,
Heat-insulating bracket 4 is fixed, inside forms two closed cavitys, i.e. test cavity a and test cavity b open oil pump 15
With air blower 13, there is flame entrance in fire tube 10 at this time, flame is sprayed along fire tube 10 from bocca 11, tests the chamber of cavity b
Just directly contact flame, temperature thermocouple 12 can measure the temperature in test cavity a, intracavitary pressure to the fireproof coating applied on wall
Power detection pipes 6 can measure the pressure inside test cavity a, and pressure value is sent to pressure transmitter 5.When the cavity temperature measured
Greater than (or being less than) test request defined temperature when, by the electric control valve 14 on computer regulated oil pipe to reduce
(or raising) in-furnace temperature.When the furnace pressure measured is greater than the pressure of (or being less than) test request defined, pass through calculating
Machine adjusts the frequency converter of air blower to increase the revolving speed of (or reduction), to reduce the purpose of (or raising) cavity pressure.Test
Cavity a is the high temperature cavity for keeping certain temperature certain pressure, and test cavity b is the chamber that coating sample can directly contact flame
Body terminates test when coating sample when the inside cavity of this condition reaches the time of test request defined.It is reduced to temperature
When to safety value, the expansion character and fire resistance of the coating sample of every kind of proportion in two cavitys are detected, it was therefore concluded that.
Claims (5)
1. a kind of fire-resistant coating for steel structure performance testing device, it is characterised in that: including pedestal (1), the pedestal upper end setting
There are test cavity a and test cavity b, the test cavity a in the outer end of test cavity b, the outside of the test cavity a is equipped with
Thermal insulation board (3), top are equipped with upper pressure thermal insulation board (9), and lower part, which is equipped with, pushes thermal insulation board (2), and the thermal insulation board (3) is by heat-insulating bracket
(4) it supports, heat-insulating bracket (4) lower end is fixed on pedestal (1), and the upper pressure thermal insulation board (9) is equipped with temperature thermocouple
(12), temperature thermocouple (12) is extend into inside test cavity a through thermal insulation board (3), is equipped with outside the thermal insulation board (3) intracavitary
Pressure detection pipe (6) and pressure transmitter (5), cavity pressure detection pipes (6) are extend into inside test cavity a, and cavity pressure is visited
Test tube (6) is connected with pressure transmitter (5), is provided with fire tube (10) in the lower end center position of the pedestal (1), described
The upper end of fire tube (10) is extend into inside test cavity b, is provided with multiple flames on the fire tube (10) protruded into inside test cavity b
Mouthful (11), the lower end of the fire tube (10) are connected with air blower (13) and oil pump (15), the oil pump (15) and fire tube (10) it
Between connecting pipe on be provided with electric control valve (14).
2. a kind of fire-resistant coating for steel structure performance testing device according to claim 1, it is characterised in that: the test chamber
Cavity wall (7) material of body a and test cavity b are heat-resisting material quartz glass.
3. a kind of fire-resistant coating for steel structure performance testing device according to claim 1, it is characterised in that: the test chamber
Body a and test cavity b is cube, the vertical cavity wall (7) of the cube totally 4, the test cavity a and test cavity b
Vertical cavity wall (7) on be coated with the sample of water-repellent paint, the sample applied in each upright side walls can be the coating of different ratio.
4. a kind of fire-resistant coating for steel structure performance testing device according to claim 1 or 3, it is characterised in that: the survey
Examination cavity a and the vertical cavity wall (7) for testing cavity b can be taken off, and replace.
5. a kind of fire-resistant coating for steel structure performance testing device according to claim 1, it is characterised in that: the bocca
(11) bocca in 4 directions is set along 4 vertical cavity wall (7) corresponding surfaces of test cavity b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027541.1U CN209342642U (en) | 2019-01-08 | 2019-01-08 | A kind of fire-resistant coating for steel structure performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027541.1U CN209342642U (en) | 2019-01-08 | 2019-01-08 | A kind of fire-resistant coating for steel structure performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342642U true CN209342642U (en) | 2019-09-03 |
Family
ID=67761083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920027541.1U Expired - Fee Related CN209342642U (en) | 2019-01-08 | 2019-01-08 | A kind of fire-resistant coating for steel structure performance testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209342642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834898A (en) * | 2021-06-18 | 2021-12-24 | 中南大学 | Method and device for testing flame retardant property of intumescent fire retardant coating under action of ambient wind |
-
2019
- 2019-01-08 CN CN201920027541.1U patent/CN209342642U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834898A (en) * | 2021-06-18 | 2021-12-24 | 中南大学 | Method and device for testing flame retardant property of intumescent fire retardant coating under action of ambient wind |
| CN113834898B (en) * | 2021-06-18 | 2022-07-19 | 中南大学 | Method and device for testing flame retardant property of intumescent fire retardant coating under action of ambient wind |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20220108 |