CN107843724A - A kind of air circulating type artificial board formaldehyde test device - Google Patents
A kind of air circulating type artificial board formaldehyde test device Download PDFInfo
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- CN107843724A CN107843724A CN201711056559.6A CN201711056559A CN107843724A CN 107843724 A CN107843724 A CN 107843724A CN 201711056559 A CN201711056559 A CN 201711056559A CN 107843724 A CN107843724 A CN 107843724A
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920003064 carboxyethyl cellulose Polymers 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 239000004816 latex Substances 0.000 claims description 6
- 229920000126 latex Polymers 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- IDQBJILTOGBZCR-UHFFFAOYSA-N 1-butoxypropan-1-ol Chemical compound CCCCOC(O)CC IDQBJILTOGBZCR-UHFFFAOYSA-N 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 3
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004965 Silica aerogel Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/46—Wood
Abstract
The invention discloses a kind of air circulating type artificial board formaldehyde test device,Including detection container,Absorbing medium is placed with inside detection container,Detection container top surface is provided with closure,Sealing hd top face side is provided with air pump,The input of air pump is connected with air intake duct,Air intake duct is passed through inside detection container and above absorbing medium away from air pump one end through closure,The output end of air pump is connected with blast pipe,Blast pipe is passed through away from air pump one end through closure inside detection container and insertion absorbing medium bottom,Device for dispensing is provided with the middle part of closure bottom surface,Device for dispensing is fixed on closure bottom surface by fixed mount,Device for dispensing top is electrically connected with battery case through closure,Detection container underside wall is internally provided with cavity,Cavity inside is fixedly installed stirring motor,The rotor of stirring motor is connected with agitating paddle through detection container bottom surface inwall.Have the beneficial effect that：Simple to operate, accuracy of detection is high, small volume, and cost is low.
Description
Technical field
The present invention relates to field, it particularly relates to a kind of air circulating type artificial board formaldehyde test device.
Background technology
At present, conventional to the release of indoor decorating and refurnishing materials artificial board formaldehyde is that Extraction method detects, perforation
Secondary pollution toluene is generated in the experimentation of method, the volatility of toluene is very big, is easy to spread in air, inhales
Acute and chronic benzene poisoning can be caused by entering in human body, and testing cost is high, and operating procedure is complicated.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of in correlation technique, the present invention propose a kind of air circulating type artificial board formaldehyde test device, with gram
Take the above-mentioned technical problem present in existing correlation technique.
The technical proposal of the invention is realized in this way：
A kind of air circulating type artificial board formaldehyde test device, including detection container, absorption is placed with inside the detection container
Medium, the detection container top surface are provided with closure, and the closure is connected through a screw thread with the detection container, described close
Capping top surface side is provided with air pump, and the input of the air pump is connected with air intake duct, and the air intake duct is away from the air pump one
End is passed through inside the detection container and above the absorbing medium through the closure, and the output end of the air pump connects
Blast pipe is connected to, the blast pipe is passed through inside the detection container and inserted through the closure away from described air pump one end
The absorbing medium bottom, the closure bottom surface middle part are provided with device for dispensing, and the device for dispensing is fixed by fixed mount
In the closure bottom surface, the device for dispensing top is electrically connected with battery case through the closure, and the battery case is fixed
In the sealing hd top face, the detection container underside wall is internally provided with cavity, and the cavity inside is fixedly installed stirring
Motor, the rotor of the stirring motor are connected with agitating paddle through detection container bottom surface inwall, and the agitating paddle is located at institute
State inside absorbing medium, the stirring motor is electrically connected with the battery case, and the device for dispensing includes fixed top plate, fixation
Bottom plate, fixed column, test block and electrical heating silk screen, the fixed top plate top surface are fixed on the fixed top of support, the fixation
Bottom plate is connected by the fixed column with the fixed top plate, the test block be movably connected on the fixed top plate with it is described solid
Between determining bottom plate, the electrical heating silk screen is fixed between the fixed top plate and the fixed bottom plate and is located at the test block
Both sides, the electrical heating silk screen and the air pump are electrically connected with the battery case respectively.
Further, the air intake duct is located at the gas collection of one section of closure top and the air pump with the blast pipe
Outside is coated with heat-insulation layer.
Further, it is respectively arranged with electricity between the heat-insulation layer and the air intake duct, the blast pipe and the air pump
Silk is hindered, the resistance wire is electrically connected with the battery case.
Further, the air intake duct inserts the detection container one end side and has been placed equidistant some air admission holes.
Further, the fixed bottom plate bottom surface both ends have been respectively fixedly connected with ventilation motor, and the ventilation motor turns
Son is fixedly connected with flabellum, and the ventilation motor is electrically connected with the battery case.
Further, the direction of rotation of two ventilation motors is identical.
Further, the air intake duct, which is located above the closure, is connected with auxiliary tube, is provided with the auxiliary tube
Valve one.
Further, the air intake duct is provided with valve two between the closure and the auxiliary tube.
In view of temperature has a great influence to accuracy of detection, the present invention has also carried out improvement processing to insulation layer material, specifically,
The heat-insulation layer is prepared by the raw material of following parts by weight：
Epoxy resin latex 100-200 parts, acrylic acid 50-70 parts, nanometer silicon carbide 10-15 parts, nano aluminium oxide 10-15 parts,
Aerosil 4-7 parts, carboxyethyl cellulose 3-5 parts, propandiol butyl ether 2-4 parts, glass fibre 2-4 parts, poly dimethyl
Siloxanes 1-2 parts, organic silicon defoamer 1-2 parts；
The heat-insulation layer is prepared according to following technique：
1）Each raw material is taken according to parts by weight；
2）Epoxy resin latex and acrylic acid are stirred, whipping temp control is at 25-30 DEG C, speed of agitator 1000-
2000rpm, mixing time 30-60min, obtains major ingredient；
3）Nanometer silicon carbide, nano aluminium oxide, aerosil, carboxyethyl cellulose, propane diols fourth are added into major ingredient
Ether, organic silicon defoamer, 5-10min is stirred with 1000-2000rpm speed, stops stirring, stands 15min；
4）Glass fibre and dimethyl silicone polymer are added, 20-30min is stirred with 200-300rpm speed, stops stirring,
Produce coating；
5）Gained coating is coated, natural drying obtains heat-insulation layer, thickness 1-3mm.
Compared with prior art, the present invention has the advantages that：
Appropriate absorbing medium is added in detection container, absorbing medium can be selected water and ethanol, detection piece is fixed on and distributed
In device, whole device is linked together by rotary seal cap, air pump, stirring motor and electrical heating are opened by battery case
The switch of silk screen so that air pump does not stop to draw the air of detection container top half, is circulated through absorbing medium so that give out
The formaldehyde come is incorporated in absorbing medium, is finally contained again with the formaldehyde in iodimetry or photometric analysis quantitative analysis absorbing medium
Amount；By setting stirring motor and agitating paddle, formaldehyde can be accelerated to be passed through in absorbing medium so that formalin is uniform, prevents
Nearby formalin saturation causes formaldehyde not absorb to blast pipe, improves the accuracy of detection of detection means；Electrical heating silk screen is set
Put, the temperature of the working environment of wood-based plate can be not only provided, the release that temperature accelerates formaldehyde inside detection piece can also be improved,
It can require to carry out change detection according to different, substantially increase the accuracy of detection and detection speed of detection means, improve detection
The use range of device, this is using new, and overall structure is simple, simple to operate, and small volume, material therefor is cheap, cost
Low, use range is extensive.
Heat-insulation layer of the present invention is coated using thermal insulation coatings, possesses preferable wearability and adhesive force, thermal conductivity factor drops significantly
It is low, improve heat-insulating property；Epoxy resin is due to epoxide group, good attachment is respectively provided with to grounds such as plastics and metals
Power, also there is certain wettability to wet face, strengthen its adhesive force；The specific surface area of aerosil up to 600 ㎡/g,
Its density is minimum can be to 40kg/m3, and the mean free path of its gap size and air molecule is close, the gas molecule in nano-pore
The ability of nature flowing is lost, the efficiency of heat transfer is substantially reduced, almost 0, so as to improve heat-proof quality；Using specific ratio
The nanometer silicon carbide and nano aluminium oxide of example, the gap between nano material form heat not convection unit, effectively shielded simultaneously
Heat energy, prevent the conduction of heat energy so that material thermal conductivity is low, improves heat-insulating property；Glass fibre is improving the strength of materials
While, good wear resistant corrosion resistant, the performance of insulation can be also provided for coating；The accuracy for detecting data is played good
Ensure.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure figure of air circulating type artificial board formaldehyde test device according to embodiments of the present invention；
Fig. 2 is the device for dispensing structure chart of air circulating type artificial board formaldehyde test device according to embodiments of the present invention；
Fig. 3 is the air intake duct sectional view of air circulating type artificial board formaldehyde test device according to embodiments of the present invention.
In figure：
1st, detection container；2nd, absorbing medium；3rd, closure；4th, air pump；5th, air intake duct；6th, blast pipe；7th, device for dispensing；701st, it is solid
Determine top plate；702nd, fixed bottom plate；703rd, fixed column；704th, test block；705th, electrical heating silk screen；8th, battery case；9th, cavity；10、
Stirring motor；11st, agitating paddle；12nd, fixed mount；13rd, heat-insulation layer；14th, resistance wire；15th, air admission hole；16th, ventilation motor；17th, fan
Leaf；18th, auxiliary tube；19th, valve one；20th, valve two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
Embodiment 1
As Figure 1-3, air circulating type artificial board formaldehyde test device according to embodiments of the present invention, including detection container 1,
Be placed with absorbing medium 2 inside the detection container 1, the top surface of detection container 1 is provided with closure 3, the closure 3 with
The detection container 1 is connected through a screw thread, and the top surface side of closure 3 is provided with air pump 4, and the input of the air pump 4 connects
Air intake duct 5 is connected to, the air intake duct 5 is passed through inside the detection container 1 away from described one end of air pump 4 through the closure 3
And blast pipe 6 is connected with positioned at the top of absorbing medium 2, the output end of the air pump 4, the blast pipe 6 is away from the gas
The one end of pump 4 is passed through the inside of detection container 1 and the insertion bottom of absorbing medium 2, the closure through the closure 3
Device for dispensing 7 is provided with the middle part of 3 bottom surfaces, the device for dispensing 7 is fixed on the bottom surface of closure 3 by fixed mount 12, described
The top of device for dispensing 7 is electrically connected with battery case 8 through the closure 3, and the battery case 8 is fixed on the top surface of closure 3,
The underside wall of detection container 1 is internally provided with cavity 9, and stirring motor 10, the stirring are fixedly installed inside the cavity 9
The rotor of motor 10 is connected with agitating paddle 11 through the bottom surface inwall of detection container 1, and the agitating paddle 11 is located at the absorption
Inside medium 2, the stirring motor 10 is electrically connected with the battery case 8, and the device for dispensing 7 includes fixation top plate 701, consolidated
Determine bottom plate 702, fixed column 703, test block 704 and electrical heating silk screen 705, the fixed top surface of top plate 701 is fixed on described solid
Determine the top surface of frame 12, the fixed bottom plate 702 is connected by the fixed column 703 with the fixed top plate 701, the test block
704 are movably connected between the fixed top plate 701 and the fixed bottom plate 702, and the electrical heating silk screen 705 is fixed on described
Fix between top plate 701 and the fixed bottom plate 702 and be located at the both sides of test block 704, the electrical heating silk screen 705 and institute
Air pump 4 is stated to be electrically connected with the battery case 8 respectively.
In one embodiment, in order to prevent formaldehyde vapor from being liquefied in course of conveying, accuracy of detection is influenceed, can be passed through
Using the air intake duct 5 and the blast pipe 6 positioned at painting on the outside of the collection chamber of one section of the top of closure 3 and the air pump 4
Heat-insulation layer 13 is covered to realize.
In one embodiment, in order to further prevent formaldehyde vapor from being liquefied in course of conveying, accuracy of detection is influenceed,
Resistance can be respectively arranged with by using between the heat-insulation layer 13 and the air intake duct 5, the blast pipe 6 and the air pump 4
Silk 14, the resistance wire 14 are electrically connected with the battery case 8 to realize.
In one embodiment, can be by using the suction in order to further fully absorb the gas inside detection container 1
Tracheae 5 inserts the one end side of detection container 1 and has been placed equidistant some air admission holes 15 to realize.
In one embodiment, in order to further heighten the internal gas uniformity of detection container 1, it is easy to formaldehyde fully to inhale
Receive, ventilation motor 16 can be respectively fixedly connected with by using the fixed bottom surface both ends of bottom plate 702, the ventilation motor 16
Rotor is fixedly connected with flabellum 17, and the ventilation motor 16 is electrically connected with the battery case 8 to realize.
In one embodiment, can be by using two institutes in order to which that further heightens the formaldehyde of test block 704 distributes speed
Identical realize the direction of rotation for stating ventilation motor 16.
In one embodiment, in order to further discharge into the formaldehyde inside air pump 4, measuring accuracy is improved, can be by using
The air intake duct 5 is connected with auxiliary tube 18 positioned at the top of closure 3, and valve 1, institute are provided with the auxiliary tube 18
State air intake duct 5 and be provided with valve 2 20 between the closure 3 and the auxiliary tube 18 to realize.
In summary, by means of the above-mentioned technical proposal of the present invention, appropriate absorbing medium 2 is added in detection container 1,
Water and ethanol is can be selected in absorbing medium 2, and detection piece is fixed in device for dispensing 7, is connected whole device by rotary seal cap 3
It is connected together, the switch of air pump 4, stirring motor 10 and electrical heating silk screen 705 is opened by battery case 8 so that air pump 4 does not stop to inhale
The air of the top half of detection container 1 is taken, is circulated through absorbing medium 2 so that the formaldehyde come out incorporates absorbing medium 2
In, finally again with the content of formaldehyde in iodimetry or photometric analysis quantitative analysis absorbing medium 2；By setting stirring motor
10 and agitating paddle 11, formaldehyde can be accelerated to be passed through in absorbing medium 2 so that formalin is uniform, prevents the formaldehyde nearby of blast pipe 6
Solution saturation causes formaldehyde not absorb, and improves the accuracy of detection of detection means；The setting of electrical heating silk screen 705, not only can be with
The temperature of the working environment of wood-based plate is provided, the release that temperature accelerates formaldehyde inside detection piece can also be improved, can be according to difference
It is required that carrying out change detection, the accuracy of detection and detection speed of detection means are substantially increased, improves the use of detection means
Scope, this is using new, and overall structure is simple, simple to operate, and small volume, material therefor is cheap, and cost is low, use range
Extensively.
Embodiment 2
A kind of heat-insulation layer, it is prepared by the raw material of following parts by weight：
Epoxy resin latex 100-200 parts, acrylic acid 50-70 parts, nanometer silicon carbide 10-15 parts, nano aluminium oxide 10-15 parts,
Aerosil 4-7 parts, carboxyethyl cellulose 3-5 parts, propandiol butyl ether 2-4 parts, glass fibre 2-4 parts, poly dimethyl
Siloxanes 1-2 parts, organic silicon defoamer 1-2 parts；
The heat-insulation layer is prepared according to following technique：
1）Each raw material is taken according to parts by weight；
2）Epoxy resin latex and acrylic acid are stirred, whipping temp control is at 25-30 DEG C, speed of agitator 1000-
2000rpm, mixing time 30-60min, obtains major ingredient；
3）Nanometer silicon carbide, nano aluminium oxide, aerosil, carboxyethyl cellulose, propane diols fourth are added into major ingredient
Ether, organic silicon defoamer, 5-10min is stirred with 1000-2000rpm speed, stops stirring, stands 15min；
4）Glass fibre and dimethyl silicone polymer are added, 20-30min is stirred with 200-300rpm speed, stops stirring,
Produce coating；
5）Gained coating is coated, natural drying obtains heat-insulation layer, thickness 2mm.
Embodiment 3
Heat-insulation layer performance test of the present invention：
Examination criteria is as follows：
Dry adhesive force：It is measured according to GB/T9286-1998 methods；
Moisture substrate pastes intensity：Coating is brushed after basal plane wetting and determines its peel strength afterwards above, according to GBT 7122-
1996 methods；
Wearability：Applying coating is subjected to wear-resisting test on pot disk, surveyed at room temperature by abrasion instrument (5131, Taber, the U.S.)
Try wearability, test condition：Emery wheel CS-10, load force 500g, circulate 500 times, by the mass loss after test loop come table
The wearability of coating is levied, mass loss is fewer, and the scoring resistance of coating is better；
Thermal conductivity factor：Determined using GB/T10294-2008 methods.
Control group is set, detects influence of each component to heat-insulation layer performance, wherein,
Comparative example 1：Nanometer silicon carbide and nano alumina material are not added, remaining is the same as embodiment 2；Compared with Example 2, it is incubated
Performance, wearability and adhesive force all decline.
Comparative example 2：Silica aerogel material is not added, remaining is the same as embodiment 2；Compared with Example 2, thermal conductivity factor
Greatly improve, heat-insulating property declines obvious.
Comparative example 3：Compare with embodiment 2, only acrylic acid is used in the system of comparative example 3（Adding proportion is equivalent in embodiment 2
Epoxy resin and acrylic acid plus and）, epoxy resin is not added, moisture substrate is pasted intensity and adhesive force and all declined substantially.
Specific testing result is shown in Table 1：
Table 1
| Group | Dry adhesive force | Moisture substrate pastes intensity MPa | Wearability（750g, 500r）/mg | Thermal conductivity factor（W/m.k） |
| Embodiment 2 | 0 grade | 1.62 | 0.09 | 0.087 |
| Comparative example 1 | 2 grades | 1.27 | 0.25 | 0.196 |
| Comparative example 2 | 1 grade | 1.59 | 0.12 | 0.213 |
| Comparative example 3 | 3 grades | 0.95 | 0.14 | 0.117 |
As shown in table 1, compared with comparative example 1-3, each component of the invention is with good cooperative characteristics, using specific
During proportioning, possesses preferable wearability and adhesive force, thermal conductivity factor substantially reduces, and improves heat-insulating property.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of air circulating type artificial board formaldehyde test device, it is characterised in that including detection container（1）, the detection appearance
Device（1）Inside is placed with absorbing medium（2）, the detection container（1）Top surface is provided with closure（3）, the closure（3）With
The detection container（1）It is connected through a screw thread, the closure（3）Top surface side is provided with air pump（4）, the air pump（4）'s
Input is connected with air intake duct（5）, the air intake duct（5）Away from the air pump（4）One end passes through the closure（3）It is passed through institute
State detection container（1）It is internal and be located at the absorbing medium（2）Top, the air pump（4）Output end be connected with blast pipe
（6）, the blast pipe（6）Away from the air pump（4）One end passes through the closure（3）It is passed through the detection container（1）It is internal
And the insertion absorbing medium（2）Bottom, the closure（3）Device for dispensing is provided with the middle part of bottom surface（7）, the device for dispensing
（7）Pass through fixed mount（12）It is fixed on the closure（3）Bottom surface, the device for dispensing（7）Top passes through the closure（3）
It is electrically connected with battery case（8）, the battery case（8）It is fixed on the closure（3）Top surface, the detection container（1）Underside wall
It is internally provided with cavity（9）, the cavity（9）Inside is fixedly installed stirring motor（10）, the stirring motor（10）Turn
Son passes through the detection container（1）Bottom surface inwall is connected with agitating paddle（11）, the agitating paddle（11）Positioned at the absorbing medium
（2）Inside, the stirring motor（10）With the battery case（8）Electrical connection, the device for dispensing（7）Including fixed top plate
（701）, fixed bottom plate（702）, fixed column（703）, test block（704）With electrical heating silk screen（705）, the fixed top plate
（701）Top surface is fixed on the fixed mount（12）Top surface, the fixed bottom plate（702）Pass through the fixed column（703）With it is described
Fixed top plate（701）Connection, the test block（704）It is movably connected on the fixed top plate（701）With the fixed bottom plate
（702）Between, the electrical heating silk screen（705）It is fixed on the fixed top plate（701）With the fixed bottom plate（702）Between and
Positioned at the test block（704）Both sides, the electrical heating silk screen（705）With the air pump（4）Respectively with the battery case（8）Electricity
Gas connects.
2. air circulating type artificial board formaldehyde test device according to claim 1, it is characterised in that the air intake duct
（5）With the blast pipe（6）Positioned at the closure（3）One section of top and the air pump（4）Collection chamber outer application have guarantor
Warm layer（13）.
3. air circulating type artificial board formaldehyde test device according to claim 2, it is characterised in that the heat-insulation layer
（13）With the air intake duct（5）, the blast pipe（6）With the air pump（4）Between be respectively arranged with resistance wire（14）, the electricity
Hinder silk（14）With the battery case（8）Electrical connection.
4. air circulating type artificial board formaldehyde test device according to claim 1, it is characterised in that the air intake duct
（5）Insert the detection container（1）One end side has been placed equidistant some air admission holes（15）.
5. air circulating type artificial board formaldehyde test device according to claim 1, it is characterised in that the fixed bottom plate
（702）Bottom surface both ends have been respectively fixedly connected with ventilation motor（16）, the ventilation motor（16）Rotor be fixedly connected with flabellum
（17）, the ventilation motor（16）With the battery case（8）Electrical connection.
6. air circulating type artificial board formaldehyde test device according to claim 5, it is characterised in that two ventilations
Motor（16）Direction of rotation it is identical.
7. air circulating type artificial board formaldehyde test device according to claim 1, it is characterised in that the air intake duct
（5）Positioned at the closure（3）Top is connected with auxiliary tube（18）, the auxiliary tube（18）On be provided with valve one（19）.
8. air circulating type artificial board formaldehyde test device according to claim 7, it is characterised in that the air intake duct
（5）Positioned at the closure（3）With the auxiliary tube（18）Between be provided with valve two（20）.
9. air circulating type artificial board formaldehyde test device according to claim 2, it is characterised in that the heat-insulation layer
（13）It is prepared by the raw material of following parts by weight：
Epoxy resin latex 100-200 parts, acrylic acid 50-70 parts, nanometer silicon carbide 10-15 parts, nano aluminium oxide 10-15 parts,
Aerosil 4-7 parts, carboxyethyl cellulose 3-5 parts, propandiol butyl ether 2-4 parts, glass fibre 2-4 parts, poly dimethyl
Siloxanes 1-2 parts, organic silicon defoamer 1-2 parts.
10. air circulating type artificial board formaldehyde test device according to claim 2, it is characterised in that the heat-insulation layer
（13）It is prepared according to following technique：
1）Each raw material is taken according to parts by weight；
2）Epoxy resin latex and acrylic acid are stirred, whipping temp control is at 25-30 DEG C, speed of agitator 1000-
2000rpm, mixing time 30-60min, obtains major ingredient；
3）Nanometer silicon carbide, nano aluminium oxide, aerosil, carboxyethyl cellulose, propane diols fourth are added into major ingredient
Ether and organic silicon defoamer, 5-10min is stirred with 1000-2000rpm speed, stops stirring, stands 15min；
4）Glass fibre and dimethyl silicone polymer are added, 20-30min is stirred with 200-300rpm speed, stops stirring,
Produce coating；
5）Gained coating is coated, natural drying obtains heat-insulation layer.
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| CN201711056559.6A CN107843724A (en) | 2017-11-01 | 2017-11-01 | A kind of air circulating type artificial board formaldehyde test device |
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| CN201711056559.6A CN107843724A (en) | 2017-11-01 | 2017-11-01 | A kind of air circulating type artificial board formaldehyde test device |
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| Publication Number | Publication Date |
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| CN107843724A true CN107843724A (en) | 2018-03-27 |
Family
ID=61681835
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| CN201711056559.6A Pending CN107843724A (en) | 2017-11-01 | 2017-11-01 | A kind of air circulating type artificial board formaldehyde test device |
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Cited By (1)
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| CN113030446A (en) * | 2021-04-12 | 2021-06-25 | 北京市智通建筑设备厂 | Energy-conserving detection device of formaldehyde emission for architectural coatings production |
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