CN211477771U - Heating insulation material's flue gas collection device - Google Patents
Heating insulation material's flue gas collection device Download PDFInfo
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- CN211477771U CN211477771U CN202020066537.9U CN202020066537U CN211477771U CN 211477771 U CN211477771 U CN 211477771U CN 202020066537 U CN202020066537 U CN 202020066537U CN 211477771 U CN211477771 U CN 211477771U
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Abstract
The utility model discloses a flue gas collecting device for heating heat-insulating materials, which comprises a heating furnace, a heating device, an air pump and an absorbing device; a heating device is arranged in the heating furnace, an air outlet of the air pump is communicated with an air inlet end of a first air guide pipe of the heating device through a silica gel hose, and an air outlet end of an air conveying pipe of the heating device is communicated with an air inlet end of a second air guide pipe of the absorption device through a silica gel hose; adding a certain amount of ethyl acetate solution into a large bubble absorption tube of the absorption device. Has the advantages that: the utility model has simple structure, easy realization, short test period and improved detection efficiency; the method does not need to use a mouse experiment, reduces the inspection cost and ensures the accuracy of the experiment.
Description
The technical field is as follows:
the utility model relates to a flue gas collection device, in particular to heating insulation material's flue gas collection device.
Background art:
the method for grading the smoke toxicity risk generated by heating the building thermal insulation material at present comprises the steps of absorbing smoke generated by heating the building thermal insulation material at high temperature by a white mouse, and then, observing the weight change and the physical condition of the white mouse to grade the smoke toxicity risk generated by heating the building thermal insulation material at high temperature, wherein the method has the following problems: 1. because the batches of the heat-insulating materials needing to be subjected to the field inspection in the building engineering are more, a large number of mice are required to be purchased for the test, the inspection cost is increased, and the mice are used for the test more survivingly; 2. after the mice absorb toxic smoke, continuous observation needs to be carried out for 3 days, the test period is long, and the efficiency is low; 3. the classification of the smoke toxicity risk is completely determined according to the physical conditions of the mice, the anti-toxicity capability of each mouse is different, and unskilled experimenters can often not accurately judge the conditions of the mice; therefore, the error of experimental data is large, and the accuracy of the experiment is influenced; and the content of the components in the flue gas cannot be judged.
The utility model has the following contents:
an object of the utility model is to provide a simple structure has improved detection efficiency, and has guaranteed the flue gas collection device of the heating insulation material of experiment accuracy.
The utility model discloses by following technical scheme implement: a flue gas collecting device for heating heat-insulating materials comprises a heating furnace, a heating device, an air pump and an absorption device; the heating furnace is internally provided with the heating device, the air outlet of the air pump is communicated with the air inlet end of the first air guide tube of the heating device through a silica gel hose, and the air outlet end of the air delivery tube of the heating device is communicated with the air inlet end of the second air guide tube of the absorption device through a silica gel hose; 5ml or 10ml of ethyl acetate solution is added into a large bubble absorption tube of the absorption device.
Furthermore, the top of the heating furnace is provided with an opening.
Further, the heating device comprises a heating test tube, a first quartz glass plug, the first air duct and the air conveying pipe; the first quartz glass plug is plugged in the pipe orifice of the heating test tube, and the air outlet end of the first air duct penetrates through the first quartz glass plug and is arranged at the bottom of the inner cavity of the heating test tube; the air inlet end of the air delivery pipe penetrates and is fixed on the first quartz glass plug; the first air duct, the air delivery pipe and the first quartz glass plug are integrally formed.
Further, the absorption device comprises a large bubble absorption tube, a second quartz glass plug and a second gas-guide tube, the second quartz glass plug is plugged at a tube opening of the large bubble absorption tube, and a gas outlet end of the second gas-guide tube penetrates through the second quartz glass plug and is arranged below the liquid level of the ethyl acetate solution; the second air duct and the second quartz glass plug are integrally formed.
Further, corresponding clamping rods are integrally formed on the outer walls of the two sides of the tube opening of the heating test tube respectively; a clamping ring is movably sleeved on the outer wall of the heating test tube, the clamping rod is clamped on the clamping ring, fixing rods are respectively fixed on two sides of the clamping ring, and the fixing rods are lapped on the top of the heating furnace; the heating test tube is inserted into the heating furnace from the opening end of the heating furnace.
Further, the heating test tube is a quartz tube.
The utility model has the advantages that: 1. the utility model discloses simple structure, the easy realization, through placing the insulation material that will detect in the heating test tube, heat to 400 ℃ in the heating furnace, make it produce the flue gas, produced flue gas is carried in the big bubble absorption tube by the air that flows, is absorbed by the ethyl acetate solution, then carries out composition identification and composition content analysis to solution through gas chromatography and gas chromatograph; the test period is shortened, and the detection efficiency is improved; 2. need not to use the mice experiment, reduced the inspection cost, also guaranteed the accuracy of experiment simultaneously, and through the utility model discloses the device can realize the quantification of insulation material production cigarette toxicity.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic sectional view of a portion a-a of fig. 1.
The specific implementation mode is as follows:
as shown in fig. 1-2, a flue gas collecting device for heating insulation material comprises a heating furnace 1, a heating device 2, an air pump 3 and an absorption device 4; the top of the heating furnace 1 is provided with an opening; a heating device 2 is arranged in the heating furnace 1, the air outlet of the air pump 3 is communicated with the air inlet end of a first air duct 2.3 of the heating device 2 through a silica gel hose, and the air outlet end of an air duct 2.4 of the heating device 2 is communicated with the air inlet end of a second air duct 4.3 of the absorption device 4 through a silica gel hose; 5ml or 10ml of ethyl acetate solution 5 is added to the large bubble absorption tube 4.1 of the absorption device 4.
The heating device 2 comprises a heating test tube 2.1, a first quartz glass plug 2.2, a first air duct 2.3 and an air delivery pipe 2.4; the heating test tube 2.1 is a quartz tube; a first quartz glass plug 2.2 is plugged at the pipe orifice of the heating test tube 2.1, and the air outlet end of the first air duct 2.3 penetrates through the first quartz glass plug 2.2 and is arranged at the bottom of the inner cavity of the heating test tube 2.1; the air inlet end of the air delivery pipe 2.4 is fixed on the first quartz glass plug 2.2 in a penetrating way; the first air duct 2.3, the air delivery pipe 2.4 and the first quartz glass plug 2.2 are integrally formed.
The absorption device 4 comprises a large bubble absorption tube 4.1, a second quartz glass plug 4.2 and a second gas guide tube 4.3, the second quartz glass plug 4.2 is plugged at the tube opening of the large bubble absorption tube 4.1, and the gas outlet end of the second gas guide tube 4.3 penetrates through the second quartz glass plug 4.2 and is arranged below the liquid level of the ethyl acetate solution 5; the second gas duct 4.3 is integrally formed with a second quartz glass plug 4.2.
Corresponding clamping rods 2.5 are integrally formed on the outer walls of the two sides of the pipe orifice of the heating test tube 2.1 respectively; a snap ring 6 is movably sleeved on the outer wall of the heating test tube 2.1, a clamping rod 2.5 is clamped on the snap ring 6, fixing rods 7 are respectively fixed on two sides of the snap ring 6, and the fixing rods 7 are lapped on the top of the heating furnace 1; the heating test tube 2.1 is inserted into the heating furnace 1 from the open end of the heating furnace 1.
The working process is as follows: placing a heat-insulating material to be detected into a heating test tube 2.1, then plugging a first quartz glass plug 2.2 into a tube orifice of the heating test tube 2.1, then sleeving a clamping ring 6 on the heating test tube 2.1 and clamping the clamping ring below a clamping rod 2.5, then extending the heating test tube 2.1 into the heating furnace 1 from a furnace orifice of the heating furnace 1, and overlapping a fixing rod 7 on the top of the heating furnace 1; then pouring the ethyl acetate solution 5 into the large bubble absorption tube 4.1, plugging a second quartz glass plug 4.2 into the tube opening of the large bubble absorption tube 4.1, and simultaneously inserting the air outlet end of the second air duct 4.3 below the liquid level of the ethyl acetate solution 5; heating the heating furnace 1 to 400 ℃, so that the heat-insulating material in the heating test tube 2.1 generates flue gas at high temperature, simultaneously introducing air into the heating test tube 2.1 by the air pump 3, being beneficial to conveying the generated flue gas into the large-bubble absorption tube 4.1 along with flowing air, being absorbed by the ethyl acetate solution 5, discharging the rest air from the air outlet pipe on the large-bubble absorption tube 4.1, taking out the solution in the large-bubble absorption tube 4.1, and carrying out component identification and component content analysis on the solution by using a gas chromatograph and a gas chromatograph after the heat-insulating material is completely heated to generate the flue gas; the utility model has simple structure, easy realization, short test period and improved detection efficiency; need not to use the mice experiment, reduced the inspection cost, also guaranteed the accuracy of experiment simultaneously, and through the utility model discloses the device can realize the quantification of insulation material production cigarette toxicity.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A flue gas collecting device for heating heat-insulating materials is characterized by comprising a heating furnace, a heating device, an air pump and an absorption device; the heating furnace is internally provided with the heating device, the air outlet of the air pump is communicated with the air inlet end of the first air guide tube of the heating device through a silica gel hose, and the air outlet end of the air delivery tube of the heating device is communicated with the air inlet end of the second air guide tube of the absorption device through a silica gel hose; and the large bubble absorption tube of the absorption device is filled with an ethyl acetate solution.
2. The flue gas collecting device for heating insulation material of claim 1, wherein the top of the heating furnace is provided with an opening.
3. The flue gas collecting device for heating heat-insulating materials as claimed in claim 2, wherein the heating device comprises a heating test tube, a first quartz glass plug, the first air duct and the air duct; the first quartz glass plug is plugged in the pipe orifice of the heating test tube, and the air outlet end of the first air duct penetrates through the first quartz glass plug and is arranged at the bottom of the inner cavity of the heating test tube; and the air inlet end of the air conveying pipe penetrates and is fixed on the first quartz glass plug.
4. The flue gas collecting device for heating thermal insulation material according to claim 3, wherein the absorbing device comprises a large bubble absorbing pipe, a second quartz glass plug and the second gas-guiding pipe, the second quartz glass plug is plugged at the pipe orifice of the large bubble absorbing pipe, and the gas outlet end of the second gas-guiding pipe penetrates through the second quartz glass plug and is placed below the liquid level of the ethyl acetate solution.
5. The flue gas collecting device for heating heat preservation materials as claimed in claim 3 or 4, wherein corresponding clamping rods are integrally formed on the outer walls of the two sides of the nozzle of the heating test tube respectively; a clamping ring is movably sleeved on the outer wall of the heating test tube, the clamping rod is clamped on the clamping ring, fixing rods are respectively fixed on two sides of the clamping ring, and the fixing rods are lapped on the top of the heating furnace; the heating test tube is inserted into the heating furnace from the opening end of the heating furnace.
6. The flue gas collection device for heating insulation material of claim 5, wherein the heating test tube is a quartz tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020066537.9U CN211477771U (en) | 2020-01-13 | 2020-01-13 | Heating insulation material's flue gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020066537.9U CN211477771U (en) | 2020-01-13 | 2020-01-13 | Heating insulation material's flue gas collection device |
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| Publication Number | Publication Date |
|---|---|
| CN211477771U true CN211477771U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020066537.9U Active CN211477771U (en) | 2020-01-13 | 2020-01-13 | Heating insulation material's flue gas collection device |
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| Country | Link |
|---|---|
| CN (1) | CN211477771U (en) |
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2020
- 2020-01-13 CN CN202020066537.9U patent/CN211477771U/en active Active
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Address after: No.26 Saihan West Street, Saihan District, Hohhot, Inner Mongolia Autonomous Region Patentee after: Hohhot Sifang engineering quality testing Co.,Ltd. Address before: 010040 Office of Hohhot construction engineering test center, 26 Saihan West Street, Saihan District, Hohhot City, Inner Mongolia Autonomous Region Patentee before: HOHHOT SIFANG ENGINEERING QUALITY DETECTION AND TEST CENTER |