Building material smoke density tester convenient to use
By designing a combustion grid and a multi-stage flue gas detection system for a building material smoke density tester, the problems of slow material combustion speed and inaccurate flue gas detection were solved, achieving efficient material combustion and accurate flue gas detection.
Patent Information
- Application Number
- CN202520169654.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing building material smoke density testers suffer from slow material combustion and inaccurate smoke detection, resulting in low testing efficiency and inaccurate results.
A building material smoke density tester was designed, comprising a main unit, combustion chamber, combustion mesh, flue gas detection structure, and oxygen delivery system. By increasing the contact area between the material and air and setting up a multi-stage flue gas detection and filtration system, the tester achieves complete combustion of the material and accurate detection of the flue gas.
This improved the material combustion rate and the accuracy of flue gas detection, ensuring both efficiency and precision in the detection process.
Smart Images
Figure CN223581699U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to density test technical field, concretely is a kind of building material smoke density tester of convenient use. BACKGROUND
[0002] Building material smoke density tester is applicable to the determination of static smoke production of building materials and its products and other materials, and it is to ensure the use safety of building materials, to avoid using materials that produce a large amount of smoke or toxic gas when burning as much as possible, so test detection of building material combustion performance is required, and the measurement of smoke emission under specified test conditions is described by the light intensity attenuation of the smoke passing through it;
[0003] The existing building material smoke density tester is mostly directly placed on the net disc during use, but the material is in contact with the net disc, and the area in contact with the external air is small, which can slow down the burning speed of the material and reduce the detection efficiency of the building material smoke density tester. When detecting the flue gas, the light path transmitter and the light path receiver are directly used to detect the flue gas after combustion, but the flue gas contains a large amount of impurities, which can cause the detection result of the flue gas to be not accurate enough. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of the prior art, the utility model provides a building material smoke density tester which is convenient to use, solves the problem that the building material smoke density tester is not convenient to use, and is not convenient to burn the material fully and detect the flue gas more accurately.
[0005] To achieve the purpose of the building material smoke density tester in use, it is convenient to burn the material fully and detect the flue gas more accurately, the utility model provides the following technical scheme: a building material smoke density tester which is convenient to use, comprising a host box, a side box is fixed to the side of the host box, a lighter is fixed to the side box, a combustion chamber is formed in the inside of the host box, a slag collecting box is arranged on the inside bottom of the combustion chamber, a lower support is fixed to the lower inner wall of the combustion chamber, a foot pipe is fixed to the lower support, a foot sleeve is movably inserted into the foot pipe, a storage rack is fixed to the foot sleeve, a combustion net disc is fixed to the inside of the storage rack, and a flue gas detection structure is arranged above the combustion net disc.
[0006] A foot needle is fixed to the combustion net disc, horizontal and vertical horizontal and vertical guide pipes are respectively fixed to the inside of the combustion net disc, horizontal and vertical horizontal and vertical air outlet holes are respectively formed in the side of the combustion net disc, and side filter screens are fixed to the ports of the horizontal and vertical air outlet holes.
[0007] The flue gas detection structure comprises side partitions fixed on the left and right sides of the inner wall of the combustion chamber, a first light path transmitter fixed on the left side partition, a first light path receiver fixed on the right side partition, a gap between the two groups of side partitions forming a lower detection chamber, an upper filter screen fixed on the upper side surface of the main box, and a flue gas filter fixed on the upper side surface of the main box.
[0008] Preferably, the combustion chamber, the lower detection chamber, the upper detection chamber and the flue gas pipe are connected.
[0009] Preferably, the second light path transmitter and the second light path receiver are located on the upper and lower sides of the upper detection chamber.
[0010] Preferably, the separation channel is formed by the gap between the separation plates, and the separation channel is in a serpentine shape.
[0011] Preferably, the first light path transmitter and the first light path receiver are located on the left and right sides of the lower detection chamber.
[0012] Preferably, the storage rack is movably connected with the lower support through the foot pipe and the foot cover.
[0013] Preferably, the inside of the side box is provided with an oxygen generator, the oxygen generator is connected with the pipeline arranged in the lower support through a connecting pipe, and the pipeline arranged in the lower support is connected with the foot pipe.
[0014] Preferably, the inside of the side box is provided with a controller, and the controller is electrically connected with the oxygen generator, the igniter, the first light path transmitter, the first light path receiver, the pressure sensor, the second light path transmitter, the second light path receiver and the flue gas filter arranged in the inside of the side box.
[0015] Compared with the prior art, the convenient-to-use building material smoke density tester has the following beneficial effects:
[0016] 1. The convenient-to-use building material smoke density tester can effectively reduce the contact area with the material by placing the material to be detected on the foot needle, so that the material can better contact with the external air, the igniter can make the material burn, and the oxygen in the horizontal and vertical pipes can be discharged through the horizontal and vertical air outlets during the burning process of the material, so that the oxygen after discharge can contact the bottom surface of the material, thereby increasing the oxygen during burning, so that the material can be fully and efficiently burned.
[0017] 2、 the convenient use building material smoke density tester, the smoke generated by material combustion is filtered after the impurities in the smoke are filtered through the upper filter screen, the smoke enters into the lower detection chamber, the preliminary detection of the smoke density is realized through the No. 1 light path emitter and the No. 1 light path receiver, the preliminary detected smoke moves upwards into the separation channel, the flow speed of the smoke in the separation channel is reduced, when the smoke with reduced moving speed enters into the upper detection chamber, the secondary detection of the smoke density is realized through the No. 2 light path emitter and the No. 2 light path receiver, so as to improve the accuracy of the smoke detection. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is structure schematic view of the utility model;
[0019] Figure 2 It is structure partial sectional view of the utility model;
[0020] Figure 3 It is structure mainframe box schematic view of the utility model;
[0021] Figure 4 It is structure combustion net disc partial sectional view of the utility model;
[0022] Figure 5 It is structure of the utility model Figure 4 It is structure local enlarged schematic view of A place in the utility model.
[0023] 1, mainframe box;2, side machine box;3, igniter;4, combustion chamber;5, residue collecting box;6, lower support;7, foot pipe;8, foot cover;9, storage rack;10, combustion net disc;11, foot needle;12, horizontal guide pipe;13, vertical guide pipe;14, horizontal air outlet hole;15, vertical air outlet hole;16, side filter screen;17, side partition;18, No. 1 light path emitter;19, No. 1 light path receiver;20, lower detection chamber;21, upper filter screen;22, pressure relief pipe;23, pressure sensor;24, upper detection chamber;25, separation plate;26, separation channel;27, No. 2 light path emitter;28, No. 2 light path receiver;29, smoke filter;30, smoke exhaust pipe. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model. In the description of the utility model, it should be indicated that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense; for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0025] Please refer to Figures 1-5 The utility model provides a convenient to use building material smoke density tester, including host case 1, the side surface of host case 1 is fixed with side machine case 2, the side machine case 2 is fixed with igniter 3, the inside of host case 1 is set up with combustion chamber 4, the inside bottom surface of combustion chamber 4 is provided with slag collecting box 5, the lower fixed of the inner wall of combustion chamber 4 has lower support 6, lower support 6 is fixed with foot pipe 7, foot pipe 7 is movably inserted with foot sleeve 8, foot sleeve 8 is fixed with storage rack 9, the inside of storage rack 9 is fixed with combustion mesh disc 10, the top of combustion mesh disc 10 is provided with flue gas detection structure;
[0026] Combustion mesh disc 10 is fixed with foot needle 11, and horizontal and vertical direction are fixed with horizontal duct 12 and vertical duct 13 respectively in the inside of combustion mesh disc 10, and horizontal and vertical direction are set up with horizontal air outlet hole 14 and vertical air outlet hole 15 respectively on the side of combustion mesh disc 10, and the port of horizontal air outlet hole 14 and vertical air outlet hole 15 is fixed with side filter screen 16;
[0027] The flue gas detection structure comprises side partitions 17 fixed on the left and right sides of the inner wall of the combustion chamber 4, a first light path transmitter 18 fixed on the left side partition 17, a first light path receiver 19 fixed on the right side partition 17, a gap between the two groups of side partitions 17 forming a lower detection chamber 20, an upper filter screen 21 fixed at the bottom end of the lower detection chamber 20, a pressure relief pipe 22 fixed on the top end of the lower detection chamber 20, a pressure sensor 23 fixed on the pressure relief pipe 22, a gap between the side partitions 17 and the top surface inside the main box 1 forming an upper detection chamber 24, a partition plate 25 fixed inside the upper detection chamber 24, a gap between the partition plates 25 forming a partition channel 26, a second light path transmitter 27 fixed on the upper side surface of the main box 1, a second light path receiver 28 fixed on the bottom surface of the side partition 17, a flue gas filter 29 fixed on the upper side of the main box 1, and a flue gas discharge pipe 30 fixed on the flue gas filter 29. The material to be detected is placed on the foot needle 11, and then the glass protection door provided on the main box 1 is closed, so as to detect the flue gas generated by the combustion of the material.
[0028] Further, the combustion chamber 4, the lower detection chamber 20, the upper detection chamber 24 and the flue gas discharge pipe 30 are connected, so that the flue gas generated by the combustion of the material passes through the combustion chamber 4, the lower detection chamber 20 and the upper detection chamber 24, is filtered by the flue gas filter 29 and is discharged by the flue gas discharge pipe 30.
[0029] Further, the second light path transmitter 27 and the second light path receiver 28 are located on the upper and lower sides of the upper detection chamber 24, so that the flue gas in the upper detection chamber 24 can be detected by the second light path transmitter 27 and the second light path receiver 28.
[0030] Further, the partition channel 26 is formed by the gap between the partition plates 25, and the partition channel 26 is in a serpentine shape, so that the flue gas can be separated by the partition plates 25, the flow speed of the flue gas in the partition channel 26 is reduced, the flow speed of the flue gas in the upper detection chamber 24 is reduced, and the flue gas is prevented from being quickly discharged by the flue gas discharge pipe 30 after entering the upper detection chamber 24.
[0031] Further, the first light path transmitter 18 and the first light path receiver 19 are located on the left and right sides of the lower detection chamber 20, so that the flue gas in the lower detection chamber 20 can be detected by the first light path transmitter 18 and the first light path receiver 19.
[0032] Further, the storage rack 9 is movably inserted with the foot pipe 7 and the foot sleeve 8 and the lower support 6, so that the storage rack 9 can be quickly installed on the lower support 6 by the foot pipe 7 and the foot sleeve 8.
[0033] Further, the inside of the side machine box 2 is provided with an oxygen generator, the oxygen generator is communicated with the pipeline arranged in the inside of the lower support 6 through a connecting pipe, the pipeline in the inside of the lower support 6 is communicated with the foot pipe 7, so that the foot pipe 7 and the foot sleeve 8 can respectively transport oxygen into the inside of the horizontal conduit 12 and the vertical conduit 13 through the connecting pipe.
[0034] Further, the inside of the side machine box 2 is provided with a controller, the controller is electrically connected with the oxygen generator, the igniter 3, the first light path transmitter 18, the first light path receiver 19, the pressure sensor 23, the second light path transmitter 27, the second light path receiver 28 and the flue gas filter 29 arranged in the inside of the side machine box 2 respectively, so that the controller can control each structure to work cooperatively individually or simultaneously.
[0035] In use, the material to be detected is placed on the foot needle 11, so that the contact area with the material can be effectively reduced, the material can better contact with the external air, then the glass protection door arranged on the main machine box 1 is closed, the material can be ignited by starting the igniter 3, the oxygen generator arranged in the inside of the side machine box 2 is started, the foot pipe 7 and the foot sleeve 8 can respectively transport oxygen into the inside of the horizontal conduit 12 and the vertical conduit 13 through the connecting pipe, the oxygen in the inside of the horizontal conduit 12 and the vertical conduit 13 can be discharged from the horizontal air outlet hole 14 and the vertical air outlet hole 15 respectively, the discharged oxygen can contact with the bottom surface of the material, so that the oxygen during combustion can be increased, the material can be fully and efficiently combusted, the residues generated during the combustion of the material can fall into the residue collecting box 5 for centralized recovery, the flue gas generated during the combustion of the material floats upward, the impurities in the flue gas are filtered through the upper filter screen 21, the flue gas enters the upper detection chamber 20, the first light path transmitter 18 and the first light path receiver 19 are used to realize the preliminary detection of the density of the flue gas, the pressure sensor 23 can monitor the pressure in the inside of the main machine box 1 and adjust the pressure in the inside of the main machine box 1 through the pressure relief pipe 22, the preliminarily detected flue gas moves upward into the separation channel 26 and is separated by the separation plate 25, so that the flow speed of the flue gas in the separation channel 26 is reduced, when the flue gas with reduced moving speed enters the upper detection chamber 24, the second light path transmitter 27 and the second light path receiver 28 are used to realize the secondary detection of the density of the flue gas, so as to improve the accuracy of the detection of the flue gas, the detected flue gas in the inside of the upper detection chamber 24 is filtered through the flue gas filter 29 and is discharged through the flue gas discharge pipe 30.
[0036] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A convenient-to-use building material smoke density tester comprising a main box (1), characterized in that: The side of the main box (1) is fixed with a side machine box (2), a lighter (3) is fixed on the side machine box (2), a combustion chamber (4) is arranged in the main box (1), a slag collecting box (5) is arranged on the bottom of the combustion chamber (4), a lower support (6) is fixed below the inner wall of the combustion chamber (4), a foot pipe (7) is fixed on the lower support (6), a foot sleeve (8) is movably inserted on the foot pipe (7), a storage rack (9) is fixed on the foot sleeve (8), a combustion mesh disc (10) is fixed in the storage rack (9), and a flue gas detection structure is arranged above the combustion mesh disc (10). The combustion mesh disc (10) is fixed with a foot needle (11), and the combustion mesh disc (10) is fixed with a horizontal guide pipe (12) and a vertical guide pipe (13) in the horizontal direction and the vertical direction respectively, and the side of the combustion mesh disc (10) is provided with a horizontal air outlet hole (14) and a vertical air outlet hole (15) in the horizontal direction and the vertical direction respectively, and the side of the combustion mesh disc (10) is provided with a horizontal air outlet hole (14) and a vertical air outlet hole (15) in the horizontal direction and the vertical direction respectively. The flue gas detection structure comprises side partitions (17), which are fixed on the left and right sides of the inner wall of the combustion chamber (4), a first optical path transmitter (18) is fixed on the left side partition (17), a first optical path receiver (19) is fixed on the right side partition (17), a gap between the two groups of side partitions (17) forms a lower detection chamber (20), an upper filter screen (21) is fixed at the bottom of the lower detection chamber (20), a pressure relief pipe (22) is fixed at the top of the lower detection chamber (20), a pressure sensor (23) is fixed on the pressure relief pipe (22), a gap between the side partitions (17) and the top surface of the main box (1) forms an upper detection chamber (24), a partition plate (25) is fixed in the upper detection chamber (24), a partition channel (26) is formed between the partition plates (25), a second optical path transmitter (27) is fixed on the upper surface of the main box (1), a second optical path receiver (28) is fixed on the bottom surface of the side partition (17), a flue gas filter (29) is fixed on the upper side of the main box (1), and a flue gas filter (29) is fixed on the flue gas filter (29).
2. A convenient-to-use building material smoke density tester according to claim 1, characterized in that: The combustion chamber (4), the lower detection chamber (20), the upper detection chamber (24) and the flue gas pipe (30) are connected.
3. The smoke density tester for building materials of claim 1, wherein: The second optical path transmitter (27) and the second optical path receiver (28) are located on the upper and lower sides of the upper detection chamber (24).
4. The smoke density tester for building materials of claim 1, wherein: The partition channel (26) is formed by the gap between the partition plates (25), and the partition channel (26) is in a serpentine shape.
5. The smoke density tester for building materials of claim 1, wherein: The first optical path transmitter (18) and the first optical path receiver (19) are located on the left and right sides of the lower detection chamber (20).
6. The smoke density tester for building materials of claim 1, wherein: The storage rack (9) is movably inserted with the lower support (6) through the foot pipe (7) and the foot sleeve (8).
7. The smoke density tester for building materials of claim 1, wherein: The inside of the side machine box (2) is provided with an oxygen generator, the oxygen generator is connected with the pipeline arranged in the lower support (6) through a connecting pipe, and the pipeline in the lower support (6) is connected with the foot pipe (7).
8. The smoke density tester for building materials of claim 1, wherein: The inside of the side cabinet (2) is provided with a controller, which is electrically connected with the oxygen generator, the igniter (3), the first light path transmitter (18), the first light path receiver (19), the pressure sensor (23), the second light path transmitter (27), the second light path receiver (28) and the flue gas filter (29) arranged in the inside of the side cabinet (2).