Detection device for smoke density of building material
By purifying the flue gas by using calcium chloride adsorbent and activated carbon adsorption blocks in the smoke density detection device of building materials, the problem of direct emission of polluted air is solved, and an environmentally friendly and efficient detection process is achieved.
Patent Information
- Application Number
- CN202422888063.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-26
AI Technical Summary
During the inspection, the existing building material smoke density detection device, harmful substances in the combustion flue gas are directly discharged into the external environment, polluting the air.
The filtering component is adopted, which contains calcium chloride adsorbent and activated carbon adsorption blocks, absorb harmful gases and volatile organic compounds in the flue gas, and combines a smoke exhaust fan to extract and purify the flue gas.
Reduces the emission of harmful substances, protects air quality, and improves cleanliness and detection accuracy.
Smart Images

Figure CN223259501U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smoke density detection of building materials, in particular to a detection device for the smoke density of building materials. Background Art
[0002] Building materials are the various materials used in construction projects. There are many types of building materials, which can be broadly divided into: inorganic materials, which include metallic materials (including ferrous and nonferrous metals) and non-metallic materials (such as natural stone, burnt earth products, cement, concrete, and silicate products). Organic materials, which include plant-based materials, synthetic polymer materials (including plastics, coatings, adhesives), and asphalt materials. Composite materials, which include asphalt concrete and polymer concrete, are generally composed of inorganic non-metallic materials and organic materials. To ensure that buildings can effectively protect people in the event of a fire, reduce fire damage to buildings, and improve building fire safety, a building material smoke density tester is used to test the smoke density of building materials.
[0003] When existing smoke density detection devices for building materials are actually used, building materials need to be burned when conducting smoke density detection. Most of the smoke generated after combustion is directly discharged into the external environment. The harmful substances contained in the smoke will pollute the air and affect the air quality. Utility Model Content
[0004] The purpose of the present utility model is to provide a device for detecting the smoke density of building materials, so as to solve the problem proposed in the above background technology that when conducting smoke density detection on building materials, the building materials need to be burned, and most of the smoke generated after combustion is directly discharged into the external environment. The harmful substances contained in the smoke will pollute the air and affect the air quality.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a device for detecting the smoke density of building materials, comprising a smoke density detection box, an adjustment rod being threadedly connected to one side of the smoke density detection box, a placement assembly being fixedly connected to one end of the adjustment rod, a smoke exhaust hole being opened on the upper surface of the other side of the smoke density detection box, a smoke exhaust hood being fixedly connected to the surface of the smoke exhaust hole, a filter assembly being fixedly connected to one end of the smoke exhaust hood,
[0006] The placement assembly includes a card frame fixedly connected to one end of the adjustment rod, a card block is clamped inside the card frame, and a connecting piece is fixedly connected to one side of the card block;
[0007] The filter assembly includes a filter tube fixedly connected to one end of the smoke exhaust hood, a calcium chloride adsorbent is arranged inside the filter tube, an activated carbon adsorption block is arranged on one side of the calcium chloride adsorbent, and the edge of the inner wall of the filter tube is clamped with a limiting frame.
[0008] As a further solution of the present invention, the inner bottom wall of the smoke density detection box is provided with a combustion device, a reference light source is provided on one side of the inner wall of the smoke density detection box, and a detection light source is provided on the other side of the inner wall of the smoke density detection box. The smoke density detection box is convenient for checking the smoke density of building materials.
[0009] As a further solution of the present invention, a control device is provided on one side of the outer wall of the smoke density detection box, and an air source pressure device is provided on the other side of the outer wall of the smoke density detection box. The control device facilitates the control of various operations and calibrations and displays various detection data.
[0010] As a further solution of the present invention, the upper end of the connecting piece is fixedly connected to a sample grid, and the bottom end of the connecting piece is fixedly connected to an overflow rack, and the sample grid is convenient for placing the building materials to be tested.
[0011] As a further solution of the present invention, an adjustment sleeve is fixedly connected to the surface of the smoke exhaust hood, a rotating wheel is rotatably connected to the interior of the adjustment sleeve, and a baffle is fixedly connected to the bottom end of the rotating wheel, which facilitates sealing the smoke exhaust hole.
[0012] As a further solution of the present invention, a smoke exhaust frame is provided inside the smoke exhaust hood, and a smoke exhaust fan is fixedly connected to the inside of the smoke exhaust frame. The smoke exhaust fan is convenient for exhausting the smoke generated by combustion in the smoke density detection box.
[0013] As a further solution of the present invention, stabilizing columns are fixedly connected to the four sides of the bottom surface of the smoke density detection box, and the surfaces of the stabilizing columns are threadedly connected to supporting legs, which facilitate improving the stability of the smoke density detection box.
[0014] The utility model provides a device for detecting smoke density of building materials, which has the following beneficial effects:
[0015] 1. The device for detecting the smoke density of building materials is provided with a filter component. When the smoke density detection of building materials is completed, the wheel is rotated to open the baffle, and the smoke exhaust fan is started to draw out the smoke from the smoke density detection box. The smoke passes through the calcium chloride adsorbent to adsorb harmful gases contained in the smoke. When passing through the activated carbon adsorption block, volatile organic compounds (VOCs) or odors are adsorbed, thereby reducing the emission of harmful substances. This avoids the smoke generated after the combustion of building materials during the smoke density detection containing harmful substances being directly discharged into the external environment, which will cause air pollution and affect air quality, and helps protect the environment.
[0016] 2. The device for detecting the smoke density of building materials is configured with an adjustment rod and a placement assembly. When the building materials are to be tested for smoke density, the building materials are placed on a sample grid rack, and the combustion device burns the building materials. The overflow generated by the combustion falls onto the overflow rack below. When the test is completed and it is necessary to clean them, the card block is removed from the card rack, and the sample grid rack and the overflow rack are cleaned, thereby achieving the effect of convenient and quick installation and removal, avoiding the situation where the sample grid rack and the overflow rack cannot be removed, resulting in incomplete cleaning, and the residues after combustion remaining in the sample grid rack, affecting the accuracy of subsequent detection, and helping to improve the convenience of cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the overall split structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the components of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the filter assembly of the utility model.
[0021] In the figure: 1. Smoke density detection box; 2. Adjustment rod; 3. Placement component; 301. Card rack; 302. Card block; 303. Connecting piece; 4. Smoke exhaust hole; 5. Smoke exhaust hood; 6. Filter assembly; 601. Filter tube; 602. Calcium chloride adsorbent; 603. Activated carbon adsorption block; 7. Control device; 8. Air source pressure device; 9. Sample grid; 10. Overflow rack; 11. Rotor; 12. Baffle; 13. Smoke exhaust fan; 14. Stabilizing column; 15. Support leg. DETAILED DESCRIPTION
[0022] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0023] See also Figures 1 to 4 The utility model provides a technical solution: a device for detecting the smoke density of building materials, comprising a smoke density detection box 1, an adjusting rod 2 being threadedly connected to one side of the smoke density detection box 1, a placement component 3 being fixedly connected to one end of the adjusting rod 2, a smoke exhaust hole 4 being opened on the upper surface of the other side of the smoke density detection box 1, a smoke exhaust hood 5 being fixedly connected to the surface of the smoke exhaust hole 4, a filter component 6 being fixedly connected to one end of the smoke exhaust hood 5,
[0024] The placement component 3 includes a bracket 301 fixedly connected to one end of the adjusting rod 2, a bracket 301 internally clamped with a clamping block 302, and one side of the clamping block 302 is fixedly connected to a connecting piece 303. Through the arrangement of the adjusting rod 2 and the placement component 3, when the building material is subjected to smoke density detection, the building material is placed on the sample grid rack 9, the combustion device burns the building material, and the overflow generated by the combustion falls onto the overflow rack 10 below. After the detection is completed and it needs to be cleaned, the clamping block 302 is removed from the bracket 301, and the sample grid rack 9 and the overflow rack 10 are cleaned, thereby achieving the effect of convenient and quick installation and removal, avoiding the sample grid rack 9 and the overflow rack 10 being unable to be removed, resulting in incomplete cleaning, and the residue after combustion remaining in the sample grid rack 9, affecting the accuracy of the later detection, which helps to improve the convenience of cleaning;
[0025] The filter assembly 6 includes a filter tube 601 fixedly connected to one end of the smoke exhaust hood 5. A calcium chloride adsorbent 602 is provided inside the filter tube 601. An activated carbon adsorption block 603 is provided on one side of the calcium chloride adsorbent 602. The edge of the inner wall of the filter tube 601 is clamped with a limit frame. Through the arrangement of the filter assembly 6, when the smoke density test of the building materials is completed, the rotor 11 is rotated to open the baffle 12, and the smoke exhaust fan 13 is started to draw out the smoke from the smoke density test box 1. When the smoke passes through the calcium chloride adsorbent 602, harmful gases contained in the smoke are adsorbed. When the smoke passes through the activated carbon adsorption block 603, volatile organic compounds (VOCs) or odors are adsorbed, thereby reducing the emission of harmful substances. This avoids the smoke generated by the combustion of building materials during the smoke density test containing harmful substances being directly discharged into the external environment, which will pollute the air and affect the air quality, thereby helping to protect the environment.
[0026] The inner bottom wall of the smoke density detection box 1 is provided with a combustion device, a reference light source is provided on one side of the inner wall of the smoke density detection box 1, and a detection light source is provided on the other side of the inner wall of the smoke density detection box 1. Through the setting of the smoke density detection box 1, the smoke density of building materials is detected;
[0027] A control device 7 is provided on one side of the outer wall of the smoke density detection box 1, and an air source pressure device 8 is provided on the other side of the outer wall of the smoke density detection box 1. The air source pressure device 8 is provided to adjust the air source pressure.
[0028] The upper end of the connecting piece 303 is fixedly connected to the sample grid 9, and the bottom end of the connecting piece 303 is fixedly connected to the overflow rack 10. The sample grid 9 is provided to place the building materials to be tested.
[0029] The surface of the smoke exhaust hood 5 is fixedly connected to an adjustment sleeve, the interior of the adjustment sleeve is rotatably connected to a runner 11, and the bottom end of the runner 11 is fixedly connected to a baffle 12. The baffle 12 is provided to seal the smoke exhaust hole 4.
[0030] The interior of the smoke exhaust hood 5 is provided with a smoke exhaust frame, and the interior of the smoke exhaust frame is fixedly connected to a smoke exhaust fan 13. The smoke exhaust fan 13 is provided to discharge the smoke generated by the combustion of the smoke density detection box 1;
[0031] The bottom of the smoke density detection box 1 is fixedly connected to the four sides with stabilizing columns 14. The surface of the stabilizing columns 14 is threadedly connected to the support legs 15. The arrangement of the stabilizing columns 14 and the support legs 15 improves the stability of the smoke density detection box 1.
[0032] In the present invention, the working steps of the device are as follows:
[0033] Step 1: When the smoke density of building materials is tested, the building materials are placed on the sample rack 9, and the combustion device burns the building materials. The overflow generated by the combustion falls onto the overflow rack 10 below. When the test is completed and it is necessary to clean them, the card block 302 is removed from the card rack 301, and the sample rack 9 and the overflow rack 10 are cleaned;
[0034] Step 2: When the smoke density test of building materials is completed, rotate the wheel 11, open the baffle 12, start the smoke exhaust fan 13, and draw the smoke from the smoke density test box 1 out. The smoke passes through the calcium chloride adsorbent 602 to adsorb harmful gases contained in the smoke. When passing through the activated carbon adsorption block 603, volatile organic compounds (VOCs) or odors are adsorbed.
[0035] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system, and control system are not fully described. However, those skilled in the art can clearly understand the details of its power mechanism, power supply system, and control system on the premise that they understand the principle of the above-mentioned utility model. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art.
[0036] The standard parts used can be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.
[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for detecting smoke density of building materials, comprising a smoke density detection box (1), characterized in that: One side of the smoke density detection box (1) is threadedly connected to an adjusting rod (2), one end of the adjusting rod (2) is fixedly connected to a placement component (3), a smoke exhaust hole (4) is opened on the upper surface of the other side of the smoke density detection box (1), a smoke exhaust hood (5) is fixedly connected to the surface of the smoke exhaust hole (4), and one end of the smoke exhaust hood (5) is fixedly connected to a filter component (6). The placement component (3) comprises a bracket (301) fixedly connected to one end of the adjustment rod (2); a bracket (302) is clamped inside the bracket (301); and a connecting piece (303) is fixedly connected to one side of the bracket (302); The filter assembly (6) comprises a filter tube (601) fixedly connected to one end of the smoke exhaust hood (5); a calcium chloride adsorbent (602) is provided inside the filter tube (601); an activated carbon adsorption block (603) is provided on one side of the calcium chloride adsorbent (602); and the edge of the inner wall of the filter tube (601) is clamped with a limit frame.
2. The device for detecting smoke density of building materials according to claim 1, characterized in that: The inner bottom wall of the smoke density detection box (1) is provided with a combustion device, one side of the inner wall of the smoke density detection box (1) is provided with a reference light source, and the other side of the inner wall of the smoke density detection box (1) is provided with a detection light source.
3. The device for detecting smoke density of building materials according to claim 1, characterized in that: A control device (7) is provided on one side of the outer wall of the smoke density detection box (1), and an air source pressure device (8) is provided on the other side of the outer wall of the smoke density detection box (1).
4. The device for detecting smoke density of building materials according to claim 1, characterized in that: The upper end of the connecting piece (303) is fixedly connected to a sample grid rack (9), and the bottom end of the connecting piece (303) is fixedly connected to an overflow rack (10).
5. The device for detecting smoke density of building materials according to claim 1, characterized in that: An adjustment sleeve is fixedly connected to the surface of the smoke exhaust hood (5), a rotating wheel (11) is rotatably connected to the interior of the adjustment sleeve, and a baffle (12) is fixedly connected to the bottom end of the rotating wheel (11).
6. The device for detecting smoke density of building materials according to claim 1, characterized in that: A smoke exhaust frame is provided inside the smoke exhaust hood (5), and a smoke exhaust fan (13) is fixedly connected to the inside of the smoke exhaust frame.
7. The device for detecting smoke density of building materials according to claim 1, characterized in that: The bottom surface of the smoke density detection box (1) is fixedly connected to stabilizing columns (14) on all four sides, and the surface of the stabilizing columns (14) is threadedly connected to supporting legs (15).