Ventilation and noise reduction device for underground fire engineering

Abstract

The utility model is applicable to the technical field of building construction, and provides an underground fire-fighting engineering ventilation and noise reduction device which comprises a box body for underground fire-fighting engineering ventilation and noise reduction, and noise reduction cotton is arranged on the inner wall of the box body; the air inlet pipe fixedly communicates with the box body and is used for being connected with a ventilation pipe of the underground fire engineering; the motor is arranged in the box body, and fan blades are fixed on an output shaft of the motor; and the assembly plate is fixedly mounted in the box body and is used for separating the space in the box body. According to the underground fire engineering ventilation and noise reduction device provided by the scheme, the problem that dust is discharged to pollute the environment in the ventilation period of an existing underground fire engineering ventilation and noise reduction device is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a ventilation and noise reduction device for underground fire protection engineering. Background Art

[0002] With the rapid development of modern technology, safe production has become a crucial issue across all industries. Environmental control is particularly critical in underground locations, such as electrical rooms, warehouses, laboratories, and garages, due to their high degree of airtightness. These locations require not only effective ventilation to maintain fresh air but also a suitable ambient temperature to protect the health and safety of workers. As the primary means of ventilation and temperature control in underground spaces, the performance and efficiency of HVAC equipment are directly related to the overall environmental quality of the underground space.

[0003] Currently, some ventilation and noise reduction devices for underground fire protection projects are available on the market, such as the device disclosed in Chinese Patent Publication No. CN209386522U. This device achieves the dual functions of ventilation and noise reduction by combining a spliced ​​ventilation pipe main and an air shaft. The ventilation pipe main is composed of multiple ventilation pipe units, making it easy to install and maintain. The air shaft is equipped with a masonry layer and a sound-absorbing layer, effectively reducing noise pollution. Although this device has achieved certain results in ventilation and noise reduction, it still has some shortcomings in actual application. During the construction of underground fire protection projects, some dust is generated, and some dust is discharged during the ventilation process, affecting the surrounding environment. Utility Model Content

[0004] The utility model provides a ventilation and noise reduction device for underground fire protection engineering, aiming to solve the problem that dust is discharged during ventilation and pollutes the environment in the current ventilation and noise reduction device for underground fire protection engineering.

[0005] The utility model is achieved in this way, a ventilation and noise reduction device for underground fire-fighting engineering comprises: a box body for ventilation and noise reduction of underground fire-fighting engineering, the inner wall of the box body is provided with sound-absorbing cotton; an air inlet pipe, the air inlet pipe is fixedly connected to the box body, and is used to connect the ventilation pipe of the underground fire-fighting engineering; a motor, the motor is arranged in the box body, and fan blades are fixed on the output shaft of the motor; an assembly plate, the assembly plate is fixedly installed in the box body, and is used to divide the space in the box body; a plurality of sound-absorbing panels, a plurality of the sound-absorbing panels are fixedly installed in the box body, and partition plates are fixed between adjacent sound-absorbing panels, and air holes for gas to pass through are formed on the partition plates; an air outlet pipe, the outlet pipe is connected to the box body for exhausting air; an air guide pipe, the air guide pipe is fixedly connected to the assembly plate, and a detachable dust filter bag is provided on the air outlet end of the air guide pipe for filtering dust and impurities; a purification and anti-insect mechanism, the purification and anti-insect mechanism is arranged on the box body and the air outlet pipe, and is used to purify gas and prevent insects from entering the box body along the air outlet pipe.

[0006] Preferably, the purification and insect-proofing mechanism includes: a plurality of activated carbon plates arranged in the box body, used for adsorbing and purifying the gas after filtering dust; a mesh plate arranged on the air outlet end of the air outlet pipe, used for blocking insects from entering the box body along the air outlet pipe; a hook fixed on the mesh plate; and a buckle arranged on the air outlet pipe, the buckle being engaged with the hook.

[0007] Preferably, the box body is provided with an openable and closable sealed door, the sealed door is hinged to the box body through a hinge, and the sealed door is provided with a door lock.

[0008] Preferably, protrusions are symmetrically fixed on the inner wall of the box body for supporting the activated carbon plate, and the activated carbon plate is located below the dust filter bag.

[0009] Preferably, support legs are symmetrically fixedly installed on the bottom of the box body, and flanges are provided on the air inlet pipe and the ventilation pipe, and the flanges are fixedly connected by bolts.

[0010] Preferably, an assembly opening is provided on the assembly plate, the assembly opening is adapted to fit the air duct, and an elastic ring is provided on the belt opening of the dust filter bag.

[0011] Preferably, a bracket is fixedly installed in the box, and the bracket is used to assemble the motor.

[0012] Compared with related technologies, the underground fire protection engineering ventilation and noise reduction device provided by the present invention has the following beneficial effects:

[0013] The sound-absorbing cotton, sound-absorbing panels and air holes on the partition panels installed inside the box together form an efficient noise reduction system, which significantly reduces the noise pollution during ventilation; the motor drives the fan blades to rotate, forming a strong wind force, ensuring the smooth introduction and rapid circulation of air, and improving ventilation efficiency; the air duct guides the airflow to the dust filter bag, and the detachable design of the dust filter bag is convenient for regular cleaning and replacement, effectively intercepting dust and impurities in the air; the activated carbon plate further purifies the gas after passing through the dust filter bag, removes possible odors and fine particles, and ensures better quality of exhaust air; the mesh plate is fixed at the outlet end of the air outlet duct, and its fine mesh effectively prevents insects and other small creatures from entering the box with the airflow, protecting the system from external interference; the interlocking design of the hook and the buckle enables the quick assembly and disassembly of the mesh plate, which not only ensures the firmness of the mesh plate, but also facilitates disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a ventilation and noise reduction device for underground fire protection engineering provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG;

[0017] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of part B shown in FIG.

[0018] Figure numerals: 1. Box body; 2. Silence cotton; 3. Air inlet pipe; 4. Bracket; 5. Motor; 6. Fan blade; 7. Assembly plate; 8. Silence plate; 9. Partition plate; 10. Air hole; 11. Air outlet pipe; 12. Air guide pipe; 13. Dust filter bag; 14. Activated carbon plate; 15. Mesh plate; 16. Hook; 17. Buckle; 18. Ventilation pipe. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0020] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The present invention provides a ventilation and noise reduction device for underground fire protection engineering. Figure 1-4 As shown, the ventilation and noise reduction device for underground fire protection engineering includes: a box body 1 for ventilation and noise reduction of underground fire protection engineering, and a sound-absorbing cotton 2 is provided on the inner wall of the box body 1; an air inlet pipe 3, the air inlet pipe 3 is fixedly connected to the box body 1, and is used to connect the ventilation pipe 18 of the underground fire protection engineering; a motor 5, the motor 5 is arranged in the box body 1, and a fan blade 6 is fixed on the output shaft of the motor 5; an assembly plate 7, the assembly plate 7 is fixedly installed in the box body 1, and is used to separate the space in the box body 1; a plurality of sound-absorbing panels 8, and a plurality of sound-absorbing panels 8 are fixedly installed in the box body 1, A partition plate 9 is fixed between adjacent silencer plates 8, and an air hole 10 is provided on the partition plate 9 for gas to pass through; an air outlet pipe 11, the air outlet pipe 11 is connected to the box body 1 for exhaust; an air guide pipe 12, the air guide pipe 12 is fixedly connected to the assembly plate 7, and a detachable dust filter bag 13 is provided on the air outlet end of the air guide pipe 12 for filtering dust and impurities; a purification and insect-proof mechanism, the purification and insect-proof mechanism is arranged on the box body 1 and the air outlet pipe 11, for purifying the gas and preventing insects from entering the box body 1 along the air outlet pipe 11.

[0022] In this embodiment, the sound-absorbing cotton 2 installed inside the box 1 can effectively absorb noise, reduce noise pollution during ventilation, and provide a closed environment for subsequent dust filtration and gas purification. The air inlet pipe 3 is used to directly connect to the ventilation pipe 18 of the underground fire protection project, ensuring the smooth introduction of air. At the same time, its structure is stable and convenient for fixed connection with the box 1. The motor 5 drives the fan blades 6 to rotate, generating a strong wind force, accelerating air circulation, and improving ventilation efficiency. The location of the motor 5 takes noise control into consideration and cooperates with the sound-absorbing cotton 2 on the inner wall of the box 1 to further reduce noise. The assembly plate 7 not only fixes the air guide pipe 12, but also ensures the orderly flow of air by dividing the space within the box 1, avoiding direct impact and reducing airflow noise. The sound-absorbing plate 8 further enhances the sound-absorbing effect, and the air holes 10 on the partition plate 9 ensure smooth airflow. At the same time, the combination of the partition plate 9 and the sound-absorbing plate 8 reduces the air flow speed and reduces noise through multiple deflections. The air outlet pipe 11 connects the box 1 with the external environment and is used to discharge the treated clean air. Its design takes into account the coordination with the purification and insect prevention mechanism to ensure the discharge of air. cleanliness; the air guide pipe 12 guides the air flow to the dust filter bag 13, and the dust filter bag 13 is detachable, which is convenient for regular cleaning and replacement, effectively intercepting dust and impurities, and ensuring the cleanliness of the discharged air; the purification and insect prevention mechanism is arranged between the box body 1 and the air outlet pipe 11, which not only purifies the gas and removes possible residual particles and harmful substances, but also prevents insects and the like from entering the box body 1, thereby ensuring the safe operation of the system; in summary, the utility model achieves the multiple effects of efficient ventilation, noise reduction and dust removal through the synergistic effect of various components, significantly improves the ventilation environment of the underground fire protection project, while ensuring the cleanliness of the surrounding environment, and improving the operation efficiency and safety of the system.

[0023] In a further preferred embodiment of the present invention, the purification and insect-proof mechanism includes: a plurality of activated carbon plates 14 arranged in the box body 1, for adsorbing and purifying the gas after filtering the dust; a mesh plate 15 arranged on the air outlet end of the air outlet pipe 11, for blocking insects from entering the box body 1 along the air outlet pipe 11; a hook 16 fixed on the mesh plate 15; and a buckle 17 arranged on the air outlet pipe 11, and the buckle 17 is engaged with the hook 16.

[0024] In this embodiment, an activated carbon plate 14 is placed within the housing 1. Leveraging the powerful adsorption capacity of the activated carbon, it further purifies the air after passing through the dust filter bag 13, removing any odors and fine particulate matter, thereby ensuring improved exhaust air quality. A mesh panel 15 is secured to the outlet end of the air outlet pipe 11. Its fine mesh effectively prevents insects and other small organisms from entering the housing 1 with the airflow, protecting the system from external interference and ensuring safe and stable operation. A hook 16 is located on the mesh panel 15, and a buckle 17 is positioned at a corresponding position on the air outlet pipe 11. These two interlock to enable quick assembly and disassembly of the mesh panel. This design ensures the mesh panel 15 is secure and convenient for disassembly and maintenance.

[0025] In a further preferred embodiment of the present invention, the box body 1 is provided with an openable and closable sealed door, the sealed door is hinged to the box body 1 through a hinge, and the sealed door is provided with a door lock.

[0026] In this embodiment, a sealed door that can be opened and closed is provided on the box body 1, which is hinged to the box body 1 through hinges, ensuring the closedness of the internal space of the box, effectively preventing external dust and impurities from entering, and at the same time can be easily opened when needed, facilitating internal maintenance and inspection; a door lock is provided on the sealed door to ensure that the door is tightly closed.

[0027] In a further preferred embodiment of the present invention, protrusions are symmetrically fixed on the inner wall of the box body 1 for supporting the activated carbon plate 14 , and the activated carbon plate 14 is located below the dust filter bag 13 .

[0028] In this embodiment, the symmetrically fixed protrusions on the inner wall of the box body 1 play a supporting and positioning role, ensuring that the activated carbon plate 14 is firmly placed to avoid displacement under the impact of airflow. The position arrangement of the activated carbon plate 14: placing it below the dust bag 13 means that the gas is initially filtered through the dust bag and then deeply purified by the activated carbon plate.

[0029] In a further preferred embodiment of the present invention, support legs are symmetrically fixedly installed on the bottom of the box body 1, and flanges are provided on the air inlet pipe 3 and the ventilation pipe 18, and the flanges are fixedly connected by bolts.

[0030] In this embodiment, the symmetrically mounted support legs at the bottom of the housing 1 ensure the stability of the overall structure, effectively distributing the weight of the housing, preventing displacement or tilting due to uneven surfaces or vibrations, and enhancing the stability of the device under various floor conditions. Both the air inlet duct 3 and the ventilation duct 18 are provided with flanges and fixedly connected by bolts. This connection not only provides a reliable seal to prevent gas leakage, but also ensures a secure connection between the various components.

[0031] In a further preferred embodiment of the present invention, an assembly opening is provided on the assembly plate 7 , the assembly opening is adapted to fit the air duct 12 , and an elastic ring is provided on the belt opening of the dust filter bag 13 .

[0032] In this embodiment, the assembly opening opened on the assembly plate 7 is adapted to the air duct 12, ensuring the smooth passage of airflow, while providing precise positioning for the installation of the dust filter bag 13, reducing the resistance and noise of the airflow during turning. The opening edge of the dust filter bag 13 is provided with an elastic ring. This design not only ensures the close fit between the dust filter bag and the air outlet end of the air duct 12, preventing the gas from being discharged directly without being filtered, but also facilitates quick installation and disassembly, thereby improving maintenance efficiency.

[0033] In a further preferred embodiment of the present invention, a bracket 4 is fixedly installed in the box body 1, and the bracket 4 is used to assemble the motor 5.

[0034] In this embodiment, a bracket 4 is fixedly installed in the box 1, and its main function is to support and position the motor 5, ensure the stability and safety of the motor 5 during operation, and avoid displacement or damage due to vibration.

[0035] To sum up, the silencer cotton 2, the silencer plate 8 and the air holes 10 on the partition plate 9 arranged inside the box body 1 together constitute an efficient noise reduction system, which significantly reduces the noise pollution during ventilation; the motor 5 drives the fan blades 6 to rotate, forming a strong wind force, ensuring the smooth introduction and rapid circulation of air, and improving the ventilation efficiency; the air duct 12 guides the airflow to the dust filter bag 13, and the detachable design of the dust filter bag 13 is convenient for regular cleaning and replacement, effectively intercepting dust impurities in the air; the activated carbon plate 14 further purifies the gas after passing through the dust filter bag 13, removes possible odors and fine particles, and ensures better quality of discharged air; the mesh plate 15 is fixed to the air outlet end of the air outlet pipe 11, and its fine mesh effectively prevents insects and other small creatures from entering the box body 1 with the air flow, protecting the system from external interference; the interlocking design of the hook 16 and the buckle 17 realizes the rapid assembly and disassembly of the mesh plate, which not only ensures the firmness of the mesh plate, but also facilitates disassembly and maintenance.

[0036] It is worth noting that the circuits, electronic components and modules involved in the present invention are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0037] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A ventilation and noise reduction device for underground fire protection engineering, characterized in that: include: A box for ventilation and noise reduction in underground fire protection projects, wherein the inner wall of the box is provided with sound-absorbing cotton; An air inlet pipe, which is fixedly connected to the box and is used to connect to the ventilation pipe of the underground fire protection project; A motor, wherein the motor is disposed in the box, and a fan blade is fixed on an output shaft of the motor; An assembly plate, the assembly plate being fixedly mounted in the box body and used for dividing the space in the box body; A plurality of sound-absorbing panels, wherein the plurality of sound-absorbing panels are fixedly mounted in the box body, and a partition plate is fixed between adjacent sound-absorbing panels, and the partition plate is provided with air holes for gas to pass through; An air outlet pipe, the air outlet pipe is connected to the box body and is used for exhausting air; An air duct, the air duct being fixedly connected to the assembly plate, and a detachable dust filter bag being provided on the air outlet end of the air duct for filtering dust and impurities; The purification and insect-proof mechanism is arranged on the box body and the air outlet pipe, and is used for purifying the gas and preventing insects from entering the box body along the air outlet pipe.

2. The underground fire protection engineering ventilation and noise reduction device according to claim 1, characterized in that: The purification and insect-proofing mechanism comprises: A plurality of activated carbon plates are arranged in the box body for adsorbing and purifying the gas after filtering the dust; A mesh plate provided on the air outlet end of the air outlet pipe is used to prevent insects from entering the box through the air outlet pipe; A hook fixed on the mesh plate; A buckle is provided on the air outlet pipe, and the buckle is engaged with the hook.

3. The underground fire protection engineering ventilation and noise reduction device according to claim 1, characterized in that: The box body is provided with an openable and closable sealing door, the sealing door is hinged to the box body through a hinge, and the sealing door is provided with a door lock.

4. The underground fire protection engineering ventilation and noise reduction device according to claim 2, characterized in that: The inner wall of the box body is symmetrically fixed with protrusions for supporting the activated carbon plate, and the activated carbon plate is located below the dust filter bag.

5. The underground fire protection engineering ventilation and noise reduction device according to claim 1, characterized in that: Support legs are symmetrically fixedly installed on the bottom of the box body, and flanges are provided on the air inlet pipe and the ventilation pipe, and the flanges are fixedly connected by bolts.

6. The underground fire protection engineering ventilation and noise reduction device according to claim 1, characterized in that: An assembly opening is provided on the assembly plate, and the assembly opening is adapted to fit the air duct. An elastic ring is provided on the belt opening of the dust filter bag.

7. The underground fire protection engineering ventilation and noise reduction device according to claim 1, characterized in that: A bracket is fixedly installed in the box body, and the bracket is used to assemble the motor.

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