Fireproof device for hazardous waste pit
By using a drive unit and sealing plate to quickly seal hazardous waste pits, combined with vacuum components and a sprinkler system, the problems of poor fire extinguishing effect and inadequate exhaust gas treatment were solved, achieving efficient fire control and improved safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-03-27
AI Technical Summary
Existing hazardous waste storage pits suffer from poor fire extinguishing effects, inadequate waste gas treatment, and slow response times, which can easily lead to fires and secondary pollution.
The system employs a drive unit and sealing plate to achieve rapid sealing, combined with a vacuum assembly to isolate oxygen and extinguish the fire. At the same time, a spray system further cools and suppresses the fire, and the vacuum assembly extracts and treats the exhaust gas.
It achieves efficient and safe fire prevention and control, quickly controls the fire, avoids the fire from spreading and secondary pollution, and improves fire extinguishing efficiency and the reliability and safety of the equipment.
Smart Images

Figure CN224039838U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste material pit technical field especially, relates to a dangerous waste material pit fire prevention device. BACKGROUND
[0002] Dangerous waste material pit is used for temporary storage of dangerous waste which needs to be pretreated before incineration, the existing waste material pit is all directly placed waste material in waste material pit, because waste material pit only needs a pit groove that can stack waste material, but the composition of waste material in waste material pit is complex, and the property difference is big, which can cause chemical reaction between substances in waste material and a large amount of heat release, thereby causing flammable material in waste material to be ignited and causing fire;
[0003] In the existing dangerous waste material pit fire prevention device, a simple sealing structure or a spraying system is usually used to deal with fire, however, the fixed sealing cover cannot completely isolate oxygen, and the coverage range of the spraying system is limited, resulting in poor fire extinguishing effect, in addition, there is no effective treatment of waste gas, harmful gas produced by fire can be directly discharged into the environment, causing secondary pollution. SUMMARY
[0004] The utility model aims at at least in a certain extent solves one of the technical problems in the prior art.
[0005] Therefore, the utility model provides a dangerous waste material pit fire prevention device, which realizes rapid sealing through the driving device and the sealing plate, carries out vacuumizing operation on the waste material bin in combination with the vacuumizing assembly, effectively isolates oxygen and extinguishes fire, further cools and suppresses fire through the spraying system of the auxiliary assembly, solves the problems of poor fire extinguishing effect, imperfect waste gas treatment and slow response speed in the prior art, and realizes efficient and safe fire prevention and control.
[0006] To achieve the above object, the utility model provides a dangerous waste material pit fire prevention device, which comprises a concrete layer, a waste material bin is embedded in the inside of the concrete layer, a support table is fixedly sleeved on the outer wall of the waste material bin, one end of a plurality of support arms is fixedly connected in a circumferential array mode on the top of the support table, a supporting table is fixedly connected to the other end of the support arm, and the fire prevention mechanism comprises a driving device, a driving arm, a sealing plate and a vacuumizing assembly, wherein the driving device is installed on the top of the supporting table, the output end of the driving device penetrates the top of the supporting table and is fixedly connected with one end of the driving arm, the top of the sealing plate is fixedly connected with the other end of the driving arm, the vacuumizing assembly is installed on the top of the concrete layer and is connected with the sealing plate.
[0007] The dangerous waste material pit fireproof device has the advantages that the sealing, vacuumizing and spraying functions solve the problems of poor fire extinguishing effect, imperfect waste gas treatment and slow response speed, the rapid closure of the sealing plate and the efficient operation of the vacuumizing assembly ensure that the fire can be rapidly controlled in the initial stage, the expansion of the fire and secondary pollution are avoided, the addition of the spraying system further improves the fire extinguishing efficiency, the reliability and safety of the device in complex fire scenes are ensured, and the vacuumizing assembly can also extract waste gas, thereby avoiding the diffusion of the waste gas.
[0008] In addition, the dangerous waste material pit fireproof device according to the application can have the following additional technical features:
[0009] Specifically, the vacuumizing assembly comprises a waste gas bin, a vacuum pump, a first pipeline and a second pipeline, wherein the waste gas bin is installed at the top of the concrete layer, the vacuum pump is installed at the top of the supporting table, the first pipeline is arranged between the sealing plate and the vacuum pump and connected through the first pipeline, and the second pipeline is arranged between the vacuum pump and the waste gas bin and connected through the second pipeline.
[0010] Specifically, the auxiliary assembly comprises a water collecting bin, a water pump, a connecting hose and a drain nozzle, wherein the water collecting bin is fixedly connected at the top of the concrete layer, the water pump is installed at the top of the water collecting bin, the drain nozzle is fixedly connected at the bottom of the sealing plate, the connecting hose is arranged between the drain nozzle and the water pump and connected through the connecting hose.
[0011] Specifically, the outer wall of the sealing plate is provided with an embedded groove, and a sealing rubber pad is sleeved in the embedded groove.
[0012] Specifically, a pressure relief valve is installed at the top of the sealing plate.
[0013] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0014] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
[0015] Figure 1 FIG. 1 is a structural schematic view of a dangerous waste material pit fireproof device according to an embodiment of the present application;
[0016] Figure 2 FIG. 2 is a structural schematic view of a vacuumizing assembly according to an embodiment of the present application;
[0017] Figure 3 FIG. 3 is a structural schematic view of a sealing plate according to an embodiment of the present application;
[0018] Figure 4 The utility model discloses Figure 3 The structure diagram of the enlarged A place in the middle.
[0019] As shown in the figure:
[0020] 1, concrete layer;2, waste bin;3, support platform;4, support arm;5, support platform;
[0021] 6, fire prevention mechanism;61, drive arrangement;62, drive arm;63, sealing plate;64, vacuum assembly;641, waste bin;642, vacuum pump;643, first pipeline;644, second pipeline;
[0022] 7, auxiliary assembly;71, water collecting bin;72, water pump;73, connecting hose;74, drain nozzle. DETAILED DESCRIPTION
[0023] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.
[0024] The hazardous waste pit fireproof device of the utility model embodiment is described below in combination with the drawings.
[0025] As Figures 1-4 shown, the hazardous waste pit fireproof device of the utility model embodiment can include a concrete layer 1, a waste bin 2 is embedded in the inside of the concrete layer 1, a support platform 3 is fixedly sleeved on the outer wall of the waste bin 2, a plurality of support arms 4 are fixedly connected in a circumferential array at one end of the top of the support platform 3, and a support platform 5 is fixedly connected at the other end of the support arm 4, characterized in that it further includes a fire prevention mechanism 6, and the fire prevention mechanism 6 includes a drive arrangement 61, a drive arm 62, a sealing plate 63 and a vacuum assembly 64.
[0026] Among them, the drive arrangement 61 is installed at the top of the support platform 5, and the output end of the drive arrangement 61 penetrates the top of the support platform 5 and is fixedly connected with one end of the drive arm 62, and the top of the sealing plate 63 is fixedly connected with the other end of the drive arm 62.
[0027] It should be noted that the drive arrangement 61 is a hydraulic cylinder, the drive arm 62 is made of high-strength alloy material, and a reinforcing rib is additionally arranged at the connection between the drive arm 62 and the sealing plate 63 to bear pressure and ensure reliable operation of the device in high-temperature and high-pressure environments, and the sealing plate 63 is made of high-temperature-resistant alloy, and the outer wall of the sealing plate 63 can be attached to the inner wall of the waste bin 2.
[0028] As a possible case, a pressure sensor can be installed at the bottom of the sealing plate 63, and through the pressure sensor, the pressure change can be monitored in real time.
[0029] Further, as shown in Figure 1 The top of the sealing plate 63 is provided with a pressure relief valve.
[0030] The vacuum assembly 64 is installed on the top of the concrete layer 1, and the vacuum assembly 64 is connected with the sealing plate 63.
[0031] It should be noted that a shock pad is provided between the vacuum assembly 64 and the top of the support table 5 to reduce vibration and noise during operation of the equipment, and the vacuum assembly 64 is connected with the sealing plate 63 through high-temperature-resistant and corrosion-resistant metal pipelines, the pipelines are connected through flanges and provided with sealing washers to ensure air tightness.
[0032] Specifically, when a fire occurs in the waste bin 2, the driving device 61 is started, and the output end drives the driving arm 62 to move downward, the driving arm 62 pushes the sealing plate 63 to close rapidly, completely seals the top of the waste bin 2, and isolates the external oxygen supply, thereby inhibiting the spread of the fire, at the same time, the vacuum assembly 64 is started, and the air in the waste bin 2 and the waste gas generated by combustion are extracted through the connecting pipeline, not only reducing the oxygen concentration in the bin, achieving the effect of suffocation extinguishing, but also collecting harmful waste gas into the waste gas bin 641 for subsequent treatment, avoiding direct discharge of waste gas into the environment to cause secondary pollution, in the process of sealing and vacuumizing, the sealing rubber pad on the sealing plate 63 ensures that the bin is completely isolated from the outside world, preventing external air from entering, the device solves the problems of poor extinguishing effect, imperfect waste gas treatment and slow response speed in the background art through the comprehensive effect of sealing and vacuumizing, the rapid closure of the sealing plate 63 and the efficient operation of the vacuum assembly 64 ensure that the fire can be quickly controlled in the early stage, avoid the spread of the fire and environmental pollution, and improve the extinguishing efficiency and safety of the device.
[0033] In one embodiment of the present application, as shown in Figures 1-4 The vacuum assembly 64 includes a waste gas bin 641, a vacuum pump 642, a first pipeline 643 and a second pipeline 644, wherein the waste gas bin 641 is installed on the top of the concrete layer 1, the vacuum pump 642 is installed on the top of the support table 5, the first pipeline 643 is provided between the sealing plate 63 and the vacuum pump 642 and connected through the first pipeline 643, and the second pipeline 644 is provided between the vacuum pump 642 and the waste gas bin 641 and connected through the second pipeline 644.
[0034] It should be noted that the inside of the waste gas bin 641 is provided with an activated carbon filter screen, so that the extracted waste gas can be filtered to realize safe discharge.
[0035] Specifically, when a fire occurs in the waste bin 2, the driving device 61 is started to drive the sealing plate 63 to quickly close and completely seal the top of the waste bin 2, so as to isolate the external oxygen supply, and at the same time, the vacuum pump 642 is started to extract the air and waste gas generated by combustion in the waste bin 2 through the first pipeline 643, the waste gas enters the vacuum pump 642 through the first pipeline 643, and then is transported to the waste gas bin 641 through the second pipeline 644 for centralized collection and treatment, during the vacuumizing process, the sealing rubber gasket on the sealing plate 63 ensures that the waste bin 2 is completely isolated from the outside world, prevents external air from entering, and at the same time, the vacuum pump 642 continuously operates to reduce the oxygen concentration in the bin, so as to achieve the effect of suffocation fire extinguishing, the inside of the waste gas bin 641 can be provided with a filtering device such as an activated carbon filter screen or a chemical washing device to filter and treat the collected waste gas, so as to avoid that harmful gas is directly discharged into the environment to cause secondary pollution, through the high-efficiency operation of the vacuumizing assembly 64, not only the fire can be quickly controlled, but also the waste gas can be centrally treated, so as to solve the problems of poor fire extinguishing effect, imperfect waste gas treatment and slow response speed in the background art, and the safety and environmental protection performance of the device are significantly improved.
[0036] In an embodiment of the present application, as shown in Figures 1-4 The auxiliary assembly 7 includes a water collecting bin 71, a water pump 72, a connecting hose 73 and a drain nozzle 74, wherein the water collecting bin 71 is fixedly connected to the top of the concrete layer 1, the water pump 72 is installed at the top of the water collecting bin 71, the drain nozzle 74 is fixedly connected to the bottom of the sealing plate 63, the connecting hose 73 is arranged between the drain nozzle 74 and the water pump 72 and connected thereto.
[0037] It should be noted that the water collecting bin 71 is internally provided with a water level sensor for real-time monitoring of water quantity, the drain nozzle 74 is internally provided with a fan-shaped nozzle for uniform sprinkling fire extinguishing, the connecting hose 73 is made of high-temperature-resistant and corrosion-resistant rubber material, and the two ends are respectively connected to the water pump 72 and the drain nozzle 74 through quick couplings, so as to ensure smooth water flow and facilitate disassembly and maintenance.
[0038] Specifically, when a fire occurs in the waste bin 2, the water pump 72 is started to deliver the water stored in the water collecting bin 71 to the water outlet nozzle 74 through the connecting hose 73, and the water outlet nozzle 74 sprays the water evenly into the waste bin 2 to achieve the effect of cooling and extinguishing the fire. The connecting hose 73 is made of rubber material that is resistant to high temperature and corrosion, so as to ensure that the hose will not be damaged by high temperature or chemicals during water delivery. Meanwhile, the fan-shaped nozzle design of the water outlet nozzle 74 enables the spraying range to cover the entire top area of the waste bin 2, thereby improving the fire extinguishing efficiency. The water collecting bin 71 is provided with a water level sensor to monitor the water quantity in real time and feed back to the control system. When the water quantity is insufficient, an alarm is triggered to prompt the replenishment of water source. The flow rate and pressure of the water pump 72 can be adjusted according to the size of the fire to meet different fire extinguishing requirements. Through the spraying effect of the auxiliary assembly 7, the temperature in the waste bin 2 can be effectively reduced to inhibit the spread of the fire, and the auxiliary assembly 7 can also work cooperatively with the sealing plate 63 and the vacuum pumping assembly 64 to further improve the fire extinguishing effect and the safety of the device.
[0039] In summary, the hazardous waste pit fireproof device according to the embodiments of the present application can drive the driving device 61 to start when a fire occurs in the waste bin 2, so that the output end of the driving device 61 drives the driving arm 62 to move downward, and the driving arm 62 pushes the sealing plate 63 to close rapidly to completely seal the top of the waste bin 2 and cut off the external oxygen supply, thereby inhibiting the spread of the fire. At the same time, the vacuum pumping assembly 64 is started to pump out the air in the waste bin 2 through the connecting pipeline, thereby further reducing the oxygen concentration in the bin and achieving the effect of suffocation and fire extinguishing. During the sealing and vacuum pumping process, the sealing rubber gasket on the sealing plate 63 ensures that the bin is completely isolated from the outside world to prevent external air from entering. In addition, if the fire needs to be further cooled, the water pump 72 in the auxiliary assembly 7 can deliver the water in the water collecting bin 71 to the water outlet nozzle 74 through the connecting hose 73 to spray and cool the inside of the waste bin 2, thereby further enhancing the fire extinguishing effect. Through the effects of sealing, vacuum pumping and spraying, the problems of poor fire extinguishing effect, imperfect waste gas treatment and slow response speed are solved. The rapid closure of the sealing plate 63 and the efficient operation of the vacuum pumping assembly 64 ensure that the fire can be quickly controlled in the early stage, thereby avoiding the expansion of the fire and secondary pollution. Meanwhile, the addition of the spraying system further improves the fire extinguishing efficiency, ensures the reliability and safety of the device in complex fire scenarios, and the vacuum pumping assembly 64 can also pump out the waste gas, thereby avoiding the diffusion of the waste gas.
[0040] In the description of the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0041] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.
[0042] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and deformations to the above-described embodiments within the scope of the present application.
Claims
1. A fire prevention device for a hazardous waste storage pit, comprising a concrete layer, a waste bin embedded within the concrete layer, a support platform fixedly sleeved on the outer wall of the waste bin, multiple support arms having one end fixedly connected in a circumferential array to the top of the support platform, and a support platform fixedly connected to the other end of the support arms, characterized in that... The fireproof mechanism comprises a driving device, a driving arm, a sealing plate and a vacuumizing assembly, The driving device is installed on the top of the supporting table, and the output end of the driving device penetrates through the top of the supporting table and is fixedly connected with one end of the driving arm. The vacuumizing assembly is installed on the top of the concrete layer and is connected with the sealing plate.
2. The hazardous waste pit fire prevention apparatus of claim 1, wherein, The vacuumizing assembly comprises a waste gas bin, a vacuum pump, a first pipeline and a second pipeline, The waste gas bin is installed on the top of the concrete layer, the vacuum pump is installed on the top of the supporting table, the first pipeline is arranged between the sealing plate and the vacuum pump and connects the sealing plate and the vacuum pump, and the second pipeline is arranged between the vacuum pump and the waste gas bin and connects the vacuum pump and the waste gas bin.
3. The hazardous waste pit fire prevention apparatus of claim 1, wherein, The auxiliary assembly comprises a water collecting bin, a water pump, a connecting hose and a drain nozzle, The water collecting bin is fixedly connected on the top of the concrete layer, and the water pump is installed on the top of the water collecting bin. The drain nozzle is fixedly connected on the bottom of the sealing plate, the connecting hose is arranged between the drain nozzle and the water pump and connects the drain nozzle and the water pump.
4. The hazardous waste pit fire prevention apparatus of claim 1, wherein, The outer wall of the sealing plate is provided with an embedded groove, and a sealing rubber gasket is sleeved in the embedded groove.
5. The hazardous waste pit fire prevention apparatus of claim 1, wherein, A pressure relief valve is installed on the top of the sealing plate.