Fire extinguishing agent filling device for dry powder fire extinguisher
By using an integrated fire extinguishing agent filling device, a negative pressure machine and a dry powder recovery tank are used to achieve rapid filling of dry powder fire extinguishers, which solves the problems of low filling efficiency and high labor intensity, improves the convenience of operation and reduces losses and costs.
Patent Information
- Application Number
- CN202520067018.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing dry powder fire extinguishers are inefficient during the filling process, require a lot of manual labor, and pose risks of nozzle clogging and deterioration, which affect their fire extinguishing effectiveness.
An integrated fire extinguishing agent filling device was designed, including a negative pressure tank, a negative pressure machine, and a dry powder recovery tank. The negative pressure machine draws in the dry powder fire extinguisher tank to create negative pressure, enabling rapid filling of the dry powder. The filtered dry powder is then recycled and integrated into the working box.
It improves the filling efficiency of dry powder fire extinguishers, reduces manual labor intensity, enhances ease of operation, and reduces dry powder loss and cost through the recycling tank.
Smart Images
Figure CN223878248U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of fire extinguisher filling, and particularly relates to a fire extinguishing agent filling device for dry powder fire extinguisher. BACKGROUND
[0002] The dry powder fire extinguisher is one of common fireproof facilities and is stored in public places or places where fire may occur. The dry powder fire extinguishing agent will absorb water, cake or deteriorate over time, thereby affecting the fire extinguishing effect. If the dry powder fire extinguisher is blocked in the nozzle during use, even an explosion or other accidents may be caused. Therefore, in order to ensure the best performance of the fire extinguisher, regular replacement of the dry powder is the key to ensuring the effectiveness of the fire extinguisher. When the dry powder fire extinguisher is replaced and filled, a funnel is generally used to fill the powder at present, and the filling efficiency is low and the labor intensity is high. Therefore, it is necessary to improve. SUMMARY
[0003] The utility model solves the technical problem: provide a kind of fire extinguishing agent filling device for dry powder fire extinguisher, the utility model is to the problem of low filling efficiency and the labor intensity of big of dry powder fire extinguisher filling and designs integrated filling device, improve work efficiency, reduce labor intensity, while realizing the integration of filling equipment, improve equipment operation convenience.
[0004] To achieve the above object, the utility model adopts the technical scheme of:
[0005] The fire extinguishing agent filling device for dry powder fire extinguisher includes a working box body, a negative pressure tank is arranged on the upper surface of the working box body, a negative pressure machine and a dry powder recovery tank are arranged in the working box body, a filter is arranged on the gas outlet of the upper part of the negative pressure tank, the gas outlet of the upper part of the negative pressure tank is connected to the interface of the negative pressure machine through a negative pressure pipe I, the outlet of the lower part of the negative pressure tank is connected to the dry powder recovery tank, an interface is arranged on the side wall of the negative pressure tank, the interface on the side wall of the negative pressure tank is communicated with the inner cavity of the fire extinguisher tank arranged outside, and the inner cavity of the fire extinguisher tank is communicated with the inside of the powder storage tank arranged outside.
[0006] Further limit to the above scheme, the inner cavity of the working box body is divided into a negative pressure machine placing cavity and a recovery tank placing cavity by a partition plate, the negative pressure machine is placed in the negative pressure machine placing cavity, and the dry powder recovery tank is arranged in the recovery tank placing cavity;The upper plane of the working box body is a working platform, the negative pressure tank is fixed on the working platform and the outlet of the lower part of the negative pressure tank extends into the recovery tank placing cavity.
[0007] Further limit to the above scheme, one side of the upper part of the working box body is provided with an instrument panel, and the detection instruments of the negative pressure machine are arranged on the instrument panel;The lower part of the working box body is provided with a movable wheel.
[0008] Further, the filter is provided with a titanium powder sintered filter core, and a connecting pipe is arranged at the upper end of the filter core for fixation.
[0009] Further, the filter is fixedly connected with the gas outlet at the upper part of the negative pressure tank through a threaded connecting sleeve, an external thread is arranged on the connecting pipe at the upper part of the filter, the threaded connecting sleeve is screwed with the connecting pipe of the filter through an internal thread arranged on the inner circular surface, and the threaded connecting sleeve is screwed with an internal thread arranged on the gas outlet at the upper part of the negative pressure tank through an external thread arranged on the outer circular surface.
[0010] Further, a recovery powder outflow pipe is arranged on the outlet at the lower part of the negative pressure tank, a valve is arranged on the recovery powder outflow pipe, and a dry powder recovery tank is quickly and detachably connected with the recovery powder outflow pipe through buckling.
[0011] Further, the negative pressure tank, the fire extinguisher tank and the powder storage tank are connected through a suction disc, and the suction disc covers the upper opening of the fire extinguisher tank.
[0012] Further, the negative pressure tank, the fire extinguisher tank and the powder storage tank are connected through a suction disc, and the suction disc covers the upper opening of the fire extinguisher tank.
[0013] Further, the negative pressure tank, the fire extinguisher tank and the powder storage tank are connected through a suction disc, and the suction disc covers the upper opening of the fire extinguisher tank.
[0014] The present application has the following advantages compared with the prior art:
[0015] 1. The device is used for filling the dry powder fire extinguisher, and the negative pressure tank, the negative pressure machine and the dry powder recovery tank are integrated in the working box body, the negative pressure machine is connected with the negative pressure tank, the negative pressure tank is connected with the empty fire extinguisher tank to be filled, the fire extinguisher tank is connected with the powder storage tank, the negative pressure machine sucks and makes the empty fire extinguisher tank generate negative pressure through the negative pressure tank, so that the dry powder in the powder storage tank is sucked into the fire extinguisher tank under the action of pressure, the fire extinguisher tank is rapidly filled, the working efficiency is improved, and the labor intensity is low.
[0016] 2. The negative pressure tank, the negative pressure machine and the dry powder recovery tank are integrated in the working box body in the device, the integrated equipment for dry powder filling is realized, the structure is compact, the operation convenience of the dry powder filling is improved, and the device is convenient to use.
[0017] 3. The dry powder recovery tank is arranged at the lower part of the negative pressure tank in the device, the filtered and stored dry powder in the negative pressure tank directly flows into the dry powder recovery tank and is recycled, the utilization rate of the dry powder is improved, the loss is reduced, and the cost is reduced. DETAILED DESCRIPTION
[0018] Figure 1 Fig. 1 is a three-dimensional structural schematic view of the device;
[0019] Figure 2 Fig. 2 is a structural front view of the device;
[0020] Figure 3 Fig. 3 is an internal structural schematic view of the suction cup in the device. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the device will be clearly and completely described in combination with the drawings in the embodiments of the device. Apparently, the described embodiments are only part of the embodiments of the device, rather than all the embodiments of the device. Based on the embodiments of the device, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the device.
[0022] It should be noted that, in this document, the terms "comprising", "containing" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article or device including the element.
[0023] Please refer to Figures 1-3 for detailed description of the embodiments of the device.
[0024] Embodiment: fire extinguishing agent filling device for dry powder fire extinguisher, refer to Figure 1 As shown, it comprises a working box 1, a negative pressure tank 9 is arranged on the upper surface of the working box 1, a negative pressure machine 7 and a dry powder recovery tank 13 are arranged in the working box 1, a filter 10 is arranged on the gas outlet of the upper portion of the negative pressure tank 9, the gas outlet of the upper portion of the negative pressure tank 9 is connected with the interface on the negative pressure machine 7 through a negative pressure pipe I 8, the outlet of the lower portion of the negative pressure tank 9 is connected with the dry powder recovery tank 13, an interface is arranged on the side wall of the negative pressure tank 9, the interface on the side wall of the negative pressure tank 9 is communicated with the inner cavity of a fire extinguisher tank 19 arranged outside, and the inner cavity of the fire extinguisher tank 19 is communicated with the inside of a powder storage tank 20 arranged outside.
[0025] In this embodiment, the negative pressure tank, the negative pressure machine, the dry powder recovery tank and the like are integrated in the working box, the negative pressure machine is connected with the negative pressure tank, the negative pressure tank is connected with the empty fire extinguisher tank which needs to be filled, the fire extinguisher tank is connected with the powder storage tank, the negative pressure machine sucks and makes the empty fire extinguisher tank produce negative pressure through the negative pressure tank, so that the dry powder in the powder storage tank is sucked into the fire extinguisher tank under the action of pressure, the rapid filling of the fire extinguisher tank is realized, the working efficiency is improved, and the labor intensity is low.
[0026] In a specific embodiment, refer to Figure 1 As shown, the inner cavity of the working box 1 is divided into a negative pressure machine placing cavity 3 and a recovery tank placing cavity 4 through a partition plate 2, the negative pressure machine 7 is placed in the negative pressure machine placing cavity 3, and the dry powder recovery tank 13 is arranged in the recovery tank placing cavity 4; the upper plane of the working box 1 is a working platform 6, the negative pressure tank 9 is fixed on the working platform 6 and the outlet of the lower portion extends into the recovery tank placing cavity 4.
[0027] In the above structure, the negative pressure tank, the negative pressure machine, the dry powder recovery tank and the like are integrated in the working box, an integrated device for dry powder filling is realized, the structure is compact, the operation convenience of the dry powder filling is improved, and the device is convenient to use.
[0028] In order to further improve the use convenience of the filling device, refer to Figure 1 As shown, an instrument panel 27 is arranged on one side of the upper portion of the working box 1, the monitoring instruments of the negative pressure machine 7 are arranged on the instrument panel 27, so that people can conveniently switch and monitor the parameters of the negative pressure machine. The mobile wheels 5 are arranged on the lower portion of the working box 1, so that the movement of the whole device is facilitated.
[0029] In a specific embodiment, refer to Figure 2 As shown, the filter 10 adopts a titanium powder sintered filter element, and a connecting pipe for fixation is arranged on the upper end of the titanium powder sintered filter element.
[0030] In this embodiment, the titanium powder sintering filter element is installed in the negative pressure tank, and the dry powder entering the negative pressure tank is filtered, so that the dry powder is left in the negative pressure tank, and the gas is extracted after being filtered by the filter element, so as to avoid the dry powder entering the negative pressure machine. In this embodiment, the filter element selected has micron-level filter holes, so that the gas can pass through, but the powder particles cannot pass through and fall into the negative pressure tank, and then flow into the dry powder recovery tank from the lower opening for recovery. The filter has good filtering effect, and after being used for a period of time, it can be directly brushed and used again, so the maintenance is convenient.
[0031] In a specific embodiment, referring to Figure 2 As shown in the figure, the filter 10 is fixedly connected with the gas outlet on the upper part of the negative pressure tank 9 through a threaded connecting sleeve 11. An outer thread is arranged on the outside of the connecting pipe on the upper part of the filter 10. The threaded connecting sleeve 11 is screw-connected with the connecting pipe of the filter 10 through an inner thread arranged on the inner circular surface. The threaded connecting sleeve 11 is screw-connected with the inner thread on the gas outlet on the upper part of the negative pressure tank 9 through an outer thread arranged on the outer circular surface.
[0032] In the above structure, the filter and the threaded connecting sleeve, and the threaded connecting sleeve and the negative pressure tank are connected through threads, so the structure is simple, and the installation and dismounting are convenient.
[0033] In a specific embodiment, referring to Figure 1 As shown in the figure, a recovery powder outflow pipe 12 is arranged on the lower outlet of the negative pressure tank 9. A valve 14 is arranged on the recovery powder outflow pipe 12, so as to facilitate opening and closing. The dry powder recovery tank 13 is quickly and detachably connected with the recovery powder outflow pipe 12 through a buckle 15. After the dry powder recovery tank 13 is installed, a space for facilitating the dismounting of the dry powder recovery tank 13 is formed between the lower end surface of the dry powder recovery tank 13 and the bottom surface of the inner cavity of the working box body 1.
[0034] In the above structure, the dry powder recovery tank is arranged on the lower part of the negative pressure tank. The filtered and stored dry powder in the negative pressure tank directly flows into the dry powder recovery tank for recycling, so as to improve the utilization rate of the dry powder, reduce the loss, and reduce the cost.
[0035] In a specific embodiment, referring to Figure 1 As shown in the figure, the negative pressure tank 9, the fire extinguisher tank 19, and the powder storage tank 20 are connected through a suction disc 22. The suction disc 22 covers the upper opening of the fire extinguisher tank 19. The suction disc 22 is connected with the interface on the side wall of the negative pressure tank 9 through a negative pressure pipe II 17. One end of the negative pressure pipe II 17 is connected with the interface on the side wall of the negative pressure tank 9. The other end of the negative pressure pipe II 17 is communicated with the inner cavity of the fire extinguisher tank 19 through the suction disc 22. The suction disc 22 is communicated with the inside of the powder storage tank 20 through a dry powder suction pipe 21. One end of the dry powder suction pipe 21 is connected with a plug pipe 28. The plug pipe 28 is inserted into the inside of the powder storage tank 20. The other end of the dry powder suction pipe 21 is communicated with the inner cavity of the fire extinguisher tank 19 through the suction disc 22.
[0036] Referring to Figure 3 As shown in the drawings, the center of the suction disc 22 is provided with a center suction powder pipe joint 23, the lower end of the center suction powder pipe joint 23 directly communicates with the inner cavity of the fire extinguisher tank 19, and the upper end of the center suction powder pipe joint 23 is connected with the dry powder suction pipe 21; the upper part of the suction disc 22 is provided with a negative pressure suction pipe joint 24, the inner cavity of the suction disc 22 is hollow to form an internal airflow cavity 25, the middle hole in the lower surface of the suction disc 22 and the outer wall of the center suction powder pipe joint 23 form an annular airflow gap 26, the negative pressure suction pipe joint 24 communicates with the inner cavity of the fire extinguisher tank 19 through the internal airflow cavity 25 and the annular airflow gap 26, and the upper end of the negative pressure suction pipe joint 24 is connected with the negative pressure pipe II 17.
[0037] In the above embodiment, in use, the negative pressure machine is opened, negative pressure is generated in the negative pressure tank, and the gas in the fire extinguisher tank enters the negative pressure tank through the annular airflow gap, the internal airflow cavity, the negative pressure suction pipe joint and the negative pressure pipe II, so that the empty fire extinguisher tank generates negative pressure, so that the dry powder in the powder storage tank enters the fire extinguisher tank through the insertion pipe, the dry powder suction pipe and the center suction powder pipe joint under the action of pressure, and the fire extinguisher tank is filled.
[0038] In a specific embodiment: referring to Figure 1 As shown in the drawings, the interface on the side wall of the negative pressure tank 9 is provided with an air valve 18 for controlling the flow of negative pressure airflow. The side wall of the negative pressure tank 9 is also provided with a hanging rod 16, and various pipes of the filling equipment are hung on the hanging rod, which is convenient for storage.
[0039] The working principle of the utility model is: the negative pressure machine is opened, the negative pressure machine generates negative pressure in the negative pressure tank through the negative pressure pipe I, the gas in the fire extinguisher tank enters the negative pressure tank through the annular airflow gap, the internal airflow cavity, the negative pressure suction pipe joint and the negative pressure pipe II, so that the empty fire extinguisher tank generates negative pressure, so that the dry powder in the powder storage tank enters the fire extinguisher tank through the insertion pipe, the dry powder suction pipe and the center suction powder pipe joint under the action of pressure, and the fire extinguisher tank is filled. During the filling process, some dry powder will enter the negative pressure tank through the annular airflow gap, the internal airflow cavity, the negative pressure suction pipe joint and the negative pressure pipe II along with the gas, fall in the negative pressure tank after being filtered by the filter, and then flow into the dry powder recovery tank from the lower part of the negative pressure tank for recycling.
[0040] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.
[0041] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A fire extinguishant filling device for a dry powder fire extinguisher, characterised in that: The utility model provides a kind of fire extinguishing device, including working cabinet (1), the working cabinet (1) is equipped with negative pressure tank (9) on top, the working cabinet (1) is equipped with negative pressure machine (7) and dry powder recovery tank (13) inside, the filter (10) is equipped on the gas outlet of the upper portion of negative pressure tank (9), the gas outlet of the upper portion of negative pressure tank (9) is connected with the interface on negative pressure machine (7) by negative pressure pipe I (8), the outlet of the lower portion of negative pressure tank (9) is connected with dry powder recovery tank (13), the interface on the side wall of negative pressure tank (9) is communicated with the inner cavity of extinguisher tank (19) being equipped in outside, the inner cavity of extinguisher tank (19) is communicated with the inside of powder storage tank (20) being equipped in outside; The inner cavity of the working cabinet (1) is divided into negative pressure machine placing cavity (3) and recovery tank placing cavity (4) by partition (2), the negative pressure machine (7) is placed in the negative pressure machine placing cavity (3), and the dry powder recovery tank (13) is arranged in the recovery tank placing cavity (4);The upper plane of the working cabinet (1) is a working platform (6), the negative pressure tank (9) is fixed on the working platform (6) and the outlet of the lower portion extends into the recovery tank placing cavity (4).
2. The extinguishing agent filling device for a dry powder fire extinguisher according to claim 1, characterized by: The upper portion of the working cabinet (1) is provided with an instrument panel (27) on one side, and the monitoring instruments of the negative pressure machine (7) are arranged on the instrument panel (27).
3. The extinguishing agent filling device for a dry chemical fire extinguisher according to claim 1, characterized by: The filter (10) adopts a titanium powder sintered filter element, and a connecting pipe for fixation is arranged at the upper end of the titanium powder sintered filter element.
4. The extinguishing agent filling device for a dry chemical fire extinguisher according to claim 3, characterized by: The filter (10) is fixedly connected with the gas outlet at the upper portion of the negative pressure tank (9) through a threaded connection sleeve (11), an external thread is arranged outside the connecting pipe at the upper portion of the filter (10), the threaded connection sleeve (11) is screw-connected with the connecting pipe of the filter (10) through an internal thread arranged on the inner circular surface, and the threaded connection sleeve (11) is screw-connected with the internal thread of the gas outlet at the upper portion of the negative pressure tank (9) through an external thread arranged on the outer circular surface.
5. The extinguishing agent filling device for a dry chemical fire extinguisher according to claim 1, characterized by: A recovery powder outflow pipe (12) is arranged on the outlet at the lower portion of the negative pressure tank (9), a valve (14) is arranged on the recovery powder outflow pipe (12), the dry powder recovery tank (13) is quickly and detachably connected with the recovery powder outflow pipe (12) through a buckle (15), and a space for facilitating the disassembly and assembly of the dry powder recovery tank (13) is formed between the lower end surface of the dry powder recovery tank (13) and the bottom surface of the inner cavity of the working cabinet (1) after the dry powder recovery tank (13) is installed.
6. The extinguishing agent filling device for a dry chemical fire extinguisher according to claim 1, characterized by: The negative pressure tank (9), fire extinguisher tank (19) and powder storage tank (20) are connected by suction cup (22), the suction cup (22) covers the mouth of the fire extinguisher tank (19); the suction cup (22) is connected with the interface on the side wall of the negative pressure tank (9) through the negative pressure pipe II (17), one end of the negative pressure pipe II (17) is connected with the interface on the side wall of the negative pressure tank (9), the other end of the negative pressure pipe II (17) is communicated with the inner cavity of the fire extinguisher tank (19) through the suction cup (22); the suction cup (22) is communicated with the inside of the powder storage tank (20) through the dry powder suction pipe (21), one end of the dry powder suction pipe (21) is connected with the insertion tube (28), the insertion tube (28) is inserted into the inside of the powder storage tank (20), the other end of the dry powder suction pipe (21) is communicated with the inner cavity of the fire extinguisher tank (19) through the suction cup (22).
7. The fire extinguishant charging device for a dry chemical fire extinguisher according to claim 6, characterized by: The center of the suction cup (22) is provided with a center suction powder pipe joint (23), the lower end of the center suction powder pipe joint (23) is directly communicated with the inner cavity of the fire extinguisher tank (19), and the upper end of the center suction powder pipe joint (23) is connected with the dry powder suction pipe (21); the upper part of the suction cup (22) is provided with a negative pressure suction pipe joint (24), the inner cavity of the suction cup (22) is hollow to form an internal airflow cavity (25), the middle hole in the lower surface of the suction cup (22) and the outer wall of the center suction powder pipe joint (23) form an annular airflow gap (26), the negative pressure suction pipe joint (24) is communicated with the inner cavity of the fire extinguisher tank (19) through the internal airflow cavity (25) and the annular airflow gap (26), and the upper end of the negative pressure suction pipe joint (24) is connected with the negative pressure pipe II (17).
8. The extinguishing agent filling device for a dry chemical fire extinguisher according to claim 1, characterized by: The interface on the side wall of the negative pressure tank (9) is provided with an air valve (18), and the side wall of the negative pressure tank (9) is also provided with a hanging rod (16).