Fire-fighting drainage system of kerosene gas-phase drying equipment
By rationally arranging fire hydrants and installing foam extinguishing devices in kerosene vapor phase drying equipment, the flammability and explosiveness of kerosene vapor phase drying equipment have been solved, ensuring the safety of fire-fighting water and production safety.
Patent Information
- Application Number
- CN202520156815.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In existing technologies, kerosene vapor phase drying equipment is flammable and explosive, conventional water fire extinguishing systems are not applicable, and there is a lack of effective fire protection and drainage measures, resulting in significant safety hazards.
Design a fire drainage system for a kerosene vapor phase drying equipment, including a ring-shaped water supply pipe, fire hydrants, and a semi-fixed foam extinguishing device. The fire hydrant locations are rationally arranged, and isolation maintenance valves and oil separators are installed to ensure the safety of fire water supply and to flexibly extinguish oil fires using the foam extinguishing device.
The system ensures that there are two fire hydrants in every part of the workshop, guaranteeing the safety of fire-fighting water supply. The semi-fixed foam fire extinguishing device can effectively extinguish oil fires and ensure production safety.
Smart Images
Figure CN223818097U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of fire fighting, especially relates to a kerosene gas phase drying equipment fire fighting drainage system. BACKGROUND
[0002] At present, kerosene gas phase drying equipment is used in the production of large transformer products in insulation drying treatment, which has the characteristics of uniform heating, fast heating, good drying effect and the like. The kerosene gas phase drying equipment uses kerosene with a gasification point higher than water as a heating medium, heats the kerosene to generate kerosene steam, and then sprays the hot kerosene steam to the object to be dried through a conduit. When the hot kerosene steam contacts the cold object, the heat is transferred from the kerosene steam to the object, and the kerosene steam condenses to regenerate kerosene liquid, which flows back to the evaporator to be reheated. With the continuous process, the temperature of the object rises after being heated, and when the temperature rises to the boiling point of water, the moisture inside the object evaporates, thereby achieving the purpose of drying the object.
[0003] Since kerosene is a flammable liquid, its flash point is relatively low, usually around 38℃, and its explosion limit is 0.7% to 5%. In addition, the transformer production process requires heating, which means that kerosene is more likely to form an explosive mixture with air and easily ignite or explode when exposed to open flames or high heat. The conventional water fire extinguishing system is not suitable for extinguishing kerosene fires, so careful consideration should be given to the fire fighting and drainage measures for kerosene gas phase drying equipment to ensure safe production. SUMMARY
[0004] In view of the problems existing in the prior art, a kerosene gas phase drying equipment fire fighting drainage system is provided to ensure the fire safety of the kerosene gas phase drying equipment.
[0005] The technical scheme adopted by the utility model is as follows: a kerosene gas phase drying equipment fire fighting drainage system is applied in adjacent drying workshops and main transformer assembly workshops; the drying workshops are used for drying treatment of main transformer components by kerosene gas phase drying equipment, and the main transformer assembly workshops are used for completing the assembly of main transformers; the fire fighting drainage system comprises a ring-shaped water supply pipe and a plurality of fire hydrants, the plurality of fire hydrants are arranged in the drying workshops and the main transformer assembly workshops, and the spacing between adjacent fire hydrants is less than or equal to 28 meters; the ring-shaped water supply pipe is arranged in the drying workshops and the main transformer assembly workshops and connected with each fire hydrant; the ring-shaped water supply pipe is connected with an outdoor fire fighting pipe, and the outdoor fire fighting pipe provides fire fighting water; the drying workshops and the main transformer assembly workshops are provided with drainage floor drains at corners, and underground drainage pipes are arranged for draining fire fighting wastewater.
[0006] As a preferred scheme, the spacing between the fire hydrants arranged in the drying workshops is less than the spacing between the fire hydrants arranged in the main transformer assembly workshops.
[0007] As a preferred solution, the ring water supply pipe is connected with two outdoor fire pipes.
[0008] As a preferred solution, the outdoor fire pipe is provided with a partition maintenance valve.
[0009] As a preferred solution, the connecting pipe of each fire hydrant and the ring water supply pipe is provided with a partition maintenance valve.
[0010] As a preferred solution, a semi-fixed foam fire extinguishing device is arranged beside each fire hydrant to increase the extinguishing of oil fires.
[0011] As a preferred solution, a reinforced concrete oil separation tank is further included and arranged between the drying workshop and the main transformer assembly workshop, and the inlet of the reinforced concrete oil separation tank is connected with the drain pipe to realize oil-water separation of fire-fighting wastewater.
[0012] As a preferred solution, the ring water supply pipe is provided with a plurality of fire-fighting automatic exhaust valves.
[0013] As a preferred solution, the ring water supply pipe is arranged in an upward protruding manner to avoid the drying equipment when passing through the drying room door hole.
[0014] As a preferred solution, the fire-fighting automatic exhaust valve is arranged at the highest point of the ring water supply pipe.
[0015] Compared with the prior art, the beneficial effects of the present application are that: by reasonably arranging the positions of the indoor fire hydrants, it is ensured that two water columns of the fire hydrants reach every place in the workshop, and the safety of the fire-fighting water is ensured. The semi-fixed foam fire extinguishing device is used in cooperation with the indoor fire hydrant, which is convenient and flexible, and can be used to extinguish the oil fire ignition point in a targeted manner, and ensures the safe production of the kerosene gas phase drying equipment and the production workshop. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 FIG. 1 is a schematic view of a kerosene gas phase drying equipment fire-fighting drainage system in a drying workshop according to an embodiment of the present application.
[0017] Figure 2 FIG. 2 is a schematic view of a kerosene gas phase drying equipment fire-fighting drainage system according to an embodiment of the present application. DETAILED DESCRIPTION
[0018] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar modules or modules with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.
[0019] In order to solve the fire-fighting problem of kerosene gas phase drying equipment and the drainage problem of fire-fighting wastewater, the utility model embodiment proposes a kind of kerosene gas phase drying equipment fire-fighting drainage system, it is mainly applied in adjacent drying workshop and main transformer assembly workshop, wherein, the drying workshop is used for kerosene gas phase drying equipment to the drying treatment of main transformer assembly, the main transformer assembly workshop is used to complete the assembly of main transformer.According to the volume of drying workshop and transformer assembly workshop building area and height, in this embodiment, according to the volume more than 50000m 3 According to the "Fire Water Supply and Fire Hydrant System Technical Specification" (GB50974-2014), the fire-fighting water consumption of drying workshop and main transformer assembly workshop is determined, wherein the water consumption of outdoor fire hydrant is 40L / s, and the water consumption of indoor fire hydrant is 30L / s.
[0020] Specifically, please refer to Figure 1 、 Figure 2 The fire-fighting drainage system includes a ring-shaped water supply pipe and a plurality of fire hydrants, the plurality of fire hydrants are arranged in the drying workshop and the main transformer assembly workshop, the ring-shaped water supply pipe is arranged in the drying workshop and the main transformer assembly workshop, and is connected with each fire hydrant;The ring-shaped water supply pipe is connected with outdoor fire-fighting pipe, and the fire-fighting water is provided by the outdoor fire-fighting pipe;The drying workshop and the main transformer assembly workshop corner are provided with drainage floor drain, and underground drainage pipe is arranged for removing fire-fighting wastewater.
[0021] In one embodiment, the distance between adjacent fire hydrants in the workshop is less than or equal to 28 meters, to ensure that two fire hydrant water columns reach every corner in the workshop. Preferably, the distance between fire hydrants arranged in the drying workshop is less than the distance between fire hydrants arranged in the main transformer assembly workshop. That is, the fire hydrants in the drying workshop can be arranged densely, for example, the number of arrangements is 4, so that the drying workshop and the main transformer assembly workshop are provided with 9 fire hydrants.
[0022] In one embodiment, the ring water supply pipe is connected with two outdoor fire pipes, ensuring that the flow rate meets 30 L / s. The pipe diameter of the outdoor fire pipe is preferably DN150. In order to ensure that the water supply of the ring water supply pipe is not affected during maintenance, a blocking maintenance valve is arranged on each outdoor fire pipe. In one embodiment, the ring water supply pipe in the main transformer assembly workshop serves as a main pipe, and the ring water supply pipe in the drying workshop serves as a small ring pipe. The pipe diameter of the main pipe is larger than that of the small ring pipe. Preferably, the pipe diameter of the main pipe is D168x5, and the pipe diameter of the small ring pipe is D114x4.
[0023] Further, a blocking maintenance valve is arranged on the connecting pipeline between the ring water supply pipe and each fire hydrant, so as to disconnect and separate the indoor fire hydrants. This ensures that the water supply of other fire hydrants is not affected during the maintenance of each indoor fire hydrant, and guarantees the safety of the fire water.
[0024] In order to meet the needs of extinguishing kerosene fires, in one embodiment, a semi-fixed foam fire extinguishing device is arranged near the fire hydrant near the kerosene gas phase drying equipment (i.e. the fire hydrant in the drying workshop), which is used to extinguish kerosene fires. The specification of the semi-fixed foam fire extinguishing device is PY4 / 400, the flow rate Q is 4 L / s, 3% water film foam liquid is used, and the rated pressure is 0.8 MPa. The semi-fixed foam fire extinguishing device uses fire water from the fire hydrant.
[0025] In one embodiment, three drainage floor drains are arranged at the corners of the drying workshop and the main transformer assembly workshop, and underground drainage pipes with a pipe diameter of Φ110 are arranged to drain a large amount of fire water generated after fire extinguishing outside.
[0026] At the same time, in order to avoid pollution, three reinforced concrete oil separation tanks are arranged outside the drying workshop and the main transformer assembly workshop. The inlet of each reinforced concrete oil separation tank is connected with the corresponding drainage pipe, and the model is GG-2F (2000x1000). The fire water that may contain kerosene and is drained indoors enters the oil separation tank for separation, and the waste oil stored in the oil separation tank is recycled and treated to prevent pollution of the environment outside the station.
[0027] When arranging the ring water supply pipe in the drying workshop, the upward protruding arrangement method is used to avoid the drying equipment when passing through the door opening of the drying workshop.
[0028] The fire drainage system provided by the utility model ensures that two water columns of the fire hydrant reach every place in the workshop by reasonably arranging the position of the indoor fire hydrant, and guarantees the safety of the fire water. The semi-fixed foam fire extinguishing device is used in cooperation with the indoor fire hydrant, which is convenient and flexible, can be targeted to extinguish the ignition point of the oil fire, and ensures the safe production of the kerosene gas phase drying equipment and the production workshop.
[0029] Embodiment 1
[0030] The embodiment provides a coal oil gas phase drying equipment fire-fighting drainage system, which is applied to adjacent drying workshops and main transformer assembly workshops; the drying workshop is used for drying treatment of main transformer components by the coal oil gas phase drying equipment, and the main transformer assembly workshop is used for assembly of the main transformer; the fire-fighting drainage system comprises a ring-shaped water supply pipe and a plurality of fire hydrants; the plurality of fire hydrants are arranged in the drying workshop and the main transformer assembly workshop, and the distance between adjacent fire hydrants is less than or equal to 28 m; the ring-shaped water supply pipe is arranged in the drying workshop and the main transformer assembly workshop and is connected with each fire hydrant; the ring-shaped water supply pipe is connected with an outdoor fire-fighting pipe, and the outdoor fire-fighting pipe provides fire-fighting water; a drainage floor drain is arranged at a corner of the drying workshop and the main transformer assembly workshop, and a drainage pipe is arranged underground and used for draining fire-fighting waste water.
[0031] Embodiment 2
[0032] On the basis of the embodiment 1, the fire hydrant spacing in the drying workshop is less than the fire hydrant spacing in the main transformer assembly workshop in the embodiment.
[0033] Embodiment 3
[0034] On the basis of the embodiment 2, two outdoor fire-fighting pipes are connected with the ring-shaped water supply pipe in the embodiment.
[0035] Embodiment 4
[0036] On the basis of the embodiment 3, a partition maintenance valve is arranged on the outdoor fire-fighting pipe in the embodiment.
[0037] Embodiment 5
[0038] On the basis of the embodiment 4, a partition maintenance valve is arranged on the connecting pipeline between each fire hydrant and the ring-shaped water supply pipe in the embodiment.
[0039] Embodiment 6
[0040] On the basis of the embodiment 5, a semi-fixed foam fire extinguishing device is arranged beside each fire hydrant in the embodiment.
[0041] Embodiment 7
[0042] On the basis of the embodiment 6, the embodiment further comprises a reinforced concrete oil separation tank arranged in the drying workshop and the main transformer assembly workshop; the inlet of the reinforced concrete oil separation tank is connected with the drainage pipe, so that oil-water separation of fire-fighting waste water is realized.
[0043] Embodiment 8
[0044] On the basis of the embodiment 7, a plurality of fire-fighting automatic exhaust valves are arranged on the ring-shaped water supply pipe in the embodiment.
[0045] Embodiment 9
[0046] In this embodiment, the automatic fire-fighting exhaust valve is arranged at each highest point of the annular water supply pipe based on the embodiment 8.
[0047] Embodiment 10
[0048] In this embodiment, the annular water supply pipe is arranged in a convex upward manner to avoid the drying equipment when passing through the drying room door hole based on the embodiment 9.
[0049] The embodiments 1-10 can better realize the utility model.
[0050] For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to specific conditions; the drawings in the embodiments are used to clearly and completely describe the technical solutions in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0051] Although the embodiments of the application have been shown and described above, it can be understood that the above embodiments are exemplary, and cannot be understood as limiting the application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the application.
Claims
1. A fire-fighting drainage system for a kerosene vapor phase drying equipment, characterized in that, The system is applied in adjacent drying workshops and main transformer assembly workshops. The drying workshop is used for drying main transformer components using kerosene vapor phase drying equipment, and the main transformer assembly workshop is used to assemble the main transformers. The fire drainage system includes a ring-shaped water supply pipe and multiple fire hydrants, which are arranged in the drying workshop and main transformer assembly workshop, with a distance of less than or equal to 28 meters between adjacent fire hydrants. The ring-shaped water supply pipe is arranged in the drying workshop and main transformer assembly workshop and connected to each fire hydrant. The ring-shaped water supply pipe is connected to an outdoor fire pipe, which provides fire-fighting water. Drainage floor drains are installed at the corners of the walls in the drying workshop and main transformer assembly workshop, and underground drainage pipes are installed to discharge fire-fighting wastewater.
2. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 1, characterized in that, The spacing between fire hydrants in the drying workshop is smaller than that in the main transformer assembly workshop.
3. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 1, characterized in that, The ring-shaped water supply pipe is connected to two outdoor fire-fighting pipes.
4. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 3, characterized in that, The outdoor fire pipe is equipped with an isolation maintenance valve.
5. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 1, characterized in that, Each fire hydrant is equipped with an isolation maintenance valve on the connecting pipe to the ring water supply pipe.
6. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 1, characterized in that, Each fire hydrant is equipped with a semi-fixed foam extinguishing device.
7. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 1, characterized in that, It also includes a reinforced concrete grease trap, which is set up in the drying workshop and the main transformer assembly workshop. The inlet of the reinforced concrete grease trap is connected to the drain pipe to achieve oil-water separation of fire-fighting wastewater.
8. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 1, characterized in that, The ring-shaped water supply pipe is equipped with multiple automatic fire exhaust valves.
9. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 1, characterized in that, When the annular water supply pipe passes through the doorway of the drying room, it is arranged in an upward protruding manner to avoid the drying equipment.
10. The fire-fighting drainage system for the kerosene vapor phase drying equipment according to claim 8, characterized in that, The automatic fire exhaust valves are installed at the highest points of the ring-shaped water supply pipe.