CN114321547A - Subway water fire-fighting pipeline anti-freezing device and installation method thereof - Google Patents
Subway water fire-fighting pipeline anti-freezing device and installation method thereof Download PDFInfo
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- CN114321547A CN114321547A CN202111679608.8A CN202111679608A CN114321547A CN 114321547 A CN114321547 A CN 114321547A CN 202111679608 A CN202111679608 A CN 202111679608A CN 114321547 A CN114321547 A CN 114321547A
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Abstract
The invention relates to the field of water fire fighting, in particular to a molten iron fire fighting pipeline anti-freezing device and an installation method thereof. The subway water fire-fighting pipeline anti-freezing device comprises a fixing frame, wherein the fixing frame is fixed on an easily-frozen pipeline. The heating ring pipe is sleeved on the pipeline easy to freeze, and a water inlet hose and a water outlet hose are communicated with the heating ring pipe. The fixed frame is connected with a winding roller, and the water inlet hose and the water outlet hose are wound on the winding roller. The installation method of the subway water fire-fighting pipeline anti-freezing device comprises the steps of detection → installation of a fixing frame → installation of a heating ring pipe → assembly. The application has the effect of keeping the easy-freezing pipeline of the fire-fighting pipeline system in a smooth state.
Description
Technical Field
The invention relates to the field of water fire fighting, in particular to a molten iron fire fighting pipeline anti-freezing device and an installation method thereof.
Background
The fire-fighting system in the underground track traffic is related to the safety of the underground track traffic, and the smoothness of the fire-fighting pipeline needs to be kept all the time.
In winter, the fire-fighting pipeline is very easy to freeze, and the anti-freezing measure of the fire-fighting pipeline is to wrap heat-insulating cotton outside the pipeline which is easy to freeze.
With respect to the related art in the above, the inventors consider that: the heat preservation cotton can only play the effect of delaying the heat dissipation, and in cold winter, under long-time cold air, the easy freezing pipeline in the fire-fighting piping system still freezes easily.
Disclosure of Invention
In order to keep an easy-freezing pipeline of a fire fighting pipeline system in a smooth state, the application provides a molten iron fire fighting pipeline anti-freezing device and an installation method thereof.
In a first aspect, the application provides a molten iron fire pipeline freeze-proof device, adopts following technical scheme:
a molten iron fire-fighting pipeline anti-freezing device comprises a fixing frame, wherein the fixing frame is fixed on an easily frozen pipeline, a heating ring pipe is connected to the fixing frame in a sliding mode and sleeved on the easily frozen pipeline, the heating ring pipe comprises two arc pipes which are detachably connected, the two arc pipes are combined into a ring shape, a driving assembly used for driving the heating ring pipe to move in a reciprocating mode along the length direction of the easily frozen pipeline is connected to the fixing frame, a water inlet hose and a water outlet hose are communicated to the heating ring pipe, a first valve is arranged at the joint of the water inlet hose and the heating ring pipe, a second valve is arranged at the joint of the water outlet hose and the heating ring pipe, a winding roller is connected to the fixing frame, the axis of the winding roller is perpendicular to the axis of the heating ring pipe, and the water inlet hose and the water outlet hose are wound on the winding roller, install the water heater in the winding up roller, intake hose communicate in the delivery port of water heater, the delivery hose communicate in the water inlet of water heater, be connected with the linkage subassembly on the drive assembly, the linkage subassembly is used for the drive rotate around the winding up roller.
Through adopting above-mentioned technical scheme, open first valve, close the second valve, the water heater passes into the heating ring pipe with hot water through the hose that intakes. After the heating ring pipe is filled with hot water, the first valve is closed, the driving assembly drives the heating ring pipe to reciprocate on the easy-freezing pipeline, and the heating ring pipe heats the easy-freezing pipeline, so that the anti-freezing effect is achieved.
The drive assembly during operation rotates around the winding up roller through the drive of linkage assembly, winds the winding up roller and carries out the rolling or unreel to water inlet hose and water outlet hose, has improved water inlet hose and water outlet hose's regularity.
And when the temperature of the water in the heating ring pipe is reduced, the second valve is opened, the water in the heating ring pipe is pumped out by a water pump in the water heater, and the water heater heats and stores the backflow cold water. Then the second valve is closed and the first valve is opened, and the water heater fills water into the heating ring pipe again, so that the heating ring pipe can continue to work.
According to the technical scheme, the driving assembly, the heating ring pipe, the water inlet hose, the water outlet hose, the water heater, the winding roller and the linkage assembly are matched with one another, so that the effect that the easily frozen pipeline of the fire fighting pipeline system is kept in an unblocked state is achieved.
Optionally, a first connecting plate is fixedly connected to one of the arc tubes, a second connecting plate is fixedly connected to the other arc tube, and the first connecting plate and the second connecting plate are fixed through bolts and nuts.
By adopting the technical scheme, the first connecting plate and the second connecting plate are fixed through the bolts, so that the heating ring pipe is conveniently installed on the pipeline easy to freeze, and the heating ring pipe on the pipeline easy to freeze is also conveniently detached.
Optionally, the driving assembly includes a driving screw and a driving block, the driving screw is rotatably connected to the fixing frame, an axis of the driving screw is parallel to an axis of the heating ring pipe, the driving block is in threaded connection with the driving screw, the driving block is slidably connected to the fixing frame, the driving block is fixedly connected to the heating ring pipe, and the fixing frame is connected with a driving element for driving the driving screw to rotate.
By adopting the technical scheme, the driving element drives the driving screw rod to rotate, the driving screw rod drives the driving block to move, and the driving block drives the heating ring pipe to move. The reciprocating movement of the heating ring pipe on the pipeline easy to freeze can be realized by controlling the driving screw rod to rotate forward and backward through the driving element.
Optionally, a guide rod is fixedly connected to the fixing frame, a guide groove is formed in the driving block, the guide rod penetrates through the guide groove, and the guide rod is parallel to the driving screw rod.
By adopting the technical scheme, the guide rod has a guiding effect on the driving block, and the stability of the driving block during sliding is improved.
Optionally, the linkage assembly comprises a linkage shaft, the linkage shaft is rotatably connected to the fixing frame, the linkage shaft is perpendicular to the driving screw and the winding roller respectively, a first bevel gear is coaxially connected to the driving screw, a second bevel gear and a third bevel gear are coaxially connected to the linkage shaft, the first bevel gear is meshed with the second bevel gear, a fourth bevel gear is coaxially connected to the winding roller, and the third bevel gear is meshed with the fourth bevel gear.
By adopting the technical scheme, the driving screw rod drives the first bevel gear to rotate when rotating, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the linkage shaft to rotate, and the linkage shaft drives the third bevel gear to rotate. The third bevel gear drives the fourth bevel gear to rotate, and the fourth bevel gear drives the winding roller to rotate, so that the effect of driving the winding roller to rotate is achieved.
Optionally, a retaining ring is fixedly sleeved on the winding roller and located between the water inlet hose and the water outlet hose.
Through adopting above-mentioned technical scheme, keep off the ring and separate water inlet hose and water outlet hose, reduced water inlet hose and water outlet hose and taken place the possibility of interfering.
Optionally, the fixing frame is connected with a temperature sensor.
By adopting the technical scheme, the temperature sensor is utilized to detect the temperature around the easy-freezing pipeline, and when the temperature is lower than a set value, the heating ring pipe is utilized to heat the easy-freezing pipeline. When the temperature is higher than the set value, the driving assembly and the water heater do not work, so that electric energy is saved.
In a second aspect, the application provides a method for installing a device for preventing a molten iron fire pipeline from being frozen, which adopts the following technical scheme:
an installation method of a molten iron fire fighting pipeline anti-freezing device comprises the following steps:
s1, detection: detecting an easily frozen pipeline of the subway water fire-fighting pipeline;
s2, mounting a fixing frame: selecting a fixing frame with a proper length according to the length of the pipeline easy to freeze;
s3, mounting a heating ring pipe: sleeving the two arc pipes on the easy-freezing pipeline respectively, and then connecting the two arc pipes;
s4, assembling: the heating ring pipe is connected with the driving component in the fixing frame, and the water inlet hose and the water outlet hose are communicated between the heating ring pipe and the water heater.
By adopting the technical scheme, the installation method of the anti-freezing device for the subway water fire-fighting pipeline comprises the steps of detection → installation of the fixing frame → installation of the heating ring pipe → assembly, firstly, a worker detects the easy-freezing section of the subway water fire-fighting pipeline, then, the fixing frame with the proper length is selected according to the length of the easy-freezing pipeline, and the moving range of the heating ring pipe can cover the length of the whole easy-freezing pipeline conveniently. And finally, the water inlet hose and the water outlet hose are communicated between the heating ring pipe and the water heater, so that the installation is completed.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving assembly, the heating ring pipe, the water inlet hose, the water outlet hose, the water heater, the winding roller and the linkage assembly are matched with each other, so that the effect of keeping the easy-freezing pipeline of the fire-fighting pipeline system in a smooth state is achieved;
2. the driving assembly comprises a driving screw and a driving block, the linkage assembly comprises a linkage shaft, and a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear are arranged on the linkage shaft, so that the effect of synchronous rotation of the winding rollers when the heating ring pipe moves is achieved, and the winding rollers wind or unwind the water inlet hose and the water outlet hose;
3. and completing the installation of the anti-freezing device of the underground molten iron fire-fighting pipeline through detection → installation of a fixing frame → installation of a heating ring pipe → assembly.
Drawings
FIG. 1 is a schematic structural diagram of a subway water fire pipeline anti-freezing device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of another view angle of the subway water fire pipeline anti-freezing device according to the embodiment of the application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals:
1. a fixed mount; 11. a temperature sensor; 2. a pipeline is easy to freeze; 3. heating the ring pipe; 31. an arc tube; 32. a first connecting plate; 33. a second connecting plate; 34. a first conduit; 35. a first valve; 36. a second conduit; 37. a second valve; 4. a water heater; 5. a water inlet hose; 6. a water outlet hose; 7. a drive assembly; 71. a drive screw; 72. a drive block; 721. a guide groove; 73. a guide bar; 74. a drive motor; 8. a winding roller; 81. accommodating grooves; 82. a baffle ring; 9. a linkage assembly; 91. a linkage shaft; 92. a first bevel gear; 93. a second bevel gear; 94. a third bevel gear; 95. and a fourth bevel gear.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses molten iron fire-fighting pipeline freeze-proof device.
Referring to fig. 1 and 2, the subway water fire-fighting pipeline anti-freezing device comprises a fixing frame 1, wherein the fixing frame 1 is fixedly connected to an easily-frozen pipeline 2. The fixing frame 1 is connected with a heating ring pipe 3 in a sliding way, and the heating ring pipe 3 is sleeved on the easy-freezing pipeline 2 in a sliding way. The fixing frame 1 is provided with a water heater 4, and a water inlet hose 5 and a water outlet hose 6 are communicated between the heating ring pipe 3 and the water heater 4. The water inlet hose 5 is communicated with a water outlet of the water heater 4, the water inlet hose 5 is used for filling water into the heating ring pipe 3, the water outlet hose 6 is communicated with a water inlet of the water heater 4, and the water outlet hose 6 is used for discharging the water in the heating ring pipe 3 into the water heater 4.
After the water heater 4 is filled with hot water in the heating ring pipe 3, the heating ring pipe 3 on the easy-freezing pipeline 2 is moved in a reciprocating manner, so that the heating ring pipe 3 heats the easy-freezing pipeline 2, and the possibility of freezing the easy-freezing pipeline 2 is reduced.
Referring to fig. 2 and 3, the heating ring pipe 3 includes two arc pipes 31, the arc pipes 31 are semicircular pipes, and the two arc pipes 31 are in a circular ring shape after being connected in a butt joint manner. One of the arc pipes 31 is fixedly connected with four first connecting plates 32, and the four first connecting plates 32 are uniformly distributed at two ends of the arc pipe 31. And the other arc-shaped pipe 31 is fixedly connected with four second connecting plates 33, and after the two arc-shaped pipes 31 are communicated, the first connecting plates 32 and the second connecting plates 33 are correspondingly attached one by one.
Referring to fig. 3, each set of the corresponding first and second connection plates 32 and 33 is fixed by bolts and nuts, thereby achieving detachable connection of the two arc tubes 31.
Referring to fig. 3, a first pipe 34 is connected to one of the arc pipes 31, a first valve 35 is disposed on the first pipe 34, and the first pipe 34 is connected to the water inlet hose 5. A second pipeline 36 is communicated with the other arc-shaped pipe 31, a second valve 37 is arranged on the second pipeline 36, and the second pipeline 36 is communicated with the water outlet hose 6.
When filling the heating loop 3 with water, the first valve 35 is opened and the second valve 37 is closed, and the boiler 4 passes hot water through the water inlet hose 5 into the heating loop 3. When the temperature of the water in the heating loop 3 drops, the cold water in the heating loop 3 needs to be discharged, at this time, the second valve 37 is opened, the first valve 35 is closed, the water in the heating loop 3 is pumped out by the water pump in the water heater 4, and the water heater 4 heats and stores the returned cold water.
Referring to fig. 1, a driving assembly 7 for driving the heating loop 3 to move is connected to the fixing frame 1, the driving assembly 7 includes a driving screw 71 and a driving block 72, the driving screw 71 is rotatably connected to the fixing frame 1, an axis of the driving screw 71 is parallel to an axis of the heating loop 3, and the driving block 72 is threadedly connected to the driving screw 71. The fixed frame 1 is fixedly connected with a guide rod 73, the guide rod 73 is parallel to the driving screw rod 71, a guide groove 721 is formed in the driving block 72, the guide rod 73 is arranged in the guide groove 721 in a penetrating mode, the driving block 72 is arranged on the guide rod 73 in a sliding mode, and the guide rod 73 plays a role in guiding the driving block 72 in a sliding mode. The driving block 72 is fixedly connected to one of the arc tubes 31.
Referring to fig. 1, a driving unit for driving the driving screw 71 to rotate is fixed on the fixing frame 1, the driving unit includes a driving motor 74, and an output shaft of the driving motor 74 is coaxially connected with the driving screw 71.
When the heating ring pipe 3 needs to be driven to move, the driving motor 74 is started, the driving motor 74 drives the driving screw rod 71 to rotate, the driving screw rod 71 drives the driving block 72 to slide, and the driving block 72 drives the heating ring pipe 3 to move along the length direction of the easy-to-freeze pipeline 2. The effect of driving the heating collar 3 to reciprocate is achieved by the forward and reverse rotation of the output shaft of the drive motor 74.
Referring to fig. 1 and 2, a winding roller 8 is rotatably connected to the fixing frame 1, and the axis of the winding roller 8 is perpendicular to the axis of the driving screw 71. An accommodating groove 81 is formed at one end of the winding roller 8, and the water heater 4 is installed in the accommodating groove 81. The water heater 4 is provided with a power supply, and the power supply is replaced or charged regularly without wiring. The water inlet hose 5 and the water outlet hose 6 are wound on the winding roller 8.
Referring to fig. 1, a linkage assembly 9 is connected to the driving assembly 7, and the linkage assembly 9 is used for driving the winding roller 8 to rotate.
Referring to fig. 1, the linkage assembly 9 includes a linkage shaft 91, the linkage shaft 91 is perpendicular to the driving screw 71 and the winding roller 8, the linkage shaft 91 is rotatably connected to the fixing frame 1, one end of the driving screw 71 is coaxially connected to a first bevel gear 92, one end of the linkage shaft 91 is coaxially connected to a second bevel gear 93, the other end of the linkage shaft 91 is coaxially connected to a third bevel gear 94, and one end of the winding roller 8 is coaxially connected to a fourth bevel gear 95. First bevel gear 92 meshes with second bevel gear 93, and third bevel gear 94 meshes with fourth bevel gear 95.
When the driving screw 71 rotates, the driving screw 71 drives the first bevel gear 92 to rotate, the first bevel gear 92 drives the second bevel gear 93 to rotate, the second bevel gear 93 drives the linkage shaft 91 to rotate, and the linkage shaft 91 drives the third bevel gear 94 to rotate. The third bevel gear 94 drives the fourth bevel gear 95 to rotate, and the fourth bevel gear 95 drives the winding roller 8 to rotate. When the winding roller 8 rotates, the water inlet hose 5 and the water outlet hose 6 are wound or unwound, so that the regularity of the water inlet hose 5 and the water outlet hose 6 is improved.
Referring to fig. 1, the middle part of the winding roller 8 is fixedly sleeved with a baffle ring 82, the baffle ring 82 is positioned between the water inlet hose 5 and the water outlet hose 6, and the baffle ring 82 separates the water inlet hose 5 and the water outlet hose 6, so that the possibility of mutual interference between the water inlet hose 5 and the water outlet hose 6 is reduced, and the regularity of the water inlet hose 5 and the water outlet hose 6 is further improved.
Referring to fig. 1 and 2, a temperature sensor 11 is fixed on the fixing frame 1, and the temperature sensor 11 is used for detecting the temperature of the air around the easy-freezing pipeline 2, so as to judge whether the easy-freezing pipeline 2 is at risk of freezing. When the temperature is lower than the set value, the heating ring pipe 3 is used for heating the easy-freezing pipeline 2. When the temperature is higher than the set value, the driving assembly 7 and the water heater 4 do not work, so that the electric energy is saved.
The implementation principle of a molten iron fire-fighting pipeline freeze-proof device of the embodiment of the application is as follows: when the temperature sensor 11 detects that the temperature of the air surrounding the freezable pipe 2 is lower than a set value, the first valve 35 is opened, the second valve 37 is closed, and the water heater 4 delivers hot water through the water inlet hose 5 into the heating loop 3. After the heating loop 3 is filled with hot water, the first valve 35 is closed and the drive motor 74 is started.
The driving motor 74 drives the driving screw 71 to rotate, the driving screw 71 drives the driving block 72 to slide, and the driving block 72 drives the heating ring pipe 3 to move along the length direction of the easy-to-freeze pipe 2. The effect of driving the heating collar 3 to reciprocate is achieved by the forward and reverse rotation of the output shaft of the drive motor 74. The heating ring pipe 3 heats the easily-frozen pipeline, so that an anti-freezing effect is achieved.
When the driving screw 71 rotates, the driving screw 71 drives the first bevel gear 92 to rotate, the first bevel gear 92 drives the second bevel gear 93 to rotate, the second bevel gear 93 drives the linkage shaft 91 to rotate, and the linkage shaft 91 drives the third bevel gear 94 to rotate. The third bevel gear 94 drives the fourth bevel gear 95 to rotate, and the fourth bevel gear 95 drives the winding roller 8 to rotate. When the winding roller 8 rotates, the water inlet hose 5 and the water outlet hose 6 are wound or unwound, so that the regularity of the water inlet hose 5 and the water outlet hose 6 is improved.
When the temperature of the water in the heating loop 3 drops, the second valve 37 is opened, the water pump in the water heater 4 pumps out the water in the heating loop 3, and the water heater 4 heats and stores the returned cold water. Then the second valve 37 is closed and the first valve 35 is opened and the water heater 4 fills the heating loop 3 again so that the heating loop 3 can continue to operate. Therefore, the easily frozen pipeline of the fire fighting pipeline system is kept in a smooth state.
The embodiment of the application also discloses an installation method of the anti-freezing device for the molten iron fire-fighting pipeline, which comprises the following steps:
s1, detection: detecting the easy-freezing pipeline 2 of the subway water fire-fighting pipeline by workers according to experience or low-temperature environment construction;
s2, mounting the fixing frame 1: selecting a fixing frame 1 with a proper length according to the length of the easy-freezing pipeline 2, so that the heating ring pipe 3 can cover the whole easy-freezing pipeline 2 in the moving process;
s3, installing heating collar 3: sleeving the two arc pipes 31 on the easy-freezing pipeline 2 respectively, and then connecting the two arc pipes 31 in a matched manner through bolts and nuts;
s4, assembling: the heating ring pipe 3 is connected with the driving block 72 in the fixed frame 1, and the water inlet hose 5 and the water outlet hose 6 are communicated between the heating ring pipe 3 and the water heater 4.
The installation method of the anti-freezing device for the molten iron fire-fighting pipeline in the embodiment of the application comprises the following steps: detecting → installing the fixing frame 1 → installing the heating ring pipe 3 → assembling, firstly detecting the easy freezing section of the molten iron fire fighting pipeline by a worker, then selecting the fixing frame 1 with proper length according to the length of the easy freezing pipeline 2, then sleeving the two arc pipes 31 on the easy freezing pipeline 2, fixing the two arc pipes 31 through bolts, and forming the heating ring pipe 3 after the two arc pipes 31 are communicated. And finally, the water inlet hose 5 and the water outlet hose 6 are communicated between the heating ring pipe 3 and the water heater 4, so that the installation is completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a ground molten iron fire-fighting pipeline freeze-proof device which characterized in that: comprises a fixing frame (1), the fixing frame (1) is fixed on an easy-freezing pipeline (2), the fixing frame (1) is connected with a heating ring pipe (3) in a sliding manner, the heating ring pipe (3) is sleeved on the easy-freezing pipeline (2), the heating ring pipe (3) comprises two arc pipes (31), the two arc pipes (31) are detachably connected, the two arc pipes (31) are combined into a ring shape, the fixing frame (1) is connected with a driving component (7) which is used for driving the heating ring pipe (3) to reciprocate along the length direction of the easy-freezing pipeline (2), the heating ring pipe (3) is communicated with a water inlet hose (5) and a water outlet hose (6), the joint of the water inlet hose (5) and the heating ring pipe (3) is provided with a first valve (35), the joint of the water outlet hose (6) and the heating ring pipe (3) is provided with a second valve (37), the water heater is characterized in that a winding roller (8) is connected to the fixing frame (1), the axis of the winding roller (8) is perpendicular to the axis of the heating ring pipe (3), the water inlet hose (5) and the water outlet hose (6) are wound on the winding roller (8), a water heater (4) is installed in the winding roller (8), the water inlet hose (5) is communicated with a water outlet of the water heater (4), the water outlet hose (6) is communicated with a water inlet of the water heater (4), a linkage assembly (9) is connected to the driving assembly (7), and the linkage assembly (9) is used for driving the winding roller (8) to rotate.
2. The antifreeze device for subway water fire-fighting pipelines as claimed in claim 1, wherein: one of the arc-shaped pipes (31) is fixedly connected with a first connecting plate (32), the other arc-shaped pipe (31) is fixedly connected with a second connecting plate (33), and the first connecting plate (32) and the second connecting plate (33) are fixed through bolts and nuts.
3. The antifreeze device for subway water fire-fighting pipelines as claimed in claim 1, wherein: the driving assembly (7) comprises a driving screw rod (71) and a driving block (72), the driving screw rod (71) is rotatably connected to the fixed frame (1), the axis of the driving screw rod (71) is parallel to the axis of the heating ring pipe (3), the driving block (72) is in threaded connection with the driving screw rod (71), the driving block (72) is in sliding connection with the fixed frame (1), the driving block (72) is fixedly connected to the heating ring pipe (3), and a driving element for driving the driving screw rod (71) to rotate is connected to the fixed frame (1).
4. The antifreeze device for subway water fire-fighting pipelines as claimed in claim 3, wherein: the fixing frame (1) is fixedly connected with a guide rod (73), the driving block (72) is provided with a guide groove (721), the guide rod (73) penetrates through the guide groove (721), and the guide rod (73) is parallel to the driving screw rod (71).
5. The antifreeze device for subway water fire-fighting pipelines as claimed in claim 3, wherein: linkage subassembly (9) include universal driving shaft (91), universal driving shaft (91) rotate connect in mount (1), universal driving shaft (91) perpendicular to respectively drive screw (71) with wind winding up roller (8), coaxial coupling has first bevel gear (92) on drive screw (71), coaxial coupling has second bevel gear (93), third bevel gear (94) on universal driving shaft (91), first bevel gear (92) with second bevel gear (93) mesh mutually, coaxial coupling has fourth bevel gear (95) on winding up roller (8), third bevel gear (94) with fourth bevel gear (95) mesh mutually.
6. The antifreeze device for subway water fire-fighting pipelines as claimed in claim 1, wherein: the winding roller (8) is fixedly sleeved with a baffle ring (82), and the baffle ring (82) is positioned between the water inlet hose (5) and the water outlet hose (6).
7. The antifreeze device for subway water fire-fighting pipelines as claimed in claim 1, wherein: the fixing frame (1) is connected with a temperature sensor (11).
8. A method of installing an antifreeze apparatus for a water fire pipeline of a subway as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:
s1, detection: detecting an easily frozen pipeline (2) of the subway water fire-fighting pipeline;
s2, mounting the fixing frame (1): selecting a fixing frame (1) with a proper length according to the length of the easy-freezing pipeline (2);
s3, mounting the heating ring pipe (3): sleeving the two arc pipes (31) on the easy-freezing pipeline (2) respectively, and then connecting the two arc pipes (31);
s4, assembling: the heating ring pipe (3) is connected with a driving component (7) in the fixing frame (1), and the water inlet hose (5) and the water outlet hose (6) are communicated between the heating ring pipe (3) and the water heater (4).
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| CN202111679608.8A CN114321547B (en) | 2021-12-31 | 2021-12-31 | Subway water fire-fighting pipeline anti-freezing device and installation method thereof |
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| CN202111679608.8A CN114321547B (en) | 2021-12-31 | 2021-12-31 | Subway water fire-fighting pipeline anti-freezing device and installation method thereof |
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| FR864602A (en) * | 1940-04-02 | 1941-05-01 | Detectif | Frost protection device |
| US4423311A (en) * | 1981-01-19 | 1983-12-27 | Varney Sr Paul | Electric heating apparatus for de-icing pipes |
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|---|---|
| CN114321547B (en) | 2023-09-22 |
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