CN212269900U - Low-temperature hot water maintenance system for profiled steel sheet composite floor - Google Patents
Low-temperature hot water maintenance system for profiled steel sheet composite floor Download PDFInfo
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- CN212269900U CN212269900U CN202021597147.0U CN202021597147U CN212269900U CN 212269900 U CN212269900 U CN 212269900U CN 202021597147 U CN202021597147 U CN 202021597147U CN 212269900 U CN212269900 U CN 212269900U
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Abstract
The utility model discloses a profiled sheet composite floor's low temperature hot water maintenance system, including being used for carrying out the steam supply system and the automatic heat transfer system that heat to hot water circulation supply system, steam supply system includes boiler heating device, automatic heat transfer system includes heat exchanger, be connected with automatic moisturizing case on the heat exchanger, hot water circulation supply system includes a plurality of pipeline heating units, pipeline heating unit includes a plurality of heating coil, heating coil's water inlet is through sending, wet return water collection water knockout drum is connected with heat exchanger's hot water delivery port, heating coil's delivery port is through sending, wet return water collection water knockout drum is connected with automatic moisturizing case, heating coil's water inlet and delivery port all are located profiled sheet composite floor's same one side. The utility model discloses can effectively solve the fast difficult problem of slim concrete floor concrete heat dissipation in winter, make profiled sheet composite floor's concrete not receive to freeze, the concrete intensity increases and does not receive the low temperature restriction, effectively improves the utilization ratio of water resource.
Description
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to profiled sheet composite floor's low temperature hot water maintenance system.
Background
In cold seasons, the winter construction of concrete for many projects is inevitable due to construction period constraints. When the environmental temperature is reduced to below the critical freezing temperature of the concrete, under the condition that the newly poured concrete is ensured to avoid early freezing and the exposed concrete keeps smaller temperature difference with the outside air temperature, the effect similar to that in the construction in the natural heating can be obtained by only adopting a proper construction method to increase the internal temperature of the concrete.
The concrete mixture can set and harden gradually after pouring until the final strength is obtained, as a result of the hydration of the cement. The hydration speed of the cement is mainly changed along with the temperature except for being related to the composition materials and the mixing ratio of the concrete. Hydration is accelerated and strength increases more rapidly as temperature increases.
Concrete strength increase time: at 0-4 deg.C, it is 3 times longer than 15 deg.C, when the temperature is reduced to-3 deg.C-5 deg.C, after the concrete is frozen, the reaction is stopped, and at-10 deg.C, the hydration reaction is completely stopped, the strength of concrete is not increased, the frost-heaving volume in concrete is increased by 9%, and the hardened concrete structure is damaged and frozen.
Therefore, on the premise of preventing early freezing damage of concrete and ensuring that the later strength and durability of the concrete meet the requirements, the key point is to accelerate the increase of the strength of the concrete in winter and increase the internal temperature of the concrete.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, a profiled sheet composite floor's low temperature hot water maintenance system is provided, it is through burying heating coil underground in profiled sheet composite floor, can effectively solve the fast difficult problem of slim concrete floor concrete heat dissipation in winter, constantly let in hot water in to heating coil, the concrete that can make profiled sheet composite floor does not receive to freeze, the concrete strength increases and does not receive the low temperature restriction, and simultaneously, the cooling return water in the heating coil can get into hot water circulation supply system and carry out reuse, can effectively improve the utilization ratio of water resource.
In order to solve the technical problem, the utility model discloses a technical scheme is: low temperature hot water maintenance system of profiled sheet composite floor, its characterized in that: the system comprises a steam supply system and an automatic heat exchange system, wherein the steam supply system and the automatic heat exchange system are used for heating a hot water circulation supply system buried in a profiled steel sheet composite floor slab, the steam supply system comprises a boiler heating device used for converting tap water into steam, the automatic heat exchange system comprises a steam-water heat exchanger connected to the air outlet of the boiler heating device, the air inlet of the steam-water heat exchanger is connected with the air outlet of the boiler heating device, the water inlet of the steam-water heat exchanger is connected with an automatic water supplementing tank, the automatic water supplementing tank is connected with a water supply pipe, the hot water circulation supply system comprises a plurality of pipeline heating units buried in the profiled steel sheet composite floor slab along the length direction of the profiled steel sheet composite floor slab, and each pipeline heating unit comprises a plurality of heating coils connected with the hot water outlet of the, the water inlet of heating coil is connected with the hot water delivery port of soda heat exchanger through sending, wet return water collection and distribution ware, heating coil's delivery port is connected with automatic moisturizing case through sending, wet return water collection and distribution ware, a plurality of heating coil among the pipeline heating unit are laid along profiled sheet composite floor's length direction equidistance, heating coil's water inlet and delivery port all lie in profiled sheet composite floor's same one side.
The low-temperature hot water maintenance system of the profiled steel sheet composite floor is characterized in that: profiled sheet composite floor includes profiled sheet and pours on profiled sheet upper portion and with profiled sheet shape assorted concrete structure layer, heating coil is pre-buried in concrete structure layer, heating coil's water inlet and delivery port all stretch out to one side outside of concrete structure layer.
The low-temperature hot water maintenance system of the profiled steel sheet composite floor is characterized in that: and a condensate water outlet is also formed in the steam-water heat exchanger and is connected with the automatic water replenishing tank through a condensate pipe.
The low-temperature hot water maintenance system of the profiled steel sheet composite floor is characterized in that: the hot water outlet of the steam-water heat exchanger is connected with the water distribution pipe of the water collecting and distributing device of the water feeding pipe and the water returning pipe through a hot water pumping pipeline, and the hot water pumping pipeline is connected with a water feeding pump;
the water collecting pipes of the water collecting and distributing device and the automatic water replenishing tank are connected with each other through cooling water pumping pipelines, and the cooling water pumping pipeline is connected with a water return pump.
The low-temperature hot water maintenance system of the profiled steel sheet composite floor is characterized in that: a plurality of interfaces are arranged on the water distribution pipe and the water collection pipe of the water feeding and returning pipe water collection and distribution device, each interface of the water distribution pipe of the water feeding and returning pipe water collection and distribution device is provided with an adjusting valve, and each interface of the water collection pipe of the water feeding and returning pipe water collection and distribution device is provided with a water drain valve;
the quantity of heating coil is the same with the interface quantity on the distributive pipe of sending, wet return water collection and diversion ware, and is a plurality of the water inlet of heating coil with send, the interface one-to-one on the distributive pipe of wet return water collection and diversion ware, it is a plurality of the delivery port of heating coil with send, interface one-to-one on the water collecting pipe of wet return water collection and diversion ware.
The low-temperature hot water maintenance system of the profiled steel sheet composite floor is characterized in that: the hot water pumping pipeline is connected with a water pressure gauge, and the cooling water pumping pipeline is connected with a temperature instrument.
The low-temperature hot water maintenance system of the profiled steel sheet composite floor is characterized in that: the air inlet of the steam-water heat exchanger is communicated with the air outlet of the boiler heating device through a steam pipeline, and an air pressure and temperature monitoring device is arranged on the steam pipeline.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a bury heating coil underground in profiled sheet composite floor slab, can effectively solve the fast difficult problem of slim concrete floor slab concrete heat dissipation in winter, to constantly letting in hot water in the heating coil, can make profiled sheet composite floor slab's concrete not receive to freeze, and concrete strength increases not restricted by the low temperature.
2. The utility model discloses a connect boiler heating device and automatic water replenishing tank on steam-water heat exchanger, can make the water in the automatic water replenishing tank pass through steam-water heat exchanger, the steam that is produced by boiler heating device in steam-water heat exchanger heats, then steam-water heat exchanger exports hot water, and steam-water heat exchanger is convenient for realize the control to the temperature.
3. The utility model discloses a send, wet return water collection and distribution device is connected steam-water heat exchanger's hot water delivery port and a plurality of heating coil's water inlet, can make the hot water in the steam-water heat exchanger get into a plurality of heating coil simultaneously in, can effectively improve profiled sheet composite floor's concrete maintenance effect.
4. The utility model discloses a send, wet return water collection and distribution device is connected the delivery port and the automatic water replenishing tank of a plurality of heating coil, can make the hydrologic cycle heating in the heating coil, can effectively improve the utilization ratio of water resource, and then reduce the waste of water resource.
To sum up, the utility model discloses a bury heating coil underground in profiled sheet composite floor slab can effectively solve the fast difficult problem of slim concrete floor slab concrete heat dissipation in winter, to constantly letting in hot water in the heating coil, can make profiled sheet composite floor slab's concrete not receive to freeze, and the concrete strength increases and does not receive the low temperature restriction, and simultaneously, the cooling return water in the heating coil can get into hot water circulation supply system and carry out reuse, can effectively improve the utilization ratio of water resource.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection relationship between the heating coil and the water collecting and distributing device of the water feeding and returning pipe of the present invention.
Fig. 3 is the schematic diagram of the embedded position of the heating coil in the profiled steel sheet composite floor slab of the utility model.
Description of reference numerals:
1-boiler heating device; 2-steam-water heat exchanger; 3, automatic water replenishing;
4-water collecting and distributing device of water feeding and returning pipe; 4-1-water diversion pipe; 4-2-a water collecting pipe;
5, profiled steel sheets; 6, concrete structure layer; 7-a condensate pipe;
8-hot water pumping pipe; 9-water pump; 10-cooling water pumping pipeline;
11-a water return pump; 12-water pressure gauge; 13-a temperature meter;
14-a steam pipeline; 15-air pressure and temperature monitoring devices;
16-a regulating valve; 17-a water escape valve; 18-a heating coil;
19-floor steel beam.
Detailed Description
As shown in fig. 1 to 3, the present invention comprises a steam supply system and an automatic heat exchange system for heating a hot water circulation supply system buried in a profiled steel sheet composite floor slab, wherein the steam supply system comprises a boiler heating device 1 for converting tap water into steam, the automatic heat exchange system comprises a steam-water heat exchanger 2 connected to an air outlet of the boiler heating device 1, an air inlet of the steam-water heat exchanger 2 is connected to an air outlet of the boiler heating device 1, an automatic water replenishing tank 3 is connected to a water inlet of the steam-water heat exchanger 2, a water supply pipe is connected to the automatic water replenishing tank 3, the hot water circulation supply system comprises a plurality of pipeline heating units buried in the profiled steel sheet composite floor slab along the length direction of the profiled steel sheet composite floor slab, the pipeline heating units comprise a plurality of heating coils 18 connected with hot water outlets of the steam-water heat exchanger 2 through a water feeding and returning pipe water collecting and distributing device 4, the water inlet of heating coil 18 is connected with the hot water delivery port of soda heat exchanger 2 through sending, wet return water collection and distribution ware 4, the delivery port of heating coil 18 is connected with automatic moisturizing case 3 through sending, wet return water collection and distribution ware 4, a plurality of heating coil 18 in the pipeline heating unit are laid along profiled sheet composite floor's length direction equidistance, the water inlet and the delivery port of heating coil 18 all are located profiled sheet composite floor's same one side.
During the in-service use, through burying heating coil 18 underground in profiled sheet composite floor, can effectively solve the fast difficult problem of thin concrete floor concrete heat dissipation in winter, constantly let in hot water in heating coil 18, can make profiled sheet composite floor's concrete not receive the freeze, and concrete strength increases and does not receive the low temperature restriction.
It should be noted that the steam-water heat exchanger 2 is preferably a threaded pipe heat exchanger, and by connecting the boiler heating device 1 and the automatic water replenishing tank 3 to the steam-water heat exchanger 2, water in the automatic water replenishing tank 3 can be heated by steam generated by the boiler heating device 1 in the steam-water heat exchanger 2 through the steam-water heat exchanger 2, and then the steam-water heat exchanger 2 outputs hot water, so that the steam-water heat exchanger 2 is convenient for realizing control of water temperature.
In this embodiment, the hot water outlet of the steam-water heat exchanger 2 is connected with the water inlets of the heating coils 18 through the water feeding and returning pipe water collecting and distributing device 4, so that hot water in the steam-water heat exchanger 2 can enter the heating coils 18 simultaneously, and the concrete curing effect of the profiled steel sheet composite floor slab can be effectively improved.
During the in-service use, through sending, wet return water collection and distribution device 4 is connected the delivery port of a plurality of heating coil 18 with automatic moisturizing case 3, can make the hydrologic cycle heating in the heating coil 18, can effectively improve the utilization ratio of water resource, and then reduce the waste of water resource.
In this embodiment, each of the pipeline heating units corresponds to one water collecting and distributing device 4 of the water feeding and returning pipe, the number of the heating coils 18 in each of the pipeline heating units is preferably nine, and during specific use, the specific structure and the number of the heating coils 18 can be adaptively adjusted according to actual conditions.
In the embodiment, hot water in the hot water pipe can be kept constant temperature all the time, so that the change of the heated temperature difference in the concrete is extremely small.
As shown in fig. 3, in this embodiment, the profiled steel sheet composite floor slab includes a profiled steel sheet 5 and a concrete structure layer 6 that is poured on the upper portion of the profiled steel sheet 5 and has a shape matching with the profiled steel sheet 5, the heating coil 18 is pre-embedded in the concrete structure layer 6, and a water inlet and a water outlet of the heating coil 18 both extend out of one side of the concrete structure layer 6.
In practical use, the heating coil 18 is formed by bending a PE pipe for multiple times, the material of the heating coil 18 is preferably a PE-RT pipe with chemical resistance, corrosion resistance, good environmental protection performance and pipe diameter of phi 20, and the PE-RT pipe has good shape memory recovery performance, vibration resistance, impact resistance and excellent hydraulic property.
In this embodiment, the heating coil 18 is customized and processed into a whole, so as to ensure that no joint exists in the middle of the loop of the heating coil 18.
During the in-service use, the water inlet and the delivery port of heating coil 18 all stretch out to one side outside of concrete structure layer 6, guarantee that heating coil 18's water inlet and delivery port all have 500mm long joints in concrete structure layer 6's the outside, be convenient for heating coil 18 with send, wet return collection water knockout drum 4 is connected.
In this embodiment, a condensed water outlet is further formed in the steam-water heat exchanger 2, and the condensed water outlet is connected with the automatic water replenishing tank 3 through a condensed water pipe 7.
During the in-service use, directly drain the comdenstion water that produces in the soda heat exchanger 2 to the automatic moisturizing case 3 in through condensate pipe 7 and store and recycle, can effectively improve the utilization ratio of water resource, reduce the energy loss among the hot-water circulation process.
In the embodiment, a hot water outlet of the steam-water heat exchanger 2 is connected with a water distribution pipe 4-1 of the water supply and return pipe water collection and distribution device 4 through a hot water pumping pipeline 8, and the hot water pumping pipeline 8 is connected with a water supply pump 9;
the water collecting pipes 4-2 of the water feeding and returning pipe water collecting and distributing device 4 are connected with the automatic water replenishing tank 3 through cooling water pumping pipelines 10, and the cooling water pumping pipelines 10 are connected with water returning pumps 11.
When the water heater is actually used, the water feeding pump 9 is arranged on the hot water pumping pipeline 8 between the hot water outlet of the steam-water heat exchanger 2 and the water distribution pipe 4-1 of the water feeding and returning pipe water collecting and distributing device 4, so that the water feeding pump 9 can conveniently pump the hot water in the steam-water heat exchanger 2 into the heating coil 18 through the water feeding and returning pipe water collecting and distributing device 4; the return water pump 11 is arranged on the cooling water pumping pipeline 10 between the water collecting pipe 4-2 of the water feeding and returning pipe water collecting and distributing device 4 and the automatic water supplementing tank 3, so that the return water pump 11 can pump the cooling return water in the heating coil 18 to the automatic water supplementing tank 3 through the water feeding and returning pipe water collecting and distributing device 4 for cyclic utilization.
In this embodiment, the lowest water level line is provided in the automatic water replenishing tank 3, and before the concrete is cured, a certain amount of water is replenished into the automatic water replenishing tank 3 through the water supply pipe, so that the water level in the automatic water replenishing tank 3 is higher than the lowest water level line, and then the water supply pipe stops supplying water; and (5) starting to maintain the concrete, and supplementing water into the automatic water supplementing tank 3 through a water supply pipe when the water level in the automatic water supplementing tank 3 reaches the lowest water level.
In this embodiment, a plurality of interfaces are respectively arranged on the water distribution pipe 4-1 and the water collection pipe 4-2 of the water feeding and returning pipe water collection and distribution device 4, each interface of the water distribution pipe 4-1 of the water feeding and returning pipe water collection and distribution device 4 is provided with a regulating valve 16, and each interface of the water collection pipe 4-2 of the water feeding and returning pipe water collection and distribution device 4 is provided with a drain valve 17;
the quantity of the heating coil pipes 18 is the same as the quantity of the interfaces on the water distribution pipes 4-1 of the water feeding and returning pipe water collecting and distributing device 4, the water inlets of the heating coil pipes 18 correspond to the interfaces on the water distribution pipes 4-1 of the water feeding and returning pipe water collecting and distributing device 4 one by one, and the water outlets of the heating coil pipes 18 correspond to the interfaces on the water collection pipes 4-2 of the water feeding and returning pipe water collecting and distributing device 4 one by one.
When in actual use, each interface of the water distribution pipe 4-1 of the water supply and return pipe water collection and distribution device 4 is provided with a regulating valve 16, so that the on-off of hot water in the heating coil 18 can be conveniently controlled; a water drain valve 17 is arranged at each interface of the water collecting pipes 4-2 of the water feeding and returning pipe water collecting and distributing device 4, after concrete curing is completed, the adjusting valve 16 can be closed, and water in the heating coil 18 is drained through the water drain valve 17.
In the embodiment, the water distributing pipe 4-1 and the water collecting pipe 4-2 of the water feeding and returning pipe water collecting and distributing device 4 are both made of DN50 steel pipes, the regulating valve 16 is preferably a DN15 regulating valve, and the drain valve 17 is preferably a DN15 drain valve.
In this embodiment, the hot water pumping pipeline 8 is connected with a water pressure gauge 12, and the cooling water pumping pipeline 10 is connected with a temperature meter 13.
When the device is actually used, the water pressure gauge 12 is connected to the hot water pumping pipeline 8, so that the water pressure in the hot water pumping pipeline 8 can be conveniently measured, and the safety of the pipeline is ensured; through being connected with thermodetector 13 on cooling water pump sending pipeline 10, be convenient for detect return water temperature, and then can obtain the difference in temperature between send water temperature and the return water temperature, the staff of being convenient for carries out nimble adjustment to sending water temperature.
In this embodiment, the water pressure gauge 12 and the temperature gauge 13 are both provided with digital displays, so that the water pressure on the hot water pumping pipeline 8 and the return water temperature in the cooling water pumping pipeline 10 can be visually observed by a worker.
In this embodiment, the air inlet of the steam-water heat exchanger 2 is communicated with the air outlet of the boiler heating device 1 through a steam pipeline 14, and the steam pipeline 14 is provided with an air pressure and temperature monitoring device 15.
During the actual use, through set up atmospheric pressure and temperature monitoring devices 15 on steam conduit 14, be convenient for monitor from the temperature and the pressure of the steam that boiler heating device 1 came out, and then be convenient for adjust the play water temperature of soda heat exchanger 2.
In this embodiment, the pressure and temperature monitoring device 15 on the steam line 14 is preferably a temperature and pressure sensor of the type TPT463E-35MPA-6/18-SIL 2.
During specific implementation, the air pressure and temperature monitoring device 15 is connected with the computer, and data measured by the air pressure and temperature monitoring device 15 can be stored and displayed on the computer, so that the data can be conveniently checked by a worker.
In practical use, the utility model supports the profiled steel sheet 5 on the floor steel beam 19, then uses the profiled steel sheet 5 with concave-convex intervals as a lining board to bind the bottom steel bar of the concrete structure layer on the profiled steel sheet 5, binds and fixes the heating coil 18 on the bottom steel bar, after the binding of the heating coil 18 is completed, the upper steel bar is continuously bound upwards on the bottom steel bar to form the reinforcement cage of the concrete structure layer 6, the upper steel bar is provided with a temperature sensor to monitor the internal temperature of the concrete, the side templates are arranged on the peripheral sides of the profiled steel sheet 5, a concrete pouring cavity is formed between the side templates and the profiled steel sheet 5, the low-temperature water curing system is connected, the boiler heating device 1 is started, the cold water is heated by the steam-water heat exchanger 2 and then is sent into the heating coil 18 through the water return pipe water collector 4, the cooling return water in the heating coil 18 is continuously returned to the automatic water replenishing tank 3 for storage, for reuse; and after the low-temperature water curing system is integrally started, concrete is poured into a cavity formed between the side templates and the profiled steel sheet 5 to form a concrete structure layer 6, and the concrete is cured by low-temperature hot water through the low-temperature water curing system.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (7)
1. Low temperature hot water maintenance system of profiled sheet composite floor, its characterized in that: the steam heating system comprises a steam supply system and an automatic heat exchange system, wherein the steam supply system and the automatic heat exchange system are used for heating a hot water circulation supply system buried in a profiled steel sheet composite floor slab, the steam supply system comprises a boiler heating device (1) for converting tap water into steam, the automatic heat exchange system comprises a steam-water heat exchanger (2) connected to the gas outlet of the boiler heating device (1), the gas inlet of the steam-water heat exchanger (2) is connected with the gas outlet of the boiler heating device (1), an automatic water replenishing tank (3) is connected to the water inlet of the steam-water heat exchanger (2), a water supply pipe is connected to the automatic water replenishing tank (3), the hot water circulation supply system comprises a plurality of pipeline heating units buried in the profiled steel sheet composite floor slab along the length direction of the profiled steel sheet composite floor slab, and each pipeline heating unit comprises a plurality of heating coils (18) connected with the hot water outlet of the steam-water heat exchanger The water inlet of heating coil (18) is connected with the hot water outlet of steam-water heat exchanger (2) through sending, wet return water collection and distribution ware (4), the delivery port of heating coil (18) is connected with automatic water replenishing tank (3) through sending, wet return water collection and distribution ware (4), a plurality of heating coil (18) among the pipeline heating unit are laid along profiled sheet composite floor's length direction equidistance, the water inlet and the delivery port of heating coil (18) all are located profiled sheet composite floor's same one side.
2. The system for low-temperature hot-water curing of a profiled steel sheet composite floor according to claim 1, wherein: profiled sheet composite floor includes profiled sheet (5) and pours profiled sheet (5) upper portion and with profiled sheet (5) shape assorted concrete structure layer (6), heating coil (18) are pre-buried in concrete structure layer (6), the water inlet and the delivery port of heating coil (18) all stretch out to one side outside of concrete structure layer (6).
3. The system for low-temperature hot-water curing of a profiled steel sheet composite floor according to claim 1, wherein: and a condensed water outlet is also formed in the steam-water heat exchanger (2) and is connected with the automatic water replenishing tank (3) through a condensed water pipe (7).
4. The system for low-temperature hot-water curing of a profiled steel sheet composite floor according to claim 1, wherein: a hot water outlet of the steam-water heat exchanger (2) is connected with a water distribution pipe (4-1) of the water supply and return pipe water collection and distribution device (4) through a hot water pumping pipeline (8), and a water supply pump (9) is connected to the hot water pumping pipeline (8);
the water collecting pipe (4-2) of the water collecting and distributing device (4) of the water feeding and returning pipe is connected with the automatic water replenishing tank (3) through a cooling water pumping pipeline (10), and the cooling water pumping pipeline (10) is connected with a water returning pump (11).
5. The system for low-temperature hot-water curing of a profiled steel sheet composite floor as claimed in claim 4, wherein: a plurality of interfaces are arranged on the water distribution pipe (4-1) and the water collection pipe (4-2) of the water feeding and returning pipe water collection and distribution device (4), each interface of the water distribution pipe (4-1) of the water feeding and returning pipe water collection and distribution device (4) is provided with an adjusting valve (16), and each interface of the water collection pipe (4-2) of the water feeding and returning pipe water collection and distribution device (4) is provided with a drain valve (17);
the quantity of heating coil (18) is the same with the interface quantity on distributive pipe (4-1) of sending, wet return collection and diversion ware (4), and is a plurality of the water inlet of heating coil (18) with send, the interface one-to-one on distributive pipe (4-1) of wet return collection and diversion ware (4), a plurality of the delivery port of heating coil (18) with send, interface one-to-one on the water collecting pipe (4-2) of wet return collection and diversion ware (4).
6. The system for low-temperature hot-water curing of a profiled steel sheet composite floor as claimed in claim 4, wherein: the hot water pumping pipeline (8) is connected with a water pressure gauge (12), and the cooling water pumping pipeline (10) is connected with a temperature instrument (13).
7. The system for low-temperature hot-water curing of a profiled steel sheet composite floor according to claim 1, wherein: the air inlet of the steam-water heat exchanger (2) is communicated with the air outlet of the boiler heating device (1) through a steam pipeline (14), and an air pressure and temperature monitoring device (15) is arranged on the steam pipeline (14).
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| CN202021597147.0U CN212269900U (en) | 2020-08-04 | 2020-08-04 | Low-temperature hot water maintenance system for profiled steel sheet composite floor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763099A (en) * | 2020-08-04 | 2020-10-13 | 陕西建工集团股份有限公司 | Low-temperature hot water maintenance system for profiled steel sheet composite floor slab and winter construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763099A (en) * | 2020-08-04 | 2020-10-13 | 陕西建工集团股份有限公司 | Low-temperature hot water maintenance system for profiled steel sheet composite floor slab and winter construction method |
| CN111763099B (en) * | 2020-08-04 | 2023-12-15 | 陕西建工集团股份有限公司 | Low-temperature hot water maintenance system and winter construction method for profiled steel sheet composite floor slab |
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