CN211601115U - Heat preservation system for winter construction of mixing plant - Google Patents
Heat preservation system for winter construction of mixing plant Download PDFInfo
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- CN211601115U CN211601115U CN202020046826.2U CN202020046826U CN211601115U CN 211601115 U CN211601115 U CN 211601115U CN 202020046826 U CN202020046826 U CN 202020046826U CN 211601115 U CN211601115 U CN 211601115U
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Abstract
The utility model discloses a heat preservation system for construction of a mixing plant in winter, which comprises a boiler, a water separator, a first plate heat exchanger, a water collector, a bottom coil, a side wall coil, a production water pool and a reservoir, wherein a hot water outlet of the boiler is connected with a water inlet of the water separator through a water outlet pipe, and a circulating pump is arranged on the water outlet pipe; the first water outlet of the water separator, the primary side of the first plate heat exchanger, the water collector and the water return port of the boiler are sequentially connected through a circulating water pipe; a second water outlet of the water separator is connected with a water inlet of the bottom coil pipe and a water inlet of the side wall coil pipe through a main water supply pipe; the water outlet of the bottom coil pipe and the water outlet of the side wall coil pipe are connected with a water collector through a main water return pipe; the reservoir, the secondary side of the first plate heat exchanger and the production water tank are connected through a production water supply pipe in sequence, and the production water tank and one end, close to the first plate heat exchanger, of the production water supply pipe are connected through a production circulating water pipe. The utility model discloses a normal construction of winter concrete has been guaranteed in the big square volume concrete supply of winter.
Description
Technical Field
The utility model relates to a heat supply field of preventing frostbite. More specifically, the utility model relates to a heat preservation system for construction of mixing plant winter.
Background
The tunnel construction is carried out in the alpine region, and the key point is to ensure that qualified concrete is provided for the construction without stopping the operation all the year round. The concrete pouring temperature is required to be about 20 ℃ at many engineering positions. But the temperature of the stirring station in the alpine region is too low in winter, so that the production cannot be carried out, and the raw materials are frozen.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat preservation system for construction of mixing plant winter has realized the large square volume concrete supply of winter, has guaranteed the normal construction of winter concrete.
In order to realize the purpose and other advantages of the utility model, the utility model provides a heat preservation system for construction of a mixing plant in winter, which comprises a boiler, a water separator, a first plate heat exchanger, a water collector, a bottom coil pipe arranged at the bottom of a storage bin, a side wall coil pipe arranged on the side wall of the storage bin, a production water pool and a reservoir, wherein, a hot water outlet of the boiler is connected with a water inlet of the water separator through a water outlet pipe, and a circulating pump is arranged on the water outlet pipe; the first water outlet of the water separator, the primary side of the first plate heat exchanger, the water collector and the water return port of the boiler are sequentially connected through a circulating water pipe; a second water outlet of the water separator is connected with a water inlet of the bottom coil pipe and a water inlet of the side wall coil pipe through a main water supply pipe; the water outlet of the bottom coil pipe and the water outlet of the side wall coil pipe are connected with the water collector through a main water return pipe; cistern, first plate heat exchanger's secondary side with the production pond is through producing water piping connection in proper order, the production delivery pipe is close to the one end of cistern is equipped with first water pump and first water valve along the rivers direction in proper order, the production pond with the production delivery pipe is close to the one end of first plate heat exchanger is through producing circulating pipe and connecting, it is equipped with second water pump and second water valve in proper order to produce circulating pipe upward along the rivers direction.
Preferably, a heat preservation system for construction of mixing plant winter, still include, closed various steel canopy, the mixing building, feed bin, the proportioning bins of mixing plant, and boiler, water knockout drum, first plate heat exchanger, water collector, production pond and cistern are all located in the closed various steel canopy.
Preferably, the heat preservation system for the construction of the mixing plant in the winter period further comprises a second plate heat exchanger, wherein the primary side of the second plate heat exchanger is connected with the main water supply pipe, and the secondary side of the second plate heat exchanger is connected with the domestic water pipe.
Preferably, the heat preservation system for the winter construction of the mixing plant is characterized in that an energy reflection film is laid below the bottom coil pipe, and a pressure-resistant heat conduction material is poured above the bottom coil pipe.
Preferably, the boiler of the heat preservation system for the winter construction of the mixing plant is a normal pressure type gas boiler.
Preferably, the heat preservation system for winter construction of the mixing plant is characterized in that the bottom coil pipe and the side wall coil pipe are laid in an S shape.
The utility model discloses at least, include following beneficial effect:
the method comprises the following steps that firstly, a boiler, a water outlet pipe, a circulating pump, a water separator, a circulating water pipe, a plate heat exchanger, a water collector, a main water supply pipe, a main water return pipe, a bottom coil pipe and a side wall coil pipe form a closed hot water circulating system, so that the boiler is guaranteed to keep stable pressure, and can safely operate for a long time;
secondly, the water outlet temperature of the boiler can be set according to the natural temperature, and the heating and heat preservation of the storage bin and the production water are realized through hot water circulation, so that the discharge temperature of the concrete reaches the qualified standard;
the third, to stir building, feed bin, proportioning bins, boiler, water knockout drum, first plate heat exchanger, water collector, production pond and cistern concentrate arrange and locate closed various steel canopy in, can save the pipeline consumptive material on the one hand, the convenient maintenance, on the other hand can improve the temperature in the closed various steel canopy, realizes keeping warm to the heating of production environment, and then realizes the production supply of the large amount of concrete.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a heat preservation system for construction of a mixing plant in winter according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a heat preservation system for construction of mixing plant in winter, including boiler 1, water knockout drum 2, first plate heat exchanger 3, water collector 4, bottom coil pipe 6 located the bottom of feed bin 5, lateral wall coil pipe 7 located the lateral wall of feed bin 5, production water tank 8 and cistern 9, wherein, the hot water outlet of boiler 1 is connected with the water inlet of water knockout drum 2 through the outlet pipe, be equipped with circulating pump 10 on the outlet pipe; the first water outlet of the water separator 2, the primary side of the first plate heat exchanger 3, the water collector 4 and the water return port of the boiler 1 are sequentially connected through a circulating water pipe; a second water outlet of the water separator 2 is connected with a water inlet of the bottom coil 6 and a water inlet of the side wall coil 7 through a main water supply pipe 11; the water outlet of the bottom coil 6 and the water outlet of the side wall coil 7 are connected with the water collector 4 through a main water return pipe 12; cistern 9, first plate heat exchanger 3's secondary side with production water tank 8 is through producing water piping connection in proper order, the production water piping is close to the one end of cistern 13 is equipped with first water pump 13 and first water valve 14 along the rivers direction in proper order, production water tank 8 with the production water piping is close to the one end of first plate heat exchanger 3 is through producing circulating water union coupling, it is equipped with second water pump 15 and second water valve 16 along the rivers direction in proper order to produce circulating water pipe.
In the technical scheme, in order to ensure the safety of the boiler, the boiler is formed in a water circulation closed mode to ensure that the boiler keeps stable pressure, so that the boiler can safely operate for a long time, wherein the boiler, a water outlet pipe, a circulating pump, a water separator, a circulating water pipe, a plate heat exchanger, a water collector, a main water supply pipe, a main water return pipe, a bottom coil pipe and a side wall coil pipe form a closed hot water circulating system, a water storage tank, the plate heat exchanger, a production water tank, a production water supply pipe, a first water pump, a first water valve, a production circulating water pipe, a second water pump and a second water valve form a production water heating system, when in use, the boiler heats water to form hot water, the hot water flows to the water separator through the circulating pump, the water separator divides the hot water into two paths, one path flows to the water collector through the plate heat exchanger and finally returns to the boiler for reheating, the path flows through, the main water return pipe returns to the water collector and finally returns to the boiler for reheating, the closed loop heats the concrete raw material sand stone and ensures the environmental operating temperature of the mixing plant; the hot water is called after the cistern water is heated to plate heat exchanger through first water pump, and hot water pours into the production pond into, and production pond hot water heats through plate heat exchanger once more if the temperature reduces accessible second water pump, need close first valve among the reheating process, can avoid reheating to cause the pollution to the water of cistern.
The concrete heat preservation control is mainly controlled by the water temperature in a closed system of a boiler, and the hot water temperature in the closed system is high, so that the hot water temperature is high and the raw material temperature is high; and the hot water temperature in the closed system is low, so that the hot water temperature is low and the raw material temperature is low. The proper temperature of the hot water of the closed system is controlled by setting the outlet water temperature of the boiler, and if the natural temperature is lower, the outlet water temperature can be set to be a higher value to ensure the temperature in the closed bin; when the natural temperature is higher, the water outlet temperature equipment can be set to a lower value, so that the energy consumption of the boiler is controlled, and the cost is saved.
In another technical scheme, a heat preservation system for construction of mixing plant winter still include, closed various steel canopy 17, mixing plant 18, feed bin 5, proportioning bins 19 of mixing plant, and boiler 1, water knockout drum 2, first plate heat exchanger 3, water collector 4, production pond 8 and cistern 9 all locate in the closed various steel canopy 17. Here, will stir building, feed bin, proportioning bins, boiler, water knockout drum, first plate heat exchanger, water collector, production pond and cistern concentrate arrange and locate closed various steel canopy in, can save the pipeline consumptive material on the one hand, conveniently overhaul, on the other hand can improve the temperature in the closed various steel canopy, realize keeping warm to the heating of production environment, and then realize the production supply of the large amount of concrete. In addition, also can further reform transform on the basis of this system, for example, with stirring building, the feed bin, proportioning bins locate first closed various steel canopy in integrated stirring station module, with the boiler, the water knockout drum, first plate heat exchanger, the water collector is located boiler room in integrated boiler room module, with the production pond, the cistern is located second closed various steel canopy in integrated cistern module, three modules can freely arrange according to the field space, all communicate through the water pipe that corresponds between each subassembly in three modules and the three modules.
In another technical scheme, the heat preservation system for the winter construction of the mixing plant further comprises a second plate heat exchanger, wherein the primary side of the second plate heat exchanger is connected with the main water supply pipe 11, and the secondary side of the second plate heat exchanger is connected with a domestic water pipe so as to provide domestic hot water. In addition, the system can be further improved on the basis of the system to realize multiple functions, for example, the water in the water storage pool can be added with a pipeline as a domestic water source without secondary pollution; the water separator can provide accommodation heating for several paths.
In another technical scheme, the heat preservation system for the winter construction of the mixing plant is characterized in that an energy reflection film is laid below the bottom coil 6, and a pressure-resistant heat conduction material is poured above the bottom coil to improve the heat preservation effect of the storage bin.
In another technical scheme, the heat preservation system for the winter construction of the mixing plant is characterized in that the boiler 1 is a normal-pressure gas boiler, and is green and environment-friendly.
In another technical scheme, the heat preservation system for the winter construction of the mixing plant is characterized in that the bottom coil 6 and the side wall coil 7 are laid in an S shape to increase the heat exchange area and realize the maximum heat supply.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. The heat preservation system for the winter construction of the mixing plant is characterized by comprising a boiler, a water separator, a first plate type heat exchanger, a water collector, a bottom coil pipe arranged at the bottom of a storage bin, a side wall coil pipe arranged on the side wall of the storage bin, a production water pool and a water storage pool, wherein a hot water outlet of the boiler is connected with a water inlet of the water separator through a water outlet pipe, and a circulating pump is arranged on the water outlet pipe; the first water outlet of the water separator, the primary side of the first plate heat exchanger, the water collector and the water return port of the boiler are sequentially connected through a circulating water pipe; a second water outlet of the water separator is connected with a water inlet of the bottom coil pipe and a water inlet of the side wall coil pipe through a main water supply pipe; the water outlet of the bottom coil pipe and the water outlet of the side wall coil pipe are connected with the water collector through a main water return pipe; cistern, first plate heat exchanger's secondary side with the production pond is through producing water piping connection in proper order, the production delivery pipe is close to the one end of cistern is equipped with first water pump and first water valve along the rivers direction in proper order, the production pond with the production delivery pipe is close to the one end of first plate heat exchanger is through producing circulating pipe and connecting, it is equipped with second water pump and second water valve in proper order to produce circulating pipe upward along the rivers direction.
2. The heat preservation system for construction of the mixing plant in the winter season as claimed in claim 1, further comprising a closed color steel shed, wherein the mixing plant, the storage bin and the batching bin of the mixing plant, and the boiler, the water separator, the first plate heat exchanger, the water collector, the production water pool and the water storage pool are all arranged in the closed color steel shed.
3. A thermal insulation system for construction of a mixing plant in winter as claimed in claim 1, further comprising a second plate heat exchanger having a primary side connected to said main water supply pipe and a secondary side connected to a domestic water pipe.
4. The insulation system for the winter construction of the mixing plant according to claim 1, wherein an energy reflecting film is laid below the bottom coil pipe, and a pressure-resistant heat conducting material is poured above the bottom coil pipe.
5. The insulation system for the winter construction of the mixing plant according to claim 1, wherein the boiler is a normal pressure gas boiler.
6. The insulation system for construction of the mixing plant during the winter season of claim 1, wherein the bottom coil and the side wall coil are laid in an S-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046826.2U CN211601115U (en) | 2020-01-09 | 2020-01-09 | Heat preservation system for winter construction of mixing plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046826.2U CN211601115U (en) | 2020-01-09 | 2020-01-09 | Heat preservation system for winter construction of mixing plant |
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| CN211601115U true CN211601115U (en) | 2020-09-29 |
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| CN202020046826.2U Active CN211601115U (en) | 2020-01-09 | 2020-01-09 | Heat preservation system for winter construction of mixing plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341762A (en) * | 2022-08-16 | 2022-11-15 | 中铁二十局集团南方工程有限公司 | Winter concrete construction method and concrete mixing plant |
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2020
- 2020-01-09 CN CN202020046826.2U patent/CN211601115U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341762A (en) * | 2022-08-16 | 2022-11-15 | 中铁二十局集团南方工程有限公司 | Winter concrete construction method and concrete mixing plant |
| CN115341762B (en) * | 2022-08-16 | 2023-11-28 | 中铁二十局集团南方工程有限公司 | Winter concrete construction method and concrete mixing plant |
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