Construction stock bin water heating device in alpine region

Abstract

The utility model discloses a water heating device for a construction stock bin in an alpine region, and belongs to the technical field of water conservancy and hydropower. An alpine region construction stock bin water heating device comprises a furnace and a water heating tank, the furnace evenly heats water in the water heating tank through a copper metal plate to generate high-temperature steam, the steam is fixed to the outer wall of a stock bin through an air outlet pipe and a heat preservation pipe to transfer heat, and the temperature of gravel aggregate in the stock bin is increased to meet the concrete construction requirement. And the steam is liquefied into condensed water through the condensing pipe after being cooled, and is conveyed back to the water heating tank through the water return pipe to form closed-loop circulation. The material performance and the production efficiency are improved by heating the aggregate through steam, and the construction cost is reduced through a closed-loop water heating system.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy and hydropower technical field especially relates to a kind of high-cold region construction material bin water heating device. BACKGROUND

[0002] After entering cold weather in high-cold high-altitude area, atmospheric temperature gradually reduces, and concrete construction cannot be carried out, which directly affects the completion of the initial support task of tunnel excavation. According to the supervision requirements, the temperature of the concrete outlet cannot be lower than 9℃, while the actual temperature on site is-12℃, and the external temperature of the sand and gravel aggregate stored by the project is-9℃ and-10℃ respectively, and the construction water is-12℃. The on-site mixed concrete cannot meet the construction requirements. In the traditional process, hot water is often used as mixing water for mixing concrete, and the mixing is carried out to meet the supervision requirements of the outlet temperature. However, the use of hot water for mixing may cause damage to cement, and if the mixing temperature is not controlled well, the mixed concrete cannot be used, which not only reduces the production efficiency, but also causes waste in construction. SUMMARY

[0003] The utility model aims at solving the problems of high construction cost, low production efficiency and poor material performance of the existing high-cold region construction material bin water heating device, and provides a high-cold region construction material bin water heating device.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A kind of high-cold region construction material bin water heating device, including furnace and water heating box, the furnace top is connected water heating box, water heating box top is equipped with water tank cover, water tank cover top is equipped with outlet pipe joint and backwater pipe joint, outlet pipe joint connects outlet pipe, outlet pipe is communicated with heat preservation pipe, heat preservation pipe is spring-shaped and is wound around the surrounding of material bin, heat preservation pipe is communicated with condenser pipe, condenser pipe is connected backwater pipe joint.

[0006] In some embodiments, the top of the furnace is provided with a copper metal plate, and the water heating box is arranged on the copper metal plate.

[0007] In some embodiments, the water heating box is made of stainless steel, the water tank cover is fixed on the top of the water heating box by screw thread, a strip-shaped water level observation window is arranged on the side surface of the water heating box, and a pressure valve is arranged above the strip-shaped water level observation window.

[0008] In some embodiments, the surface of the water tank cover is provided with an air outlet and a backwater outlet, the air outlet is connected to the outlet pipe joint, and the backwater outlet is connected to the backwater pipe joint.

[0009] In some embodiments, the outlet pipe and the heat preservation pipe are metal hoses, the condenser pipe is a copper pipe, the two ends of the heat preservation pipe are connected to the outlet pipe and the condenser pipe respectively, and the outlet pipe, the heat preservation pipe and the condenser pipe are fixed on the outer wall of the material bin by iron wire.

[0010] Compared with the prior art, the high-cold region construction material bin water heating device has the following beneficial effects.

[0011] 1、The utility model discloses a steam is produced to the water heating box through the furnace heating, and the steam heats the material bin outer wall through the heat preservation pipe, and the steam is condensed and is returned to the water heating box through the condenser pipe, forms closed loop water heating system, and the construction cost is reduced.

[0012] 2、Compared with the method that hot water is directly mixed with concrete in the traditional construction, the device heats the aggregate through the steam, avoids the problem that the cement hydration reaction is out of control due to the excessively high temperature of hot water, and improves production efficiency.

[0013] 3、The utility model discloses a heat is directly transferred to the aggregate surface in the material bin, ensures that the material bin temperature is uniform, and improves the performance of construction materials.

[0014] Other advantages, objects and features of the utility model will be set forth in the subsequent description to some extent; and to some extent, based on the study of the following text, it will be obvious to those skilled in the art; or, it can be taught from the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the water heating device of the utility model;

[0016] Figure 2 It is the structure schematic diagram of the water heating box of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the water tank cover of the utility model;

[0018] Figure 4 It is the material bin outer wall pipeline drawing of the utility model.

[0019] In the drawing:

[0020] 1, furnace; 101, copper metal plate; 2, water heating box; 201, strip-shaped water level observation window; 202, pressure valve; 3, water tank cover; 301, gas outlet; 302, backwater outlet;

[0021] 4, gas outlet pipe; 5, material bin; 6, heat preservation pipe; 7, condenser pipe; 8, gas outlet pipe joint;

[0022] 9, backwater pipe joint. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Referring to Figures 1-4 A high-cold region construction material bin water heating device, including fire stove 1 and water heating box 2, the fire stove 1 top is connected with water heating box 2, water heating box 2 top is equipped with water tank cover 3, water tank cover 3 top is equipped with gas outlet pipe joint 8 and backwater pipe joint 9, gas outlet pipe joint 8 is connected with gas outlet pipe 4, gas outlet pipe 4 is communicated with heat preservation pipe 6, heat preservation pipe 6 is spring-shaped and is wound around the material bin 5, heat preservation pipe 6 is communicated with condensing pipe 7, condensing pipe 7 is connected with backwater pipe joint 9.

[0025] In the present utility model, fire stove 1 is used as heat source to provide heat by burning coal, and the heat is transferred to water heating box 2 to heat water to boiling and generate steam, copper metal plate 101 is arranged on the top of fire stove 1, and the high thermal conductivity of copper is used to further optimize the heat transfer efficiency, rapidly absorb the heat generated by fire stove, and evenly distribute the heat to the bottom of water heating box 2 through the high thermal conductivity of copper metal, to prevent local overheating. Water heating box 2 is arranged above fire stove 1 to receive heat energy from copper metal plate 101, and water is filled in water heating box 2, and the water temperature is raised by heat energy until boiling to generate steam.

[0026] In the present utility model, water heating box 2 is made of stainless steel material to ensure stable work of water heating box 2 in high-temperature and high-pressure steam environment, effectively prevent internal steam leakage, and water tank cover 3 is fixed on the top of water heating box 2 by screwing, the contact area between water tank cover 3 and water heating box 2 is increased to enhance the sealing performance and prevent high-pressure steam leakage. A strip-shaped water level observation window 201 is arranged on the side of water heating box 2, the strip-shaped water level observation window 201 is made of tempered glass material to facilitate real-time monitoring of water level by workers, has good light transmission and sufficient strength, and ensures that the observation window will not be broken in high-pressure environment, to provide safe monitoring conditions for workers. The strip-shaped water level observation window 201 allows longer line of sight to facilitate comprehensive monitoring of water level state and timely discovery of water level abnormalities. Meanwhile, a pressure valve 202 is arranged above the strip-shaped water level observation window 201, the pressure valve 202 integrates a pressure sensing mechanism, when the internal pressure of water heating box 2 exceeds the set safety value, the valve is automatically opened to release part of steam to maintain the internal pressure within a safe range, to ensure stable and controllable steam supply. The arrangement of the strip-shaped water level observation window 201 and the pressure valve 202 not only facilitates real-time monitoring of water level and pressure, but also ensures stable steam supply and improves the operation efficiency of the whole system.

[0027] The utility model discloses, water tank cover 3 surface is equipped with air outlet 301 and backwater 302, air outlet 301 is connected air outlet pipe joint 8 through the welding mode, backwater 302 is connected backwater pipe joint 9 through the welding mode, air outlet pipe joint 8 connects air outlet pipe 4 to transport steam, backwater pipe joint 9 connects condensing pipe 7 to guide condensed water backflow to water heating tank 2, realizes recycling.

[0028] The utility model discloses, steam is transmitted to heat preservation pipe 6 through air outlet pipe 4, and the temperature in heat preservation pipe 6 is caused to rise through the continuous heating of stove 1, and cold water becomes hot water, and then the sandstone aggregate is heated on the surface through the mode of heat transfer, and then forms the heat cycle in sandstone aggregate stock bin 5, and the surface temperature of sandstone aggregate rises to reach the whole warm function, and the concrete mixer is closed using the heat insulation cotton mode simultaneously. Through internal heating and external insulation measures, the winter construction concrete mixing quality is ensured. Air outlet pipe 4, heat preservation pipe 6 and condensing pipe 7 in water heating device are fixed with iron wire on the outer wall of stock bin 5, if the size of stock bin 5 is bigger, can be along several circles of arrangement of stock bin 5, increase water heating area. The closed loop heat cycle system that air outlet pipe 4, heat preservation pipe 6 and condensing pipe 7 form, supplement the external insulation measures of concrete mixer, realize the effective preheating of sandstone aggregate, and guarantee the quality of winter construction concrete mixing. Meanwhile, through the layout of heat preservation pipe 6 optimization, the uniform distribution of heat energy is ensured, and the heating efficiency is improved, and the efficient utilization of heat energy is realized.

[0029] The utility model discloses, water heating device closed loop operation's work flow is as follows: stove 1 heats water heating tank 2, and the steam of water in water heating tank 2 generates, is transported to the pipeline system through air outlet pipe joint 8;Steam is transported to heat preservation pipe 6 along air outlet pipe 4, and the surface temperature of sandstone aggregate in bin is made to rise through the heat transfer of heat preservation pipe 6 that surrounds and adheres on the outside of stock bin 5;Steam enters condensing pipe 7 after completing heat transfer, gradually cools and liquefies into condensed water, and condensed water enters condensing pipe 7 and is transported to water heating tank 2 again through backwater pipe joint 9, realizes closed loop circulation. After construction, first of all, stove 1 is extinguished, and waits for the temperature in stove and water heating tank 2 to drop naturally to the safe range, and after the temperature drops to the safe level, disconnects the operation of air outlet pipe joint 8 and backwater pipe joint 9. Then disconnect air outlet pipe 4, warm pipe 6 and condensing pipe 7, ensure that all components cool completely, prevent scalding workers by disconnecting air outlet pipe joint 8, backwater pipe joint 9 and air outlet pipe 4 first.

[0030] The above, only for the preferable specific implementation mode of the utility model, but the protection scope of the utility model does not limit to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme of the utility model and the utility model concept, carries out equivalent replacement or changes, all should be covered in the protection scope of the utility model.

[0031] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0032] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A water heating device for a construction material silo in high-altitude and cold regions, characterized in that: The utility model provides a water heating box and stove, it includes stove (1) and water heating box (2), stove (1) is connected water heating box (2) above, and water heating box (2) top is equipped with water tank cover (3), and water tank cover (3) is equipped with air outlet pipe joint (8) and return pipe joint (9) above, air outlet pipe joint (8) is connected air outlet pipe (4), air outlet pipe (4) communicates with heat preservation pipe (6), heat preservation pipe (6) is spring-like and is wound around the surrounding of bunker (5), heat preservation pipe (6) communicates with condensing pipe (7), and condensing pipe (7) is connected return pipe joint (9).

2. The water heating device for a material bin used in a high-cold region according to claim 1, characterized in that, The stove (1) top is equipped with copper metal sheet (101), and the water heating box (2) is arranged on the copper metal sheet (101).

3. The water heating device for a material bin used in a high-cold region according to claim 1, characterized in that, The water heating box (2) is made of stainless steel material, the water heating box (2) top is fixed with the water tank cover (3) through screw threads, and the water heating box (2) side is equipped with strip-shaped water level observation window (201), and the strip-shaped water level observation window (201) top is equipped with pressure valve (202).

4. The water heating device for a material bin used in a high-cold region according to claim 3, characterized in that, The water tank cover (3) surface is equipped with air outlet (301) and return water outlet (302), the air outlet (301) is connected with the air outlet pipe joint (8), and the return water outlet (302) is connected with the return pipe joint (9).

5. The water heating device for a material bin used in a high-cold region according to claim 1, characterized in that, The air outlet pipe (4) and heat preservation pipe (6) are metal hoses, the condensing pipe (7) is a copper pipe, the heat preservation pipe (6) two ends are connected with the air outlet pipe (4) and the condensing pipe (7) respectively, and the air outlet pipe (4), heat preservation pipe (6) and condensing pipe (7) are fixed on the bunker (5) outer wall through iron wire.

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