Power plant area primary network heating water mixing device

Abstract

The utility model relates to a power plant area primary network heating water mixing device, which relates to the technical field of heating and comprises a first water mixing tank, a cold water inlet pipe, a hot water inlet pipe and a second water mixing tank, the cold water inlet pipe and the hot water inlet pipe are located on the two sides of the top of the first water mixing tank correspondingly, water mixing plates are evenly arranged on the two side walls, close to the cold water inlet pipe and the hot water inlet pipe, in the first water mixing tank in the vertical direction at intervals, the water mixing plates incline downwards, and the water mixing plates on the left side and the right side are arranged at intervals. Water mixing gaps allowing water to flow through are formed between the adjacent water mixing plates, the two uppermost water mixing plates receive water flow flowing in from the cold water inlet pipe and the hot water inlet pipe respectively, and the second water mixing tank receives water flow mixed in the first water mixing tank and leads out the water flow. The device has the beneficial effects that a large amount of cold water and hot water can be mixed more conveniently and quickly.

Description

Technical Field

[0001] This utility model relates to the field of heating technology, and in particular to a mixing device for primary heating network in power plant areas. Background Technology

[0002] Central heating refers to a system where steam and hot water generated by a centralized heat source are supplied to a city (town) or part of a region through a pipe network to meet its production, heating, and domestic needs. Central heating systems have separate heat sources and heat dissipation equipment connected by a heat transfer network. A single heat source supplies heat to each room or building through pipelines and the network. This system can be used for centralized heating in residential communities, office buildings, factories, restaurants, shopping malls, theaters, and other similar locations.

[0003] Based on the primary network's water supply temperature, the secondary network users' required water supply temperature, and the heating area, the flow rate of the primary network and the mixing volume of the secondary network are determined. According to the outlet water temperature, an electric valve is used to adjust the primary network flow rate and the secondary network mixing volume to maintain the set mixing ratio, thus achieving a direct connection between the low-temperature heating system and the high-temperature external network, with the mixed water pumped to the heating system.

[0004] In a typical household, water mixing is done using a mixing valve. However, the volume of water used for heating systems is much larger, making it difficult to mix water quickly and effectively using a conventional mixing valve. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, this utility model provides a mixing device for primary heating in power plant areas, which solves the technical problem that conventional mixing valves are difficult to quickly and effectively mix large volumes of heating water.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0009] This utility model embodiment provides a mixing device for primary heating in a power plant area, including a first mixing tank arranged vertically, a cold water inlet pipe and a hot water inlet pipe connected to the top of the first mixing tank, and a second mixing tank connected to the bottom of the first mixing tank. The cold water inlet pipe and the hot water inlet pipe are respectively located on both sides of the top of the first mixing tank. Inside the first mixing tank, mixing plates are evenly spaced vertically on both side walls near the cold water inlet pipe and the hot water inlet pipe. The mixing plates are inclined downwards, and the mixing plates on the left and right sides are spaced apart, forming a mixing gap between adjacent mixing plates through which water flows. The two uppermost mixing plates respectively receive the water flowing in from the cold water inlet pipe and the hot water inlet pipe. The second mixing tank receives the water mixed in the first mixing tank and leads it out.

[0010] This utility model provides a mixing device for primary heating networks in power plants. When mixing water in the primary heating network using this device, cold water pipes and hot water pipes are connected to the cold water inlet pipe and hot water inlet pipe, respectively. Water is then released, and both cold and hot water enter the first mixing tank and flow onto two adjacent mixing plates. The water then flows down along the inclined direction of the mixing plates, where it mixes together. As the mixed water flows from top to bottom through multiple mixing plates, the cold and hot water are mixed together, and finally flows into the second mixing tank and is then led out, thus completing the mixing process. This solution can mix large volumes of cold and hot water more conveniently and quickly.

[0011] Optionally, the bottom of the first mixing tank is provided with a connecting pipe that connects to the second mixing tank. The diameter of the upper end of the connecting pipe is larger than the diameter of the lower end, and the inner wall of the connecting pipe is set in a spiral shape that is inclined to one side.

[0012] By installing a connecting pipe between the first mixing tank and the second mixing tank, with the upper diameter of the connecting pipe being larger than the lower diameter and the inner wall being spiral-shaped, the mixed water flow will accelerate downwards in a spiral motion as it flows down the connecting pipe, thereby improving the efficiency of the large volume of water flowing out after mixing.

[0013] Optionally, the bottom of the first mixing tank is provided with a water receiving plate that receives the water flowing down from the lowest mixing plate and diffuses it into a water receiving plate coaxially aligned with the connecting pipe. The second mixing tank is provided with a vertically arranged water stirring screw. The top of the water stirring screw is conical, and the outer circumferential thread of the water stirring screw is in the same direction as the spiral of the inner wall of the connecting pipe.

[0014] By vertically installing a water-stirring screw in the second mixing tank, the spiral direction of the water-stirring screw is the same as the spiral direction of the inner wall of the connecting pipe, so that the water supply flows quickly to the bottom wall of the second mixing tank. At the same time, the water flow from the last mixing plate is received by the water receiving plate and transported and diffused into a ring-shaped water flow aligned with the connecting pipe, thereby reducing unnecessary collisions of the water flow in the first and second mixing tanks and improving the mixing and downstream efficiency.

[0015] Optionally, the bottom wall of the second mixing tank is inclined, and a drain pipe is provided on the outside of the second mixing tank, with one end of the drain pipe connected to the lowest point inside the second mixing tank.

[0016] By setting the bottom wall of the second mixing tank to be inclined, and installing a drain pipe at the lowest point of the inclined bottom surface, the mixed water entering the second mixing tank can quickly flow along the bottom wall of the second mixing tank to the drain pipe and be discharged, thereby improving the mixing efficiency.

[0017] Optionally, the inlet end of the drain pipe is flat, the outlet end of the drain pipe is round, and the inlet end of the drain pipe is horizontally connected to the bottom of the side of the second mixing tank.

[0018] By making the inlet end of the drain pipe flat, the water flow can quickly converge from a wide shape into a cylindrical shape as it flows down the bottom wall of the second mixing tank, reducing the residence time of the water flow in the mixing device and improving the mixing efficiency.

[0019] Optionally, the top wall of the first mixing tank is provided with inlet nozzles that are respectively connected to the cold water inlet pipe and the hot water inlet pipe, and the outlet of the inlet nozzle is flat in a direction perpendicular to the width of the mixing plate.

[0020] By installing a flat inlet nozzle at the top of the first mixing tank, cold and hot water enter through the inlet pipe and are compressed by the inlet nozzle, thus distributing more evenly on the surface of the mixing plate and flowing more evenly, thereby achieving faster and more even mixing and improving mixing efficiency.

[0021] Optionally, the mixing plate is rotatably connected to the inner wall of the first mixing tank on one side, and an adjustment component is provided on the lower end face of the mixing plate to adjust and position the rotation angle of the mixing plate.

[0022] By rotating the mixing plate to the inner wall of the first mixing tank and adjusting the rotation angle of the mixing plate using an adjustment component, the mixing plate can be adjusted to tilt downwards as needed, thereby achieving different drainage and mixing efficiencies.

[0023] Optionally, the adjustment assembly includes an arc-shaped adjustment plate vertically disposed on the lower end face of the mixing plate and inserted through the side wall of the first mixing tank as the mixing plate rotates, and a fixing clamp fixed to the side end of the first mixing tank and clamping the arc-shaped adjustment plate. The side end of the first mixing tank has a plurality of vertical adjustment holes through which one end of the arc-shaped adjustment plate passes.

[0024] By vertically setting an arc-shaped adjustment plate at the lower end of the mixing plate, one end of the arc-shaped adjustment plate can be passed through the side wall of the first mixing tank and clamped and fixed, so as to adjust the rotation angle of the mixing plate and fix it, which is very convenient.

[0025] Optionally, the fixing clamp includes a support plate vertically disposed on both sides of the adjustment hole, a clamping plate horizontally slidably connected between the two support plates, and a rubber sheet disposed at one end of the two clamping plates close to each other. The two clamping plates are tightened with bolts to clamp and fix the arc-shaped adjustment plate. The arc-shaped adjustment plate is provided with an adjustment scale along its length.

[0026] By tightening the two clamping plates, the rubber sheet between the two clamping plates clamps the arc-shaped adjustment plate more securely. At the same time, the arc-shaped adjustment plate is equipped with adjustment scales, which can be used to judge the angle of the internal mixing plate by observing the scales exposed after clamping the arc-shaped adjustment plate, making adjustment more convenient.

[0027] (III) Beneficial Effects

[0028] The beneficial effects of this utility model are as follows: When mixing water in the primary heating network of a power plant, the cold water pipe and the hot water pipe are connected to the cold water inlet pipe and the hot water inlet pipe, respectively. Then, water is released, and both cold and hot water enter the first mixing tank and flow to two adjacent mixing plates. The water then flows down along the inclined direction of the mixing plates, and the flowing water will mix together. As the mixed water flows from top to bottom through multiple mixing plates, the cold and hot water are mixed together, and finally flows into the second mixing tank and is then led out, thus completing the mixing. This solution can mix large volumes of cold and hot water, making it more convenient and faster. Attached Figure Description

[0029] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0030] Figure 2 for Figure 1 Enlarged view of point A;

[0031] Figure 3 This is a cross-sectional view of an embodiment of the present utility model.

[0032] [Explanation of Labels in the Attached Image]

[0033] 1. First mixing tank; 11. Mixing plate; 12. Mixing gap; 13. Inlet nozzle; 14. Water receiving plate; 15. Adjustment assembly; 151. Arc-shaped adjustment plate; 1511. Adjustment scale; 152. Fixing clamp; 1521. Support plate; 1522. Clamping plate; 1523. Rubber sheet; 16. Adjustment hole; 2. Cold water inlet pipe; 3. Hot water inlet pipe; 4. Connecting pipe; 5. Second mixing tank; 51. Stirring screw; 52. Drain pipe. Detailed Implementation

[0034] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] The mixing device for primary heating network in power plant areas proposed in this embodiment of the invention involves connecting cold water pipes and hot water pipes to the cold water inlet pipe and hot water inlet pipe respectively when mixing water in the primary heating network. Water is then released, and both cold and hot water enter the first mixing tank and flow onto two adjacent mixing plates. The water then flows down along the inclined direction of the mixing plates, where it mixes together. As the mixed water flows from top to bottom through multiple mixing plates, the cold and hot water are further mixed, finally flowing into the second mixing tank and then out, thus completing the mixing process. This solution can mix large volumes of cold and hot water more conveniently and quickly.

[0036] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and that the scope of the present invention can be fully conveyed to those skilled in the art.

[0037] Reference Figure 1 A mixing device for primary heating in a power plant area includes a first mixing tank 1 arranged vertically, a cold water inlet pipe 2 and a hot water inlet pipe 3 connected to the top of the first mixing tank 1, and a second mixing tank 5 connected to the bottom of the first mixing tank 1 via a connecting pipe 4. The cold water inlet pipe 2 and the hot water inlet pipe 3 are located on both sides of the top of the first mixing tank 1, respectively.

[0038] See Figure 2 and Figure 3Inside the first mixing tank 1, mixing plates 11 are evenly spaced vertically on both sides near the cold water inlet pipe 2 and the hot water inlet pipe 3. The mixing plates 11 are inclined downwards, and the left and right mixing plates 11 are arranged at intervals. A mixing gap 12 is formed between adjacent mixing plates 11 for water to flow through. The two uppermost mixing plates 11 respectively receive the water flowing in from the cold water inlet pipe 2 and the hot water inlet pipe 3. The second mixing tank 5 receives the water mixed in the first mixing tank 1 and leads it out. Both cold water and hot water enter the first mixing tank 1 and flow onto the two adjacent mixing plates 11 respectively. Then, they flow down along the inclined direction of the mixing plates 11, and the flowing water will mix together. As the mixed water flows from top to bottom through multiple mixing plates 11, the cold water and hot water are mixed together, and finally flow into the second mixing tank 5 and then lead out, thus completing the mixing process.

[0039] The inner top wall of the first mixing tank 1 is provided with inlet nozzles 13, which are respectively connected to the cold water inlet pipe 2 and the hot water inlet pipe 3. The outlet of the inlet nozzle 13 is flat and perpendicular to the width direction of the mixing plate 11. This allows the cold and hot water to enter along the inlet pipes and be widened by the inlet nozzles 13, so that they are more evenly distributed on the surface of the mixing plate 11 and flow, thereby achieving faster and more even mixing and improving mixing efficiency.

[0040] The upper diameter of the connecting pipe 4 is larger than the lower diameter. The inner wall of the connecting pipe 4 is designed as a spiral that slopes to one side. The bottom of the first mixing tank 1 is provided with a water receiving plate 14 that receives the water flowing down from the lowest mixing plate 11 and diffuses it into a water receiving plate 14 that is coaxially aligned with the connecting pipe 4. The second mixing tank 5 has a vertically arranged water stirring screw 51 that is coaxial with the connecting pipe 4. The top of the water stirring screw 51 is conical, and the outer circumferential thread of the water stirring screw 51 is in the same spiral direction as the inner wall of the connecting pipe 4. When the mixed water flows down along the connecting pipe 4, it will spiral and accelerate downward, thereby improving the efficiency of the large volume of water flowing out after mixing.

[0041] The bottom wall of the second mixing tank 5 is inclined, and a drain pipe 52 is installed on the outside of the second mixing tank 5. One end of the drain pipe 52 is connected to the lowest point inside the second mixing tank 5. The water inlet end of the drain pipe 52 is flat, and the water outlet end of the drain pipe 52 is round. The water inlet of the drain pipe 52 is horizontally connected to the bottom side of the second mixing tank 5. This allows the mixed water entering the second mixing tank 5 to flow quickly along the bottom wall of the second mixing tank 5 to the drain pipe 52 and be discharged, thereby improving the mixing efficiency.

[0042] See Figure 1 and Figure 2The mixing plate 11 is rotatably connected to the inner wall of the first mixing tank 1 via a pivot at one end. An adjusting assembly 15 is provided on the lower end face of the mixing plate 11 to adjust and position the rotation angle of the mixing plate 11. The adjusting assembly 15 includes an arc-shaped adjusting plate 151 vertically welded to the lower end face of the mixing plate 11 and inserted through the side wall of the first mixing tank 1 as the mixing plate 11 rotates, and a fixing clamp 152 fixed to the side end of the first mixing tank 1 and clamping the arc-shaped adjusting plate 151. The side end of the first mixing tank 1 has a... Multiple vertical adjustment holes 16 are provided for one end of the arc-shaped adjustment plate 151 to pass through. The fixing clamp 152 includes a support plate 1521 vertically welded to both sides of the adjustment hole 16, a clamping plate 1522 horizontally slidably connected between the two support plates 1521, and a rubber sheet 1523 bonded to one end of the two clamping plates 1522 that are close to each other. The two clamping plates 1522 are tightened with bolts to clamp and fix the arc-shaped adjustment plate 151. The arc-shaped adjustment plate 151 is provided with an adjustment scale 1511 along its length. By tightening the two clamping plates 1522, the rubber sheet 1523 between the two clamping plates 1522 clamps the arc-shaped adjusting plate 151 more firmly. At the same time, an adjustment scale 1511 is set on the arc-shaped adjusting plate 151. The angle of the internal mixing plate 11 can be judged by the scale exposed after clamping the arc-shaped adjusting plate 151, which makes it easier to adjust and thus obtain different drainage and mixing efficiencies.

[0043] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0044] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0045] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0046] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0047] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A mixing device for primary heating network in a power plant area, characterized in that: The system includes a first mixing tank (1) arranged vertically, a cold water inlet pipe (2) and a hot water inlet pipe (3) connected to the top of the first mixing tank (1), and a second mixing tank (5) connected to the bottom of the first mixing tank (1). The cold water inlet pipe (2) and the hot water inlet pipe (3) are located on opposite sides of the top of the first mixing tank (1). The interior of the first mixing tank (1) is located on the side walls near the cold water inlet pipe (2) and the hot water inlet pipe (3). Mixing plates (11) are evenly spaced along the vertical direction. The mixing plates (11) are inclined downwards. The mixing plates (11) on the left and right sides are arranged at intervals. A mixing gap (12) is formed between adjacent mixing plates (11) through which water flows. The two uppermost mixing plates (11) respectively receive the water flowing in from the cold water inlet pipe (2) and the hot water inlet pipe (3). The second mixing tank (5) receives the water mixed by the first mixing tank (1) and leads it out.

2. The mixing device for primary heating in power plant areas as described in claim 1, characterized in that: The bottom of the first mixing tank (1) is provided with a connecting pipe (4) that connects to the second mixing tank (5). The upper diameter of the connecting pipe (4) is larger than the lower diameter, and the inner wall of the connecting pipe (4) is set as a spiral that is inclined to one side.

3. The mixing device for primary heating in power plant areas as described in claim 2, characterized in that: The bottom of the first mixing tank (1) is provided with a water receiving plate (14) that receives the water flowing down from the lowest mixing plate (11) and diffuses it into a water receiving plate (14) that is coaxially aligned with the connecting pipe (4). The second mixing tank (5) is provided with a vertically arranged water stirring screw (51). The top of the water stirring screw (51) is conical. The outer circumferential thread of the water stirring screw (51) is in the same spiral direction as the inner wall of the connecting pipe (4).

4. The mixing device for primary heating in power plant areas as described in claim 3, characterized in that: The bottom wall of the second mixing tank (5) is inclined, and a drain pipe (52) is provided on the outside of the second mixing tank (5). One end of the drain pipe (52) is connected to the lowest point inside the second mixing tank (5).

5. The mixing device for primary heating in power plant areas as described in claim 4, characterized in that: The inlet end of the drain pipe (52) is flat, and the outlet end of the drain pipe (52) is round. The inlet pipe of the drain pipe (52) is horizontally connected to the bottom of the side of the second mixing tank (5).

6. The mixing device for primary heating in power plant areas as described in claim 1, characterized in that: The top wall of the first mixing tank (1) is provided with inlet nozzles (13) that are respectively connected to the cold water inlet pipe (2) and the hot water inlet pipe (3). The outlet of the inlet nozzle (13) is flat and perpendicular to the width direction of the mixing plate (11).

7. The mixing device for primary heating in power plant areas as described in claim 1, characterized in that: The mixing plate (11) is rotatably connected to the inner wall of the first mixing tank (1) on one side near the inner wall of the first mixing tank (1). The lower end face of the mixing plate (11) is provided with an adjustment component (15) for adjusting and positioning the rotation angle of the mixing plate (11).

8. The mixing device for primary heating in power plant areas as described in claim 7, characterized in that: The adjustment assembly (15) includes an arc-shaped adjustment plate (151) vertically disposed on the lower end face of the mixing plate (11) and inserted through the side wall of the first mixing tank (1) as the mixing plate (11) rotates, and a fixing clamp (152) fixed to the side end of the first mixing tank (1) and clamping and fixing the arc-shaped adjustment plate (151). The side end of the first mixing tank (1) is provided with a plurality of vertical adjustment holes (16) through which one end of the arc-shaped adjustment plate (151) passes.

9. The mixing device for primary heating in power plant areas as described in claim 8, characterized in that: The fixing clamp (152) includes a support plate (1521) vertically arranged on both sides of the adjustment hole (16), a clamping plate (1522) horizontally slidably connected between the two support plates (1521), and a rubber sheet (1523) arranged at one end of the two clamping plates (1522) close to each other. The two clamping plates (1522) are tightened with bolts to clamp and fix the arc-shaped adjustment plate (151). The arc-shaped adjustment plate (151) is provided with adjustment scale (1511) along the length direction.

Images