Vertical steam heat accumulator

Abstract

The utility model relates to the technical field of steam energy storage equipment, in particular to a vertical steam heat accumulator, which is characterized in that water flows around a plurality of groups of steam circulating barrels and high-pressure nozzles to form three circulating and stirring water spaces, so that the effect of uniformly heating the water is realized, the occupied area is reduced, the steam use effect is improved, and the maintenance convenience is improved. Comprising an upper seal head, a cylinder and a lower seal head, the upper seal head is mounted at the top end of the cylinder, and the lower seal head is mounted at the bottom end of the cylinder; the air outlet is communicated with the upper part of the cylinder body, the air inlet and the water inlet are respectively communicated with the lower part of the cylinder body, the multiple groups of steam circulating barrels are arranged on the inner side wall of the cylinder body, and the air inlet is communicated with the multiple groups of steam circulating barrels; the steam circulating barrel is provided with a high-pressure nozzle which is inclined upwards by 45 degrees, and the standby measuring port is arranged on the barrel body in a communicating mode.

Description

Technical Field

[0001] This utility model relates to the technical field of steam energy storage equipment, and in particular to a vertical steam accumulator. Background Technology

[0002] Currently, horizontal steam accumulators are widely used in industrial production. For example, the patent with prior art authorization announcement number CN118424021B includes a water tank, which has a main steam inlet pipe and a branch steam inlet pipe. The branch steam inlet pipe is annular, and a descaling component one for cleaning the inner wall of the branch steam inlet pipe is provided inside the branch steam inlet pipe. A driving component is also provided inside the branch steam inlet pipe, which drives the descaling component one to move inside the branch steam inlet pipe. The descaling component one includes a descaling ring, and a descaling shovel for collecting scale is provided on one side of the descaling ring. At least two nozzles are provided at the bottom end of the branch steam inlet pipe, and a second descaling component located below the nozzles is provided inside the water tank.

[0003] However, existing horizontal steam accumulators have some drawbacks:

[0004] 1. Large footprint: The horizontal structure requires a large installation space in the horizontal direction. For some factories or workshops with limited space, this is a major limiting factor that may affect the overall production layout planning.

[0005] 2. Poor steam separation effect: In a horizontal accumulator, the separation process of steam and water is relatively complex. Due to its internal structural characteristics, steam is prone to secondary mixing with water during the rising process, resulting in low steam dryness, affecting the quality of steam, and thus affecting its use in the production process.

[0006] 3. Inconvenient maintenance: Some components inside the horizontal steam accumulator, such as heating tube bundles and liquid level sensors, are difficult and costly to maintain and repair due to their horizontal placement and limited operating space. This may also lead to longer maintenance times and affect the continuity of production. Utility Model Content

[0007] To solve the above-mentioned technical problems, this utility model provides a vertical steam accumulator in which water flows around multiple sets of steam circulation tanks and high-pressure nozzles to form three circulations, agitating the water space, achieving the effect of uniform water heating, reducing the footprint, improving steam utilization efficiency, and enhancing maintenance convenience.

[0008] This utility model discloses a vertical steam accumulator, comprising an upper end cap, a cylinder, and a lower end cap. The upper end cap is installed at the top of the cylinder, and the lower end cap is installed at the bottom of the cylinder. It also includes an outlet, an inlet, a water inlet, a steam circulation tank, and a spare measuring port. The outlet is connected to the upper part of the cylinder, while the inlet and water inlet are connected to the lower part of the cylinder. Multiple steam circulation tanks are installed on the inner wall of the cylinder, and the inlet is connected to the multiple steam circulation tanks. Each steam circulation tank is equipped with a high-pressure nozzle angled upwards at 45°. The spare measuring port is connected to the cylinder. Before the accumulator starts working, softened water is injected into the cylinder through the water inlet, ensuring the uppermost water level covers the uppermost steam circulation tank. During initial heating, high-pressure steam enters the multiple steam circulation tanks through the inlet, and the high-pressure nozzles on the multiple steam circulation tanks... High-pressure steam is injected into the soft water inside the cylinder, raising the water temperature through heat exchange. Due to the action of the steam circulation tank, low-temperature water enters from the bottom of the steam circulation tank, while the heated water flows out from the top, causing the water to flow around multiple sets of steam circulation tanks and high-pressure nozzles, forming three circulations. This agitates the water space, achieving a uniform heating effect and completing the phase change from steam to water, thus completing heat storage. By connecting the steam outlet to external steam-using equipment, when the negative pressure of the steam-using equipment is higher than the rated output of the steam outlet, the pressure in the steam outlet decreases. When it drops below the saturation pressure of the heat accumulator space, the saturated water in the heat accumulator becomes superheated water, which will spontaneously flash evaporate and release heat. The secondary steam generated by the drop in water level is used to supplement the steam supply to the equipment, reducing the equipment footprint, improving steam utilization efficiency, and increasing maintenance convenience.

[0009] Preferably, it also includes a steam-water separator, which is installed inside the upper head; the steam-water separator separates water vapor, improves the dryness of the steam, and reduces the amount of water droplets carried by the steam and discharged.

[0010] Preferably, it also includes a manhole, which is connected to the upper end cap; by providing a manhole, the convenience of personnel to inspect and maintain the inside of the heat accumulator is improved.

[0011] Preferably, it also includes a drain outlet, which is connected to the lower end cap; this facilitates the periodic delivery of saturated hot water to the boiler for makeup water as needed.

[0012] Preferably, it also includes a drain outlet, which is connected to the lower end cap; by providing a drain outlet, it is convenient to periodically remove impurities from the water inside the heat accumulator, thus improving ease of use.

[0013] Preferably, it also includes a base, which is located at the bottom of the cylinder; by providing a base, the stability of the heat accumulator in use is improved.

[0014] Preferably, the upper end cap, cylinder, and lower end cap are all made of Q345R steel plate, the multiple sets of steam circulation tanks are made of 304 stainless steel, and the base is made of Q235B material; this improves the strength and corrosion resistance of the heat accumulator and extends its service life.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: Before the heat accumulator starts working, softened water is injected into the cylinder through the inlet, so that the upper end of the water level submerges the uppermost steam circulation tank. During heating, high-pressure steam enters the multiple sets of steam circulation tanks through the air inlet. The high-pressure nozzles on the multiple sets of steam circulation tanks spray high-pressure steam into the soft water inside the cylinder, raising the water temperature through heat exchange. Due to the action of the steam circulation tanks, low-temperature water enters from the bottom of the steam circulation tanks, and the heated water flows out from the top of the steam circulation tanks, so that the water circulates between the multiple sets of steam circulation tanks and the high-pressure steam. The water flows around the nozzle, forming three circulations that agitate the water space, achieving uniform heating of the water. This completes the phase change from steam to water, thus completing heat storage. By connecting the outlet to external steam-using equipment, when the negative pressure of the steam-using equipment is higher than the rated output of the outlet, the pressure in the outlet decreases. When it drops below the saturation pressure of the heat accumulator space, the saturated water in the heat accumulator becomes superheated water, which will spontaneously flash evaporate and release heat. The secondary steam generated by the drop in water level is used to supplement the steam supply to the equipment, reducing the equipment footprint, improving steam utilization efficiency, and enhancing maintenance convenience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0017] Figure 2 This is a partial isometric structural diagram of the connection between the cylinder and the upper end cap, etc.

[0018] Figure 3 This is a partial isometric structural diagram of the connection between the cylinder and the air inlet, etc.

[0019] The following are labels in the attached diagram: 1. Upper end cap; 2. Cylinder body; 3. Lower end cap; 4. Manhole; 5. Air outlet; 6. Air inlet; 7. Water inlet; 8. Drain outlet; 9. Sewage outlet; 10. Base; 11. Spare measuring port; 12. Steam-water separator; 13. Steam circulation tank. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0021] Example 1

[0022] like Figures 1 to 3As shown, a vertical steam accumulator of this utility model includes an upper end cap 1, a cylinder 2, and a lower end cap 3. The upper end cap 1 is installed at the top of the cylinder 2, and the lower end cap 3 is installed at the bottom of the cylinder 2. It also includes an air outlet 5, an air inlet 6, a water inlet 7, a steam circulation tank 13, and a spare measuring port 11. The air outlet 5 is connected to the upper part of the cylinder 2, and the air inlet 6 and the water inlet 7 are respectively connected to the lower part of the cylinder 2. Multiple sets of steam circulation tanks 13 are installed on the inner side wall of the cylinder 2, and the air inlet 6 is connected to the multiple sets of steam circulation tanks 13. The steam circulation tank 13 is provided with a high-pressure nozzle at an upward angle of 45°. The spare measuring port 11 is connected to the cylinder 2.

[0023] like Figure 2 As shown, it also includes a steam-water separator 12, which is disposed inside the upper head 1;

[0024] In this embodiment, before the heat accumulator starts working, softened water is injected into the cylinder 2 through the inlet 7, so that the upper end of the water level covers the uppermost steam circulation tank 13. During heating, high-pressure steam enters the multiple sets of steam circulation tanks 13 through the air inlet 6. The high-pressure nozzles on the multiple sets of steam circulation tanks 13 spray high-pressure steam into the soft water in the cylinder 2, raising the water temperature through heat exchange. Due to the action of the steam circulation tanks 13, low-temperature water enters from the bottom of the steam circulation tanks 13, and the heated water flows out from the top of the steam circulation tanks 13, so that the water circulates through the multiple sets of steam circulation tanks 13. The water flows around the high-pressure nozzle, forming three circulations that agitate the water space and achieve uniform heating. This completes the phase change from steam to water, thus storing heat. By connecting the outlet 5 to external steam-using equipment, when the negative pressure of the steam-using equipment is higher than the rated output of the outlet 5, the pressure in the outlet 5 decreases. When it drops below the saturation pressure of the heat accumulator space, the saturated water in the heat accumulator becomes superheated water, which will spontaneously flash evaporate and release heat. The secondary steam generated by the drop in water level is used to supplement the steam supply to the equipment, reducing the equipment footprint, improving steam utilization efficiency, and enhancing maintenance convenience.

[0025] Example 2

[0026] Based on Example 1, such as Figure 1 As shown, the vertical steam accumulator of this utility model also includes a manhole 4, which is connected to the upper end cap 1.

[0027] like Figure 1 As shown, it also includes a drain outlet 8, which is connected to the lower end cap 3;

[0028] like Figure 1 As shown, it also includes a drain outlet 9, which is connected to the lower end cap 3;

[0029] like Figure 1 As shown, it also includes a base 10, which is located at the lower part of the cylinder 2;

[0030] like Figure 1 As shown, the upper end cap 1, cylinder 2 and lower end cap 3 are all made of Q345R steel plate, the multiple sets of steam circulation tanks 13 are made of 304 stainless steel, and the base 10 is made of Q235B material.

[0031] In this embodiment, water vapor is separated by steam-water separator 12 to improve the dryness of steam and reduce the discharge of water droplets carried by steam. The manhole 4 is provided to improve the convenience of personnel to inspect and maintain the inside of the heat accumulator.

[0032] This utility model discloses a vertical steam accumulator. Before operation, softened water is injected into the cylinder 2 through the inlet 7, ensuring the uppermost water level covers the uppermost steam circulation tank 13. During heating, high-pressure steam enters the multiple sets of steam circulation tanks 13 through the inlet 6. High-pressure nozzles on the multiple sets of steam circulation tanks 13 spray high-pressure steam into the softened water inside the cylinder 2, raising the water temperature through heat exchange. Due to the action of the steam circulation tanks 13, low-temperature water enters from the lower part of the steam circulation tanks 13, and the heated water is heated through steam circulation. The water flows out from the top of the tank 13, causing the water to flow around the multiple sets of steam circulation tanks 13 and high-pressure nozzles, forming three circulations. This agitates the water space and achieves the effect of uniform heating of the water, thereby completing the phase change from steam to water and completing heat storage. By connecting the steam outlet 5 to the external steam-using equipment, when the negative pressure of the steam-using equipment is higher than the rated output of the steam outlet 5, the pressure in the steam outlet 5 decreases. When it drops below the saturation pressure of the heat accumulator space, the saturated water in the heat accumulator becomes superheated water, which will automatically flash evaporate and release heat. The secondary steam generated by the drop in water level is used to supplement the steam supply to the equipment.

[0033] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A vertical steam accumulator, comprising an upper end cap (1), a cylindrical body (2), and a lower end cap (3), wherein the upper end cap (1) is installed at the top of the cylindrical body (2), and the lower end cap (3) is installed at the bottom of the cylindrical body (2); characterized in that, It also includes an air outlet (5), an air inlet (6), a water inlet (7), a steam circulation tank (13), and a spare measuring port (11). The air outlet (5) is connected to the upper part of the cylinder (2), and the air inlet (6) and the water inlet (7) are connected to the lower part of the cylinder (2). Multiple sets of steam circulation tanks (13) are installed on the inner side wall of the cylinder (2), and the air inlet (6) is connected to multiple sets of steam circulation tanks (13). A high-pressure nozzle with an upward angle of 45° is provided on the steam circulation tank (13), and the spare measuring port (11) is connected to the cylinder (2).

2. A vertical steam accumulator as described in claim 1, characterized in that, It also includes a steam-water separator (12), which is located inside the upper head (1).

3. A vertical steam accumulator as described in claim 1, characterized in that, It also includes a manhole (4), which is connected to the upper end cap (1).

4. A vertical steam accumulator as described in claim 1, characterized in that, It also includes a drain outlet (8), which is connected to the lower end cap (3).

5. A vertical steam accumulator as described in claim 1, characterized in that, It also includes a drain outlet (9), which is connected to the lower end cap (3).

6. A vertical steam accumulator as described in claim 1, characterized in that, It also includes a base (10), which is located at the bottom of the cylinder (2).

7. A vertical steam accumulator as described in claim 1 or 6, characterized in that, The upper end cap (1), cylinder (2) and lower end cap (3) are all made of Q345R steel plate, the multiple steam circulation tanks (13) are made of 304 stainless steel, and the base (10) is made of Q235B material.

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