Condensate pump for preventing cavitation of evaporation system

Abstract

The utility model discloses a condensate pump for preventing cavitation of an evaporation system, which comprises a support plate, a condensate pump body is mounted on the top surface of the support plate, a liquid inlet of the condensate pump body is connected with a liquid inlet pipe, a cooling piece is arranged in an inner cavity of the liquid inlet pipe, and two telescopic rods are mounted on the bottom surface of the support plate. A mounting plate is fixedly mounted at the lower ends of the two telescopic rods and provided with an adjusting assembly used for driving the supporting plate to move in the vertical direction. The adjusting assembly can adjust the height position of the condensate pump body, and condensate water in the liquid inlet pipe can be cooled by the cooling piece before entering the condensate pump body, so that the temperature of the condensate water is reduced to be lower than the vaporization temperature of the evaporation chamber under the saturation pressure, and the cavitation phenomenon of the condensate water is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of condensate pumps, in particular to a condensate pump for preventing cavitation in an evaporation system. Background Art

[0002] Condensate pumps are common equipment in industrial production and daily life. They are mainly used to extract condensate during the condensation process and recycle it. In practical applications, condensate pumps are often troubled by cavitation problems.

[0003] Cavitation is a phenomenon in which condensed water is subjected to high temperature or reduced pressure in the pump, causing some water molecules to vaporize and form bubbles. These bubbles burst rapidly when the water flows to the high-pressure area, causing impact and erosion on the pump body and impeller, seriously affecting the performance and life of the pump.

[0004] Most existing condensate pumps have taken some measures to prevent cavitation. For example, some pumps increase the inlet pressure or change the impeller design to reduce the occurrence of cavitation. However, these methods often increase the complexity and cost of the equipment and have limited effects. Therefore, we propose a condensate pump that prevents cavitation in the evaporation system. Utility Model Content

[0005] The utility model aims to provide a condensate pump for preventing cavitation in an evaporation system, so as to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a condensate pump for preventing cavitation in an evaporation system, comprising a support plate, a condensate pump body is mounted on the top surface of the support plate, a liquid inlet of the condensate pump body is connected to a liquid inlet pipe, and a cooling element is arranged in the inner cavity of the liquid inlet pipe;

[0007] Two telescopic rods are installed on the bottom surface of the support plate, and a mounting plate is fixedly installed at the lower ends of the two telescopic rods. The mounting plate is provided with an adjustment component for driving the support plate to move in a vertical direction.

[0008] Preferably, the cooling element includes a spiral cooling pipe and two cooling water pipes, the spiral cooling pipe is located in the inner cavity of the liquid inlet pipe, cooling water pipes are installed at both ends of the spiral cooling pipe, the cooling water pipe seal passes through the liquid inlet pipe, and a guide component passes through the inner side of the spiral cooling pipe.

[0009] Preferably, the guide assembly includes a blocking block and a plurality of guide plates, two support rods are installed on the outside of the blocking block, the support rods are fixedly installed in the inner cavity of the liquid inlet pipe, and the plurality of guide plates are fixedly installed on the outside of the blocking block.

[0010] Preferably, the guide plate is in the shape of a plate extending spirally along the outer side of the block.

[0011] Preferably, the adjustment assembly comprises a threaded rod, and the threaded rod is rotatably mounted on the top surface of the mounting plate.

[0012] Preferably, a knob is fixedly mounted on the top end of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The condensate pump for preventing cavitation in the evaporation system, when the switch of the condensate pump body is turned on, the condensate enters the condensate pump body from one side of the liquid inlet pipe. In this process, cold water is input and output to the spiral cooling pipe respectively through two cooling water pipes, and the heat of the condensate is absorbed by the cold water in the spiral cooling pipe, thereby cooling the condensate, so that the condensate temperature is reduced to a temperature lower than the vaporization temperature under the saturation pressure of the evaporation chamber, thereby greatly reducing the cavitation phenomenon of the condensate and prolonging the service life of the condensate pump.

[0015] 2. The condensate pump for preventing cavitation of the evaporation system is provided with a block in the inner cavity of the liquid inlet pipe, and the condensate transported in the liquid inlet pipe is guided by a guide plate, so that the condensate flows in a rotational manner during the lateral transportation process, so that the water can fully contact with the spiral cooling tube and exchange heat, thereby ensuring the cooling effect of the condensate and ensuring that the condensate temperature is uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the liquid inlet pipe of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the flow guide component of the utility model.

[0019] In the figure: 1. support plate; 2. condensate pump body; 3. liquid inlet pipe; 4. cooling water pipe; 5. spiral cooling pipe; 6. support rod; 7. blocking block; 8. guide plate; 9. telescopic rod; 10. mounting plate; 11. threaded rod; 12. knob. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figure 1-3As shown, the utility model provides a condensate pump for preventing cavitation of an evaporation system, comprising a support plate 1, a condensate pump body 2 is mounted on the top surface of the support plate 1, a liquid inlet of the condensate pump body 2 is connected to a liquid inlet pipe 3, and a cooling element is arranged in the inner cavity of the liquid inlet pipe 3;

[0023] Two telescopic rods 9 are installed on the bottom surface of the support plate 1, and a mounting plate 10 is fixedly installed at the lower ends of the two telescopic rods 9. The mounting plate 10 is provided with an adjustment component for driving the support plate 1 to move in a vertical direction.

[0024] Specifically, the adjustment component can adjust the height position of the condensate pump body 2. Before the condensate in the liquid inlet pipe 3 enters the condensate pump body 2, it will be cooled by the cooling component, thereby reducing the temperature of the condensate to a temperature lower than the vaporization temperature under the saturation pressure of the evaporation chamber, thereby greatly reducing the cavitation phenomenon of the condensate.

[0025] Wherein: the cooling part includes a spiral cooling tube 5 and two cooling water tubes 4, the spiral cooling tube 5 is located in the inner cavity of the liquid inlet tube 3, and cooling water tubes 4 are installed at both ends of the spiral cooling tube 5, the cooling water tube 4 seals and penetrates the liquid inlet tube 3, and a guide assembly is penetrated on the inner side of the spiral cooling tube 5, and the guide assembly includes a blocking block 7 and a plurality of guide plates 8, two support rods 6 are installed on the outer side of the blocking block 7, the support rods 6 are fixedly installed in the inner cavity of the liquid inlet tube 3, and a plurality of guide plates 8 are fixedly installed on the outer side of the blocking block 7, and the guide plates 8 are in the shape of sheets extending spirally along the outer side of the blocking block 7, and cold water is respectively input and output to the spiral cooling tube 5 through the two cooling water tubes 4, and the heat of the condensed water is absorbed by the cold water in the spiral cooling tube 5, thereby cooling the condensed water, and the water transported in the liquid inlet tube 3 can move along the extension direction of the guide plates 8.

[0026] Wherein: the adjustment component includes a threaded rod 11, the threaded rod 11 is rotatably installed on the top surface of the mounting plate 10, and a knob 12 is fixedly installed on the top of the threaded rod 11. Rotating the knob 12 drives the threaded rod 11 to rotate, thereby adjusting the distance between the support plate 1 and the mounting plate 10. When the mounting plate 10 is installed in a fixed position, the height position of the condensate pump body 2 can be adjusted by the knob 12.

[0027] Working principle: The utility model is a condensate pump for preventing cavitation of the evaporation system. When the switch of the condensate pump body 2 is turned on, the condensate enters the condensate pump body 2 from the side of the liquid inlet pipe 3. In this process, cold water is input and output to the spiral cooling pipe 5 through two cooling water pipes 4 respectively. The heat of the condensate is absorbed by the cold water in the spiral cooling pipe 5, thereby cooling the condensate to a temperature lower than the vaporization temperature under the saturation pressure of the evaporation chamber.

[0028] A block 7 is provided in the inner cavity of the liquid inlet pipe 3, and the guide plate 8 is used to guide the condensed water transported in the liquid inlet pipe 3, so that the condensed water rotates and flows during the lateral transport process, so that the water can fully contact with the spiral cooling pipe 5 and exchange heat, thereby ensuring the cooling effect of the condensed water and ensuring that the temperature of the condensed water is uniform before contacting the blades;

[0029] During installation, the mounting plate 10 is installed at the specified position by bolts, and the threaded rod 11 is driven to rotate by turning the knob 12, so that the support plate 1 moves upward or downward relative to the mounting plate 10, thereby adjusting the vertical height position of the condensate pump body 2, making it easy to adjust the height of the condensate pump body 2 as needed.

[0030] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A condensate pump for preventing cavitation in an evaporation system, comprising a support plate (1), characterized in that: A condensate pump body (2) is installed on the top surface of the support plate (1); a liquid inlet of the condensate pump body (2) is connected to a liquid inlet pipe (3); and a cooling element is provided in the inner cavity of the liquid inlet pipe (3); Two telescopic rods (9) are installed on the bottom surface of the support plate (1), and a mounting plate (10) is fixedly installed at the lower ends of the two telescopic rods (9), and the mounting plate (10) is provided with an adjustment component for driving the support plate (1) to move in a vertical direction; The cooling element comprises a spiral cooling pipe (5) and two cooling water pipes (4); the spiral cooling pipe (5) is located in the inner cavity of the liquid inlet pipe (3); cooling water pipes (4) are installed at both ends of the spiral cooling pipe (5); the cooling water pipe (4) seals and penetrates the liquid inlet pipe (3); and a flow guide component penetrates the inner side of the spiral cooling pipe (5).

2. A condensate pump for preventing cavitation in an evaporation system according to claim 1, characterized in that: The flow guide assembly comprises a blocking block (7) and a plurality of flow guide plates (8); two support rods (6) are installed on the outside of the blocking block (7); the support rods (6) are fixedly installed in the inner cavity of the liquid inlet pipe (3); and the plurality of flow guide plates (8) are fixedly installed on the outside of the blocking block (7).

3. A condensate pump for preventing cavitation in an evaporation system according to claim 2, characterized in that: The guide plate (8) is in the shape of a plate extending spirally along the outer side of the block (7).

4. A condensate pump for preventing cavitation in an evaporation system according to claim 1, characterized in that: The adjustment assembly comprises a threaded rod (11), and the threaded rod (11) is rotatably mounted on the top surface of the mounting plate (10).

5. A condensate pump for preventing cavitation in an evaporation system according to claim 4, characterized in that: A knob (12) is fixedly mounted on the top end of the threaded rod (11).

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