High-temperature-resistant pressure-reversing circulation type flow pump

Abstract

The utility model discloses a kind of high-temperature-resistant pressure reverse circulation formula process pump, it relates to reverse circulation formula process pump field, and its technical solution main point is including pump body, the liquid outlet pipe end of the pump body is equipped with the fixed pipe fixed in the side surface of pump body, fixed pipe covers in liquid outlet pipe outside, fixed pipe is fixed with telescopic pipe away from pump body end, telescopic pipe is fixed with rubber pipe away from fixed pipe end, rubber pipe side surface is equipped with recess, recess inside is fixed with tightness adjusting belt, tightness adjusting belt is equipped with winding roller away from recess end, tightness adjusting belt is wound in winding roller outside, winding roller inside is connected with driving part, reach the effect of effectively improving the connection sealing performance of reverse circulation formula process pump liquid outlet pipe place.

Description

Technical Field

[0001] This utility model relates to the technical field of reverse circulation process pumps, specifically a high-temperature and high-pressure resistant reverse circulation process pump. Background Technology

[0002] Reverse circulation canned motor pumps are widely used in the petroleum, chemical, pharmaceutical, textile, nuclear power, and urban water supply and drainage, fire-fighting pressurization, high-rise building pressurization, garden irrigation, HVAC, and other applications requiring hot and cold water circulation pressurization. They are particularly suitable for locations with high requirements for vibration and noise control, such as key projects, pump rooms, and central air conditioning systems. They can also be used to transport media that do not crystallize or solidify at pressures and temperatures, especially harmful or unsafe media and valuable media, such as highly corrosive, highly toxic, volatile, and radioactive media. Reverse circulation canned motor pumps are small in size, aesthetically pleasing, operate smoothly, are easy to install, operate without noise, have zero leakage, produce no pollution, and feature a compact integrated pump-machine structure.

[0003] The reverse circulation canned motor pump has a circulation path that is the opposite of the basic type, hence the name reverse circulation. It is suitable for conveying easily vaporized media, especially when the net positive suction head (NPSH) is small. In such cases, the circulating fluid is affected by heat from the motor and bearing friction, causing the medium temperature to rise. If the basic type is used, the circulating fluid returns to the impeller inlet, easily leading to cavitation and causing the pump to malfunction. The reverse circulation canned motor pump, with its reverse circulation design, prevents the circulating fluid from returning to the impeller inlet, allowing the medium to exit directly from the motor tail end, thus reducing the likelihood of cavitation.

[0004] However, the liquid guide pipe of the existing reverse circulation canned pump is connected by a transition flange, which results in poor sealing of the liquid guide pipe. Utility Model Content

[0005] The purpose of this invention is to provide a high-temperature and high-pressure reverse circulation process pump that effectively improves the connection sealing performance at the outlet pipe of a reverse circulation process pump.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] The pump body includes a pump body with a fixed pipe at the outlet end of the pump body that is fixed to the side of the pump body. The fixed pipe covers the outside of the outlet pipe. A telescopic pipe is fixed to the end of the fixed pipe away from the pump body. A rubber tube is fixed to the end of the telescopic pipe away from the fixed pipe. A groove is provided on the side of the rubber tube. An adjustable belt is fixed inside the groove. A take-up roller is provided at the end of the adjustable belt away from the groove. The adjustable belt is wound around the outside of the take-up roller. A drive component is connected inside the take-up roller.

[0008] Furthermore, an abutting rubber ring is fixed on the inner wall of the tubing, and the fixed position of the abutting rubber ring corresponds to the position where the groove is set.

[0009] By adopting the above technical solution, an abutting rubber ring is set inside the hose, allowing the abutting rubber ring to directly abut against the outside of the outlet pipe. Combined with the tightened hose, this effectively improves the sealing performance at the outlet pipe. Furthermore, a fixing block is fixed to the side of the pump body, and a sliding groove is provided inside the fixing block, with a sliding plate slidably connected inside the groove.

[0010] The above technical solution facilitates the position adjustment of the take-up roller.

[0011] Furthermore, the drive component includes a fixed shaft fixed inside the take-up roller, with the end of the fixed shaft away from the take-up roller fixed inside the sliding plate.

[0012] Furthermore, a rib is fixed to the side of the fixed shaft, a motor is fixed to the top of the fixed block, a sleeve is connected to the output end of the motor, the fixed shaft slides inside the sleeve, and a rib moving groove is provided on the inner wall of the sleeve for the rib to be inserted and moved.

[0013] By adopting the above technical solution, it can rotate synchronously with the sleeve, and then the fixed shaft can be rotated by driving the sleeve to rotate through the motor, while maintaining the telescopic movement with the hose.

[0014] In summary, the beneficial technical effects of this utility model are as follows:

[0015] 1. The system utilizes a rubber sheet and a tension adjustment belt. When the take-up roller rotates, the tension adjustment belt can be wound around the outside of the take-up roller. The end of the tension adjustment belt that is fixed to the groove can pull the rubber tube, causing the rubber tube to tighten near the groove end, thus fitting against the outside of the liquid outlet pipe. At the same time, an abutting rubber ring is set inside the rubber tube, which can directly abut against the outside of the liquid outlet pipe. Combined with the tightened rubber tube, the sealing performance at the liquid outlet pipe can be effectively improved.

[0016] 2. An abutting rubber ring is adopted. An abutting rubber ring is set inside the rubber tube, so that the abutting rubber ring can directly abut against the outside of the liquid outlet tube. Combined with the tightened rubber tube, the sealing performance of the liquid outlet tube can be effectively improved.

[0017] 3. An expansion joint is used, and the position of the hose can be adjusted by connecting the expansion joint, making it convenient to select the sealing position during actual operation. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of a high-temperature and high-pressure reverse circulation process pump provided by this utility model;

[0020] Figure 2 This utility model provides a high-temperature and high-pressure reverse circulation process pump. Figure 1 Enlarged diagram of point A in the middle.

[0021] In the diagram: 1. Pump body; 2. Fixed pipe; 3. Telescopic pipe; 4. Rubber hose; 5. Groove; 6. Tension adjustment belt; 7. Take-up roller; 8. Contact rubber ring; 9. Fixed block; 10. Slide groove; 11. Sliding plate; 12. Fixed shaft; 13. Rib; 14. Sleeve; 15. Motor; 16. Rib moving groove. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings.

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-2 The present invention provides a technical solution comprising: a pump body 1, wherein the pump body 1 has a fixed pipe 2 fixed to the side of the pump body 1 at the outlet pipe end, the fixed pipe 2 covering the outside of the outlet pipe, a telescopic pipe 3 fixed to the end of the fixed pipe 2 away from the pump body 1, a rubber tube 4 fixed to the end of the telescopic pipe 3 away from the fixed pipe 2, a groove 5 on the side of the rubber tube 4, an elastic adjustment belt 6 fixed inside the groove 5, a take-up roller 7 at the end of the elastic adjustment belt 6 away from the groove 5, the elastic adjustment belt 6 being wound around the outside of the take-up roller 7, and a drive component connected inside the take-up roller 7.

[0025] An abutting ring 8 is fixed on the inner wall of the tubing 4, and the fixed position of the abutting ring 8 corresponds to the position where the groove 5 is set.

[0026] The take-up roller 7 can be driven to rotate by a drive unit. When the take-up roller 7 rotates, it can drive the tension adjustment belt 6 to be wound around the outside of the take-up roller 7. In this embodiment, the tension adjustment belt 6 is made of ordinary fiber material. After it is wound up, the end of it fixed to the groove 5 can pull the rubber tube 4, so that the rubber tube 4 begins to tighten near the end of the groove 5, thereby fitting against the outside of the liquid outlet pipe. At the same time, an abutment ring 8 is provided inside the rubber tube 4, so that the abutment ring 8 can directly abut against the outside of the liquid outlet pipe. Combined with the tightened rubber tube 4, the sealing performance at the liquid outlet pipe can be effectively improved. The position of the rubber tube 4 can be adjusted by connecting it to the telescopic tube 3, which facilitates the selection of the sealing position during actual operation.

[0027] Meanwhile, a fixing block 9 is fixed on the side of the pump body 1, and a sliding groove 10 is provided inside the fixing block 9. A sliding plate 11 is slidably connected inside the sliding groove 10.

[0028] The drive unit includes a fixed shaft 12 fixed inside the take-up roller 7, with the end of the fixed shaft 12 away from the take-up roller 7 fixed inside the sliding plate 11.

[0029] A rib 13 is fixed to the side of the fixed shaft 12, and a motor 15 is fixed to the top of the fixed block 9. The output end of the motor 15 is connected to a sleeve 14. The fixed shaft 12 slides inside the sleeve 2. The inner wall of the sleeve 2 is provided with a moving groove for the rib 13, which allows the rib 13 to be inserted and moved.

[0030] Furthermore, after the aforementioned hose 4 is pulled, the fixed shaft 12 and the sliding plate 11 can move along the inside of the slide groove 10. When the fixed shaft 12 moves, the fixed shaft 12 is limited by the side rib 13 along the rib 13 moving groove on the inner wall of the sleeve 2. While keeping the fixed shaft 12 sliding, it can rotate synchronously with the sleeve 2. Then, the motor 15 can drive the sleeve 2 to rotate, thereby driving the fixed shaft 12 to rotate, and can maintain the telescopic movement with the hose 4.

[0031] The working principle of the utility model is as follows: The take-up roller 7 can be driven to rotate by the motor 15. When the take-up roller 7 rotates, the tension adjustment belt 6 can be wound around the outside of the take-up roller 7. In this embodiment, the tension adjustment belt 6 is made of ordinary fiber material. After it is wound up, the end of it that is fixed to the groove 5 can pull the rubber tube 4, so that the rubber tube 4 starts to tighten near the end of the groove 5, thereby fitting against the outside of the liquid outlet pipe. At the same time, an abutting rubber ring 8 is set inside the rubber tube 4, so that the abutting rubber ring 8 can directly abut against the outside of the liquid outlet pipe. Combined with the tightened rubber tube 4, the sealing performance at the liquid outlet pipe can be effectively improved.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high-temperature, high-pressure reverse circulation process pump, characterized in that, The pump body (1) is provided with a fixed pipe (2) fixed to the side of the pump body (1) at the outlet pipe end. The fixed pipe (2) covers the outside of the outlet pipe. A telescopic pipe (3) is fixed to the end of the fixed pipe (2) away from the pump body (1). A rubber tube (4) is fixed to the end of the telescopic pipe (3) away from the fixed pipe (2). A groove (5) is provided on the side of the rubber tube (4). An elastic adjustment belt (6) is fixed inside the groove (5). A take-up roller (7) is provided at the end of the elastic adjustment belt (6) away from the groove (5). The elastic adjustment belt (6) is wound around the outside of the take-up roller (7). A drive component is connected inside the take-up roller (7).

2. The high-temperature and high-pressure reverse circulation process pump according to claim 1, characterized in that, An abutting ring (8) is fixed on the inner wall of the tube (4), and the fixed position of the abutting ring (8) corresponds to the position where the groove (5) is set.

3. The high-temperature and high-pressure reverse circulation process pump according to claim 1, characterized in that, The pump body (1) has a fixed block (9) on its side, and a sliding groove (10) is provided inside the fixed block (9). A sliding plate (11) is slidably connected inside the sliding groove (10).

4. The high-temperature and high-pressure reverse circulation process pump according to claim 3, characterized in that, The drive unit includes a fixed shaft (12) fixed inside the take-up roller (7), with the end of the fixed shaft (12) away from the take-up roller (7) fixed inside the sliding plate (11).

5. A high-temperature and high-pressure reverse circulation process pump according to claim 4, characterized in that, The fixed shaft (12) has a rib (13) fixed on its side, and a motor (15) is fixed on the top of the fixed block (9). The output end of the motor (15) is connected to a sleeve (14). The fixed shaft (12) slides inside the sleeve (14). The inner wall of the sleeve (14) is provided with a rib (13) moving groove, which allows the rib (13) to be inserted and moved.

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