Flow passage component for circulating pump

Abstract

The utility model discloses a flow passage component used on a circulating pump. The flow passage component comprises a flow passage tank, the top of the flow passage tank is connected with a screening cylinder in a sliding and penetrating mode, a partition plate is fixedly connected in the screening cylinder, a plurality of coarse screening holes are formed in the partition plate, a plurality of fine screening holes are formed in the outer wall of the screening cylinder, and a cutting mechanism is arranged in the screening cylinder. The cutting mechanism comprises a fixed seat connected to the top of the screening barrel in a penetrating mode, a servo motor is fixedly connected into the fixed seat, and an output shaft of the servo motor is fixedly connected with a rotating shaft. According to the flow passage component used on the circulating pump, impurities in water flow can be doubly filtered through the arranged coarse screen holes and fine screen holes, the coarse screen holes can block large-size impurity particles, a cutter can cut and smash the large-size impurity particles, the large-size impurity particles pass through the coarse screen holes, and the impurity particles are blocked by the fine screen holes and prevented from entering the circulating pump; the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler circulating pumps, in particular to a flow component used on a circulating pump. Background Art

[0002] A boiler is an energy conversion device. The energy input to the boiler includes chemical energy and electrical energy in the fuel, and the boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. The circulating pump used inside it can drive the hot water in the heating pipe to circulate. There are many parts on the circulating pump, including the flow-through parts for the circulating pump.

[0003] The publication number CN218563977U discloses a flow component for a circulation pump, including a base, a flow component body fixedly installed on the top of the base, the flow component body including a water outlet pipe, a box body fixedly installed on one side of the flow component body, a round roller evenly and movably connected inside the box body, and a blade for crushing impurities in the water evenly and fixedly installed on the surface of the round roller. The flow component for the circulation pump, before the water flows into the flow component, the worm gear and the worm are meshed to make the worm gear drive the two round rollers to rotate, and the blades on the surface of the round roller crush the impurities in the water, and then filter the impurities on the surface of the filter plate, which solves the problem that the flow component of the previous circulation pump does not process the impurities in the water, resulting in the impurities blocking the impeller, and achieves the beneficial effect of improving the performance of the impeller and extending the service life of the circulation pump.

[0004] However, the flow component has the following shortcomings: when in use, the device can cut and crush impurities in the water flow through the blade, but it is often only able to perform single-stage filtration on the cut impurities, resulting in the impurities being crushed into fine particles during continuous operation so that they can pass through the filter plate, causing some impurity particles to be adsorbed on the circulation pump, which is prone to serious internal corrosion after long-term use, affecting the service life.

[0005] Therefore, the utility model provides a flow component for a circulating pump to solve the above-mentioned problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a flow-through component for a circulating pump, which solves the above-mentioned problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a flow component for a circulation pump, comprising a flow tank, a screening cylinder is slidably inserted and connected to the top of the flow tank, a partition is fixedly connected inside the screening cylinder, a plurality of coarse screen holes are opened on the partition, a plurality of fine screen holes are opened on the outer wall of the screening cylinder, and a cutting mechanism is arranged inside the screening cylinder;

[0008] The cutting mechanism includes a fixed seat connected to the top of the screening cylinder, a servo motor is fixedly connected to the fixed seat, an output shaft of the servo motor is fixedly connected to a rotating shaft, the bottom end of the rotating shaft rotates and extends into the screening cylinder, the rotating shaft rotates and penetrates the partition, and a plurality of cutting knives are fixedly sleeved on the rotating shaft.

[0009] Preferably, the outer wall of the rotating shaft is fixedly connected to two symmetrically distributed support frames, and the bottoms of the two support frames are fixedly connected to elastic scrapers, and the bottoms of the elastic scrapers are in contact with the top of the partition. The top of the partition can be easily wiped by using the support frames and elastic scrapers in combination to prevent foreign particles from clogging the coarse screen holes.

[0010] Preferably, the outer wall fixed sleeve of the rotating shaft is provided with a plurality of first scrapers, and the bottom end of the rotating shaft is fixedly connected with a second scraper, and the first scraper and the second scraper are used in combination to wipe the inner wall of the flow tank to prevent the accumulation of impurity particles and clogging of the fine sieve holes.

[0011] Preferably, a water inlet pipe is fixedly connected to the outer wall of the screening cylinder, the water inlet pipe is communicated with the inside of the screening cylinder, and a first connecting flange is fixedly sleeved on the outer wall of the water inlet pipe. The water inlet pipe and the first connecting flange can be used together to facilitate connection with the boiler pipeline.

[0012] Preferably, a water outlet pipe is fixedly connected to the bottom of the flow tank, and the water outlet pipe is communicated with the inside of the flow tank. A second connecting flange is fixedly sleeved on the outer wall of the water outlet pipe, and the water outlet pipe and the second connecting flange can be used together to facilitate connection with the boiler pipeline.

[0013] Preferably, the outer wall fixing sleeve of the screening cylinder is provided with a disassembly and assembly plate, and the top end of the flow tank is fixedly connected with multiple fastening bolts, and the top ends of the fastening bolts slide through the disassembly and assembly plate, and multiple disassembly and assembly plates are all threadedly sleeved with fixing nuts. The screening cylinder can be firmly fixed to the flow tank by using the disassembly and assembly plate, the fastening bolts and the fixing nuts in combination, and the disassembly and assembly method is simple, which is convenient for cleaning the interior later.

[0014] Preferably, the outer wall fixing sleeve of the flow tank is provided with two mounting sleeves, and the outer walls of the two mounting sleeves are fixedly connected with the same connecting bracket. By using the mounting sleeves and the connecting bracket in combination, the flow tank can be conveniently fixed to facilitate its stable operation.

[0015] Beneficial Effects

[0016] The utility model provides a flow-through component for a circulating pump. Compared with the prior art, it has the following advantages:

[0017] Beneficial effects:

[0018] (1) The circulating pump uses a flow component, which can double filter the impurities in the water flow by setting coarse sieve holes and fine sieve holes. The coarse sieve holes can block large-volume impurity particles, so that the cutter can cut and crush them and pass them through the coarse sieve holes. At this time, the impurity particles are blocked by the fine sieve holes to prevent them from entering the circulating pump, thereby increasing its service life.

[0019] (2) The circulation pump uses a flow component, and the elastic scraper can squeeze the impurity particles accumulated on the top of the partition to prevent them from clogging the coarse sieve holes after accumulation. At the same time, the first scraper and the second scraper can be used together to wipe the fine sieve holes to prevent them from being blocked, thereby improving the circulation efficiency of the water flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the relevant structure of the screening cylinder in the utility model;

[0023] Figure 4 It is an assembly diagram of the partition plate and the coarse screen hole in the utility model;

[0024] Figure 5 It is a schematic diagram of the relevant installation structure of the rotating shaft in the utility model.

[0025] In the figure: 1. flow tank; 2. screening cylinder; 3. partition; 4. coarse screen hole; 5. fine screen hole; 6. fixing seat; 7. servo motor; 8. rotating shaft; 9. cutter; 10. support frame; 11. elastic scraper; 12. first scraper; 13. second scraper; 14. water inlet pipe; 15. first connecting flange; 16. water outlet pipe; 17. second connecting flange; 18. disassembly and assembly plate; 19. fastening bolts; 20. fixing nuts; 21. mounting sleeve; 22. connecting bracket. DETAILED DESCRIPTION

[0026] 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.

[0027] Embodiment 1:

[0028] See also Figures 1 to 5A flow component for a circulating pump includes a flow tank 1, a screening cylinder 2 is slidably inserted and connected to the top of the flow tank 1, a partition 3 is fixedly connected inside the screening cylinder 2, a plurality of coarse screen holes 4 are formed on the partition 3, a plurality of fine screen holes 5 are formed on the outer wall of the screening cylinder 2, the mesh of the fine screen holes 5 is smaller than that of the coarse screen holes 4, and a cutting mechanism is arranged inside the screening cylinder 2;

[0029] The cutting mechanism includes a fixed seat 6 which is connected through the top of the screening cylinder 2, a servo motor 7 is fixedly connected inside the fixed seat 6, a rotating shaft 8 is fixedly connected to the output shaft of the servo motor 7, the bottom end of the rotating shaft 8 rotates and extends into the screening cylinder 2, the rotating shaft 8 rotates and passes through the partition 3, and a plurality of cutters 9 are fixedly sleeved on the rotating shaft 8.

[0030] Embodiment 2:

[0031] See also Figures 1 to 5 This embodiment provides a technical solution based on the first embodiment: the outer wall of the rotating shaft 8 is fixedly connected with two symmetrically distributed support frames 10, and the bottoms of the two support frames 10 are fixedly connected with elastic scraper strips 11, and the bottoms of the elastic scraper strips 11 are in contact with the top of the partition 3; the outer wall of the rotating shaft 8 is fixedly sleeved with a plurality of first scrapers 12, and the bottom end of the rotating shaft 8 is fixedly connected with a second scraper 13; the outer wall of the screening drum 2 is fixedly connected with a water inlet pipe 14, and the water inlet pipe 14 is connected to the inside of the screening drum 2, and the outer wall of the water inlet pipe 14 is fixedly sleeved with a first connection method The bottom of the flow tank 1 is fixedly connected with a water outlet pipe 16, which is communicated with the inside of the flow tank 1, and the outer wall fixed sleeve of the water outlet pipe 16 is provided with a second connecting flange 17; the outer wall fixed sleeve of the screening cylinder 2 is provided with a disassembly disk 18, and the top of the flow tank 1 is fixedly connected with a plurality of fastening bolts 19, and the top of the fastening bolts 19 slides through the disassembly disk 18, and the plurality of disassembly disks 18 are all threadedly provided with fixing nuts 20; the outer wall fixed sleeve of the flow tank 1 is provided with two mounting sleeves 21, and the outer walls of the two mounting sleeves 21 are fixedly connected with the same connecting bracket 22.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Working principle: When in use, the water inlet pipe 14 is connected to the boiler pipe through the first connecting flange 15, and the water outlet pipe 16 is connected to the boiler pipe through the second connecting flange 17. When the circulating pump water flow is started, the servo motor 7 can be started, and the servo motor 7 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the cutter 9, the support frame 10, the elastic scraper 11 and the first scraper 12 to rotate. When large-volume impurities in the water flow enter the screening cylinder 2, they will be blocked by the partition 3. At this time, the high-speed rotating cutter 9 will crush them and make them pass through the coarse screen hole 4, and then enter the bottom of the partition 3. The impurities are blocked by the fine screen hole 5 to complete the filtration. When the screening cylinder 2 needs to be cleaned, just unscrew the fixing nut 20 from the fastening bolt 19, and then pull the screening cylinder 2 out of the flow tank 1 for cleaning. If installation is required, the reverse operation can be performed.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flow component for a circulating pump, comprising a flow tank (1), characterized in that: A screening cylinder (2) is slidably inserted and connected to the top of the flow tank (1), a partition (3) is fixedly connected inside the screening cylinder (2), a plurality of coarse screen holes (4) are provided on the partition (3), a plurality of fine screen holes (5) are provided on the outer wall of the screening cylinder (2), and a cutting mechanism is provided inside the screening cylinder (2); The cutting mechanism comprises a fixed seat (6) which is connected to the top of the screening cylinder (2); a servo motor (7) is fixedly connected to the fixed seat (6); an output shaft of the servo motor (7) is fixedly connected to a rotating shaft (8); the bottom end of the rotating shaft (8) rotates and extends into the screening cylinder (2); the rotating shaft (8) rotates and passes through the partition (3); and a plurality of cutting knives (9) are fixedly sleeved on the rotating shaft (8).

2. The flow component for a circulating pump according to claim 1, characterized in that: Two symmetrically distributed support frames (10) are fixedly connected to the outer wall of the rotating shaft (8), and elastic scraper strips (11) are fixedly connected to the bottoms of the two support frames (10), and the bottoms of the elastic scraper strips (11) are in contact with the top of the partition (3).

3. The flow component for a circulating pump according to claim 1, characterized in that: A plurality of first scrapers (12) are fixedly sleeved on the outer wall of the rotating shaft (8), and a second scraper (13) is fixedly connected to the bottom end of the rotating shaft (8).

4. The flow component for a circulating pump according to claim 1, characterized in that: The outer wall of the screening cylinder (2) is fixedly connected with a water inlet pipe (14), the water inlet pipe (14) is communicated with the interior of the screening cylinder (2), and the outer wall of the water inlet pipe (14) is fixedly sleeved with a first connecting flange (15).

5. The flow component for a circulating pump according to claim 1, characterized in that: The bottom of the flow tank (1) is fixedly connected with a water outlet pipe (16), the water outlet pipe (16) is connected with the inside of the flow tank (1), and the outer wall of the water outlet pipe (16) is fixedly sleeved with a second connecting flange (17).

6. The flow component for a circulating pump according to claim 1, characterized in that: The outer wall of the screening cylinder (2) is fixedly sleeved with a disassembly plate (18), and the top of the flow tank (1) is fixedly connected with a plurality of fastening bolts (19), the tops of the fastening bolts (19) slide through the disassembly plate (18), and the plurality of disassembly plates (18) are all threadedly sleeved with fixing nuts (20).

7. The flow component for a circulating pump according to claim 1, characterized in that: The outer wall fixing sleeve of the flow tank (1) is provided with two mounting sleeves (21), and the outer walls of the two mounting sleeves (21) are fixedly connected to the same connecting bracket (22).

Images