High-temperature screw type water source heat pump unit with waste water waste heat recovery function

Abstract

The utility model relates to the technical field of screw type water source heat pump units, in particular to a high-temperature screw type water source heat pump unit with waste water waste heat recovery, which comprises a pipeline and a heat pump unit body arranged on the pipeline, a filter part is arranged on the pipeline, filter plates which are uniformly distributed are arranged in the filter part, and the heat pump unit body is arranged on the pipeline. A rotating rod is rotationally arranged on the filter plates jointly, rotating blades are fixedly installed at the end, close to a pipe opening of the pipeline, of the rotating rod, scraping strips which are evenly distributed are fixedly installed on the rotating rod, the number of the scraping strips is the same as that of the filter plates, the scraping strips are attached to the surfaces of the filter plates respectively, and a collecting piece is arranged at the bottom of the filter part. According to the high-temperature screw type water source heat pump unit with the waste water waste heat recovery function, waste water can be pretreated, impurities and harmful substances in the waste water can be effectively removed, stable operation of a heat recovery system is guaranteed, the structure is simple, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of screw-type water source heat pump units, and in particular relates to a high-temperature screw-type water source heat pump unit with waste water waste heat recovery. Background Art

[0002] The screw water source heat pump unit is an efficient, energy-saving and environmentally friendly air-conditioning system. It mainly uses natural water bodies such as groundwater, surface water or lake water as cold and heat sources. Through the work of the screw compressor, the low-temperature thermal energy in the water body is increased for heating, cooling and hot water supply. The working principle of the unit is to take low-temperature cold water from the water source and send the cold water into the screw heat exchanger through a water pump. Under the action of the screw compressor, the low-temperature cold water is compressed into high-temperature and high-pressure working fluid steam, and then heat is exchanged with the water to be heated through the condenser to achieve heat energy transfer. In this way, the unit can provide stable and efficient heat energy supply according to user needs.

[0003] The existing high-temperature screw water source heat pump unit with wastewater waste heat recovery plays an important role in the fields of energy conservation and environmental protection. However, impurities and harmful substances in the wastewater pose a threat to the stable operation of the heat recovery system. These substances may clog the heat exchanger, reduce the heat recovery efficiency, and even damage the unit equipment, resulting in system shutdown or performance degradation. Improvements are needed. To this end, a high-temperature screw water source heat pump unit with wastewater waste heat recovery is proposed. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a high-temperature screw water source heat pump unit with waste water waste heat recovery, which can pre-treat waste water and ensure the stable operation of the heat recovery system.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-temperature screw-type water source heat pump unit with waste water waste heat recovery, comprising a pipeline and a heat pump unit body arranged on the pipeline, the pipeline is provided with a filter part, the filter part is provided with evenly distributed filter plates, the filter plates are provided with rotating rods for rotating together, the rotating rods are fixedly provided with rotating blades at one end near the pipe mouth of the pipeline, the rotating rods are fixedly provided with evenly distributed scraping strips, the number of groups of scraping strips is the same as the number of groups of filter plates, and the scraping strips are respectively in contact with the surface of the filter plates, and a collecting piece is provided at the bottom of the filter part.

[0006] Preferably, it is characterized in that the collecting member includes openings evenly distributed on the bottom surface of the filter portion, a collecting box arranged at the bottom of the filter portion, and baffles evenly distributed and fixedly installed in the collecting box, the number of groups of openings and baffles is the same as the number of groups of scraper strips, the openings are opposite to the scraper strips, and the baffles are located on the sides of the openings.

[0007] Preferably, a cover plate is provided on the bottom surface of the collection box, and a handle is fixedly mounted on the bottom surface of the cover plate.

[0008] Preferably, the filter portion is provided in two sections, and the filter plate is provided on one section of the filter portion.

[0009] Preferably, an electric push rod is fixedly installed above the pipeline, and the end of the output shaft of the electric push rod is fixedly installed with the top surface of the filter part at one end.

[0010] Preferably, a rubber strip is laid on one side of the scraper strip close to the filter plate, and the rubber strip is in contact with the surface of the filter plate.

[0011] In summary, compared with the prior art, the beneficial effects of the utility model are: by setting the cooperation between the pipeline, the heat pump unit body, the filter part, the filter plate, the rotating rod, the rotating blades, the scraper and the collecting part, the wastewater can be pre-treated, the impurities and harmful substances in the wastewater can be effectively removed, and the stable operation of the heat recovery system can be ensured. The structure is simple and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0013] Figure 2 This is a structural diagram of the filter unit of the utility model;

[0014] Figure 3 This is a structural diagram of the filter plate, rotating blades and scraper strips of the utility model;

[0015] Figure 4 This is a structural diagram of the collection component of the utility model;

[0016] Figure 5 It is a side cross-sectional structural diagram of the collection box of the present utility model.

[0017] Legend:

[0018] 1. Pipeline; 2. Heat pump unit body; 3. Filter part; 4. Filter plate; 5. Rotating rod; 6. Rotating blade; 7. Scraper; 8. Collecting piece; 81. Opening; 82. Collecting box; 83. Baffle; 9. Cover plate; 10. Electric push rod. DETAILED DESCRIPTION

[0019] 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 of 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.

[0020] See also Figure 1-5 , the utility model provides a technical solution:

[0021] A high-temperature screw water source heat pump unit with waste heat recovery includes a pipeline 1 and a heat pump unit body 2 arranged on the pipeline 1, the pipeline 1 is provided with a filter portion 3, the filter portion 3 is provided with evenly distributed filter plates 4, the filter plates 4 are provided with rotating rods 5 for common rotation, the rotating rod 5 is fixedly provided with rotating blades 6 at one end of the pipeline 1, the rotating rod 5 is fixedly provided with evenly distributed scraping strips 7, the number of groups of the scraping strips 7 is the same as the number of groups of the filter plates 4, and the scraping strips 7 are respectively in contact with the surface of the filter plates 4, and a collecting piece 8 is provided at the bottom of the filter portion 3.

[0022] The filter part 3 is arranged on the pipeline 1, and evenly distributed filter plates 4 are installed inside. When the wastewater flows through the pipeline 1, the impurities and harmful substances in the wastewater will be blocked by the filter plates 4, thereby achieving preliminary filtration, which can effectively prevent impurities from entering the heat pump unit body 2 and protect the safe operation of the unit;

[0023] A rotating blade 6 is fixedly installed at one end of the rotating rod 5 close to the water inlet of the pipe 1. When the wastewater flows, the rotating blade 6 is driven to rotate, thereby driving the rotating rod 5 to rotate. The scraper bar 7 fixedly installed on the rotating rod 5 moves with the rotation of the rotating rod 5. The scraper bar 7 fits the surface of the filter plate 4 and can scrape off impurities and harmful substances attached to the filter plate 4, thereby realizing automatic cleaning of the filter plate 4 and ensuring the continuous and stable filtering effect.

[0024] The collecting member 8 can collect the scraped impurities and harmful substances;

[0025] The high-temperature screw water source heat pump unit with wastewater waste heat recovery can pre-treat wastewater, effectively remove impurities and harmful substances in the wastewater, ensure the stable operation of the heat recovery system, and has a simple structure and strong practicality.

[0026] The collecting member 8 includes openings 81 evenly distributed on the bottom surface of the filter portion 3, a collecting box 82 arranged at the bottom of the filter portion 3, and baffles 83 evenly distributed and fixedly installed in the collecting box 82. The number of groups of the openings 81 and the baffles 83 is the same as the number of groups of the scraper strips 7. The openings 81 are directly opposite to the scraper strips 7. The baffles 83 are located at the side of the openings 81. The bottom surface of the collecting box 82 is provided with a cover plate 9, and a handle is fixedly installed on the bottom surface of the cover plate 9.

[0027] The impurities and harmful substances scraped by the scraper 7 enter the collection box 82 through the opening 81. The setting of the baffle 83 can prevent the impurities from flowing through the collection box 82. The baffle 83 guides the impurities to fall into different areas of the collection box 82, which is convenient for subsequent cleaning and processing. The cover 9 at the bottom of the collection box 82 can be opened by the handle to facilitate the cleaning of the collected impurities.

[0028] The filter part 3 is provided in two sections, the filter plate 4 is provided on one section of the filter part 3, an electric push rod 10 is fixedly installed above the pipeline 1, and the output shaft end of the electric push rod 10 is fixedly installed with the top surface of the filter part 3 at one end;

[0029] The electric push rod 10 can be extended and retracted as needed, thereby driving the filter part 3 to move up and down. This design can facilitate the installation, disassembly, cleaning and maintenance of the filter part 3, thereby improving the maintainability and ease of use of the unit.

[0030] A rubber strip is laid on one side of the scraper strip 7 close to the filter plate 4, and the rubber strip is in contact with the surface of the filter plate 4;

[0031] Laying the rubber strip on the scraper bar 7 can not only improve the cleaning effect on the filter plate 4, but also play a buffering role, reduce the wear of the scraper bar 7 on the filter plate 4, and extend the service life of the filter plate 4.

[0032] Working principle:

[0033] The filter part 3 is arranged on the pipeline 1, and evenly distributed filter plates 4 are installed inside. When the wastewater flows through the pipeline 1, the impurities and harmful substances in the wastewater will be blocked by the filter plates 4, thereby achieving preliminary filtration, which can effectively prevent impurities from entering the heat pump unit body 2 and protect the safe operation of the unit;

[0034] A rotating blade 6 is fixedly installed at one end of the rotating rod 5 close to the water inlet of the pipe 1. When the wastewater flows, the rotating blade 6 is driven to rotate, thereby driving the rotating rod 5 to rotate. The scraper bar 7 fixedly installed on the rotating rod 5 moves with the rotation of the rotating rod 5. The scraper bar 7 fits the surface of the filter plate 4 and can scrape off impurities and harmful substances attached to the filter plate 4, thereby realizing automatic cleaning of the filter plate 4 and ensuring the continuous and stable filtering effect.

[0035] The collecting member 8 can collect the scraped impurities and harmful substances;

[0036] The high-temperature screw water source heat pump unit with wastewater waste heat recovery can pre-treat wastewater, effectively remove impurities and harmful substances in wastewater, ensure the stable operation of the heat recovery system, and has a simple structure and strong practicality.

[0037] The impurities and harmful substances scraped by the scraper 7 enter the collection box 82 through the opening 81. The baffle 83 can prevent the impurities from flowing through the collection box 82. The baffle 83 guides the impurities to fall into different areas of the collection box 82, which is convenient for subsequent cleaning and treatment. The cover 9 at the bottom of the collection box 82 can be opened by a handle to facilitate cleaning of the collected impurities.

[0038] The electric push rod 10 can be extended and retracted as needed, thereby driving the filter part 3 to move up and down. This design can facilitate the installation, disassembly, cleaning and maintenance of the filter part 3, thereby improving the maintainability and convenience of the unit.

[0039] Laying the rubber strip on the scraper bar 7 can not only improve the cleaning effect on the filter plate 4, but also play a buffering role, reduce the wear of the scraper bar 7 on the filter plate 4, and extend the service life of the filter plate 4.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-temperature screw water source heat pump unit with waste water waste heat recovery, comprising a pipeline (1) and a heat pump unit body (2) arranged on the pipeline (1), characterized in that: The pipeline (1) is provided with a filter portion (3), the filter portion (3) is provided with evenly distributed filter plates (4), the filter plates (4) are provided with a rotating rod (5) for co-rotation, a rotating blade (6) is fixedly mounted on one end of the rotating rod (5) close to the pipe mouth of the pipeline (1), evenly distributed scraping strips (7) are fixedly mounted on the rotating rod (5), the number of groups of the scraping strips (7) being the same as the number of groups of the filter plates (4), and the scraping strips (7) are respectively in contact with the surface of the filter plates (4), and a collecting member (8) is provided at the bottom of the filter portion (3).

2. A high-temperature screw water source heat pump unit with wastewater waste heat recovery according to claim 1, characterized in that: The collecting member (8) comprises openings (81) evenly distributed on the bottom surface of the filter portion (3), a collecting box (82) arranged at the bottom of the filter portion (3), and baffles (83) evenly distributed and fixedly mounted in the collecting box (82); the number of groups of the openings (81) and the baffles (83) is the same as the number of groups of the scraper strips (7); the openings (81) are directly opposite to the scraper strips (7), and the baffles (83) are located on the side of the openings (81).

3. A high-temperature screw water source heat pump unit with waste water waste heat recovery according to claim 2, characterized in that: The bottom surface of the collection box (82) is provided with a cover plate (9), and the bottom surface of the cover plate (9) is fixedly mounted with a handle.

4. A high-temperature screw water source heat pump unit with wastewater waste heat recovery according to claim 1, characterized in that: The filter portion (3) is arranged in two sections, and the filter plate (4) is arranged on one section of the filter portion (3).

5. A high-temperature screw water source heat pump unit with wastewater waste heat recovery according to claim 1, characterized in that: An electric push rod (10) is fixedly mounted above the pipeline (1), and an output shaft end of the electric push rod (10) is fixedly mounted to a top surface of the filter portion (3) at one end.

6. A high-temperature screw water source heat pump unit with waste water waste heat recovery according to claim 1, characterized in that: A rubber strip is laid on one side of the scraper strip (7) close to the filter plate (4), and the rubber strip is in contact with the surface of the filter plate (4).

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