Novel boiler energy-saving water pump

By designing a new boiler energy-saving water pump in the boiler water supply pump group, using components such as connecting shafts, nuts, positioning sliders and sealing mechanisms, the inefficiency and leakage of the guide vane structure are solved, and higher sealing and energy-saving effects are achieved.

CN222863680UActive Publication Date: 2025-05-13DALIAN LVSHUN HONGDA CHEM EQUIP CO LTD
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Patent Information

Application Number
CN202421759907.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-05-13
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The inefficient guide vane structure of the existing boiler water supply pump group is caused by leakage problems and affecting the energy-saving effect.

Method used

The new boiler energy-saving water pump design is adopted, including the water pump installation plate, pump body shell, impeller and sealing mechanism. It realizes rapid positioning socket and mechanical sealing by connecting components such as shaft, nut, positioning slider, sealing shaft, sealing ring and inner sealing ring.

Benefits of technology

It improves the sealing of the water pump, reduces leakage, enhances the energy-saving performance of the equipment, and achieves convenient installation and disassembly.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222863680U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel boiler energy-saving water pump, and relates to the technical field of energy-saving water pumps, the novel boiler energy-saving water pump comprises a water pump mounting plate, the top of the water pump mounting plate is fixedly provided with a supporting plate, the inner side of the supporting plate is in threaded connection with a mounting bolt, and the top of the supporting plate is fixedly provided with a pump body shell; one end of the pump body shell is fixedly connected with a water pump main body, a valve port is formed in the top of the water pump main body, one end of the pump body shell is movably sleeved with a connecting pump shell, and the inner side of the connecting pump shell fixedly sleeves the outer side of the water pump main body. The connecting ring is connected to one side of the sealing ring in a sleeved mode and connected with the groove of the sealing shaft in a stepped mode, the stepped sealing connection function of the connecting position is achieved, then the inner sealing ring is tightly attached to the groove, the sealing effect is further improved, the bearing and the bearing gland are tightly assembled, the mechanical sealing function is achieved, and the service life of the bearing is prolonged. The sealing performance of the device is improved, and the energy-saving effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of energy-saving water pumps, in particular to a novel boiler energy-saving water 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. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. During the use of the boiler, a variety of matching components will be used, such as feed pumps. Feed pumps are suitable for boiler feed water, factory and city water supply. They are suitable for conveying clean water with a temperature below 110°C or other non-corrosive liquids with physical and chemical properties similar to water.

[0003] In the existing technical scheme, announcement number: CN218913179U is proposed, which is an energy-saving boiler feed water pump group, including a supporting base, a generator, a coupling, a speed regulating mechanism and a pump group structure. The generator, the coupling and the speed regulating mechanism are electrically connected to each other. The pump group structure is located at one end of the supporting base and is connected to the speed regulating mechanism. The generator, the coupling and the speed regulating mechanism are all arranged horizontally on the top of the supporting base.

[0004] In order to solve the problem that the guide vane structure provided in the existing water supply pump group is inefficient during actual use, resulting in the entire water supply pump group failing to meet the actual use requirements of energy conservation and emission reduction of equipment under the existing environment, the existing technology adopts a positive guide vane and a back guide vane structure provided with blades of unequal thickness. During the actual startup and use process, the best speed ratio can be obtained and the diffusion loss can be reduced. At the same time, the inlet and outlet area ratio of the diffusion section is treated in a reasonable manner. However, the energy-saving water pump may have poor tightness, which may cause leakage during long-term use, thereby affecting the energy saving of the water pump. Utility Model Content

[0005] The purpose of the utility model is to provide a new type of boiler energy-saving water pump to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A new type of boiler energy-saving water pump includes a water pump mounting plate, a support plate is fixedly installed on the top of the water pump mounting plate, the inner side of the support plate is threadedly connected with mounting bolts, a pump body shell is fixedly installed on the top of the support plate, one end of the pump body shell is fixedly connected to a water pump body, and a valve port is opened on the top of the water pump body.

[0008] One end of the pump body shell is movably sleeved with a connecting pump shell, the inner side of the connecting pump shell is fixedly sleeved on the outer side of the water pump body, and a mounting mechanism is arranged on the side of the connecting pump shell.

[0009] An impeller is movably mounted on one end of the water pump body close to the pump housing, and a sealing mechanism is fixedly connected to the other end of the impeller.

[0010] A further improvement of the technical solution of the utility model is that the installation mechanism includes a connecting shaft, one end of the connecting shaft extends to an end connected to the pump housing, and a nut is threadedly connected to the end of the connecting shaft close to the pump housing.

[0011] By adopting the above technical solution, the function of threaded connection is achieved through the cooperation between the connecting shaft and the nut.

[0012] A further improvement of the technical solution of the utility model is that: a sleeve hole is opened on the side of the pump body shell, and the inside of the sleeve hole is movably sleeved on the outside of the connecting shaft.

[0013] A further improvement of the technical solution of the utility model is that a positioning slide block is fixedly installed on the inner side of the pump body shell, and the outer side of the positioning slide block is movably installed on the inner side of the pump shell.

[0014] By adopting the above technical solution, the auxiliary connection function is achieved through the cooperation between the positioning slider and the connecting pump casing.

[0015] A further improvement of the technical solution of the utility model is that the sealing mechanism comprises a sealing shaft, a sealing ring is fixedly installed on the inner side of the sealing shaft, a sealing groove is opened on the outer side of the sealing ring, and a rubber gasket is fixedly installed inside the sealing groove.

[0016] By adopting the above technical solution, the sealing shaft, the sealing ring, the sealing groove and the rubber gasket cooperate with each other to achieve the function of sealing connection.

[0017] A further improvement of the technical solution of the utility model is that a sealing ring is fixedly installed on the outer side of the sealing shaft, a connecting ring is fixedly connected to the other end of the sealing shaft, a groove is opened on the inner side of the connecting ring, and an inner sealing ring is fixedly connected to the inner side of the groove.

[0018] By adopting the above technical solution, the sealing shaft, the connecting ring, the groove and the inner sealing ring cooperate with each other to achieve the function of mechanical sealing.

[0019] A further improvement of the technical solution of the utility model is that: one end of the inner sealing ring is movably connected with a bearing, and the other end of the bearing is fixedly installed with a bearing gland.

[0020] By adopting the above technical solution, the bearing and the bearing cover cooperate with each other to achieve the function of fixed installation.

[0021] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0022] 1. The utility model provides a new type of boiler energy-saving water pump, which is fixedly installed on the outside of the water pump body by connecting the pump casing, and the connecting shaft is embedded in the socket hole. At the same time, with the help of the positioning effect of the positioning slider, the pump body shell is guided to move and socket along the side of the connecting pump casing to achieve the function of rapid positioning and socketing. The connecting shaft also adopts a threaded connection method and cooperates with a nut for limited installation, which is convenient for the installation and disassembly of the device.

[0023] 2. The utility model provides a new type of boiler energy-saving water pump, which is tightly connected to the impeller through one end of the sealing shaft and docked with the pump rod at the other end. The sealing ring and the rubber gasket cooperate with each other to improve the sealing effect of the connection and the stability of the equipment in the process of transmitting water, thereby reducing leakage and improving the energy-saving performance of the equipment.

[0024] 3. The utility model provides a new type of boiler energy-saving water pump, which is connected to one side of the sealing ring through a connecting ring and forms a stepped connection with the groove of the sealing shaft to achieve a stepped sealing connection function at the connection. Then the inner sealing ring fits tightly with the groove to further improve the sealing effect. The bearing and the bearing cover are tightly assembled to achieve the function of mechanical sealing, which is beneficial to improve the sealing performance of the device and achieve energy-saving effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the pump housing structure of the utility model;

[0027] Figure 3 For this utility model Figure 2 A in the enlarged view;

[0028] Figure 4 This is a schematic diagram of the sealing shaft structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the sealing ring structure of the utility model.

[0030] In the figure: 1. water pump mounting plate; 2. water pump body; 3. pump body shell; 4. valve port; 5. support plate; 6. mounting bolts; 11. positioning slider; 12. socket hole; 21. connecting pump casing; 22. nut; 23. connecting shaft; 24. impeller; 25. rubber gasket; 26. sealing shaft; 27. bearing; 28. bearing cover; 261. sealing ring; 262. sealing groove; 263. rubber ring; 264. connecting ring; 265. groove; 266. inner sealing ring. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the embodiments:

[0032] like Figure 1-5 As shown, the utility model proposes the following technical solutions.

[0033] Example 1

[0034] The present embodiment provides a new type of boiler energy-saving water pump, including a water pump mounting plate 1, a support plate 5 is fixedly installed on the top of the water pump mounting plate 1, and a mounting bolt 6 is threadedly connected to the inner side of the support plate 5, a pump body shell 3 is fixedly installed on the top of the support plate 5, one end of the pump body shell 3 is fixedly connected to the water pump body 2, a valve port 4 is opened on the top of the water pump body 2, one end of the pump body shell 3 is movably sleeved with a connecting pump shell 21, the inner side of the connecting pump shell 21 is fixedly sleeved on the outer side of the water pump body 2, and a mounting mechanism is arranged on the side of the connecting pump shell 21, and the mounting mechanism includes a connecting shaft 23, one end of the connecting shaft 23 extends to one end of the connecting pump shell 21, and a nut 22 is threadedly connected to one end of the connecting shaft 23 near the connecting pump shell 21, and the pump body shell 3 is A socket hole 12 is opened on the side, and the inside of the socket hole 12 is movably socketed on the outside of the connecting shaft 23. A positioning slider 11 is fixedly installed on the inner side of the pump body shell 3, and the outer side of the positioning slider 11 is movably installed on the inner side of the connecting pump shell 21. It is fixedly installed on the outer side of the water pump body 2 through the connecting pump shell 21, and the connecting shaft 23 is socketed in the inside of the socket hole 12, and the positioning slider 11 is used to drive the pump body shell 3 to move toward the side of the connecting pump shell 21 to achieve the function of convenient positioning and socketing, and the connecting shaft 23 is threadedly connected to the nut 22 for limited installation, and then the support plate 5 is fixedly installed on the water pump mounting plate 1 with the mounting bolts 6, and the water pump mounting plate 1 is fixedly installed on the boiler to achieve the function of convenient installation.

[0035] Example 2

[0036] On the basis of Example 1, this embodiment provides a technical solution: preferably, an impeller 24 is movably installed at one end of the water pump body 2 close to the pump body casing 3, and a sealing mechanism is fixedly connected to the other end of the impeller 24. The sealing mechanism includes a sealing shaft 26, and a sealing ring 261 is fixedly installed on the inner side of the sealing shaft 26. A sealing groove 262 is provided on the outer side of the sealing ring 261, and a rubber gasket 25 is fixedly installed inside the sealing groove 262. One end of the impeller 24 is connected through the sealing shaft 26, and the other end is connected to the pump rod. The sealing connection between the sealing ring 261 and the rubber gasket 25 is coordinated to increase the sealing of the connection, facilitate the stable transmission of water by the device, avoid leakage, and improve the energy saving of the equipment.

[0037] Example 3

[0038] On the basis of Example 1, this embodiment provides a technical solution: preferably, a rubber ring 263 is fixedly installed on the outer side of the sealing shaft 26, and a connecting ring 264 is fixedly connected to the other end of the sealing shaft 26. A groove 265 is opened on the inner side of the connecting ring 264, and an inner sealing ring 266 is fixedly connected to the inner side of the groove 265. One end of the inner sealing ring 266 is movably connected to a bearing 27, and a bearing pressure cover 28 is fixedly installed on the other end of the bearing 27. The connecting ring 264 is sleeved on one side of the sealing ring 261, and cooperates with the groove 265 to form a stepped connection with the sealing shaft 26, thereby improving the sealing of the connection, and then the inner sealing ring 266 is fitted with the groove 265 to further improve the sealing and achieve the function of mechanical sealing, and then the bearing 27 is tightly connected to the bearing pressure cover 28, which is conducive to the sealing connection of the device, so that the device reduces leakage and achieves energy saving.

[0039] The following is a detailed description of the working principle of this new type of boiler energy-saving water pump.

[0040] like Figure 1-5 As shown, the pump housing 21 is fixedly installed on the outside of the water pump body 2, and the connecting shaft 23 is sleeved inside the sleeve hole 12, and the positioning slider 11 is used to drive the pump body shell 3 to move and sleeve to the side of the pump housing 21, so as to achieve the function of convenient positioning and sleeve, and the connecting shaft 23 is threadedly connected to the nut 22 for limited installation, and then the support plate 5 is fixedly installed on the water pump mounting plate 1 with the mounting bolts 6, and the water pump mounting plate 1 is fixedly installed on the boiler, so as to achieve the function of convenient installation, and then one end of the impeller 24 is connected through the sealing shaft 26, and the other end is connected to the pump rod, and the sealing ring is used. The sealing connection between 261 and the rubber gasket 25 increases the sealing of the connection, facilitates the stable transmission of moisture by the device, avoids leakage, and improves the energy saving of the equipment. The connecting ring 264 is sleeved on one side of the sealing ring 261, and cooperates with the groove 265 and the sealing shaft 26 to form a stepped connection, thereby improving the sealing of the connection. The inner sealing ring 266 is then fitted with the groove 265 to further improve the sealing and achieve the function of mechanical sealing. The bearing 27 is then tightly connected to the bearing cover 28, which is conducive to the sealing connection of the device, reduces leakage of the device, and achieves the effect of energy saving.

[0041] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A novel boiler energy-saving water pump, comprising a water pump mounting plate (1), characterized in that: A support plate (5) is fixedly mounted on the top of the water pump mounting plate (1), a mounting bolt (6) is threadedly connected to the inner side of the support plate (5), a pump housing (3) is fixedly mounted on the top of the support plate (5), one end of the pump housing (3) is fixedly connected to a water pump body (2), and a valve port (4) is opened on the top of the water pump body (2); One end of the pump body shell (3) is movably sleeved with a connecting pump shell (21), the inner side of the connecting pump shell (21) is fixedly sleeved on the outer side of the water pump body (2), and a mounting mechanism is provided on the side of the connecting pump shell (21); An impeller (24) is movably mounted on one end of the water pump body (2) close to the pump casing (3), and a sealing mechanism is fixedly connected to the other end of the impeller (24).

2. A new type of boiler energy-saving water pump according to claim 1, characterized in that: The mounting mechanism comprises a connecting shaft (23), one end of the connecting shaft (23) extends to one end connected to the pump housing (21), and a nut (22) is threadedly connected to one end of the connecting shaft (23) close to the pump housing (21).

3. A new type of boiler energy-saving water pump according to claim 1, characterized in that: A sleeve hole (12) is provided on the side of the pump body shell (3), and the interior of the sleeve hole (12) is movably sleeved on the outside of the connecting shaft (23).

4. A new type of boiler energy-saving water pump according to claim 1, characterized in that: A positioning slide block (11) is fixedly mounted on the inner side of the pump body outer shell (3), and the outer side of the positioning slide block (11) is movably mounted on the inner side of the pump housing (21).

5. A new type of boiler energy-saving water pump according to claim 1, characterized in that: The sealing mechanism comprises a sealing shaft (26), a sealing ring (261) is fixedly mounted on the inner side of the sealing shaft (26), a sealing groove (262) is formed on the outer side of the sealing ring (261), and a rubber gasket (25) is fixedly mounted inside the sealing groove (262).

6. A new type of boiler energy-saving water pump according to claim 5, characterized in that: A rubber ring (263) is fixedly mounted on the outer side of the sealing shaft (26); a connecting ring (264) is fixedly connected to the other end of the sealing shaft (26); a groove (265) is provided on the inner side of the connecting ring (264); and an inner sealing ring (266) is fixedly connected to the inner side of the groove (265).

7. A new type of boiler energy-saving water pump according to claim 6, characterized in that: One end of the inner sealing ring (266) is movably connected to a bearing (27), and the other end of the bearing (27) is fixedly mounted with a bearing cover (28).