Horizontal centrifugal pump for conveying high-temperature medium

Abstract

The utility model relates to the technical field of horizontal centrifugal pumps, and discloses a horizontal centrifugal pump for conveying high-temperature media, which comprises a horizontal centrifugal pump body and a pump support, the horizontal centrifugal pump body is arranged above the pump support, the front side and the rear side between the horizontal centrifugal pump body and the pump support are respectively provided with a matched heat insulation gasket I, and the heat insulation gaskets I are arranged on the front side and the rear side between the horizontal centrifugal pump body and the pump support. A mounting bolt penetrates through the horizontal centrifugal pump body and is in threaded connection with the horizontal centrifugal pump body, and a threaded hole matched with the mounting bolt is formed in the top of the pump support. According to the horizontal centrifugal pump, the first heat insulation gasket is arranged between the horizontal centrifugal pump body and the pump support, heat of high-temperature media conveyed by the horizontal centrifugal pump body is prevented from being transmitted to the pump support, expansion of the pump support caused by heating is prevented, and therefore stability of the center line of the pump is guaranteed, a complex cooling water pipeline system is not needed, and the service life of the horizontal centrifugal pump is prolonged. And the first rubber inserting piece and the second rubber inserting piece are inserted into the first inserting groove and the second inserting groove, positioning is provided for installation of the first heat insulation gasket, and the installation accuracy is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of horizontal centrifugal pumps, in particular to a horizontal centrifugal pump for transporting high-temperature media. Background Technique

[0002] The horizontal centrifugal pump is designed based on the principle of centrifugal force. The high-speed rotating impeller blades drive the water to rotate and throw the water out, so as to achieve the purpose of transportation. There are many types of horizontal centrifugal pumps. From the perspective of use, they can be divided into civil and industrial pumps. From the perspective of transported media, they can be divided into clean water pumps, impurity pumps, corrosion-resistant pumps, etc.

[0003] In the patent document with the publication number of CN208858590U that has been published, a horizontal centrifugal pump is disclosed. This published patent document makes the protective shell of the horizontal centrifugal pump achieve the effect of being easy to disassemble; however, when the above-mentioned published patent document transports high-temperature media, cooling water is usually introduced at the pump support to curb the expansion of the pump support due to heat, so as to ensure the stability of the pump center line, and a complex cooling water pipeline system needs to be equipped. Content of the Utility Model

[0004] The purpose of the utility model is to provide a horizontal centrifugal pump for transporting high-temperature media, and solve the problems put forward in the background technique.

[0005] The embodiment of the present application provides a horizontal centrifugal pump for transporting high-temperature media, including a horizontal centrifugal pump body and a pump support. The horizontal centrifugal pump body is arranged above the pump support. Heat insulation gaskets I that match each other are arranged on the front and back sides between the horizontal centrifugal pump body and the pump support. The horizontal centrifugal pump body is penetrated and threadedly connected with installation bolts. Threaded holes that match the installation bolts are opened at the top of the pump support. The lower end of the threaded hole passes through the heat insulation gasket I and is inside the installation bolt. Two slots I are opened at the bottom of the front and back sides of the horizontal centrifugal pump body, and two slots II are opened at the top of the front and back sides of the pump support. Rubber plugs I that match the slots I are fixedly connected to the front and back sides of the top of the heat insulation gasket I, and rubber plugs II that match the slots II are fixedly connected to the front and back sides of the bottom of the heat insulation gasket I. The rubber plug I is inside the slot I, and the rubber plug II is inside the slot II.

[0006] By adopting the above technical solution, the heat insulation gasket I arranged between the horizontal centrifugal pump body and the pump support blocks the transfer of the heat of the high-temperature medium transported by the horizontal centrifugal pump body to the pump support, and the rubber plug I, rubber plug II, slot I and slot II provide positioning for the installation of the heat insulation gasket I to ensure the accuracy of the installation.

[0007] Optionally, a matching pump cover is provided on one side of the horizontal centrifugal pump body. A matching mechanical seal box is provided on the side of the pump cover away from the horizontal centrifugal pump body. A matching heat insulation gasket II is provided between the pump cover and the mechanical seal box. A number of fixing bolts penetrate through and are threadedly connected to the mechanical seal box. The pump cover and the mechanical seal box are connected by the fixing bolts.

[0008] By adopting the above technical solution, the heat insulation gasket II provided between the pump cover and the mechanical seal box further ensures that the heat of the high-temperature medium transported by the horizontal centrifugal pump body will not be transferred to the bearing and the lubricating oil.

[0009] Optionally, a rotating shaft penetrates through the pump cover. An impeller is fixedly installed at one end of the rotating shaft inside the horizontal centrifugal pump body.

[0010] By adopting the above technical solution, a power component is provided for transporting the high-temperature medium by the horizontal centrifugal pump body.

[0011] Optionally, a bearing box is fixedly installed on the side of the mechanical seal box away from the pump cover. The rotating shaft penetrates through the mechanical seal box and the bearing box respectively. A mechanical seal is fixedly installed inside the mechanical seal box. A bearing is fixedly installed inside the bearing box. The rotating shaft passes through the mechanical seal and the bearing respectively.

[0012] By adopting the above technical solution, the sealing performance and stability during the rotation of the rotating shaft are ensured.

[0013] Optionally, a water inlet pipe is communicated with one side of the horizontal centrifugal pump body, and a drain pipe is communicated with the top of the horizontal centrifugal pump body.

[0014] By adopting the above technical solution, a conveying path for the high-temperature medium is provided.

[0015] Optionally, a number of mounting holes are provided at the bottom of the pump support.

[0016] By adopting the above technical solution, the installation of the pump support is facilitated.

[0017] Compared with the prior art, the beneficial effects of the technical solution of the present application are as follows:

[0018] 1. By providing the heat insulation gasket I between the horizontal centrifugal pump body and the pump support, the heat of the high-temperature medium transported by the horizontal centrifugal pump body is blocked from being transferred to the pump support, preventing the pump support from expanding due to heat, thereby ensuring the stability of the pump center line. Without a complex cooling water pipeline system, and by inserting the rubber plug-in I and the rubber plug-in II into the slot I and the slot II, positioning is provided for the installation of the heat insulation gasket I, ensuring the accuracy of the installation.

[0019] 2. By providing the second heat insulation gasket between the pump cover and the mechanical seal box, it is further ensured that the heat of the high-temperature medium transported by the horizontal centrifugal pump body will not be transferred to the bearing and the lubricating oil. Description of the Drawings

[0020] Other features, objects, and advantages of the present utility model will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 It is a sectional view of the front view of the present utility model;

[0022] Figure 2 It is a sectional view of the side view of the present utility model;

[0023] Figure 3 For the present utility model Figure 2 An enlarged view of A in it.

[0024] In the figure: 1. Horizontal centrifugal pump body; 2. Pump support; 3. Mechanical seal box; 4. Second heat insulation gasket; 5. Fixed bolt; 6. Bearing box; 7. Rotating shaft; 8. Impeller; 9. Inlet pipe; 10. Drain pipe; 11. Mechanical seal; 12. Bearing; 13. Mounting bolt; 14. Threaded hole; 15. First heat insulation gasket; 16. First slot; 17. Second slot; 18. First rubber insert; 19. Second rubber insert; 20. Mounting hole; 21. Pump cover. Detailed Embodiments

[0025] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0026] Please refer to Figures 1-3, the present utility model provides a technical solution: including a horizontal centrifugal pump body 1 and a pump support 2. The horizontal centrifugal pump body 1 is arranged above the pump support 2. Heat insulation gaskets one 15 which match each other are arranged on the front and rear sides between the horizontal centrifugal pump body 1 and the pump support 2. The horizontal centrifugal pump body 1 is penetrated and threadedly connected with mounting bolts 13. Threaded holes 14 which match the mounting bolts 13 are opened at the top of the pump support 2. The lower ends of the threaded holes 14 pass through the heat insulation gaskets one 15 and are inside the mounting bolts 13. Two slots one 16 are opened at the bottom of the front and rear sides of the horizontal centrifugal pump body 1. Two slots two 17 are opened at the top of the front and rear sides of the pump support 2. Rubber inserts one 18 which match the slots one 16 are fixedly connected to the front and rear sides of the top of the heat insulation gaskets one 15, and rubber inserts two 19 which match the slots two 17 are fixedly connected to the front and rear sides of the bottom of the heat insulation gaskets one 15. The rubber inserts one 18 are inside the slots one 16, and the rubber inserts two 19 are inside the slots two 17;

[0027] In this technical solution, through the heat insulation gaskets one 15 arranged between the horizontal centrifugal pump body 1 and the pump support 2, the heat of the high-temperature medium conveyed by the horizontal centrifugal pump body 1 is blocked from being transferred to the pump support 2, preventing the pump support 2 from expanding due to heat, thus ensuring the stability of the pump center line. There is no need for a complex cooling water pipe system. And by inserting the rubber inserts one 18 and the rubber inserts two 19 into the slots one 16 and the slots two 17, positioning is provided for the installation of the heat insulation gaskets one 15, ensuring the accuracy of the installation.

[0028] In some technical solutions, such as Figure 1 shown, a matching pump cover 21 is arranged on one side of the horizontal centrifugal pump body 1. A matching mechanical seal box 3 is arranged on the side of the pump cover 21 away from the horizontal centrifugal pump body 1. A matching heat insulation gasket two 4 is arranged between the pump cover 21 and the mechanical seal box 3. A number of fixing bolts 5 are penetrated and threadedly connected on the mechanical seal box 3. The pump cover 21 and the mechanical seal box 3 are connected by the fixing bolts 5.

[0029] During use, through the heat insulation gasket two 4 arranged between the pump cover 21 and the mechanical seal box 3, it is further ensured that the heat of the high-temperature medium conveyed by the horizontal centrifugal pump body 1 will not be transferred to the bearing 12 and the lubricating oil.

[0030] In some technical solutions, such as Figure 1 shown, a rotating shaft 7 is penetrated through the pump cover 21. An impeller 8 is fixedly installed at one end of the rotating shaft 7 inside the horizontal centrifugal pump body 1.

[0031] During use, it provides a power component for conveying the high-temperature medium of the horizontal centrifugal pump body 1.

[0032] In some technical solutions, such as Figure 1As shown in the figure, a bearing box 6 is fixedly installed on one side of the mechanical seal box 3 away from the pump cover 21. The rotating shaft 7 passes through the mechanical seal box 3 and the bearing box 6 respectively. A mechanical seal 11 is fixedly installed inside the mechanical seal box 3, and a bearing 12 is fixedly installed inside the bearing box 6. The rotating shaft 7 passes through the mechanical seal 11 and the bearing 12 respectively.

[0033] During use, the mechanical seal 11 and the bearing 12 ensure the sealing and stability of the rotating shaft 7 during rotation.

[0034] In some technical solutions, such as Figure 1 As shown in the figure, a water inlet pipe 9 is connected to one side of the horizontal centrifugal pump body 1, and a drain pipe 10 is connected to the top of the horizontal centrifugal pump body 1.

[0035] During use, the water inlet pipe 9 and the drain pipe 10 provide a conveying path for high-temperature medium.

[0036] In some technical solutions, such as Figure 1 As shown in the figure, a plurality of mounting holes 20 are formed in the bottom of the pump support 2.

[0037] During use, the mounting holes 20 facilitate the installation of the pump support 2.

[0038] Working principle: During use, through the heat insulation gasket 15 arranged between the horizontal centrifugal pump body 1 and the pump support 2, the heat of the high-temperature medium conveyed by the horizontal centrifugal pump body 1 is blocked from being transferred to the pump support 2, preventing the pump support 2 from expanding due to heat, thereby ensuring the stability of the pump center line. And by inserting the rubber plug-in 18 and the rubber plug-in 19 into the slot 16 and the slot 17, positioning is provided for the installation of the heat insulation gasket 15. And through the heat insulation gasket 24 arranged between the pump cover 21 and the mechanical seal box 3, it is further ensured that the heat of the high-temperature medium conveyed by the horizontal centrifugal pump body 1 will not be transferred to the bearing 12 and the lubricating oil.

[0039] The above are only the preferred embodiments of the present application and are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Horizontal centrifugal pump for transporting high-temperature medium, comprising a horizontal centrifugal pump body (1) and a pump support (2), characterized in that: The horizontal centrifugal pump body (1) is arranged above the pump support (2). Heat insulation gaskets I (15) which match each other are arranged on the front and back sides between the horizontal centrifugal pump body (1) and the pump support (2). The horizontal centrifugal pump body (1) is penetrated and threadedly connected with installation bolts (13). Threaded holes (14) which match the installation bolts (13) are formed in the top of the pump support (2). The lower ends of the threaded holes (14) penetrate through the heat insulation gaskets I (15) and are located inside the installation bolts (13). Two slots I (16) are formed in the bottom of the front and back sides of the horizontal centrifugal pump body (1). Two slots II (17) are formed in the top of the front and back sides of the pump support (2). Rubber inserts I (18) which match the slots I (16) are fixedly connected to the front and back sides of the top of the heat insulation gasket I (15), and rubber inserts II (19) which match the slots II (17) are fixedly connected to the front and back sides of the bottom of the heat insulation gasket I (15). The rubber inserts I (18) are located inside the slots I (16), and the rubber inserts II (19) are located inside the slots II (17).

2. The horizontal centrifugal pump for conveying high-temperature medium according to claim 1, characterized in that, A pump cover (21) which matches is arranged on one side of the horizontal centrifugal pump body (1). A mechanical seal box (3) which matches is arranged on the side of the pump cover (21) far away from the horizontal centrifugal pump body (1). A heat insulation gasket II (4) which matches is arranged between the pump cover (21) and the mechanical seal box (3). The mechanical seal box (3) is penetrated and threadedly connected with a plurality of fixing bolts (5). The pump cover (21) and the mechanical seal box (3) are connected through the fixing bolts (5).

3. The horizontal centrifugal pump for conveying high-temperature medium according to claim 2, characterized in that, A rotating shaft (7) penetrates through the pump cover (21). An impeller (8) is fixedly installed at one end of the rotating shaft (7) located inside the horizontal centrifugal pump body (1).

4. The horizontal centrifugal pump for conveying high-temperature medium according to claim 3, characterized in that, A bearing box (6) is fixedly installed on the side of the mechanical seal box (3) far away from the pump cover (21). The rotating shaft (7) penetrates through the mechanical seal box (3) and the bearing box (6) respectively. A mechanical seal (11) is fixedly installed inside the mechanical seal box (3). A bearing (12) is fixedly installed inside the bearing box (6). The rotating shaft (7) passes through the mechanical seal (11) and the bearing (12) respectively.

5. The horizontal centrifugal pump for transporting high-temperature medium according to claim 1, characterized in that, A water inlet pipe (9) is communicated with one side of the horizontal centrifugal pump body (1), and a drain pipe (10) is communicated with the top of the horizontal centrifugal pump body (1).

6. The horizontal centrifugal pump for transporting high-temperature medium according to claim 1, wherein A plurality of installation holes (20) are formed in the bottom of the pump support (2).

Images