Electric submersible pump shell

Abstract

The utility model discloses an electric submersible pump shell which comprises an outer shell body, an inner core is fixedly installed in the outer shell body, an annular cooling cavity is formed between the outer shell body and the inner core, the top of one side of the outer shell body and the bottom of the other side of the outer shell body are provided with an input port and an exhaust port respectively, and the input port and the exhaust port are communicated with the cooling cavity. Arc-shaped grooves communicating with the cooling cavity are formed in the bottoms of the two sides of the outer edge face of the outer shell correspondingly, heat dissipation assemblies used for discharging heat are fixedly arranged in the two arc-shaped grooves correspondingly in a welded mode, each heat dissipation assembly comprises an arc-shaped heat absorption sealing plate, and a plurality of heat dissipation rib plates are arranged on the side, away from the inner core, of each arc-shaped heat absorption sealing plate at equal intervals; the arc-shaped heat absorption sealing plate is fixedly arranged in the arc-shaped groove in a welded mode. The electric submersible pump shell is provided with a double-cooling structure, the mode of circulating backflow and external cooling is adopted, the situation that cooling liquid is too hot is effectively avoided, equipment cooling can be conducted in all directions in real time, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of submersible electric pumps, and in particular relates to a submersible electric pump casing. Background Art

[0002] The submersible electric pump is a multi-stage centrifugal pump working underground. It is lowered into the well together with the oil pipe. The ground power supply transmits electrical energy to the underground submersible motor through the transformer, control panel and power cable, so that the submersible motor drives the multi-stage centrifugal pump to rotate, converting electrical energy into mechanical energy and lifting the well fluid in the oil well to the ground.

[0003] In the prior art, in order to improve the cooling effect of the submersible electric pump housing during daily use, coolant is often injected into the submersible electric pump housing, so that heat is absorbed by the coolant.

[0004] However, the existing method of absorbing heat through coolant easily makes it difficult for the heat in the coolant to dissipate, so that the temperature of the coolant remains high, making it difficult to achieve the desired cooling effect. Utility Model Content

[0005] The utility model aims to provide a submersible electric pump housing to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A submersible electric pump housing comprises an outer housing;

[0008] An inner core is fixedly installed in the outer shell, and an annular cooling cavity is formed between the outer shell and the inner core. An input port and an outlet connected to the cooling cavity are respectively provided at the top of one side of the outer shell and the bottom of the other side, and arc grooves connected to the cooling cavity are provided at the bottoms of both sides of the outer edge surface of the outer shell, and heat dissipation components for heat dissipation are welded and fixedly provided in the two arc grooves;

[0009] The heat dissipation component comprises an arc-shaped heat-absorbing sealing plate, and a plurality of heat dissipation ribs are equidistantly configured on one side of the arc-shaped heat-absorbing sealing plate away from the inner core.

[0010] Furthermore, the arc-shaped heat-absorbing sealing plate is welded and fixed in the arc-shaped groove, and a heat dissipation channel for heat dissipation is formed between two adjacent heat dissipation ribs.

[0011] Furthermore, a delivery pipe is fixedly installed in the input port, and a discharge pipe is fixedly installed in the discharge port.

[0012] Furthermore, flanges are welded and fixed on the tops of the discharge pipe and the flange, and a plurality of circular holes are formed in a circular array on the top of the flange.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] Thanks to the setting of the outer shell and the two heat dissipation components, the coolant in the cooling chamber circulates through the input port and the discharge port, thereby reducing the temperature of the coolant, so that the coolant absorbs the heat generated when the submersible electric pump is working, and then absorbs the heat of the coolant through the arc-shaped heat-absorbing sealing plate, and then dissipates it through multiple heat dissipation ribs, thereby reducing the temperature of the coolant and avoiding overheating, so as to improve the heat dissipation effect of the submersible electric pump;

[0015] Thanks to the setting of the heat dissipation component, heat is absorbed by the arc-shaped heat-absorbing sealing plate, and the heat is dissipated in conjunction with a plurality of heat dissipation ribs. In addition, since the heat dissipation channels between the plurality of heat dissipation ribs are available for the medium to flow through, the heat dissipation area on the arc-shaped heat-absorbing sealing plate and the plurality of heat dissipation ribs is increased, thereby further improving the heat dissipation effect of the submersible electric pump, and the practicability is relatively strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the disassembly of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the heat dissipation component of the utility model.

[0019] In the figure: 1. outer shell; 2. inner core; 3. cooling chamber; 4. heat dissipation component; 401. arc-shaped heat absorption sealing plate; 402. heat dissipation rib plate; 403. heat dissipation channel; 5. conveying pipe; 6. discharge pipe; 7. flange. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1 , Figure 2 , Figure 3As shown, a submersible electric pump housing comprises an outer shell 1, an inner core 2 is fixedly installed in the outer shell 1, and an annular cooling cavity 3 is formed between the outer shell 1 and the inner core 2, an inlet and an outlet connected to the cooling cavity 3 are respectively provided at the top of one side and the bottom of the other side of the outer shell 1, and arc grooves connected to the cooling cavity 3 are provided at the bottom of both sides of the outer edge surface of the outer shell 1, and heat dissipation components 4 for heat dissipation are welded and fixed in the two arc grooves, and the heat dissipation components 4 include an arc-shaped heat absorbing sealing plate 4 01, a plurality of heat dissipation ribs 402 are equidistantly constructed on one side of the arc-shaped heat-absorbing sealing plate 401 away from the inner core 2, and the circulation of the coolant in the cooling chamber 3 is realized through the inlet and the outlet, thereby reducing the temperature of the coolant, so that the heat generated by the submersible oil pump when working is absorbed by the coolant, and then the heat of the coolant is absorbed by the arc-shaped heat-absorbing sealing plate 401, and then dissipated through the plurality of heat dissipation ribs 402, thereby reducing the temperature of the coolant and avoiding overheating, so as to improve the heat dissipation effect of the submersible oil pump.

[0022] like Figure 1 , Figure 2 , Figure 3 As shown, the arc-shaped heat-absorbing sealing plate 401 is welded and fixedly arranged in the arc-shaped groove, and a heat dissipation channel 403 for heat dissipation is formed between two adjacent heat dissipation ribs 402. A delivery pipe 5 is fixedly arranged in the input port, and a discharge pipe 6 is fixedly installed in the discharge port. The discharge pipe 6 and the top of the flange 7 are both welded and fixedly arranged with a flange 7, and the top of the flange 7 is provided with a plurality of circular holes in a ring array, and the heat is absorbed by the arc-shaped heat-absorbing sealing plate 401, and the heat is dissipated in cooperation with the plurality of heat dissipation ribs 402. Since the heat dissipation channel 403 between the plurality of heat dissipation ribs 402 can allow the medium to flow through, the heat dissipation area on the arc-shaped heat-absorbing sealing plate 401 and the plurality of heat dissipation ribs 402 is increased, thereby further improving the heat dissipation effect of the submersible electric pump, and the practicability is strong.

[0023] Working principle: When the submersible electric pump housing is used, the accessories of the submersible electric pump are installed in the outer shell 1, and then the equipment for cooling and conveying the coolant is connected to the conveying pipe 5 and the discharge pipe 6. Therefore, when the submersible electric pump is working, the coolant that continuously circulates in the conveying pipe 5, the cooling chamber 3, and the discharge pipe 6 absorbs heat to ensure the heat dissipation effect, and then absorbs heat through the arc-shaped heat-absorbing sealing plate 401, and cooperates with multiple heat-dissipating ribs 402 to dissipate heat. Since the heat dissipation channels 403 between the multiple heat-dissipating ribs 402 can allow the medium to flow through, the heat dissipation area on the arc-shaped heat-absorbing sealing plate 401 and the multiple heat-dissipating ribs 402 is increased, thereby further improving the heat dissipation effect of the submersible electric pump, and it is easy to use.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A submersible electric pump housing, comprising an outer housing (1); Features: An inner core (2) is fixedly installed in the outer shell (1), and an annular cooling cavity (3) is formed between the outer shell (1) and the inner core (2); an inlet and an outlet connected to the cooling cavity (3) are respectively provided at the top of one side and the bottom of the other side of the outer shell (1), and arc grooves connected to the cooling cavity (3) are provided at the bottom of both sides of the outer edge surface of the outer shell (1), and heat dissipation components (4) for heat dissipation are welded and fixedly provided in the two arc grooves; The heat dissipation assembly (4) comprises an arc-shaped heat-absorbing sealing plate (401), and a plurality of heat dissipation ribs (402) are equidistantly configured on one side of the arc-shaped heat-absorbing sealing plate (401) away from the inner core (2).

2. A submersible electric pump housing according to claim 1, characterized in that: The arc-shaped heat-absorbing sealing plate (401) is welded and fixedly arranged in the arc-shaped groove, and a heat dissipation channel (403) for heat dissipation is formed between two adjacent heat dissipation ribs (402).

3. The submersible electric pump housing according to claim 1, characterized in that: A delivery pipe (5) is fixedly arranged in the input port, and a discharge pipe (6) is fixedly installed in the discharge port.

4. A submersible electric pump housing according to claim 3, characterized in that: The tops of the discharge pipe (6) and the flange (7) are both welded and fixed with the flange (7), and the top of the flange (7) is provided with a plurality of circular holes in an annular array.

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