Pump body structure of high-temperature submerged pump

Abstract

The utility model relates to a high-temperature submerged pump body structure which comprises a pump body and a suction body, the outlet direction of the pump body is vertically upward, the center line of the outlet of the pump body and the center line of a pump shaft are arranged in parallel, a spigot is arranged between the pump body and the suction body, the pump body and the suction body are connected into a whole through a fastener, and a partition plate is arranged in an inner cavity of the pump body. And an inner cavity of the pump body is divided into two parts. A water outlet bent pipe is omitted, the horizontal direction of the outlet of the pump is changed into the vertical direction, the outlet is directly connected with the straight pipe, meanwhile, the space in the horizontal direction can be properly compressed, and the compactness of the pump body is improved. A single-volute structure of the pump body is changed into a double-volute structure, radial force borne by the pump body can be balanced, deformation of the pump body caused by overlarge radial force is reduced, impact abrasion of media borne by the inner wall is reduced, and the service life of the pump body in normal use can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pump body structure, concretely relates to a high temperature down pump pump body structure which is compact in structure, occupies small space, is simple to mount and dismount, reduces the radial load suffered by the pump body, reduces the deformation of the pump body and improves the reliability of pump safe operation. BACKGROUND

[0002] Most of the existing high temperature down pumps adopt traditional long shaft down pumps, and the pump body structure is shown in the following figure (the outlet of the pump body 2 is in the horizontal direction, is connected with a water outlet pipe 1 to change the outlet into vertical upward, and the two are connected into an integral whole):

[0003] 1. The structure is relatively complex, the horizontal direction is not compact enough, the reliability is general, and the two connection places are inconvenient to dismount.

[0004] 2. The pump body is single volute, cannot balance the radial force, the pump rigidity is general, and influences the service performance and service life of the pump. INVENTION CONTENTS

[0005] In view of the above problems, the main purpose of the utility model is to provide a high temperature down pump pump body structure which is compact in structure, occupies small space, is simple to mount and dismount, reduces the radial load suffered by the pump body, reduces the deformation of the pump body and improves the reliability of pump safe operation.

[0006] The utility model solves the above technical problem through the following technical scheme: a high temperature down pump pump body structure, the high temperature down pump pump body structure includes: a pump body and a suction body, the outlet direction of the pump body is vertical upward, the outlet center line of the pump body and the pump shaft center line are arranged in parallel, a stop opening is arranged between the pump body and the suction body, the pump body and the suction body are connected into an integral whole through fasteners, a partition plate is arranged in the inner cavity of the pump body, and the inner cavity of the pump body is divided into two parts.

[0007] In the embodiment of the utility model, the pump body and the suction body are connected into an integral whole through bolts and nuts.

[0008] In the embodiment of the utility model, the partition plate divides the inner cavity of the pump body into a large cavity and a small cavity, and the volume of the large cavity is 3-5 times the volume of the small cavity.

[0009] In the embodiment of the utility model, the small cavity is located on one side of the position far from the outlet of the pump body in the inner cavity of the pump body.

[0010] In the embodiment of the utility model, the thickness of the partition plate ranges from 5-20mm.

[0011] The utility model discloses a positive progress effect lies in: the utility model provides high temperature liquid pump body structure under pump and common technology compared with the following advantages: the utility model discloses cancel the water outlet elbow, change the pump export horizontal direction to vertical direction, and the export is directly connected with the straight pipe, and the space of horizontal direction can be compressed properly, and the compactness of pump body is improved. The utility model discloses the pump body single volute structure is changed to double volute structure, can balance the radial force that pump body suffers, reduces the deformation of pump body due to suffering excessive radial force, reduces the impact abrasion of inner wall to medium simultaneously, can improve the service life of pump body normal use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the high temperature liquid pump of current common.

[0013] Figure 2 It is the whole structure schematic diagram of the utility model,

[0014] Figure 3 It is the schematic diagram in the implementation process of the utility model, as shown in

[0015] The following is the name corresponding to the mark in the utility model:

[0016] Water outlet pipe 1, pump body 2, suction body 3, big cavity 4, small cavity 5, baffle 6, pump body outlet 7, pump shaft center line 8, inner cavity 9, stop 10. DETAILED DESCRIPTION

[0017] The following gives the preferred embodiment of the utility model in conjunction with the drawings to explain the technical scheme of the utility model in detail.

[0018] Figure 2 It is the whole structure schematic diagram of the utility model, Figure 3 It is the schematic diagram in the implementation process of the utility model, as shown in Figure 2 And Figure 3 The utility model discloses a kind of high temperature liquid pump body structure under pump, and the high temperature liquid pump body structure under pump includes: pump body 2 and suction body 3, the outlet direction of pump body 2 is vertically upwards, the outlet center line of pump body 2 and pump shaft center line 8 are arranged in parallel, stop 10 is arranged between pump body 2 and suction body 3, pump body 2 and suction body 3 are connected as a whole by fastener, baffle 6 is arranged in the inner cavity 9 of pump body 2, the inner cavity of pump body 2 is divided into two parts flow channel, in specific implementation process, pump body 2 and suction body 3 are connected as a whole by bolt nut.

[0019] In the utility model, the inner cavity of pump body 2 is divided into big cavity 4 and small cavity 5 by baffle, and the volume of big cavity 4 is 3-5 times the volume of small cavity 5.

[0020] In the utility model, small cavity 5 is located at the side of the position of the inner cavity 9 of pump body 2 far from the outlet of pump body 2.

[0021] In the utility model, the thickness range of the partition plate 6 is: 5-20mm, in the specific implementation process, the above range can select other values or range according to actual situation.

[0022] The pump body 2 and the suction body 3 are connected as a whole by fasteners in the utility model, the pump body outlet 7 is connected with the pump outlet pipe system, the pump shaft protection pipe system is coaxial with the pump shaft center, and is connected with the pump body beside the pump outlet.

[0023] Figure 3 The utility model is in the implementation process, the schematic diagram, the pump body outlet 7 direction vertical upward and the pump suction body center (also pump shaft center line 8) distance is small, determines that the pump outlet pipe system occupies small space, makes the pump body water outlet pipe system, pump shaft protection pipe system and the structure of pump body three compactness between them;Because the pump body water outlet pipe system, pump shaft protection pipe system and the pump body connection direction are same, so three are more convenient to disassemble.

[0024] The medium passes through the pump body suction inlet and enters the pump body inner chamber, when the medium flow is larger, the radial force of the pump body suffered by the medium is balanced and reduced through the double volute structure, so that the stress of the pump body inner chamber is reduced, which ensures that the pump body deformation is very small, and further ensures the safe operation of the whole pump set.

[0025] A partition plate is added in the pump cavity in the structural design, which separates the pump body inner chamber flow passage into two parts (single volute structure is changed into double volute structure) to balance the radial force of the pump body suffered by the medium.

[0026] The pump body with special hydraulic design reduces the distance between the pump body suction center and the pump body outlet center, so that the distance between the whole pump water outlet pipe and the pump suction center is also reduced, the structure is compact, the occupied space is small, and the structure mode of the pump body outlet and the elbow pipe connection is cancelled, so that the installation and disassembly are simple.

[0027] The pump body inner chamber structure adds a partition plate to divide the hydraulic flow passage into two parts (double volute structure), so that the pump body can balance the radial force when the radial force of the pump body suffered by the medium is large, the radial load of the pump body is reduced, the pump body deformation is reduced, and the reliability of the safe operation of the pump is improved.

[0028] 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 to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, which all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high temperature submersible pump body structure, characterized by: The high-temperature submersible pump body structure comprises a pump body and a suction body, the outlet direction of the pump body is vertically upward, the outlet center line of the pump body and the pump shaft center line are arranged in parallel, a stop is arranged between the pump body and the suction body, the pump body and the suction body are coupled into a whole by a fastener, and a partition plate is arranged in the inner cavity of the pump body, so that the inner cavity of the pump body is divided into two parts.

2. The high-temperature submersible pump body structure of claim 1, wherein: The pump body and the suction body are coupled into a whole by a bolt and a nut.

3. The high-temperature submersible pump body structure of claim 1, wherein: The partition plate divides the inner cavity of the pump body into a large cavity and a small cavity, and the volume of the large cavity is 3-5 times the volume of the small cavity.

4. The high-temperature submersible pump body structure of claim 3, wherein: The small cavity is located on one side of the inner cavity of the pump body away from the position of the pump body outlet.

5. The high temperature submerged pump body construction of claim 3 wherein: The thickness of the partition plate ranges from 5-20 mm.

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