Horizontal centrifugal pump

Abstract

The utility model provides a horizontal centrifugal pump which comprises a horizontal centrifugal pump body used for enabling fluid media in the horizontal centrifugal pump body to make centrifugal movement, an inlet flange used for being connected with an external medium inlet pipeline flange so that the fluid media can enter the horizontal centrifugal pump body, and an outlet flange used for being connected with an external medium inlet pipeline flange so that the fluid media can enter the horizontal centrifugal pump body. The outlet flange is used for being connected with an external medium outlet pipeline flange so that a fluid medium subjected to centrifugal movement can be discharged out of the horizontal centrifugal pump body, strip-shaped sundries in the fluid medium can be intercepted when the fluid medium passes through the inlet flange, and therefore the situation that the strip-shaped sundries in the fluid medium are attached to the interior of the horizontal centrifugal pump body can be reduced. Therefore, the period of cleaning the horizontal centrifugal pump body can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of horizontal centrifugal pumps, in particular to a horizontal centrifugal pump. Background Art

[0002] The horizontal centrifugal pump works by using the rotation of the impeller to cause the fluid medium to undergo centrifugal motion.

[0003] Existing horizontal centrifugal pumps are as follows Figure 1 As shown, the horizontal centrifugal pump comprises a horizontal centrifugal pump body 1', and the horizontal centrifugal pump body 1' is used to make the fluid medium therein undergo centrifugal motion;

[0004] An inlet flange 2', wherein the inlet flange 2' is used to be connected to an external medium inlet pipe flange so that the fluid medium enters the horizontal centrifugal pump body 1';

[0005] The outlet flange 3' is used to be connected to an external outlet pipe flange so that the fluid medium undergoing centrifugal motion can be discharged from the horizontal centrifugal pump body 1'.

[0006] Although the above products can solve the corresponding technical problems, there are still certain defects in their use:

[0007] When the fluid medium passes through the inlet flange 2', the strip-shaped debris in the fluid medium cannot be intercepted, thereby failing to reduce the adhesion of the strip-shaped debris in the fluid medium to the horizontal centrifugal pump body 1', and failing to extend the cleaning cycle of the horizontal centrifugal pump body 1'. Utility Model Content

[0008] The utility model aims to provide a horizontal centrifugal pump in view of the defects and shortcomings of the prior art.

[0009] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0010] A horizontal centrifugal pump,

[0011] It comprises a horizontal centrifugal pump body, wherein the horizontal centrifugal pump body is used to make the fluid medium therein generate centrifugal motion;

[0012] An inlet flange, wherein the inlet flange is used to be connected to an external medium inlet pipe flange so that the fluid medium enters into the horizontal centrifugal pump body;

[0013] An outlet flange, the outlet flange is used to connect with an external outlet pipe flange so that the fluid medium undergoing centrifugal motion can be discharged from the horizontal centrifugal pump body;

[0014] The invention is characterized in that: it also includes an auxiliary device, which is arranged on the inner wall of the inlet flange; the auxiliary device is used to intercept the strip-shaped debris in the fluid medium when the fluid medium passes through the inlet flange, so as to reduce the adhesion of the strip-shaped debris in the fluid medium to the horizontal centrifugal pump body, thereby extending the cleaning cycle of the horizontal centrifugal pump body;

[0015] The auxiliary device comprises a connecting ring plate, and the connecting ring plate is arranged on the inner wall of the inlet flange;

[0016] An auxiliary ring plate, the auxiliary ring plate is arranged on the end face of the connecting ring plate away from the inlet flange, and the auxiliary ring plate is used to be located in the external inlet pipe after the inlet flange is connected to the external inlet pipe flange;

[0017] A support plate, the support plate being arranged on the inner wall of the auxiliary ring plate;

[0018] A connecting column, the connecting column is arranged on the supporting plate and located inside the auxiliary ring plate, and the axis of the connecting column coincides with the axis of the auxiliary ring plate;

[0019] Several layers of intercepting and cleaning delay racks, wherein the several layers of intercepting and cleaning delay racks are arranged on the connecting column and located in the auxiliary ring plate, and the several layers of intercepting and cleaning delay racks are arranged along the axial direction of the connecting column, and the specifications of the several layers of intercepting and cleaning delay racks are first reduced and then increased in the direction away from the inlet flange, and the several layers of intercepting and cleaning delay racks are used to intercept strip-shaped debris in the fluid medium when the fluid medium passes through the inlet flange, so as to reduce the strip-shaped debris in the fluid medium from adhering to the horizontal centrifugal pump body, thereby extending the cleaning cycle of the horizontal centrifugal pump body;

[0020] A plurality of flow holes are provided through the support plate and are located outside the connection column, and the plurality of flow holes are used for fluid medium to enter the horizontal centrifugal pump body.

[0021] A further improvement is that the intercepting and cleaning extension frame comprises a plurality of intercepting and cleaning extension rods, which are equidistantly arranged on the connecting column and are arranged around the axis of the connecting column.

[0022] A further improvement is that an auxiliary layer is arranged on the outside of the auxiliary ring plate, and the auxiliary layer is used to improve the sealing between the auxiliary ring plate and the external medium inlet pipe when the auxiliary ring plate is located in the external medium inlet pipe and to improve the stability of the auxiliary ring plate in the external medium inlet pipe when several layers of interception and cleaning racks intercept strip-shaped debris in the fluid medium.

[0023] A further improvement is that the auxiliary layer is an EPDM rubber layer or a butadiene rubber layer.

[0024] A further improvement is that: the connecting ring plate is threadedly connected to the inner wall of the inlet flange, and the connecting column is threadedly connected to the support plate.

[0025] After adopting the above technical scheme, the beneficial effect of the utility model is that strip-shaped debris in the fluid medium can be intercepted when the fluid medium passes through the inlet flange, thereby reducing the strip-shaped debris in the fluid medium adhering to the horizontal centrifugal pump body, thereby extending the cycle of cleaning the horizontal centrifugal pump body.

[0026] Further effect: the connecting ring plate is threadedly connected to the inner wall of the inlet flange, and the connecting column is threadedly connected to the support plate. After regular use of the centrifugal pump, the inlet flange can be separated from the external inlet pipe, and then the connecting column can be separated from the support plate, and then the connecting ring plate can be separated from the inlet flange, which is convenient for cleaning the strip debris on the multi-layer interception and cleaning rack, and for cleaning the connecting ring plate, support plate, auxiliary ring plate, and connecting column. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0028] Figure 1 It is a structural schematic diagram of an existing horizontal centrifugal pump;

[0029] Figure 2 It is a structural schematic diagram of the utility model;

[0030] Figure 3 It is a structural schematic diagram of the main body, inlet flange and outlet flange of the horizontal centrifugal pump in the utility model;

[0031] Figure 4 It is a structural schematic diagram of the auxiliary device in the utility model;

[0032] Figure 5 It is a structural schematic diagram of the support plate in the utility model.

[0033] Explanation of the accompanying drawings: horizontal centrifugal pump body 1', inlet flange 2', outlet flange 3', horizontal centrifugal pump body 1, inlet flange 2, outlet flange 3, connecting ring plate 4, auxiliary ring plate 5, support plate 6, connecting column 7, flow hole 8, intercepting and cleaning rod 9, auxiliary layer 10. DETAILED DESCRIPTION

[0034] The utility model is now further described in conjunction with the accompanying drawings and specific embodiments.

[0035] See also Figures 2 to 5 As shown, the technical solution adopted in this specific implementation is:

[0036] A horizontal centrifugal pump comprises a horizontal centrifugal pump body 1, wherein the horizontal centrifugal pump body 1 is used to make a fluid medium therein undergo centrifugal motion; the fluid medium may be water or a solution or other;

[0037] An inlet flange 2, which is used to be connected to an external medium inlet pipe flange so that the fluid medium enters the horizontal centrifugal pump body 1;

[0038] An outlet flange 3, the outlet flange 3 is used to be connected to an external outlet pipe flange so that the fluid medium undergoing centrifugal motion can be discharged from the horizontal centrifugal pump body 1;

[0039] The pump also includes an auxiliary device, which is arranged on the inner wall of the inlet flange 2; the auxiliary device is used to intercept the strip-shaped debris in the fluid medium when the fluid medium passes through the inlet flange 2, so as to reduce the adhesion of the strip-shaped debris in the fluid medium to the horizontal centrifugal pump body 1, thereby extending the cleaning cycle of the horizontal centrifugal pump body 1;

[0040] The auxiliary device comprises a connecting ring plate 4, which is arranged on the inner wall of the inlet flange 2;

[0041] Auxiliary ring plate 5, the auxiliary ring plate 5 is fixedly arranged on the end face of the connecting ring plate 4 away from the inlet flange 2, and the auxiliary ring plate 5 is used to be located in the external inlet pipe after the inlet flange 2 is connected to the external inlet pipe flange;

[0042] A support plate 6, the support plate 6 is fixedly arranged on the inner wall of the auxiliary ring plate 5;

[0043] A connecting column 7, which is disposed on the supporting plate 6 and located inside the auxiliary ring plate 5, and the axis of the connecting column 7 coincides with the axis of the auxiliary ring plate 5;

[0044] The multi-layer intercepting and cleaning-extending frame is fixedly arranged on the connecting column 7 and located in the auxiliary ring plate 5. The multi-layer intercepting and cleaning-extending frame is arranged along the axial direction of the connecting column 7. The specifications of the multi-layer intercepting and cleaning-extending frame first decrease and then increase in the direction away from the inlet flange 2. The multi-layer intercepting and cleaning-extending frame is used to intercept strip-shaped debris in the fluid medium when the fluid medium passes through the inlet flange 2, so as to reduce the strip-shaped debris in the fluid medium from adhering to the horizontal centrifugal pump body 1, thereby prolonging the cleaning cycle of the horizontal centrifugal pump body 1;

[0045] A plurality of flow holes 8, which are formed on the support plate 6 and are located outside the connection column 7, and are used for the fluid medium to enter the horizontal centrifugal pump body 1;

[0046] The intercepting and cleaning extension frame includes a plurality of intercepting and cleaning extension rods 9 , which are fixedly arranged on the connecting column 7 at equal intervals and are arranged around the axis of the connecting column 7 .

[0047] An auxiliary layer 10 is fixedly arranged outside the auxiliary ring plate 5. The auxiliary layer 10 is used to improve the sealing between the auxiliary ring plate 5 and the external medium inlet pipeline when the auxiliary ring plate 5 is located in the external medium inlet pipeline and to improve the stability of the auxiliary ring plate 5 in the external medium inlet pipeline when the multi-layer interception and cleaning rack intercepts strip-shaped debris in the fluid medium; the auxiliary layer 10 is an EPDM rubber layer or a butadiene rubber layer;

[0048] The connecting ring plate 4 is threadedly connected to the inner wall of the inlet flange 2 , and the connecting column 7 is threadedly connected to the supporting plate 6 .

[0049] The connecting ring plate 4, the auxiliary ring plate 5, the supporting plate 6, the connecting column 7, and the intercepting and cleaning rod 9 are all treated with anti-corrosion.

[0050] The working principle of the utility model is as follows: the inlet flange 2 is used to be connected with the external medium inlet pipe flange so that the fluid medium enters into the horizontal centrifugal pump body 1; the several layers of interception and cleaning racks are used to intercept the strip-shaped debris in the fluid medium when the fluid medium passes through the inlet flange 2, so as to reduce the strip-shaped debris in the fluid medium from adhering to the horizontal centrifugal pump body 1, thereby extending the cleaning cycle of the horizontal centrifugal pump body 1; the several flow holes 8 are used for the fluid medium to enter into the horizontal centrifugal pump body 1; the outlet flange 3 is used to be connected with the external medium outlet pipe flange so that the fluid medium that has undergone centrifugal motion is discharged from the horizontal centrifugal pump body 1.

[0051] The contents not described in detail in the utility model specification belong to the prior art known to those skilled in the art. The utility model is to protect the structure of the product, and the model of each component is not the content of the utility model protection, which is also the prior art known to those skilled in the art. Any component on the market that can achieve the above functions of the utility model can be selected and applied.

[0052] The basic principles, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles 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 shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A horizontal centrifugal pump, It comprises a horizontal centrifugal pump body, wherein the horizontal centrifugal pump body is used to make the fluid medium therein generate centrifugal motion; An inlet flange, wherein the inlet flange is used to be connected to an external medium inlet pipe flange so that the fluid medium enters into the horizontal centrifugal pump body; An outlet flange, the outlet flange is used to connect with an external outlet pipe flange so that the fluid medium undergoing centrifugal motion can be discharged from the horizontal centrifugal pump body; Features: The pump also includes an auxiliary device, which is arranged on the inner wall of the inlet flange; the auxiliary device is used to intercept strip-shaped debris in the fluid medium when the fluid medium passes through the inlet flange, so as to reduce the adhesion of the strip-shaped debris in the fluid medium to the horizontal centrifugal pump body, thereby extending the cleaning cycle of the horizontal centrifugal pump body; The auxiliary device comprises a connecting ring plate, and the connecting ring plate is arranged on the inner wall of the inlet flange; An auxiliary ring plate, the auxiliary ring plate is arranged on the end face of the connecting ring plate away from the inlet flange, and the auxiliary ring plate is used to be located in the external inlet pipe after the inlet flange is connected to the external inlet pipe flange; A support plate, the support plate being arranged on the inner wall of the auxiliary ring plate; A connecting column, the connecting column is arranged on the supporting plate and located inside the auxiliary ring plate, and the axis of the connecting column coincides with the axis of the auxiliary ring plate; Several layers of intercepting and cleaning delay racks, wherein the several layers of intercepting and cleaning delay racks are arranged on the connecting column and located in the auxiliary ring plate, and the several layers of intercepting and cleaning delay racks are arranged along the axial direction of the connecting column, and the specifications of the several layers of intercepting and cleaning delay racks are first reduced and then increased in the direction away from the inlet flange, and the several layers of intercepting and cleaning delay racks are used to intercept strip-shaped debris in the fluid medium when the fluid medium passes through the inlet flange, so as to reduce the strip-shaped debris in the fluid medium from adhering to the horizontal centrifugal pump body, thereby extending the cleaning cycle of the horizontal centrifugal pump body; A plurality of flow holes are provided through the support plate and are located outside the connection column, and the plurality of flow holes are used for fluid medium to enter the horizontal centrifugal pump body.

2. A horizontal centrifugal pump according to claim 1, characterized in that: The intercepting and cleaning extension frame comprises a plurality of intercepting and cleaning extension rods, which are equidistantly arranged on the connecting column and are arranged around the axis of the connecting column.

3. A horizontal centrifugal pump according to claim 1, characterized in that: An auxiliary layer is arranged outside the auxiliary ring plate, and the auxiliary layer is used to improve the sealing between the auxiliary ring plate and the external medium inlet pipe when the auxiliary ring plate is located in the external medium inlet pipe and to improve the stability of the auxiliary ring plate in the external medium inlet pipe when the multiple layers of interception and cleaning racks intercept strip-shaped debris in the fluid medium.

4. A horizontal centrifugal pump according to claim 3, characterized in that: The auxiliary layer is an EPDM rubber layer or a butadiene rubber layer.

5. A horizontal centrifugal pump according to claim 1, characterized in that: The connecting ring plate is threadedly connected to the inner wall of the inlet flange, and the connecting column is threadedly connected to the supporting plate.

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