Cooling system of explosion-proof centrifugal pump

Abstract

The utility model relates to the technical field of pharmaceutical production, in particular to an anti-explosion centrifugal pump cooling system which comprises a circulating cooling water pipe, an anti-explosion centrifugal pump is arranged on one side of the circulating cooling water pipe, a cooling water inlet pipe and a cooling water outlet pipe are installed on the anti-explosion centrifugal pump, and a first connecting pipe and a second connecting pipe are installed on the circulating cooling water pipe. The first connecting pipe is communicated with the cooling water inlet pipe, the second connecting pipe is communicated with the cooling water outlet pipe, and the first connecting pipe is provided with a filter and a valve. The utility model has the technical effect of reducing the waste of water resources.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine production, in particular to an explosion-proof centrifugal pump cooling system. Background Art

[0002] In the pharmaceutical industry, a large amount of wastewater is generated when some drugs are produced. Explosion-proof centrifugal pumps are needed to extract the wastewater and transport it to a designated location. During the use of explosion-proof centrifugal pumps, the pump body bearings need to be cooled. At present, when cooling explosion-proof centrifugal pumps, tap water is passed through the explosion-proof centrifugal pumps, and the cooled tap water will be discharged as sewage, resulting in a waste of water resources. Utility Model Content

[0003] The embodiment of the utility model provides an explosion-proof centrifugal pump cooling system, which has the technical effect of reducing the waste of water resources.

[0004] An explosion-proof centrifugal pump cooling system adopts the following technical solutions:

[0005] The invention discloses an explosion-proof centrifugal pump cooling system, comprising a circulating cooling water pipe, an explosion-proof centrifugal pump being arranged on one side of the circulating cooling water pipe, a cooling water inlet pipe and a cooling water outlet pipe being installed on the explosion-proof centrifugal pump, a first connecting pipe and a second connecting pipe being installed on the circulating cooling water pipe, the first connecting pipe being connected with the cooling water inlet pipe, the second connecting pipe being connected with the cooling water outlet pipe, and a filter and a valve being installed on the first connecting pipe.

[0006] Furthermore, the filter includes a filter box, which is fixed to the first connecting pipe, and a mounting hole is opened on the side wall of the filter box. An installation frame is arranged in the filter box, and the installation frame includes a first mounting plate and three second mounting plates connected in sequence, and the first mounting plate is located in the mounting hole. A mounting groove for plugging the second mounting plates is opened on the inner wall of the filter box, and a filter net for filtering cooling water is detachably connected to the inner walls of the first mounting plate and the three second mounting plates, and a positioning plate is fixed to the bottom of the first mounting plate, and the positioning plate extends out of the mounting hole, and a fixing component for fixing the positioning plate is arranged on the side wall of the filter box.

[0007] Furthermore, the fixing assembly includes a fixing block, a connecting rod and a spring. The fixing block is fixed on the side wall of the filter box. The connecting rod passes through the fixing block. An abutment block is fixed at the bottom of the connecting rod. The spring is fixed between the abutment block and the fixing block. An insertion rod is fixed at the bottom of the abutment block. A socket for the insertion rod is provided on the positioning plate. Under the action of the spring, the abutment block presses against the positioning plate.

[0008] Furthermore, a first sealing strip is fixed to the top of the first mounting plate, a second sealing strip is fixed to the bottom of the positioning plate, and a first sealing groove for the first sealing strip to be inserted and a second sealing groove for the second sealing strip to be inserted are provided on the hole wall of the mounting hole.

[0009] Compared with the prior art, the present application has the following technical effects: the explosion-proof centrifugal pump is cooled by the cooling water in the circulating cooling water pipe, so that the cooling water is recycled and the waste of water resources is reduced. The detachable filter screen is easy to replace the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present invention, and do not constitute a limitation of the present invention. In the drawings:

[0011] Figure 1 To reflect the overall structural diagram of this application;

[0012] Figure 2 A schematic diagram of a filter in this application;

[0013] Figure 3 To illustrate the schematic diagram of pulling the filter out of the filter box in this application;

[0014] Figure 4 It is a cross-sectional schematic diagram of the filter box in this application.

[0015] Explanation of the reference numerals: 1. circulating cooling water pipe; 11. first connecting pipe; 12. second connecting pipe; 2. explosion-proof centrifugal pump; 21. wastewater inlet pipe; 22. wastewater outlet pipe; 23. cooling water inlet pipe; 24. cooling water outlet pipe; 3. valve; 4. filter; 41. filter box; 411. mounting hole; 412. mounting groove; 413. first sealing groove; 414. second sealing groove; 42. mounting frame; 421. first mounting plate; 422. second mounting plate; 43. filter screen; 44. positioning plate; 441. first sealing strip; 442. second sealing strip; 5. fixing assembly; 51. fixing block; 52. connecting rod; 53. spring; 54. abutment block; 55. insertion rod; 56. insertion hole; 57. pull block. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with the implementation mode and the accompanying drawings. Here, the schematic implementation mode of the utility model and its description are used to explain the utility model, but are not used as a limitation of the utility model.

[0017] Reference Figure 1 An explosion-proof centrifugal pump cooling system includes a circulating cooling water pipe 1 for cooling a drug production device, an explosion-proof centrifugal pump 2 is arranged on one side of the circulating cooling water pipe 1, a wastewater inlet pipe 21 and a wastewater outlet pipe 22 are fixed to the explosion-proof centrifugal pump 2, and a cooling water inlet pipe 23 and a cooling water outlet pipe 24 are also installed on the explosion-proof centrifugal pump 2. The explosion-proof centrifugal pump 2 pumps out the wastewater generated by the drug production device.

[0018] The circulating cooling water pipe 1 is fixed with a first connecting pipe 11 and a second connecting pipe 12, the first connecting pipe 11 is connected to the cooling water inlet pipe 23 through a flange, and the second connecting pipe 12 is connected to the cooling water outlet pipe 24 through a flange. When cooling the explosion-proof centrifugal pump 2, the cooling water in the circulating cooling water pipe 1 enters the explosion-proof centrifugal pump 2 through the first connecting pipe 11 to cool the bearings in the explosion-proof centrifugal pump 2, and the cooled water enters the circulating cooling water pipe 1 from the second connecting pipe 12, so that the water can be recycled and the waste of water resources is reduced.

[0019] The first connecting pipe 11 is provided with a valve 3 and a filter 4. When the explosion-proof centrifugal pump 2 is working, the valve 3 is opened and the filter 4 can filter out debris such as stones and iron blocks in the cooling water.

[0020] Reference Figure 2 , Figure 3 and Figure 4 The filter 4 includes a filter box 41, the interior of the filter box 41 is connected to the first connecting pipe 11, and a mounting hole 411 is opened on the side wall of the filter box 41, and the mounting hole 411 is connected to the interior of the filter box 41. A mounting frame 42 is provided in the filter box 41, and the mounting frame 42 includes a first mounting plate 421 and three second mounting plates 422 connected end to end, and the first mounting plate 421 and the three second mounting plates 422 form a square mounting frame 42.

[0021] The inner wall of the mounting frame 42 is detachably connected with a filter screen 43 by screws, and the filter screen 43 is in the shape of a net bag. The first mounting plate 421 is located in the mounting hole 411, and the inner wall of the filter box 41 is provided with a mounting groove 412, and the second mounting plates 422 are respectively inserted into the corresponding mounting grooves 412. A first sealing strip 441 is fixed to the top of the first mounting plate 421, and a second sealing strip 442 is fixed to the bottom of the positioning plate 44. A first sealing groove 413 for the first sealing strip 441 to be plugged in and a second sealing groove 414 for the second sealing strip 442 to be plugged in are provided on the hole wall of the mounting hole 411. The first sealing strip 441 and the second sealing strip 442 are made of rubber material.

[0022] A positioning plate 44 is fixed below the first mounting plate 421 . The positioning plate 44 is located in the mounting hole 411 . One end of the positioning plate 44 away from the filter screen 43 extends out of the mounting hole 411 . A fixing component 5 for fixing the positioning plate 44 is provided on the side wall of the filter box 41 .

[0023] The fixing assembly 5 includes a fixing block 51, a connecting rod 52 and a spring 53. The fixing block 51 is located above the mounting hole 411. The fixing block 51 is fixed to the side wall of the filter box 41. The connecting rod 52 passes through the fixing block 51. An abutment block 54 is fixed to the bottom of the connecting rod 52. The side of the abutment block 54 close to the first mounting plate 421 contacts the first mounting plate 421. The spring 53 is sleeved with the connecting rod 52. The spring 53 is fixed between the fixing block 51 and the abutment block 54. An insertion rod 55 is fixed to the bottom of the abutment block 54. A plug hole 56 is fixed to the top of the positioning plate 44. The insertion rod 55 is inserted into the plug hole 56. A pull block 57 is fixed to one end of the connecting rod 52 away from the abutment block 54. Under the action of the spring 53, the abutment block 54 presses against the positioning plate 44.

[0024] When replacing the filter 43, pull the pull block 57 upward, the insertion rod 55 is disengaged from the insertion hole 56, and the abutment block 54 is separated from the first mounting plate 421. Then, pull the positioning plate 44 to remove the filter 43 from the filter box 41 and replace it with a new filter 43.

[0025] The implementation principle of the explosion-proof centrifugal pump cooling system of the utility model is as follows: when the explosion-proof centrifugal pump 2 is working, the valve 3 is opened, the explosion-proof centrifugal pump 2 pumps out the waste water generated by the drug production equipment, and the water in the circulating cooling water pipe 1 enters into the explosion-proof centrifugal pump 2 through the first connecting pipe 11 and the cooling water inlet pipe 23 to cool the bearings in the explosion-proof centrifugal pump 2, and the water after cooling enters into the circulating cooling water pipe 1 again through the cooling water outlet pipe 24 and the second connecting pipe 12, so that the cooling water is recycled and the waste of water resources is reduced.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. An explosion-proof centrifugal pump cooling system, characterized in that: The invention comprises a circulating cooling water pipe (1), an explosion-proof centrifugal pump (2) is arranged on one side of the circulating cooling water pipe (1), a cooling water inlet pipe (23) and a cooling water outlet pipe (24) are installed on the explosion-proof centrifugal pump (2), a first connecting pipe (11) and a second connecting pipe (12) are installed on the circulating cooling water pipe (1), the first connecting pipe (11) is connected to the cooling water inlet pipe (23), the second connecting pipe (12) is connected to the cooling water outlet pipe (24), and a filter (4) and a valve (3) are installed on the first connecting pipe (11).

2. The explosion-proof centrifugal pump cooling system according to claim 1, characterized in that: The filter (4) comprises a filter box (41), the filter box (41) being fixed to the first connecting pipe (11), a mounting hole (411) being provided on the side wall of the filter box (41), a mounting frame (42) being provided in the filter box (41), the mounting frame (42) comprising a first mounting plate (421) and three second mounting plates (422) connected in sequence, the first mounting plate (421) being located in the mounting hole (411), a mounting groove (412) being provided on the inner wall of the filter box (41) for plugging the second mounting plates (422), a filter screen (43) for filtering cooling water being detachably connected to the inner walls of the first mounting plate (421) and the three second mounting plates (422), a positioning plate (44) being fixed to the bottom of the first mounting plate (421), the positioning plate (44) extending from the mounting hole (411), and a fixing assembly (5) for fixing the positioning plate (44) being provided on the side wall of the filter box (41).

3. The explosion-proof centrifugal pump cooling system according to claim 2, characterized in that: The fixing assembly (5) comprises a fixing block (51), a connecting rod (52) and a spring (53); the fixing block (51) is fixed on a side wall of the filter box (41); the connecting rod (52) passes through the fixing block (51); an abutting block (54) is fixed at the bottom of the connecting rod (52); the spring (53) is fixed between the abutting block (54) and the fixing block (51); an insertion rod (55) is fixed at the bottom of the abutting block (54); a plug hole (56) for the insertion rod (55) to be inserted is provided on the positioning plate (44); and under the action of the spring (53), the abutting block (54) is pressed against the positioning plate (44).

4. The explosion-proof centrifugal pump cooling system according to claim 3, characterized in that: A first sealing strip (441) is fixed on the top of the first mounting plate (421), a second sealing strip (442) is fixed on the bottom of the positioning plate (44), and a first sealing groove (413) for plugging the first sealing strip (441) and a second sealing groove (414) for plugging the second sealing strip (442) are provided on the hole wall of the mounting hole (411).

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