CN117927472A - Centrifugal pump with freeze-proof effect - Google Patents
Centrifugal pump with freeze-proof effect Download PDFInfo
- Publication number
- CN117927472A CN117927472A CN202311848726.6A CN202311848726A CN117927472A CN 117927472 A CN117927472 A CN 117927472A CN 202311848726 A CN202311848726 A CN 202311848726A CN 117927472 A CN117927472 A CN 117927472A
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- Prior art keywords
- pump
- centrifugal pump
- cavity
- box body
- pump shell
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Links
- 230000000694 effects Effects 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000004321 preservation Methods 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims description 24
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 5
- 230000002528 anti-freeze Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 14
- 238000001125 extrusion Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a centrifugal pump with an antifreezing effect, and particularly relates to the technical field of centrifugal pumps. According to the centrifugal pump with the anti-freezing effect, the temperature in the pump shell is maintained through the heat preservation device, water stored in the pump shell is prevented from being condensed into ice, the use safety of the device is greatly improved, the water remaining in the centrifugal pump can be discharged through the water discharge device, and the phenomenon that impellers in the cavity of the centrifugal pump are frozen due to low weather temperature is prevented from being unusable.
Description
Technical Field
The invention relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with an antifreezing effect.
Background
The centrifugal pump is a machine for conveying or pressurizing liquid, and transmits mechanical energy of a prime motor to the liquid to raise the pressure energy of the liquid, and the existing centrifugal pump mainly comprises a pump body, a bracket body, a pump shaft, an inner pump shell, a front lining plate, a rear lining plate, an impeller, sealing fillers and the like; at present, centrifugal pumps are widely used in industries such as mines, metallurgy, electric power, chemical industry and the like, but the centrifugal pumps have the following problems when in use:
When the environment temperature of the centrifugal pump is below zero (especially in winter), and the centrifugal pump is not used in the market, if the liquid in the pump is not discharged in time, the impeller of the centrifugal pump is frozen, the use of the centrifugal pump is easily affected, and the pump body is possibly burst due to the force generated by volume expansion when the liquid is frozen, so that unnecessary loss is caused; in order to maintain the continuous suction force of the centrifugal pump, the centrifugal pump is filled with water, but when the ambient temperature is low, the water in the centrifugal pump is condensed into ice, so that the centrifugal pump is broken from the inside, the use is insufficient, if the liquid in the pump is frozen, the centrifugal pump is started, the motor is likely to be burnt out, and further loss is caused.
Disclosure of Invention
The invention mainly aims to provide a centrifugal pump with an antifreezing effect, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a centrifugal pump with freeze-proof effect, includes base and pump case, base top fixed mounting motor, motor output fixed mounting has the transmission shaft, the transmission shaft front end runs through and extends to the pump case internal connection and have the impeller, the outlet pipe is installed to the pump case upside, the inlet tube is installed to the pump case front side, the pump case left side is provided with heat preservation device, drainage device is installed to the pump case bottom.
Preferably, a heat-insulating clamping cavity is formed in the inner wall of the pump shell.
Preferably, the heat preservation device comprises a box body, a first oil pipe and a second oil pipe are fixedly connected to the upper side and the lower side of the right end of the box body respectively, the first oil pipe and the second oil pipe are connected with the pump shell and are communicated with the heat preservation clamping cavity, and an electric heating pipe is installed on the inner wall of the box body.
Preferably, the driving motor is fixedly arranged at the top of the box body, the rotating shaft is fixedly arranged at the output end of the driving motor, the lower end of the rotating shaft penetrates through and extends into the box body, and a plurality of stirring blades are fixedly arranged on the outer surface of the box body.
Preferably, the drainage device comprises a fixed block, a movable rod and a rubber plug, wherein the fixed block is fixedly arranged at the bottom of a pump shell, a blocking opening communicated with the bottom wall of an inner cavity of the pump shell is formed in the top of the fixed block, a device cavity is formed in the lower side of the inner part of the blocking opening, the rubber plug is arranged in the blocking opening, the bottom of the blocking opening is connected with the movable rod, the lower end of the movable rod penetrates through the device cavity and extends to the outside of the fixed block and is fixedly provided with a handle, a spring is sleeved on the outer surface of the movable rod, which is positioned in the device cavity, an extrusion plate is fixedly arranged on the outer surface of the movable rod and positioned in the device cavity, the extrusion plate is positioned below the spring, and drainage holes communicated with the outside are formed in two sides of the bottom of the blocking opening.
Preferably, the outer surface of the rubber plug is tightly attached to the inner wall of the blocking opening.
Preferably, the outer surface of the water inlet pipe is sleeved with a heat preservation ring, a heat preservation cavity is formed in the heat preservation ring, an electric heating wire is arranged in the heat preservation cavity, and the electric heating wire is wound outside the water inlet pipe.
Preferably, an oil inlet pipe is arranged on the left side of the box body.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a centrifugal pump with an antifreezing effect, which maintains the temperature in a pump shell through a heat preservation device, so that water stored in the pump shell is prevented from condensing into ice, the use safety of the device is greatly improved, and the arranged water draining device can drain residual water in the centrifugal pump, so that the impeller in a cavity of the centrifugal pump is prevented from being frozen due to lower weather temperature, and the centrifugal pump cannot be used.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a first cut-away structure of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2A in accordance with the present invention;
FIG. 4 is a second cross-sectional schematic view of the present invention;
Fig. 5 is an enlarged schematic view of the present invention at B in fig. 2.
In the figure: 1. a base; 2. a motor; 3. a pump housing; 4. a water outlet pipe; 5. a water inlet pipe; 6. a drainage device; 7. a heat preservation device; 8. an impeller; 9. a transmission shaft; 10. a heat preservation ring; 11. heating wires; 101. a heat preservation cavity; 31. a heat-preserving clamping cavity; 61. a fixed block; 62. a drain hole; 63. a handle; 64. a movable rod; 65. an extrusion plate; 66. a spring; 67. a rubber plug; 601. an equipment chamber; 602. blocking the opening; 71. a case; 72. an oil inlet pipe; 73. a driving motor; 74. a first oil pipe; 75. a second oil pipe; 76. a rotating shaft; 77. an electric heating tube; 78. stirring the leaves.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-5, a centrifugal pump with anti-freezing effect comprises a base 1 and a pump shell 3, wherein a motor 2 is fixedly arranged at the top of the base 1, a transmission shaft 9 is fixedly arranged at the output end of the motor 2, the front end of the transmission shaft 9 extends to the inside of the pump shell 3 in a penetrating manner, an impeller 8 is arranged in the upper side of the pump shell 3, a water outlet pipe 4 is arranged at the front side of the pump shell 3, a water inlet pipe 5 is arranged at the left side of the pump shell 3, a heat preservation device 7 is arranged at the bottom of the pump shell 3, a water drainage device 6 is arranged at the bottom of the pump shell 3, the temperature in the pump shell 3 is maintained through the heat preservation device 7, water stored in the pump shell 3 is prevented from being condensed into ice, the safety of the device is greatly improved, and the arranged water drainage device 6 can drain residual water in the centrifugal pump, so that the impeller 8 in a centrifugal pump cavity is prevented from being frozen for reasons of low weather temperature, and cannot be used.
The heat preservation clamp chamber 31 has been seted up to the inside wall of pump case 3, heat preservation device 7 includes box 71, the upper and lower both sides of box 71 right-hand member are fixedly connected with first oil pipe 74 and second oil pipe 75 respectively, just first oil pipe 74 and second oil pipe 75 are connected and communicate with heat preservation clamp chamber 31 with pump case 3, the electrothermal tube 77 is installed to the box 71 inner wall, and through setting up heat preservation clamp chamber 31 and heat preservation device 7 when ambient temperature is lower, the electrothermal tube 77 in the box 71 heats the liquid oil in the box 71, and the temperature in the recycled liquid oil maintenance protection pump case 3 avoids the water condensation that stores in the protection pump case 3 to become ice, has improved the security that the device was used greatly.
The top of the box 71 is fixedly provided with a driving motor 73, the output end of the driving motor 73 is fixedly provided with a rotating shaft 76, the lower end of the rotating shaft 76 penetrates through and extends into the box 71, the outer surface of the box 71 is fixedly provided with a plurality of stirring blades 78, the rotating shaft 76 is driven to rotate by the driving motor 73, the stirring blades 78 are driven to rotate by the rotating shaft 76, and liquid oil in the box 71 is stirred, so that the temperature of the liquid oil is uniform.
The drainage device 6 comprises a fixed block 61, a movable rod 64 and a rubber plug 67, wherein the fixed block 61 is fixedly arranged at the bottom of the pump shell 3, a blocking opening 602 communicated with the bottom wall of the inner cavity of the pump shell 3 is formed in the top of the fixed block 61, a device cavity 601 is formed in the lower side of the inner portion of the blocking opening 602, the rubber plug 67 is arranged in the blocking opening 602, the bottom of the blocking opening 602 is connected with the movable rod 64, the lower end of the movable rod 64 penetrates through the device cavity 601 and extends to the outside of the fixed block 61 and is fixedly provided with a handle 63, a spring 66 is sleeved on the outer surface of the movable rod 64 in the device cavity 601, a squeezing plate 65 is fixedly arranged on the outer surface of the movable rod 64, the squeezing plate 65 is positioned in the device cavity 601 and is positioned below the spring 66, and drainage holes 62 communicated with the outside are formed in two sides of the bottom of the blocking opening 602.
After the centrifugal pump is used, residual water in the pump body is left, a worker pushes the handle 63 upwards, the handle 63 drives the movable rod 64 to move upwards, the movable rod 64 drives the extrusion plate 65 to extrude the spring 66 upwards, the movable rod 64 moves upwards to drive the rubber plug 67 to move upwards, so that the blocking opening 602 is opened, the residual water in the centrifugal pump is discharged through the blocking opening 602 and the water discharge hole 62, and the impeller 8 in the cavity of the centrifugal pump is prevented from being frozen due to lower weather temperature, so that the centrifugal pump cannot be used.
The outer surface of the rubber plug 67 is tightly attached to the inner wall of the blocking opening 602, when the centrifugal pump works, the spring 66 extrudes the extrusion plate 65, and the extrusion plate 65 drives the rubber plug 67 to downwards block the blocking opening 602 through the movable rod 64, so that water leakage is avoided when the centrifugal pump works.
The heat preservation ring 10 is sleeved on the outer surface of the water inlet pipe 5, the heat preservation cavity 101 is formed in the heat preservation ring 10, the heating wire 11 is arranged in the heat preservation cavity 101, the heating wire 11 is wound outside the water inlet pipe 5, when in cold weather, the heating wire 11 is electrified to heat, the heat preservation ring 10 is used for heating the heat preservation ring 10, the heat preservation ring 10 is used for conducting temperature to the water inlet pipe 5, the water inlet pipe 5 is heated, the phenomenon that the water inlet pipe 5 is affected by low temperature to freeze is avoided, and normal use of the heat preservation ring is guaranteed.
An oil inlet pipe 72 is installed at the left side of the case 71.
The working principle of the invention is as follows: when the centrifugal pump works under the condition of colder weather, the electric heating tube 77 in the box 71 is started to heat liquid oil in the box 71, the recycled liquid oil is used for maintaining the temperature in the protection pump shell 3, the driving motor 73 drives the rotating shaft 76 to rotate, the rotating shaft 76 drives the stirring blade 78 to rotate, the liquid oil in the box 71 is stirred, the temperature of the liquid oil is uniform, water stored in the protection pump shell 3 is prevented from condensing into ice, the safety of the device is greatly improved, when the centrifugal pump is used, a worker pushes the handle 63 upwards, the handle 63 drives the movable rod 64 to move upwards, the movable rod 64 drives the extrusion plate 65 to extrude the spring 66 upwards, the movable rod 64 moves upwards to drive the rubber plug 67 to move upwards, so that the blocking opening 602 is opened, and residual water in the centrifugal pump is discharged through the blocking opening 602 and the water discharging hole 62, so that the impeller 8 in the cavity of the centrifugal pump is prevented from being frozen due to low weather temperature, and the use is impossible.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a centrifugal pump with freeze protection effect, includes base (1) and pump case (3), its characterized in that: the novel water pump is characterized in that a motor (2) is fixedly installed at the top of the base (1), a transmission shaft (9) is fixedly installed at the output end of the motor (2), an impeller (8) is connected in the front end of the transmission shaft (9) in a penetrating mode, an outlet pipe (4) is installed on the upper side of the pump shell (3), a water inlet pipe (5) is installed on the front side of the pump shell (3), a heat preservation device (7) is arranged on the left side of the pump shell (3), and a water drainage device (6) is installed at the bottom of the pump shell (3).
2. A centrifugal pump with freeze protection according to claim 1, characterized in that: the inner wall of the pump shell (3) is internally provided with a heat-insulating clamping cavity (31).
3. A centrifugal pump with freeze protection according to claim 2, characterized in that: the heat preservation device (7) comprises a box body (71), a first oil pipe (74) and a second oil pipe (75) are fixedly connected to the upper side and the lower side of the right end of the box body (71), the first oil pipe (74) and the second oil pipe (75) are connected with the pump shell (3) and are communicated with the heat preservation clamping cavity (31), and an electric heating pipe (77) is installed on the inner wall of the box body (71).
4. A centrifugal pump with freeze protection according to claim 3, characterized in that: the novel stirring device is characterized in that a driving motor (73) is fixedly mounted at the top of the box body (71), a rotating shaft (76) is fixedly mounted at the output end of the driving motor (73), the lower end of the rotating shaft (76) penetrates through and extends into the box body (71), and a plurality of stirring blades (78) are fixedly mounted on the outer surface of the box body (71).
5. A centrifugal pump with freeze protection according to claim 1, characterized in that: the drainage device (6) comprises a fixed block (61), a movable rod (64) and a rubber plug (67), wherein the fixed block (61) is fixedly installed at the bottom of a pump shell (3), a blocking opening (602) communicated with the bottom wall of an inner cavity of the pump shell (3) is formed in the top of the fixed block (61), an equipment cavity (601) is formed in the lower side of the inside of the blocking opening (602), the rubber plug (67) is arranged in the blocking opening (602), the bottom of the blocking opening (602) is connected with the movable rod (64), the lower end of the movable rod (64) penetrates through the equipment cavity (601) and extends to the outside of the fixed block (61) and is fixedly provided with a handle (63), a spring (66) is sleeved on the outer surface of the movable rod (64) in the equipment cavity (601), a squeezing plate (65) is fixedly installed on the outer surface of the movable rod (64), the squeezing plate (65) is located in the equipment cavity (601) and located below the spring (66), and drainage holes (62) communicated with the outside are formed in two sides of the bottom of the blocking opening (602).
6. A centrifugal pump with antifreeze effect according to claim 5, characterized in that: the outer surface of the rubber plug (67) is tightly attached to the inner wall of the blocking opening (602).
7. A centrifugal pump with freeze protection according to claim 1, characterized in that: the heat insulation device is characterized in that a heat insulation ring (10) is sleeved on the outer surface of the water inlet pipe (5), a heat insulation cavity (101) is formed in the heat insulation ring (10), an electric heating wire (11) is arranged in the heat insulation cavity (101), and the electric heating wire (11) is wound outside the water inlet pipe (5).
8. A centrifugal pump with freeze protection according to claim 3, characterized in that: an oil inlet pipe (72) is arranged on the left side of the box body (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311848726.6A CN117927472A (en) | 2023-12-28 | 2023-12-28 | Centrifugal pump with freeze-proof effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311848726.6A CN117927472A (en) | 2023-12-28 | 2023-12-28 | Centrifugal pump with freeze-proof effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117927472A true CN117927472A (en) | 2024-04-26 |
Family
ID=90754872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311848726.6A Pending CN117927472A (en) | 2023-12-28 | 2023-12-28 | Centrifugal pump with freeze-proof effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117927472A (en) |
-
2023
- 2023-12-28 CN CN202311848726.6A patent/CN117927472A/en active Pending
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