CN204877975U - Large -traffic shell pump that revolves - Google Patents
Large -traffic shell pump that revolves Download PDFInfo
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- CN204877975U CN204877975U CN201520568771.0U CN201520568771U CN204877975U CN 204877975 U CN204877975 U CN 204877975U CN 201520568771 U CN201520568771 U CN 201520568771U CN 204877975 U CN204877975 U CN 204877975U
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Abstract
The utility model discloses large -traffic shell pump that revolves belongs to shell pump field soon, has solved the current technical scheme who revolves the problem that the development and application of shell pump received the mechanical seal restriction, adoption: including driving motor, pump cover, the pump body, pump cover and pump body connection form an organic whole, and one side of the pump body is provided with into water flange, and driving motor fixes the gaseous pressurize intracavity portion that extends to pump cover and pump body formation at pump cover top and driving motor's motor shaft that sets up, and the end connection of motor shaft has shell assembly soon, and revolve the shell assembly and form by upper cover and lower cover, upper cover and motor shaft fixed connection, lower cover and upper cover fixed connection, the terminal cover groove ring down that forms of lower cover revolves and is provided with the collector tube assembly in the shell assembly, and the water law orchid is worn out to form out from the pump body by the lower extreme of collector tube assembly, the pump cover and revolve the shell assembly between the motor shaft on be provided with mechanical seal, be provided with water level probe on the pump body of gaseous pressurize chamber bottom, pump body side is provided with the electromagnetism pneumatic valve.
Description
technical field:
The utility model belongs to rotary case pump field, particularly relates to a kind of large discharge rotary case pump.
background technique:
Rotary case pump, also known as rotary jet pump, pitot tube pump, it is all very unique small flow high-pressure service pump of a kind of structure and working principle, it also utilizes centrifugal principle work, be the peripheral and outside of cover plate of impeller with the difference of common centrifugal pump be contacting with water, there is no the disc friction losses of Ordinary Centrifugal Pumps, therefore single-stage lift can accomplish more than km, and axial force is very little.
Existing rotary case pump structure is that intake pipe and outlet pipe are at same direction (concentric type), and mechanical seal is arranged between pump housing inner chamber and water intake, lean on during work be diameter larger revolve housing assy High Rotation Speed, water in intake impeller is pressurizeed by centrifugal force, and increase the linear velocity of liquid, impeller internal is provided with fixed liquid collecting pipe and guides to outside impeller by highly pressurised liquid, the liquid of high pressure high linear speed constantly reduces linear velocity through the liquid collecting pipe that continuous enlarged cross section is long-pending, be pressure energy by the kinetic transformation of the high speed of liquid, eventually pass water outlet to discharge.
Although existing rotary case pump efficiency is high, lift is high, but because mechanical seal is arranged between pump housing inner chamber and water intake, and pump inlet and outlet are arranged concentric, namely water intake and water outlet all will flow through through mechanical seal center, so the bore of rotary case pump cannot do greatly, flow can only be accomplished within 100 cubic meters/hour substantially, so application area is little, multistage pump and the centrifugal pump of large discharge cannot be replaced.
model utility content:
The utility model overcomes the deficiency that prior art exists, solve the problem of existing rotary case pump development and application by mechanical seal restriction, aim to provide a kind of large discharge rotary case pump, this rotary case pump, by mechanical seal being moved to pump cover from choma and revolving between housing assy, makes the import and export diameter of rotary case pump no longer limit by mechanical seal, can increase rotary case pump flow, additionally by change position, reduce the diameter of mechanical seal, reduce the wearing and tearing of mechanical seal, reduce rate of fault.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: large discharge rotary case pump, comprise drive motor, pump cover, the pump housing, pump cover and the pump housing are connected to form one, the side of the pump housing is provided with water-in flange, drive motor to be fixedly installed on above pump cover and the motor shaft of drive motor to extend to the gas pressurize chamber that pump cover and the pump housing formed inner, the end of motor shaft is connected with revolves housing assy, revolve housing assy to be made up of upper cover and lower cover, upper cover is fixedly connected with motor shaft, lower cover is fixedly connected with upper cover, the end of described lower cover forms lower cover choma, revolve in housing assy and be provided with liquid collecting pipe assembly, the lower end of liquid collecting pipe assembly passes formation water-output flange from the pump housing, described pump cover and be provided with mechanical seal on revolving between housing assy motor shaft, the pump housing bottom gas pressurize chamber is provided with water-level probe, pump housing side is provided with electromagnetic gas valve.
Further, the arranged outside of described mechanical seal has gland, gland is fixedly connected with pump cover and forms mechanical seal cooling water chamber between gland and pump cover, mechanical seal is positioned at described mechanical seal cooling water chamber, the both sides of mechanical seal cooling water chamber are provided with water-cooling tube, one end of water-cooling tube communicates with mechanical seal cooling water chamber, and the other end extends to pump cover outside and fixes with water-cooling tube joint.
Further, described electromagnetic gas valve external gas source.
Further, described source of the gas is air compressor, or is minisize air lift pump.
The utility model compared with prior art has following beneficial effect: the utility model is by moving to pump cover by mechanical seal from choma and revolving on the motor shaft between housing assy, the import and export diameter of rotary case pump is not limited by mechanical seal, thus realizes the bigbore rotary case pump of large discharge.Make the development of rotary case pump break away from the restriction of mechanical seal, increase the application industry of rotary case pump, in addition, by changing the position of mechanical seal, can reduce the diameter of mechanical seal, reducing the linear velocity of mechanical seal rubbing surface, elevating mechanism seals working life.
accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the structural representation of the utility model large discharge rotary case pump.
In figure: 1 is drive motor, 2 is pump cover, and 3 is the pump housing, and 4 is water-in flange, 5 is motor shaft, and 6 is gas pressurize chamber, and 7 is upper cover, and 8 is lower cover, 9 is lower cover choma, and 10 is impeller tightening nut, and 11 is liquid collecting pipe assembly, 12 is water-output flange, and 13 is mechanical seal, and 14 is water-level probe, 15 is electromagnetic gas valve, and 16 is gland, and 17 is mechanical seal cooling water chamber, 18 is water-cooling tube, and 19 is water-cooling tube joint, 20 pressurized gas interfaces.
embodiment:
As shown in Figure 1, large discharge rotary case pump, comprise drive motor 1, pump cover 2, the pump housing 3, pump cover 2 and the pump housing 3 are connected to form one, the side of the pump housing 3 is provided with water intake, water inlet is preset with water-in flange 4, drive motor 1 is fixedly installed on above pump cover 2 and the motor shaft 5 of drive motor 1 extends to the inside, gas pressurize chamber 6 that pump cover 2 is formed with the pump housing 3, the end of motor shaft 5 is connected with revolves housing assy, revolve housing assy to be made up of upper cover 7 and lower cover 8, upper cover 7 is fixedly connected with motor shaft 5 by impeller tightening nut 10, lower cover 8 and upper cover about 7 are fastened and connected and the end of lower cover 8 forms lower cover choma 9, revolve in housing assy and be provided with liquid collecting pipe assembly 11, the lower end of liquid collecting pipe assembly 11 passes formation water outlet from the pump housing 3, water outlet is preset with water-output flange 12, pump cover 2 and be provided with mechanical seal 13 on revolving between housing assy motor shaft 5, the pump housing 3 bottom gas pressurize chamber 6 is provided with water-level probe 14, the pump housing 3 side is provided with electromagnetic gas valve 15, electromagnetic gas valve 15 is connected by pressurized gas interface 20 and external gas source.
Rotary case pump of the present utility model in use; the water level height leaked from choma is controlled by electromagnetic gas valve 15; ensure to revolve the fricting resistance loss that housing assy housing parts does not have water; if pump water inlet mouth is negative pressure state when rotary case pump runs; electromagnetic gas valve 15 is closed; ensure that water intake can not suck air; if water intake has pressure; water enters air protection chamber; it is inner to air protection chamber that water-level probe 14 will detect water logging; now electromagnetic gas valve 15 is opened, until when water level is lower than water-level probe 14, just electromagnetic gas valve 15 is closed.
The external gas source of electromagnetic gas valve 15 is air compressor, or is minisize air lift pump.As long as the pressure of external gas source exceedes the pressure of water intake.If under being used in the operating mode of inhaling journey, also can without source of the gas.Due to this rotary case pump need with the flow of source of the gas and pressure very little, so also can job requirement be reached with minisize air lift pump.
In order to increase the Cooling and Lubricator effect of mechanical seal 13, gland 16 is had in the arranged outside of mechanical seal 13, gland 16 is fixedly connected with pump cover 2 and forms mechanical seal cooling water chamber 17 between gland 16 and pump cover 2, mechanical seal 13 is positioned at described mechanical seal cooling water chamber 17, the both sides of mechanical seal cooling water chamber 17 are provided with water-cooling tube 18, one end of water-cooling tube 18 communicates with mechanical seal cooling water chamber 17, and it is outside fixing with water-cooling tube joint 19 that the other end extends to pump cover 2.Water in mechanical seal cooling water chamber 17 is used for providing cooling and lubricating effect to mechanical seal 13, and cooling water source can be provided by outside, or is provided by rotary case pump itself.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (4)
1. large discharge rotary case pump, comprise drive motor (1), pump cover (2), the pump housing (3), pump cover (2) and the pump housing (3) are connected to form one, the side of the pump housing (3) is provided with water-in flange (4), drive motor (1) is fixedly installed on pump cover (2) top and the motor shaft (5) of drive motor (1) extends to the inside, gas pressurize chamber (6) that pump cover (2) is formed with the pump housing (3), the end of motor shaft (5) is connected with revolves housing assy, revolve housing assy to be made up of upper cover (7) and lower cover (8), upper cover (7) is fixedly connected with motor shaft (5), lower cover (8) is fixedly connected with upper cover (7), the end of described lower cover (8) forms lower cover choma (9), revolve in housing assy and be provided with liquid collecting pipe assembly (11), the lower end of liquid collecting pipe assembly (11) passes from the pump housing (3) and forms water-output flange (12), it is characterized in that: described pump cover (2) and be provided with mechanical seal (13) on revolving between housing assy motor shaft (5), the pump housing (3) of bottom, gas pressurize chamber (6) is provided with water-level probe (14), the pump housing (3) side is provided with electromagnetic gas valve (15).
2. large discharge rotary case pump according to claim 1, it is characterized in that: the arranged outside of described mechanical seal (13) has gland (16), gland (16) is fixedly connected with pump cover (2) and forms mechanical seal cooling water chamber (17) between gland (16) and pump cover (2), mechanical seal (13) is positioned at described mechanical seal cooling water chamber (17), the both sides of mechanical seal cooling water chamber (17) are provided with water-cooling tube (18), one end of water-cooling tube (18) communicates with mechanical seal cooling water chamber (17), it is outside fixing with water-cooling tube joint (19) that the other end extends to pump cover (2).
3. large discharge rotary case pump according to claim 1 and 2, is characterized in that: described electromagnetic gas valve (15) external gas source.
4. large discharge rotary case pump according to claim 3, is characterized in that: described source of the gas is air compressor, or is minisize air lift pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568771.0U CN204877975U (en) | 2015-08-01 | 2015-08-01 | Large -traffic shell pump that revolves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568771.0U CN204877975U (en) | 2015-08-01 | 2015-08-01 | Large -traffic shell pump that revolves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204877975U true CN204877975U (en) | 2015-12-16 |
Family
ID=54822354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520568771.0U Expired - Fee Related CN204877975U (en) | 2015-08-01 | 2015-08-01 | Large -traffic shell pump that revolves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204877975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071597A (en) * | 2016-11-17 | 2018-05-25 | 清华大学 | Power combination liquid delivery pump |
| TWI832305B (en) * | 2022-06-24 | 2024-02-11 | 大井泵浦工業股份有限公司 | Leak-proof pump |
-
2015
- 2015-08-01 CN CN201520568771.0U patent/CN204877975U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071597A (en) * | 2016-11-17 | 2018-05-25 | 清华大学 | Power combination liquid delivery pump |
| TWI832305B (en) * | 2022-06-24 | 2024-02-11 | 大井泵浦工業股份有限公司 | Leak-proof pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |