CN210265146U - Gas-liquid mixing pump - Google Patents
Gas-liquid mixing pump Download PDFInfo
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- CN210265146U CN210265146U CN201921183755.4U CN201921183755U CN210265146U CN 210265146 U CN210265146 U CN 210265146U CN 201921183755 U CN201921183755 U CN 201921183755U CN 210265146 U CN210265146 U CN 210265146U
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Abstract
The utility model discloses a gas-liquid mixing pump, its have corrosion resistant wear resistance can the reinforce, the gas-liquid mixture is effectual, the characteristics that anti cavitation erosion ability is strong, and its technical scheme main points are including the pump body and the pump cover that are connected, the pump body is equipped with water inlet and inlet port including feed liquor chamber, wheel chamber and the play liquid chamber that communicate in proper order, the feed liquor intracavity, is equipped with the impeller in the wheel chamber, is equipped with the delivery port on the play liquid chamber, the impeller includes wheel body and blade, and the impeller is the wear-resisting ring of contradicting with wheel body both sides all to be equipped with on the pump body and the pump cover in the periphery of wheel body, the utility model is suitable for a gas-liquid.
Description
Technical Field
The utility model belongs to the technical field of the gas-liquid mixing pump.
Background
With the continuous emphasis of the country on the environmental protection problem, the sewage treatment industry develops rapidly, wherein the demand of a gas-liquid mixing pump for replacing air floatation equipment in the sewage treatment process also increases rapidly, but the existing gas-liquid mixing pump still has the defects of low gas containing efficiency, non-corrosion and abrasion resistance of products, short service life of the whole machine and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas-liquid mixing pump, it has corrosion resistant wear resistance reinforce, the gas-liquid mixture is effectual, the characteristics that anti cavitation erosion ability is strong.
The purpose of the utility model is realized like this: the utility model provides a gas-liquid mixing pump, includes the pump body and the pump cover that are connected, the pump body is equipped with water inlet and inlet port including feed liquor chamber, wheel chamber and the play liquid chamber that communicates in proper order on the feed liquor chamber, is equipped with the impeller in the wheel chamber, is equipped with delivery port, its characterized in that on going out the liquid chamber: the impeller includes wheel body and blade, and the impeller is the annular array and arranges on the periphery of wheel body, all is equipped with the wear ring of contradicting with wheel body both sides on the pump body and the pump cover.
The utility model discloses further set up to: the liquid inlet cavity is provided with a gas-liquid dispersion rib at the joint of the wheel cavity, the gas inlet hole is provided with a suction nozzle, and the gas outlet end of the suction nozzle is opposite to the gas-liquid dispersion rib.
The utility model discloses further set up to: the gas-liquid dispersion ribs are obliquely and straightly arranged, and the cross sections of the gas-liquid dispersion ribs are of semicircular structures.
The utility model discloses further set up to: the peripheral surface of the wheel body comprises two wheel surfaces which are obliquely arranged.
The utility model discloses further set up to: the wear-resistant ring and the pump body and the wear-resistant ring and the pump cover are connected through sunk screws.
The utility model discloses further set up to: the wear-resistant ring is made of polytetrafluoroethylene.
The utility model discloses further set up to: the water inlet and the water outlet are both hexagonal structures.
The utility model discloses further set up to: the pump cover is connected with the pump body through bolts, and a sealing ring is arranged between the pump cover and the pump body.
By adopting the technical scheme, the method has the following advantages: based on the characteristics of particle content and corrosivity of a conveyed medium, the wear-resistant rings made of materials with friction coefficients smaller than that of the base body but with wear resistance and corrosion resistance higher than that of the base body are additionally arranged at the sealing parts of the pump body and the pump cover, so that the overall wear resistance and corrosion resistance are improved, the wear-resistant rings can be repeatedly replaced in the whole service life of the pump without replacing the pump body and the pump cover, the practical service life of the pump is prolonged, and the maintenance cost is reduced;
the gas-liquid two-phase mixing effect of the product is improved by arranging the gas-liquid dispersion ribs and the suction nozzle;
the cavitation erosion resistance of the pump is improved through the structural design of the semi-open vortex impeller;
through the design of hexagonal water inlet and outlet appearance structure, the utility model is convenient for be used for the field installation.
Drawings
Fig. 1 is a schematic view of the radial inner structure of the present invention;
fig. 2 is a schematic view of the axial internal structure of the present invention;
FIG. 3 is an enlarged view of the portion B of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 from direction A-A;
fig. 5 is a schematic structural view of an impeller according to the present invention;
the reference numbers in the figures are: 1. a pump body; 2. a pump cover; 3. a liquid inlet cavity; 4. a wheel cavity; 5. a liquid outlet cavity; 6. a water inlet; 7. a water outlet; 8. an impeller; 9. a wheel body; 10. a blade; 11. a wear ring; 12. gas-liquid dispersion ribs; 13. a suction nozzle; 14. a wheel surface; 15. countersunk head screws; 16. and (5) sealing rings.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 5:
the utility model provides a gas-liquid mixing pump, includes the pump body 1 and the pump cover 2 that are connected, and pump body 1 is equipped with water inlet 6 and inlet port including feed liquor chamber 3, wheel chamber 4 and the play sap cavity 5 that communicates in proper order on the feed liquor chamber 3, is equipped with impeller 8 in the wheel chamber 4, is equipped with delivery port 7 on the play sap cavity 5, impeller 8 includes wheel body 9 and blade 10, and impeller 8 is the annular array and arranges in the periphery of wheel body 9, all is equipped with the wear ring 11 of contradicting with wheel body 9 both sides on the pump body 1 and the pump cover 2.
Annular grooves are formed in the pump body 1 and the pump cover 2 on the sides opposite to the end faces of the wheel body 9, the wear-resistant rings 11 are installed in the annular grooves, the wear-resistant rings 11 are made of materials with friction coefficients smaller than those of the pump body 1 and the pump cover 2 but with wear resistance and corrosion resistance stronger than those of the pump body 1 and the pump cover 2, the wear resistance and corrosion resistance of the whole pump are improved, the service life of the whole pump is prolonged, the wear-resistant rings 11 can be continuously replaced, and the maintenance cost is reduced; in addition, the outer diameter of the wheel body 9 of the impeller 8 is smaller than the maximum outer diameter of the impeller 8, and the connecting structure of the blades 10 and the impeller 8 forms a semi-open type impeller 8 structure, so that the cavitation erosion resistance is improved, and the problem that the existing closed vortex type impeller 8 is weak in cavitation erosion resistance is solved.
The liquid inlet cavity 3 is equipped with gas-liquid dispersion muscle 12 with the junction of wheel chamber 4, is equipped with the suction nozzle 13 on the inlet port, and the end of giving vent to anger of suction nozzle 13 is just right with gas-liquid dispersion muscle 12, and gas-liquid dispersion muscle 12 is the straight setting that inclines, and the cross-section of gas-liquid dispersion muscle 12 is semicircular structure, through the structural design to gas-liquid dispersion muscle 12 and suction nozzle 13, liquid and gas can be dispersed the remixing by gas-liquid dispersion muscle 12 before getting into in the wheel chamber 4, improve the double-phase mixing effect of gas-liquid.
The outer peripheral surface of wheel body 9 includes two wheel faces 14 that slope set up for gas-liquid can flow to wheel chamber 4 inner wall under impeller 8's drive, on returning impeller 8 through wheel chamber 4 inner wall, improves the gas-liquid mixture effect.
Wear-resisting ring 11 and pump body 1 and wear-resisting ring 11 and pump cover 2 between all be connected through being equipped with countersunk screw 15, be convenient for improve wear-resisting ring 11's installation stability, and be convenient for wear-resisting ring 11's dismantlement change.
The wear-resistant ring 11 is made of polytetrafluoroethylene, and the wear-resistant ring 11 made of the material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is good in corrosion resistance, low in friction coefficient and wear resistant.
The water inlet 6 and the water outlet 7 are both hexagonal structures, and are convenient to install on site.
Through being equipped with bolted connection between the pump cover 2 and the pump body 1, be convenient for dismantle between the pump cover 2 and the pump body 1, be equipped with sealing washer 16 between the pump cover 2 and the pump body 1, improve the leakproofness between the pump cover 2 and the pump body 1.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a gas-liquid mixing pump, includes the pump body (1) and pump cover (2) that are connected, and the pump body (1) is equipped with water inlet (6) and inlet port including feed liquor chamber (3), wheel chamber (4) and play liquid chamber (5) that communicate in proper order on feed liquor chamber (3), is equipped with impeller (8) in wheel chamber (4), is equipped with delivery port (7) its characterized in that on going out liquid chamber (5): impeller (8) are including wheel body (9) and blade (10), and impeller (8) are the annular array and arrange in the periphery of wheel body (9), all are equipped with wear ring (11) of contradicting with wheel body (9) both sides on pump body (1) and pump cover (2).
2. A gas-liquid mixing pump according to claim 1, characterized in that: the connection part of the liquid inlet cavity (3) and the wheel cavity (4) is provided with a gas-liquid dispersion rib (12), the air inlet hole is provided with a suction nozzle (13), and the air outlet end of the suction nozzle (13) is opposite to the gas-liquid dispersion rib (12).
3. A gas-liquid mixing pump according to claim 2, characterized in that: the gas-liquid dispersion ribs (12) are obliquely and straightly arranged, and the cross sections of the gas-liquid dispersion ribs (12) are of semicircular structures.
4. A gas-liquid mixing pump according to claim 1, characterized in that: the peripheral surface of the wheel body (9) comprises two obliquely arranged wheel surfaces (14).
5. A gas-liquid mixing pump according to claim 1, characterized in that: the wear-resistant ring (11) is connected with the pump body (1) and the wear-resistant ring (11) is connected with the pump cover (2) through sunk screws (15).
6. A gas-liquid mixing pump according to claim 1, characterized in that: the wear-resistant ring (11) is made of polytetrafluoroethylene.
7. A gas-liquid mixing pump according to claim 1, characterized in that: the shapes of the water inlet (6) and the water outlet (7) are both hexagonal structures.
8. A gas-liquid mixing pump according to claim 1, characterized in that: the pump cover (2) is connected with the pump body (1) through bolts, and a sealing ring (16) is arranged between the pump cover (2) and the pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183755.4U CN210265146U (en) | 2019-07-25 | 2019-07-25 | Gas-liquid mixing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183755.4U CN210265146U (en) | 2019-07-25 | 2019-07-25 | Gas-liquid mixing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265146U true CN210265146U (en) | 2020-04-07 |
Family
ID=70014317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921183755.4U Active CN210265146U (en) | 2019-07-25 | 2019-07-25 | Gas-liquid mixing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265146U (en) |
-
2019
- 2019-07-25 CN CN201921183755.4U patent/CN210265146U/en active Active
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