CN117366011A - Needle impeller for protein separation and gas-liquid mixing pump comprising same - Google Patents
Needle impeller for protein separation and gas-liquid mixing pump comprising same Download PDFInfo
- Publication number
- CN117366011A CN117366011A CN202311541533.6A CN202311541533A CN117366011A CN 117366011 A CN117366011 A CN 117366011A CN 202311541533 A CN202311541533 A CN 202311541533A CN 117366011 A CN117366011 A CN 117366011A
- Authority
- CN
- China
- Prior art keywords
- needle
- impeller
- blades
- gas
- liquid mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 102000004169 proteins and genes Human genes 0.000 title claims abstract description 26
- 108090000623 proteins and genes Proteins 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 title claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012530 fluid Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 238000005086 pumping Methods 0.000 abstract description 6
- 238000011144 upstream manufacturing Methods 0.000 abstract description 3
- 235000018102 proteins Nutrition 0.000 description 10
- 238000005187 foaming Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000004252 protein component Nutrition 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a needle impeller for separating protein and a gas-liquid mixing pump, which comprises an impeller disc with a central shaft hole, wherein a plurality of groups of needle blades which are arranged according to involute rules are formed on one side surface of the impeller disc, each group of needle blades consists of a plurality of needle blades which are arranged at intervals, each needle blade is arranged along the direction parallel to the axis of the central shaft hole, and each needle blade is in a polygonal prism shape. According to the utility model, the needle blades are arranged in an involute manner, each needle blade adopts a non-circular polygonal column structure, on one hand, in the rotation direction, the upstream surface direction of most of the polygonal column needle blades is perpendicular to water flow, so that larger water-shifting surface area and better water-shifting effect can be obtained, the pumping pressure is increased, the pressure drop value of the pump along with the increase of depth is small, the deep water treatment requirement is met, on the other hand, the edges of the needle blades of the prismatic structure realize better cutting and splitting of bubbles, so that a larger quantity of finer bubbles can be formed, and the device has an important effect on the performance improvement of the gas-liquid mixing pump and the protein separator.
Description
Technical field:
the utility model relates to the technical field of pumps and motor equipment, in particular to a needle type impeller and a gas-liquid mixing pump containing the needle type impeller.
The background technology is as follows:
the water of circulating water culture and the sewage of certain environments contain a large amount of protein components, such as algae residues, fine colloidal impurities, biological excreta and the like, and are required to be treated and separated in time. The existing protein separator mainly utilizes a mode that a gas-liquid mixing pump generates a large amount of bubbles in water, utilizes the surface tension effect of the bubbles to enable proteins, floccules and the like to be attached to the bubbles and float to the water surface by means of the buoyancy of the bubbles, accumulates into a large amount of bubbles, separates the bubbles and then carries out additional treatment, so that the water quality of the water body is kept at a certain level to maintain the requirements of circulating culture and the like.
Therefore, how to generate bubbles in a water body is the key of a protein separator, chinese patent No. 202926707U discloses a water pump needle brush impeller, and needle blades of the needle brush impeller are all of a cylindrical needle column structure, so that on one hand, the effective water stirring area is small, the water resistance is small, the pumping pressure is reduced along with the increase of the water depth, the greater the pumping pressure is lowered, the water body treatment with the water depth of more than 1 meter is difficult to meet, on the other hand, the cylindrical needle structure is difficult to generate collision and poor splitting effects on bubbles in a gas-liquid mixing pump, and therefore, a large number of tiny bubbles cannot be formed, and the foaming effect is poor.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art, provide a needle type impeller for protein separation and a gas-liquid mixing pump containing the needle type impeller, and solve the problems that the existing needle type impeller is poor in bubble effect, insufficient in pumping pressure, difficult to adapt to working environments with water depth of more than 1 meter and the like.
The technical scheme adopted by the utility model is as follows: the needle impeller for protein separation includes one impeller disc with central shaft hole, and several groups of needle blades in involute form and with each group of needle blades comprising several spaced needle blades set in the direction parallel to the central shaft hole and in polygonal prism form.
Further, a first hollowed-out part penetrating through the impeller disc is formed in the impeller disc in the bottom area between the adjacent needle blades of each group of needle blades.
Further, a second hollowed-out part penetrating through the impeller disc is also arranged on the impeller disc and in the area between each group of adjacent needle blades;
further, a reinforcing rib is connected between adjacent needle blades in each group of needle blades.
Further, the needle leaves are in a quadrangular prism shape, and the distance between the adjacent needle leaves is equivalent to the average width of the needle leaves.
Further, a notch is provided at the peripheral edge of the impeller plate between adjacent needle blades.
The utility model also provides a gas-liquid mixing pump, which comprises a gas-liquid mixing pump body and the needle impeller for separating protein.
In the gas-liquid mixing pump, the radial section of the central shaft hole of the needle impeller is in a D shape and is connected with the output shaft of the gas-liquid mixing pump body; the axial end of the impeller cavity shell of the gas-liquid mixing pump body is provided with a steam-water mixed fluid suction inlet axially opposite to the needle impeller, the side part of the impeller cavity shell is provided with a tangential steam bubble jet opening, after the steam-water mixed fluid enters from the suction inlet, the steam-water mixed fluid is repeatedly crushed through the needle impeller, and finer steam bubbles are formed and sprayed into a reaction bin of the protein separator, so that a better protein separation effect is realized.
The utility model also provides a protein separator which comprises the gas-liquid mixing pump.
According to the utility model, the needle type blades are arranged in an involute manner, each needle blade is in a non-circular polygon prism structure, on one hand, in the rotating direction, the upstream surface direction of most polygon prism needle blades is perpendicular to water flow (water flows out from gaps among needle blades of the previous group of needle type blades), so that larger water-poking surface area and better water-poking effect can be obtained, more sufficient air suction amount and water flow are maintained, the pumping pressure is increased, the pressure drop value of the pump along with the increase of depth is small, the deep water treatment requirement can be better met, on the other hand, the edge of the needle blade of the prism structure can realize better cutting and splitting of bubbles in the high-speed rotating process of the impeller, so that a larger quantity of finer bubbles can be formed, better foaming effect can be obtained, and the impeller has an important role in improving the performances of the gas-liquid mixing pump and the protein separator.
Description of the drawings:
fig. 1 and 2 are schematic perspective views of a needle impeller according to the present utility model;
FIGS. 3 and 4 are schematic plan views of the needle impeller of the present utility model;
FIG. 5 is a schematic plan view of another embodiment needle impeller;
fig. 6 is a schematic structural view of the gas-liquid mixing pump of the present utility model.
The specific embodiment is as follows:
as shown in fig. 1, 2 and 3, the present utility model is a needle impeller, which comprises an impeller disc 1 having a central shaft hole 10, a plurality of groups of needle blades 11 arranged in an involute rule are formed on one side surface of the impeller disc 1, each group of needle blades 11 is composed of a plurality of needle blades 111 arranged at intervals, each needle blade 111 is arranged in a direction parallel to the axis of the central shaft hole 10, and each needle blade 111 has a polygonal prism shape.
Further, a first hollow portion 101 penetrating through the impeller disc 1 is formed in the impeller disc 1 at a bottom area between the adjacent needle blades 111 of each group of needle blades 11, and the shape of the first hollow portion 101 is equal to the radial cross-sectional shape of the needle blade 111, and is also arranged at intervals. The design of the first hollowed-out part 101 can increase the flow passage of the mixed fluid of the impeller disc 1 and the steam-water, further strengthen the effect of cutting and splitting bubbles, and provide a better demolding mode for the needle impeller to adopt die production, so that the product can be conveniently produced in batches with high efficiency.
Further, as shown in fig. 5, a second hollow portion 102 penetrating through the impeller disc 1 is also formed on the impeller disc 1 in a region between each adjacent group of needle blades 11, and the second hollow portion 102 has the same function as the first hollow portion 101, so that the foaming effect can be further enhanced;
further, the reinforcing ribs 112 are connected between the adjacent needle blades 11 in each group of needle blades 11, so that the strength of the needle blades 111 and the whole group of needle blades 11 can be improved, and the service life of the needle impeller is longer.
Further, the needle leaves 111 are in a quadrangular prism shape, and the interval between the adjacent needle leaves 111 is equivalent to the average width of the needle leaves 111; the needles at both ends of each set of needle blades 11 may be of other polygonal shapes to suit the installation needs.
Further, a notch 103 is provided between adjacent needle blades at the peripheral edge of the impeller plate 1, and the notch 103 can further enhance the foaming effect.
As shown in fig. 6, the utility model also provides a gas-liquid mixing pump, which comprises a gas-liquid mixing pump body 2 and the needle impeller. In the gas-liquid mixing pump, the radial section of the central shaft hole 10 of the needle impeller is in a D shape and is connected with the output shaft 21 of the gas-liquid mixing pump body 2; the axial end of the impeller chamber housing 22 of the gas-liquid mixing pump body 2 is provided with a gas-water mixed fluid suction port 221 axially opposed to the needle impeller, and the side of the impeller chamber housing 22 is provided with a tangential bubble jet port 222.
When the gas-liquid mixing pump is used in a protein separator, the venturi tube 3 is additionally arranged at the suction inlet 221 to feed water and air, and after the steam-water mixed fluid enters from the suction inlet 221, the steam-water mixed fluid is repeatedly crushed by the needle impeller to form finer bubbles to be sprayed into a reaction bin of the protein separator, so that a better protein separation effect is realized.
According to the utility model, the needle type blades are arranged in an involute manner, each needle blade is in a non-circular polygon prism structure, on one hand, in the rotating direction, the upstream surface direction of most polygon prism needle blades is perpendicular to water flow, namely, water flows out from gaps between needle blades of the front group of needle type blades, and is opposite to the needle blades of the rear group of needle type blades, so that a larger water-poking area and a better water-poking effect can be obtained, more sufficient air suction amount and water flow are maintained, the pumping pressure is increased, the pressure drop value of the pump along with the increase of depth is small, the deep water treatment requirement can be better met, on the other hand, in the high-speed rotating process of the impeller, the edges of the needle blades of the prism structure realize better cutting and splitting of bubbles, so that a larger and finer bubbles can be formed, a better foaming effect is obtained, and the important effect is achieved on the performance improvement of the gas-liquid mixing pump and the protein separator.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (9)
1. A needle impeller for protein separation comprising an impeller plate having a central shaft bore, characterized in that: a plurality of groups of needle blades are formed on one side surface of the impeller disc and are arranged according to involute rules, each group of needle blades consists of a plurality of needle blades which are arranged at intervals, each needle blade is arranged along the direction parallel to the axis of the central shaft hole, and each needle blade is in a polygonal prism shape.
2. The needle impeller for protein separation according to claim 1, wherein: a first hollowed-out part penetrating through the impeller disc is formed in the impeller disc in the bottom area between the adjacent needle blades of each group of needle blades.
3. The needle impeller for protein separation according to claim 1 or 2, wherein: and a second hollowed-out part penetrating through the impeller disc is also arranged on the impeller disc in the area between each group of adjacent needle blades.
4. The needle impeller for protein separation according to claim 1, wherein: the adjacent needle leaves in each group of needle leaves are connected with reinforcing ribs.
5. The needle impeller for protein separation according to claim 1, wherein: the needle leaves are in a quadrangular prism shape, and the distance between the adjacent needle leaves is equivalent to the average width of the needle leaves.
6. The needle impeller for protein separation according to claim 1, wherein: a notch is arranged between adjacent needle blades at the peripheral edge of the impeller plate.
7. The utility model provides a gas-liquid mixing pump, includes gas-liquid mixing pump body, its characterized in that: further comprising the needle impeller for protein separation according to any one of claims 1 to 6.
8. The gas-liquid mixing pump according to claim 7, wherein: the radial section of the central shaft hole of the needle impeller is D-shaped and is connected with the output shaft of the gas-liquid mixing pump body; the axial end of the impeller cavity shell of the gas-liquid mixing pump body is provided with a steam-water mixed fluid suction inlet axially opposite to the needle impeller, and the side part of the impeller cavity shell is provided with a tangential bubble jet orifice.
9. A protein separator comprising the gas-liquid mixing pump of any one of claims 7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311541533.6A CN117366011A (en) | 2023-11-17 | 2023-11-17 | Needle impeller for protein separation and gas-liquid mixing pump comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311541533.6A CN117366011A (en) | 2023-11-17 | 2023-11-17 | Needle impeller for protein separation and gas-liquid mixing pump comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117366011A true CN117366011A (en) | 2024-01-09 |
Family
ID=89402432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311541533.6A Pending CN117366011A (en) | 2023-11-17 | 2023-11-17 | Needle impeller for protein separation and gas-liquid mixing pump comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117366011A (en) |
-
2023
- 2023-11-17 CN CN202311541533.6A patent/CN117366011A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |