CN119982683B - Sand filtering device and water pump - Google Patents
Sand filtering device and water pumpInfo
- Publication number
- CN119982683B CN119982683B CN202510454470.3A CN202510454470A CN119982683B CN 119982683 B CN119982683 B CN 119982683B CN 202510454470 A CN202510454470 A CN 202510454470A CN 119982683 B CN119982683 B CN 119982683B
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- sand
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- flow passage
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Abstract
本申请涉及一种滤沙装置及水泵，涉及水泵的技术领域，包括外筒和设置在外筒内的过滤机构，所述的过滤机构包括内筒，所述的内筒上设有环形流道，所述的环形流道上开设有排沙通道，所述的内筒和所述的外筒构成存沙腔，所述的排沙通道和所述的存沙腔相连通。本申请具有能够减低进入水泵叶轮内的含沙量的优点。
This application relates to a sand filter device and a water pump, and relates to the technical field of water pumps. The device comprises an outer cylinder and a filter mechanism disposed within the outer cylinder. The filter mechanism comprises an inner cylinder, the inner cylinder being provided with an annular flow channel, the annular flow channel being provided with a sand discharge channel, the inner cylinder and the outer cylinder forming a sand storage chamber, and the sand discharge channel being connected to the sand storage chamber. This device has the advantage of being able to reduce the amount of sand entering the water pump impeller.
Description
Technical Field
The application relates to the technical field of water pumps, in particular to a sand filtering device and a water pump.
Background
The water pump, especially the well pump, often enters the working parts due to sand and the like in the environment in the use process, and the sand is easy to cut the working parts and the like and abrade through the working parts and the like along with the high-speed rotation of the water flow in the high-speed rotation process of the impeller, so that the performance of the water pump is reduced or damaged.
Disclosure of Invention
In view of the shortcomings of the prior art, one of the purposes of the present application is to provide a sand filtering device and a water pump, which have the advantage of reducing the sand content entering the impeller of the water pump.
The above object of the present application is achieved by the following technical solutions:
The utility model provides a sand filtering device, includes filtering mechanism, filtering mechanism include the inner tube, the inner tube on be equipped with annular runner, annular runner include a plurality of helicla flute, a plurality of helicla flute connects gradually and is the helicla flute, annular runner be equipped with the sand channel that arranges, the sand channel that arranges is located adjacent helicla flute's axial contact department or is located the below that the helicla flute is close to the cell wall of the axial contact department of two helicla flute.
Through adopting above-mentioned technical scheme, in the in-use, water gets into in the inner tube to realize annular flow through annular runner, in annular flow in-process, under the effect of centrifugal force, impurity such as sand can gather and discharge through the sediment outflow passageway, thereby can realize reducing the purpose of getting into the sediment content in the water pump impeller.
The application can be further configured in a preferred example that the inner cylinder comprises a supporting cylinder and a filtering part, wherein the filtering part is positioned outside the supporting cylinder and connected with the supporting cylinder to form an annular flow passage, the supporting cylinder is provided with an overflow hole communicated with the annular flow passage, and the sand discharge passage is communicated with the annular flow passage.
By adopting the technical scheme, namely, in use, liquid enters the annular flow passage through the overflow hole and the annular flow passage is arranged in the annular flow passage.
The present application may be further configured in a preferred embodiment such that the number of annular flow passages is at least one.
Through adopting above-mentioned technical scheme, the accessible sets up how many annular flow ways and makes the rivers that get into annular flow way more, and the helical pitch is bigger, and the resistance that climbs of rivers increases, then silt more easily breaks away from the rivers and is separated.
The application can be further configured in a preferred example to further comprise an outer cylinder, wherein the filtering mechanism is arranged in the outer cylinder, and a sand storage cavity is formed between the outer cylinder and the inner cylinder.
By adopting the technical scheme, the sediment filtered out can be gathered by the existence of the sediment storage cavity.
The application can be further configured in a preferred example that the spiral groove comprises a sand retaining groove, the sand retaining groove is positioned at one side of the annular flow passage far away from the supporting cylinder, the sand retaining groove is communicated with the sand discharging channel, and the sand retaining groove is the lowest end of the spiral groove.
Through adopting above-mentioned technical scheme, the existence of stay sand groove that is located the minimum can reduce the probability that silt reenters into rivers under the effect of rivers.
The application may in a preferred embodiment be further arranged that the filter portion comprises a plurality of connected spirals comprising a connecting body and a contact member, the contact member being connected to the connecting body, the connecting member of one contact member and the connecting member of the other spiral forming the sand discharge channel.
By adopting the technical scheme, the sediment discharge channel is arranged under the sediment discharge channel, and sediment is discharged more easily.
The application can be further configured in a preferred example to further comprise a pressurizing mechanism, wherein the pressurizing mechanism is arranged at the water inlet end and/or the water outlet end of the outer cylinder, the pressurizing mechanism comprises a rotating shaft and a pressurizing wheel, and the rotating shaft extends into the inner cylinder.
Through adopting above-mentioned technical scheme, the existence of booster mechanism can reduce the hydraulic loss that separates the silt and cause.
The application may in a preferred embodiment be further configured such that said shaft and said inner barrel form a partial or dynamic water seal.
Through adopting above-mentioned technical scheme, through forming local or dynamic water seal promptly for can play better silt removal effect to the rivers that silt volume is more.
In a preferred example, the application can be further configured that the inner cylinder comprises a supporting cylinder, the annular flow passage is arranged on the outer wall surface of the supporting cylinder, the inner diameter of the supporting cylinder is R 1, the outer diameter of the supporting cylinder is R 2, the distance from the outer wall surface of the annular flow passage to the axis is R 3, and the distance between the supporting cylinder and the rotating shaft is B, so that pi (R 1 2-(R1-B)2)≤π(R3 2-R2 2) is satisfied.
By adopting the technical scheme, when the sediment amount is lower, a mode that a space exists between the inner cylinder and the rotating shaft can be adopted.
The application also discloses a water pump, which adopts the sand filtering device, and the sand filtering device is arranged at the front part of the inlet of the water pump.
The application has the following advantages:
1. The spiral annular flow channel and the sand discharge channel are arranged, so that the sediment is discharged due to the impact, gravity and other actions in the advancing process of the water flow in the annular flow channel;
2. the existence of the sand retaining groove reduces the probability of sediment reentering the water flow due to the subsequent water flow action;
3. a relatively stable environment is formed between the sand storage cavity and the inner cylinder, so that sediment accumulation is facilitated;
4. When the inner wall of the supporting cylinder is contacted with the rotating shaft/connecting piece or has a small gap, water flow acted by the inducer enters the annular flow channel, so that the capability of filtering sediment is improved;
5. when a space (not smaller gap) is formed between the inner wall of the supporting cylinder and the rotating shaft/connecting piece, the split flow which directly passes through the filtering device is converged at the water outlet end of the annular flow channel and the opening end of the sand collecting cylinder, and then the flow velocity is increased and the flow quantity is supplemented;
6. The pressurizing wheel is arranged to provide initial annular quantity (circulation) to counteract the loss generated by the annular flow passage, and the cavitation resistance of the water pump can be improved;
7. The modularized sand filtering device is convenient to assemble and disassemble and can be used for different combinations according to actual scenes.
Drawings
FIG. 1 is a schematic view of the internal structure of the outer cylinder of the present application.
FIG. 2 is a schematic view of the explosive structures of the outer and inner barrels of the present application.
FIG. 3 is a schematic view of the internal structure of the pressurizing mechanism and the filtering mechanism of the present application.
Fig. 4 is a schematic view of a water pump with a filter device according to the present application.
The device comprises the following components of a reference numeral 1, an outer cylinder, 11, a sand storage cavity, 12, a discharge hole, 2, a filtering mechanism, 21, a supporting cylinder, 211, an overflow hole, 22, a filtering part, 221, a transverse plate, 222, a connecting wall, 223, a vertical side wall, 224, a sand discharge channel, 225, a sand retaining groove, 23, an annular flow channel, 3, a pressurizing mechanism, 31, a rotating shaft, 32 and a pressurizing wheel.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, a sand filtering device disclosed by the application comprises a pressurizing mechanism 3, an outer cylinder 1 and a filtering mechanism 2 arranged in the outer cylinder 1, wherein the filtering mechanism 2 comprises an inner cylinder, the inner cylinder comprises a supporting cylinder 21 and a filtering part 22, and one or more filtering parts 22 are spirally wound on the supporting cylinder 21 in a ring shape to form at least one ring-shaped flow channel 23. When the number of the annular flow passages 23 is plural, it may be in the form of a multi-headed spiral. The support cylinder 21 is provided with at least one flow-through hole 211, and the flow-through hole 211 is communicated with the annular flow passage 23.
The annular flow passage 23 is provided with a sand discharge passage 224, the inner cylinder and the outer cylinder 1 form a sand storage cavity 11, and the sand discharge passage 224 is communicated with the sand storage cavity 11. The annular flow channel 23 comprises a plurality of spiral grooves (namely, the annular flow channel 23 is spirally arranged, a single spiral is regarded as the spiral groove), the spiral groove comprises a sand retaining groove 225, the sand retaining groove 225 is positioned on one side, close to the outer barrel 1, of the annular flow channel 23, the sand retaining groove 225 is communicated with the sand discharging channel 224, the sand retaining groove 225 is the lowest end of the spiral groove, the bottom of the sand storage cavity 11 is obliquely arranged, the lowest point is provided with a discharge hole 12, and the discharge hole 12 discharges sediment to the outside of the water pump through a pipeline. Referring to fig. 1, the lowest end refers to the lowest end of the spiral groove in the schematic cross-sectional view of fig. 1.
The filter portion 22 includes a plurality of connected spirals (i.e., the filter portion 22 is spirally configured, with a single turn spiral being considered a spiral) that include connectors and contacts that are connected, with the connectors of one contact and the other spiral forming a sand discharge channel 224. The screw body comprises a transverse plate 221 and a vertical side wall 223, the transverse plate 221 and the vertical side wall 223 are connected through a connecting wall 222, the section of the connecting wall 222 can be arc-shaped or fold-line-shaped, at least one part of the vertical side wall 223 is a contact piece and is contacted with the connecting body (namely, the transverse plate 221 and the connecting wall 222 or the transverse plate 221 and the connecting wall 222 and at least one part of the vertical side wall 223) of the next screw body. At this time, the connection body of the contact and the next screw forms a sand retaining groove 225, and the sand discharging channel 224 is formed by deformation of the contact. In this embodiment, the contact is an elastic member, such as a rubber material. In other embodiments, the contact member may be a non-elastic member, in which case the contact member is not in contact with the connecting body of the next screw, and a channel is formed between the contact member and the connecting body for allowing sediment to pass through, and the channel is the sediment discharge channel 224. The lower end of the sand storage cavity 11 is U-shaped, and the lowest contact piece extends into the sand storage cavity 11 and is close to or contacts with the inner wall of the sand storage cavity 11. When the contact is connected to the connection of the next screw, the sand discharge channel 224 is in the shape of a hole or a slot and is located at or near the junction of the two.
The pressurizing mechanism 3 is arranged at the water inlet end and/or the water outlet end of the outer cylinder 1, the pressurizing mechanism 3 comprises a rotating shaft 31 and a pressurizing wheel 32, the rotating shaft 31 stretches into the inner cylinder, and the pre-rotation direction of the pressurizing wheel 32 is the same as the rotation direction of the annular flow channel 23.
Assuming that the inner diameter of the support cylinder 21 is R 1, the outer diameter is R 2, the distance from the outer wall surface of the annular flow channel 23 to the axis is R 3, and the distance between the support cylinder 21 and the rotating shaft 31 is B, pi (R 1 2-(R1-B)2)≤π(R3 2-R2 2) is satisfied, that is, the annular axial projection area of the distance formed by the support cylinder 21 inward is not greater than the axial projection area of the annular flow channel 23. The shaft 31 and the inner cylinder form a partial or dynamic water seal, i.e. when B is small, e.g. B≤0.5 mm.
The shaft and/or the connecting shaft of the water pump extending into the support cylinder 21 should also be considered as part of the rotating shaft 31 when connected to the water pump.
The application also discloses a water pump, referring to fig. 4, comprising the sand filtering device, wherein the sand filtering device is arranged at the front part of the water inlet of the water pump, namely, the sand filtering device is indirectly or directly connected with the water pump, namely, the sand filtering device is positioned between a motor and a pump body, the pre-rotation direction of the booster wheel 32 is the same as the rotation direction of an impeller in the pump body, the rotating shaft 31 of the booster wheel 32 is coaxially connected with an output shaft of the motor and a pump shaft in a transmission way, and the sand filtering device is convenient to assemble and disassemble and can be used in different combinations according to actual scenes by arranging the modularized sand filtering device.
The implementation principle of the embodiment is that after the water flow passes through the booster wheel 32, the water flow enters the annular flow channel 23, the water flow in the flow channel enables sediment to enter the sediment storage cavity 11 due to the effects of impact, gravity and the like in the advancing process, the sediment is discharged from the discharge hole 12 under the effect of the bottom surface obliquely arranged in the sediment storage cavity 11, and a pipeline can be connected with the discharge hole 12 according to the requirement, so that the sediment is discharged to a proper position.
The embodiments of the present application are all preferred embodiments of the present application, and are not limited in scope by the present application, so that all equivalent changes according to the structure, shape and principle of the present application are covered by the scope of the present application.
Claims (8)
1. A sand filtering device is characterized by comprising a filtering mechanism (2), wherein the filtering mechanism (2) comprises an inner barrel, an annular flow passage (23) is arranged on the inner barrel, the annular flow passage (23) comprises a plurality of spiral grooves, the spiral grooves are sequentially connected to form a spiral shape, each annular flow passage (23) is provided with a sand discharging passage (224), each sand discharging passage (224) is located at an axial contact position of each adjacent spiral groove or below a groove wall of each spiral groove near the axial contact position of two spiral grooves, each spiral groove comprises a sand retaining groove (225), each sand retaining groove (225) is located on one side, far away from the supporting barrel (21), of the annular flow passage (23), each sand retaining groove (225) is communicated with each sand discharging passage (224), each sand retaining groove (225) is the lowest end of each spiral groove, each inner barrel comprises the supporting barrel (21) and a filtering part (22), each filtering part (22) comprises a plurality of connected spirals, each spiral body comprises a connector and a contact body, and one connector are connected with the other, and the connector and the other spiral bodies are connected with the other to form the other spiral passages (224).
2. A sand filtering device according to claim 1, wherein the filtering part (22) is located outside the supporting cylinder (21) and is connected with the supporting cylinder (21) to form an annular flow passage (23), the supporting cylinder (21) is provided with an overflow hole (211) communicated with the annular flow passage (23), and the sand discharging channel (224) is communicated with the annular flow passage (23).
3. A sand filter according to claim 1, wherein the number of the annular flow channels (23) is at least one.
4. The sand filtering device according to claim 1, further comprising an outer cylinder (1), wherein the filtering mechanism (2) is arranged in the outer cylinder (1), and a sand storage cavity (11) is formed between the outer cylinder (1) and the inner cylinder.
5. The sand filtering device according to claim 1, further comprising a pressurizing mechanism (3), wherein the pressurizing mechanism (3) is arranged at the water inlet end and/or the water outlet end of the outer barrel (1), the pressurizing mechanism (3) comprises a rotating shaft (31) and a pressurizing wheel (32), and the rotating shaft (31) extends into the inner barrel.
6. A sand filtering device according to claim 5, wherein the shaft (31) and the inner cylinder form a partial or dynamic water seal.
7. The sand filter device according to claim 5, wherein the inner cylinder comprises a supporting cylinder (21), the annular flow passage (23) is arranged on the outer wall surface of the supporting cylinder (21), the inner diameter of the supporting cylinder (21) is R 1, the outer diameter of the supporting cylinder is R 2, the distance from the outer wall surface of the annular flow passage (23) to the axis is R 3, and the distance between the supporting cylinder (21) and the rotating shaft (31) is B, so that pi (R 1 2-(R1-B)2)≤π(R3 2-R2 2) is satisfied.
8. A water pump, characterized in that a sand filtering device according to any one of claims 1-7 is used, which is installed in front of the inlet of the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510454470.3A CN119982683B (en) | 2025-04-11 | 2025-04-11 | Sand filtering device and water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510454470.3A CN119982683B (en) | 2025-04-11 | 2025-04-11 | Sand filtering device and water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119982683A CN119982683A (en) | 2025-05-13 |
| CN119982683B true CN119982683B (en) | 2025-08-01 |
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ID=95647268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510454470.3A Active CN119982683B (en) | 2025-04-11 | 2025-04-11 | Sand filtering device and water pump |
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| Country | Link |
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| CN (1) | CN119982683B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204469295U (en) * | 2015-02-13 | 2015-07-15 | 武汉大学 | A kind of cylindrical helical stream Water-sand separator |
| CN107537701A (en) * | 2017-09-05 | 2018-01-05 | 中石化广州工程有限公司 | A kind of cyclonic separator |
| CN109322859A (en) * | 2018-12-05 | 2019-02-12 | 四川三台力达泵业有限公司 | A kind of centrifugal pump reducing damage in impeller |
| CN212838598U (en) * | 2020-08-10 | 2021-03-30 | 南洋泵业（青岛）有限公司 | Impeller rear end shell of sewage pump |
| CN219630739U (en) * | 2023-03-07 | 2023-09-05 | 六盘水嘉锐商品混凝土有限责任公司 | Waste water recovery processing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100601058B1 (en) * | 2004-04-01 | 2006-07-19 | 백인우 | Sand washing device |
| JP2006022652A (en) * | 2004-07-06 | 2006-01-26 | Hitachi Kiden Kogyo Ltd | Submersible sand pump |
| US10493390B2 (en) * | 2016-09-22 | 2019-12-03 | Andover Protection Systems, Llc | Air or gas cleaning blower with spiral separation chamber |
-
2025
- 2025-04-11 CN CN202510454470.3A patent/CN119982683B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204469295U (en) * | 2015-02-13 | 2015-07-15 | 武汉大学 | A kind of cylindrical helical stream Water-sand separator |
| CN107537701A (en) * | 2017-09-05 | 2018-01-05 | 中石化广州工程有限公司 | A kind of cyclonic separator |
| CN109322859A (en) * | 2018-12-05 | 2019-02-12 | 四川三台力达泵业有限公司 | A kind of centrifugal pump reducing damage in impeller |
| CN212838598U (en) * | 2020-08-10 | 2021-03-30 | 南洋泵业（青岛）有限公司 | Impeller rear end shell of sewage pump |
| CN219630739U (en) * | 2023-03-07 | 2023-09-05 | 六盘水嘉锐商品混凝土有限责任公司 | Waste water recovery processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119982683A (en) | 2025-05-13 |
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