CN220929799U - Rotary nozzle type sand-collecting jet pump - Google Patents
Rotary nozzle type sand-collecting jet pump Download PDFInfo
- Publication number
- CN220929799U CN220929799U CN202322713876.8U CN202322713876U CN220929799U CN 220929799 U CN220929799 U CN 220929799U CN 202322713876 U CN202322713876 U CN 202322713876U CN 220929799 U CN220929799 U CN 220929799U
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- Prior art keywords
- sand
- pipe
- nozzle
- mixing chamber
- jet pump
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- 239000004576 sand Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000007921 spray Substances 0.000 claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims description 10
- 238000012216 screening Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a rotary nozzle type sand-collecting jet pump, which belongs to the technical field of jet pump structures for sand collection and comprises a sand suction pipe, a working water pipe, a mixing chamber, a nozzle and a sand outlet pipe; the tail end of the sand suction pipe is connected with the mixing chamber, the front end of the working water pipe is connected with a water source, the tail end of the working water pipe is connected with the mixing chamber, and the nozzle is arranged at the tail end of the working water pipe and is positioned in the mixing chamber; the working water pipe is internally provided with a propeller and a connecting rod, and the propeller is fixedly connected with the nozzle through the connecting rod; the spray nozzles comprise rotating shafts and a plurality of spray heads, the rotating shafts are connected with the connecting rods, one ends of the spray heads are fixed in channels in the rotating shafts, and the number of the spray heads is the same as that of the channels; the sand outlet pipe is connected with the outlet of the mixing chamber; the utility model can form stronger negative high pressure through the novel nozzle, thereby improving the sand sucking capacity of the sand sucking pipe and further greatly improving the production efficiency of the jet pump.
Description
Technical Field
The utility model relates to a rotary nozzle type sand-collecting jet pump, and belongs to the technical field of jet pump structures for sand collection.
Background
Sea sand is an important building material and can be widely used for large engineering project construction and sea filling land making. The traditional sand collecting equipment utilizes a jet pump of a jet sand sucking ship to carry out high-pressure jet flow to generate synthetic mortar on a sand layer, and negative high pressure is formed in the equipment through water flow, so that the mortar is sucked into a storage cabin. The working water flow pressure is insufficient, and strong and effective negative high pressure cannot be formed, so that the sand sucking efficiency is low, and the production capacity is insufficient.
Disclosure of utility model
The utility model aims to provide a rotary nozzle type sand-collecting jet pump, which solves the problem of low working efficiency in the prior art.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a rotary nozzle type sand-collecting jet pump, which comprises a sand suction pipe, a working water pipe, a mixing chamber, a nozzle and a sand outlet pipe;
The tail end of the sand suction pipe is connected with the mixing chamber, the front end of the working water pipe is connected with a water source, the tail end of the working water pipe is connected with the mixing chamber, and the nozzle is arranged at the tail end of the working water pipe and is positioned in the mixing chamber;
The working water pipe is internally provided with a propeller and a connecting rod, and the propeller is fixedly connected with the nozzle through the connecting rod;
The spray nozzle comprises a rotating shaft and a plurality of spray heads, wherein the rotating shaft is connected with the connecting rod, one end of each spray head is fixed in a channel in the rotating shaft, and the number of the spray heads is the same as the number of the channels;
The sand outlet pipe is connected with an outlet of the mixing chamber.
Further, a screening net is arranged at the inlet of the front end of the sand suction pipe, and a plurality of pipelines are arranged inside the sand suction pipe.
Further, the front end of the sand sucking pipe is connected with a drill bit, the drill bit comprises a first driving motor, a second driving motor, a drill point, a fixed support and a telescopic bracket, the fixed support is fixedly connected with the front end of the sand sucking pipe, the drill point is connected with the fixed support through the telescopic bracket, the drill point is connected with the first driving motor, and the telescopic bracket is connected with the second driving motor.
Further, the nozzle further comprises a rotating shaft shell, a shell connector and a rotating ring, wherein the rotating ring is arranged between the rotating shaft shell and the rotating shaft, and the rotating shaft shell comprises a first shell and a second shell which are connected through the shell connector.
Further, the sand outlet pipe comprises a throat pipe and a diffusion pipe, wherein the throat pipe is connected with the mixing chamber, and an inlet of the diffusion pipe is connected with an outlet of the throat pipe.
Further, the hollow pipe further comprises an inner hollow chamber, a hollow pipe outer wall, a hollow chamber wall and water outlets, the hollow pipe is of a double-cylinder structure, the hollow pipe outer wall and the hollow chamber wall are cylinders with different diameters, the diameter of the hollow pipe outer wall is larger than that of the hollow chamber wall, the hollow pipe outer wall and the hollow chamber wall are internally hollow chambers, a plurality of water outlets are formed in the hollow chamber wall, and a conduit is arranged on the inner wall of the mixing chamber and connected with the inner hollow chamber.
Further, the inner diameter of the diffusion tube gradually expands from the inlet to the outlet.
Compared with the prior art, the utility model has the following beneficial effects:
According to the rotary nozzle type sand-collecting jet pump provided by the utility model, the screw propeller is rotated by the high-pressure water flow through the novel nozzle, so that the nozzle is driven to rotate, high-flow-speed high-pressure spiral flow can be formed, the contact area between the high-flow-speed high-pressure spiral flow and air in a mixing chamber is increased, the air is wrapped to flow in an accelerating manner, and stronger negative high pressure can be formed, so that the sand sucking capacity of the sand sucking pipe is improved, and the production efficiency of the jet pump is greatly improved.
Through the filter screen and the sand suction pipe with the porous section, the water sand mixed fluid can be effectively and stably sucked, sand grains with large particle sizes are isolated, the abrasion of the mixed fluid to the sand suction pipe is reduced, the maintenance and the replacement are reduced, and the service life of the jet pump is prolonged.
When the hard sand block or sand sucking pipe is blocked by the foreign matter on the river (sea) bed, the sand block or foreign matter can be broken by the drill bit at the end of the sand sucking pipe.
Water is guided to the hollow bin inside the throat through the guide pipe, then a water film with the same direction as the water-sand mixed fluid is formed through holes on the hollow bin wall, the effect of lubricating the pipeline is achieved, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a rotary nozzle type sand-collecting jet pump provided by the utility model;
FIG. 2 is a three-dimensional schematic of a nozzle provided by the present utility model;
FIG. 3 is a schematic view of a nozzle detail provided by the present utility model;
FIG. 4 is a schematic view of a detail of a drill bit provided by the present utility model;
FIG. 5 is a schematic view of the details of the throat provided by the present utility model.
In the figure: 1. a sand suction tube; 2. a working water pipe; 3. a mixing chamber; 4. a throat; 5. a diffusion tube; 6. a nozzle; 7. a porous section; 8. screening net; 9. a propeller; 10. a drill bit; 11. a connecting rod; 4-1, an internal empty bin; 4-2, the outer wall of the throat; 4-3, empty bin walls; 4-4, water outlet holes; 6-1, a spray head; 6-2, a rotating shaft shell; 6-3, a housing connector; 6-4, rotating shaft; 6-5, rotating the ring.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, and the following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not to be construed as limiting the scope of the present utility model.
In the description of the utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model; furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated; thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature; in the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; the specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, the rotary nozzle type sand-collecting jet pump comprises a sand suction pipe 1, a working water pipe 2, a mixing chamber 3, a throat pipe 4, a diffusion pipe 5, a nozzle 6, a screening net 8, a screw 9, a connecting rod 11 and a drill bit 10, wherein the front end of the sand suction pipe 1 is connected with the screening net 8, the rear end of the sand suction pipe is fixedly connected with the mixing chamber 3, the throat pipe 4 and the diffusion pipe 5 in sequence and mutually communicated, the nozzle 6 is arranged in the mixing chamber 3 and connected with the working water pipe 2, the working water pipe 2 is connected with a high-pressure water source, the screw 9 is connected with the nozzle 6 through the connecting rod 11, and the drill bit 10 is fixed outside the sand suction pipe 1.
The screening net 8 is arranged at the end head of the sand suction pipe 1, and the primary screening effect is achieved. After the machine is started, the machine is to be operated normally, and the sand suction pipe 1 is inserted into the seabed at an angle of about 60-70 degrees in a specified sea area, and passes through the water layer and the mud layer to reach an ideal sand layer. The sand sucking pipe 1 is externally connected with a drill bit 10, as shown in fig. 4, the drill bit 10 consists of a drill tip 10-1, a fixed support 10-2 and a telescopic support 10-3, and can move downwards and rotate along the sand sucking pipe under the action of a motor so as to break hard sand blocks or foreign matters.
The high-pressure water flowing water with certain pressure is injected from the working water pipe 2, so that a propeller 9 in the working water pipe 2 rotates at a high speed, the propeller 9 drives a rotating shaft 6-4 in a nozzle 6 to rotate through a connecting rod 11, the spray head 6-1 rotates, entrainment is generated between high-speed jet flow and air, the air in the mixing chamber 3 is taken away, negative high pressure is formed in the mixing chamber 3, and sand-water mixed fluid is sucked along a sand suction pipe. The sand with large grain size can be isolated by the preliminary screening of the screening net 8, and the sand-water mixed fluid enters through the sand suction pipe 1, and porous pore channels (shown as a porous section 7 in fig. 1) in the sand suction pipe 1 can play a role in buffering and stabilizing flow, so that the sand-water mixed fluid stably enters the mixing chamber 3, and the impact and abrasion to equipment are reduced.
As shown in fig. 2 and 3, the nozzle 6 is connected with the working water pipe 2, and the nozzle 6 is a three-nozzle type nozzle, comprising a nozzle 6-1, a rotating shaft housing 6-2, a housing connector 6-3, a rotating shaft 6-4 and a rotating ring 6-5. The inside of the nozzle is provided with a rotating shaft 6-4 with three channels, a rotating ring 6-5 is arranged on a rotating shaft shell 6-2, and a spray head 6-1 is correspondingly connected with the channels of the rotating shaft 6-4 in the nozzle 6. The high-pressure water flow is injected from the working water pipe 2 to the three channels in the rotating shaft, and is emitted from the spray heads of the corresponding channels, the rotating shaft shells 6-2 are fixedly connected through the shell connectors 6-3, and the rotating rings 6-5 on the outer wall of the rotating shaft rotate to drive the rotating shaft 6-4 to rotate, so that the water flow at the spray heads 6-1 of the spray nozzles 6 presents spiral spray rotating flow, air in the pipes is taken away more quickly, and negative pressure is accelerated.
As shown in FIG. 5, the throat 4 comprises an inner empty bin 4-1, a throat outer wall 4-2, an empty bin wall 4-3 and a water outlet 4-4. The inner wall of the mixing chamber 3 is provided with a conduit 3-1 which is connected with a throat 4 and is connected with an internal empty chamber 4-1 in the throat 4, water can be injected into the internal empty chamber through the conduit 3-1, the internal empty chamber wall 4-3 is provided with a water outlet 4-4, after the empty chamber 4-1 is filled with water, water can flow outwards through the water outlet 4-4 to form a water film in the direction of a diffusion pipe 5 to play a role of a lubrication pipeline, water-sand mixed fluid is accelerated to pass through the throat 4, and the sand suction working efficiency is improved.
The diffuser pipe 5 is smoothly connected with the throat pipe 4, and then the inner diameter of the diffuser pipe 5 is gradually enlarged. The high-pressure water and sand water mixed fluid can be ensured to enter the throat pipe and the diffusion pipe after being fully mixed in the mixing chamber, and the flow speed and the pressure of the mixed fluid are gradually reduced along with the gradually enlarged inner diameter of the pipeline and then discharged into the storage cabin.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (7)
1. The rotary nozzle type sand-collecting jet pump is characterized by comprising a sand suction pipe, a working water pipe, a mixing chamber, a nozzle and a sand outlet pipe;
The tail end of the sand suction pipe is connected with the mixing chamber, the front end of the working water pipe is connected with a water source, the tail end of the working water pipe is connected with the mixing chamber, and the nozzle is arranged at the tail end of the working water pipe and is positioned in the mixing chamber;
The working water pipe is internally provided with a propeller and a connecting rod, and the propeller is fixedly connected with the nozzle through the connecting rod;
The spray nozzle comprises a rotating shaft and a plurality of spray heads, wherein the rotating shaft is connected with the connecting rod, one end of each spray head is fixed in a channel in the rotating shaft, and the number of the spray heads is the same as the number of the channels;
The sand outlet pipe is connected with an outlet of the mixing chamber.
2. The rotary sprayer type sand-collecting jet pump of claim 1, wherein the front inlet of the sand suction pipe is provided with a screening net, and a plurality of pipelines are arranged inside the sand suction pipe.
3. The rotary sprayer type sand-collecting jet pump according to claim 1, wherein the front end of the sand sucking pipe is connected with a drill bit, the drill bit comprises a first driving motor, a second driving motor, a drill tip, a fixed support and a telescopic bracket, the fixed support is fixedly connected with the front end of the sand sucking pipe, the drill tip is connected with the fixed support through the telescopic bracket, the drill tip is connected with the first driving motor, and the telescopic bracket is connected with the second driving motor.
4. The rotary-jet sand-collecting jet pump of claim 1, wherein the nozzle further comprises a rotary shaft housing, a housing connector, and a rotary ring disposed between the rotary shaft housing and the rotary shaft, the rotary shaft housing comprising a first housing and a second housing connected by the housing connector.
5. The rotary-nozzle sand-collecting jet pump of claim 1, wherein the sand outlet pipe comprises a throat pipe and a diffusion pipe, the throat pipe is connected with the mixing chamber, and an inlet of the diffusion pipe is connected with an outlet of the throat pipe.
6. The rotary nozzle sand-collecting jet pump of claim 5, wherein the throat further comprises an inner empty chamber, a throat outer wall, an empty chamber wall and water outlets, the throat is of a double-cylinder structure, the throat outer wall and the empty chamber wall are cylinders with different diameters, the diameter of the throat outer wall is larger than that of the empty chamber wall, the inner empty chamber is arranged between the throat outer wall and the empty chamber wall, a plurality of water outlets are arranged on the empty chamber wall, and a conduit is arranged on the inner wall of the mixing chamber and connected with the inner empty chamber.
7. The rotary jetting pump of claim 5, wherein the diffuser tube has an inner diameter that gradually increases from the inlet to the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322713876.8U CN220929799U (en) | 2023-10-10 | 2023-10-10 | Rotary nozzle type sand-collecting jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322713876.8U CN220929799U (en) | 2023-10-10 | 2023-10-10 | Rotary nozzle type sand-collecting jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220929799U true CN220929799U (en) | 2024-05-10 |
Family
ID=90969892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322713876.8U Active CN220929799U (en) | 2023-10-10 | 2023-10-10 | Rotary nozzle type sand-collecting jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220929799U (en) |
-
2023
- 2023-10-10 CN CN202322713876.8U patent/CN220929799U/en active Active
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| GR01 | Patent grant |