CN217108705U - Air-entrapping direction switching device for dredging sludge discharge pipe - Google Patents
Air-entrapping direction switching device for dredging sludge discharge pipe Download PDFInfo
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- CN217108705U CN217108705U CN202220785080.6U CN202220785080U CN217108705U CN 217108705 U CN217108705 U CN 217108705U CN 202220785080 U CN202220785080 U CN 202220785080U CN 217108705 U CN217108705 U CN 217108705U
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Abstract
The utility model discloses an air entrainment position auto-change over device for dredging mud pipe, dredging mud pipe includes a pipeline body, air entrainment position auto-change over device includes: the plurality of gas filling ports are respectively arranged on the outer wall surface of the pipeline body in different directions, and each gas filling port comprises a gas filling short joint communicated with the pipeline body and a gas filling ball valve arranged on the gas filling short joint; a short pipe, the air inlet of which is connected with an air supply device through an air cannon pipe; the short gas supply joints are obliquely arranged on the outer wall surface of the short pipe; the air outlet of the short pipe and each air supply short joint are respectively provided with a stop valve, and each stop valve is respectively connected with the plurality of air-entrapping ball valves in a one-to-one correspondence manner through an air gun tube. The utility model discloses the problem in prior art unable fast switch over air entrainment position under the different transport condition in scene has been solved effectively.
Description
Technical Field
The utility model relates to a dredge hydraulic reclamation engineering technical field, concretely relates to air entrainment position auto-change over device for dredging mud pipe.
Background
At present, an assembled small-diameter cutter suction dredger (the pipe diameter of a dredge pipe is mostly DN300-DN 400) generally adopts a relay pump station to increase the row spacing in river and lake dredging engineering. However, the process method for extending the row spacing has the problems of complex equipment, high requirement on installation site, higher use and maintenance cost, poor environmental friendliness and the like. Based on the existing air-entrapping boosting conveying theory, high-pressure air is injected into the sludge discharge pipe in the sediment conveying process, so that the aims of reducing conveying resistance, increasing conveying pressure and increasing conveying row spacing can be fulfilled. But the relevant target can be realized only by determining parameters such as a proper gas filling direction and the like according to the conveying condition of the dredging site.
Through retrieval, the Chinese patent document CN 109029912B discloses a test device for researching gas-filling transportation of a slurry pipeline; chinese patent document CN 106697953B relates to an air-entrapping transportation device for a sludge discharge pipeline in a dredging construction site. However, the existing auxiliary gas filling conveying equipment does not relate to a quick gas filling direction switching device, so that the proper gas filling direction cannot be quickly adjusted and determined according to the field conveying condition to realize a better gas filling effect, the field use is inconvenient, and the popularization and application of the auxiliary gas filling conveying technology in the dredging construction field are restricted.
Therefore, aiming at the problem that the conventional air-entrapping auxiliary conveying equipment cannot rapidly switch air-entrapping directions according to different field conveying conditions to realize the debugging and determining of a proper air-entrapping direction, the air-entrapping direction switching device for the dredging and sludge discharging pipe is designed, is suitable for field construction of the dredging engineering, is simple to operate, has low use and maintenance cost, and has very important significance in promoting the popularization and application of an air-entrapping auxiliary conveying technology in the field of the dredging engineering.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide an air entrainment position auto-change over device for dredging sludge discharge pipe to satisfy the requirement according to the different transport condition fast switch-over air entrainment position in river lake reservoir environmental protection desilting engineering site operation.
A air entrainment position auto-change over device for dredging mud pipe, dredge mud pipe includes a pipeline body, air entrainment position auto-change over device includes:
the plurality of gas filling ports are respectively arranged on the outer wall surface of the pipeline body in different directions, and each gas filling port comprises a gas filling short joint communicated with the pipeline body and a gas filling ball valve arranged on the gas filling short joint;
a short pipe, the air inlet of which is connected with an air supply device through an air cannon pipe; and
a plurality of short gas supply joints obliquely arranged on the outer wall surface of the short pipe;
the air outlet of the short pipe and each air supply short joint are respectively provided with a stop valve, and each stop valve is respectively connected with the plurality of air-entrapping ball valves in a one-to-one correspondence manner through an air gun pipe.
In the gas filling direction switching device for the dredging sludge discharge pipe, the number of the gas filling ports is three, and the three gas filling ports are respectively and vertically arranged right above, right below and right in front of the outer wall surface of the pipeline body.
In the gas filling direction switching device for the dredging mud pipe, the three gas filling ports are positioned on the same circumference of the outer wall surface of the pipeline body.
In the gas filling direction switching device for the dredging sludge discharge pipe, the number of the gas supply short joints is two, the two gas supply short joints are symmetrically arranged on two sides of the short pipe, and an included angle of 30-60 degrees is formed between the axial direction of each gas supply short joint and the gas inlet direction of the short pipe.
In the gas filling direction switching device for the dredging sludge discharge pipe, an included angle of 45 degrees is formed between the axial direction of the gas supply short joint and the gas inlet direction of the short pipe.
In the above gas-filling azimuth switching device for a dredging sludge pipe, the short pipe is made of deformed steel.
In the gas filling direction switching device for the dredging sludge discharge pipe, the calibers of the short pipe, the gas supply short joint, the gas filling ball valve and the blast gun pipe are DN 32.
Based on above-mentioned technical scheme, install a plurality of air feed short connectors on the nozzle stub of connecting the air feeder, thereby form a plurality of gas outlets that can be used to the mud pipe air feed, the supporting gas port that sets up a plurality of different positions that lie in of setting on the pipeline body of mud pipe simultaneously, and will set up stop valve and each gas filling mouth intercommunication on each gas outlet, thereby can utilize the stop valve of the different positions of fast switch-over switching according to the actual transportation condition at the dredging engineering scene, come the debugging and confirm suitable mud pipe gas filling position, realize better gas filling effect, simultaneously, the utility model is simple in operation, the maintenance cost is low, be favorable to promoting the gas filling and assist the popularization and application of transport technology at the dredging engineering scene.
Drawings
Fig. 1 is a schematic structural view of a gas filling direction switching device for a dredging mud pipe of the present invention;
fig. 2 is a schematic view of a partial structure of the gas filling direction switching device for a dredging pipe;
fig. 3 is a schematic structural diagram of a pipeline body in the gas filling direction switching device for a dredging mud pipe of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 3, the dredging pipe includes a pipe body, i.e., an air-entrapping direction switching device for the dredging pipe, comprising:
the plurality of air adding ports 11 are respectively arranged on the outer wall surface of the pipeline body 1 in different directions, and each air adding port 11 comprises an air adding short joint 111 communicated with the pipeline body 1 and an air adding ball valve 112 arranged on the air adding short joint 111; in the embodiment, the caliber of the pipeline body 1 is DN300-DN400, the pipeline body is mainly used for conveying mucky soil, the number of the air adding ports 11 is three, and the three air adding ports 11 are positioned on the same circumference of the outer wall surface of the pipeline body 1 and are respectively and vertically arranged right above, right below and right in front of the outer wall surface of the pipeline body 1;
a short pipe 2, the air inlet of which is externally connected with air supply equipment through an air gun pipe 3; in the present embodiment, the short pipe 2 is made of deformed steel; and
a plurality of short gas supply joints 4 which are obliquely arranged on the outer wall surface of the short pipe 2; in this embodiment, the air supply short joints 4 are threaded joints, the number of the air supply short joints 4 is two, the two air supply short joints 4 are symmetrically arranged on two sides of the short pipe 2, an included angle of 30-60 degrees is formed between the axial direction of each air supply short joint 4 and the air inlet direction of the short pipe 2, and preferably, an included angle of 45 degrees is formed between the axial direction of each air supply short joint 4 and the air inlet direction of the short pipe 2;
wherein, the air outlet of the short pipe 2 and each air supply short joint 4 are respectively provided with a stop valve 41, and each stop valve 41 is respectively connected with a plurality of air-entrapping ball valves 112 in a one-to-one correspondence way through an air gun tube 3; in the use process, operating personnel can directly carry out the fast switch-over gas filling position through the stop valve 41 of switching on different position according to the different occasions of different condition, realizes quick debugging and confirms preferred gas filling position.
In addition, in the present embodiment:
the calibers of the short pipe 2, the short gas supply joint 4, the gas-filling ball valve 112 and the blast gun pipe 3 are DN 32.
The two short gas supply joints 4 are both deeply welded into the short pipe 2 and flush with the inner wall surface of the short pipe so as to reduce the loss of high-pressure gas; install each air entrainment short-circuit head 111 on the outer wall surface of pipeline body 1 and all go deep into the welding to pipeline body 1 in and flush with 1 internal wall surface of pipeline body to reduce the wearing and tearing of carrying mud in the pipeline body 1 to each air entrainment short-circuit head 111, avoid each air entrainment short-circuit head 111 to go deep into the inside overlength of pipeline body 1 simultaneously and increase silt and carry resistance, influence air entrainment effect.
To sum up, the utility model discloses carry the operation in-process through installing a plurality of air feed short connectors on the nozzle stub of connecting the air feeder at the air entrainment boosting, thereby form a plurality of gas outlets that can be used to the mud pipe air feed, form simultaneously on the pipeline body of mud pipe and set up a plurality of air feed ports that are located different position, and will set up stop valve and each air feed mouth intercommunication on each gas outlet, thereby can utilize the stop valve in the different positions of fast switch-over switching according to the actual transport condition of dredging the engineering scene, come the debugging and confirm suitable mud pipe air feed position, realize more excellent air entrainment effect, solved prior art and can't be according to the problem in the different transport condition fast switch-over air feed positions in scene, simultaneously the utility model discloses still possess easy operation, maintenance cost low grade advantage.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (7)
1. The utility model provides a gas filling position auto-change over device for dredging mud pipe, dredging mud pipe includes a pipeline body, its characterized in that, gas filling position auto-change over device includes:
the plurality of gas filling ports are respectively arranged on the outer wall surface of the pipeline body in different directions, and each gas filling port comprises a gas filling short joint communicated with the pipeline body and a gas filling ball valve arranged on the gas filling short joint;
a short pipe, the air inlet of which is connected with an air supply device through an air cannon pipe; and
a plurality of short gas supply joints obliquely arranged on the outer wall surface of the short pipe;
the air outlet of the short pipe and each air supply short joint are respectively provided with a stop valve, and each stop valve is respectively connected with the plurality of air-entrapping ball valves in a one-to-one correspondence manner through an air gun tube.
2. The gas filling direction switching device for a dredging sludge pipe according to claim 1, wherein the number of the gas filling ports is three, and the three gas filling ports are vertically installed right above, right below and right in front of the outer wall surface of the pipe body, respectively.
3. The gas filling direction switching device for a dredging sludge pipe according to claim 2, wherein the three gas filling ports are located on the same circumference of the outer wall surface of the pipe body.
4. The gas filling direction switching device for a dredging sludge pipe according to claim 1, wherein the number of the gas supply nipple is two, and the two gas supply nipples are symmetrically arranged on both sides of the short pipe, and the axial direction of each gas supply nipple forms an included angle of 30-60 degrees with the gas filling direction of the short pipe.
5. The gas filling orientation switching device for a dredging sludge pipe according to claim 4, wherein the axial direction of the gas supply nipple is at an angle of 45 ° to the gas inlet direction of the nipple.
6. The gas filling orientation switching device for a dredging sludge pipe according to claim 1, wherein the short pipe is made of thread steel.
7. The gas filling direction switching device for the dredging sludge discharge pipe according to claim 1, wherein the calibers of the short pipe, the gas supply short joint, the gas filling ball valve and the blast pipe are all DN 32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220785080.6U CN217108705U (en) | 2022-03-30 | 2022-03-30 | Air-entrapping direction switching device for dredging sludge discharge pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220785080.6U CN217108705U (en) | 2022-03-30 | 2022-03-30 | Air-entrapping direction switching device for dredging sludge discharge pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217108705U true CN217108705U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220785080.6U Active CN217108705U (en) | 2022-03-30 | 2022-03-30 | Air-entrapping direction switching device for dredging sludge discharge pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217108705U (en) |
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2022
- 2022-03-30 CN CN202220785080.6U patent/CN217108705U/en active Active
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