Dual bow cutter suction dredger

Abstract

The invention provides a kind of dredger with double bow, comprising ship body, further comprising two cabin extraction tunnels arranged in ship body, two in-cabin mud pumps connected with cabin extraction tunnel and two bow nozzles located at ship bow connected with in-cabin mud pump, wherein two in-cabin mud pumps are further connected with underwater pump extending to the outside of ship body, two bow nozzles can be operated independently or simultaneously, two cabin extraction tunnels are divided into port extraction tunnel and starboard extraction tunnel, and two in-cabin mud pumps are divided into port in-cabin mud pump and starboard in-cabin mud pump, when in use, bow nozzles located at ship bow can adjust the working condition of bow nozzles according to construction conditions, such as being able to operate independently or simultaneously, that is, to select the working of bow nozzles on one side of ship or the simultaneous working of bow nozzles on both sides of ship to meet the requirements of different construction conditions, so that the construction form of the bow nozzle device is more flexible and diverse, and the applicability is stronger.

Description

TECHNICAL FIELD

[0001] The present application relates to the dredging equipment technical field, specifically to a double-bow jet dredger. BACKGROUND

[0002] Self-propelled dredger is widely used in dredging operation, and is the main ship type in dredging industry. The self-propelled dredger does not need to be anchored during dredging, so it has the characteristics of not affecting navigation. It is not only used for dredging operation of deepening and maintaining the channel, but also widely used in large reclamation construction. The bow jet is a process of dredger to transport a large amount of sand to the shallow or shore, which is mainly used to transport a large amount of sand to the river bank. In the initial stage of rapid reclamation construction, the bow jet reclamation process is suitable because the conditions for laying water pipeline are not met. The dredger directly sprays mud to the working area through the nozzle of the bow jet.

[0003] The existing dredger has a single construction process when using the bow jet reclamation, which cannot meet the requirements of the bow jet process under different construction conditions, resulting in low construction efficiency, long reclamation time, and affecting the reclamation construction efficiency. At the same time, when the nozzle sprays outward, the construction ship is unevenly stressed. SUMMARY

[0004] The present application provides a double-bow jet dredger with more flexible and diverse construction forms and stronger applicability.

[0005] To solve the above technical problems, the present application adopts the following technical scheme:

[0006] A double-bow jet dredger, comprising a ship body, further comprising two cabin extraction tunnels arranged in the ship body, two cabin mud pumps which can be connected in series or parallel and connected with the cabin extraction tunnels, and two bow nozzles located at the bow of the ship and connected with the cabin mud pumps, wherein the two cabin mud pumps are further connected with underwater pumps extending to the outside of the ship body, and the two bow nozzles can perform bow jet operation independently or simultaneously.

[0007] Preferably, the two cabin extraction tunnels are divided into a port-side cabin extraction tunnel and a starboard-side cabin extraction tunnel, the two cabin mud pumps are divided into a port-side cabin mud pump and a starboard-side cabin mud pump, the two bow nozzles are divided into a port-side bow nozzle and a starboard-side bow nozzle, and the two underwater pumps are divided into a port-side underwater pump and a starboard-side underwater pump.

[0008] Preferably, the output end of the port-side cabin pumping tunnel is connected with a port-side cabin pumping discharge pipe, the port-side cabin pumping discharge pipe is provided with a port-side cabin pumping gate valve, the end of the port-side cabin pumping discharge pipe away from the port-side cabin pumping tunnel is connected with a port-side cabin pumping pipeline, the first interface of the port-side cabin pumping pipeline is connected with the port-side cabin pumping discharge pipe; the input end of the port-side in-cabin mud pump is connected with a port-side four-way pipe, the first interface of the port-side four-way pipe is connected with the port-side in-cabin mud pump, the second interface of the port-side four-way pipe is connected with the second interface of the port-side cabin pumping pipeline, and the side of the port-side cabin pumping pipeline close to the port-side in-cabin mud pump is provided with a port-side cabin pumping pipe valve.

[0009] Preferably, the output end of the port-side in-cabin mud pump is connected with a port-side mud discharge pipeline, the port-side mud discharge pipeline is provided with a port-side shore-discharging main pipe gate valve, the output end of the port-side mud discharge pipeline is respectively connected with a port-side bow nozzle connecting pipe and a shore-blowing pipe, the port-side bow nozzle connecting pipe is connected with a port-side bow nozzle, and the port-side bow nozzle connecting pipe is connected with a port-side bow nozzle gate valve; the shore-blowing pipe is provided with a shore-blowing gate valve.

[0010] Preferably, the fourth interface of the port-side four-way pipe is connected with a reserved port-side in-cabin mud pump dredging pipe, the end of the reserved port-side in-cabin mud pump dredging pipe away from the port-side four-way pipe is connected with a port-side reserved backfill pipe, one side of the port-side reserved backfill pipe is connected with a port-side in-cabin connecting pipe, the port-side in-cabin connecting pipe is provided with a port-side underwater pump pump room gate valve, the other side of the port-side reserved backfill pipe is connected with a port-side underwater pump connecting pipe, the port-side underwater pump connecting pipe is provided with a port-side suction gate valve, and the port-side underwater pump is arranged on the port-side underwater pump connecting pipe.

[0011] Preferably, the output end of the port-side cabin pumping tunnel is connected with a port-side cabin pumping discharge pipe, the port-side cabin pumping discharge pipe is provided with a port-side cabin pumping gate valve, the end of the port-side cabin pumping discharge pipe away from the port-side cabin pumping tunnel is connected with a port-side cabin pumping pipeline, the first interface of the port-side cabin pumping pipeline is connected with the port-side cabin pumping discharge pipe; the input end of the port-side in-cabin mud pump is connected with a port-side four-way pipe, the first interface of the port-side four-way pipe is connected with the port-side in-cabin mud pump, the second interface of the port-side four-way pipe is connected with the second interface of the port-side cabin pumping pipeline, and the side of the port-side cabin pumping pipeline close to the port-side in-cabin mud pump is provided with a port-side cabin pumping pipe valve.

[0012] Preferably, the third interface of the port-side cabin pumping pipeline is in communication with the third interface of the starboard-side cabin pumping pipeline, and the side of the starboard-side cabin pumping pipeline close to the port-side cabin pumping pipeline is provided with a cabin communication gate valve.

[0013] Preferably, the output end of the port-side in-cabin mud pump is connected with a port-side mud discharge pipeline, the port-side mud discharge pipeline is provided with a port-side shore-discharging main pipe gate valve, the output end of the port-side mud discharge pipeline is respectively connected with a port-side bow nozzle connecting pipe and a shore-blowing pipe, the port-side bow nozzle connecting pipe is connected with a port-side bow nozzle, and the port-side bow nozzle connecting pipe is connected with a port-side bow nozzle gate valve; the shore-blowing pipe is provided with a shore-blowing gate valve.

[0014] Preferably, the third interface of the tee pipe is connected with a reserved starboard inboard mud pump dredging pipe, the end of the reserved starboard inboard mud pump dredging pipe away from the tee pipe is connected with a starboard reserved backfill pipe, one side of the starboard reserved backfill pipe is connected with a starboard inboard connecting pipe, and the starboard inboard connecting pipe is provided with a starboard underwater pump pump cabin gate valve; the other side of the starboard reserved backfill pipe is connected with a starboard underwater pump connecting pipe, the starboard underwater pump connecting pipe is provided with a starboard suction port gate valve, and the starboard underwater pump is arranged on the starboard underwater pump connecting pipe.

[0015] Preferably, the starboard inboard connecting pipe is connected with a starboard front-mounted cabin, a starboard low-concentration discharge port, a starboard middle-mounted cabin and a starboard rear-mounted cabin respectively.

[0016] Preferably, the third interface of the starboard tee pipe is provided with an E point, one end of the E point is connected with a starboard inboard mud pump, and the other end of the E point is connected with a starboard series mud discharge pipeline, and the starboard series mud discharge pipeline is provided with a starboard pump inlet series gate valve.

[0017] From the above technical solution, the present application has the following beneficial effects: in the present application, the number of cabin extraction tunnels in the ship body is two, and the number of inboard mud pumps is also two, the two inboard mud pumps can be connected in series or in parallel, and are connected with the cabin extraction tunnels, the number of bow nozzles is two, and the two bow nozzles are connected with the inboard mud pumps and located at the bow of the ship, during use, the bow nozzles located at the bow of the ship can adjust the working condition of the bow nozzles according to the construction conditions, such as being able to independently or simultaneously perform bow jet operation, that is, the bow nozzles of one side of the ship can be selected to work or the bow nozzles of both sides of the ship can be simultaneously selected to work, to meet the requirements of different construction conditions, so that the construction form of the bow jet device is more flexible and diverse, and the applicability is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the mud suction and discharge pipe system of the present application;

[0019] Figure 2 is a schematic diagram of the bow part of the ship of the present application; Figure 1

[0020] Figure 3 is a schematic diagram of another view of the present application; Figure 1

[0021] Figure 4 is a schematic diagram of the bow part of the ship of the present application; Figure 3

[0022] Figure 5 is a layout diagram of the dredging system of the present application;

[0023] ​​​Figure 6 a schematic view of the bow of the ship; Figure 5 a schematic view of the bow of the ship;

[0024] Figure 7 a schematic view of the bow of the ship; Figure 5 a schematic view of the bow of the ship;

[0025] Figure 8 a schematic view of the bow of the ship. Figure 7 a schematic view of the bow of the ship.

[0026] Fig. 10, hull; 210, port side dredging tunnel; 211, port side dredging discharge pipe; 212, port side dredging gate valve; 213, port side dredging pipeline; 214, port side dredging pipe valve; 215, port side in-cabin dredge pump dredging pipe; 216, port side reserved backfilling pipe; 217, port side in-cabin connecting pipe; 2171, port side front loading cabin; 2172, port side low-concentration discharge port; 2173, port side middle loading cabin; 2174, port side rear loading cabin; 218, port side underwater pump connecting pipe; 219, port side underwater pump pump cabin gate valve; 2110, port side suction port gate valve; 220, starboard side dredging tunnel; 221, starboard side dredging discharge pipe; 222, starboard side dredging gate valve; 223, starboard side dredging pipeline; 224, starboard side dredging pipe valve; 225, dredging communication gate valve; 310, port side in-cabin dredge pump; 311, port side dredging pipeline; 312, port side shore-discharge main pipe gate valve; 313, port side bow nozzle connecting pipe; 314, shore-blowing pipe; 315, port side bow jet gate valve; 316, shore-blowing gate valve; 320, starboard side in-cabin dredge pump; 321, tee pipe; 322, starboard side dredging pipeline; 323, starboard side shore-discharge main pipe gate valve; 324, starboard side bow nozzle connecting pipe; 325, starboard side bow jet gate valve; 326, reserved starboard side in-cabin dredge pump dredging pipe; 327, starboard side reserved backfilling pipe; 328, starboard side in-cabin connecting pipe; 3281, starboard side front loading cabin; 3282, starboard side low-concentration discharge port; 3283, starboard side middle loading cabin; 3284, starboard side rear loading cabin; 329, starboard side underwater pump pump cabin gate valve; 3210, starboard side underwater pump connecting pipe; 3211, starboard side suction port gate valve; 410, port side bow nozzle; 420, starboard side bow nozzle; 510, port side underwater pump; 520, starboard side underwater pump; 610, starboard side series-connected dredging pipeline; 611, port side pump inlet series-connected gate valve. DETAILED DESCRIPTION

[0027] A preferred embodiment of the present application will be described in detail below with reference to the drawings.

[0028] Example:

[0029] Referring to Figure 1 , Figure 3 , Figure 5 , Figure 7The utility model provides a double bow jet dredger, including ship body 10, cabin tunnel, cabin dredge pump and bow nozzle, the number of cabin tunnel is two, and two cabin tunnels are in parallel inside ship body 10, the number of cabin dredge pump is also two, two cabin dredge pumps are in series or parallel connection and are connected with cabin tunnel, the number of bow nozzle is two, and two bow nozzles are connected with cabin dredge pump and are located in the position of ship bow, further, two cabin dredge pumps are also connected with underwater pump extending to the outside of ship body respectively, wherein, two bow nozzles can carry out bow jet operation alone or simultaneously, when using, the bow nozzle in the ship bow can adjust the working condition of bow nozzle according to construction condition, such as the bow nozzle of one side of shipboard or the bow nozzle of both sides of shipboard works simultaneously, to satisfy the requirement of different construction conditions, make the construction form of the bow jet device more flexible and diverse, and stronger applicability.

[0030] As a preferred technical scheme of the utility model, in order to drive the two cabin tunnels, two cabin dredge pumps, two bow nozzles and two underwater pumps, the two cabin tunnels are divided into port side cabin tunnel 210 and starboard side cabin tunnel 220, the two cabin dredge pumps are divided into port side cabin dredge pump 310 and starboard side cabin dredge pump 320, the two bow nozzles are divided into port side bow nozzle 410 and starboard side bow nozzle 420, and the two underwater pumps are divided into port side underwater pump 510 and starboard side underwater pump 520.

[0031] Referring to Figure 2 Further, the output end of the port side cabin tunnel 210 is connected with a port side cabin discharge pipe 211, and a port side cabin gate valve 212 is arranged on the port side cabin discharge pipe 211. An end of the port side cabin discharge pipe 211 away from the port side cabin tunnel 210 is connected with a port side cabin pipeline 213. It should be noted that the port side cabin pipeline 213 is provided with three interfaces. The first interface of the port side cabin pipeline 213 is connected with the port side cabin discharge pipe 211.

[0032] Further, the input end of the port side cabin dredge pump 310 is connected with a port side four-way pipe, that is, the port side four-way pipe is provided with four interfaces. The first interface of the port side four-way pipe is connected with the input end of the port side cabin dredge pump 310. The second interface of the port side four-way pipe is connected with the second interface of the port side cabin pipeline 213. The side of the port side cabin pipeline 213 close to the port side cabin dredge pump 310 is provided with a port side cabin pipeline valve 214. When in use, the dredged sand extracted through the port side cabin tunnel 210 can be transported outward through the port side cabin discharge pipe 211, and then transported to the port side cabin dredge pump 310 through the port side cabin pipeline 213, and finally transported outward through the port side cabin dredge pump 310.

[0033] Referring to Figure 4 , Figure 8Further, an output end of the left side in-cabin mud pump 310 is connected with a left side mud discharge pipeline 311, a left side mud discharge pipeline gate valve 312 is arranged on the left side mud discharge pipeline 311, an output end of the left side mud discharge pipeline 311 is respectively connected with a left side bow nozzle connecting pipe 313 and a blow shore pipe 314, the left side bow nozzle connecting pipe 313 is connected with the left side bow nozzle 410, a left side bow nozzle gate valve 315 is arranged on the left side bow nozzle connecting pipe 313, and a blow shore gate valve 316 is arranged on the blow shore pipe 314.

[0034] With reference to Figure 1 , Figure 2 As a preferred technical scheme of the present application, a fourth interface of the left side four-way pipe is connected with a reserved left side in-cabin mud pump dredging pipe 215, an end of the reserved left side in-cabin mud pump dredging pipe 215 away from the left side four-way pipe is connected with a left side reserved backfill pipe 216, one side of the left side reserved backfill pipe 216 is connected with a left side in-cabin connecting pipe 217, a left side underwater pump cabin gate valve 219 is arranged on the left side in-cabin connecting pipe 217, the other side of the left side reserved backfill pipe 216 is connected with a left side underwater pump connecting pipe 218, a left side suction gate valve 2110 is arranged on the left side underwater pump connecting pipe 218, and the left side underwater pump 510 is arranged on the left side underwater pump connecting pipe 218.

[0035] With reference to Figure 3Further, the left side cabin inner connecting pipe 217 is respectively connected with a left side front loading cabin 2171, a left side low concentration discharge port 2172, a left side middle loading cabin 2173 and a left side rear loading cabin 2174. It should be noted that the left side front loading cabin 2171, the left side low concentration discharge port 2172, the left side middle loading cabin 2173 and the left side rear loading cabin 2174 are arranged inside the ship body 10 and are respectively connected with the left side cabin inner connecting pipe 217 through corresponding pipes. Specifically, a left side front loading cabin connecting pipe can be arranged between the left side front loading cabin 2171 and the left side cabin inner connecting pipe 217, and a left side front loading cabin gate valve is arranged on the left side front loading cabin connecting pipe. A left side low concentration discharge pipe can be arranged between the left side low concentration discharge port 2172 and the left side cabin inner connecting pipe 217, and a left side low concentration discharge gate valve is arranged on the left side low concentration discharge pipe. A left side middle loading cabin connecting pipe can be arranged between the left side middle loading cabin 2173 and the left side cabin inner connecting pipe 217, and a left side middle loading cabin gate valve is arranged on the left side middle loading cabin connecting pipe. A left side rear loading cabin connecting pipe can be arranged between the left side rear loading cabin 2174 and the left side cabin inner connecting pipe 217, and a left side rear loading cabin gate valve is arranged on the left side rear loading cabin connecting pipe.

[0036] With reference to Figure 2 , Figure 6 As a preferred technical solution of the present application, the output end of the right side suction cabin tunnel 220 is connected with a right side suction cabin discharge pipe 221, the right side suction cabin discharge pipe 221 is provided with a right side suction cabin gate valve 222, and the end of the right side suction cabin discharge pipe 221 away from the right side suction cabin tunnel 220 is connected with a right side suction cabin pipeline 223. It should be noted that the right side suction cabin pipeline 223 is provided with three interfaces, and the first interface of the right side suction cabin pipeline 223 is connected with the right side suction cabin discharge pipe 221. The input end of the right side cabin inner mud pump 320 is connected with a three-way pipe 321, i.e., the three-way pipe 321 is provided with three interfaces, and the first interface of the three-way pipe 321 is connected with the right side cabin inner mud pump 320. The second interface of the three-way pipe 321 is connected with the second interface of the right side suction cabin pipeline 223. The side of the right side suction cabin pipeline 223 close to the right side cabin inner mud pump 320 is provided with a right side suction cabin pipe valve 224.

[0037] With reference to Figure 1 , Figure 2 , Figure 4Further, the output end of the starboard in-cabin sludge pump 320 is connected with a starboard sludge discharge pipeline 322, and the starboard sludge discharge pipeline 322 is provided with a starboard sludge discharge shore main valve 323. The output end of the starboard sludge discharge pipeline 322 is connected with a starboard bow nozzle connecting pipeline 324, and the starboard bow nozzle connecting pipeline 324 is connected with a starboard bow nozzle 420. The starboard bow nozzle connecting pipeline 324 is connected with a starboard bow nozzle valve 325. In use, the sludge extracted through the starboard cabin extraction tunnel 220 can be transported outward through the starboard cabin extraction discharge pipeline 221, and transported to the starboard in-cabin sludge pump 320 through the starboard in-cabin sludge pipeline 223, and then transported outward through the starboard in-cabin sludge pump 320.

[0038] Further, the third interface of the tee pipe 321 is connected with a reserved starboard in-cabin sludge pump dredging pipeline 326. The end of the reserved starboard in-cabin sludge pump dredging pipeline 326 away from the tee pipe 321 is connected with a starboard reserved backfilling pipeline 327. One side of the starboard reserved backfilling pipeline 327 is connected with a starboard in-cabin connecting pipeline 328, and the starboard in-cabin connecting pipeline 328 is provided with a starboard underwater pump cabin valve 329. The other side of the starboard reserved backfilling pipeline 327 is connected with a starboard underwater pump connecting pipeline 3210, and the starboard underwater pump connecting pipeline 3210 is provided with a starboard suction port valve 3211. The starboard underwater pump 520 is arranged on the starboard underwater pump connecting pipeline 3210.

[0039] With reference to Figure 3 Further, the starboard in-cabin connecting pipeline 328 is respectively connected with a starboard front-mounted cabin 3281, a starboard low-concentration discharge port 3282, a starboard middle-mounted cabin 3283, and a starboard rear-mounted cabin 3284. It should be noted that the starboard front-mounted cabin 3281, the starboard low-concentration discharge port 3282, the starboard middle-mounted cabin 3283, and the starboard rear-mounted cabin 3284 are arranged inside the ship body 10, and are respectively connected with the starboard in-cabin connecting pipeline 328 through corresponding pipelines. Specifically, a starboard front-mounted cabin connecting pipeline can be arranged between the starboard front-mounted cabin 3281 and the starboard in-cabin connecting pipeline 328, and a starboard front-mounted cabin valve can be arranged on the starboard front-mounted cabin connecting pipeline. A starboard low-concentration discharge pipeline can be arranged between the starboard low-concentration discharge port 3282 and the starboard in-cabin connecting pipeline 328, and a starboard low-concentration discharge valve can be arranged on the starboard low-concentration discharge pipeline. A starboard middle-mounted cabin connecting pipeline can be arranged between the starboard middle-mounted cabin 3283 and the starboard in-cabin connecting pipeline 328, and a starboard middle-mounted cabin valve can be arranged on the starboard middle-mounted cabin connecting pipeline. A starboard rear-mounted cabin connecting pipeline can be arranged between the starboard rear-mounted cabin 3284 and the starboard in-cabin connecting pipeline 328, and a starboard rear-mounted cabin valve can be arranged on the starboard rear-mounted cabin connecting pipeline.

[0040] With reference to Figure 2 , Figure 4In order to realize the series operation of the left inboard sludge pump 310 and the right inboard sludge pump 320, the third interface of the left inboard suction pipeline 213 is communicated with the third interface of the right inboard suction pipeline 223, and the right inboard suction pipeline 223 is provided with a suction communication gate valve 225 near the wall of the left inboard suction pipeline 213. The third interface of the left inboard four-way pipe is communicated with the output end of the right inboard sludge pump 320, and the right inboard series sludge discharge pipeline 610 is further provided between the third interface of the left inboard four-way pipe and the output end of the right inboard sludge pump 320. The left inboard pump inlet series gate valve 611 is arranged on the right inboard series sludge discharge pipeline 610. By connecting the left inboard suction pipeline 213 and the right inboard suction pipeline 223, the series operation of the two inboard sludge pumps can be realized to realize the long distance bow jet.

[0041] The working process of the left bow jet is as follows: the left inboard suction gate valve 212, the left inboard bank discharge main gate valve 312, the left bow jet gate valve 315 and the left inboard suction pipeline valve 214 are opened, the left inboard sludge pump 310 is started, the inboard sludge is sucked through the left inboard suction pipeline 213, the left inboard suction discharge pipeline 211 and the left inboard suction tunnel 210, and is discharged through the output end of the left inboard sludge pump 310, the left inboard bank discharge main gate valve 312, the left inboard sludge discharge pipeline 311, the left bow jet gate valve 315 and the left bow jet nozzle 410 to realize the left bow jet operation.

[0042] The working process of the right bow jet is as follows: the right inboard suction gate valve 222, the right inboard bank discharge main gate valve 323 and the right bow jet gate valve 325 are opened, the right inboard sludge pump 320 is started, the inboard sludge is sucked through the right inboard suction pipeline 223, the right inboard suction discharge pipeline 221 and the right inboard suction tunnel 220, and is discharged through the output end of the right inboard sludge pump 320, the right inboard bank discharge main gate valve 323, the right inboard sludge discharge pipeline 322, the right bow jet gate valve 325 and the right bow jet nozzle 420 to realize the right bow jet operation.

[0043] The working process of the two inboard sludge pumps in series long distance bow jet is as follows: the left suction gate valve 2110, the right suction gate valve 3211, the left inboard pump cabin gate valve 219, the bank blowing gate valve 316, the right bow jet gate valve 325 and the left inboard suction pipeline valve 214 are closed, the left inboard suction gate valve 212, the right inboard suction gate valve 222, the suction communication gate valve 225, the left inboard pump inlet series gate valve 611, the left inboard bank discharge main gate valve 312 and the left bow jet gate valve 315 are opened, the left inboard sludge pump and the right inboard sludge pump are started, the inboard sludge is sucked through the right inboard suction pipeline, the right inboard sludge pump, the output end of the right inboard sludge pump, the right inboard series sludge discharge pipeline 610, the left inboard sludge pump, the left inboard bank discharge main gate valve 312, the left bow jet gate valve 315 and the left bow jet nozzle 410 to realize the long distance bow jet operation.

[0044] The left and right side double bow nozzles are used for bow jetting in short distance jetting to improve construction efficiency and effectively shorten jetting time.

[0045] Therefore, the double-bow jetting dredger can realize double-pump series bow jetting or single simultaneous bow jetting, so that the construction form is more flexible and diverse, and the adaptability to construction conditions is stronger.

[0046] The above-described embodiments are merely used to describe the preferred embodiments of the present application, but not to limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope of the present application defined by the claims.

Claims

1. A double-bow jet dredger, comprising a hull (10), characterized in that: The vessel also comprises two chamber pumping tunnels arranged in the hull (10), two chamber mud pumps which can be arranged in series or in parallel and connected to the chamber pumping tunnels, and two bow nozzles connected to the chamber mud pumps and located at the bow of the vessel, wherein the two chamber mud pumps are respectively connected to underwater pumps extending to the outside of the hull, wherein the two bow nozzles can perform bow spraying operations individually or simultaneously; The two pumping tunnels are divided into a port pumping tunnel (210) and a starboard pumping tunnel (220); the two in-cabin mud pumps are divided into a port in-cabin mud pump (310) and a starboard in-cabin mud pump (320); the two bow nozzles are divided into a port bow nozzle (410) and a starboard bow nozzle (420); and the two submersible pumps are divided into a port submersible pump (510) and a starboard submersible pump (520); The output end of the port cabin pumping tunnel (210) is connected to a port cabin pumping discharge pipe (211), a port cabin pumping gate valve (212) is provided on the port cabin pumping discharge pipe (211), and the end of the port cabin pumping discharge pipe (211) away from the port cabin pumping tunnel (210) is connected to a port cabin pumping pipeline (213), a first interface of the port cabin pumping pipeline (213) is connected to the port cabin pumping discharge pipe (211); the input end of the port cabin mud pump (310) is connected to a port four-way pipe, a first interface of the port four-way pipe is connected to the port cabin mud pump (310), a second interface of the port four-way pipe is connected to a second interface of the port cabin pumping pipeline (213), and a port cabin pumping valve (214) is provided on the side of the port cabin pumping pipeline (213) close to the port cabin mud pump (310); The output end of the starboard cabin pumping tunnel (220) is connected to a starboard cabin pumping discharge pipe (221), a starboard cabin pumping gate valve (222) is provided on the starboard cabin pumping discharge pipe (221), and one end of the starboard cabin pumping discharge pipe (221) away from the starboard cabin pumping tunnel (220) is connected to a starboard cabin pumping pipeline (223), a first interface of the starboard cabin pumping pipeline (223) is connected to the starboard cabin pumping discharge pipe (221); the input end of the starboard cabin mud pump (320) is connected to a tee pipe (321), a first interface of the tee pipe (321) is connected to the starboard cabin mud pump (320), and a second interface of the tee pipe (321) is connected to a second interface of the starboard cabin pumping pipeline (223); The third interface of the port side pumping line (213) is connected to the third interface of the starboard side pumping line (223), and a pumping communication gate valve (225) is provided on the starboard side pumping line (223) near the pipe wall of the port side pumping line (213).

2. The double-bow jet dredger according to claim 1, characterized in that: The output end of the port cabin mud pump (310) is connected to a port mud discharge pipeline (311), and a port shore discharge main pipe gate valve (312) is provided on the port mud discharge pipeline (311). The output end of the port mud discharge pipeline (311) is respectively connected to a port bow nozzle connecting pipe (313) and a shore blowing pipe (314). The port bow nozzle connecting pipe (313) is connected to the port bow nozzle (410), and the port bow nozzle connecting pipe (313) is connected to a port bow spray gate valve (315). The shore blowing pipe (314) is provided with a shore blowing gate valve (316).

3. The double-bow jet dredger according to claim 2, characterized in that: The fourth interface of the port four-way pipe is connected to a reserved port cabin mud pump dredging pipe (215); one end of the reserved port cabin mud pump dredging pipe (215) away from the port four-way pipe is connected to a port reserved backfill pipe (216); one side of the port reserved backfill pipe (216) is connected to a port cabin connecting pipe (217); and the port cabin connecting pipe (217) is provided with a port underwater pump chamber gate valve (219); the other side of the port reserved backfill pipe (216) is connected to a port underwater pump connecting pipe (218); the port underwater pump connecting pipe (218) is provided with a port suction port gate valve (2110); and the port underwater pump (510) is arranged on the port underwater pump connecting pipe (218).

4. The double-bow jet dredger according to claim 3, characterized in that: The output end of the starboard cabin mud pump (320) is connected to a starboard mud discharge pipeline (322), and a starboard shore discharge main pipe gate valve (323) is provided on the starboard mud discharge pipeline (322). The output end of the starboard mud discharge pipeline (322) is connected to a starboard bow nozzle connecting pipe (324), and the starboard bow nozzle connecting pipe (324) is connected to the starboard bow nozzle (420), and the starboard bow nozzle connecting pipe (324) is connected to a starboard bow nozzle gate valve (325).

5. The double-bow jet dredger according to claim 4, characterized in that: The third interface of the three-way pipe (321) is connected to a reserved starboard cabin mud pump dredging pipe (326); one end of the reserved starboard cabin mud pump dredging pipe (326) away from the three-way pipe (321) is connected to a reserved starboard backfill pipe (327); one side of the reserved starboard backfill pipe (327) is connected to a starboard cabin connecting pipe (328); and a starboard underwater pump chamber gate valve (329) is provided on the starboard cabin connecting pipe (328); the other side of the reserved starboard backfill pipe (327) is connected to a starboard underwater pump connecting pipe (3210); and a starboard suction gate valve (3211) is provided on the starboard underwater pump connecting pipe (3210); and the starboard underwater pump (520) is arranged on the starboard underwater pump connecting pipe (3210).

6. The double-bow jet dredger according to claim 5, characterized in that: The port side cabin connecting pipe (217) is respectively connected to the port side front loading cabin (2171), the port side low concentration discharge port (2172), the port side middle loading cabin (2173) and the port side rear loading cabin (2174); the starboard side cabin connecting pipe (328) is respectively connected to the starboard side front loading cabin (3281), the starboard side low concentration discharge port (3282), the starboard side middle loading cabin (3283) and the starboard side rear loading cabin (3284).

7. The double-bow jet dredger according to claim 6, characterized in that: The third interface of the port side four-way pipe is provided with a point E, one end of which is connected to a mud pump (310) in the port side cabin, and the other end of which is connected to a starboard side series mud discharge pipeline (610), wherein a port side pump inlet series gate valve (611) is provided on the starboard side series mud discharge pipeline (610).

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