Shipborne concrete production system and method

GB2633713APending Publication Date: 2025-03-19CHINA THREE GORGES CORPORATION +1
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Patent Information

Application Number
GB2024017554
Authority / Receiving Office
GB · GB
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-12-15
Filing Date
2023-02-07
Publication Date
2025-03-19

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Abstract

The present invention relates to a shipborne concrete production system and method. The system comprises a ship body. The system comprises a storage compartment, a stone collection subsystem, a stone
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Description

TECHNICAL FIELD [1] The present disclosure belongs to the technical field of waterborne concrete mixing, and relates to a shipborne concrete production system and method. BACKGROUND [2] During the process of underwater concrete pouring and mixing, the continuous production and environmental protection of concrete are key factors. For concrete production facilities arranged on land, long-distance concrete conveying can greatly reduce the economy of concrete pouring, especially for small-volume separated concrete pouring projects such as piers, the shortcoming is more prominent. [3] In the prior art, some inventors have designed concrete mixing ships, for example, the Chinese patent application with publication number CN 104260209 A, which provides a floating concrete mixing ship in an inland waterway.The patent improves the balance of a hull by adjusting a position and a spatial layout of a mounting device. However, it does not consider how to keep the hull balanced during the dynamic process of loading and production, and does not give consideration to the dredging function and the use of dredged materials to produce sand, stones and water for production, and the concrete mixing ship does not consider the sewage and waste treatment. The production and domestic sewage on the concrete mixing ship causes relatively large pollution to water body, which is easy to cause ecological damage and influence. SUMMARY [4] In order to solve the problems mentioned in the background, the present disclosure provides a shipborne concrete production system to solve at least one technical problem mentioned in the background. That is, a shipborne concrete production system integrating the functions of stone collection, stone crushing, aggregate screening, fine aggregate manufacturing, sewage treatment, concrete mixing and concrete conveying is realized by functional partition of a hull. Cement, fly ash and admixture dry powder are loaded into various storage zones in advance at a port for later use, and raw materials such as mixing water, coarse aggregate and fine aggregate are produced and configured by the shipborne system. [5] The present disclosure solves the problem of sources of aggregate and water in a concrete production process by taking stones, river water and the like in a river channel on the spot for processing, realizes the assembly-line continuous production of concrete, and greatly reduces a building cost of an aggregate conveying and concrete mixing system. Meanwhile, the present disclosure realizes the automatic balance of the hull by arranging a sensor and a balancing water tank, which effectively solves the problem of instability of the hull caused by multi-partition material allocation, and in addition, sewage in a process of aggregate processing is purified in the present disclosure, and no waste is thrown into the river channel in the process, which shows good economy. [6] In order to achieve the above objective, the present disclosure provides the following technical solution: a shipborne concrete production system comprises a hull, wherein the system comprises a storage compartment, a stone collection subsystem, a stone crushing subsystem, a fine aggregate processing subsystem and a concrete mixing subsystem, the stone crushing subsystem is connected to a lower end of the stone collection subsystem, and the fine aggregate processing subsystem is connected to a lower end of the stone crushing subsystem; wherein, the stone collection subsystem comprises an air compressor, a air pipe, a cutter suction device, a single-arm slewing crane, a stone suction pipeline and a filter screen, the air compressor forms negative pressure gas through the air pipe and then the negative pressure gas passes through the cutter suction device, the single-arm slewing crane hoists the cutter suction device for adjusting a range of stone collection and river water connection by the cutter suction device, one end of the stone suction pipeline is connected with the cutter suction device, and the other end of the stone suction pipeline is connected with the filter screen; the stone crushing subsystem comprises a crushing device, a screening device and a feeding hopper which are sequentially arranged from top to bottom, and an outlet end of the stone suction pipeline is introduced into the crushing device; the fine aggregate processing subsystem comprises a sand making device, a sand washing device and a dehydrating device which are sequentially arranged from top to bottom, and the fine aggregate processing subsystem is arranged on a lower side of the screening device of the stone crushing subsystem, and is used for further processing crushed coarse aggregate into fine aggregate through the sand making device; and the fine aggregate processing subsystem further comprises a water pump and a pipeline connected with the water pump, the water pump is connected with the pipeline and then is used for pumping clean water into the sand washing device for sand washing, and the fine aggregate after sand washing is dehydrated by the dehydrating device; and the concrete mixing subsystem comprises a mixing station, a raw material delivery pipeline and a raw material delivery device, wherein the raw material delivery device comprises a belt conveyor and a bucket elevator; and further comprises a water pump for adding water and a water supply pipe connected to the water pump. [7] Preferably, the storage compartment is arranged below a deck, the storage compartment comprises a reject bin, a fine aggregate bin, a graded coarse aggregate bin, a clean water pool for domestic and production use, a fly ash bin and a cement bin, and the reject bin, the fine aggregate bin, the graded coarse aggregate bin, the clean water pool for domestic and production use, the fly ash bin and the cement bin are symmetrically distributed on two sides of the hull. [8] Preferably, the system further comprises a hull automatic balancing subsystem, and the hull automatic balancing subsystem comprises hull partition balancing water tanks, wherein the hull partition balancing water tanks are distributed around the hull; and further comprises a level sensor and a control mainboard which are mounted on the hull, and an automatic water pump arranged in each hull partition balancing water tank, wherein one end of the automatic water pump is connected to a bottom portion of the hull partition balancing water tank, the other end of the automatic water pump is connected below a water surface of a river channel, the level sensor and the automatic water pump are electrically connected with the control mainboard respectively, the level sensor is used for transmitting stability information of the hull to the control mainboard in real time, and when a numerical value of the level sensor exceeds a preset threshold, the control mainboard automatically calculates a water injection volume or a water displacement of the hull partition balancing water tank, and then starts the automatic water pump to inject water into or discharge water from specific hull partition balancing water tank. [9] Preferably, the system further comprises a delivery subsystem, the delivery subsystem comprises a concrete pump machine, a single-arm slewing crane or turntable shared with the cutter suction device, and a pump pipe, and the delivery subsystem is used for completing luffing and steering feeding by the luffing pump pipe under the hoisting of the single-arm slewing crane or the rotation of the turntable after a finished concrete product enters the concrete pump machine through a chute, so as to meet distribution requirements in different positions.

[10] Preferably, the system further comprises a water purification subsystem, and the water purification subsystem comprises a sedimentation tank, a water purification device connected with the sedimentation tank and a control mainboard, wherein the sedimentation tank comprises a coagulation box, a sedimentation box and a filter box, an inlet of the coagulation box and an inlet of the water purification device are both provided with a flow monitoring instrument, and a water quality detection instrument is mounted in the water purification device; and further comprises a full-automatic dosing device for adding a chemical into the coagulation box and the water purification device, wherein the flow monitoring instrument, the water quality detection instrument and the full-automatic dosing device are electrically connected with the control mainboard respectively.

[11] Preferably, the storage compartment is symmetrically distributed on two sides of the hull, and the stone collection subsystem, the stone crushing subsystem, the fine aggregate processing subsystem and the concrete mixing subsystem are mounted on axis of long shaft (a) of the hull.

[12] Preferably, the shipborne concrete production system further comprises a marine system, wherein the marine system comprises a marine engine room power device, a marine living quarters and a marine tool room, and domestic sewage of the marine living quarters is discharged into the clean water pool for domestic and production use.

[13] The present disclosure further provides a shipbome concrete production method, which comprises the following steps of

[14] Step 1: starting a hull automatic balancing subsystem to maintain balance during a loading process, and loading sufficient cement, fly ash and admixture;

[15] Step 2: navigating to a predetermined position to being berthed, starting a stone collection subsystem to collect stones, or collect stones while cleaning river channel sediments, and after preliminary screening by a filter screen, allowing qualified stones to enter a stone crushing subsystem, and allowing unqualified stones to enter a reject bin;

[16] Step 3: starting a stone crushing subsystem to crush and screen the qualified stones, dehydrating qualified aggregate and then allowing the qualified aggregate to enter a coarse aggregate bin, according to a required amount of fine aggregate, returning a part of the coarse aggregate to the stone crushing subsystem to crush the coarse aggregate into the fine aggregate, allowing the fine aggregate to enter a fine aggregate processing subsystem for further crushing or rod milling to make sand, then carrying out screening and dehydration procedures, allowing qualified fine aggregate to enter a fine aggregate bin, and allowing sewage to flow into a sedimentation tank;

[17] Step 4: filtering and precipitating the sewage in the sedimentation tank through a coagulation box, a sedimentation box and a filter box step by step, adding a water purification agent in proportion in the process to promote the precipitation and filtration of impurities such as silt, suspended solids and colloids in water, wherein addition time and amount of the water purification agent are automatically calculated by a system program according to automatic detection of a water quality detection instrument, then transmitting configuration information to a full-automatic dosing device, automatically configuring a chemical according to the program by the full-automatic dosing device, regularly and quantitatively adding the chemical into a water purification tank to be mixed and stirred with sewage automatically, and allowing treated clean water to flow into a clean water tank for standby; and

[18] Step 5: mixing concrete: starting a belt conveyor at bottom portions of the coarse aggregate bin and the fine aggregate bin, conveying the aggregate to a bucket feeder through the belt conveyor, then vertically conveying the aggregate by the bucket feeder to enter a concrete mixing station through a raw material conveying pipe, pumping water for concrete mixing to the mixing station from a clean water pool for domestic and production use by a water pump, and vertically conveying fly ash and cement to the mixing station from a fly ash bin and a cement bin respectively through the bucket feeder, so as to complete concrete mixing.

[19] Preferably, during the process of executing the Step 1 to the Step 5, the hull automatic balancing subsystem is started all the time to automatically monitor a balance situation of a hull, a level sensor transmits stability information of the hull to a control mainboard in real time, and when a numerical value of the level sensor exceeds a preset threshold, the control mainboard automatically calculates a water injection volume or a water displacement of a hull partition balancing water tank, and starts an automatic water pump to inject water into or discharge water from specific hull partition balancing water tank, so as to keep the hull balanced all the time.

[20] The present disclosure has the beneficial effects as follows.

[21] 1. The present disclosure innovatively integrates the functions of stone collection, sewage treatment, concrete mixing, concrete pouring and the like into the shipborne system, and solves the problem of sources of aggregate and mixing water for waterborne concrete pouring.

[22] 2. The shipborne concrete production system of the present disclosure realizes river water purification and sewage treatment and recycling, and no construction sewage is discharged into the river water in the process, which shows the environmental protection of the shipborne concrete production system.

[23] 3 The shipborne concrete production system of the present disclosure innovatively uses the single-arm slewing crane and the cutter suction device to collect stones, which reduces an occupied space of an underwater stone collection system, increases a stone collection operation scope, and ensures the stone collection efficiency.

[24] 4. The shipborne concrete production system of the present disclosure innovatively uses the water quality detection instrument, the full-automatic dosing device and the control mainboard to realize the automation of sewage treatment.

[25] 5. According to the shipborne concrete production system and method of the present disclosure, automatic balance of the hull is realized by arranging the level sensor, the control mainboards, the water pumps and the hull partition balancing water tanks, thereby further improving the stability of the hull in the waterborne operation process.

[26] 6. According to the shipborne concrete production system and method provided by the present disclosure, the automation of production of raw materials such as concrete sand and stones, concrete mixing, concrete construction and other processes by the interconnection of various subsystems.

[27] 7. According to the shipborne concrete production system and method provided by the present disclosure, the stone collection subsystem may also be used to clean sludge, river sand and the like in the river channel, so as to realize the riverbed treatment function. BRIEF DESCRIPTION OF DRAWINGS

[28] FIG. 1 is a schematic diagram of a stereoscopic structure of one embodiment of the present disclosure.

[29] FIG. 2 is a schematic diagram of a plane structure of one embodiment of the present disclosure.

[30] FIG. 3 is a schematic diagram of a plane structure of a preferred embodiment of the present disclosure.

[31] FIG. 4 is a schematic diagram of an enlarged structure of a part A in FIG. 1.

[32] FIG. 5 is a working flow chart of a shipbome concrete production system of the present disclosure.

[33] In the drawings, 1: hull; 11: deck; 12: level sensor; 13: control mainboard; 2: storage compartment; 21: reject bin; 22: fine aggregate bin; 23: coarse aggregate bin; 24: clean water pool for domestic and production use; 25: fly ash bin; 26: cement bin; 3: stone collection subsystem; 31: air compressor; 32: air pipe; 33: cutter suction device; 34: single-arm slewing crane; 35: stone suction pipeline; 36: filter screen; 37: reject pipeline; 4: stone crushing subsystem; 41: crushing device; 42: screening device; 43: feeding hopper; 5: fine aggregate processing subsystem; 51: sand making device; 52: sand washing device; 53: dehydrating device; 54: water pump; 55: pipeline; 6: concrete mixing subsystem; 61: mixing station; 62: raw material delivery pipeline; 63: raw material delivery device; 631: belt conveyor; 632: bucket elevator; 64: water pump; 65: water supply pipe; 7: hull automatic balancing subsystem; 71: hull partition balancing water tank; 72: automatic water pump; 8: delivery subsystem; 81: concrete pump machine; 82: turntable; 83: pump pipe; 84: concrete pump machine; 9: water purification subsystem; 91: sedimentation tank; 911: coagulation box; 912: sedimentation box; 913: filter box; 92: water purification device; 93: full-automatic dosing device; 94: control mainboard; 95: flow monitoring instrument; 96: water quality detection instrument; 10: marine system; 101: power device in marine engine room; 102: marine living quarters; 103: marine tool room; 104: domestic sewage tank; and a: axis of long shaft. DETAILED DESCRIPTION

[34] Technical solutions in embodiments of the present disclosure will be clearly and completely described hereinafter with reference to the drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some but not all of the embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skills in the art without going through any creative work should fall within the scope of protection of the present disclosure.

[35] As shown in FIG. 1 to FIG. 5, a turntable of a pump is used for distribution in FIG. 2, and arrows in the figure indicate conveying directions of materials during the production process. The embodiment of the present disclosure provides a shipbome concrete production system, which comprises a hull 1, wherein the system comprises a storage compartment 2, a stone collection subsystem 3, a stone crushing subsystem 4, a fine aggregate processing subsystem 5 and a concrete mixing subsystem 6, the stone crushing subsystem 4 is connected to a lower end of the stone collection subsystem 3, and the fine aggregate processing subsystem 5 is connected to a lower end of the stone crushing subsystem 4. In the description of the present disclosure, the lower end refers to a downstream side of a material processing sequence according to a production process. The stone collection subsystem 3 comprises an air compressor 31, a air pipe 32, a cutter suction device 33, a single-arm slewing crane 34, a stone suction pipeline 35 and a filter screen 36, the air compressor 31 forms negative pressure gas through the air pipe 32 and then the negative pressure gas passes through the cutter suction device 33, the single-arm slewing crane 34 hoists the cutter suction device 33 for adjusting a range of stone collection and river water connection by the cutter suction device 33, one end of the stone suction pipeline 35 is connected with the cutter suction device 33, and the other end of the stone suction pipeline 35 is connected with the filter screen 36. A front end of the cutter suction device 33 is connected with a large-hole steel bar filter screen for filtering tree branches and other solid wastes, the cutter suction device 33 generates power through rotation to realize cutter-suction of stones and river water, and the range of stone collection and river water conllection of the cutter-suction device 33 is adjusted through the single-arm slewing crane 34, so that the construction may be flexibly adjusted to ensure the supply of raw materials and the construction efficiency. The stones and river water enter the stone suction pipeline 35 through the cutter-suction device, and a tail end of the stone suction pipeline 35 is connected with the filter screen 36 to achieve preliminary screening of stones. After screening, stones that does not meet the particle size requirement are discharged into a reject bin 21 through a reject pipeline 37, stones that meet the particle size requirements and a proper amount of river water enter the stone crushing subsystem 4 through a pipeline, and excess river water is discharged into the river channel through a pipeline.

[36] The stone crushing subsystem 4 comprises a crushing device 41, a screening device 42 and a feeding hopper 43 which are sequentially arranged from top to bottom, and an outlet end of the stone suction pipeline 35 is introduced into the crushing device 41. The stones and the proper amount of river water enter the crushing device 41 through a tail end of the filter screen 36 of the stone collection subsystem 3, then the crushed stones enter a lower screening and dehydration device, and the screened aggregate and sewage respectively enter a sedimentation tank, a graded coarse aggregate bin and the fine aggregate processing system 5 through the feeding hopper. All devices are connected by pipelines, processed products are basically conveyed to other devices or bins by gravity, the whole process is in a closed space, and wet crushing and screening are adopted. Treated sewage is reused or discharged into the river channel, without generating pollutants such as dust and sewage.

[37] The fine aggregate processing subsystem 5 comprises a sand making device 51, a sand washing device 52 and a dehydrating device 53 which are sequentially arranged from top to bottom, and the fine aggregate processing subsystem 5 is arranged on a lower side of the screening device 42 of the stone crushing subsystem 4, and used for further processing crushed coarse aggregate into fine aggregate through the sand making device 51; and the fine aggregate processing subsystem 5 further comprises a water pump 54 and a pipeline 55, the water pump 54 is connected with the pipeline 55 and then used for pumping clean water into the sand washing device 52 for sand washing, and the fine aggregate after sand washing is dehydrated by the dehydrating device; and the sand and sewage respectively enter the fine aggregate bin and the sedimentation tank through pipelines. A belt conveyor is arranged between the fine aggregate processing subsystem and the stone crushing system, and used conveying super-sized aggregate to the stone crushing subsystem for secondary processing, and a sealed protective cover is arranged outside the belt conveyor to ensure that the aggregate is conveyed in a closed space.

[38] The concrete mixing subsystem 6 comprises a mixing station 61, a raw material delivery pipeline 62 and a raw material delivery device 63, wherein the raw material delivery device comprises a belt conveyor 631 and a bucket feeder 632; and further comprises a water pump 64 for adding water and a water supply pipe 65 connected to the water pump. Coarse aggregate and fine aggregate are respectively conveyed to an end portion of an aggregate conveying channel by the belt conveyor at a bin bottom and then vertically conveyed by the bucket feeder, and finally enter the concrete mixing station through a pipeline, water for concrete mixing is pumped to the mixing station from the clean water tank by the water pump, and fly ash and cement are vertically conveyed to the mixing station from a fly ash bin and a cement bin respectively by the bucket feeder. The bucket elevator can save a feeding space compared with a conveying belt, and outlets of raw material delivery pipelines are all provided with an electronic metering device or a bucket weighing system is arranged in the mixing station 61, so as to ensure that a mixing proportion of concrete meets the use requirement. After all raw materials are conveyed to the mixing station, concrete is stirred and produced by the mixing station, and the produced concrete enters a clinker hopper at a bottom portion of the mixing station. An arc door at a bottom portion of the clinker hopper is connected with a pump hopper through a chute.

[39] In another embodiment, based on the above embodiment, with reference to FIG. 2, the storage compartment 2 is arranged below a deck, the storage compartment 2 comprises a reject bin 21, a fine aggregate bin 22, a graded coarse aggregate bin 23, a clean water pool for domestic and production use 24, a fly ash bin 25 and a cement bin 26, and the reject bin 21, the fine aggregate bin 22, the graded coarse aggregate bin 23, the clean water pool for domestic and production use 24, the fly ash bin 25 and the cement bin 26 are symmetrically distributed on two sides of the hull. Arrangement positions of the above six shipping spaces are determined according to positions of the subsystems of the shipbome concrete production system, and the arrangement positions of the subsystems may be appropriately adjusted according to a ship type and a device size of the production system.

[40] In a preferred embodiment, with reference to FIG. 2, the system further comprises a hull automatic balancing subsystem 7, and the hull automatic balancing subsystem 7 comprises hull partition balancing water tanks 71, wherein the hull partition balancing water tanks 71 are distributed around the hull, and divided into a plurality of small water tanks according to the hull; and further comprises a level sensor and a control mainboard which are mounted on the hull, and an automatic water pump arranged in each hull partition balancing water tank 71, wherein one end of the automatic water pump is communicated with a bottom portion of the hull partition balancing water tank 71, the other end of the automatic water pump is communicated below a water surface of a river channel, the level sensor and the automatic water pump are electrically connected with the control mainboard respectively, the level sensor is used for transmitting stability information of the hull to the control mainboard in real time, and when a numerical value of the level sensor exceeds a preset threshold, the control mainboard automatically calculates a water injection volume or a water displacement of the hull partition balancing water tank, and then starts the automatic water pump to inject water into or discharge water from specific hull partition balancing water tank.

[41] In another preferred embodiment, with reference to FIG. 3, the system further comprises a delivery subsystem 8, the delivery subsystem comprises a concrete pump machine 81, a turntable 82 and a pump pipe 83, and the delivery subsystem 3 is used for completing luffing and steering feeding by the luffing pump pipe 83 under the rotation of the turntable 82 after a finished concrete product enters the concrete pump machine 81 through a chute, so as to meet distribution requirements in different positions. In another distribution mode, the delivery subsystem 3 is used for completing luffing and steering feeding by the luffing pump pipe 83 under the hoisting of the single-arm slewing crane 34 after the finished concrete product enters the concrete pump machine 81 through the chute, so as to meet distribution requirements in different positions.

[42] In another preferred embodiment, the system further comprises a water purification subsystem 9, and the water purification subsystem comprises a sedimentation tank 91, a water purification device 92 communicated with the sedimentation tank and a control mainboard 94, wherein the sedimentation tank 91 comprises a coagulation box 911, a sedimentation box 912 and a filter box 913, the water purification device 92 is connected to a lower end of the filter box 913, an inlet of the coagulation box 911 and an inlet of the water purification device 92 are both provided with a flow monitoring instrument 95, and a water quality detection instrument 96 is mounted in the water purification device; and further comprises a full-automatic dosing device 93 for adding a chemical into the coagulation box and the water purification device, wherein the flow monitoring instrument 95, the water quality detection instrument 96 and the full-automatic dosing device 93 are electrically connected with the control mainboard 94 respectively.

[43] In another preferred embodiment, the shipbome concrete production system further comprises a marine system 10, wherein the marine system 10 comprises a marine engine room power device 101, a marine living quarters 102 and a marine tool room 103, and belongs to a universal system to realize basic functions such as the power of the hull and the daily life of the crew, and domestic sewage of the marine living quarters 102 is discharged into a domestic sewage tank 104. The domestic water of the crew is purified by a drinking fountain at ordinary times, and because there is less domestic sewage, the domestic sewage is collected by being discharged into the domestic sewage tank, and then conveyed to a sewage treatment plant for treatment by a special vehicle after landing. Meanwhile, the marine system provides power for the whole shipbome concrete production system.

[44] In the above embodiment, the full-automatic dosing device 93, the water quality monitoring instrument 95, the control mainboard 94 and the like are integrated into the water purification device 92, and a main working principle is as follows.

[45] Sewage in the process of stone crushing and sand washing enters the sedimentation tank 91 for pretreatment first, the sedimentation tank 91 is divided into three boxes, comprising the coagulation box 911, the sedimentation box 912 and the filter box 913, the inlet of the coagulation box 911 is provided with the flow monitoring instrument 95, and according to a flow rate, the full-automatic dosing device 93 automatically calculates an amount of a water purification agent to be added, and regularly and quantitatively adds the water purification agent into the coagulation box 911. After the sewage is mixed in the coagulation box 911, a colloids and a suspended solids form a large-particle floc which is easy to precipitate, then the sewage enters the sedimentation box 912 for precipitating the large-particle floc and a sediment, and finally the sewage enters the filter box 913 for filtration, so that the sediment, the suspended solids and the colloids in the sewage are filtered out and then the filtered sewage flows into the water purification device 92.

[46] The inlet of the water purification device 92 is provided with the flow monitoring instrument 95, and after water enters the water purification device 92, the water quality detection instrument 96 dynamically detects the water quality, and mainly detects indicators such as a PH value, a chloride ion, a sulfate ion and an alkali content, and detection results of the water quality detection instrument 96 are transmitted to the control mainboard 94. A concrete producer may set a detection indicator range according to a concrete production type through the control mainboard 94, an indicator for a standard of water for concrete mixing is analyzed by the control mainboard 94 according to a preset indicator value, and if the indicator exceeds the standard of water, a concentration of the chemical added is automatically calculated according to a water inflow of the device and a water quality detection indicator value, and configuration information is transmitted to the full-automatic dosing device 93. The full-automatic dosing device 93 configures the chemical according to a concentration ratio of the chemical, and regularly and quantitatively adds the chemical to the water purification tank automatically to mix with the sewage. After the reaction, the sewage is filtered once, and then flows into the clean water pool for domestic and production use 24 through the pipeline for later use.

[47] A coagulant, a filter aid, an acid-base solution, calcium chloride, calcium bicarbonate, a disinfectant and other chemicals to be added in sewage treatment are provided by the full-automatic dosing device 93, the device is controlled by PLC, and a control cabinet is provided with functions such as low-water-level pump stop, and audible and visual alarm for mechanical failure of metering pump and blender, so that the device can not only prepare the solution, but also add the chemical quantitatively and regularly.

[48] In another preferred embodiment, the storage compartment 2 is symmetrically distributed on two sides of the hull 1, and the stone collection subsystem 3, the stone crushing subsystem 4, the fine aggregate processing subsystem 5 and the concrete mixing subsystem 6 are mounted on a axis of long shaft a of the hull. Therefore, on one hand, the mounting device on the hull 1 is in a static balance state, and on the other hand, sufficient space may be left on the deck 11 of the hull 1 for onsite production and operation personnel to work on the ship.

[49] With reference to FIG. 1 to FIG. 5, a shipbome concrete production method of the above embodiment comprises the following steps of:

[50] Step 1: starting a hull automatic balancing subsystem 7 to maintain balance in a loading process, and loading sufficient cement, fly ash and admixture;

[51] Step 2: navigating a ship to a predetermined position for berthing, starting a stone collection subsystem 3 to collect stones, or collect stones while cleaning river channel sediments, and after primary screening by a filter screen 36, allowing qualified stones to enter a stone crushing subsystem 4, and allowing unqualified stones to enter a reject bin 21;

[52] Step 3: starting a stone crushing subsystem 4 to crush and screen the qualified stones, dehydrating qualified aggregate and then allowing the qualified aggregate to enter a coarse aggregate bin 23, according to a required amount of fine aggregate, returning a part of the coarse aggregate to the stone crushing subsystem 4 to crush the coarse aggregate into the fine aggregate again, allowing the fine aggregate to enter a fine aggregate processing subsystem 5 for further crushing or sand making by rod milling, carrying out screening and dehydration procedures after crushing or sand making by rod milling, allowing qualified fine aggregate to enter a fine aggregate bin 22, and allowing sewage to flow into a sedimentation tank 91;

[53] Step 4: filtering and precipitating the sewage in the sedimentation tank 91 through a coagulation box 911, a sedimentation box 912 and a filter box 913 step by step, adding a water purification agent in proportion in the process to promote the precipitation and filtration of impurities such as a sediment, a suspended solids and a colloids in water, wherein addition time and amount of the water purification agent are automatically calculated by a system program according to automatic detection of a water quality detection instrument 96, then transmitting configuration information to a full-automatic dosing device 93, automatically preparing a chemical according to the program by the full-automatic dosing device 93, regularly and quantitatively adding the chemical into a water purification tank to be mixed and stirred with sewage automatically, and allowing treated clean water to flow into a clean water tank for later use; and

[54] Step 5 : concrete mixing: starting a belt conveyor 631 at bottom portions of the coarse aggregate bin 23 and the fine aggregate bin 22, conveying the aggregate to a bucket feeder 632 through the belt conveyor 631, then vertically conveying the aggregate by the bucket feeder 632 to enter a concrete mixing station 61 through a raw material conveying pipe 62, pumping water for concrete mixing to the mixing station 61 from a clean water pool for domestic and production use 24 by a water pump, and vertically conveying fly ash and cement to the mixing station 61 from a fly ash bin 25 and a cement bin 26 respectively through the bucket feeder 632, so as to complete concrete mixing.

[55] Preferably, in the process of executing the Step 1 to the Step 5, the hull automatic balancing subsystem 7 is started all the time to automatically monitor a balance situation of the hull 1, the level sensor 12 transmits stability information of the hull 1 to the control mainboard 13 in real time, and when a numerical value of the level sensor 12 exceeds a preset threshold, the control mainboard 13 automatically calculates a water injection volume or a water displacement of the hull partition balancing water tank 71, and starts the automatic water pump 72 to inject water into or discharge water from specific hull partition balancing water tank 71, so as to keep the hull 1 balanced all the time.

[56] Finally, it should be noted that, the above embodiments are only used to illustrate the technical solutions of the present disclosure, and are not intended to limit the present disclosure. Although the present disclosure is described in detail with reference to the preferred embodiments, those of ordinary skills in the art should understand that modifications or equivalent replacements made on the technical solutions of the present disclosure without deviating from the purpose and scope of the technical solutions of the present disclosure should be included within the scope of the claims of the present disclosure.

Claims

1. A shipbome concrete production system, comprising a hull (1), characterized in that the system comprises a storage compartment (2), a stone collection subsystem (3), a stone crushing subsystem (4), a fine aggregate processing subsystem (5) and a concrete mixing subsystem (6), the stone crushing subsystem (4) is connected to a lower end of the stone collection subsystem (3), and the fine aggregate processing subsystem (5) is connected to a lower end of the stone crushing subsystem (4); wherein the stone collection subsystem (3) comprises an air compressor (31), a air pipe (32), a cutter suction device (33), a single-arm slewing crane (34), a stone suction pipeline (35) and a filter screen (36), the air compressor (31) forms negative pressure gas through the air pipe (32) and then the negative pressure gas passes through the cutter suction device (33), the single-arm slewing crane (34) hoists the cutter suction device (33) for adjusting a range of stone collection and river water conllection by the cutter suction device (33), one end of the stone suction pipeline (35) is connected with the cutter suction device (33), and the other end of the stone suction pipeline (35) is connected with the filter screen (36);the stone crushing subsystem (4) comprises a crushing device (41), a screening device (42) and a feeding hopper (43) which are sequentially arranged from top to bottom, and an outlet end of the stone suction pipeline (35) is introduced into the crushing device (41);the fine aggregate processing subsystem (5) comprises a sand making device (51), a sand washing device (52) and a dehydrating device (53) which are sequentially arranged from top to bottom, and the fine aggregate processing subsystem (5) is arranged on a lower side of the screening device (42) of the stone crushing subsystem (4), and is used for further processing crushed coarse aggregate to form fine aggregate through the sand making device (51); and the fine aggregate processing subsystem (5) further comprises a water pump (54) and a pipeline (55) connected with the water pump (54), the water pump (54) is connected with the pipeline (55) and then is used for pumping clean water into the sand washing device (52) for sand washing, and the fine aggregate after sand washing is dehydrated by the dehydrating device (53); andthe concrete mixing subsystem (6) comprises a mixing station (61), a raw material delivery pipeline (62) and a raw material delivery device (63), wherein the raw material delivery device (63) comprises a belt conveyor (631) and a bucket elevator (632); and further comprises a water pump (64) for adding water and a water supply pipe (65) connected to the water pump (64).

2. The shipbome concrete production system according to claim 1, characterized in that the storage compartment (2) is arranged below a deck (11), the storage compartment (2) comprises a reject bin (21), a fine aggregate bin (22), a graded coarse aggregate bin (23), a clean water pool for domestic and production use (24), a fly ash bin (25) and a cement bin (26), and the reject bin (21),the fine aggregate bin (22), the graded coarse aggregate bin (23), the clean water pool for domestic and production use (24), the fly ash bin (25) and the cement bin (26) are symmetrically distributed on two sides of the hull (1).

3. The shipbome concrete production system according to claim 1, characterized in that the system further comprises a hull automatic balancing subsystem (7), and the hull automatic balancing subsystem (7) comprises hull partition balancing water tanks (71), wherein the hull partition balancing water tanks (71) are distributed around the hull (1); and further comprises a level sensor (12) and a control mainboard (13) which are mounted on the hull (1), and automatic water pumps (72) arranged in each hull partition balancing water tank (71), wherein one end of the automatic water pump (72) is connected to a bottom portion of the hull partition balancing water tank (71), the other end of the automatic water pump (72) is connected below a water surface of a river channel, the level sensor (12) and the automatic water pump (72) are electrically connected with the control mainboard (13) respectively, the level sensor (12) is used for transmitting stability information of the hull (1) to the control mainboard (13) in real time, and when a numerical value of the level sensor (12) exceeds a preset threshold, the control mainboard (13) automatically calculates a water injection volume or a water displacement of the hull partition balancing water tanks (71), and then starts the automatic water pump (72) to inject water into or drain water from specific hull partition balancing water tank (71).

4. The shipbome concrete production system according to claim 1, characterized in that the system further comprises a delivery subsystem (8), the delivery subsystem (8) comprises a concrete pump machine (81), a single-arm slewing crane (34) or turntable (82) shared with the cutter suction device (33), and a pump pipe (83), and the delivery subsystem (8) is used for completing luffing and steering feeding by the pump pipe (83) under the hoisting of the single-arm slewing crane (34) or the rotation of the turntable (82) after a finished concrete product enters the concrete pump machine (84), so as to meet distribution requirements in different positions.

5. The shipbome concrete production system according to claim 1, characterized in that the system further comprises a water purification subsystem (9), and the water purification subsystem (9) comprises a sedimentation tank (91), a water purification device (92) connected with the sedimentation tank (91) and a control mainboard (94), wherein the sedimentation tank (91) comprises a coagulation box (911), a sedimentation box (912) and a filter box (913), an inlet of the coagulation box (911) and an inlet of the water purification device (92) are both provided with a flow monitoring instrument (95), and a water quality detection instrument (96) is mounted in the water purification device (92); and further comprises a full-automatic dosing device (93) for adding chemicals into the coagulation box (911) and the water purification device (92), wherein the flowmonitoring instrument (95), the water quality detection instrument (96) and the full-automatic dosing device (93) are electrically connected with the control mainboard (94) respectively.

6. The shipbome concrete production system according to claim 2, characterized in that the storage compartment (2) is symmetrically distributed on two sides of the hull (1), and the stone collection subsystem (3), the stone crushing subsystem (4), the fine aggregate processing subsystem (5) and the concrete mixing subsystem (6) are mounted on axis of long shaft (a) of the hull (1).

7. The shipbome concrete production system according to claim 2, characterized by further comprising a marine system (10), wherein the marine system (10) comprises a marine engine room power device (101), a marine living quarters (102) and a marine tool room (103), and domestic sewage of the marine living quarters (102) is discharged into a domestic sewage tank (104).

8. A shipbome concrete production method, characterized by comprising:Step 1: starting a hull automatic balancing subsystem (7) to maintain balance during a loading process, and loading sufficient cement, fly ash and admixture;Step 2: navigating to a predetermined position to being berthed, starting a stone collection subsystem (3) to collect stones, or collect stones while cleaning river channel sediments, and after preliminary screening by a filter screen (36), allowing qualified stones to enter a stone crushing subsystem (4), and allowing unqualified stones to enter a reject bin (21);Step 3: starting a stone crushing subsystem (4) to crush and screen the qualified stones, dehydrating qualified aggregate and then allowing the qualified aggregate to enter a coarse aggregate bin (23), according to a required amount of fine aggregate, returning a part of the coarse aggregate to the stone crushing subsystem (4) to crush the coarse aggregate into the fine aggregate, allowing the fine aggregate to enter a fine aggregate processing subsystem (5) for further crushing or rod milling to make sand, then carrying out screening and dehydration procedures, allowing qualified fine aggregate to enter a fine aggregate bin (22), and allowing sewage to flow into a sedimentation tank (91);Step 4: filtering and precipitating the sewage in the sedimentation tank (91) through a coagulation box (911), a sedimentation box (912) and a filter box (913) step by step, adding a water purification agent in proportion in the process to promote the precipitation and filtration of impurities such as silt, suspended solids and colloids in water, wherein addition time and amount of the water purification agent are automatically calculated by a system program according to automatic detection of a water quality detection instrument (96), then transmitting configuration information to a full-automatic dosing device (93), automatically configuring a chemical according to the program by the full-automatic dosing device (93), regularly and quantitatively adding the chemical into a water purification tank to be mixed and stirred with sewage automatically, andallowing treated clean water to flow into a clean water tank for standby; andStep 5: mixing concrete: starting a belt conveyor (631) at bottom portions of the coarse aggregate bin (23) and the fine aggregate bin (22), conveying the aggregate to a bucket feeder (632) through the belt conveyor (631), then vertically conveying the aggregate by the bucket feeder (632) to enter a concrete mixing station (61) through a raw material conveying pipe (62), pumping water for concrete mixing to the mixing station (61) from a clean water pool for domestic and production use (24) by a water pump, and vertically conveying fly ash and cement to the mixing station (61) from a fly ash bin (25) and a cement bin (26) respectively through the bucket feeder (632) to complete concrete mixing.

9. The shipbome concrete production method according to claim 8, characterized in that during the process of executing the Step 1 to the Step 5, the hull automatic balancing subsystem (7) is started all the time to automatically monitor a balance situation of a hull (1), a level sensor (12) transmits stability information of the hull (1) to a control mainboard (13) in real time, and when a numerical value of the level sensor (12) exceeds a preset threshold, the control mainboard (13) automatically calculates a water injection volume or a water displacement of a hull partition balancing water tank (71), and starts an automatic water pump (72) to inject water into or drain water from specific hull partition balancing water tank (71) to keep the hull (1) balanced all the time.

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