CN113149300A

CN113149300A - Marine ballast water treatment facilities

Info

Publication number: CN113149300A
Application number: CN202110449598.2A
Authority: CN
Inventors: 董志超; 李昌欣; 李升杰
Original assignee: Cosco Weihai Shipbuilding Marine Technology Co ltd
Current assignee: Cosco Weihai Shipbuilding Marine Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-23

Abstract

The application discloses marine ballast water processing apparatus, including purifying the box, purifying the box and separating into cavity and cavity down through the baffle, the cavity is equipped with the water inlet down, goes up the cavity and is equipped with the delivery port, is equipped with the section of thick bamboo that deactivates of filtering in the purifying box, the vertical setting of the barrel of section of thick bamboo that deactivates of filtering is filter screen, water guide plate and ultraviolet irradiation device from outside-in proper order, both ends are connected with baffle and purification box bottom plate respectively about the filter screen, and the water guide plate upper end is connected with the baffle, and the lower extreme has the clearance with purifying box bottom plate, forms outer drainage channel between filter screen and the water guide plate, forms inner drainage channel between water guide plate and the ultraviolet irradiation device, and inner drainage channel and last cavity intercommunication, the water of cavity flows in inner drainage channel through the filter screen entering outer drainage channel down, flows in the cavity by inner drainage channel. The invention has simple structure and small volume and can greatly improve the effective irradiation area of the ultraviolet lamp tube.

Description

Marine ballast water treatment facilities

Technical Field

The invention belongs to the technical field of ballast water treatment, and particularly relates to a marine ballast water treatment device.

Background

The ballast water of the ship is ballast carried by the ship for stable balance of the ship when the ship is offshore, the tonnage is vacated when the ship arrives at the shore, the ballast water is required to be discharged into a sea area of a shore country, and the invasion of foreign organisms caused by the discharge of the ballast water of the ship becomes a main path for the spread of harmful organisms in the sea. In 2004, the international maritime organization "international convention on the control and management of ballast water and sediments in ships" stipulates that ballast water treatment facilities must be installed in newly constructed ships.

At present, methods for treating ship ballast water include mechanical cleaning methods, physical methods, chemical methods, etc., mechanical cleaning methods are classified into filtration methods, cyclone separation methods, etc., and physical methods are classified into heating methods, ultraviolet methods, ultrasonic methods, etc. The chemical method mainly comprises a chlorination method and an ozone method, chlorine is easy to corrode pipelines and ballast tanks, ozone generating equipment and dosing equipment are complex, cost is high, and ozone cannot effectively kill algae organisms with large granularity. The filtration method is a ballast water treatment method that uses a filter element to filter out large-sized aquatic organisms and solid particles in ballast water, and is considered to be a ballast water treatment method with minimal environmental hazard. Can effectively remove larger particles and organisms, has little effect on viruses and bacteria, needs backwashing in time to remove dirt, but has the defect that the residual microorganisms cannot be removed by a filtering method. The ultraviolet method is characterized in that ultraviolet rays with the wavelength of about 253.7nm are used for irradiating microorganisms such as bacteria, viruses and the like to cause the microorganisms to die or lose the reproductive capacity immediately, and the ultraviolet rays have the advantages of high sterilization efficiency, broad spectrum, no secondary pollution, low cost, safety and reliability. The device for treating ballast water by combining a filtering method and ultraviolet irradiation in the prior art is provided, but because the structural design is unreasonable, separate filter equipment and ultraviolet equipment are needed, the appearance structure of the equipment is large, the structure of a pipeline needing to be arranged in the installation is complex, the effective irradiation area of an ultraviolet lamp in the working process is small, and the treatment effect is not ideal.

Disclosure of Invention

In order to solve the problem that the prior art has ballast water treatment facilities treatment effeciency not good, this application provides a marine ballast water treatment facilities.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a marine ballast water processing apparatus, includes and purifies the box, purify the box and separate into cavity and cavity down through the baffle, the cavity is equipped with the water inlet down, goes up the cavity and is equipped with the delivery port, is equipped with in the purifying box and filters the section of thick bamboo that deactivates, the vertical setting of the barrel of filtering the section of thick bamboo that deactivates is from outside-in for filter screen, water guide plate and ultraviolet irradiation device in proper order, both ends are connected with baffle and purifying the box bottom plate respectively about the filter screen, and the water guide plate upper end is connected with the baffle, and the lower extreme has the clearance with purifying the bottom plate, forms outer drainage channel between filter screen and the water guide plate, forms inner drainage channel between water guide plate and the ultraviolet irradiation device, and inner drainage channel and last cavity intercommunication are gone up to the water of cavity gets into outer drainage channel through the filter screen and flows into inner drainage channel, by inner drainage channel inflow cavity.

The ultraviolet irradiation device comprises an ultraviolet lamp tube and a quartz sleeve, the ultraviolet lamp tube is arranged in the center of the water guide plate cylinder, the quartz sleeve is sleeved outside the ultraviolet lamp tube, and cover plates are arranged at two ends of the quartz sleeve.

Still be equipped with waste fitting discharging in the purifying box, waste fitting discharging includes suction nozzle, soil pick-up head and blow off pipe and dredge pump, and the suction nozzle sets up in the filter screen outside, and the suction nozzle is connected with the soil pick-up head, and the first inner chamber of soil pick-up links to each other with the blow off pipe, and the blow off pipe is connected the dredge pump.

Preferably, the dirt suction head is connected with a screw nut, the screw nut is sleeved on the screw rod, the upper end of the screw rod is connected with the baffle plate through a bearing, and the lower end of the screw rod is connected with the motor. The motor drives the screw rod to rotate, the screw rod nut moves up and down along the screw rod to drive the dirt suction head to move up and down, and dirt on the filter screen is cleaned.

More preferably, the upper cavity is provided with a maintenance cover plate so as to overhaul and replace internal consumables.

Preferably, the bottom plate of the purifying box body and the baffle plate are provided with fixing grooves, the filtering and inactivating cylinder is installed in the fixing grooves, and the filtering and inactivating cylinder is externally provided with an O-shaped sealing ring.

The invention has the advantages that a plurality of relatively independent filtering deactivation cylinders are arranged in the purification box, the filter screen of the filtering deactivation cylinder finishes primary interception in the process that water flows from the lower water inlet to the upper water outlet, the water flow is controlled by the water guide plate to pass through the filtering deactivation cylinder, and physical deactivation is finished by irradiation of the ultraviolet lamp tube. The invention has simple structure and small volume and can greatly improve the effective irradiation area of the ultraviolet lamp tube.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a sectional view a-a in fig. 1.

Fig. 3 is a partially enlarged view B of fig. 2.

Fig. 4 is a top view of fig. 2 (with the maintenance cover plate omitted).

In the figure: the device comprises a purification box body 1, a bottom plate 11, a fixing groove 12, a maintenance cover plate 13, an upper cavity 2, a baffle 3, a lower cavity 4, a water outlet 5, a water inlet 6, a filtering deactivation cylinder 7, a 71 filter screen, a 72 water guide plate, a 73 ultraviolet irradiation device, a 731 ultraviolet lamp tube, a 732 quartz sleeve, a 733 cover plate, an 74 outer drainage channel, a 75 inner drainage channel, a 76 gap, an 8O-shaped sealing ring, a 9 sewage discharge device, a 91 suction nozzle, a 92 sewage suction head, a 93 sewage discharge pipe, a 94 sewage discharge outlet, a 95 lead screw nut, a 96 lead screw, a 97 bearing and a 98 motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

as shown in fig. 1-3, a marine ballast water treatment device, includes purifying box 1, purifying box 1 separates into upper cavity 2 and lower cavity 4 through baffle 3, and lower cavity 4 is equipped with water inlet 6, and upper cavity 2 is equipped with delivery port 5, is equipped with in the purifying box and filters deactivation cylinder 7, and filtration deactivation cylinder 7 sets up quantity according to the purifying box size setting, and every filtration deactivation cylinder 7 can independently work. Be provided with fixed slot 12 on purifying box bottom plate 11 and the baffle 3, filter a section of thick bamboo 7 of deactivating and install in fixed slot 12, filter a section of thick bamboo 7 of deactivating and be equipped with O type sealing washer 8 outward, realize will filter a section of thick bamboo 7 of deactivating and quick, seal installation in purifying box 1.

The filtering and deactivating cylinder 7 is vertically arranged and sequentially provided with a filter screen 71, a water guide plate 72 and an ultraviolet irradiation device 73 from outside to inside, the upper end and the lower end of the filter screen 71 are respectively connected with the baffle 3 and the bottom plate 11 of the purifying box body 1, the upper end of the water guide plate 72 is connected with the baffle 3, a gap 76 is arranged between the lower end of the water guide plate 72 and the bottom plate 11 of the purifying box body, an outer drainage channel 74 is formed between the filter screen 71 and the water guide plate 72, an inner drainage channel 75 is formed between the water guide plate 72 and the ultraviolet irradiation device 73, the inner drainage channel 75 is communicated with the upper cavity 2, and water in the lower cavity 4 enters the outer drainage channel 74 through the filter screen 71 to flow. The filtering and deactivating cylinder 7 is a structure integrating a filter and ultraviolet rays, water in the purifying box enters the outer drainage channel 74 through the filter screen 71, the filter screen 71 filters large granular substances and aquatic organisms, the water in the outer drainage channel 74 flows into the inner drainage channel 75 from the lower part, and in the process of upward flowing of the water, the ultraviolet irradiation device 73 sterilizes and sterilizes the water to achieve the purpose of deactivation.

In this embodiment, the ultraviolet irradiation device 73 includes an ultraviolet lamp 731 and a quartz sleeve 732, the ultraviolet lamp 731 is disposed in the center of the cylinder of the water guide plate 72, the quartz sleeve 732 is sleeved outside the ultraviolet lamp 731, and cover plates 733 are disposed at two ends of the quartz sleeve 732. The quartz sleeve 732 and the cover plate 733 form a sealing structure to protect the ultraviolet lamp 731, thereby prolonging the service life of the ultraviolet lamp 731 and improving the use safety.

Example 2:

on the basis of embodiment 1, in order to ensure the permeability of the filter screen 71 in the using process, a sewage draining device 9 is further arranged in the purifying box. The sewage discharging device 9 comprises a suction nozzle 91, a sewage suction head 92, a sewage discharging pipe 93 and a sewage discharging pump, wherein the suction nozzle 91 is arranged outside the filter screen 71, the suction nozzle 91 is connected with the sewage suction head 92, the inner cavity of the sewage suction head 92 is connected with the sewage discharging pipe 93, and the sewage discharging port 94 of the sewage discharging pipe 93 is connected with the sewage discharging pump. The dirt absorbing head 92 is connected with a screw nut 95, the screw nut 95 is sleeved on a screw 96, the upper end of the screw 96 is connected with the baffle 3 through a bearing 97, and the lower end of the screw is connected with a motor 98. The motor 98 drives the screw rod 96 to rotate, and the screw rod nut 95 moves up and down along the screw rod 96 to drive the dirt suction head 92 to move up and down, so that dirt on the filter screen 71 is cleaned. The sewage pump connected through the sewage discharge pipe 93 forms a certain negative pressure, and sediments outside the filter screen 71 are sucked through the suction port of the suction nozzle 91, so that the filter screen 71 keeps good permeability.

Preferably, the upper chamber 2 is provided with a maintenance cover 13 to repair and replace internal consumables.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a marine ballast water processing apparatus, includes purifying the box, its characterized in that: the purification box body is separated into an upper cavity and a lower cavity through a baffle, the lower cavity is provided with a water inlet, the upper cavity is provided with a water outlet, a filtering deactivation cylinder is arranged in the purification box body, the cylinder body of the filtering deactivation cylinder is vertically arranged, a filter screen, a water guide plate and an ultraviolet irradiation device are sequentially arranged from outside to inside, the upper end and the lower end of the filter screen are respectively connected with the baffle and a bottom plate of the purification box body, the upper end of the water guide plate is connected with the baffle, a gap is reserved between the lower end of the water guide plate and the bottom plate of the purification box body, an outer drainage channel is formed between the filter screen and the water guide plate, an inner drainage channel is formed between the water guide plate and the ultraviolet irradiation device and is communicated with the upper cavity, water in the lower cavity enters the outer drainage channel through the filter screen and flows into the inner drainage channel, and flows into the upper cavity through the inner drainage channel.

2. The ballast water treatment apparatus for ships according to claim 1, wherein: the ultraviolet irradiation device comprises an ultraviolet lamp tube and a quartz sleeve, the ultraviolet lamp tube is arranged in the center of the water guide plate cylinder, the quartz sleeve is sleeved outside the ultraviolet lamp tube, and cover plates are arranged at two ends of the quartz sleeve.

3. The ballast water treatment apparatus for ships according to claim 1, wherein: still be equipped with waste fitting discharging in the purifying box, waste fitting discharging includes suction nozzle, soil pick-up head and blow off pipe and dredge pump, and the suction nozzle sets up in the filter screen outside, and the suction nozzle is connected with the soil pick-up head, and the first inner chamber of soil pick-up links to each other with the blow off pipe, and the blow off pipe is connected the dredge pump.

4. The ballast water treatment apparatus for ships according to claim 3, wherein: the sewage suction head is connected with a screw nut, the screw nut is sleeved on the screw rod, the upper end of the screw rod is connected with the baffle plate through a bearing, and the lower end of the screw rod is connected with the motor.

5. The ballast water treatment apparatus for ships according to any one of claims 1 to 4, wherein: the upper cavity is provided with a maintenance cover plate.

6. The ballast water treatment apparatus for ships according to any one of claims 1 to 4, wherein: the purifying box body bottom plate and the baffle are provided with fixing grooves, the filtering and inactivating cylinder is installed in the fixing grooves, and O-shaped sealing rings are arranged outside the filtering and inactivating cylinder.