Marine solid caustic soda liquefying device

Abstract

The utility model discloses a marine solid caustic soda liquefying device which comprises a marine fresh water generator, the stirring barrel is provided with a feeding hole; the marine fresh water generator, the stirring barrel and the liquid caustic soda storage cabinet are sequentially connected through pipelines; a stirring part of the stirrer is positioned in the stirring barrel. According to the utility model, the technical problem existing when liquid sodium hydroxide is used on a ship in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of solid alkali liquefaction, in particular to a marine solid alkali liquefaction device. Background Art

[0002] At present, ships mainly use desulfurization towers for desulfurization of fuel flue gas. Ship desulfurization towers mainly include open-loop desulfurization towers, closed-loop desulfurization towers, and hybrid desulfurization towers. In order to maintain the normal operation of the hybrid desulfurization tower, liquid sodium hydroxide needs to be added to the hybrid desulfurization tower. However, the use of liquid sodium hydroxide on ships has the following problems: 1. Liquid sodium hydroxide is difficult to store and takes up a large storage space; 2. The procedures for adding liquid sodium hydroxide are cumbersome and costly, and many ports cannot supply ships. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provides a marine solid alkali liquefaction device, which utilizes an existing marine fresh water maker on a ship to continuously generate distilled water with low cost. The distilled water generated by the marine fresh water maker has fewer impurities, and the liquid sodium hydroxide formed after the distilled water and solid sodium hydroxide are mixed will also have fewer impurities. Solid sodium hydroxide is added into a stirring barrel, and the solid sodium hydroxide and distilled water generate liquid sodium hydroxide under the action of a stirrer. The solid sodium hydroxide has low cost, is convenient to store, and occupies little space.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a marine solid alkali liquefaction device, comprising:

[0005] Marine water generator;

[0006] A mixing barrel, wherein the mixing barrel is provided with a feeding port;

[0007] Liquid alkali storage cabinet, the marine fresh water generator, the mixing barrel and the liquid alkali storage cabinet are connected in sequence through pipelines;

[0008] A stirrer, wherein the stirring part of the stirrer is located in the stirring barrel.

[0009] Furthermore, the mixing barrel also includes a water outlet, which is located at the bottom of the side wall of the mixing barrel. The agitator includes a first agitator, which includes a first motor, a first stirring rod and a plurality of first stirring blades. The first motor is installed at the bottom of the side wall of the mixing barrel, and the first motor is arranged opposite to the water outlet. One end of the first stirring rod is drivingly connected to the first motor, and a plurality of first stirring blades are respectively installed on the first stirring rod. The first stirring blade gradually approaches the water outlet from one end connected to the first stirring rod to the other end. The plurality of first stirring blades are respectively located in the mixing barrel, and the first stirring blade is arranged opposite to the water outlet.

[0010] Furthermore, the marine solid alkali liquefaction device also includes:

[0011] First valve;

[0012] Second valve;

[0013] A filter, wherein a plurality of filter layers are provided in the filter, and the first valve, the filter and the second valve are sequentially connected to the pipeline between the mixing barrel and the liquid alkali storage cabinet;

[0014] A first branch, one end of which is connected to the filter;

[0015] A third valve is provided on the first branch.

[0016] Furthermore, the mixing barrel is also provided with a cleaning port, the cleaning port is connected to a cleaning pipe, the cleaning pipe is provided with a fourth valve, the cleaning port is arranged at the bottom of the side wall of the mixing barrel, and the cleaning port is arranged opposite to the first mixing blade.

[0017] Furthermore, the marine solid alkali liquefaction device also includes:

[0018] a water pump, the water pump being arranged between the filter and the second valve;

[0019] a second branch, wherein a pipeline between the water pump and the second valve is connected to one end of the second branch;

[0020] A fifth valve is provided on the second branch.

[0021] Furthermore, a feeding hopper is provided at the feeding port, the diameter of the bottom port of the feeding hopper is smaller than the diameter of the top port, and the feeding hopper is arranged at an inclination.

[0022] Furthermore, the marine solid alkali liquefaction device also includes:

[0023] A sixth valve, the sixth valve being arranged on the pipeline between the marine fresh water generator and the mixing tank;

[0024] A PH online detector, the detection part of which is installed in the mixing barrel;

[0025] A magnetic flap liquid level gauge is installed on the outer side of the side wall of the mixing barrel, and the magnetic flap liquid level gauge is electrically connected to the sixth valve.

[0026] Furthermore, the first agitator also includes a plurality of second agitating blades, which are respectively mounted on the first agitating rod, and the second agitating blades are located inside the agitating barrel and between the first motor and the first agitating blades. The marine solid alkali liquefaction device also includes a second agitator, which includes a second motor, a second agitating rod, a plurality of third agitating blades and a plurality of fourth agitating blades. The second motor is mounted on the top outer side of the agitating barrel, and the top end of the second agitating rod is drive-connected to the second motor. A plurality of the third agitating blades are respectively mounted on the bottom end of the second agitating rod, and the third agitating blades gradually move away from the second motor from one end connected to the second agitating rod to the other end. A plurality of the fourth agitating blades are respectively mounted on the second agitating rod, and a plurality of the third agitating blades and a plurality of the fourth agitating blades are respectively located inside the agitating barrel, and the fourth agitating blade is located between the second motor and the third agitating blade.

[0027] Furthermore, the ship-borne solid alkali liquefaction device also includes a feeding mechanism, which includes a feeding hopper and an inclined slide, a conveying chain is provided below the slide, a driving sprocket meshing with the conveying chain is provided at a lower part of the inner side of the conveying chain, and a driven sprocket meshing with the chain is provided at a higher part of the inner side of the conveying chain. The feeding hopper is connected to the conveying chain, and the feeding hopper slides up and down along the side of the slide away from the conveying chain.

[0028] Furthermore, the feeding mechanism also includes a bracket, a material barrel and a driving motor. The top and bottom ends of the slide are respectively fixedly connected to the bracket, the driving sprocket and the driven sprocket are respectively rotatably connected to the bracket, the driving motor is installed at the bottom end of the bracket and drivingly connected to the driving sprocket, and the material barrel is fixedly installed at the bottom end of the bracket and is located on the side of the conveying chain away from the slide.

[0029] The beneficial effects of the utility model are:

[0030] By using the existing marine fresh water generator on the ship, distilled water can be continuously produced at a low cost. The distilled water produced by the marine fresh water generator has fewer impurities, and the liquid sodium hydroxide produced by mixing distilled water and solid sodium hydroxide will also have fewer impurities.

[0031] Solid sodium hydroxide is added into a mixing barrel, and solid sodium hydroxide and distilled water generate liquid sodium hydroxide under the action of a stirrer. Solid sodium hydroxide has a low cost, is easy to store, and occupies little space. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0033] Figure 1 It is a schematic diagram of a marine solid alkali liquefaction device of the utility model except for the feeding mechanism;

[0034] Figure 2 The utility model is a structural schematic diagram of a feeding mechanism in a marine solid alkali liquefaction device.

[0035] In the figure, 1, marine fresh water generator; 2, mixing barrel; 3, feeding port; 4, water outlet; 5, first agitator; 6, first motor; 7, second stirring blade; 8, first stirring rod; 9, first stirring blade; 10, first valve; 11, filter; 12, second valve; 13, first branch; 14, third valve; 15, cleaning port; 16, cleaning pipe; 17, fourth valve; 18, water pump; 19, second branch; 20, fifth valve; 21, feeding hopper; 22 , the sixth valve; 23, the magnetic flap level gauge; 24, the second motor; 25, the second stirring rod; 26, the fourth stirring blade; 27, the third stirring blade; 28, the second agitator; 29, the liquid alkali storage cabinet; 30, the wastewater collection tank; 31, the third branch; 32, the sampling valve; 33, the upper hopper; 34, the slide; 35, the conveyor chain; 36, the driving sprocket; 37, the driven sprocket; 38, the bracket; 39, the barrel; 40, the driving motor; 41, the pedal; 42, the guard plate. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1 -Attached Figure 2 , the technical solutions in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0037] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0038] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0039] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] In addition, the technical solutions between the various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0041] The utility model provides a marine solid alkali liquefaction device.

[0042] A marine solid alkali liquefaction device comprises: a marine fresh water generator 1; a stirring barrel 2, the stirring barrel 2 is provided with a feeding port 3; a liquid alkali storage cabinet 29, the marine fresh water generator 1, the stirring barrel 2 and the liquid alkali storage cabinet 29 are connected in sequence through pipelines; and a stirrer, the stirring part of the stirrer is located in the stirring barrel 2.

[0043] In the technical solution proposed in the present application, the existing marine fresh water generator 1 on the ship is utilized to continuously produce distilled water at a low cost. The distilled water generated by the marine fresh water generator 1 has fewer impurities, and the liquid sodium hydroxide formed by mixing the distilled water and solid sodium hydroxide will also have fewer impurities. Solid sodium hydroxide is added to the mixing barrel 2, and the solid sodium hydroxide and distilled water generate liquid sodium hydroxide under the action of the agitator. The solid sodium hydroxide has a low cost, is easy to store, and occupies little space.

[0044] The mixing barrel 2 also includes a water outlet 4, which is located at the bottom of the side wall of the mixing barrel 2. The agitator includes a first agitator 5, which includes a first motor 6, a first stirring rod 8 and a plurality of first stirring blades 9. The first motor 6 is installed at the bottom of the side wall of the mixing barrel 2, and the first motor 6 is arranged opposite to the water outlet 4. One end of the first stirring rod 8 is driven and connected to the first motor 6. The plurality of first stirring blades 9 are respectively installed on the first stirring rod 8. The first stirring blade 9 gradually approaches the water outlet 4 from one end connected to the first stirring rod 8 to the other end. The plurality of first stirring blades 9 are respectively located in the mixing barrel 2, and the first stirring blade 9 is arranged opposite to the water outlet 4.

[0045] The first motor 6 drives the first stirring rod 8 to rotate, and the first stirring rod 8 drives the first stirring blade 9 to rotate, which can not only prevent sedimentation at the bottom of the stirring barrel 2 to a certain extent, but also speed up the flow rate of liquid at the water outlet 4 to prevent the water outlet 4 from being blocked.

[0046] The marine solid alkali liquefaction device also includes: a first valve 10; a second valve 12; a filter 11, in which a plurality of filter layers are arranged, and the first valve 10, the filter 11 and the second valve 12 are sequentially connected to the pipeline between the stirring barrel 2 and the liquid alkali storage cabinet 29; a first branch 13, one end of which is connected to the filter 11; and a third valve 14, which is arranged on the first branch 13.

[0047] The filter 11 can filter out impurities in liquid sodium hydroxide. When the filter layer of the filter 11 needs to be cleaned, the second valve 12 is closed and the first valve 10 and the third valve 14 are opened. The cleaned liquid flows out through the first branch 13. The first agitator 5 can speed up the liquid flow rate to ensure the cleaning effect.

[0048] The mixing barrel 2 is also provided with a cleaning port 15 , which is connected to a cleaning pipe 16 , which is provided with a fourth valve 17 . The cleaning port 15 is provided at the bottom of the side wall of the mixing barrel 2 , and is arranged opposite to the first mixing blade 9 .

[0049] When the inside of the mixing barrel 2 needs to be cleaned, the first valve 10 is closed, the fourth valve 17 is opened, and the cleaned liquid flows out through the cleaning pipe 16 .

[0050] The marine solid alkali liquefaction device also includes: a water pump 18, which is arranged between the filter 11 and the second valve 12; a second branch 19, and the pipeline between the water pump 18 and the second valve 12 is connected to one end of the second branch 19; and a fifth valve 20, which is arranged in the second branch 19.

[0051] When it is necessary to clean the pipeline between the filter 11 and the second valve 12, the first valve 10 and the fifth valve 20 are opened, and the second valve 12 is closed. After cleaning, the liquid flows out through the second branch 19, preventing the residual liquid from corroding the pipeline.

[0052] A feeding hopper 21 is provided at the feeding port 3 . The diameter of the bottom port of the feeding hopper 21 is smaller than the diameter of the top port thereof. The feeding hopper 21 is tilted.

[0053] The diameter of the bottom port of the feeding hopper 21 is smaller than the diameter of the top port, which can prevent splashing when adding solid sodium hydroxide to a certain extent, thereby preventing harm to the staff. The feeding hopper 21 is tilted, which makes it convenient for the staff to add solid sodium hydroxide into the mixing barrel 2 through the feeding hopper 21.

[0054] The marine solid alkali liquefaction device also includes: a sixth valve 22, which is arranged on the pipeline between the marine fresh water generator 1 and the mixing barrel 2; a PH online detector, the detection part of the PH online detector is installed in the mixing barrel 2; a magnetic flap level gauge 23, the magnetic flap level gauge 23 is installed on the outer side of the side wall of the mixing barrel 2, and the magnetic flap level gauge 23 is electrically connected to the sixth valve 22.

[0055] In a specific embodiment, the above valves are all solenoid valves. The PH online detector, the first valve 10, the water pump 18 and the second valve 12 cooperate. When the liquid sodium hydroxide in the mixing barrel 2 meets the requirements, the PH online detector sends a signal, the first valve 10 and the second valve 12 open, the water pump 18 starts working, and the liquid sodium hydroxide that meets the requirements will flow into the liquid alkali storage cabinet 29. The magnetic flap level gauge 23 cooperates with the sixth valve 22. When the magnetic flap level gauge 23 detects that the liquid in the mixing barrel 2 reaches a low liquid level, the magnetic flap level gauge 23 controls the sixth valve 22 to open and add water to the mixing barrel 2. When the magnetic flap level gauge 23 detects that the liquid in the mixing barrel 2 reaches a high liquid level, the magnetic flap level gauge 23 controls the sixth valve 22 to close and stop adding water.

[0056] The first agitator 5 also includes a plurality of second agitating blades 7, which are respectively mounted on the first agitating rod 8. The second agitating blades 7 are located inside the agitating barrel 2 and between the first motor 6 and the first agitating blade 9. The marine solid alkali liquefaction device also includes a second agitator 28, which includes a second motor 24, a second agitating rod 25, a plurality of third agitating blades 27 and a plurality of fourth agitating blades 26. The second motor 24 is mounted on the top outer side of the agitating barrel 2, and the top end of the second agitating rod 25 is drivingly connected to the second motor 24. The plurality of third agitating blades 27 are respectively mounted on the bottom end of the second agitating rod 25. The third agitating blade 27 gradually moves away from the second motor 24 from one end connected to the second agitating rod 25 to the other end. The plurality of fourth agitating blades 26 are respectively mounted on the second agitating rod 25. The plurality of third agitating blades 27 and the plurality of fourth agitating blades 26 are respectively located inside the agitating barrel 2, and the fourth agitating blade 26 is located between the second motor 24 and the third agitating blade 27.

[0057] The second stirring blade 7 strengthens the stirring effect at the bottom of the stirring barrel 2 , and the first stirrer 5 and the second stirrer 28 cooperate to strengthen the overall stirring effect inside the stirring barrel 2 .

[0058] The marine solid alkali liquefaction device also includes a feeding mechanism, which includes a feeding hopper 33 and an inclined slide 34. A conveying chain 35 is provided below the slide 34. A driving sprocket 36 meshing with the conveying chain 35 is provided at a lower part of the inner side of the conveying chain 35. A driven sprocket 37 meshing with the chain is provided at a higher part of the inner side of the conveying chain 35. The feeding hopper 33 is connected to the conveying chain 35, and the feeding hopper 33 slides up and down along the side of the slide 34 away from the conveying chain 35.

[0059] When solid sodium hydroxide is put into the upper hopper 33, the solid sodium hydroxide will rise along with the upper hopper 33, which reduces the workload of the staff and improves the work efficiency.

[0060] The feeding mechanism also includes a bracket 38, a material barrel 39 and a driving motor 40. The top and bottom ends of the slide 34 are fixedly connected to the bracket 38 respectively, and the driving sprocket 36 and the driven sprocket 37 are rotatably connected to the bracket 38 respectively. The driving motor 40 is installed at the bottom end of the bracket 38 and is drivingly connected to the driving sprocket 36. The material barrel 39 is fixedly installed at the bottom end of the bracket 38 and is located on the side of the conveying chain 35 away from the slide 34.

[0061] In actual work, after the solid sodium hydroxide rises to a high place, the staff can directly take the material from the upper hopper 33, or pour the sodium hydroxide that has risen to a high place into the material barrel 39 first, and the bottom of the material barrel 39 cooperates with the feeding port 3 to realize automatic feeding. When automatic feeding is adopted, the feeding hopper 21 can be disassembled, and a discharge port is set at the bottom of the material barrel 39, and the discharge port and the feeding port 3 are sealed and connected.

[0062] In actual work, a third branch 31 is provided on the pipeline between the second valve 12 and the water pump 18, and a sampling valve 32 is provided on the third branch 31. The first branch 13, the second branch 19 and the cleaning pipe 16 are all connected to the wastewater collection tank 30. A foot pedal 41 is also provided on the bracket 38 for the convenience of the staff to add materials, and the foot pedal 41 is installed with a protective plate 42.

[0063] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the inventive concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A marine solid alkali liquefaction device, characterized in that: include: Marine water generator; A mixing barrel, wherein the mixing barrel is provided with a feeding port; Liquid alkali storage cabinet, the marine fresh water generator, the mixing barrel and the liquid alkali storage cabinet are connected in sequence through pipelines; A stirrer, wherein the stirring part of the stirrer is located in the stirring barrel.

2. The marine solid alkali liquefaction device according to claim 1, characterized in that: The mixing barrel also includes a water outlet, which is located at the bottom of the side wall of the mixing barrel. The agitator includes a first agitator, which includes a first motor, a first stirring rod and a plurality of first stirring blades. The first motor is installed at the bottom of the side wall of the mixing barrel, and the first motor is arranged opposite to the water outlet. One end of the first stirring rod is drivingly connected to the first motor. The plurality of first stirring blades are respectively installed on the first stirring rod. The first stirring blade gradually approaches the water outlet from one end connected to the first stirring rod to the other end. The plurality of first stirring blades are respectively located in the mixing barrel, and the first stirring blade is arranged opposite to the water outlet.

3. The marine solid alkali liquefaction device according to claim 2, characterized in that: The marine solid alkali liquefaction device also includes: First valve; Second valve; A filter, wherein a plurality of filter layers are provided in the filter, and the first valve, the filter and the second valve are sequentially connected to the pipeline between the mixing barrel and the liquid alkali storage cabinet; A first branch, one end of which is connected to the filter; A third valve is provided on the first branch.

4. The marine solid alkali liquefaction device according to claim 3, characterized in that: The mixing barrel is also provided with a cleaning port, the cleaning port is connected to a cleaning pipe, the cleaning pipe is provided with a fourth valve, the cleaning port is arranged at the bottom of the side wall of the mixing barrel, and the cleaning port is arranged opposite to the first mixing blade.

5. The marine solid alkali liquefaction device according to claim 4, characterized in that: The marine solid alkali liquefaction device also includes: a water pump, the water pump being arranged between the filter and the second valve; a second branch, wherein a pipeline between the water pump and the second valve is connected to one end of the second branch; A fifth valve is provided on the second branch.

6. The marine solid alkali liquefaction device according to claim 1, characterized in that: A feeding hopper is provided at the feeding port, the diameter of the bottom port of the feeding hopper is smaller than the diameter of the top port thereof, and the feeding hopper is tilted.

7. The marine solid alkali liquefaction device according to claim 1, characterized in that: The marine solid alkali liquefaction device also includes: A sixth valve, the sixth valve being arranged on the pipeline between the marine fresh water generator and the mixing tank; A PH online detector, the detection part of which is installed in the mixing barrel; A magnetic flap liquid level gauge is installed on the outer side of the side wall of the mixing barrel, and the magnetic flap liquid level gauge is electrically connected to the sixth valve.

8. The marine solid alkali liquefaction device according to claim 2, characterized in that: The first agitator also includes a plurality of second agitating blades, which are respectively mounted on the first agitating rod, and the second agitating blades are located inside the agitating barrel and between the first motor and the first agitating blade. The marine solid alkali liquefaction device also includes a second agitator, which includes a second motor, a second agitating rod, a plurality of third agitating blades and a plurality of fourth agitating blades. The second motor is mounted on the top outer side of the agitating barrel, and the top end of the second agitating rod is drivingly connected to the second motor. A plurality of the third agitating blades are respectively mounted on the bottom end of the second agitating rod, and the third agitating blades gradually move away from the second motor from one end connected to the second agitating rod to the other end. A plurality of the fourth agitating blades are respectively mounted on the second agitating rod, and a plurality of the third agitating blades and a plurality of the fourth agitating blades are respectively located inside the agitating barrel, and the fourth agitating blade is located between the second motor and the third agitating blade.

9. The marine solid alkali liquefaction device according to claim 1, characterized in that: The ship-mounted solid alkali liquefaction device also includes a feeding mechanism, which includes a feeding hopper and an inclined slideway, a conveying chain is provided below the slideway, a driving sprocket meshing with the conveying chain is provided at a lower part of the inner side of the conveying chain, and a driven sprocket meshing with the chain is provided at a higher part of the inner side of the conveying chain. The feeding hopper is connected to the conveying chain, and the feeding hopper slides up and down along the side of the slideway away from the conveying chain.

10. The marine solid alkali liquefaction device according to claim 9, characterized in that: The feeding mechanism also includes a bracket, a material barrel and a driving motor. The top and bottom ends of the slide are respectively fixedly connected to the bracket, the driving sprocket and the driven sprocket are respectively rotatably connected to the bracket, the driving motor is installed at the bottom end of the bracket and drivingly connected to the driving sprocket, and the material barrel is fixedly installed at the bottom end of the bracket and is located on the side of the conveying chain away from the slide.

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