Simple dust removal tool for ship liquid cargo tank
By installing a simple dust removal fixture consisting of a sealed cover, dust collector, and exhaust duct inside the liquid cargo tank, the problem of dust dispersion inside the liquid cargo tank was solved, and effective dust recovery and improved construction safety were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-03-24
AI Technical Summary
During the sandblasting operation on the inner walls of the liquid cargo tanks of a liquid cargo ship, metal dust can escape from the openings and doors to various parts of the deck, leading to cleaning difficulties and wasted costs.
Design a simple dust removal fixture that includes a sealed hood, a dust collector, and an exhaust duct. The sealed hood is installed at the manhole of the liquid cargo tank, and the dust collector is connected to the exhaust duct. The dust inside the tank is sucked into the dust collector through the exhaust duct to ensure pressure balance inside and outside the tank and improve safety.
It effectively recovers metal dust, ensures pressure balance inside and outside the chamber, improves construction safety and cleaning efficiency, and provides a healthy and safe working environment.
Smart Images
Figure CN224027365U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of ship and ocean engineering, in particular to a simple dust removal tool for ship liquid cargo hold. BACKGROUND
[0002] In the ship repair industry, there are various ship types, among which in the repair process of liquid cargo ship, the original ship hold inner wall paint of the ship needs to be removed and new paint is applied. During the sanding operation of the liquid cargo ship hold inner wall, the hold is always in a positive pressure state, and metal dust will escape from the hole door to various parts of the deck.
[0003] Due to the complex structure of the deck of the liquid cargo ship, it is difficult to clean the sand dust, which will cause a large waste of cleaning time and cleaning cost. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a simple dust removal tool for ship liquid cargo hold, which can recover the metal dust escaping from the hold, to solve the problems in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides a simple dust removal tool for ship liquid cargo hold, which comprises a closed cover, a dust collector and a suction tube. The closed cover is covered on the manhole position of the liquid cargo hold. One side of the closed cover is provided with an inlet. The inlet is hinged with a movable door. The movable door can open and close the inlet. One side of the closed cover is provided with a ventilation port. The dust collector is arranged on one side of the closed cover. The dust collector is provided with a connecting port. The suction tube connects the ventilation port and the connecting port to make the closed cover and the dust collector communicate.
[0006] Further, the closed cover is in the shape of a cylinder. The closed cover comprises a base, a side wall and a top cover. The base is in the shape of a sleeve. The base is covered on the manhole position of the liquid cargo hold. The side wall is arranged around the top of the base. The top cover is covered on the top of the side wall and is closed. The side wall is provided with the inlet and the ventilation port.
[0007] Further, the base is provided with a groove. The manhole position of the liquid cargo hold is provided with a bolt column. The bolt column is inserted into the groove.
[0008] Further, both sides of the manhole position of the liquid cargo hold are provided with bolt columns. Both sides of the base are provided with grooves. The bolt columns are inserted into the corresponding grooves.
[0009] Further, the groove is an annular groove. The groove is arranged around the bottom of the base. The bolt columns can be inserted into the groove.
[0010] Further, the base is provided with lifting lugs, and the lifting lugs are at least two, and the plurality of lifting lugs are arranged around the side wall of the base.
[0011] Further, the plurality of lifting lugs are uniformly arranged around the side wall of the base, and the interval of every two adjacent lifting lugs is the same.
[0012] Further, the inner diameter of the base is larger than the diameter of the manhole of the liquid cargo tank.
[0013] Further, the movable door is provided with a handle, and the handle is arranged on the other side of the hinge of the movable door.
[0014] Further, the movable door is hinged to one side of the entrance through the arranged hinge.
[0015] The beneficial effects of the utility model lie in that:
[0016] 1. When the liquid cargo ship needs to be maintained inside the liquid cargo tank, first, open the manhole cover of each tank, and the construction personnel can enter the liquid cargo tank through the manhole. Then, install the closure cover at the position of the liquid cargo tank manhole, place the dust collector on the deck, and connect the air suction cylinder. One end of the air suction cylinder is connected with the dust collector, and the other end is connected with the air vent of the closure cover. When the sanding and rust removal of the tank wall is carried out, start the dust collector, and effectively suck the dust in the tank into the dust collector through the air suction cylinder. The design of the device not only ensures the balance of the pressure inside and outside the tank, but also improves the safety during the operation, and provides a more healthy and safe working environment for the construction personnel.
[0017] 2. The base is provided with a groove, and the side of the liquid cargo tank manhole position is provided with a bolt column, and the bolt column is inserted into the groove to realize the stable installation of the base.
[0018] 3. The groove is an annular groove, and the groove is arranged around the bottom of the base. The bolt column can be inserted into the groove. The groove is arranged as an annular groove, and the position precision requirement of the bolt column is reduced. As long as the two bolt columns can be inserted into the annular groove, the position of the base can be fixed.
[0019] 4. The base is provided with lifting lugs, and the lifting lugs are at least two, and the plurality of lifting lugs are uniformly arranged around the side wall of the base, and the interval of every two adjacent lifting lugs is the same. Through the arrangement of the lifting lugs, the installation and transportation of the whole closure cover are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0021] Figure 1 The overall structure schematic diagram of a simple dust removal tool for a ship liquid cargo tank provided by the embodiment of the present application is shown in the figure.
[0022] Figure 2 The overall structure front view of the closure cover used by the simple dust removal tool for the ship liquid cargo tank provided by the embodiment of the present application is shown in the figure.
[0023] Figure 3 The Figure 2 The enlarged view of the A part in the middle.
[0024] Figure 4 The overall structure side view of the closure cover used by the simple dust removal tool for the ship liquid cargo tank provided by the embodiment of the present application is shown in the figure.
[0025] Figure 5 The overall structure top view of the closure cover used by the simple dust removal tool for the ship liquid cargo tank provided by the embodiment of the present application is shown in the figure.
[0026] Explanation of reference signs:
[0027] 1, closure cover; 11, base; 111, groove; 112, lifting lug; 12, side wall; 121, inlet; 122, ventilation opening; 13, top cover; 14, movable door; 141, hinge; 2, dust remover; 21, connecting port; 3, suction duct; 4, deck; 5, liquid cargo tank manhole; 51, bolt column. DETAILED DESCRIPTION
[0028] The technical solutions of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0029] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0030] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0031] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict.
[0032] Reference Figures 1 to 5 As a simple dust removal tool for ship liquid cargo tank provided by the utility model embodiment, including the closure cover 1, dust remover 2 and exhaust tube 3, the closure cover 1 covers the liquid cargo tank manhole 5 position, the closure cover 1 one side is equipped with the entrance 121, the entrance 121 is hinged with the movable door 14, the movable door 14 can open and close the entrance 121, the closure cover 1 one side is equipped with the vent 122;Dust remover 2 is equipped with the connecting port 21 on the closure cover 1 one side;Exhaust tube 3 connects the vent 122 and the connecting port 21 to make the closure cover 1 and dust remover 2 communicate.
[0033] When the liquid cargo ship needs to carry out internal maintenance of liquid cargo tank, first, open the manhole cover of each cabin, the construction personnel can enter the liquid cargo tank through the manhole. Subsequently, the closure cover 1 is installed in the liquid cargo tank manhole 5 position, dust remover 2 is placed on the deck 4, and the exhaust tube 3 is connected. One end of the exhaust tube 3 is connected with the dust remover 2, and the other end is connected with the vent 122 of the closure cover 1. When carrying out sanding and rust removal of the bulkhead, start the dust remover 2, and effectively suck the dust in the cabin into the dust remover 2 through the exhaust tube 3. The design of the device not only ensures the balance of the pressure inside and outside the cabin, but also improves the safety during operation, provides a more healthy and safe working environment for the construction personnel.
[0034] Specifically, the closure cover 1 is in the shape of a cylinder, and the closure cover 1 comprises a base 11, a side wall 12 and a top cover 13. The base 11 is in the shape of a sleeve, and the base 11 is fitted at the position of the liquid cargo tank manhole 5. The side wall 12 is arranged around the top of the base 11. The top cover 13 is fitted on and closed at the top of the side wall 12. The side wall of the side wall 12 is provided with an entrance 121 and a ventilation opening 122. The connection between the base 11 and the side wall 12 and the connection between the side wall 12 and the top cover 13 are both by welding. The bottom of the base 11 is provided with a groove 111, and the position of the liquid cargo tank manhole 5 is provided with a bolt column 51. When the base 11 is installed, the groove 111 is accurately connected with the protruding bolt column 51, and the bolt column 51 is inserted into the groove 111, so as to realize the stable installation of the base 11. At the same time, the dust collector 2 is placed on the deck 4, and the suction duct 3 is connected. One end of the suction duct 3 is connected with the dust collector 2, and the other end of the suction duct 3 extends into the ventilation opening 122 and extends into the liquid cargo tank, as shown in FIG. 8. Figure 1
[0035] In other embodiments, the positions of the bolt column 51 and the groove 111 can be interchanged, that is, the groove 111 is arranged at the position of the liquid cargo tank manhole 5, and the bolt column 51 is arranged at the bottom of the base 11. The bolt column 51 can be inserted into the groove 111. At this time, the stable installation of the base 11 can also be realized.
[0036] In other embodiments, the other end of the suction duct 3 is directly connected to the ventilation opening 122 without extending into the liquid cargo tank. When the dust collector 2 is working, the whole sealing cover can be in a negative pressure state, at which time the dust in the tank can be effectively sucked into the dust collector 2.
[0037] Further, the positions of the liquid cargo tank manhole 5 on both sides are provided with bolt columns 51, and the two sides of the base 11 are provided with grooves 111. The bolt columns 51 are inserted into the corresponding grooves 111. As long as the two bolt columns 51 can be inserted into the annular groove 111, the position of the base 11 can be fixed.
[0038] Specifically, the groove 111 is a circular annular groove, and the groove 111 is arranged around the bottom of the base 11. The two bolt columns 51 can be inserted into the groove 111. The groove 111 is arranged as an annular groove, and the position accuracy requirement of the bolt column 51 is reduced. As long as the two bolt columns 51 can be inserted into the annular groove 111, the position of the base 11 can be fixed. The inner diameter of the base 11 is greater than the diameter of the liquid cargo tank manhole 5, so that the base 11 can completely cover the liquid cargo tank manhole 5. The base 11 is also provided with lifting lugs 112. The lifting lugs 112 are at least two, and the plurality of lifting lugs 112 are arranged around the side wall of the base 11. In this embodiment, the lifting lugs 112 are four, and the plurality of lifting lugs 112 are uniformly arranged around the side wall of the base 11. The distance between every two adjacent lifting lugs 112 is the same, so that the base 11 is more stable during transportation, and the installation and transportation of the whole closure cover 1 are facilitated.
[0039] In other embodiments, the lifting lug 112 can also be arranged on the side wall 12 or on the top cover 13, or arranged on the base 11, the side wall 12 and the top cover 13, and the lifting lug 112 for convenient installation is selected according to the actual installation convenience.
[0040] In other embodiments, the groove 111 can also be an elliptical annular groove, or a square groove around a circle, or an irregular annular groove, as long as it can meet the installation of two bolt columns 51.
[0041] In other embodiments, the groove 111 can also be only a conventional structure of a strip groove, at this time the position accuracy of the groove 111 needs to be set in advance to ensure that the groove 111 is accurately connected with the corresponding bolt column 51 to realize the stable installation of the device.
[0042] Further, the movable door 14 is hinged to one side of the entrance 121 through the hinge 141, and the hinge 141 is used to connect the side wall 12 and the movable door 14 to ensure the flexible opening and closing of the movable door 14.
[0043] Specifically, the side wall 12 is reserved with the entrance 121, the movable part of one side of the hinge 141 is installed to one side of the entrance 121, and the movable part of the other side of the hinge 141 is installed to one side of the movable door 14. The movable door 14 is hinged to one side of the entrance 121 through the hinge 141, and the movable door 14 can be opened and closed after rotating. In order to facilitate the opening and closing of the movable door 14, a handle is arranged on the movable door 14, which is arranged on the other side of the hinge of the movable door 14, and the handle can be directly pulled by the hand to open the movable door 14. The movable door 14 is also provided with a door bolt, which is convenient for locking and fixing the movable door 14 to prevent it from being opened by itself. According to actual use requirements, the door bolt can be arranged on the outside of the movable door 14, or on the inside of the movable door 14. The door bolt can also be arranged on the inside and outside of the movable door 14. The door bolt can also be locked to prevent non-workers from directly opening and entering to ensure the safety of construction personnel.
[0044] In other embodiments, the door bolt can also be cancelled, at this time the movable door 14 can be arranged in a magnetic fixed structure, a first magnet is arranged on the side wall position of the entrance 121, and a second magnet is arranged on the movable door 14. The first magnet and the second magnet are attracted to each other to fix the movable door 14 at the position of the entrance 121 to close the entrance 121.
[0045] The use process of the simple dust removal tool in the embodiment is as follows:
[0046] When the liquid cargo ship needs to be maintained inside the liquid cargo tank, first, open the manhole cover of each tank, and the construction personnel can enter the liquid cargo tank through the manhole. Then, the closure cover 1 is installed at the position of the liquid cargo tank manhole 5, and during the installation, the groove 111 of the base 11 is accurately connected with the bolt column 51 on one side of the manhole position, so as to realize the stable installation of the closure cover 1. At the same time, the dust collector 2 is placed on the deck 4, and the air duct 3 is connected, one end of the air duct 3 is connected with the dust collector 2, and the other end is connected with the air vent 122 of the closure cover 1. When the sanding and rust removal operation of the bulkhead is carried out, the dust collector 2 is started, and the dust in the tank is effectively sucked into the dust collector 2 through the air duct 3. The design of the device not only ensures the balance of the pressure inside and outside the tank, but also improves the safety during the operation, and provides a more healthy and safe working environment for the construction personnel.
[0047] The embodiments of the specific implementation are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A simple dust removal tool for a liquid cargo tank of a ship, characterized by, The utility model relates to a liquid cargo tank manhole cover, which comprises: a closed cover (1) covering the position of a liquid cargo tank manhole (5), wherein one side of the closed cover (1) is provided with an entrance (121), and a movable door (14) is hinged at the entrance (121) to open and close the entrance (121); and a ventilation opening (122) is arranged on one side of the closed cover (1); a dust collector (2) arranged on one side of the closed cover (1), wherein a connecting opening (21) is arranged on the dust collector (2); and an air suction cylinder (3) connecting the ventilation opening (122) and the connecting opening (21) to communicate the closed cover (1) and the dust collector (2).
2. A simple dust removal tool for a liquid cargo tank of a ship according to claim 1, characterized in that, The closed cover (1) is in the shape of a cylinder, and the closed cover (1) comprises a base (11), a side wall (12), and a top cover (13). The base (11) is in the shape of a sleeve, and the base (11) covers the position of the liquid cargo tank manhole (5). The side wall (12) is arranged around the top of the base (11). The top cover (13) covers and seals the top of the side wall (12). The side wall of the side wall (12) is provided with the entrance (121) and the ventilation opening (122).
3. A simple dust removal tool for a liquid cargo tank of a ship according to claim 2, characterized in that, The base (11) is provided with a groove (111), and a bolt column (51) is arranged on one side of the position of the liquid cargo tank manhole (5), wherein the bolt column (51) is inserted into the groove (111).
4. A simple dust removal tool for a liquid cargo tank of a ship according to claim 3, characterized in that, Bolt columns (51) are arranged on both sides of the position of the liquid cargo tank manhole (5), and grooves (111) are arranged on both sides of the base (11), wherein the bolt columns (51) are inserted into the corresponding grooves (111).
5. A simple dust removal tool for a liquid cargo tank of a ship according to claim 4, characterized in that, The groove (111) is an annular groove, and the groove (111) is arranged around the bottom of the base (11). The bolt columns (51) can be inserted into the groove (111).
6. The simple dust removal tool for a liquid cargo tank of a ship according to claim 2, characterized by, Lifting lugs (112) are arranged on the base (11), and the lifting lugs (112) are at least two in number. The lifting lugs (112) are arranged around the side wall of the base (11).
7. A simple dust removal tool for a liquid cargo tank of a ship according to claim 6, characterized in that, The lifting lugs (112) are evenly arranged around the side wall of the base (11), and the distance between every two adjacent lifting lugs (112) is the same.
8. The simple dust removal tool for a liquid cargo tank of a ship according to claim 2, characterized by, The inner diameter of the base (11) is greater than the diameter of the liquid cargo tank manhole (5).
9. The simple dust removal tool for a liquid cargo tank of a ship according to claim 1, wherein A handle is arranged on the movable door (14), and the handle is arranged on the other side of the hinge of the movable door (14). A door bolt is arranged on the movable door (14).
10. The simple dust removal tool for a liquid cargo tank of a ship according to claim 1, wherein The movable door (14) is hinged to one side of the entrance (121) through a hinge (141).