CN211098970U - Anticorrosive equipment with negative pressure resistant reinforced column - Google Patents
Anticorrosive equipment with negative pressure resistant reinforced column Download PDFInfo
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- CN211098970U CN211098970U CN201921525295.9U CN201921525295U CN211098970U CN 211098970 U CN211098970 U CN 211098970U CN 201921525295 U CN201921525295 U CN 201921525295U CN 211098970 U CN211098970 U CN 211098970U
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Abstract
The utility model discloses an anticorrosive equipment with post is strengthened to resistant negative pressure, concretely relates to chemical industry equipment field, including metal casing, metal casing's internal fixed surface installs the metal and strengthens the post, and metal casing's internal surface subsides are equipped with anticorrosive lining layer, has cup jointed the spiral shell lid on the metal strengthens the post, anticorrosive gasket, and the spiral shell lid is the dome form, and the nut rather than looks adaptation has been cup jointed on the surface of metal reinforcement post, and the screw thread of spiral shell lid has the anticorrosive block of looks adaptation, and anticorrosive block is the cup, and the screw thread with spiral shell lid looks adaptation is seted up to anticorrosive block's bottom, and the magnesium piece has been pasted in metal casing's the outside. The utility model discloses a setting up double-deck anticorrosive block, and the spiral shell lid of anticorrosive block is overlapped in advance on strengthening the post, and the screw thread that utilizes spiral shell lid and anticorrosive block firmly fixes anticorrosive block for anticorrosive block inner space is closely sealed, prevents that the liquid seepage from entering to lead to strengthening the post corrosion damage, further improves the corrosion resisting property of whole equipment.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, more specifically says, the utility model discloses an anticorrosive equipment with resistant negative pressure enhancement post specifically.
Background
At present, chemical equipment or a container is usually manufactured by adopting a manufacturing process of an inner lining anti-corrosion fluoroplastic layer, namely, a polytetrafluoroethylene material is designed and selected as an inner lining anti-corrosion material of the equipment or the container, the inner lining method usually comprises the methods of hot roll coating forming, hot sintering forming, corrosion-resistant plate pasting and the like, because the expansion coefficient of the inner lining fluoroplastic layer is very different from that of the metal shell, the inner lining anti-corrosion material layer usually has the phenomena of bulging and peeling under the working condition of high temperature or high vacuum, particularly, the inner lining anti-corrosion material layer sometimes causes tearing of the anti-corrosion lining layer or opening leakage of a welding part under the simultaneous action of thermal expansion and negative pressure, the normal work of the equipment is seriously influenced, the service life of the equipment is shortened, the equipment needs to be maintained and repaired frequently, and the production efficiency is low, the cost is high, the energy consumption is high, the pollution is large, and the current requirements of energy conservation, emission reduction and environmental protection cannot be met.
In order to solve the above problems, patent application publication No. CN103230767A discloses an anticorrosion device provided with a negative pressure resistant reinforcing column, refer to fig. 5 and 6 in the specification, in this application, the anticorrosion liner layer 2 and the metal shell 1 are connected and fixed through the metal reinforcing column 5, so that the construction is convenient, the connection strength is high, the anticorrosion liner layer 2 can bear the dual functions of thermal expansion, cold shrinkage and high negative pressure, and the connection is firm and reliable.
However, the technical scheme still has more defects in actual application;
firstly, because the anticorrosion lining layer is firmly fixed on the shell by adopting the reinforcing column and the nut and the anticorrosion cover cap and the anticorrosion lining layer are mutually attached and sealed, the sealing difficulty is high, and a leak easily occurs;
secondly, existing in a corrosive environment for a long time, due to the nature of the environment, different forms of corrosion can occur, electrochemical corrosion is a common corrosion form in chemical equipment, and the patent utilizes an anticorrosive lining as internal corrosion protection due to simple structure and does not consider external corrosion protection, so that after long-term use, the original negative pressure effect is lost due to the fact that the external metal shell structure is damaged and collapsed due to serious corrosion, and regular maintenance is needed.
Therefore, the anti-corrosion equipment which is provided with the negative pressure resistant reinforcing column and has good sealing effect and can prevent corrosion inside and outside is needed to be provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects of the prior art, the embodiment of the present invention provides an anti-corrosion device with a negative pressure resistant reinforcing column, wherein a double-layer anti-corrosion cap is arranged, and a screw cap of the anti-corrosion cap is pre-sleeved on the reinforcing column, and the screw cap and the screw thread of the anti-corrosion cap are utilized to firmly fix the anti-corrosion cap, so that the inner space of the anti-corrosion cap is tightly sealed, liquid leakage is prevented from entering to cause corrosion damage of the reinforcing column, and the anti-corrosion performance of the whole device is further improved; in addition the utility model discloses a magnesium metal that is stronger with reducibility is as the protection utmost point, attached constitutes the galvanic cell in device one side for the device's shell metal can avoid corroding as the positive pole, and it is more economic selection to use this kind of anticorrosive treatment to utilize this kind of anticorrosion method that does not need little maintenance of external power source in the chemical industry equipment, can use for a long time, has significantly reduced the device's maintenance cost, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the anticorrosion device provided with the negative pressure resistant reinforcing column comprises a metal shell, wherein the metal reinforcing column is fixedly installed on the inner surface of the metal shell, an anticorrosion lining layer is attached to the inner surface of the metal shell, a plurality of round holes matched with the metal reinforcing column are formed in the surface of the anticorrosion lining layer, the metal reinforcing column is located in the round holes of the anticorrosion lining layer, a screw cap and an anticorrosion gasket are sleeved on the metal reinforcing column, the screw cap is in a round cap shape, the round holes matched with the metal reinforcing column are formed in the screw cap, threads are formed in the inner edge of the screw cap, the screw cap is made of an anticorrosion material, a nut matched with the metal reinforcing column is sleeved on the surface of the metal reinforcing column, the threads of the screw cap are provided with an anticorrosion cap matched with the screw cap, the anticorrosion cap is in a cup shape, the diameter of the bottom of the anticorrosion cap is slightly smaller than the diameter of the inner edge of the screw cap, and the threads matched with the screw cap are formed, and a magnesium block is adhered to the outer side of the metal shell.
In a preferred embodiment, a round hole matched with the metal reinforcing column is formed in the anticorrosion gasket, and the diameter of the anticorrosion gasket is slightly larger than that of the screw cap.
In a preferred embodiment, a soft elastic gasket is disposed between the nut and the screw cap, and a vacuum state is established between the corrosion-resistant lining layer and the metal case.
In a preferred embodiment, the outer surface of the metal shell is provided with a plurality of vacuum nozzles for vacuum pumping, the vacuum nozzles are communicated with the inner cavity of the metal shell and form vacuum holes on the inner wall of the metal shell.
In a preferred embodiment, the joint of the corrosion protection lining layer on the inner surface of the metal shell is paved with a plurality of corrosion protection lining layers and is reinforced and compacted by the same metal reinforcing column.
In a preferred embodiment, the outer surface of the metal shell is coated with an anti-corrosion paint, the connection surface of the magnesium block and the metal shell is rough, and the magnesium block is welded on the outer surface of the metal shell.
In a preferred embodiment, the diameter of the nut is smaller than the inner diameter of the interface of the anticorrosion cap, and a sealing ring is arranged between the contact surface of the screw cap and the bottommost end of the anticorrosion cap, and the sealing ring is a rubber sealing ring.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up the anticorrosive block of bilayer, and the spiral shell lid of anticorrosive block is overlapped in advance on the enhancement post, utilize the screw thread of spiral shell lid and anticorrosive block to fix anticorrosive block firmly, make anticorrosive block inner space closely sealed, prevent that the liquid leakage from entering and leading to the enhancement post corrosion damage, further improve the corrosion protection performance of whole equipment;
2. the utility model discloses a with the stronger magnesium metal of reducibility as the protection utmost point, attached constitute primary cell in device one side for the device's shell metal can avoid corroding as the positive pole, uses this kind of anticorrosive treatment to utilize this kind not need the little anticorrosive method of maintaining of external power source to be more economic selection in the chemical industry equipment, can use for a long time, the greatly reduced the device's maintenance cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the metal shell and the reinforcing column of the present invention.
Fig. 3 is a schematic view of the structure of the corrosion-proof cap and the screw cap of the present invention.
Fig. 4 is a schematic view of the installation completion structure of the present invention.
Fig. 5 is a schematic diagram of a comparison file structure of the present invention.
Fig. 6 is a schematic diagram of a structure of a metal reinforcing column of the present invention.
The reference signs are: 1. a metal housing; 2. an antiseptic liner layer; 3. a screw cap; 4. a nut; 5. a metal reinforcing column; 6. an anti-corrosion cap; 7. a magnesium block; 8. an anti-corrosion gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The anticorrosion device with the negative pressure resistant reinforcing column shown in the attached figures 1-4 comprises a metal shell 1, a metal reinforcing column 5 is fixedly installed on the inner surface of the metal shell 1, an anticorrosion lining layer 2 is adhered to the inner surface of the metal shell 1, a plurality of round holes matched with the metal reinforcing column 5 are formed in the surface of the anticorrosion lining layer 2, the metal reinforcing column 5 is located in the round holes of the anticorrosion lining layer 2, a screw cap 3 and an anticorrosion gasket 8 are sleeved on the metal reinforcing column 5, the screw cap 3 is in a round cap shape, round holes matched with the metal reinforcing column 5 are formed in the screw cap 3, threads are formed on the inner edge of the screw cap 3, the screw cap 3 is made of an anticorrosion material, a nut 4 matched with the metal reinforcing column 5 is sleeved on the surface of the metal reinforcing column 5, the threads of the screw cap 3 are provided with an anticorrosion cap 6 matched with the corrosion cap, the anticorrosion cap 6 is in a cup shape, the bottom diameter of the anticorrosion cap 6 is, the bottom of the anti-corrosion cap 6 is provided with a thread matched with the screw cap 3, and the outer side of the metal shell 1 is adhered with a magnesium block 7.
Fig. 5 and 6 show the structure of the comparison file.
The implementation mode is specifically as follows: the double-layer anti-corrosion cap is arranged, the screw cap of the anti-corrosion cap is sleeved on the reinforcing column in advance, and the screw cap and the screw thread of the anti-corrosion cap are used for firmly fixing the anti-corrosion cap, so that the inner space of the anti-corrosion cap is tightly sealed, the reinforcing column is prevented from being corroded and damaged due to liquid leakage, and the anti-corrosion performance of the whole equipment is further improved; in addition the utility model discloses a magnesium metal that is stronger with reducibility is as the protection utmost point, attached constitutes the galvanic cell in device one side for the device's shell metal can avoid corroding as the positive pole, and it is more economic selection to use this kind of anticorrosive treatment to utilize this kind of anticorrosion method that does not need little maintenance of external power source in the chemical industry equipment, can use for a long time, the greatly reduced the device's maintenance cost.
Wherein, the round hole of 5 looks adaptations of metal reinforcing column is seted up to anticorrosive gasket 8's inside, and anticorrosive gasket 8's diameter slightly is greater than the diameter of spiral shell lid 3, and spiral shell lid 3 is anticorrosive material for metal reinforcing column 5 can be by heavy sealed protection.
Wherein, a soft elastic gasket is arranged between the nut 4 and the screw cap 3, and a vacuum state is set between the antiseptic lining layer 2 and the metal shell 1, so that the antiseptic lining layer 2 and the metal shell 1 can be firmly sealed.
Wherein, the surface of metal casing 1 is equipped with a plurality of vacuum mouths that are used for the evacuation, and vacuum mouth and 1 inner chamber intercommunication of metal casing form the vacuum eye at its inner wall for can not destroy anticorrosive lining layer 2 because of inside gas expend with heat and contract with cold between anticorrosive lining layer 2 and the metal casing 1.
Wherein, the joint of the anti-corrosion lining layer 2 on the inner surface of the metal shell 1 is paved with a plurality of anti-corrosion lining layers 2 and is reinforced and pressed by the same metal reinforcing column 5, so that the anti-corrosion lining layer 2 in the metal shell 1 can not leak as a whole.
Wherein, the surface of metal casing 1 scribbles anticorrosive paint, and magnesium piece 7 is coarse with metal casing 1's connection face, and magnesium piece 7 welds the surface at metal casing 1, and attached constitutes galvanic cell in device one side for the device's metal casing 1 can avoid corroding as the positive pole.
The diameter of the nut 4 is smaller than the inner diameter of the interface of the anti-corrosion cap 6, a sealing ring is arranged between the contact surface of the screw cap 3 and the bottom end of the anti-corrosion cap 6, and the sealing ring is a rubber sealing ring, so that the screw cap 3 and the anti-corrosion cap 6 are tightly connected and cannot become loose due to vibration.
The utility model discloses the theory of operation:
as shown in fig. 1 and 5, anticorrosion equipment with negative pressure resistant reinforcing column, including metal casing 1 and the anticorrosive lining layer 2 of establishing at metal casing 1 internal surface, metal casing 1's internal surface is equipped with threaded metal reinforcing column 5, the relevant position of anticorrosive lining layer 2 is opened has the through-hole, metal reinforcing column 5 stretches out through the through-hole of anticorrosive lining layer 2, the spiral cover 3 is put on the end cover that stretches out of metal reinforcing column 5, the end that stretches out of nut 4 screw in metal reinforcing column 5 that rethread matches each other, with spiral cover 3, anticorrosive lining layer 2 compresses tightly the laminating with metal casing 1's internal surface, anticorrosive cap 6 is in the screw of spiral cover 3 through the screw, anticorrosive cap 6 wraps up metal reinforcing column 5 and nut 4 in its inner chamber, play the effect of protection reinforcing column can.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Anticorrosive equipment with post is strengthened to resistant negative pressure, including metal casing (1), its characterized in that: a metal reinforcing column (5) is fixedly mounted on the inner surface of the metal shell (1), an anti-corrosion lining layer (2) is attached to the inner surface of the metal shell (1), a plurality of round holes matched with the metal reinforcing column (5) are formed in the surface of the anti-corrosion lining layer (2), the metal reinforcing column (5) is located in the round holes of the anti-corrosion lining layer (2), a screw cap (3) and an anti-corrosion gasket (8) are sleeved on the metal reinforcing column (5), the screw cap (3) is in a round cap shape, the round holes matched with the metal reinforcing column (5) are formed in the screw cap (3), threads are formed in the inner edge of the screw cap (3), the screw cap (3) is made of an anti-corrosion material, a nut (4) matched with the screw cap is sleeved on the surface of the metal reinforcing column (5), and anti-corrosion caps (6) matched with the threads of the screw cap (3), anticorrosive block (6) are the cup, the bottom diameter of anticorrosive block (6) slightly is less than the interior diameter of following of spiral shell lid (3), the screw thread with spiral shell lid (3) looks adaptation is seted up to the bottom of anticorrosive block (6), magnesium piece (7) are pasted in the outside of metal casing (1).
2. The anticorrosion device provided with the negative pressure resistant reinforcing column according to claim 1, wherein: the anti-corrosion gasket (8) is internally provided with a round hole matched with the metal reinforcing column (5), and the diameter of the anti-corrosion gasket (8) is slightly larger than that of the screw cap (3).
3. The anticorrosion device provided with the negative pressure resistant reinforcing column according to claim 1, wherein: a soft elastic gasket is arranged between the nut (4) and the screw cap (3), and a vacuum state is arranged between the anti-corrosion lining layer (2) and the metal shell (1).
4. The anticorrosion device provided with the negative pressure resistant reinforcing column according to claim 1, wherein: the outer surface of the metal shell (1) is provided with a plurality of vacuum nozzles for vacuumizing, and the vacuum nozzles are communicated with the inner cavity of the metal shell (1) and form vacuum holes in the inner wall of the metal shell.
5. The anticorrosion device provided with the negative pressure resistant reinforcing column according to claim 1, wherein: and a plurality of layers of anti-corrosion lining layers (2) are laid at the joint of the anti-corrosion lining layers (2) on the inner surface of the metal shell (1) and are reinforced and compacted through the same metal reinforcing columns (5).
6. The anticorrosion device provided with the negative pressure resistant reinforcing column according to claim 1, wherein: the surface of metal casing (1) scribbles anticorrosive paint, the magnesium piece (7) is connected the face roughness with metal casing (1), magnesium piece (7) welding is at the surface of metal casing (1).
7. The anticorrosion device provided with the negative pressure resistant reinforcing column according to claim 1, wherein: the diameter of the nut (4) is smaller than the inner diameter of the interface of the anti-corrosion cap (6), a sealing ring is arranged between the contact surface of the screw cap (3) and the bottom end of the anti-corrosion cap (6), and the sealing ring is a rubber sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525295.9U CN211098970U (en) | 2019-09-11 | 2019-09-11 | Anticorrosive equipment with negative pressure resistant reinforced column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525295.9U CN211098970U (en) | 2019-09-11 | 2019-09-11 | Anticorrosive equipment with negative pressure resistant reinforced column |
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| CN211098970U true CN211098970U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374957A (en) * | 2021-07-23 | 2021-09-10 | 二重（德阳）重型装备有限公司 | Lining flange cover and pipe orifice connecting structure |
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2019
- 2019-09-11 CN CN201921525295.9U patent/CN211098970U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374957A (en) * | 2021-07-23 | 2021-09-10 | 二重（德阳）重型装备有限公司 | Lining flange cover and pipe orifice connecting structure |
| CN113374957B (en) * | 2021-07-23 | 2022-05-10 | 二重（德阳）重型装备有限公司 | Lining flange cover and pipe orifice connecting structure |
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