CN211853083U - Connecting pipe with good sealing effect for boiler pressure container - Google Patents

Abstract

The utility model discloses a sealed effectual connecting pipe for boiler pressure vessel, which comprises a pipe body, the left end of body surface has the thread bush through screw thread swing joint, the body includes first wearing layer, anti-corrosion coating, high strength layer, high temperature resistant layer and second wearing layer, first wearing layer is located the surface of anti-corrosion coating, anti-corrosion coating is located the surface of high strength layer, the high strength layer is located the surface of high temperature resistant layer, high temperature resistant layer is located the surface of second wearing layer, the surface of body is scribbled and is equipped with the dope layer, the dope layer includes ceramic polymer coating and coal tar porcelain paint layer. The utility model discloses a first wearing layer, anti-corrosion coating, high strength layer, high temperature resistant layer, second wearing layer, ceramic polymer coating and coal tar porcelain lacquer layer mutually support, have solved present connecting pipe life weak point for boiler pressure vessel, the problem that people used not convenient for.

Description

Connecting pipe with good sealing effect for boiler pressure container

Technical Field

The utility model relates to a boiler technical field specifically is a sealed effectual connecting pipe for boiler pressure vessel.

Background

The boiler pressure container is a full name of boiler and pressure container, in the place where production and life are important, the boiler is a mechanical equipment which utilizes the heat energy of fuel or other energy sources to heat water into hot water or steam, the original meaning of the boiler is the water container heated on fire, the boiler is the place where the fuel is burned, the boiler includes two major parts of boiler and boiler, the hot water or steam produced in the boiler can directly provide the heat energy required for industrial production and people's life, also can be converted into mechanical energy by steam power device, or can be converted into electric energy by generator, the equipment which has specific technological function and bears a certain pressure in industrial production is called pressure container, the pressure container has very wide application, it is an equipment which plays an important role in various departments of national economy such as petrochemical industry, energy industry, scientific research and military industry, etc., the pressure container generally comprises a cylinder body, a cylinder body and a cylinder body, The connecting pipe for the boiler pressure container has the advantages that six parts, namely the end socket, the flange, the sealing element, the opening, the connecting pipe, the support and the like, form the container body, so that the connecting pipe has good sealing performance, but the service life of the existing connecting pipe for the boiler pressure container is short, and the connecting pipe is inconvenient for people to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual connecting pipe for boiler pressure vessel possesses long service life's advantage, has solved present connecting pipe for boiler pressure vessel life weak point, the problem that people used not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed effectual connecting pipe for boiler pressure vessel, includes the body, there is the thread bush body the left end of body surface through screw thread swing joint, the body includes first wearing layer, anti-corrosion coating, high strength layer, high temperature resistant layer and second wearing layer, first wearing layer is located the surface of anti-corrosion coating, anti-corrosion coating is located the surface on high strength layer, high strength layer is located the surface on high temperature resistant layer, high temperature resistant layer is located the surface on second wearing layer, the surface of body is scribbled and is equipped with the dope layer, the dope layer includes ceramic polymer coating and coal tar porcelain paint layer.

Preferably, the outer surface of coal tar porcelain paint layer is scribbled to the ceramic polymer coating, the thickness of ceramic polymer coating and coal tar porcelain paint layer equals.

Preferably, the slot has been seted up in the left side of body, the right side fixedly connected with inserted block of body, inserted block and slot are the annular.

Preferably, the first wear-resistant layer is a chromium carbide layer, the anti-corrosion layer is a nickel-chromium alloy layer, the high-strength layer is a carbon steel layer, the high-temperature resistant layer is an alloy steel layer, and the second wear-resistant layer is a tungsten carbide layer.

Preferably, the thicknesses of the first wear-resistant layer, the corrosion-resistant layer and the second wear-resistant layer are equal, the thickness of the high-strength layer is half of the thickness of the high-temperature-resistant layer, and the thickness of the high-temperature-resistant layer is half of the thickness of the first wear-resistant layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can connect and fix a plurality of pipe bodies in the connection process by using the slots and the insertion blocks, when a plurality of pipe bodies are connected in sequence, the insertion block on the previous pipe body can be inserted into the slot on the next pipe body, thereby improving the connection tightness, and the ceramic polymer coating and the coal tar enamel coating can respectively play roles of corrosion resistance and abrasion resistance, thereby prolonging the service life of the pipe bodies, the first wear-resistant layer can play a role of wear resistance, the corrosion-resistant layer can play a role of corrosion resistance, thereby ensuring that the pipe bodies still have good wear resistance and corrosion resistance when the ceramic polymer coating and the coal tar enamel coating fall down, the high-strength layer can be used for improving the strength of the pipe bodies, the high-temperature resistance layer can be used for improving the high-temperature resistance of the pipe bodies, and avoiding the high temperature from influencing the service life of the pipe bodies, utilize the second wearing layer, can prevent that the material of carrying from leading to the fact the harm to the body inner chamber in the body to improve life, solved present boiler pressure vessel for the connecting pipe life short, the problem that people used not convenient for.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the tube body of the present invention;

fig. 3 is the structure diagram of the coating layer of the present invention.

In the figure: 1. a pipe body; 101. a first wear resistant layer; 102. an anti-corrosion layer; 103. a high-strength layer; 104. a high temperature resistant layer; 105. a second wear layer; 2. a coating layer; 201. a ceramic polymer coating; 202. a coal tar porcelain paint layer; 3. a threaded sleeve; 4. a slot; 5. and (5) inserting the blocks.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 invention can be understood in specific cases to those skilled in the art.

The utility model discloses a body 1, first wearing layer 101, anti-corrosion coating 102, high strength layer 103, high temperature resistant layer 104, second wearing layer 105, dope layer 2, ceramic polymer coating 201, coal tar porcelain paint layer 202, thread bush 3, slot 4 and inserted block 5 part are the parts that general standard spare or field technician know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a connecting pipe for a boiler pressure vessel with a good sealing effect comprises a pipe body 1, wherein a threaded sleeve 3 is movably connected to the left end of the outer surface of the pipe body 1 through threads, the pipe body 1 comprises a first wear-resistant layer 101, an anti-corrosion layer 102, a high-strength layer 103, a high-temperature resistant layer 104 and a second wear-resistant layer 105, the first wear-resistant layer 101 is located on the outer surface of the anti-corrosion layer 102, the anti-corrosion layer 102 is located on the outer surface of the high-strength layer 103, the high-strength layer 103 is located on the outer surface of the high-temperature resistant layer 104, the high-temperature resistant layer 104 is located on the outer surface of the second wear-resistant layer 105, the first wear-resistant layer 101 is a chromium carbide layer, the anti-corrosion layer 102 is a nickel-chromium alloy layer, the high-strength layer 103 is a carbon steel layer, the high-temperature resistant layer 104 is an alloy steel layer, the second wear-resistant layer 105 is a tungsten carbide layer, the thicknesses of the first wear-resistant, the thickness of the high temperature resistant layer 104 is one half of that of the first wear-resistant layer 101, the outer surface of the pipe body 1 is coated with the coating layer 2, the coating layer 2 comprises a ceramic polymer coating 201 and a coal tar porcelain paint layer 202, the ceramic polymer coating 201 is coated on the outer surface of the coal tar porcelain paint layer 202, the thicknesses of the ceramic polymer coating 201 and the coal tar porcelain paint layer 202 are equal, the left side of the pipe body 1 is provided with a slot 4, the right side of the pipe body 1 is fixedly connected with an insert block 5, the insert block 5 and the slot 4 are both annular, a plurality of pipe bodies 1 can be connected and fixed in the connection process through a thread bushing 3, the insert block 5 on the previous pipe body 1 can be inserted into the slot 4 on the next pipe body 1 when the plurality of pipe bodies 1 are connected in sequence by using the slot 4 and the insert block 5, so that the connection tightness can be improved, the ceramic polymer coating 201 and, can play anticorrosion and wear-resistant effect respectively, thereby improve the life of body 1, utilize first wearing layer 101, can play wear-resisting effect, utilize anti-corrosion coating 102 to play anticorrosive effect, body 1 still has good wear-resisting and corrosion resistance when can guarantee that ceramer coating 201 and coal tar porcelain paint layer 202 drop, utilize high strength layer 103, can improve the intensity of body 1, utilize high temperature resistant layer 104, can improve the high temperature resistance of body 1, avoid high temperature to influence the life of body 1, utilize second wearing layer 105, can prevent that the material of carrying in the body 1 from causing the harm to body 1 inner chamber, thereby improve life, it is short to have solved present boiler pressure vessel connecting pipe life, be not convenient for the problem that people used.

When the connecting device is used, a plurality of pipe bodies 1 can be connected and fixed in the connecting process through the thread sleeves 3, the sealing performance of the connection can be improved by inserting the insert 5 on the previous pipe body 1 into the insert 4 on the next pipe body 1 when the plurality of pipe bodies 1 are connected in sequence through the insert grooves 4 and the insert blocks 5, the corrosion resistance and the abrasion resistance can be respectively realized by utilizing the ceramic polymer coating 201 and the coal tar porcelain paint layer 202, so that the service life of the pipe body 1 is prolonged, the wear resistance effect can be realized by utilizing the first wear-resistant layer 101, the corrosion resistance can be realized by utilizing the corrosion-resistant layer 102, the pipe body 1 can still have good wear resistance and corrosion resistance when the ceramic polymer coating 201 and the coal tar porcelain paint layer 202 fall off, the strength of the pipe body 1 can be improved by utilizing the high-strength layer 103, and the high-temperature resistance layer 104 can improve the high temperature resistance of the pipe body 1, avoid high temperature to influence the life of body 1, utilize second wearing layer 105, can prevent that the material of carrying from leading to the fact the harm to body 1 inner chamber in the body 1 to improve life, solved present boiler pressure vessel for the connecting pipe life weak point, the problem that people used not convenient for.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a sealed effectual boiler is connecting pipe for pressure vessel, includes body (1), its characterized in that: the left end of body (1) surface has thread bush (3) through screw thread swing joint, body (1) includes first wearing layer (101), anti-corrosion coating (102), high strength layer (103), high temperature resistant layer (104) and second wearing layer (105), first wearing layer (101) are located the surface of anti-corrosion coating (102), anti-corrosion coating (102) are located the surface of high strength layer (103), high strength layer (103) are located the surface of high temperature resistant layer (104), high temperature resistant layer (104) are located the surface of second wearing layer (105), the surface of body (1) is scribbled and is equipped with dope layer (2), dope layer (2) include ceramic polymer coating (201) and coal tar porcelain paint layer (202).

2. The connecting pipe for the boiler pressure vessel with good sealing effect as claimed in claim 1, wherein: the outer surface of coal tar porcelain paint layer (202) is scribbled in ceramic polymer coating (201), the thickness of ceramic polymer coating (201) and coal tar porcelain paint layer (202) equals.

3. The connecting pipe for the boiler pressure vessel with good sealing effect as claimed in claim 1, wherein: slot (4) have been seted up in the left side of body (1), the right side fixedly connected with inserted block (5) of body (1), inserted block (5) and slot (4) are the annular.

4. The connecting pipe for the boiler pressure vessel with good sealing effect as claimed in claim 1, wherein: the first wear-resistant layer (101) is a chromium carbide layer, the anti-corrosion layer (102) is a nichrome layer, the high-strength layer (103) is a carbon steel layer, the high-temperature-resistant layer (104) is an alloy steel layer, and the second wear-resistant layer (105) is a tungsten carbide layer.

5. The connecting pipe for the boiler pressure vessel with good sealing effect as claimed in claim 1, wherein: the thicknesses of the first wear-resistant layer (101), the anti-corrosion layer (102) and the second wear-resistant layer (105) are equal, the thickness of the high-strength layer (103) is half of the thickness of the high-temperature-resistant layer (104), and the thickness of the high-temperature-resistant layer (104) is half of the thickness of the first wear-resistant layer (101).

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