High-temperature-resistant flat welding flange

Abstract

The utility model discloses a high-temperature-resistant flat welding flange which comprises a flange body, a liquid channel is formed in the flange body, an outlet is formed in one end of the liquid channel, an inlet is formed in the other end of the liquid channel, the high-temperature-resistant flat welding flange further comprises a transposition assembly, and the transposition assembly is installed at the inlet and outlet of the liquid channel and used for shifting cooling liquid in the liquid channel. The transposition assembly comprises a liquid pipe and a pair of fixing pipes, one end of one fixing pipe is connected with the liquid pipe, the other end of the other fixing pipe is connected with the liquid channel, and the end, away from the fixing pipes, of the liquid channel is connected with the liquid pipe to form a circulation channel. According to the flange, the liquid channel and the liquid pipe are arranged, heat in the flange body can be transmitted to cooling liquid in the liquid channel and the liquid pipe, the liquid pipe is located outside the flange body, the contact area between the liquid pipe and air is large, the heat exchange efficiency of the cooling liquid can be improved, and the heat resistance of the flange body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flange technical field especially relates to a high temperature resistance type flat welding flange. BACKGROUND

[0002] The connection of the flat welding flange and the pipeline is that the pipeline is inserted into the hole of the flange to the appropriate position, then is tacked, the flat welding flange is suitable for the pipeline system of low pressure grade, and vibration and oscillation are not serious, the flat welding flange is easy to center during welding assembly, and the price is lower.

[0003] The high temperature resistance flat welding flange in the prior art is usually made of stainless steel material, such as N08810, which is an austenitic nickel-iron-chromium alloy containing a high proportion of nickel and chromium, and a small amount of aluminum and titanium, these components make the material perform well in high temperature environment, but the flat welding flange is only welded on one side, and leakage is easy to occur under long time high temperature change, the prior art cools through the air duct and the cooling liquid, but the cooling liquid is easy to produce impurities and other problems after long time change under high temperature, and too many air ducts are easy to reduce the overall rigidity, therefore, the application provides a high temperature resistance type flat welding flange to meet the demand. SUMMARY

[0004] The utility model discloses a high temperature resistance type flat welding flange to solve the technical problems in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model discloses a high temperature resistance type flat welding flange, including flange body, the liquid passage is set up in the flange body, the liquid passage one end is the export, the liquid passage other end is the import, still includes transposition subassembly, transposition subassembly installs the import and export of liquid passage, is used for the displacement of cooling liquid in the liquid passage.

[0006] As a further description of the above technical scheme: the transposition subassembly includes a liquid pipe and a pair of fixed pipes, one end of one of the fixed pipes is connected to the liquid pipe, the other end of the other fixed pipe is connected to the liquid passage, and the end of the liquid passage away from the fixed pipe is connected to the liquid pipe, forming a circulating passage.

[0007] As a further description of the above technical scheme: the liquid passage includes a plurality of arc-shaped passages, and the plurality of arc-shaped passages form a continuous curved structure.

[0008] As a further description of the above technical scheme: the flange body side wall is provided with an annular mounting groove, the annular mounting groove and the liquid pipe size are adapted, and the liquid pipe is installed in the annular mounting groove.

[0009] As the further description of the above technical solutions: a pair of the fixed pipe is sealed sliding with a push rod in the pipe, one end of the push rod is fixedly connected with a push plate, the other end of the push rod is fixedly connected with a rubber plug, the rubber plug is in contact with the inner wall of the fixed pipe.

[0010] As the further description of the above technical solutions: the fixed pipe and the liquid channel, the liquid pipe are fixedly connected with an adsorption body, the adsorption body is provided with a cleaning channel, and the cleaning channel is in a curved state.

[0011] As the further description of the above technical solutions: the liquid pipe is fixedly connected with a plurality of heat dissipation fins on the outer circumferential sidewall, and the plurality of heat dissipation fins are equidistantly arranged along the liquid pipe path.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] 1. Compared with the prior art, the high-temperature-resistant flat welding flange is provided with a liquid channel and a liquid pipe, the heat in the flange body can be transferred to the cooling liquid in the liquid channel and the liquid pipe, the liquid pipe is located outside the flange body and has a large air contact area, the heat exchange efficiency of the cooling liquid is improved, and the heat resistance of the flange body is improved.

[0014] 2. Compared with the prior art, the high-temperature-resistant flat welding flange is provided with an adsorption body and a cleaning channel, when the cooling liquid is adjusted, the impurities generated due to temperature change can be adsorbed, so that the cleaning effect is improved; at the same time, the adsorption body is located on one side of the rubber plug, so that the cooling liquid is purified through the cleaning channel before contacting the rubber plug, and the interference of the impurities on the movement of the rubber plug is reduced.

[0015] 3. Compared with the prior art, the high-temperature-resistant flat welding flange is provided with a plurality of continuous curved arc-shaped channels, the contact area of the cooling liquid and the liquid channel is improved, and the heat can be better transferred; the heat dissipation fins are arranged to increase the air contact area of the liquid pipe and accelerate the heat dissipation efficiency of the cooling liquid in the liquid pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of high-temperature-resistant flat welding flange overall structure schematic diagram;

[0017] Figure 2 The utility model provides a kind of high-temperature-resistant flat welding flange sectional structure schematic diagram;

[0018] Figure 3 The utility model provides a kind of high-temperature-resistant flat welding flange fixed pipe sectional structure schematic diagram;

[0019] Figure 4 For Figure 3Enlarged structural schematic view at A in the middle;

[0020] Figure 5 A high-temperature-resistant flat welding flange is provided in the utility model, and the liquid pipe schematic view in the high-temperature-resistant flat welding flange is shown in the figure.

[0021] Figure 6 A high-temperature-resistant flat welding flange is provided in the utility model, and the annular mounting groove schematic view in the high-temperature-resistant flat welding flange is shown in the figure.

[0022] Legend:

[0023] 1, flange body; 2, annular mounting groove; 3, liquid passage; 4, arc-shaped passage; 5, liquid pipe; 6, heat dissipation fin; 7, fixed pipe; 8, pushing rod; 9, rubber plug; 10, pushing plate; 11, adsorption body; 12, cleaning passage. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Reference Figures 1-6 The utility model provides a kind of high-temperature-resistant flat welding flange: including flange body 1, the liquid passage 3 being set in belonging flange body 1, liquid passage 3 one end is outlet, liquid passage 3 other end is import, still include transposition component, transposition component is installed in the import and export of liquid passage 3, for the displacement of cooling liquid in liquid passage 3.

[0026] Transposition component includes liquid pipe 5 and a pair of fixed pipe 7, one end of one of fixed pipe 7 and liquid pipe 5 connect, other end of another fixed pipe 7 and liquid passage 3 connect, and the end of liquid passage 3 away from fixed pipe 7 and liquid pipe 5 connect, form circulation passage, annular mounting groove 2 is set in the periphery wall of flange body 1, annular mounting groove 2 and liquid pipe 5 size are adapted, liquid pipe 5 is installed in annular mounting groove 2, by setting liquid passage 3 and liquid pipe 5, heat in flange body 1 can be transferred to cooling liquid in liquid passage 3 and liquid pipe 5, and liquid pipe 5 is located in the outside of flange body 1, and and air contact area is larger, can strengthen the heat exchange efficiency of cooling liquid, so that the heat resistance of flange body 1 is promoted.

[0027] Liquid passage 3 includes multiple arc-shaped passages 4, and the multiple arc-shaped passages 4 form a continuous curved structure. By setting the liquid passage 3 as a plurality of continuous curved arc-shaped passages 4, the contact area of the cooling liquid and the liquid passage 3 is increased, and the heat transfer is better.

[0028] A pair of fixed pipe 7, each of which is sealed sliding push rod 8, push rod 8 and fixed pipe 7 sealing sliding through the prior art structure, here will not be described in detail, push rod 8 one end fixedly connected with the push plate 10, the other end of the push rod 8 is fixedly connected with the rubber plug 9, the rubber plug 9 and the inner wall of the fixed pipe 7 contact, by setting a pair of fixed pipe 7, a pair of fixed pipe 7 in the push rod 8 default position is different, one of which is in the outermost position, the other push rod 8 in the innermost position, when pressed in one of the fixed pipe 7 in the push rod 8, the rubber plug 9 will be pushed to one side of the liquid channel 3 and the cooling liquid in the liquid pipe 5, resulting in the other fixed pipe 7 in the push rod 8 outward movement, in this way, the position of the cooling liquid in the liquid channel 3 and the liquid pipe 5 is changed, thereby improving the heat dissipation efficiency.

[0029] Liquid pipe 5 is fixedly connected with a plurality of heat dissipation fins 6 on the outer circumferential wall, a plurality of heat dissipation fins 6 are equidistantly arranged along the path of the liquid pipe 5, by setting the heat dissipation fins, increasing the contact area of the liquid pipe 5 and air, accelerating the heat dissipation efficiency of the cooling liquid in the liquid pipe 5.

[0030] The connecting part of the fixed pipe 7 and the liquid channel 3, the liquid pipe 5 is fixedly connected with the adsorbent 11, the adsorbent 11 is provided with a cleaning channel 12, the cleaning channel 12 is curved, by setting the adsorbent 11 and the cleaning channel 12, the adsorbent 11 is active carbon, filter cloth and other structures in the prior art, in the process of use, press and push rod 8, the rubber plug 9 will be pushed to one side of the cooling liquid in the liquid channel 3 and the liquid pipe 5, in this process, the cooling liquid will flow through the curved cleaning channel 12, because the cooling liquid contacts the inner wall of the cleaning channel 12, when adjusting the cooling liquid, the impurities generated due to temperature change can be adsorbed, thereby improving the cleaning effect, at the same time, the adsorbent 11 is located on one side of the rubber plug 9, ensuring that the cooling liquid contacts the rubber plug 9 first through the cleaning channel 12 for purification, which can reduce the interference of impurities on the movement of the rubber plug 9.

[0031] Working principle: when using, press one of the push rod 8 in the fixed pipe 7, the rubber plug 9 will be pushed to one side of the cooling liquid in the liquid channel 3 and the liquid pipe 5, resulting in the other fixed pipe 7 in the push rod 8 outward movement, in this way, the position of the cooling liquid in the liquid channel 3 and the liquid pipe 5 is changed, thereby improving the heat dissipation efficiency.

[0032] By setting the adsorption body 11 and the cleaning channel 12, wherein the adsorption body 11 is the structure of activated carbon, filter cloth and the like in the prior art, in the use process, the rubber plug 9 pushes the cooling liquid in the liquid channel 3 and the liquid pipe 5 to one side by pressing and pushing the rod 8, in the process, the cooling liquid flows through the curved cleaning channel 12, because the cooling liquid contacts the inner wall of the cleaning channel 12, when adjusting the cooling liquid, the impurities generated due to temperature change can be adsorbed, so as to improve the cleaning effect, at the same time, the adsorption body 11 is located on one side of the rubber plug 9, ensuring that the cooling liquid is purified through the cleaning channel 12 before contacting the rubber plug 9, so as to reduce the interference of impurities on the movement of the rubber plug 9.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A high-temperature-resistant flat-face flange comprising a flange body (1), characterized in that: The flange body (1) is provided with a liquid passage (3) therein, one end of the liquid passage (3) is an outlet, the other end of the liquid passage (3) is an inlet, further comprising a transposition assembly, the transposition assembly is installed at the inlet and outlet of the liquid passage (3), and is used for shifting the cooling liquid in the liquid passage (3).

2. The high temperature resistant type of flat face welding flange according to claim 1, characterized in that: The transposition assembly comprises a liquid pipe (5) and a pair of fixed pipes (7), one end of one of the fixed pipes (7) is connected with the liquid pipe (5), the other end of the other fixed pipe (7) is connected with the liquid passage (3), and the end of the liquid passage (3) away from the fixed pipe (7) is connected with the liquid pipe (5), forming a circulation passage.

3. The high temperature resistant type of flat face welding flange according to claim 2, characterized in that: The liquid passage (3) comprises a plurality of arc-shaped passages (4), and the plurality of arc-shaped passages (4) form a continuous curved structure.

4. The high temperature resistant type of flat face welding flange according to claim 3, characterized in that: The flange body (1) is provided with an annular mounting groove (2) on the side wall, the annular mounting groove (2) is adapted to the size of the liquid pipe (5), and the liquid pipe (5) is installed in the annular mounting groove (2).

5. The high temperature resistant type of flat face welding flange according to claim 4, characterized in that: A pair of the fixed pipes (7) are both sealed and slidably provided with a push rod (8), one end of the push rod (8) is fixedly connected with a push plate (10), the other end of the push rod (8) is fixedly connected with a rubber plug (9), and the rubber plug (9) is in contact with the inner wall of the fixed pipe (7).

6. A high temperature resistant type of flat face weld flange as claimed in claim 5, wherein: The connection portions of the fixed pipe (7), the liquid passage (3) and the liquid pipe (5) are all fixedly connected with an adsorption body (11), the adsorption body (11) is provided with a cleaning passage (12) therein, and the cleaning passage (12) is in a curved state.

7. The high temperature resistant type of flat face welding flange according to claim 6, characterized in that: The liquid pipe (5) is fixedly connected with a plurality of heat dissipation fins (6) on the inner and outer circumferential side walls, and the plurality of heat dissipation fins (6) are equidistantly arranged along the path of the liquid pipe (5).

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