Stainless steel seawater purification valve

Abstract

The utility model discloses a stainless steel seawater purification valve, which relates to the technical field of seawater purification valves, and comprises a purification valve group and flange assemblies, the flange assemblies are arranged at the upper end and the lower end of the purification valve group, the left side and the right side of the purification valve group are provided with connecting pipe frames, and the connecting pipe frames are internally provided with filtering assemblies. According to the stainless steel seawater purification valve, the flange assemblies are arranged at the upper end and the lower end of the purification valve set, meanwhile, the assembly flange pipe and the external flange are arranged in the same structure, and therefore it can be guaranteed that when the whole device is connected with an external pipeline structure, the connection sealing performance can be guaranteed to the maximum extent; by means of the structure, leakage during conveying is avoided, by means of the connecting pipe frame and the filtering assembly, on one hand, a conveying medium can be filtered to a certain degree according to needs, and on the other hand, by means of the connecting pipe frame, the filtering assembly can be rapidly and flexibly installed, so that the device structure is convenient to disassemble, assemble and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of seawater purification valves, in particular to a stainless steel seawater purification valve. Background Art

[0002] Stainless steel seawater purification valve, among all duplex stainless steels, is the most widely used steel type in terms of seawater corrosion resistance. It has a wide range of applications and is mainly used in acidic oil and steam well production, as well as transportation, oil refining, chemical industry, fertilizer and petrochemical industry.

[0003] The conventional purification valve structure connection is relatively simple, which makes it relatively inconvenient to use in structural combination. At the same time, due to the limitations of the combination method of the structural connection, the sealing of the joint is also relatively limited, and the medium leakage may occur due to the external force acting on the joint structure.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a stainless steel seawater purification valve is proposed. Utility Model Content

[0005] The utility model aims to provide a stainless steel seawater purification valve to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel seawater purification valve, comprising a purification valve group and a flange assembly, wherein flange assemblies are arranged at both upper and lower ends of the purification valve group, and connecting pipe racks are installed on the left and right sides of the purification valve group, and a filter assembly is installed inside the connecting pipe rack, the flange assembly comprises a docking flange, an inner sealing ring, an outer sealing ring and a middle sealing strip, an inner sealing ring is installed at the top inner diameter edge of the connecting flange, an outer sealing ring is installed at the top surface edge of the docking flange, and a middle sealing strip is installed at the position between the outer sealing ring and the inner sealing ring.

[0007] Furthermore, the purification valve group includes a purification valve body, a mounting ring frame, an external flange and an internal thread. A mounting ring frame is installed in the middle of the front side elevation of the purification valve body, and an external flange is arranged below the mounting ring frame. Internal threads are provided on the inner walls at the left and right ends of the purification valve body.

[0008] Furthermore, the mounting ring frame and the external flange are both integrally arranged with the purification valve body, and the external flange adopts the same structural arrangement as the flange assembly.

[0009] Furthermore, the inner sealing ring, the outer sealing ring and the middle sealing strip are all made of the same material, and the top surface of the docking flange is provided with a corresponding structural annular groove for embedding the inner sealing ring, the outer sealing ring and the middle sealing strip.

[0010] Furthermore, the connecting pipe rack comprises an assembly flange pipe, a butt thread and a fixing ring rack, the outer surface of the assembly flange pipe is provided with a butt thread, and the inner wall of the assembly flange pipe is provided with a fixing ring rack.

[0011] Furthermore, the surface structure of the butt thread matches the surface structure of the internal thread, and the outer diameter of the assembly flange pipe matches the inner diameter of the left and right ends of the purification valve body.

[0012] Furthermore, the filter assembly includes a support frame, a precision filter element and fastening bolts. The precision filter element is installed inside the support frame, and fastening bolts are horizontally installed on the upper and lower edges of the support frame.

[0013] Furthermore, the fastening bolts horizontally penetrate the support frame and the fixing ring frame, and both the support frame and the fixing ring frame are threadedly connected to the fastening bolts.

[0014] The utility model provides a stainless steel seawater purification valve, which has the following beneficial effects:

[0015] 1. The utility model provides flange assemblies at both ends of the purification valve group, and uses an annular groove with structural matching to be opened on the outer surface of the docking flange, so that the inner sealing ring, the outer sealing ring and the middle sealing strip are respectively installed therein, wherein the middle sealing strip adopts an arc strip structure due to the structural setting of the docking flange, so as to avoid structural interference when connecting with the external pipeline through the docking flange, and at the same time, the external flange and the assembly flange pipe are arranged with the same structure as the flange assembly, so as to ensure that the entire device has sufficient structural sealing when connected with the external pipeline to the greatest extent, so as to ensure that the medium has sufficient safety during the delivery process, and avoid leakage of the medium due to insufficient sealing at the pipeline connection, thereby causing safety accidents and waste of materials.

[0016] 2. In the utility model, since internal threads are provided on the inner walls on the left and right sides of the purification valve body, the entire connecting pipe rack can be threadedly installed on one side of the purification valve group by axially screwing the assembly flange pipe with docking threads on the surface in the horizontal direction. The use of the above structure can ensure the tightness of the structural connection while ensuring sufficient structural sealing. In addition, according to the needs of use, the entire filter assembly can be passed through the interior of the fixed ring frame and tightened by using the horizontally installed fastening bolts on both sides of the support frame. Under the action of the precision filter element, the medium can be effectively filtered according to the transmission needs of the medium, thereby meeting different transmission needs. The use of the assembly flange pipe in combination with the internal threads makes the left and right ends of the entire purification valve body have different connection structures, and different pipeline connection methods can be selected according to needs, thereby ensuring the flexibility of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the main body of a stainless steel seawater purification valve of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of a flange assembly of a stainless steel seawater purification valve of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the main body of a stainless steel seawater purification valve of the utility model;

[0020] Figure 4 This utility model is a stainless steel seawater purification valve Figure 3 A is an enlarged structural diagram of FIG.

[0021] In the figure: 1. Purification valve group; 101. Purification valve body; 102. Mounting ring frame; 103. External flange; 104. Internal thread; 2. Flange assembly; 201. Butt flange; 202. Inner sealing ring; 203. Outer sealing ring; 204. Middle seal; 3. Connecting pipe rack; 301. Assembly flange pipe; 302. Butt thread; 303. Fixed ring frame; 4. Filter assembly; 401. Support frame; 402. Precision filter element; 403. Fastening bolts. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1 to Figure 2As shown, a stainless steel seawater purification valve comprises a purification valve group 1 and a flange assembly 2, the upper and lower ends of the purification valve group 1 are provided with flange assemblies 2, and the left and right sides of the purification valve group 1 are provided with connecting pipe racks 3, and the interior of the connecting pipe racks 3 is provided with a filter assembly 4, the flange assembly 2 comprises a docking flange 201, an inner sealing ring 202, an outer sealing ring 203 and a middle sealing strip 204, the inner sealing ring 202 is installed at the top inner diameter edge of the docking flange 201, and the outer sealing ring 203 is installed at the top surface edge of the docking flange 201, and the middle sealing strip 204 is installed between the outer sealing ring 203 and the inner sealing ring 202, the inner sealing ring 202, The outer sealing ring 203 and the middle sealing strip 204 are made of the same material, and the top surface of the docking flange 201 is provided with a corresponding structural annular groove for embedding the inner sealing ring 202, the outer sealing ring 203 and the middle sealing strip 204. By arranging flange assemblies 2 at both ends of the purification valve group 1, the inner sealing ring 202, the outer sealing ring 203 and the middle sealing strip 204 are respectively installed therein by using a structurally matching annular groove provided on the outer surface of the docking flange 201. Among them, the middle sealing strip 204 adopts an arc strip structure due to the structural setting of the docking flange 201, so as to avoid structural interference when connecting with an external pipeline through the docking flange 201.

[0024] like Figure 3 to Figure 4As shown, the purification valve group 1 includes a purification valve body 101, a mounting ring frame 102, an external flange 103 and an internal thread 104. The mounting ring frame 102 is installed in the middle of the front side elevation of the purification valve body 101, and the external flange 103 is arranged below the mounting ring frame 102. The inner walls of the left and right ends of the purification valve body 101 are provided with internal threads 104. The mounting ring frame 102 and the external flange 103 are both arranged in an integrated structure with the purification valve body 101, and the external flange 103 adopts the same structural setting as the flange assembly 2. The connecting pipe frame 3 includes an assembly flange pipe 301, a docking thread 302 and a fixing ring frame 303. The outer surface of the assembly flange pipe 301 is provided with a docking thread 302, and the inner wall of the assembly flange pipe 301 is provided with a fixing ring frame 303. The surface structure of the docking thread 302 matches the surface structure of the internal thread 104. The outer diameter of the assembly flange pipe 301 is the same as that of the purification valve body. The inner diameters of the left and right ends of the body 101 match each other, the filter assembly 4 includes a support frame 401, a precision filter element 402 and a fastening bolt 403, the precision filter element 402 is installed inside the support frame 401, and the fastening bolts 403 are horizontally installed on the upper and lower edges of the support frame 401, the fastening bolts 403 horizontally penetrate the support frame 401 and the fixed ring frame 303, and the support frame 401 and the fixed ring frame 303 are both threadedly connected with the fastening bolts 403. Since the inner walls on the left and right sides of the purification valve body 101 are provided with internal threads 104, the entire connecting pipe frame 3 can be threadedly installed on one side of the purification valve group 1 by axially screwing the assembly flange pipe 301 with the docking threads 302 on the surface in the horizontal direction. In addition, according to the needs of use, the entire filter assembly 4 can be passed through the interior of the fixed ring frame 303 and tightened by using the horizontally installed fastening bolts 403 on both sides of the support frame 401.

[0025] In summary, if Figures 1 to 4 As shown, when the stainless steel seawater purification valve is used, firstly, the connection pipe racks 3 at the upper and lower ends or the left and right sides of the purification valve group 1 are selected for connection or combined installation according to the use requirements, wherein when the external pipeline is structurally docked with the docking flange 201, the inner sealing ring 202, the outer sealing ring 203 and the middle sealing strip 204 will be accumulated between the two flange structures to play a structural sealing role;

[0026] If it is necessary to install the connecting pipe rack 3 and the filter assembly 4, it is only necessary to screw the assembly flange pipe 301 with a docking thread 302 on the surface into the purification valve body 101 with an internal thread 104 on the inner wall at one end in the horizontal direction, so as to complete the docking installation of the purification valve group 1 and the connecting pipe rack 3. When it is necessary to install the filter assembly 4, it is only necessary to dock the support frame 401 with the precision filter element 402 installed inside with the fixed ring frame 303, and then use the fastening bolt 403 to horizontally thread through the support frame 401 and the fixed ring frame 303 to complete the installation and fixation;

[0027] Finally, according to different needs and transportation requirements, the external flange 103 on the surface of the purification valve body 101 and the assembly flange pipes 301 on the left and right sides are connected to different pipelines to facilitate the transportation of the medium.

[0028] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A stainless steel seawater purification valve, comprising a purification valve assembly (1) and a flange assembly (2), characterized in that: The upper and lower ends of the purification valve group (1) are both provided with flange assemblies (2), and the left and right sides of the purification valve group (1) are provided with connecting pipe racks (3), and the interior of the connecting pipe racks (3) is provided with a filter assembly (4), the flange assembly (2) comprises a docking flange (201), an inner sealing ring (202), an outer sealing ring (203) and a middle sealing strip (204), the inner sealing ring (202) is provided at the top inner diameter edge of the connecting flange (201), the outer sealing ring (203) is provided at the top surface edge of the docking flange (201), and the middle sealing strip (204) is provided between the outer sealing ring (203) and the inner sealing ring (202).

2. A stainless steel seawater purification valve according to claim 1, characterized in that: The purification valve assembly (1) comprises a purification valve body (101), a mounting ring frame (102), an external flange (103) and an internal thread (104); the mounting ring frame (102) is mounted in the middle of the front side elevation of the purification valve body (101), and an external flange (103) is arranged below the mounting ring frame (102); and the inner walls of the left and right ends of the purification valve body (101) are provided with internal threads (104).

3. A stainless steel seawater purification valve according to claim 2, characterized in that: The mounting ring frame (102) and the external flange (103) are both arranged in an integrated structure with the purification valve body (101), and the external flange (103) adopts the same structural arrangement as the flange assembly (2).

4. A stainless steel seawater purification valve according to claim 1, characterized in that: The inner sealing ring (202), the outer sealing ring (203) and the middle sealing strip (204) are all made of the same material, and a corresponding structural annular groove is provided on the top surface of the docking flange (201) for embedding the inner sealing ring (202), the outer sealing ring (203) and the middle sealing strip (204).

5. A stainless steel seawater purification valve according to claim 2, characterized in that: The connecting pipe frame (3) comprises an assembly flange pipe (301), a butt thread (302) and a fixing ring frame (303); the outer surface of the assembly flange pipe (301) is provided with a butt thread (302), and the inner wall of the assembly flange pipe (301) is provided with a fixing ring frame (303).

6. A stainless steel seawater purification valve according to claim 5, characterized in that: The surface structure of the butt thread (302) matches the surface structure of the internal thread (104), and the outer diameter of the assembly flange pipe (301) matches the inner diameters of the left and right ends of the purification valve body (101).

7. A stainless steel seawater purification valve according to claim 5, characterized in that: The filter assembly (4) comprises a support frame (401), a precision filter element (402) and fastening bolts (403); the precision filter element (402) is installed inside the support frame (401), and fastening bolts (403) are installed horizontally on the upper and lower edges of the support frame (401).

8. A stainless steel seawater purification valve according to claim 7, characterized in that: The fastening bolt (403) horizontally penetrates the support frame (401) and the fixed ring frame (303), and the support frame (401) and the fixed ring frame (303) are both threadedly connected to the fastening bolt (403).

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