Fluorine-lined Y-shaped filter convenient to clean

Abstract

The utility model relates to the technical field of filters, and discloses a fluorine-lined Y-shaped filter convenient to clean, which comprises a main straight shell, an inclined branch shell is arranged at the bottom end of the main straight shell, flange plates are arranged at two ends of the main straight shell, the main straight shell and the inclined branch shell form a Y shape, the inclined branch shell comprises an inclined pipe, and the inclined pipe is connected with the flange plates. The inclined pipe and the main straight shell are integrally formed, the inner wall of the inclined pipe is lined with fluoroplastic, the bottom end of the interior of the inclined pipe is provided with a thread, the thread is connected with a large sealing bolt, the joint of the inclined pipe and the large sealing bolt is lined with a first rubber gasket, the bottom end of the large sealing bolt is provided with a through threaded hole, and the bottom end of the large sealing bolt is in threaded connection with a small sealing bolt. When a small amount of impurities are deposited in the inclined supporting shell, the small sealing bolt is unscrewed, the pressure of residual fluid in the pipeline is used for washing the filter screen to discharge the impurities, rapid and simple cleaning is carried out for the situation of small amount of deposition, redundant actions of dismounting and mounting the filter screen are avoided, and the cleaning efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field more particularly to a fluorine -lined Y type filter convenient to clean. BACKGROUND

[0002] Fluorine -lined Y type filter is a kind of filter equipment specially used for corrosive fluid medium, its inner wall is lined with fluoroplastic, structure is Y type, can effectively intercept the solid impurities in pipeline, resist strong acid, strong alkali and other chemical corrosion simultaneously, fluorine -lined Y type filter is the special equipment for the strong corrosive medium filtering demand development. The design of fluorine -lined filter Y type structure originates from the demand of fluid dynamics and pressure drop optimization: compared with T type or basket type filter, its inclined flow channel can reduce the resistance of impurity accumulation, reduce pressure loss, simultaneously utilize the gravity effect to make impurity natural settlement in bottom cavity, it is convenient to clean up, this kind of filter is widely applied to chemical industry, pharmacy, electroplating etc., becomes one of the core components of corrosive medium filtering.

[0003] Prior art deficiencies: when the filter inside appears deposition and affects use efficiency, regardless of deposition degree, the traditional cleaning mode needs to disassemble the end part of filter branch pipeline, removes filter screen to clean, there is redundant action, affects cleaning efficiency. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a fluorine -lined Y type filter convenient to clean to solve the problems in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a fluorine -lined Y type filter convenient to clean, including main straight casing, the bottom of main straight casing is provided with inclined inclined support casing, and the both ends of main straight casing are provided with flange plate, wherein main straight casing and inclined support casing constitute "Y" type, the inclined support casing includes inclined pipe, and the inclined pipe is integrally formed with the main straight casing, and the inner wall is lined with fluoroplastic, a threaded hole is formed in the bottom of the inclined pipe, a large sealing bolt is connected in the threaded hole, a first rubber gasket is arranged at the connecting position of the threaded hole and the large sealing bolt, a threaded hole is formed in the bottom of the large sealing bolt, a small sealing bolt is connected in the threaded hole, the top of the small sealing bolt is threaded, and a hexagonal nut is integrally formed at the bottom of the small sealing bolt, and a second rubber gasket is arranged on the threaded section of the small sealing bolt.

[0006] Further, the inside of the inclined pipe is provided with a metal filter screen, a plurality of filter holes are uniformly arranged on the surface of the metal filter screen, different mesh numbers of metal filter screens can be replaced according to the fluid flowing through the pipeline, and the metal filter screen extends from the inclined support casing to the inside of the main straight casing, and the end edge is attached to the inner wall of the main straight casing.

[0007] Further, the main straight shell is made of carbon steel, the inner wall is lined with fluoroplastic, the inner surface in contact with the fluid is covered to prevent corrosion, and the inner wall of the main straight shell is provided with a retaining ring along the end of the metal filter screen at the opening section of the inclined support shell, the edge of the retaining ring is attached to the end edge of the metal filter screen, and no filtering dead angle is left.

[0008] Further, the two ends of the main straight shell are connected with the pipeline through flange plates, the flange plates are integrally formed with the ends of the main straight shell, screw holes are arranged in the side annular surface of the flange plates, screw rods are screw-connected in the interior, and screw nuts are movably connected on one side, the flange plates are butted with the pipeline, and the pipeline is sealed by screwing the screw nuts on both sides after butt joint.

[0009] Further, the metal filter screen is in a cylindrical shape, the diameter is slightly smaller than the inner diameter of the large sealing bolt, the inner wall of the large sealing bolt is provided with a ladder-shaped clamping table, the inner diameter of the ladder-shaped clamping table is smaller than the inner diameter of the metal filter screen, and the metal filter screen is clamped between the top end plane of the ladder-shaped clamping table and the retaining ring in the state that the large sealing bolt is screwed with the inclined pipe.

[0010] Further, the outer side of the upper part of the large sealing bolt is provided with convex threads matched with the internal threads of the inclined pipe, the threads are provided with a first rubber gasket, and the lower part of the large sealing bolt is integrally formed with an octagonal nut, the inner tangent diameter of the octagonal nut is greater than the outer diameter of the convex threads and also greater than the outer circle diameter of the first rubber gasket.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. The utility model discloses a small sealing bolt is equipped, is screw-connected at the bottom end of large sealing bolt, and the top end is threaded, and the bottom end is integrally formed with a hexagonal nut, and the threaded section is provided with a second rubber gasket, when a small amount of impurities deposits in the inclined support shell, first, cut off the fluid at the two ends of the main straight shell, then unscrew the small sealing bolt by using a wrench, flush the filter screen by using the residual fluid pressure in the pipeline, discharge the impurities from the threaded hole at the bottom end of the large sealing bolt, and the small amount of deposition is cleaned quickly and conveniently, the redundant action of disassembling and assembling the filter screen is avoided, the convenience of cleaning is improved, and the cleaning efficiency is improved. DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the cross section structure schematic diagram of the utility model;

[0015] Figure 3 It is the split structure schematic diagram of the inclined pipe and the large sealing bolt of the utility model;

[0016] Figure 4 It is the structure schematic diagram of the large sealing bolt of the utility model;

[0017] Figure 5 It is a structure schematic view of the small sealing bolt of the utility model.

[0018] The reference signs are: 1, main straight shell; 101, blocking ring; 102, flange plate; 103, screw rod; 104, nut; 2, inclined support shell; 201, inclined pipe; 202, large sealing bolt; 203, first rubber gasket; 204, small sealing bolt; 205, second rubber gasket; 206, ladder-shaped clamping base; 3, metal filter screen. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and additionally, the forms of each structure recorded in the following implementation manners are only examples, and the fluorine-lined Y-shaped filter convenient to clean involved by the utility model is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0020] With reference to Figures 1 to 5 The utility model provides a kind of fluorine-lined Y-shaped filter convenient to clean, including main straight shell 1, the bottom end of main straight shell 1 is provided with inclined inclined support shell 2, the both ends of main straight shell 1 are provided with flange plate 102, wherein main straight shell 1 and inclined support shell 2 constitute "Y" type, inclined support shell 2 includes inclined pipe 201, inclined pipe 201 is integrally formed with main straight shell 1, inner wall is lined with fluoroplastic, the inside bottom end of inclined pipe 201 is provided with thread, large sealing bolt 202 is connected with thread, and the connecting place of the two is padded with first rubber gasket 203, the bottom end of large sealing bolt 202 is provided with through thread hole, small sealing bolt 204 is connected with thread, and the top end of small sealing bolt 204 is threaded, and the bottom end is integrally formed with hexagonal nut, and the threaded section is provided with second rubber gasket 205.

[0021] In an embodiment of the utility model, fluid flows from one side to the other side of main straight shell 1 in the process, passes through the inclined flow passage of inclined support shell 2, and is filtered by the filter screen inserted in it, the shell is lined with fluorine, and the mechanical strength of metal structure and the corrosion resistance of fluoroplastic are considered, and different degrees of impurity deposition are cleaned by opening small sealing bolt 204 and large sealing bolt 202.

[0022] With reference to Figures 2 to 4 The inside of inclined pipe 201 is provided with metal filter screen 3, and the surface of metal filter screen 3 is provided with uniformly arranged filter holes, different mesh numbers of metal filter screen 3 can be replaced according to the fluid situation of pipeline, and metal filter screen 3 extends from inclined support shell 2 to the inside of main straight shell 1, and the end edge is attached to the inner wall of main straight shell 1.

[0023] The metal filter screen 3 is in a cylindrical shape, and the diameter is slightly smaller than the inner diameter of the large sealing bolt 202, the inner wall of the large sealing bolt 202 is provided with a ladder-shaped clamping table 206, the inner diameter of the ladder-shaped clamping table 206 is smaller than the inner diameter of the metal filter screen 3, and in the screwed state of the large sealing bolt 202 and the inclined pipe 201, the metal filter screen 3 is clamped between the top end plane of the ladder-shaped clamping table 206 and the blocking ring 101.

[0024] In an embodiment of the utility model, the metal filter screen 3 can be first arranged in the large sealing bolt 202, and then the large sealing bolt 202 is screwed with the inclined pipe 201, so that the metal filter screen 3 with a gap from the inclined pipe 201 is prevented from being deformed under the clamping of the large sealing bolt 202 in the later installation, and the filtering function is lost.

[0025] Referring to Figure 2 The main straight shell 1 is made of carbon steel, and the inner wall is lined with fluorine plastic, and the inner surface in contact with the fluid is covered to prevent corrosion. The inner wall of the main straight shell 1 is provided with a blocking ring 101 at the opening section of the inclined shell 2 along the end of the metal filter screen 3, and the edge thereof is attached to the end edge of the metal filter screen 3 without leaving a filtering dead angle.

[0026] In this embodiment, the main straight shell 1 is made of carbon steel, and the inner wall is lined with fluorine plastic, and has good corrosion resistance. The fluid enters the filter from one side of the main straight shell 1, i.e. the side of the metal filter screen 3 opening, and the blocking ring 101 of the inner wall of the main straight shell 1 blocks the gap between the shell inner wall and the metal filter screen 3, so that all the passing fluid is within the filtering range of the metal filter screen 3.

[0027] Referring to Figure 1 The two ends of the main straight shell 1 are connected with the pipeline through the flange plate 102, wherein the flange plate 102 is integrally formed with the end of the main straight shell 1, and the side surface is annularly provided with a threaded hole, and the inside is threadedly connected with a screw rod 103, and one side is movably connected with a nut 104. After the flange plate 102 is butt-jointed with the pipeline, the pipeline is sealed by screwing the nuts 104 on both sides.

[0028] In this embodiment, the two ends of the main straight shell 1 of the fluorine-lined filter are connected with the fluid pipeline through the flange, and a corrosion-resistant gasket is arranged between the flange of the filter and the flange of the pipeline to increase the sealing property and effectively prevent the leakage of corrosive medium. After the main straight shell 1 is butt-jointed with the pipeline, the screw rod 103 is inserted through the threaded hole on the flange plate 102, and the nuts 104 on both sides are screwed in opposite directions. The annularly arranged multiple threaded holes can be installed with multiple screw rods 103 to form symmetrical fastening, ensure uniform stress, and when the filter is blocked, it can be quickly disassembled and separated for cleaning, which is suitable for frequent cleaning conditions.

[0029] Referring to Figure 3The upper outer side of the big sealing bolt 202 is provided with a convex thread which is matched with the inner thread of the inclined pipe 201, and the thread is provided with a first rubber washer 203, and the lower part of the big sealing bolt 202 is integrally formed with an octagonal nut, and the inner diameter of the octagonal nut is greater than the outer diameter of the convex thread and also greater than the outer diameter of the first rubber washer 203.

[0030] In the embodiment, the big sealing bolt 202 is matched with the concave thread at the bottom end of the inner wall of the inclined pipe 201 through the convex thread at the upper part and is screwed together to achieve the purpose of plugging, and the contact surface of the bottom end of the inclined pipe 201 and the octagonal nut of the big sealing bolt 202 is provided with the first rubber washer 203 for sealing and preventing fluid leakage.

[0031] The working principle of the utility model is as follows: when there is a small amount of impurities deposited in the inclined shell 2, firstly, the fluid at both ends of the main straight shell 1 is cut off, then the small sealing bolt 204 is unscrewed by using a wrench, the filter screen is flushed by using the residual fluid pressure in the pipeline, and the impurities are discharged from the thread hole at the bottom end of the big sealing bolt 202, when the impurities deposited in the inclined shell 2 are serious and cause blockage, the big sealing bolt 202 can be unscrewed by using a wrench, the filter screen is taken out, and then the filter screen is washed by using clean water or chemical solvent and is reinstalled, after cleaning, the big sealing bolt 202 and the small sealing bolt 204 are checked whether they are tightened, and then the fluid flow is recovered.

[0032] The above only is the preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement, improvement and the like which are made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fluorine-lined Y-type filter convenient to clean, comprising a main straight shell (1), characterized in that, The bottom end of the main straight shell (1) is provided with an inclined inclined shell (2), and the two ends of the main straight shell (1) are provided with flange plates (102), wherein the main straight shell (1) and the inclined shell (2) form a "Y" type, the inclined shell (2) comprises an inclined pipe (201), the inclined pipe (201) is integrally formed with the main straight shell (1), the inner wall is lined with fluoroplastic, the inner bottom end of the inclined pipe (201) is provided with a thread, a large sealing bolt (202) is connected with the thread, a first rubber gasket (203) is arranged at the connection position of the two, the bottom end of the large sealing bolt (202) is provided with a through threaded hole, a small sealing bolt (204) is connected with the threaded hole, the top end of the small sealing bolt (204) is threaded, the bottom end is integrally formed with a hexagonal nut, and the threaded section is provided with a second rubber gasket (205).

2. The cleanable Y-strainer with fluoropolymer lining as claimed in claim 1, wherein: The inside of the inclined pipe (201) is provided with a metal filter screen (3), the surface of the metal filter screen (3) is provided with uniformly arranged filter holes, different mesh numbers of the metal filter screen (3) can be replaced according to the fluid flowing through the pipeline, and the metal filter screen (3) extends from the inclined shell (2) to the inside of the main straight shell (1), and the end edge is attached to the inner wall of the main straight shell (1).

3. The cleanable Y-strainer with fluoropolymer lining as claimed in claim 2, wherein: The main straight shell (1) is made of carbon steel, the inner wall is lined with fluoroplastic, the inner surface in contact with the fluid is covered, corrosion is prevented, and the inner wall of the main straight shell (1) is provided with a retaining ring (101) at the opening section of the inclined shell (2) along the end portion of the metal filter screen (3), the edge of the retaining ring (101) is attached to the end edge of the metal filter screen (3), and no filtering dead angle is left.

4. The cleanable Y-strainer with fluoropolymer lining as claimed in claim 3, wherein: The two ends of the main straight shell (1) are connected with the pipeline through the flange plates (102), wherein the flange plates (102) are integrally formed with the end portions of the main straight shell (1), the side surface is annularly provided with a threaded hole, the inside is threadedly connected with a screw rod (103), and one side is movably connected with a nut (104), after the flange plates (102) are connected with the pipeline, the pipeline is sealed by tightening the nuts (104) on both sides.

5. The cleanable Y-strainer with fluoropolymer lining as claimed in claim 3, wherein: The metal filter screen (3) is in a cylindrical shape, the diameter is slightly smaller than the inner diameter of the large sealing bolt (202), the inner wall of the large sealing bolt (202) is provided with a ladder-shaped clamping table (206), the inner diameter of the ladder-shaped clamping table (206) is smaller than the inner diameter of the metal filter screen (3), and in the state that the large sealing bolt (202) is screwed with the inclined pipe (201), the metal filter screen (3) is clamped between the top end plane of the ladder-shaped clamping table (206) and the retaining ring (101).

6. The cleanable Y-strainer with fluoropolymer lining as claimed in claim 5, wherein: The upper outer side of the large sealing bolt (202) is provided with a convex thread matched with the inner thread of the inclined pipe (201), the thread is provided with a first rubber gasket (203), and the lower portion of the large sealing bolt (202) is integrally formed with an octagonal nut, the inner diameter of which is greater than the outer diameter of the convex thread and also greater than the outer circle diameter of the first rubber gasket (203).

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