Sealing structure of leaf filter

Abstract

The utility model is applicable to the technical field of methionine crystallization, and provides a sealing structure of a leaf filter, which comprises a main ring, wherein the bottom of the main ring is connected with a T-shaped head; wherein the width of the T-shaped head is 26 mm, the thickness of the T-shaped head is 6 mm, the width of the T-shaped bottom is 10 mm, the thickness of the T-shaped bottom is 5 mm, the diameter of a large circle of the T-shaped head is 1657 mm, the diameter of a small circle of the T-shaped head is 1605 mm, the diameter of a large circle of the T-shaped bottom is 1641 mm, and the diameter of the small circle of the T-shaped bottom is 1621 mm; the top of the main ring is provided with four head-picking grooves, and the number of the head-picking grooves is four. Every two picking head grooves form a group, and the two groups of picking head grooves are symmetrically arranged. The inner wall of the picking head groove is in threaded connection with a spiral inserting column, the spiral inserting column comprises an inserting column body, and a threaded groove is formed in the outer wall of the inserting column body; two clamping holes are formed in the top of the inserting column; and through the use of the T-shaped head, the problem of long-term leakage of the sealing surface of the leaf filter is thoroughly solved, and great significance is brought to production and environmental protection.

Description

Technical Field

[0001] The utility model belongs to the technical field of methionine crystallization, and in particular relates to a sealing structure of a leaf filter. Background Art

[0002] The leaf filter is a very important solid-liquid separation equipment in the methionine crystallization system. The quality of the leaf filter directly affects the production and quality of methionine, as well as the on-site environment and environmental protection. At present, there are 9 devices in the methionine system. These 9 devices have leakages to varying degrees, which seriously affect the on-site environment, environmental protection and personnel health. It also restricts the production and quality of methionine. Each device is not running at full load, and the pressure is only 80% of the design. After many improvements to the original gasket diameter size, from the initial 7mm to the final 9mm, the effect was not good, and the leakage problem has not been completely eliminated. This phenomenon has lasted for 5 years. The operating conditions of the leaf filter are as follows: the medium temperature is 18°C in normal operation, the temperature is 90°C during cleaning, and the medium ph is 3-4;

[0003] Through observation and mapping of the sealing surface of the leaf filter, it was found that the sealing surface of the large cover of this type of leaf filter is flat, and the sealing surface of the cylinder is a groove with a width of 10mm and a depth of 5mm. The large cover and the cylinder are matched. The original sealing gasket is an O-ring with a size of ∮1621×7. The sealing effect is poor. The sealing gasket was subsequently improved by thickening the wire diameter, but the pressure-bearing effect is not good. The long-term leakage problem has not been completely solved, seriously affecting production and environmental protection.

[0004] In order to avoid the above problems, it is necessary to provide a sealing structure for a leaf filter. Utility Model Content

[0005] The utility model provides a sealing structure for a leaf filter, aiming to solve the problem that the sealing surface of the existing leaf filter is a plane, the sealing surface of the cylinder is a groove with a width of 10mm and a depth of 5mm, the large cover and the cylinder are in a paired combination, the original sealing gasket is an O-ring with a size of ∮1621×7, and the sealing effect is poor. The sealing gasket is subsequently improved by thickening the wire diameter, but the pressure-bearing effect is not good, and the long-term leakage problem has not been completely solved, which seriously affects the production and environmental protection.

[0006] The utility model is implemented as follows: a sealing structure of a leaf filter comprises a main ring: a T-shaped head is connected to the bottom of the main ring;

[0007] Among them, the T-shaped head is 26mm wide and 6mm thick, the T bottom is 10mm wide and 5mm thick, the T head large circle diameter is ∮1657mm, the T head small circle diameter is ∮1605mm, the T bottom large circle diameter is ∮1641mm, and the T bottom small circle diameter is ∮1621mm.

[0008] Preferably, a pick head groove is provided at the top of the main ring, and the number of the pick head grooves is four.

[0009] Preferably, every two of the pick head grooves are in a group, and the two groups of pick head grooves are symmetrically arranged.

[0010] Preferably, a spiral plug is threadedly connected to the inner wall of the pick head groove. The spiral plug includes a plug, and a thread groove is provided on the outer wall of the plug.

[0011] Preferably, two clamping holes are provided at the top of the plug.

[0012] Preferably, the plug is an outer rubber layer, and a lead column is embedded inside the outer rubber layer.

[0013] Preferably, the small circle diameter of the main ring is ∮1621 mm.

[0014] Preferably, the main ring and the T-shaped head are made of high molecular material silica gel.

[0015] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

[0016] By using the T-shaped head, the problem of long-term leakage of the sealing surface of the leaf filter is completely solved, which is of great significance to production and environmental protection; and the main ring and the T-shaped head made of high molecular material silica gel have excellent high temperature resistance, corrosion resistance, wear resistance and aging resistance. The temperature resistance range of ordinary silica gel is between -55 and 250 °C. Description of the Drawings

[0017] Figure 1 is the front view of the present utility model;

[0018] Figure 2 is the sectional perspective view of the present utility model;

[0019] Figure 3 is the sectional view of the present utility model;

[0020] Figure 4 is the structural schematic diagram of the spiral plug of the present utility model.

[0021] In the figure: 1, main ring; 2, T-shaped head; 3, spiral plug; 301, plug; 302, clamping hole. Detailed Embodiments

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "comprising" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0024] An embodiment of the utility model provides a sealing structure for a leaf filter, as Figures 1-4 shown, which includes a main ring 1: a T-shaped head 2 is connected to the bottom of the main ring 1;

[0025] Among them, the T-shaped head 2 is 26 mm wide, 6 mm thick, the T-bottom is 10 mm wide, 5 mm thick, the large diameter of the T-head is ∮1657 mm, the small diameter of the T-head is ∮1605 mm, the large diameter of the T-bottom is ∮1641 mm, and the small diameter of the T-bottom is ∮1621 mm;

[0026] A pick head groove is provided at the top of the main ring 1, and the number of pick head grooves is four;

[0027] Every two pick head grooves are in a group, and the two groups of pick head grooves are symmetrically arranged;

[0028] The inner wall of the pick head groove is threadedly connected with a spiral plug 3, and the spiral plug 3 includes a plug 301, and a thread groove is provided on the outer wall of the plug 301;

[0029] Two clamping holes 302 are provided at the top of the plug 301;

[0030] The plug 301 is an outer rubber layer, and a lead column is embedded inside the outer rubber layer;

[0031] The small diameter of the main ring 1 is ∮1621 mm;

[0032] The main ring 1 and the T-shaped head 2 are made of high molecular material silica gel.

[0033] It should be noted that, due to the fact that the sealing surface of the large cover of the existing leaf filter is flat, the sealing surface of the cylinder body is a groove with a width of 10 mm and a depth of 5 mm, the large cover and the cylinder body are paired and combined, the original gasket is an O-ring with a size of ∮1621×7, the sealing effect is poor. Subsequently, the gasket was improved by thickening the wire diameter, but the pressure-bearing effect was not good, and the long-term leakage problem has not been completely solved, seriously affecting production and environmental protection.

[0034] Specifically, in this embodiment, this solution mainly uses the T-shaped head 2 to completely solve the long-term leakage problem of the sealing surface of the leaf filter, which is of great significance to production and environmental protection; and the main ring 1 and the T-shaped head 2 made of the polymer material silicone have excellent high-temperature resistance, corrosion resistance, wear resistance and aging resistance. The temperature resistance range of ordinary silicone is between -55 - 250 °C; and the setting of the spiral plug 3, during use, the plug 301 is rotated and taken out through the clamping hole 302, leaving a pick head groove. Every two pick head grooves form a group, and the two groups of pick head grooves are symmetrically arranged, which can achieve the purpose of facilitating the taking and placing of the main ring 1, thereby achieving the purpose of replacing the main ring 1 and the T-shaped head 2, improving the use effect of the device, and providing convenience for users.

[0035] It should be noted that, for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, certain steps may be adopted in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0036] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the above-mentioned unit division can be carried out in other ways in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point, the displayed or discussed coupling or communication connection between each other can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.

[0037] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place, or they can be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict and without making creative efforts, combine, add or delete the features in the embodiments of the present invention according to the circumstances or make other adjustments, so as to obtain different technical solutions that essentially do not depart from the concept of the present invention, and these technical solutions also fall within the scope of protection of the present invention.

Claims

1. A sealing structure of a leaf filter, characterized in that It includes a main ring (1): A T-shaped head (2) is connected to the bottom of the main ring (1). Among them, the T-shaped head (2) is 26 mm wide, 6 mm thick, the T-bottom is 10 mm wide, 5 mm thick, the large diameter of the T-head is ∮1657 mm, the small diameter of the T-head is ∮1605 mm, the large diameter of the T-bottom is ∮1641 mm, and the small diameter of the T-bottom is ∮1621 mm.

2. The sealing structure of a leaf filter as described in claim 1, wherein A pick head groove is provided at the top of the main ring (1), and the number of the pick head grooves is four.

3. The sealing structure of a leaf filter as claimed in claim 2, wherein, Every two of the pick head grooves are in a group, and the two groups of pick head grooves are symmetrically arranged.

4. The sealing structure of a leaf filter as claimed in claim 2, wherein A spiral plug (3) is threadedly connected to the inner wall of the pick head groove. The spiral plug (3) includes a plug (301), and a thread groove is provided on the outer wall of the plug (301).

5. The sealing structure of a leaf filter as described in claim 4, wherein, Two clamping holes (302) are provided at the top of the plug (301).

6. The sealing structure of a leaf filter as described in claim 4, wherein The plug (301) is an outer rubber layer, and a lead column is embedded inside the outer rubber layer.

7. The sealing structure of a leaf filter according to claim 1, characterized in that, The small diameter of the main ring (1) is ∮1621 mm.

8. The sealing structure of a leaf filter as described in claim 7, characterized in that, The main ring (1) and the T-shaped head (2) are made of high molecular material silica gel.

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