Multifunctional filtering, dewatering and drying tank

Abstract

The utility model provides a multifunctional filtering, dewatering and drying tank. The multifunctional filtering, dewatering and drying tank comprises a tank body, a drying shell, a first-stage oil filtering mechanism, a second-stage filtering molecular sieve and a third-stage filtering molecular sieve, a lower air outlet is formed in the bottom of the tank body; a lower air inlet is formed in the periphery of the lower air outlet; an upper filtering bin and a lower filtering bin which are vertically communicated are arranged in the drying shell, and an upper air inlet and a lower air outlet are formed in the top and the bottom of the drying shell respectively; the primary oil filtering mechanism is arranged between the outer wall of the drying shell and the inner bottom wall of the tank body; a gas conveying channel is formed between the outer walls of the first-stage oil filtering mechanism and the drying shell and the inner wall of the tank body, and is communicated with the upper gas inlet hole; the second-stage filtering molecular sieve and the third-stage filtering molecular sieve are respectively accommodated in the upper filtering bin and the lower filtering bin of the drying shell, and the two stages of molecular sieves are different in at least one aspect of materials, particle sizes and pore diameters. The technical problems that an existing drying tank is single in filtering structure, and filtering effect and efficiency balancing and targeted graded purification are not facilitated are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying tanks, in particular to a multifunctional filtering and dehydrating drying tank. Background Art

[0002] The vehicle gas drying tank is a key component in the vehicle air system. Its main function is to filter and dry impurities such as water molecules and a small amount of oil molecules in the compressed air, thereby protecting the service life of various valves and rubber products on the vehicle air circuit and ensuring the effectiveness of braking.

[0003] The existing drying tank adopts a primary or secondary filtration structure, wherein the primary filtration structure adopts a single molecular sieve for adsorption drying, and the secondary filtration structure adopts a filter and a molecular sieve for oil filtration and drying. The above filtration structure is single, which is not conducive to balancing the filtration effect and efficiency and targeted graded purification. Utility Model Content

[0004] The purpose of the utility model is to provide a multifunctional filtering, dewatering and drying tank, which solves the above-mentioned technical problems.

[0005] Utility model solution:

[0006] The utility model provides a multifunctional filtering and dehydrating drying tank, comprising a tank body, a drying shell, a primary oil filtering mechanism, a secondary filtering molecular sieve and a tertiary filtering molecular sieve; a lower air outlet is provided at the bottom of the tank body, and a lower air inlet is provided at the periphery of the lower air outlet; an upper filtering chamber and a lower filtering chamber connected up and down are provided in the drying shell, and the bottom of the drying shell is arranged on the lower air outlet in the tank body, the top of the drying shell is connected to the tank body through a supporting member, and an upper air inlet hole and a lower air outlet hole are respectively provided at the top and the bottom of the drying shell, and the lower air outlet hole is connected to the lower air outlet; the primary oil filtering mechanism is arranged between the outer wall of the drying shell and the inner bottom wall of the tank body, and the outer wall of the drying shell has a multi-layer oil absorption structure; an air transmission channel is formed between the primary oil filtering mechanism and the outer wall of the drying shell and the inner wall of the tank body, and the air transmission channel is connected to the upper air inlet hole; the secondary filtering molecular sieve and the tertiary filtering molecular sieve are respectively accommodated in the upper filtering chamber and the lower filtering chamber of the drying shell, and the two-stage molecular sieves are different in at least one aspect in terms of material, particle size and pore size.

[0007] Furthermore, in the secondary filtering molecular sieve and the tertiary filtering molecular sieve, each stage of the molecular sieve is made of alumina or aluminosilicate material.

[0008] Furthermore, the secondary filtering molecular sieve is made of alumina material, and the tertiary filtering molecular sieve is made of aluminosilicate material.

[0009] Further, when the secondary filtering molecular sieve and the tertiary filtering molecular sieve differ in particle size and / or pore size, the particle size and / or pore size of the tertiary filtering molecular sieve is relatively smaller than that of the secondary filtering molecular sieve.

[0010] Furthermore, a secondary oil filtering material layer is provided between the secondary filtering molecular sieve and the tertiary filtering molecular sieve, and / or a tertiary oil filtering material layer is provided under the tertiary filtering molecular sieve.

[0011] Furthermore, it also includes a backflush pipeline, which is arranged through the drying shell and the tank body, and its upper pipe opening is used to connect to the backflush gas storage tank, and its lower pipe opening is connected to the lower air outlet and the lower air outlet hole.

[0012] Beneficial effects:

[0013] The utility model provides a multifunctional filtering and dehydrating drying tank, which adopts a multi-stage filtering structure, wherein the first-stage oil filtering mechanism adopts a multi-layer oil absorption structure, which has a better oil filtering effect and is not easy to be blocked; wherein the second-stage filtering molecular sieve and the third-stage filtering molecular sieve adopt different materials, particle sizes or pore sizes, and different filter materials can focus on the classification and full filtration of different impurities in the gas, and at the same time, different size adjustments are also conducive to effectively balancing the filtering effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 A schematic diagram of the structure of the drying tank provided in this embodiment;

[0016] Figure 2 A schematic diagram of the air flow of the drying tank provided in this embodiment when it is in a positive blowing state;

[0017] Figure 3 A schematic diagram of the gas flow of the drying tank provided in this embodiment when it is in a backflush state.

[0018] icon:

[0019] 10-tank body; 11-lower air outlet; 12-lower air inlet;

[0020] 20-drying shell; 21-upper air inlet; 22-lower air outlet;

[0021] 30-primary oil filtering mechanism; 40-secondary filtering molecular sieve; 50-tertiary filtering molecular sieve; 60-gas transmission channel; 70-secondary oil filtering material layer; 80-tertiary oil filtering material layer; 90-backflush pipeline. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0025] This embodiment provides a multifunctional filtration and dehydration drying tank, please refer to Figure 1-3As shown, it includes a tank body 10, a drying shell 20, a primary oil filtering mechanism 30, a secondary filtering molecular sieve 40 and a tertiary filtering molecular sieve 50; the tank body 10 is provided with a lower air outlet 11 at the bottom, and a lower air inlet 12 is provided at the periphery of the lower air outlet 11; the drying shell 20 is provided with an upper filtering chamber and a lower filtering chamber connected up and down, and its bottom is arranged on the lower air outlet 11 in the tank body 10, and its top is connected to the tank body 10 through a supporting member, and its top and bottom are respectively provided with an upper air inlet 21 and a lower air outlet 22, and the lower air outlet 22 is connected to the lower air outlet 11. 11 is connected; the primary oil filtering mechanism 30 is arranged between the outer wall of the drying shell 20 and the inner bottom wall of the tank body 10, and its outer wall has a multi-layer oil absorption structure; an air delivery channel 60 is formed between the primary oil filtering mechanism 30 and the outer wall of the drying shell 20 and the inner wall of the tank body 10, and the air delivery channel 60 is connected to the upper air inlet 21; the secondary filtering molecular sieve 40 and the tertiary filtering molecular sieve 50 are respectively accommodated in the upper filtering bin and the lower filtering bin of the drying shell 20, and the two-stage molecular sieves are different in at least one aspect of material, particle size and pore size.

[0026] Specifically, the multi-layer oil absorption structure of the first-stage oil filter mechanism 30 can adopt multi-layer wound oil absorption cotton, or can adopt oil absorption cotton with a multi-layer structure itself. The multi-layer oil absorption structure can ensure the oil absorption effect and is not easy to be blocked, thereby ensuring the filtering effect and improving the service life; wherein, different molecular sieve materials will focus on the adsorption and filtration of different impurities in the gas, and at the same time, the particle size and pore size of the molecular sieve will also affect the filtering effect and efficiency; generally, the smaller the particle size and pore size of the molecular sieve, the better the filtering effect, but the slower the filtering efficiency; therefore, by adopting molecular sieves of different materials and sizes, the impurities in the gas can be targetedly graded and purified, while balancing the filtering effect and efficiency; in addition, the two-stage molecular sieve filtration is respectively contained in the upper and lower filter bins, which is convenient for separately containing, splitting and assembling the molecular sieves.

[0027] In this embodiment, in the secondary filtering molecular sieve 40 and the tertiary filtering molecular sieve 50, each molecular sieve is made of alumina or aluminosilicate material.

[0028] Specifically, the two-stage molecular sieves may be made of the same material such as alumina or aluminosilicate material, or may be made of different materials, such as one is made of alumina and the other is made of aluminosilicate material.

[0029] In this embodiment, the secondary filtering molecular sieve 40 is made of alumina material, and the tertiary filtering molecular sieve 50 is made of aluminosilicate material.

[0030] Specifically, when the secondary filter molecular sieve 40 is made of alumina material, it can focus on filtering and adsorbing oil and gas, part of water vapor and other impurities in the gas. When the tertiary filter molecular sieve 50 is made of aluminosilicate material, this material has good hydrophilicity and can fully dehydrate and dry the gas.

[0031] In this embodiment, when the secondary filtering molecular sieve 40 and the tertiary filtering molecular sieve 50 differ in particle size and / or pore size, the particle size and / or pore size of the tertiary filtering molecular sieve 50 is relatively smaller than that of the secondary filtering molecular sieve 40 .

[0032] Specifically, the secondary filtering molecular sieve 40 adopts a larger particle size and / or pore size for rapid filtration, and the tertiary filtering molecular sieve 50 adopts a smaller particle size and / or pore size to ensure the final filtration effect. The combination of the two can balance the filtration effect and efficiency and ensure sufficient purification of the gas.

[0033] In this embodiment, a secondary oil filter material layer 70 is further provided between the secondary filter molecular sieve 40 and the tertiary filter molecular sieve 50 , and / or a tertiary oil filter material layer 80 is further provided under the tertiary filter molecular sieve 50 .

[0034] Specifically, the secondary oil filter material layer 70 and the tertiary oil filter material layer 80 can use oil filter cotton which itself has a multi-layer oil filter structure, and can be respectively arranged on the lower side of the two-stage molecular sieve to further improve the filtering effect. At the same time, it can also absorb impurities such as oil deposited on the molecular sieve; in addition, in addition to the position shown in the figure, the two oil filter material layers can also be respectively arranged on the upper side of the bottom of the filter bin where the two-stage molecular sieve is located, that is, the specific position can be flexibly adjusted as long as the relative position with the corresponding molecular sieve is kept unchanged.

[0035] In this embodiment, a back-blowing pipeline 90 is further included. The back-blowing pipeline 90 is penetrated through the drying shell 20 and the tank body 10 , and its upper pipe opening is used to connect to the back-blowing gas storage tank, and its lower pipe opening is communicated with the lower air outlet 11 and the lower air outlet hole 22 .

[0036] Specifically, in the prior art, the moisture and impurities of the filter material in the drying tank are blown away by the back-blowing port and the back-blowing channel integrated on the external valve body assembly, so that it regains the ability of drying and filtering, such as a vehicle air filter drying device assembly disclosed in Chinese patent CN 202638242U, but the valve body assembly structure of this integrated back-blowing structure is generally complex, and when the valve body assembly fails, it needs to be replaced as a whole. By independently arranging the back-blowing pipeline 90 in the drying tank and connecting it to the back-blowing gas storage tank for use, the back-blowing of the drying tank and the regeneration of the filter material are achieved, and at the same time, the problems of the integrated valve body structure being too complicated, easily causing blockage and failure, and requiring overall replacement are avoided; in addition, when used specifically, the back-blowing gas storage tank can be inflated at the same time as the air intake filtration, that is, the forward blowing, and the excess gas is discharged from the lower air outlet 11, and the back-blowing is performed again after the valve body assembly reaches a certain pressure unloading.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A multifunctional filtering and dehydrating drying tank, characterized in that: It comprises a tank body (10), a drying shell (20), a primary oil filtering mechanism (30), a secondary filtering molecular sieve (40) and a tertiary filtering molecular sieve (50); The bottom of the tank body (10) is provided with a lower air outlet (11), and the periphery of the lower air outlet (11) is provided with a lower air inlet (12); The drying shell (20) is provided with an upper filter chamber and a lower filter chamber which are connected to each other, and the bottom of the drying shell is arranged on the lower air outlet (11) in the tank body (10), and the top of the drying shell is connected to the tank body (10) through a support member, and the top and bottom of the drying shell are respectively provided with an upper air inlet (21) and a lower air outlet (22), and the lower air outlet (22) is connected to the lower air outlet (11); The primary oil filter mechanism (30) is arranged between the outer wall of the drying shell (20) and the inner bottom wall of the tank body (10), and the outer wall thereof has a multi-layer oil absorption structure; an air delivery channel (60) is formed between the primary oil filter mechanism (30) and the outer wall of the drying shell (20) and the inner wall of the tank body (10), and the air delivery channel (60) is communicated with the upper air inlet hole (21); The secondary filtering molecular sieve (40) and the tertiary filtering molecular sieve (50) are respectively accommodated in the upper filtering chamber and the lower filtering chamber of the drying shell (20), and the two levels of molecular sieves are different in at least one aspect of material, particle size and pore size.

2. A multifunctional filtering, dewatering and drying tank according to claim 1, characterized in that: In the secondary filtering molecular sieve (40) and the tertiary filtering molecular sieve (50), each molecular sieve is made of alumina or aluminosilicate material.

3. A multifunctional filtering, dewatering and drying tank according to claim 2, characterized in that: The secondary filtering molecular sieve (40) is made of alumina material, and the tertiary filtering molecular sieve (50) is made of aluminosilicate material.

4. A multifunctional filtering, dewatering and drying tank according to any one of claims 1 to 3, characterized in that: When the secondary filtering molecular sieve (40) and the tertiary filtering molecular sieve (50) differ in particle size and / or pore size, the particle size and / or pore size of the tertiary filtering molecular sieve (50) is relatively smaller than that of the secondary filtering molecular sieve (40).

5. A multifunctional filtering, dehydrating and drying tank according to any one of claims 1 to 3, characterized in that: A secondary oil filtering material layer (70) is further provided between the secondary filtering molecular sieve (40) and the tertiary filtering molecular sieve (50), and / or a tertiary oil filtering material layer (80) is further provided on the lower side of the tertiary filtering molecular sieve (50).

6. A multifunctional filtering, dewatering and drying tank according to any one of claims 1 to 3, characterized in that: It also includes a back-blowing pipeline (90), which is arranged through the drying shell (20) and the tank body (10), and its upper pipe opening is used to connect to a back-blowing gas storage tank, and its lower pipe opening is communicated with the lower gas outlet (11) and the lower gas outlet hole (22).

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