Freezing dryer with filtering structure

Abstract

The utility model relates to the technical field of freezing dryers, in particular to a freezing dryer with a filtering structure, which comprises a base, the upper end of the base is fixedly connected with a freezing dryer body, the left part of the upper end of the freezing dryer body is fixedly connected with an air inlet pipe in a penetrating manner, and the upper part of the inner wall surface of the air inlet pipe is arranged to be a fillet edge; the upper portion of the outer surface of the air inlet pipe is provided with two embedding holes which are through inside and outside, and a sleeving assembly is movably connected into the air inlet pipe in a sleeved mode. According to the refrigeration dryer with the filtering structure, the filtering assembly is arranged, the first-stage filtering net and the second-stage filtering net which are different in hole diameter are included, and the activated carbon layer is arranged, so that multi-stage filtering of impurities with different particle sizes, oil mist and peculiar smells in compressed air is achieved, the first-stage filtering net filters large-particle impurities firstly, the second-stage filtering net filters large-particle impurities, and then the second-stage filtering net filters large-particle impurities; the second-stage filter screen further intercepts small particles, and the activated carbon layer adsorbs peculiar smell and oil mist, so that the purification effect of compressed air is greatly improved, and the high-requirement industrial gas standard is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold dryer technical field, especially a kind of cold dryer with filter structure. BACKGROUND

[0002] Cold dryer is the abbreviation of refrigeration dryer, and cold dryer is a new technology, which belongs to gas source processing element in pneumatic system;

[0003] However, the traditional cold dryer still has the following shortcomings: 1, the traditional cold dryer is equipped with only simple filter device, and the filtering precision is low, so it cannot effectively intercept small particles and oil mist, and it is difficult to meet the requirements of high air quality in industrial scene; 2, the filter device structure of the traditional cold dryer is fixed, and there is a problem of inconvenient installation and maintenance, which is greatly limited in actual application, therefore, we launch a kind of cold dryer with filter structure. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of cold dryer with filter structure, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of cold dryer with filter structure, including base, the base upper end is fixedly connected with cold dryer body, the left part of the upper end of the cold dryer body is fixedly connected with air inlet pipe and the inner wall surface upper part of air inlet pipe is provided with rounded corner, the outer surface upper part of air inlet pipe is provided with two in-out through embedding holes, the air inlet pipe is movably sleeved with sleeve assembly, the lower right end of the cold dryer body is fixedly connected with air outlet pipe;

[0007] The sleeve assembly includes sleeve frame, the inner plate is fixedly sleeved in the sleeve frame, the upper end of the inner plate is provided with a plurality of filter holes, the outer surface left part and the outer surface right part of the sleeve frame are both provided with movable slot, the inner wall surface of two movable slots is fixedly connected with embedding assembly, the lower end of the sleeve frame is fixedly connected with filter assembly, and the sleeve frame is movably sleeved in the air inlet pipe.

[0008] Preferably, a plurality of filter holes are arranged in a ring array around the center of the inner plate.

[0009] By adopting the above technical scheme: a plurality of filter holes are arranged in a ring array around the center of the inner plate, so that the compressed air to be treated can be evenly dispersed when entering, and can enter from the filter holes in all directions at the moment of contact with the inner plate, without the situation of local airflow concentration and other areas of sparse airflow.

[0010] Preferably, the chimeric assembly includes a movable block, the left end of the right side of the movable block is fixedly connected with a spring, the right end of the right side of the movable block is fixedly connected with a chimeric head, the right end of the chimeric head is fixedly connected with a hemispherical connector, and the left end of the right side of the spring is fixedly connected with the left inner wall surface of the right side of the movable slot.

[0011] By adopting the above technical scheme: when the sleeve assembly is installed to the air inlet pipe, only the sleeve frame needs to be aligned and inserted into the air inlet pipe, and during the insertion process, the hemispherical connector first contacts the inner wall of the air inlet pipe, and due to the special shape of the hemispherical connector, when being extruded, the hemispherical connector can uniformly disperse the force and guide the movable block to shrink into the movable slot, and at the same time, the spring is compressed, when the chimeric head moves to the position aligned with the chimeric hole, the elastic potential energy accumulated by the spring is released, and the movable block and the chimeric head are quickly embedded into the chimeric hole to realize automatic chimerization, and this design avoids the cumbersome alignment and fixing operation in the traditional installation mode, and greatly saves the installation time and labor cost.

[0012] Preferably, the movable block is movably sleeved in the corresponding movable slot, and the chimeric head is movably sleeved in the corresponding chimeric hole.

[0013] By adopting the above technical scheme: when the sleeve assembly needs to be maintained or replaced, the maintenance personnel only needs to apply a certain external force to the movable block to make it slide in the movable slot, so that the chimeric head can be withdrawn from the chimeric hole, and this easy disassembly operation reduces the maintenance time and difficulty, and reduces the influence of equipment downtime on production.

[0014] Preferably, the filter assembly includes an upper fixed frame, the lower end of the upper fixed frame is fixedly connected with a middle fixed frame, the lower end of the middle fixed frame is fixedly connected with a lower fixed frame, the inner wall surface of the upper fixed frame is embedded with a first-stage filter screen, the inner wall surface of the middle fixed frame is embedded with a second-stage filter screen, and the inner wall surface of the lower fixed frame is fixedly connected with an activated carbon layer, and the upper end of the upper fixed frame is fixedly connected with the lower end of the sleeve frame.

[0015] By adopting the above technical scheme: the first-stage filter screen, the second-stage filter screen and the activated carbon layer realize multi-stage filtration, the first-stage filter screen can preliminarily filter the entering compressed air to intercept larger particle impurities such as dust and rust, then the second-stage filter screen further screens the air after preliminary filtration to remove smaller particulate matters, and finally the activated carbon layer uses its strong adsorption capacity to adsorb odors, oil mist and some gaseous pollutants in the air, and the multi-stage filtration layer by layer progresses, which can more comprehensively and efficiently purify the compressed air to provide high-quality dry air and meet the strict requirements of different industrial scenes on air quality.

[0016] Preferably, the pore size of the first-stage filter screen is larger than the pore size of the second-stage filter screen, and the pore size of the first-stage filter screen is smaller than the pore size of the filter hole.

[0017] By adopting the technical scheme, the first filter screen first intercepts large-particle impurities, reduces the burden of the second filter screen, the large-particle impurities are blocked by the first filter screen and cannot directly impact the second filter screen, the risk of the second filter screen being blocked is reduced, the service life of the second filter screen is prolonged, meanwhile, the first filter screen has a smaller aperture than the filter hole, so that the first filter screen only needs to process the air after preliminary filtration, the burden of the first filter screen is reasonably controlled, and the replacement cycle of the first filter screen is prolonged.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] 1、The utility model discloses a filter assembly is set up, contains the first filter screen and second filter screen of different aperture and the activated carbon layer, realizes the multistage filtration of different particle size impurities, oil mist and peculiar smell in compressed air, the first filter screen filters large-particle impurities first, and the second filter screen further intercepts small particle, and the activated carbon layer adsorbs peculiar smell and oil mist, greatly promotes the purification effect of compressed air, satisfies the high -quality industrial gas standard of requirement.

[0020] 2、The utility model discloses a sleeve joint assembly adopts special fitting structure, when installing, only need to insert the sleeve frame to the air inlet pipe, when fitting head is aligned with fitting hole, spring pushes the movable block, makes fitting head automatic embedding fitting hole, and the hemispherical connector guarantees that embedding process is smooth, and this design greatly simplifies the installation step, saves installation time and manpower cost. DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the cold dryer with filter structure of the utility model;

[0022] Figure 2 It is the whole structure schematic diagram of the cold dryer with filter structure of the utility model; Figure 1 It is the structure enlarged view of A in the cold dryer with filter structure of the utility model;

[0023] Figure 3 It is the whole structure schematic diagram of sleeve joint assembly of the cold dryer with filter structure of the utility model (wherein the air inlet pipe is cut open);

[0024] Figure 4 It is the whole structure schematic diagram of fitting assembly of the cold dryer with filter structure of the utility model (wherein the sleeve frame is cut open);

[0025] Figure 5 It is the whole structure schematic diagram of filter assembly of the cold dryer with filter structure of the utility model.

[0026] In the figure: 1, base; 2, cold dryer body; 3, air inlet pipe; 4, fitting hole; 5, sleeve assembly; 6, air outlet pipe; 51, sleeve frame; 52, inner plate; 53, filter hole; 54, movable slot; 55, fitting assembly; 56, filter assembly; 551, movable block; 552, spring; 553, fitting head; 554, semispherical connector; 561, upper fixed frame; 562, middle fixed frame; 563, lower fixed frame; 564, first-stage filter screen; 565, second-stage filter screen; 566, activated carbon layer. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] In the description of the utility model, it should be pointed out that the positions or location relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication between two elements inside. For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0031] A cold dryer with a filter structure, comprising a base 1, the upper end of the base 1 is fixedly connected with a cold dryer body 2, the left part of the upper end of the cold dryer body 2 is fixedly connected with an air inlet pipe 3, and the inner wall surface of the air inlet pipe 3 is provided with a rounded corner on the upper part, two fitting holes 4 are formed in the outer surface of the air inlet pipe 3, the sleeve assembly 5 is movably sleeved in the air inlet pipe 3, and the lower right end of the cold dryer body 2 is fixedly connected with an air outlet pipe 6.

[0032] In the embodiment, the sleeve assembly 5 comprises a sleeve frame 51, the sleeve frame 51 is fixedly sleeved with an inner plate 52, a plurality of filter holes 53 are formed in the upper end of the inner plate 52, the outer surface left part and the outer surface right part of the sleeve frame 51 are both provided with a movable slot 54, the inner wall surface of the two movable slots 54 is fixedly connected with an embedded assembly 55, the lower end of the sleeve frame 51 is fixedly connected with a filter assembly 56, and the sleeve frame 51 is movably sleeved in the air inlet pipe 3; the plurality of filter holes 53 are distributed in a central annular array of the inner plate 52; the embedded assembly 55 comprises a movable block 551, the left end of the right movable block 551 is fixedly connected with a spring 552, the right end of the right movable block 551 is fixedly connected with an embedded head 553, the right end of the embedded head 553 is fixedly connected with a hemispherical connecting head 554, and the left end of the right spring 552 is fixedly connected with the left inner wall surface of the right movable slot 54; the movable block 551 is movably sleeved in the corresponding movable slot 54, and the embedded head 553 is movably sleeved in the corresponding embedded hole 4; the filter assembly 56 comprises an upper fixed frame 561, the lower end of the upper fixed frame 561 is fixedly connected with a middle fixed frame 562, the lower end of the middle fixed frame 562 is fixedly connected with a lower fixed frame 563, the inner wall surface of the upper fixed frame 561 is embedded with a first-stage filter screen 564, the inner wall surface of the middle fixed frame 562 is embedded with a second-stage filter screen 565, and the inner wall surface of the lower fixed frame 563 is fixedly connected with an activated carbon layer 566; the upper end of the upper fixed frame 561 is fixedly connected with the lower end of the sleeve frame 51; the pore size of the first-stage filter screen 564 is larger than that of the second-stage filter screen 565, and the pore size of the first-stage filter screen 564 is smaller than that of the filter hole 53.

[0033] It should be noted that, in the use process, the sleeve frame 51 is aligned with the air inlet pipe 3 and slowly inserted, in the process of insertion, the embedded assembly 55 in the movable slot 54 is extruded, when the embedded head 553 is aligned with the embedded hole 4 on the air inlet pipe 3, the elastic force of the spring 552 pushes the movable block 551, so that the embedded head 553 is embedded in the embedded hole 4, the hemispherical connecting head 554 can facilitate smoother embedding action, at this time, the sleeve assembly 5 is fixed with the air inlet pipe 3, the power supply of the cold dryer body 2 is turned on, the compressed air to be treated enters from the air inlet pipe 3, the compressed air first passes through the filter holes 53 on the inner plate 52, the filter holes 53 are distributed in an annular array, and can preliminarily filter larger particle impurities, then the air enters the filter assembly 56, first passes through the first-stage filter screen 564, the pore size of the first-stage filter screen 564 is larger than that of the second-stage filter screen 565 and smaller than that of the filter hole 53, and the first-stage filter screen 564 can further filter smaller particle impurities, then the air passes through the second-stage filter screen 565, and the second-stage filter screen 565 filters smaller impurities, finally the air passes through the activated carbon layer 566, the activated carbon layer 566 adsorbs peculiar smell, oil mist and harmful substances in the air, and the compressed air treated by filtering and drying is discharged from the air outlet pipe 6 for subsequent equipment use.

[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A freeze-drying machine having a filtering structure, comprising a base (1), characterized in that: The bottom (1) upper end fixedly connected with the cold dryer body (2), the cold dryer body (2) upper end left part is fixedly connected with the air inlet pipe (3) and the inner wall surface of air inlet pipe (3) upper part is set to round angle edge, the outer surface of air inlet pipe (3) upper part is opened two inside and outside through the fitting hole (4), the air inlet pipe (3) is movably sleeved with sleeve assembly (5), the cold dryer body (2) right end lower part is fixedly connected with the air outlet pipe (6); The sleeve assembly (5) includes a sleeve frame (51), the inner plate (52) is fixedly sleeved in the sleeve frame (51), a plurality of filter holes (53) are formed in the upper end of the inner plate (52), the outer surface left part and the outer surface right part of the sleeve frame (51) are both provided with a movable slot (54), the inner wall surface of the two movable slots (54) is fixedly connected with the fitting assembly (55), the sleeve frame (51) is movably sleeved in the air inlet pipe (3).

2. The freeze dryer with filter structure according to claim 1, characterized in that: A plurality of filter holes (53) are arranged in a central annular array of the inner plate (52).

3. The freeze dryer with filter structure according to claim 1, characterized in that: The fitting assembly (55) includes a movable block (551), the right side movable block (551) left end is fixedly connected with a spring (552), the right side movable block (551) right end is fixedly connected with a fitting head (553), the fitting head (553) right end is fixedly connected with a hemispherical connector (554), the left end of the right side spring (552) is fixedly connected with the left inner wall surface of the right side movable slot (54).

4. The freeze dryer with filter structure according to claim 3, characterized in that: The movable block (551) is movably sleeved in the corresponding movable slot (54), and the fitting head (553) is movably sleeved in the corresponding fitting hole (4).

5. The freeze dryer with filter structure according to claim 1, characterized in that: The filter assembly (56) includes an upper fixed frame (561), the upper fixed frame (561) is fixedly connected with a middle fixed frame (562) at the lower end, the middle fixed frame (562) is fixedly connected with a lower fixed frame (563) at the lower end, the inner wall surface of the upper fixed frame (561) is embedded with a first-stage filter screen (564), the inner wall surface of the middle fixed frame (562) is embedded with a second-stage filter screen (565), the inner wall surface of the lower fixed frame (563) is fixedly connected with an activated carbon layer (566), and the upper end of the upper fixed frame (561) is fixedly connected with the lower end of the sleeve frame (51).

6. The freeze dryer with filter structure according to claim 5, characterized in that: The pore size of the first-stage filter screen (564) is larger than the pore size of the second-stage filter screen (565), and the pore size of the first-stage filter screen (564) is smaller than the pore size of the filter hole (53).

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