Low-dew-point dry air generator

Abstract

The utility model provides a low dew point dry air generator which comprises an air generator body, the air generator body comprises an air inlet pipe and an air outlet pipe which are used for being connected with an adsorbent, an adsorption bin is detachably connected between the air inlet pipe and the air outlet pipe, and the adsorbent can be placed in the adsorption bin. The adsorption bin comprises an upper mounting cylinder used for being connected with an air inlet pipe and a lower mounting cylinder used for being connected with an air outlet pipe, and the upper mounting cylinder and the lower mounting cylinder are elastically connected through a spring. According to the low-dew-point dry air generator, the two limiting discs are driven by the two-way screw to synchronously and reversely move, and the two limiting discs are matched with the upper mounting barrel and the lower mounting barrel which are elastically connected through the spring, so that the positions of the limiting discs are adjusted according to the distance between the air inlet pipe and the air outlet pipe during mounting, and the upper mounting barrel and the lower mounting barrel are directly extruded for mounting; the adsorbent replacement time is obviously shortened, and the method is especially suitable for high-frequency maintenance scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry air generator technical field, concretely is a kind of low dew point dry air generator. BACKGROUND

[0002] Low dew point dry air generator is the key equipment for compressed air dehydration by adsorbent, and the output dry air dew point can be reduced to-40 DEG C or below, widely used in lithium battery production, precision instrument manufacturing and other air humidity demanding industrial scene.This kind of equipment usually uses detachable adsorption warehouse structure, to quickly replace after adsorbent saturation, guarantee the continuity of drying efficiency.

[0003] However, the connection mode of existing adsorption warehouse and air inlet pipe, air outlet pipe has significant defects: using flange bolt or threaded locking fixed structure needs to repeatedly disassemble multiple fasteners when replacing adsorbent, and the operation steps are tedious and time-consuming, especially in narrow space or high-frequency maintenance scene, dismounting difficulty further increases.

[0004] Therefore, a low dew point dry air generator is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problem that the adsorbent of traditional low dew point dry air generator is inconvenient to replace, and provides a low dew point dry air generator.

[0006] In order to solve the above technical problem, the utility model adopts the following technical scheme: a low dew point dry air generator, comprising an air generator body, the air generator body includes air inlet pipe and air outlet pipe for connecting adsorbent, the air inlet pipe and air outlet pipe are detachably connected with adsorption warehouse in which adsorbent can be placed, the adsorption warehouse includes upper installation cylinder for connecting air inlet pipe and lower installation cylinder for connecting air outlet pipe, the upper installation cylinder and the lower installation cylinder are elastically connected by spring, the bottom of the upper installation cylinder and the top of the lower installation cylinder are jointly connected with connecting cylinder, the top of the upper installation cylinder and the bottom of the lower installation cylinder are slidably connected with limiting disc for clamping air inlet pipe or air outlet pipe, bidirectional screw rod rotatingly arranged in the connecting cylinder drives the relative motion of two limiting discs.

[0007] Preferably, the threads of the two ends of the bidirectional screw rod are reversely arranged, the two ends of the bidirectional screw rod are threadedly connected with screw sleeves, and the bidirectional screw rod and the screw sleeves are provided with balls, and the two screw sleeves are fixedly connected with the two limiting discs respectively.

[0008] Preferably, a plurality of through holes for gas passing through are arranged on the limiting disc, a hollow connecting rod is fixedly connected to the limiting disc, the connecting rod is fixedly connected with a sleeve, and an adjusting groove for rotating the bidirectional screw rod is arranged on the end of the bidirectional screw rod.

[0009] Preferably, a plurality of sliding strips are fixedly connected to the connecting cylinder, and a plurality of movable grooves with sizes matched with the sliding strips are arranged on the inner wall surfaces of the upper mounting cylinder and the lower mounting cylinder.

[0010] Preferably, a plurality of sliding blocks with T-shaped cross sections are fixedly connected to the limiting disc, and a plurality of sliding grooves with sizes matched with the sliding blocks are arranged on the inner wall surfaces of the upper mounting cylinder and the lower mounting cylinder.

[0011] Preferably, a mounting block is fixedly connected in the connecting cylinder, a rotating ring with a T-shaped cross section is fixedly connected to the middle part of the bidirectional screw rod, and the rotating ring is rotatably connected to the mounting block.

[0012] Preferably, a channel for adjusting the bidirectional screw rod is arranged on the limiting disc.

[0013] Compared with the prior art, the low-dew-point dry air generator has the following beneficial effects:

[0014] 1. The low-dew-point dry air generator provided by the utility model is driven by a bidirectional screw rod to realize synchronous reverse movement of two limiting discs, and the upper mounting cylinder and the lower mounting cylinder are elastically connected by springs, so that the position of the limiting disc can be adjusted according to the distance between the air inlet pipe and the air outlet pipe during installation, and then the installation can be directly performed by extruding the upper mounting cylinder and the lower mounting cylinder, the adsorbent replacement time is significantly shortened, and the low-dew-point dry air generator is especially suitable for high-frequency maintenance scenes.

[0015] 2. The low-dew-point dry air generator provided by the utility model ensures the alignment accuracy during clamping by cooperation of the T-shaped sliding blocks and the sliding grooves of the limiting disc, and the axial deformation of the mounting cylinder and the pipeline is compensated by the spring elastic force, so that the sealing failure caused by vibration or thermal expansion and cold contraction is avoided.

[0016] 3. The low-dew-point dry air generator provided by the utility model is driven by a rotating bidirectional screw rod to realize synchronous reverse movement of two limiting discs, the clamping distance of the limiting disc can be flexibly adjusted, the installation requirements of air inlet pipes and air outlet pipes with different distances can be adapted, the extension and retraction allowance of the spring elastic connection is combined, the quick alignment is realized without the need of replacing components, the compatibility of the equipment to different pipeline systems is significantly improved, and the customization modification cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings accompanying the specification of this application form a part hereof, serve to provide further understanding of the application, and together with the description of the exemplary embodiments of the application and explanations thereof, serve the purpose of explaining the application.

[0018] In the drawings:

[0019] Figure 1 It is the three-dimensional structure schematic view of an embodiment of the utility model.

[0020] Figure 2 It is the split drawing of adsorption bin and air generator body of an embodiment of the utility model.

[0021] Figure 3 It is the position relation diagram of connecting cylinder of an embodiment of the utility model.

[0022] Figure 4 It is the sectional view schematic view of upper installation cylinder of an embodiment of the utility model.

[0023] Figure 5 It is the sectional view schematic view of upper installation cylinder of an embodiment of the utility model from another angle.

[0024] Figure 6 It is the split drawing of bidirectional screw of an embodiment of the utility model.

[0025] Figure 7 It is the position relation diagram of bidirectional screw of an embodiment of the utility model.

[0026] In the drawings: 1, air generator body, 101, air inlet pipe, 102, air outlet pipe, 2, adsorption bin, 3, upper installation cylinder, 4, lower installation cylinder, 5, connecting cylinder, 6, spring, 7, limit disc, 8, bidirectional screw, 81, adjusting groove, 9, slide bar, 10, movable slot, 11, sliding block, 12, sliding slot, 13, installation block, 14, swivel ring, 15, connecting rod, 16, screw sleeve, 17, passage. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Please refer to Figures 1-7 .

[0029] The utility model low dew point dry air generator includes air generator body 1, air generator body 1 includes the air inlet pipe 101 and the air outlet pipe 102 for connecting adsorbent, and the adsorption storehouse 2 of inside can place adsorbent is detachably connected between the air inlet pipe 101 and the air outlet pipe 102, the adsorption storehouse 2 includes the upper installation cylinder 3 for connecting the air inlet pipe 101 and the lower installation cylinder 4 for connecting the air outlet pipe 102, and the upper installation cylinder 3 and the lower installation cylinder 4 are elastically connected through spring 6, and the bottom of the upper installation cylinder 3 and the top of the lower installation cylinder 4 are slidably connected with the connecting cylinder 5, the top of the upper installation cylinder 3 and the bottom of the lower installation cylinder 4 are slidably connected with the limiting disc 7 for clamping the air inlet pipe 101 or the air outlet pipe 102, the bidirectional screw 8 of driving two limiting discs 7 relative movement is rotatably arranged in the connecting cylinder 5, and the connecting cylinder 5 is slidably connected between the upper installation cylinder 4, and the bidirectional screw 8 of driving two limiting discs 7 relative movement is arranged in the connecting cylinder 5, the limiting disc 7 can be synchronously reversely moved to clamp or release the pipeline by rotating the bidirectional screw 8, the elastic expansion of spring 6 can compensate the positional deviation between the installation cylinder and the pipeline, thereby realizing quick disassembly and assembly, the structure replaces traditional bolt fixing by mechanical linkage, significantly shortens adsorbent replacement time, and simultaneously the spring 6 buffering avoids the sealing surface wear caused by rigid connection, improves long-term sealing stability.

[0030] Secondly, the threads of the two ends of the bidirectional screw 8 are reversely arranged, the two ends of the bidirectional screw 8 are threadedly connected with the screw sleeves 16, and the bidirectional screw 8 and the screw sleeves 16 are provided with balls therebetween, and the two screw sleeves 16 are fixedly connected with the two limiting discs 7 respectively, and the purpose of the arrangement is to drive the two limiting discs 7 to synchronously reversely move when the bidirectional screw 8 is rotated by utilizing the reverse threads, to realize the distance adjustment of the two limiting discs 7 by single direction operation, to reduce the friction resistance between the screw and the screw sleeve 16 by adding the balls, to prolong the service life, and to ensure uniform transmission of clamping force and avoid operation difficulty caused by friction jam.

[0031] Thirdly, a plurality of through holes for gas passing are formed in the limiting disc 7, the connecting rod 15 is fixedly connected with the limiting disc 7 and is hollow, the connecting rod 15 is fixedly connected with the screw sleeve 16, and the end portion of the bidirectional screw 8 is provided with the adjusting groove 81 for rotating the bidirectional screw 8, wherein the design of the through holes ensures that the limiting disc 7 does not affect the gas circulation when clamping the pipeline, maintains the drying efficiency, the adjusting groove 81 allows the screw to be rotated by a general tool (such as a hexagonal wrench), and the operation can be completed without special equipment, thereby improving the maintenance convenience.

[0032] Specifically, a plurality of sliding strips 9 are fixedly connected to the connecting cylinder 5, and a plurality of movable grooves 10 with sizes matched with the sliding strips 9 are formed in the inner wall surfaces of the upper mounting cylinder 3 and the lower mounting cylinder 4, in other words, the sliding cooperation between the sliding strips 9 and the movable grooves 10 limits the moving direction of the connecting cylinder 5, ensures that the upper and lower mounting cylinders 4 can only be axially extended and retracted, avoids the problem of sealing failure caused by deflection, and at the same time, the sliding structure provides stable guiding effect and reduces the risk of uneven force of the spring 6.

[0033] In addition, a plurality of sliding blocks 11 with T-shaped cross sections are fixedly connected to the limiting disc 7, and a plurality of sliding grooves 12 with sizes matched with the sliding blocks 11 are formed in the inner wall surfaces of the upper mounting cylinder 3 and the lower mounting cylinder 4, the cooperation between the T-shaped sliding blocks 11 and the sliding grooves 12 ensures that the limiting disc 7 is always vertically aligned with the mounting cylinder during movement, prevents gas leakage caused by deflection, and the T-shaped cross section of the sliding block 11 can bear bidirectional force, avoids the limiting disc 7 from being separated from the sliding groove 12 due to vibration or airflow impact, and further improves the structural reliability.

[0034] Further, the mounting block 13 is fixedly connected in the connecting cylinder 5, the T-shaped rotating ring 14 is fixedly connected to the middle part of the bidirectional screw rod 8, and the rotating ring 14 is rotatably connected to the mounting block 13, which provides a stable rotating fulcrum for the mounting block 13, avoids the bending of the screw rod due to uneven force, increases the contact area between the T-shaped rotating ring 14 and the mounting block 13, disperses the friction loss during rotation, facilitates the removal of the screw rod from the mounting block 13 during disassembly and maintenance, and simplifies the maintenance process.

[0035] Specifically, the limiting disc 7 is provided with a channel 17 for adjusting the bidirectional screw rod 8, the channel 17 allows tools to directly extend into the inside of the limiting disc 7 to operate the adjusting groove 81, the screw rod can be rotated without disassembling the limiting disc 7, further simplifying the maintenance steps, the channel 17 is designed to be in position with the adjusting groove 81 to ensure operation accuracy and avoid component damage caused by blind operation.

[0036] The low-dew-point dry air generator removes water in the wet air by the adsorbent in the adsorption chamber 2, and the dried air is output through the air outlet pipe 102 to meet the low-dew-point requirement; when the adsorbent needs to be replaced, the upper mounting cylinder 3 and the lower mounting cylinder 4 are extruded, and the entire adsorption chamber 2 can be taken out; when the mounting is performed, the adjusting groove 81 at the end of the bidirectional screw rod 8 is rotated, the screw sleeve 16 connected reversely at both ends is driven to move reversely synchronously, the distance between the two limiting discs 7 is the same as the distance between the air inlet pipe 101 and the air outlet pipe 102, and then the upper and lower mounting cylinders 4 are extruded. In addition, the upper and lower mounting cylinders 4 are elastically connected through the spring 6, can be axially stretched and contracted along the sliding strip 9 of the connecting cylinder 5 during the movement of the limiting disc 7, adaptively compensate the spacing deviation between the pipelines, ensure that the sealing surfaces are tightly fitted, the ball between the bidirectional screw rod 8 and the screw sleeve 16 reduces the friction loss, the elastic force of the spring 6 absorbs the vibration and thermal deformation impact, the cooperation between the T-shaped sliding block 11 and the sliding groove 12 maintains the alignment accuracy of the limiting disc 7, and finally the maintenance requirements of quick disassembly and assembly, reliable sealing and adaptation to different working conditions are realized.

[0037] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

Claims

1. A low dew point dry air generator comprising an air generator body (1), characterized in that: The air generator body (1) includes an air inlet pipe (101) and an air outlet pipe (102) for connecting the adsorbent, and an adsorption bin (2) in which the adsorbent can be placed is detachably connected between the air inlet pipe (101) and the air outlet pipe (102), the adsorption bin (2) includes an upper mounting cylinder (3) for connecting the air inlet pipe (101) and a lower mounting cylinder (4) for connecting the air outlet pipe (102), the upper mounting cylinder (3) and the lower mounting cylinder (4) are elastically connected by a spring (6), the bottom of the upper mounting cylinder (3) and the top of the lower mounting cylinder (4) are jointly and slidably connected with a connecting cylinder (5), the top of the upper mounting cylinder (3) and the bottom of the lower mounting cylinder (4) are both slidably connected with a limiting disc (7) for clamping the air inlet pipe (101) or the air outlet pipe (102), and a bidirectional screw (8) for driving the relative movement of the two limiting discs (7) is rotatably arranged in the connecting cylinder (5).

2. The low dew point dry air generator of claim 1, wherein: The threads of the two ends of the bidirectional screw (8) are oppositely arranged, a threaded sleeve (16) is threadedly connected to each end of the bidirectional screw (8), and balls are arranged between the bidirectional screw (8) and the threaded sleeves (16). The two threaded sleeves (16) are fixedly connected with the two limiting discs (7), respectively.

3. The low dew point dry air generator of claim 1, wherein: A plurality of through holes for gas passing through are formed in the limiting disc (7), and a hollow connecting rod (15) is fixedly connected to the limiting disc (7), the connecting rod (15) is fixedly connected with the threaded sleeve (16), and an adjusting groove (81) for rotating the bidirectional screw (8) is formed in the end of the bidirectional screw (8).

4. The low dew point dry air generator of claim 1, wherein: A plurality of sliding strips (9) are fixedly connected to the connecting cylinder (5), and a plurality of movable grooves (10) with sizes matched with the sliding strips (9) are formed in the inner walls of the upper mounting cylinder (3) and the lower mounting cylinder (4).

5. The low dew point dry air generator of claim 1, wherein: A plurality of sliding blocks (11) with T-shaped cross sections are fixedly connected to the limiting disc (7), and a plurality of sliding grooves (12) with sizes matched with the sliding blocks (11) are formed in the inner walls of the upper mounting cylinder (3) and the lower mounting cylinder (4).

6. The low dew point dry air generator of claim 1, wherein: An installation block (13) is fixedly connected in the connecting cylinder (5), a rotating ring (14) with a T-shaped cross section is fixedly connected to the middle part of the bidirectional screw (8), and the rotating ring (14) is rotatably connected to the installation block (13).

7. The low dew point dry air generator of claim 1, wherein: A passage (17) for adjusting the bidirectional screw (8) is formed in the limiting disc (7).

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