Combined low-dew-point compressed air dryer

Abstract

The utility model discloses a combined type low-dew-point compressed air drying machine which comprises a drying machine body, and the side face of the drying machine body is fixedly connected with an air exchange channel. According to the combined type low-dew-point compressed air drying machine, the drying machine body, the air exchange channel, the air inlet, the filtering installation frame and the filter screen installation frame are matched with one another, external air is sucked into the drying machine body through the draught fan, cooling is conducted through the semiconductor chilling plate, and therefore the drying efficiency is improved. When dust on the surface of the dustproof net is accumulated too much to block the dustproof net, a conversion motor drives a conversion gear to move so as to drive the dustproof net with too much accumulated dust to enter a space corresponding to a filtering mounting frame and a cleaning brush, and a lifting push rod drives the cleaning brush to descend to clean the dust on the surface of the dustproof net with a large amount of accumulated dust. And dust falls into the dust collecting bin on the lower portion to be collected in a centralized mode, cleaning of the dustproof net can be completed under the condition that the machine is not stopped, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to combined air dryer technical field, specifically, relate to a combined low dew point compressed air dryer. BACKGROUND

[0002] The compressed air dryer commonly used mainly has two types of refrigeration type compressed air dryer and adsorption dryer, wherein the cold dryer has the advantages of no gas loss and low energy consumption, but has the limitation of dew point temperature, and the adsorption dryer has the advantage of low dew point, but has the disadvantages of large regeneration gas loss and high energy consumption, the low dew point combined compressed air dryer is the respective advantages of the cold dryer and the adsorption dryer, through reasonable pipeline connection and capacity matching, the advantages of the two are maximized, so as to reach the best economic operation point and high-quality low dew point finished gas, at present, the combined low dew point compressed air dryer in the use process, because the internal parts will produce more heat when running, in order to avoid the damage of internal parts, therefore, the inside needs to be ventilated and cooled, but the combined low dew point compressed air dryer of the prior art carries out heat dissipation, generally, the heat dissipation holes are equidistantly arranged on the shell of the equipment main body to dissipate heat, the heat dissipation holes are easily blocked by dust, or enter the equipment main body, the heat dissipation efficiency is low by using this mode, the heat in the equipment can not be quickly discharged, thereby affecting the service life of the air dryer, therefore, we provide a combined low dew point compressed air dryer to solve the above problems. SUMMARY

[0003] In view of the problems in the prior art, the utility model provides a combined low dew point compressed air dryer.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A combined low dew point compressed air dryer, comprising: a dryer body, the side surface of the dryer body is fixedly connected with an air exchange channel;

[0006] An air inlet is arranged on the side surface of the air exchange channel;

[0007] A filter mounting frame is fixedly connected to the right side of the air exchange channel;

[0008] A filter screen mounting frame is movably arranged in the filter mounting frame;

[0009] A dustproof screen is arranged in the filter screen mounting frame, and the dustproof screen is clamped in the clamping groove of the filter screen mounting frame;

[0010] A side baffle is arranged on the side surface of the filter screen mounting frame;

[0011] A guide groove is formed on the surface of the filter screen mounting frame;

[0012] A conversion rack is fixedly connected to the bottom of the filter screen mounting frame.

[0013] The combination low-dew-point compressed air dryer has a gas resistance plate fixedly installed inside the gas exchange channel, which is used to prolong the survival time of the gas in the gas exchange channel.

[0014] A semiconductor refrigeration sheet is installed on the inner wall of the gas exchange channel, which is used to cool the gas in the gas exchange channel.

[0015] A drying box is installed on the top of the gas resistance plate.

[0016] A fan is installed on the side of the gas exchange channel.

[0017] The combination low-dew-point compressed air dryer has a baffle fixedly connected to the inner wall of the filter mounting frame, which is used to isolate the space in the filter mounting frame.

[0018] A guide rail is fixedly connected to the inner wall of the filter mounting frame.

[0019] The combination low-dew-point compressed air dryer has a motor support fixedly connected to the side of the gas exchange channel.

[0020] A conversion motor is fixedly connected to the motor support.

[0021] A conversion gear is fixedly connected to the output shaft of the conversion motor, and the conversion gear is engaged with the conversion rack.

[0022] The combination low-dew-point compressed air dryer has a dust collection bin installed on the bottom of the filter mounting frame, which is used to collect the cleaned dust.

[0023] A fixed block is fixedly connected to the side of the filter mounting frame.

[0024] A lifting push rod is fixedly connected to the top of the fixed block.

[0025] A top plate is fixedly connected to the top of the lifting push rod.

[0026] A connecting rod is fixedly connected to the bottom of the top plate.

[0027] A cleaning brush is fixedly connected to the connecting rod and can be lifted in the filter mounting frame, which is used to clean the dust on the surface of the dustproof screen.

[0028] The combination low-dew-point compressed air drier has a maintenance door mounted on the surface of the drying box and used for replacing the dustproof screen and the drying agent in the drying box.

[0029] Compared with the prior art, the combination low-dew-point compressed air drier has the following beneficial effects:

[0030] 1、The combination low-dew-point compressed air drier is realized by the cooperation of the drying machine body, the air exchange channel, the air inlet, the filter mounting frame and the filter screen mounting frame, external air is sucked into the drying machine body by the fan, is cooled by the semiconductor refrigerating fin, and when dust on the surface of the dustproof screen is accumulated too much to block the dustproof screen, the conversion motor drives the conversion gear to move, thereby driving the dustproof screen with too much dust to move into the space corresponding to the cleaning brush in the filter mounting frame, at this time, the clean dustproof screen is aligned with the air inlet, the cleaning brush is lowered by the lifting push rod, dust on the surface of the dustproof screen with a large amount of dust is cleaned, the dust falls into the lower dust collecting bin for centralized collection, and the cleaning of the dustproof screen can be completed without shutdown, and the working efficiency is improved.

[0031] 2、The air resistance plate prolongs the residence time of the gas in the air exchange channel and enhances the cooling effect of the gas cooling.

[0032] 3、The maintenance door is arranged, the dustproof screen can be quickly replaced when the dustproof screen is damaged or the drying agent in the drying box is invalid.

[0033] 4、The drying box is arranged, absorbs the moisture in the cooled gas, and keeps the cooled gas dry when entering the drying machine body, and the drying effect of the drying machine body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a structure schematic view of the front view of the utility model;

[0035] Figure 2 It is a structure sectional view of the right view of the utility model;

[0036] Figure 3 It is a structure schematic view of the filter mounting frame, the baffle and the guide rail of the utility model;

[0037] Figure 4 It is a structure sectional view of the air exchange channel of the utility model;

[0038] Figure 5 It is a structure schematic view of the filter screen mounting frame and the guide groove of the utility model.

[0039] In the drawing:

[0040] 1 dryer body, 2 air exchange channel, 3 air inlet, 4 filter mounting rack, 5 filter screen mounting rack, 6 air resistance plate, 7 semiconductor refrigeration piece, 8 drying box, 9 fan, 10 baffle, 11 guide rail, 12 dust screen, 13 side baffle, 14 guide groove, 15 conversion rack, 16 motor support, 17 conversion motor, 18 conversion gear, 19 dust collection bin, 20 fixing block, 21 lifting push rod, 22 top plate, 23 connecting rod, 24 cleaning brush, 25 access door. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0042] As Figures 1-5 shown, the utility model proposes an embodiment, a combined low dew point compressed air dryer, include: dryer body 1, the side surface fixed connection of dryer body 1 has air exchange channel 2, the inside fixed mounting of air exchange channel 2 has air resistance plate 6, for prolonging the survival time of gas in air exchange channel 2, enhanced the cooling effect of gas cooling.

[0043] Semiconductor refrigeration piece 7, semiconductor refrigeration piece 7 is installed in the inner wall of air exchange channel 2, for cooling the gas in air exchange channel 2.

[0044] Drying box 8, drying box 8 is installed at the top of air resistance plate 6, and drying agent is put in the inside of drying box 8. The moisture in the cooled gas is absorbed, so that the cooled gas remains dry when entering the dryer body 1, ensuring the drying effect of the dryer body 1.

[0045] Fan 9, fan 9 is installed on the side of air exchange channel 2.

[0046] Air inlet 3, air inlet 3 is provided on the side of air exchange channel 2, for external air to enter air exchange channel 2 for heat exchange. The fan 9 sucks the external air into the dryer body 1 and cools it by the semiconductor refrigeration piece 7.

[0047] In this embodiment, it also includes: filter mounting rack 4, filter mounting rack 4 is fixedly connected to the right side of air exchange channel 2, and the inner wall of filter mounting rack 4 is fixedly connected with baffle 10, for isolating the space in filter mounting rack 4.

[0048] The guide rail 11 is fixedly connected to the inner wall of the filter mounting frame 4. When the dust on the surface of the dust screen 12 is too much to block the dust screen 12, the conversion gear 18 is driven to move by the conversion motor 17, so that the dust screen 12 with too much dust is moved into the space corresponding to the cleaning brush 24 in the filter mounting frame 4. At this time, the clean dust screen 12 is aligned with the air inlet 3.

[0049] In this embodiment, the filter screen mounting frame 5 is movably arranged in the filter mounting frame 4, and the dust screen 12 is arranged in the filter screen mounting frame 5 and clamped in the clamping groove of the filter screen mounting frame 5.

[0050] The side baffle 13 is arranged on the side of the filter screen mounting frame 5.

[0051] The guide groove 14 is arranged on the surface of the filter screen mounting frame 5.

[0052] The conversion rack 15 is fixedly connected to the bottom of the filter screen mounting frame 5.

[0053] The motor support 16 is fixedly connected to the side of the airway 2.

[0054] The conversion motor 17 is fixedly connected to the motor support 16.

[0055] The conversion gear 18 is fixedly connected to the output shaft of the conversion motor 17 and engaged with the conversion rack 15.

[0056] In this embodiment, the dust collecting bin 19 is arranged at the bottom of the filter mounting frame 4, for collecting the cleaned dust.

[0057] The fixed block 20 is fixedly connected to the side of the filter mounting frame 4.

[0058] The lifting push rod 21 is fixedly connected to the top of the fixed block 20.

[0059] The top plate 22 is fixedly connected to the top of the lifting push rod 21.

[0060] The connecting rod 23 is fixedly connected to the bottom of the top plate 22.

[0061] The cleaning brush 24 is arranged in the filter mounting frame 4 and fixedly connected to the connecting rod 23, for cleaning the dust on the surface of the dust screen 12. The dust on the surface of the dust screen 12 with too much dust is cleaned by the cleaning brush 24 driven by the lifting push rod 21, so that the dust falls into the dust collecting bin 19 below for centralized collection. The cleaning of the dust screen 12 can be completed without stopping the machine, which improves the work efficiency.

[0062] In the embodiment, the filter mounting frame 4 and the surface of the drying box 8 are provided with an access door 25, so that when the dust screen 12 is damaged or the drying agent in the drying box 8 is invalid, the dust screen 12 and the drying agent can be quickly replaced.

[0063] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0064] The combined low-dew-point compressed air drying machine provided by the utility model, when in use, the fan 9 sucks external air into the air exchange channel 2 through the dust screen 12, the air resistance plate 6 slows down the flow rate of the air, the semiconductor refrigeration sheet 7 cools the air, the cooled air is dried by the drying box 8, when the dust screen 12 is blocked due to excessive dust accumulation on the surface of the dust screen 12, the conversion motor 17 drives the conversion gear 18 to move, thereby driving the dust screen 12 with excessive dust accumulation into the space corresponding to the filter mounting frame 4 and the cleaning brush 24, the lifting push rod 21 drives the cleaning brush 24 to descend, the dust on the surface of the dust screen 12 with a large amount of dust accumulation is cleaned, the dust falls into the dust collecting bin 19 below for centralized collection, and the cleaning of the dust screen 12 can be completed without stopping the machine.

[0065] In summary: the combined low-dew-point compressed air drying machine, through the cooperation between the drying machine body 1, the air exchange channel 2, the air inlet 3, the filter mounting frame 4 and the filter screen mounting frame 5, solves the problems mentioned in the background art.

[0066] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A combined low dew point compressed air dryer, comprising: Drying machine body (1), characterized in that: the side of the drying machine body (1) is fixedly connected with the air exchange channel (2); The air inlet (3) is arranged on the side of the air exchange channel (2); The filter mounting frame (4) is fixedly connected to the right side of the air exchange channel (2); The filter screen mounting frame (5) is movable in the filter mounting frame (4); The inside of the filter screen mounting frame (5) is provided with a dust screen (12); The side of the filter screen mounting frame (5) is provided with a side baffle (13); The guide groove (14) is arranged on the surface of the filter screen mounting frame (5); The conversion rack (15) is fixedly connected to the bottom of the filter screen mounting frame (5).

2. A combined low dew point compressed air dryer according to claim 1, characterized in that: The inside of the air exchange channel (2) is fixedly provided with a gas blocking plate (6); The semiconductor refrigerating sheet (7) is installed on the inner wall of the air exchange channel (2); The drying box (8) is installed on the top of the gas blocking plate (6); The fan (9) is installed on the side of the air exchange channel (2).

3. A combined low dew point compressed air dryer according to claim 2, characterized in that: The inner wall of the filter mounting frame (4) is fixedly connected with a baffle (10); The guide rail (11) is fixedly connected to the inner wall of the filter mounting frame (4).

4. A combined low dew point compressed air dryer according to claim 3, characterized in that: The side of the air exchange channel (2) is fixedly connected with a motor support (16); The conversion motor (17) is fixedly connected with the motor support (16); The conversion gear (18) is fixedly connected with the output shaft of the conversion motor (17), and the conversion gear (18) is engaged with the conversion rack (15).

5. A combined low dew point compressed air dryer according to claim 4, characterized in that: The bottom of the filter mounting frame (4) is provided with a dust collecting bin (19); The fixed block (20) is fixedly connected to the side of the filter mounting frame (4); The lifting push rod (21) is fixedly connected to the top of the fixed block (20); The top plate (22) is fixedly connected to the top of the lifting push rod (21); The connecting rod (23) is fixedly connected to the bottom of the top plate (22); The cleaning brush (24) can be lifted and lowered in the filter mounting frame (4) and is fixedly connected with the connecting rod (23).

6. A combined low dew point compressed air dryer according to claim 5, characterized in that: The surface of the filter mounting frame (4) and the drying box (8) is provided with an access door (25).

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