CN210584367U - Small flow air dryer - Google Patents
Small flow air dryer Download PDFInfo
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- CN210584367U CN210584367U CN201921001672.9U CN201921001672U CN210584367U CN 210584367 U CN210584367 U CN 210584367U CN 201921001672 U CN201921001672 U CN 201921001672U CN 210584367 U CN210584367 U CN 210584367U
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Abstract
The utility model belongs to the technical field of the track traffic, a little flow air dryer is disclosed, including the tower body that has left tower and right tower, locate the air outlet valve and the apron at tower body both ends respectively, be provided with adsorbent and main control tuber pipe in the tower body, the tip that the tower body is close to the apron is equipped with oil water separator, left side control tuber pipe and right side control tuber pipe, main control tuber pipe one end and air outlet valve switch-on, a solenoid valve is connected to the other end, the solenoid valve is installed on the gas circuit piece, left side control tuber pipe and right side control tuber pipe all are connected with the solenoid valve through the gas circuit piece, apron surface department installs the combination valve of having integrateed admission valve and discharge valve, admission valve and discharge valve are the linkage design, combination valve first end and left tower switch-on, another tip communicates with each other end. The combination valve has the functions of air inlet reversing and controlling the pollution discharge of the left and right tower bodies, so that the air dryer has the advantages of compact integral structure, high integration level and small volume, and can be matched with a compressor with smaller discharge capacity for use.
Description
Technical Field
The utility model relates to a rail transit technical field specifically, relates to a little flow air dryer that locomotive, motor car, city rail were used.
Background
The air dryer is used for filtering water, oil and other impurities contained in compressed air when the compressor blows air. At present, an air dryer used in an air source system of a rail transit locomotive is mainly matched with a compressor, and the air discharge capacity of the compressor directly influences the volume of the matched air dryer, the amount of an adsorbent and the like. The existing air dryer used by the locomotive has large volume, large air handling capacity and heavy weight, when the existing air dryer is matched with a compressor with small flow, the large volume of the air dryer can cause resource waste, if the rated air handling capacity is not matched with the flow of the compressor, the air regeneration air consumption rate is also large, the total wind full-blowing speed of the locomotive is influenced, and the heavy weight of an air source system can be caused by the large volume.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in overcoming prior art's defect, provide a compact structure, integrated level height, can with the supporting little flow air dryer who uses of the compressor of less discharge capacity.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a small flow air dryer, including the tower body that has left tower and right tower, locate the air outlet valve and the apron at tower body both ends respectively, be provided with adsorbent and main control tuber pipe in the tower body, the end that the tower body is close to the apron is equipped with oil water separator, left side control tuber pipe and right control tuber pipe, main control tuber pipe one end is put through with the air outlet valve, an solenoid valve is connected to the other end, the solenoid valve is installed on the air circuit piece, left side control tuber pipe and right control tuber pipe all are connected with the solenoid valve through the air circuit piece, apron surface department installs the combination valve that has integrateed admission valve and discharge valve, admission valve and discharge valve are the linkage design, combination valve first end and left tower switch-on, another tip communicates with each other with the right tower, it is equipped with the hot plate to press from.
Further, the air outlet valve is a check valve.
Furthermore, a filter screen plate is arranged at the mounting end of the air outlet valve of the tower body and used for covering the adsorbent.
Furthermore, a compression spring is arranged between the filter screen plate and the air outlet valve.
Furthermore, a temperature control switch is arranged in the electric controller and is electrically connected with the heating plate.
Furthermore, the heating plate is a plate-type heating element made of a novel semiconductor PTC material.
Further, a silencer is mounted on the outer surface of the combination valve.
Further, the periphery of the tower body is provided with an electromagnetic valve protection cover at the position of the electromagnetic valve.
Furthermore, the air outlet valve body, the tower body, the air path block, the cover plate and the combined valve body are all made of aluminum alloy materials.
Furthermore, the main control air pipe, the left control air pipe and the right control air pipe are all made of stainless steel materials.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the air inlet valve and the exhaust valve are integrated into the combined valve, so that the combined valve has the functions of air inlet reversing and controlling the pollution discharge of the left tower body and the right tower body, the air dryer has a compact integral structure, high integration level and small volume, and can be matched with a compressor with smaller discharge capacity for use;
2) in material selection, the air outlet valve body, the tower body, the air path block, the cover plate, the combined valve body and the like are made of aluminum alloy materials, and the air dryer is light in overall weight; the main control air pipe, the left control air pipe and the right control air pipe are all made of stainless steel materials, so that the strength is guaranteed, and the working reliability of the air dryer can be ensured;
3) the air outlet valve adopts a check valve, has a one-way check function, and can prevent compressed air in the air cylinder from flowing back to the air dryer to cause large air exhaust of the air dryer.
Drawings
FIG. 1 is an exploded view of a low flow air dryer as described in example 1;
fig. 2 is a schematic view of the internal structure of the combination valve according to embodiment 1.
Detailed Description
The invention will be further described with reference to specific embodiments, wherein the drawings are designed solely for the purpose of illustration and not as a definition of the limits of the patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, a small flow air dryer is provided, which comprises a tower body 1 having a left tower and a right tower, an air outlet valve 2 and a cover plate 3 respectively disposed at two ends of the tower body, an adsorbent and a main control air pipe 41 disposed in the tower body 1, an oil-water separator 44, a left control air pipe 42 and a right control air pipe 43 disposed at an end of the tower body close to the cover plate, the oil-water separator 44 mounted at the bottom of the tower body 1 of the air dryer and mainly used for filtering liquid water, oil and dust in compressed air, and gaseous water mainly passing through the adsorbent (molecular sieve filtration), wherein one end of the main control air pipe 41 is connected to the air outlet valve 2, and the other end is connected to an air path block 52, two electromagnetic valves are mounted on the air path block and respectively include a left electromagnetic valve 511 and a right electromagnetic valve 512, the left control air pipe 42 and the right control air pipe 43 are respectively connected to, the air path block 52 is internally provided with an air path structure for connecting a main control air pipe, a left control air pipe and a right control air pipe, the air path block 52 is arranged on the cover plate 3, the outer surface of the cover plate 3 is provided with a combined valve 6 integrated with an air inlet valve 61 and an air outlet valve 62, the air inlet valve and the air outlet valve are in linkage design, a first end part (namely, the left end) of the combined valve is communicated with the left tower, the other end part (namely, the right end) of the combined valve is communicated with the right tower, the linkage design is that the first end parts of the air inlet valve and the air outlet valve and the second end part of the combined valve are communicated through a flow channel 63, a heating plate 7 is clamped between the cover plate 3 and the combined valve.
The small flow air dryer of this embodiment's design purpose is used for using with the compressor of less discharge capacity is supporting, specifically, through concentrating on the tower body is inside and bottom with oil water separator, main control tuber pipe, left control tuber pipe and right control tuber pipe, simultaneously with admission valve and discharge valve both integrated to a combination valve in, as shown in fig. 2, its one side is the admission valve, one side is discharge valve, this has just given the combination valve to have the function of the switching-over of admitting air and control left and right tower body blowdown for air dryer overall structure is compact, the integrated level is high, small, can use with the compressor of less discharge capacity is supporting.
When the air dryer is regenerated, the control air flows from the air outlet valve 2 to the air path block 52 through the main control air pipe 41 and then flows through the left control air pipe (or the right control air pipe) to the left end (or the right end) of the combination valve 6 (here, the left end of the combination valve is close to the end of the left control air pipe, and the right end of the combination valve is close to the end of the right control air pipe), and the process is controlled by the left electromagnetic valve 511 or the right electromagnetic valve 512. When the air dryer is in the regeneration of the left tower and the adsorption of the right tower, the left electromagnetic valve 511 is powered on and opened, and the control air flows to the left control air pipe through the main control air pipe. On the contrary, when the air dryer is in the left tower adsorption state and the right tower regeneration state, the right electromagnetic valve 512 is powered on and opened, and the control air flows to the right from the main control air pipe.
More specifically, as shown in fig. 2, when the air dryer is in the left tower regeneration state and the right tower adsorbs, the left electromagnetic valve 511 is powered on and opened, control air flows from the main control air pipe to the left control air pipe, then enters the combination valve from the left end of the exhaust valve 62, and then enters the left end of the air inlet valve through the end flow passage 63, at this time, the valve core of the air inlet valve 61 moves to the right, the left side is closed, the right side is opened, the right side of the air inlet valve admits air, and the right tower adsorbs the air dryer; at this time, compressed air entering the left end valve cavity of the exhaust valve can compress a spring in the valve core of the exhaust valve, the valve core of the exhaust valve at the left end is opened, the valve core of the exhaust valve at the right end is closed, and the dryer is subjected to regeneration and pollution discharge at the left tower, wherein the state is shown in figure 2. When the air dryer is in the left column adsorption and the right column regeneration, the situation is reversed from that of fig. 2.
The solenoid valve 51 is accurate part, and in order to avoid taking place the mistake and touch, the tower body periphery still installs solenoid valve safety cover 53 in solenoid valve position department to ensure that the solenoid valve is only by the electric controller control work.
In order to avoid the large air exhaust risk of the air dryer, the check valve is selected as the air outlet valve 2 in the embodiment, the air dryer has periodic conversion of left and right tower adsorption and regeneration during working, a small amount of regenerated air is exhausted during regeneration, a large amount of air can be exhausted from a drain outlet of the dryer when the air dryer breaks down, the pressure rising speed of a locomotive main air cylinder is directly influenced, the air cylinder is not allowed, and the air cylinder can be effectively prevented from flowing back to the air dryer in the compressed air direction by utilizing the one-way check function of the check valve.
The adsorbent is filled in the left tower and the right tower, the filling particle size is phi 2-phi 3mm, the tower body is provided with a filter screen plate 45 at the installation end of the air outlet valve for covering the adsorbent, and a compression spring 46 is further arranged between the filter screen plate and the air outlet valve, so that adsorbent particles are compacted in the tower body, the gap is small, when compressed air passes through, the particles are prevented from jumping or moving relative to each other to cause abrasion of the molecular sieve (namely the adsorbent) to generate dust, the service life of the molecular sieve is prolonged, and the air quality grade of an air outlet of the air dryer is improved.
The plate-type heating element of hot plate 7 for adopting the preparation of novel semiconductor PTC material, this heating element directly links to each other with the power, be equipped with temperature detect switch in the automatically controlled ware 8, temperature detect switch is connected with the hot plate electricity, the operating condition of hot plate is controlled by temperature detect switch, the hot plate is opened the heating when ambient temperature is less than 5(± 3) degree C, in addition, the hot plate has self-protection function, be in operating condition continuous heating to reaching the time of the highest temperature 45 ℃ always when the hot plate, the hot plate can automatic maintenance constant power work, can not make the temperature continue to rise.
Since the exhaust valve directly exhausts the air to the outside, a loud noise is generated, and a silencer 9 is arranged on the outer surface of the combination valve in the embodiment to eliminate the noise to the maximum extent.
The air outlet valve body, the tower body, the air path block, the cover plate, the combined valve body, the silencer and the electromagnetic valve protective cover are all made of aluminum alloy materials, and the whole weight of the air dryer can be obviously reduced.
The main control air pipe, the left control air pipe and the right control air pipe are all made of stainless steel materials, the strength is high, and the working reliability of the air dryer can be guaranteed.
The cover plate, the tower body and the gas outlet valve are connected through 8M 10 stainless steel hexagon socket head cap bolts and locked through an I-shaped nonmetal locking nut M10.
The combination valve is connected with the cover plate through an inner hexagonal socket head bolt M6 multiplied by 60.
The electromagnetic valve 51 and the heating plate 7 are respectively connected to the electric controller 8 through a corrugated hose 54.
The trend of air when air dryer during operation does: a cover plate air inlet, a combined valve air inlet valve, the interior of the tower body and an air outlet valve air outlet; the inside trend of tower body does: oil-water separator-adsorbent (molecular sieve) -screen plate.
The air dryer of the embodiment has the advantages of compact structure, small volume, light weight and suitability for air handling capacity of 0.3m3/min-0.5m3Permin (the treatment capacity of an air dryer of a common locomotive is 3m3/min-5m3Permin, the subway is generally 1.4m3Min), is suitable for the wind source system with smaller flow requirement for locomotives, motor trains and urban rails, and has the advantages of simple processing, convenient assembly and long service life.
It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a small flow air dryer, a serial communication port, including the tower body that has left tower and right tower, locate the air outlet valve and the apron at tower body both ends respectively, be provided with adsorbent and main control tuber pipe in the tower body, the end that the tower body is close to the apron is equipped with oil water separator, left control tuber pipe and right control tuber pipe, main control tuber pipe one end and air outlet valve switch-on, an solenoid valve is connected to the other end, the solenoid valve is installed on the air circuit piece, left control tuber pipe and right control tuber pipe all are connected with the solenoid valve through the air circuit piece, apron surface department installs the combination valve of having integrateed admission valve and discharge valve, admission valve and discharge valve are the linkage design, combination valve first end and left tower switch-on, another tip communicates with each other with the right tower, press from both sides between apron and the combination valve and be.
2. The small-flow air dryer as claimed in claim 1, wherein the air outlet valve is a check valve.
3. The small-flow air dryer as claimed in claim 1, wherein the tower body is provided with a screen plate at the outlet valve mounting end for covering the adsorbent.
4. The small flow air dryer as claimed in claim 3, wherein a compression spring is provided between the screen plate and the air outlet valve.
5. The small-flow air dryer as claimed in claim 1, wherein a temperature control switch is provided in the electric controller, and the temperature control switch is electrically connected to the heating plate.
6. The small-flow air dryer as claimed in claim 5, wherein the heating plate is a plate-type heating element made of a novel semiconductor PTC material.
7. The small-flow air dryer as claimed in claim 1, wherein the combination valve is externally fitted with a muffler.
8. The low flow air dryer as claimed in claim 1, wherein a solenoid valve protecting cover is further installed at the position of the solenoid valve at the outer circumference of the tower body.
9. The small-flow air dryer as claimed in claim 1, wherein the air outlet valve body, the tower body, the air passage block, the cover plate and the combination valve body are made of aluminum alloy.
10. The small-flow air dryer as claimed in claim 1, wherein the main control air duct, the left control air duct and the right control air duct are made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001672.9U CN210584367U (en) | 2019-06-28 | 2019-06-28 | Small flow air dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001672.9U CN210584367U (en) | 2019-06-28 | 2019-06-28 | Small flow air dryer |
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| Publication Number | Publication Date |
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| CN210584367U true CN210584367U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921001672.9U Active CN210584367U (en) | 2019-06-28 | 2019-06-28 | Small flow air dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159928A (en) * | 2021-12-17 | 2022-03-11 | 湖南卓誉科技有限公司 | Integrated air inlet and outlet valve and pressure swing adsorption gas path system |
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2019
- 2019-06-28 CN CN201921001672.9U patent/CN210584367U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159928A (en) * | 2021-12-17 | 2022-03-11 | 湖南卓誉科技有限公司 | Integrated air inlet and outlet valve and pressure swing adsorption gas path system |
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