CN210674725U - Air dryer for locomotive - Google Patents
Air dryer for locomotive Download PDFInfo
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- CN210674725U CN210674725U CN201920672813.3U CN201920672813U CN210674725U CN 210674725 U CN210674725 U CN 210674725U CN 201920672813 U CN201920672813 U CN 201920672813U CN 210674725 U CN210674725 U CN 210674725U
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Abstract
The utility model provides an air dryer for locomotive, including casing, filter core section of thick bamboo subassembly, drying tower A subassembly, drying tower B subassembly, regeneration section of thick bamboo, entry and export, filter core section of thick bamboo subassembly, drying tower A subassembly and drying tower B subassembly set up in the casing, regeneration section of thick bamboo, entry and export setting are outside the casing, be equipped with three cavity in the casing: the filter chamber, the drying chamber A and the drying chamber B are respectively and correspondingly provided with a filter element cylinder assembly, a drying tower A assembly and a drying tower B assembly, the inlet is communicated with the filter chamber, the regeneration cylinder is arranged on the outer side of the shell and communicated with the drying chamber A and the drying chamber B, and the outlet is communicated with the regeneration cylinder. The utility model discloses a set up the cartridge filter, filter the air through cartridge filter inner filter core, impurity in the one-step reduction air earlier avoids impurity to damage air unit and the air pipe system in locomotive air dryer low reaches.
Description
Technical Field
The utility model relates to an air dryer technical field especially relates to air dryer technical field for locomotive.
Background
At present, automobiles are used more and more frequently in daily life, air such as an engine is needed for a plurality of parts of a locomotive, so that the air drying treatment is particularly important, and the air dryer is mainly used for removing moisture, oil and granular impurities in compressed air output by an air compressor, so that freezing, rusting, blockage and the like of air parts and air pipe systems of the locomotive at the downstream of the air dryer are avoided.
For example, chinese patent "CN 109173620A" discloses a compressed air dryer capable of reducing energy consumption, which includes a double-tower type adsorption dryer, and is characterized in that: the air inlet end of the drying and regenerating consumed gas recycling pipeline is connected with an exhaust valve of a regenerating drying tower of the regenerating drying tower, the exhaust end of the drying and regenerating consumed gas recycling pipeline is connected with an air inlet pipeline of the adsorption drying tower, a dryer cooler is installed in the drying and regenerating consumed gas recycling pipeline, an ejector is installed at the joint of the drying and regenerating consumed gas recycling pipeline and the air inlet pipeline of the adsorption drying tower, the air inlet end of the regenerating drying tower preheating pipeline is connected with a high-temperature air pipeline in front of a final cooler of an air compressor of the compressed air dryer, and the exhaust end of the regenerating drying tower preheating pipeline is connected with the air inlet end of an electric heater. The technical scheme has the following defects: absent pretreatment of the air, impurities in the air can affect subsequent equipment operations.
Disclosure of Invention
In order to overcome the lack that exists among the prior art and carry out the preliminary treatment to the air, impurity in the air can influence the problem of follow-up equipment work, the utility model provides an air dryer for locomotive.
The utility model discloses a following technical scheme realizes above-mentioned purpose: an air dryer for a locomotive, characterized in that: including casing, filter core section of thick bamboo subassembly, drying tower A subassembly, drying tower B subassembly, regeneration section of thick bamboo, entry and export, filter core section of thick bamboo subassembly, drying tower A subassembly and drying tower B subassembly set up in the casing, regeneration section of thick bamboo, entry and export setting are outside the casing, be equipped with three cavity in the casing: the filter chamber, the drying chamber A and the drying chamber B are respectively and correspondingly provided with a filter element cylinder assembly, a drying tower A assembly and a drying tower B assembly, the inlet is communicated with the filter chamber, the regeneration cylinder is fixedly connected with the shell and communicated with the drying chamber A and the drying chamber B, and the outlet is communicated with the drying chamber A and the drying chamber B.
On the basis, the drying device further comprises an air inlet reversing valve and an air outlet reversing valve, wherein the air inlet reversing valve is a three-way valve, the inlet end of the air inlet reversing valve is communicated with the filtering chamber, the outlet end of the air inlet reversing valve is communicated with the drying chamber A and the drying chamber B respectively, the air outlet reversing valve is a three-way valve, the inlet end of the air outlet reversing valve is communicated with the drying chamber A and the drying chamber B respectively, and the outlet.
On this basis, still include drain valve and discharge valve, the drain valve communicates with the filter chamber, discharge valve communicates with drying chamber A and drying chamber B.
On the basis, the automatic regeneration control device further comprises an automatic regulation regeneration valve and a regeneration reversing valve, wherein the automatic regulation regeneration valve is arranged between the regeneration cylinder and the outlet, the inlet end of the regeneration reversing valve is communicated with the regeneration cylinder, and the outlet end of the regeneration reversing valve is communicated with the drying chamber A and the drying chamber B.
On the basis, the air filter further comprises an electric heating plate, wherein the electric heating plate is arranged outside a pipeline between the filter chamber and the air inlet reversing valve and is used for preheating filtered air.
On the basis, a plurality of cylinders are arranged in the drying tower component A and the drying tower component B, the cylinders are of a net structure, and drying agents are filled in the cylinders.
On this basis, the casing is the syllogic structure, and top-down is upper cover, middle barrel and lower cover in proper order, lower cover and upper cover all with middle barrel fixed connection.
On this basis, the upper cover is fixedly provided with a plurality of top covers, the quantity of top covers is consistent with the barrel quantity, and each top cover is correspondingly located above each barrel, be equipped with top cover discharge valve and check valve on the top cover.
On this basis, still include control assembly and monitoring subassembly, control assembly and the fixed setting of monitoring subassembly are on barrel outer wall in the middle of, control assembly includes automatically controlled ware casing and sets up the control scheme board in automatically controlled ware casing, realize sealing connection through the sealing strip between automatically controlled ware casing and the middle barrel, detection module includes observation window and humidity display.
On this basis, filter element section of thick bamboo subassembly includes the support and locates the filter core in the support, the support is with detachable fixed connection of lower cover.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model, through the arrangement of the filter cartridge, filters the air through the filter cartridge in the filter cartridge, reduces the impurities in the air in one step, and avoids the impurities from damaging the air components and the air pipe system at the downstream of the air dryer of the locomotive;
the utility model has the advantages that the drying chamber A and the drying chamber B are arranged, the drying tower component A and the drying tower component B are respectively arranged in the drying chamber A and the drying chamber B, the pressure swing adsorption principle of air is utilized, so that the drying tower component A and the drying tower component B circularly work, when one tower carries out adsorption work, the other tower carries out regeneration work, and the effect of circular drying is achieved;
the utility model has the advantages that the drying effect of the air dryer for the locomotive is further improved by arranging the electric heating plate to preheat the filtered air;
the utility model is convenient for the operation control and the working state monitoring of the air dryer for the locomotive by arranging the control component and the monitoring component on the outer wall of the middle cylinder;
the utility model discloses a set up top cap discharge valve and check valve at the upper cover, can be used for discharge gas when pressure is too big on the one hand, thereby on the other hand has avoided outside air admission drying chamber A and drying chamber B to pollute regeneration gas.
Drawings
FIG. 1 is a schematic structural view of the filter element cartridge of the present invention when it is drawn out;
fig. 2 is a schematic structural view of the present invention viewed from the bottom;
fig. 3 is a schematic structural view from above of the present invention;
FIG. 4 is a schematic view of the internal cross-section of the present invention;
in the figure: 1. the device comprises a lower cover, 2, a control assembly, 3, a filter element cylinder assembly, 4, a drying tower A assembly, 5, a drying tower B assembly, 6, an air inlet reversing valve, 7, an air outlet reversing valve, 8, a regeneration cylinder, 9, an automatic adjusting regeneration valve, 10, an inlet, 11, an outlet, 12, a drain valve, 13, an exhaust valve, 14, a top cover exhaust valve, 15, a top cover, 16, a monitoring assembly, 17, an upper cover, 18, an electric heating plate, 19 and a drying agent.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-4, the present invention schematically illustrates an air dryer for a locomotive.
As shown in fig. 1 and 2, the utility model discloses an air dryer for locomotive, including casing, filter element section of thick bamboo subassembly 3, drying tower A subassembly 4, drying tower B subassembly 5, regeneration section of thick bamboo 8, entry 10 and export 11, be equipped with three cavity in the casing: the filter chamber, the drying chamber A and the drying chamber B are respectively and correspondingly provided with a filter element cylinder assembly 3, a drying tower A assembly 4 and a drying tower B assembly 5, the inlet 10 is communicated with the filter chamber, the filter element cylinder assembly 3 is arranged in the filter chamber, air is preferentially filtered, impurities are removed, the work of subsequent air components and air pipelines is effectively protected, meanwhile, the drying chamber A and the drying chamber B are prevented from being blocked by the impurities, the regeneration cylinder 8 is fixedly connected with the shell and is communicated with the drying chamber A and the drying chamber B, and the outlet 11 is communicated with the drying chamber A and the drying chamber B.
As a preferred embodiment of the present invention, as shown in fig. 1, the drying device further comprises an air inlet reversing valve 6 and an air outlet reversing valve 7, wherein the air inlet reversing valve 6 is a three-way valve, the inlet end communicates with the filtering chamber, the outlet end communicates with the drying chamber a and the drying chamber B, the air outlet reversing valve 7 is a three-way valve, the inlet end communicates with the drying chamber a and the drying chamber B, and the outlet end communicates with the outlet 11. Further, the air dryer further comprises an electric heating plate 18, wherein the electric heating plate 18 is arranged on the outer side of the pipeline between the filter chamber and the air inlet reversing valve 6 and used for preheating filtered air, and the drying effect of the air dryer for the locomotive is further improved.
As a preferred embodiment of the present invention, as shown in fig. 1, the present invention further comprises an automatic adjusting regeneration valve 9 and a regeneration reversing valve, wherein the automatic adjusting regeneration valve 9 is disposed between the regeneration cylinder 8 and the outlet 11, so as to adjust the flow of the regeneration gas entering the regeneration cylinder 8, the inlet end of the regeneration reversing valve is communicated with the regeneration cylinder 8, and the outlet end is communicated with the drying chamber a and the drying chamber B.
As a preferred embodiment of the present invention, as shown in fig. 2, the drying device further comprises a drain valve 12 and an exhaust valve 13, wherein the drain valve 12 is communicated with the filtering chamber, and the exhaust valve 13 is communicated with the drying chamber a and the drying chamber B.
As a preferred embodiment of the present invention, as shown in fig. 1-3, the housing has a three-section structure, and sequentially comprises an upper cover 17, a middle cylinder and a lower cover 1 from top to bottom, the lower cover 1 and the upper cover 17 are both fixedly connected to the middle cylinder, and the outer wall of the middle cylinder is further provided with a control assembly 2 and a monitoring assembly 16, so as to facilitate operation control and working state monitoring of the air dryer for the locomotive; further, control assembly 2 includes automatically controlled ware casing and sets up the control scheme board in automatically controlled ware casing, realize sealing connection through the sealing strip between automatically controlled ware casing and the middle barrel, detection subassembly 16 includes observation window and humidity display.
As a preferred embodiment of the present invention, as shown in fig. 3, a plurality of top covers 15 are fixedly disposed on the upper cover 17, the number of the top covers 15 is consistent with the number of the cylinders, and each top cover 15 is correspondingly located above each cylinder, a top cover exhaust valve 14 and a one-way valve are disposed on the top cover 15, on one hand, the top cover exhaust valve can be used for exhausting gas when the pressure is too large, and on the other hand, the outside air is prevented from entering the drying chamber a and the drying chamber B to pollute the regeneration gas.
As a preferred embodiment of the present invention, as shown in fig. 4, a plurality of cylinders are disposed in the drying tower a assembly 4 and the drying tower B assembly 5, the cylinders are of a mesh structure, and the cylinders are filled with a drying agent 19.
As the preferred embodiment of the present invention, as shown in fig. 1, the filter element cartridge assembly 3 includes a support and a filter element disposed in the support, and the support is detachably fixed to the lower cover 17, so as to facilitate periodic maintenance and replacement of the filter element.
As the preferred embodiment of the present invention, as shown in FIG. 4, a groove is provided below the top cover 15, and the hole is opened in the middle of the groove to buffer the gas and prevent the gas from flowing away too fast when exhausting.
The utility model discloses a theory of operation is: the working process is divided into 4 stages, namely, a first stage, pressurization of the drying chamber A and drying of the drying chamber B; step two, drying in a drying chamber A and regenerating in a drying chamber B; step three, drying in a drying chamber A, and pressurizing in a drying chamber B; and step four, regenerating the drying chamber A and drying the drying chamber B.
Stage one, pressurizing a drying chamber A, and drying a drying chamber B:
air firstly enters a filtering chamber from an inlet 10, is filtered by a filter element in a filter element cylinder assembly 3 and then is preheated by an electric heating plate 18, and then the air enters a drying chamber B from an air inlet reversing valve 6 to be dried, and at the moment, an exhaust valve 13 is in a closed state; after the air flows out of the drying chamber B, the air passes through the air outlet reversing valve 7 and is output from the outlet 11, at the moment, after the pressure signal output from the outlet 11 by the regeneration gas is obtained by automatically adjusting the regeneration valve 9, the regeneration air with a certain proportion enters the regeneration cylinder 8 and then enters the drying chamber A through the regeneration reversing valve, and the internal pressure of the drying chamber A is gradually increased.
Stage two, drying in the drying chamber A, and regenerating in the drying chamber B:
the drain valve 12 is opened to discharge the impurities in the filter chamber; switching the air inlet reversing valve 6 to enable the filtered air to enter the drying chamber A, simultaneously opening the exhaust valve 13 (only opening the exhaust function of the drying chamber B), and reversing the valve cores of the air outlet reversing valve 7 and the regeneration reversing valve by the pressure difference generated in the drying chamber B; after the air is dried in the drying chamber A, the air is output from the outlet 11 through the air outlet reversing valve 7, at the moment, after the pressure signal of the regeneration gas output from the outlet 11 is obtained by automatically adjusting the regeneration valve 9, the regeneration air with a certain proportion enters the regeneration cylinder 8, then enters the drying chamber B through the regeneration reversing valve, and is discharged from the exhaust valve 13 together with the water vapor in the drying chamber B, so that the regeneration of the drying chamber B is realized.
And step three, drying in the drying chamber A, and pressurizing in the drying chamber B:
the exhaust valve 13 is closed, the filtered air continues to enter the drying chamber A and then is output from the outlet 11 through the air outlet reversing valve 7, at this time, the regeneration air in the regeneration cylinder 8 continues to enter the drying chamber B through the regeneration reversing valve, and the pressure in the drying chamber B begins to increase.
And step four, regenerating the drying chamber A, and drying the drying chamber B:
switching the air inlet reversing valve 6 to enable the filtered air to enter the drying chamber B, simultaneously opening the exhaust valve 13 (only opening the exhaust function of the drying chamber A), and reversing the valve cores of the air outlet reversing valve 7 and the regeneration reversing valve by the pressure difference generated in the drying chamber A; after the air is dried in the drying chamber B, the air is output from the outlet 11 through the air outlet reversing valve 7, at the moment, after the pressure signal of the regeneration gas output from the outlet 11 is obtained by automatically adjusting the regeneration valve 9, the regeneration air with a certain proportion enters the regeneration cylinder 8, then enters the drying chamber A through the regeneration reversing valve, and is discharged from the exhaust valve 13 together with the water vapor in the drying chamber A, so that the regeneration of the drying chamber A is realized.
The four stages are circularly reciprocated by the above steps to complete the circular drying work.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. An air dryer for a locomotive, characterized in that: including casing, filter core section of thick bamboo subassembly (3), drying tower A subassembly (4), drying tower B subassembly (5), regeneration section of thick bamboo (8), entry (10) and export (11), filter core section of thick bamboo subassembly (3), drying tower A subassembly (4) and drying tower B subassembly (5) set up in the casing, regeneration section of thick bamboo (8), entry (10) and export (11) set up outside the casing, be equipped with three cavity in the casing: filter chamber, drying chamber A and drying chamber B, filter chamber, correspond respectively in drying chamber A and the drying chamber B and be provided with filter core section of thick bamboo subassembly (3), drying tower A subassembly (4) and drying tower B subassembly (5), entry (10) intercommunication filter chamber, regeneration section of thick bamboo (8) and casing fixed connection to be linked together with drying chamber A and drying chamber B, export (11) are linked together with drying chamber A and drying chamber B.
2. An air dryer for a locomotive according to claim 1, wherein: still including admitting air switching-over valve (6) and the switching-over valve (7) of giving vent to anger, admit air switching-over valve (6) are the three-way valve, and entry end intercommunication filter chamber, exit end communicate drying chamber A and drying chamber B respectively, switching-over valve (7) of giving vent to anger are the three-way valve, and entry end communicates drying chamber A and drying chamber B respectively, exit end intercommunication export (11).
3. An air dryer for a locomotive according to claim 2, wherein: still include drain valve (12) and discharge valve (13), drain valve (12) and filter chamber intercommunication, discharge valve (13) and drying chamber A and drying chamber B intercommunication.
4. An air dryer for a locomotive according to claim 3, wherein: still include automatically regulated regeneration valve (9) and regeneration switching-over valve, automatically regulated regeneration valve (9) set up between regeneration section of thick bamboo (8) and export (11), regeneration switching-over valve entry end intercommunication regeneration section of thick bamboo (8), exit end intercommunication drying chamber A and drying chamber B.
5. An air dryer for a locomotive according to claim 2, wherein: the air purifier further comprises an electric heating plate (18), wherein the electric heating plate (18) is arranged outside a pipeline between the filter chamber and the air inlet reversing valve (6) and is used for preheating filtered air.
6. An air dryer for a locomotive according to claim 1, wherein: the drying tower A assembly (4) and the drying tower B assembly (5) are composed of a plurality of cylinders, the cylinders are of a net structure, and drying agents (19) are filled in the cylinders.
7. An air dryer for a locomotive according to claim 6, wherein: the shell is of a three-section structure and sequentially comprises an upper cover (17), a middle cylinder body and a lower cover (1) from top to bottom, and the lower cover (1) and the upper cover (17) are fixedly connected with the middle cylinder body.
8. An air dryer for a locomotive according to claim 7, wherein: a plurality of top covers (15) are fixedly arranged on the upper cover (17), the number of the top covers (15) is consistent with the number of the cylinders, each top cover (15) is correspondingly positioned above each cylinder, and a top cover exhaust valve (14) and a one-way valve are arranged on each top cover (15).
9. An air dryer for a locomotive according to claim 7, wherein: still include control assembly (2) and monitoring subassembly (16), control assembly (2) and monitoring subassembly (16) are fixed to be set up on middle barrel outer wall, control assembly (2) include automatically controlled ware casing and set up the control scheme board in automatically controlled ware casing, realize sealing connection through the sealing strip between automatically controlled ware casing and the middle barrel, monitoring subassembly (16) include observation window and humidity display.
10. An air dryer for a locomotive according to claim 7, wherein: the filter element cylinder assembly (3) comprises a support and a filter element arranged in the support, and the support is detachably and fixedly connected with the lower cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920672813.3U CN210674725U (en) | 2019-05-13 | 2019-05-13 | Air dryer for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920672813.3U CN210674725U (en) | 2019-05-13 | 2019-05-13 | Air dryer for locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210674725U true CN210674725U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920672813.3U Active CN210674725U (en) | 2019-05-13 | 2019-05-13 | Air dryer for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210674725U (en) |
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2019
- 2019-05-13 CN CN201920672813.3U patent/CN210674725U/en active Active
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