CN204984804U - Double tower desicator - Google Patents
Double tower desicator Download PDFInfo
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- CN204984804U CN204984804U CN201520686212.XU CN201520686212U CN204984804U CN 204984804 U CN204984804 U CN 204984804U CN 201520686212 U CN201520686212 U CN 201520686212U CN 204984804 U CN204984804 U CN 204984804U
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Abstract
The utility model provides a double tower desicator belongs to the drying equipment field, including air compressor machine, total reservoir, drying tower, valve plate assembly and electrical system, air compressor machine, total reservoir and drying tower are all located on the valve plate assembly, the drying tower includes A tower and B tower that the interval set up, all be equipped with communicating filter house and central trachea in A tower and the B tower. This kind of double tower desicator can continuous ground realize the dry of air and filters, continually carry dry uncontaminated air to total reservoir, and it has the more multiple advantage of low grade of simple structure, cost.
Description
Technical field
The utility model relates to drying device field, in particular to a kind of double-tower dryer.
Background technique
Along with the high speed development of China Railway cause, railway operation it is also proposed safely higher requirement.The reliability of locomotive braking system can be one of most important link in locomotive operation.Existing locomotive brake generally adopts air braking system, and braking is the key index ensureing security of system by compressed-air actuated humidity, humidity over limit not only causes corrosion to damage to each brake member, also can because of the blocking freezing to cause pipeline coming off and catchment of corrosion thing, serious threat traffic safety, therefore installs the mandatory provisions that compressed-air drier has become locomotive manufacturing industry.
The compressed-air drier that current locomotive adopts has single tower and double tower two kinds of exsiccators, single its structure of tower exsiccator is simple, and reliability is high, failure rate is low, but exsiccator can not regenerate process siccative when air compressor works, can only with the air compressor auxiliary work of intermittent work; Siccative is loaded few, and the replacement cycle is short; Double-tower dryer, by electric control system controls, allows two tower drier alternations, and an absorption, a regeneration, carries out work exchange in set time.But current double-tower dryer structure is extremely complicated, and amount of parts is many, the difficulty causing processing, assembling and keep in repair, improves production and maintenance cost.Structural design exists larger defect, completing of required function is desirable not to the utmost.It adopts a two-position three way magnetic valve to control two selector valves simultaneously, two selector valves control two tower drier respectively, be difficult to like this ensure the synchronous of alternating movement, and the project organization of two groups of selector valves is inevitable completely different, because two-position three way control valve only has a gas outlet tube, externally export control force by giving pressure and pressure release two actions.During work, two selector valve direction of action are contrary, air inlet closedown when giving pressure, EXO, and another air inlet is opened, exc.; Otherwise two valve motion orientation exchange during pressure release, in structural design, one is that air pressure promotes piston closedown air inlet, and another is spring closedown air inlet necessarily, and air pressure opens exhaust.Such problem just creates, after spring design is good, its elastic force thinks constant (in fact also can diminish because of timeliness), and gas pressure is ceaselessly changing, and spring force design is little, valve fits badly, design large, do not open again, very awkward, namely be can open to close, action also can not be reliable rapidly.And another selector valve is because be that air pressure controls completely, action is very fast.The opening and closing of such two selector valves is difficult to synchronous, and the exsiccator effect that works together is just undesirable, causes opening and closing frequently overlapping, forms gas waste or air-resistance phenomenon, cause working efficiency to reduce energy loss.
Therefore, design of drying equipment of the prior art is reasonable not, can not meet the demand of use.
Model utility content
The utility model provides a kind of double-tower dryer, is intended to improve the problems referred to above.
The utility model is achieved in that
Double-tower dryer, comprises air compressor, total reservoir, tower drier, valve plate assembly and automatical control system; Described air compressor, total reservoir and tower drier are all located on valve plate assembly, and described tower drier comprises spaced A tower and B tower, is equipped with the filter house and center tracheae that communicate in described A tower and B tower;
Described automatical control system comprises the connected time relay and the first solenoid valve, can be realized unlatching or the closedown of the first solenoid valve by the described time relay;
The A tower be provided with the total intake duct be connected with air compressor in described valve plate assembly, road taken a breath by the A tower be connected with the filter house of described A tower, being connected with the center tracheae of described A tower take a breath road, the B tower that is connected with the center tracheae of described B tower of by-path, the B tower that is connected with the filter house of described B tower of giving vent to anger is given vent to anger by-path and total air outlet channel of being connected with described total reservoir, and give vent to anger by-path and B tower of described total air outlet channel and described A tower is given vent to anger between by-path and be equipped with one-way valve; Described A tower by-path and B tower by-path of giving vent to anger of giving vent to anger is connected by regeneration air flue; Described valve plate assembly is also provided with blowdown portion;
Also be provided with valve pocket in described valve plate assembly, be provided with spool in this valve pocket, this spool and cylinders, one end that described total air outlet channel arranges cylinder by external pipeline and described valve pocket is connected, and described first solenoid valve is located on this external pipeline; The other end of described spool is connected with described total air outlet channel by the first small bore air flue;
When described first solenoid valve is in opening state, air-flow in described total air outlet channel enters cylinder by external pipeline and promotes the piston of cylinder, piston promotes spool, and then described total intake duct and the A tower road and total intake duct and B tower take a breaths that is connected, road of taking a breath is disconnected, while A tower road of taking a breath disconnect the road and B tower is taken a breath with described blowdown portion and be connected with described blowdown portion;
When described first solenoid valve is in closed condition, air-flow in described total air outlet channel is entered valve pocket by the first small bore air flue and is promoted spool, and then described total intake duct and the B tower road and total intake duct and A tower take a breaths that is connected, road of taking a breath is disconnected, while B tower road of taking a breath disconnect the road and A tower is taken a breath with described blowdown portion and be connected with described blowdown portion.
By the periodic duty of above-mentioned each parts, achieve dry continuing with regeneration and carry out, two tower drier are worked continuously, enables the air of clean dried flow to total reservoir endlessly, enable train complete braking operation in time.
Further, the center tracheae of described A tower is located at the inside of its filter house, described filter house comprises oil and water seperator and drying chamber from bottom to top successively, siccative is provided with in described drying chamber, the inside upper part of this drying chamber is provided with filter, this filter and described center tracheae are fitted, and the joint place of center tracheae and drying chamber is provided with pore; The upper end of described A tower is provided with tower drier upper cover, and A tower is fixed on valve plate assembly by fixing bolt, and this fixing bolt is through described center tracheae.
Oil and water seperator can oil content in initial gross separation air and moisture, and siccative can carry out drying, filtration to air further, the impurity such as steam, greasy dirt that removing inside air is mingled with, obtained comparatively pure air; Filter filters air more further, makes air more clean.Air after filtration enters center tracheae by pore.
Further, described oil and water seperator ecto-entad comprises urceolus, filter and inner core successively, and described filter copper strips is made, and its cross section is helical; The upper end of oil and water seperator and lower end are respectively equipped with separator upper cover and separator lower cover, and described separator upper cover and separator lower cover are connected by separator bolt.
Further, described automatical control system also comprises connected pressure switch, auxiliary reclay and the second solenoid valve; Described second solenoid valve is connected with regeneration air flue, can realize by this second solenoid valve the unlatching or the closedown that regenerate air flue.
Further, described total air outlet channel is connected with the first small bore and controls air flue, and described second solenoid valve is located at this first small bore and is controlled on air flue, and this second solenoid valve is connected with pneumatic stopping valve, and described pneumatic stopping valve is located on described regeneration air flue.
Further, described automatical control system also comprises connected temperature detect switch (TDS) and heating pipe, and described heating pipe is located on described valve plate assembly.
Further, described blowdown portion comprises A tower blowdown portion and B tower blowdown portion, and described A tower blowdown portion and B tower blowdown portion comprise the A tower blowdown air flue and B tower blowdown air flue that communicate with described valve pocket respectively; Described A tower blowdown air flue and B tower blowdown air flue are all connected with silencing apparatus.
Further, the joint of described valve pocket and A tower blowdown air flue defines A tower blowdown chamber, and the joint of valve pocket and B tower blowdown air flue defines B tower blowdown chamber, and the diameter in described A tower blowdown chamber and B tower blowdown chamber is all greater than the diameter of valve pocket.
Further, described spool is reducing cylindrical body, and the sidepiece of spool is provided with multiple seal ring along its axially spaced-apart.
Further, sieve plate is provided with between described oil and water seperator and drying chamber.
The beneficial effects of the utility model are: the double-tower dryer that the utility model is obtained by above-mentioned design, can realize the drying to air and filtration continuously, and endlessly to the air of total reservoir conveying dried and clean, and its tool has the following advantages:
1, structure is simple, and cost is lower;
2, complete function, power and energy transition is smooth and easy, and not by air pressure influence of fluctuations, functional reliability is high;
3, low to Environmental Conditions, conditional request;
4, install simply;
5, energy consumption is low, and effect is high;
6, long service life, maintenance period is long, and maintenance work is simple, the standardization of rapid wear accessory, is easy to obtain.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model mode of execution, be briefly described to the accompanying drawing used required in mode of execution below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the double-tower dryer that the utility model mode of execution provides, and now A tower is as tower drier, and B tower is as regenering tower, and in figure, arrow is the flow direction of gas;
Fig. 2 is the sectional view of valve plate assembly in the double-tower dryer that provides of the utility model mode of execution, and now A tower is as tower drier, and B tower is as regenering tower, and in figure, arrow is the flow direction of gas;
Fig. 3 is the sectional view of oil and water seperator in the double-tower dryer that provides of the utility model mode of execution;
Fig. 4 is the sectional view regenerating air flue in the double-tower dryer that provides of the utility model mode of execution, and now A tower is as tower drier, and B tower is as regenering tower, and in figure, arrow is the flow direction of gas;
Fig. 5 is the structural representation of automatical control system in the double-tower dryer that provides of the utility model mode of execution.
Figure acceptance of the bid note is respectively:
Air compressor 001; Total reservoir 002;
Fixing bolt 101; Tower drier upper cover 102; Filter 103; Center tracheae 104; Cylindrical shell 105; Siccative 106; Sieve plate 201;
Oil and water seperator 300; Separator upper cover 301; Urceolus 302; Filter 303; Spring 304; Inner core 305; Separator lower cover 306; Nut 307; Separator bolt 308;
Valve plate assembly 400; One-way valve 401; Pneumatic stopping valve 402; First small bore controls air flue 403; Spool 404; B tower is given vent to anger by-path 405; A tower is given vent to anger by-path 406; Total air outlet channel 407; First small bore air flue 408; Regeneration air flue 409; Slideway 410; B tower blowdown chamber 412; B tower blowdown air flue 413; B tower ventilation road 414; Silencing apparatus 415; B tower ventilation lumen 416; Seal ring 417; Total air-inlet cavity 418; Total intake duct 419; A tower ventilation lumen 420; A tower ventilation road 422; A tower blowdown air flue 423; A tower blowdown chamber 424; Cylinder 428; Second small bore air flue 429; External pipeline 430; Interior collar 431; Cylinder cap 432; Piston 433; Second small bore controls air flue 435;
First terminal 501; Second terminal 502; 3rd terminal 503; Three core aviation plugs 504; Aviation socket 505; Safety fuse cutout 506; The time relay 508; First solenoid valve 509; Second solenoid valve 510; Auxiliary reclay 511; Pressure switch 512; Temperature detect switch (TDS) 513; Line bank 514; Heating pipe 515.
Embodiment
For making the object of the utility model mode of execution, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model mode of execution, technological scheme in the utility model mode of execution is clearly and completely described, obviously, described mode of execution is the utility model part mode of execution, instead of whole mode of executions.Based on the mode of execution in the utility model, those of ordinary skill in the art are not making the every other mode of execution obtained under creative work prerequisite, all belong to the scope of the utility model protection.Therefore, below to the detailed description of the mode of execution of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected mode of execution of the present utility model is only represented.Based on the mode of execution in the utility model, those of ordinary skill in the art are not making the every other mode of execution obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Refer to Fig. 1-Fig. 5
The double-tower dryer that present embodiment provides, comprises air compressor 001, total reservoir 002, tower drier, valve plate assembly 400 and automatical control system; Air compressor 001, total reservoir 002 and tower drier are all located on valve plate assembly 400, and tower drier comprises spaced A tower and B tower, is equipped with the filter house and center tracheae 104 that communicate in A tower and B tower.
Double-tower dryer is used for dry gas, is mainly used in locomotive, and when its application is with locomotive, above-mentioned air compressor 001 can adopt the air compressor 001 of locomotive vehicle-mounted, and total reservoir 002 can adopt total reservoir 002 of locomotive.Operationally, each parts of electric control system controls, by air compressor 001 air-breathing, enter valve plate assembly 400, one of them tower drier does Dryly use, and another does regeneration and uses; Gas finally enters vehicle-mounted total reservoir 002; The effect running latter two tower drier of a period of time is exchanged, can continuous service both being made by such circulation.
Automatical control system comprises the connected time relay 508 and the first solenoid valve 509, can be realized unlatching or the closedown of the first solenoid valve 509 by the time relay 508.
The time relay 508 is a kind of control apparatuses utilizing electromagnetic principle or Der Grundsatz der Maschinen to realize delays time to control, is one of equipment that industrial field is conventional.The time relay 508 can be divided into on-delay type and power cut off delay type two type, can change the "on" position of coupled equipment after the time relay 508 runs a period of time.
The time relay 508 herein in use, within an operation period, when the time is in the leading portion cycle, the time relay 508 controls the first solenoid valve 509 and is in opening state, and when the time is in the rear short period, the time relay 508 controls the first solenoid valve 509 and is in closed condition.Leading portion cycle and preferred time consistency of rear short period.
The A tower be provided with the total intake duct 419 be connected with air compressor 001 in valve plate assembly 400, road 422 taken a breath by the A tower be connected with the filter house of A tower, being connected with the center tracheae 104 of A tower take a breath road 414, the B tower that is connected with the center tracheae 104 of B tower of by-path 406, the B tower that is connected with the filter house of B tower of giving vent to anger is given vent to anger by-path 405 and total air outlet channel 407 of being connected with total reservoir 002, and give vent to anger by-path 406 and B tower of total air outlet channel 407 and A tower is given vent to anger between by-path 405 and be equipped with one-way valve 401; A tower by-path 406 and B tower by-path 405 of giving vent to anger of giving vent to anger is connected by regeneration air flue 409; Valve plate assembly 400 is also provided with blowdown portion;
Also be provided with valve pocket in valve plate assembly 400, be provided with spool 404 in this valve pocket, this spool 404 is connected with cylinder 428, and one end that total air outlet channel 407 arranges cylinder 428 by external pipeline 430 and valve pocket is connected, and the first solenoid valve 509 is located on this external pipeline 430; The other end of spool 404 is connected with total air outlet channel 407 by the first small bore air flue 408;
When the first solenoid valve 509 is in opening state, air-flow in total air outlet channel 407 enters cylinder 428 by external pipeline 430 and promotes the piston 433 of cylinder 428, piston 433 spool 404, and then total intake duct 419 and the A tower road 414 and total intake duct 419 and B tower take a breaths that is connected, road 422 of taking a breath is disconnected, A tower road 422 of taking a breath disconnects with blowdown portion and B tower is taken a breath that road 414 is connected with blowdown portion simultaneously;
When the first solenoid valve 509 is in closed condition, air-flow in total air outlet channel 407 enters valve pocket by the first small bore air flue 408 and promotes spool 404, and then total intake duct 419 and the B tower road 422 and total intake duct 419 and A tower take a breaths that is connected, road 414 of taking a breath is disconnected, B tower road 414 of taking a breath disconnects with blowdown portion and A tower is taken a breath that road 422 is connected with blowdown portion simultaneously.
As shown in the figure, in the valve plate assembly 400 that present embodiment provides, valve pocket cross setting, total intake duct 419 and blowdown portion are all located at the below of valve pocket, the top of valve pocket is all located in A tower ventilation road 422 and B tower ventilation road 414, is realized connection or the disconnection of each air flue by the operation of valve pocket inner spool 404 respectively.
Tower drier is usual means in drying equipment, herein: the ventilation of A tower road 422, A tower filter house, A tower center tracheae 104 and A tower are given vent to anger by-path 406 jointly composition A tower air flue and it is in communicating state always; The ventilation of B tower road 414, B tower filter house, B tower center tracheae 104 and B tower are given vent to anger, and by-path 405 is common to be formed B tower air flue and is in communicating state always.
For state shown in Fig. 1, this double-tower dryer in use, after energising, air compressor 001 works, air-flow is passed into total intake duct 419, air-flow enters A tower ventilation road 422 by valve pocket, and enters A tower filter house and carry out filtering and dry, flows into A tower to give vent to anger by-path 406 after filtration by the center tracheae 104 of A tower, and open A tower and to give vent to anger by-path 406 and the one-way valve 401 on total air outlet channel 407, flow into total air outlet channel 407.The one-way valve 401 that now B tower is given vent to anger on by-path 405 and total air outlet channel 407 is closed.
Part air-flow enters cylinder 428 by external pipeline 430, and the piston 433 with dynamic air cylinder 428 promotes spool 404, spool 404 is pushed into the right-hand member (illustrated state) of valve pocket, open total intake duct 419 and A tower further take a breath the connection in road 422 and the connection in B tower ventilation road 414 and blowdown portion; And close the connection of B tower ventilation road 414 and total intake duct 419, and the connection in A tower ventilation road 422 and blowdown portion.
A tower by-path 406 and B tower by-path 405 of giving vent to anger of giving vent to anger is connected by regenerating air flue 409, give vent to anger a part of air-flow of by-path 406 of A tower enters B tower by regeneration air flue 409 and to give vent to anger by-path 405, center tracheae 104 along B tower upwards flows, enter the filter house of B tower and take away the moisture of separating out due to step-down in B tower filter house, reaching the object of regeneration.Blow away the oil droplet, the water droplet that leach in B tower simultaneously, flow into blowdown portion through B tower ventilation road 414, reach the object of blowdown.Now A tower does Dryly use, and B tower does and regenerates.
The air-flow flowing into total air outlet channel 407 enters total reservoir 002, and this portion gas is dry and the gas of cleaning, can be used for locomotive brake to use.
When the time relay 508 moves to the rear short period, the time relay 508 disconnects the energising of the first solenoid valve 509, it is made to be in closed condition, now external pipeline 430 is closed, air-flow in total air outlet channel 407 does not enter in valve pocket by external pipeline 430, and then enters valve pocket by the first small bore air flue 408 from the other end of valve pocket, and promotes spool 404 (due to now cylinder 428 access failure source of the gas, therefore resistance is relatively little), make spool 404 run to the left end of valve pocket.
The now take a breath connection in road 422 of total intake duct 419 and A tower disconnects, and B tower is taken a breath, the connection in road 414 and blowdown portion disconnects; The road 414 of B tower ventilation is simultaneously connected with total intake duct 419, and A tower ventilation road 422 is connected with blowdown portion.
Flow reversal now in valve plate assembly 400 and tower drier: gas enters B tower by total intake duct 419 and to take a breath road 414 enter B tower filter house and carry out filtering and dry, flow into B tower by the center tracheae 104 of B tower after filtration to give vent to anger by-path 405, and open B tower and to give vent to anger by-path 405 and the one-way valve 401 on total air outlet channel 407, flow into total air outlet channel 407.The one-way valve 401 that now A tower is given vent to anger on by-path 406 and total air outlet channel 407 is closed.
Give vent to anger a part of air-flow of by-path 405 of B tower enters A tower by regeneration air flue 409 and to give vent to anger by-path 406, and the center tracheae 104 along A tower upwards flows, and enters the filter house of A tower and takes away the moisture of separating out due to step-down in A tower filter house, reaching the object of regeneration.Blow away the oil droplet, the water droplet that leach in A tower simultaneously, flow into blowdown portion through A tower ventilation road 422, reach the object of blowdown.Now B tower does Dryly use, and A tower does and regenerates.
When the time relay 508 after short period end of run after the time relay 508 restarts to run the leading portion cycle.By such circulation, achieve dry continuing with regeneration and carry out, two tower drier are worked continuously, enables the air of clean dried flow to total reservoir 002 endlessly, enable train complete braking operation in time.
Further, in some specific embodiments, A tower is consistent with the internal structure of B tower, for A tower: the center tracheae 104 of A tower is located at the inside of its filter house, filter house comprises oil and water seperator 300 and drying chamber from bottom to top successively, is provided with siccative 106 in drying chamber, and the inside upper part of this drying chamber is provided with filter 103, this filter 103 is fitted with center tracheae 104, and center tracheae 104 is provided with pore with the joint place of drying chamber; The upper end of A tower is provided with tower drier upper cover 102, A tower and is fixed on valve plate assembly 400 by fixing bolt 101, and this fixing bolt 101 is through center tracheae 104.
Oil and water seperator 300 can oil content in initial gross separation air and moisture, and siccative 106 can carry out drying, filtration to air further, the impurity such as steam, greasy dirt that removing inside air is mingled with, obtained comparatively pure air; Filter 103 filters air more further, makes air more clean.Air after filtration enters center tracheae 104 by pore.
As shown in the figure, tower drier upper cover 102 is pressed in the top of A tower by fixing bolt 101, and is fixed on valve plate assembly 400 by whole A tower; Fixing bolt 101, through center tracheae 104, makes fixing bolt 101 be in the central position of A tower, A tower is firmly fixed on valve plate assembly 400.The outside of tower drier is cylindrical shell 105 part, and cylindrical shell 105 plays the effect of protection internal structure.
Further, oil and water seperator 300 ecto-entad comprises urceolus 302, filter 303 and inner core 305 successively, and filter 303 is made with copper strips, and its cross section is helical; The upper end of oil and water seperator 300 and lower end are respectively equipped with separator upper cover 301 and separator lower cover 306, and separator upper cover 301 and separator lower cover 306 are connected by separator bolt 308.
The filter 303 of this structure, when filtered air, air is moved ahead along spiral helicine copper strips, the oil content of its inner inclusion and moisture can be easy to condense in filter 303, play the object of filtration.The oil and water seperator 300 of this structure is the rotary structure of ring-type, during installation, is placed on the outside of center tracheae 104, outside center tracheae 104, is provided with screw thread, oil and water seperator 300 can be installed on center tracheae 104 by nut 307.Outside center tracheae 104, also cover has spring 304, by the elastic force of spring 304, oil and water seperator 300 is fixed on center tracheae 104 by nut 307 more firmly.
Automatical control system also comprises connected pressure switch 512, auxiliary reclay 511 and the second solenoid valve 510; Second solenoid valve 510 is connected with regeneration air flue 409, can realize by this second solenoid valve 510 unlatching or the closedown that regenerate air flue 409.
Total intake duct 419 defines total air-inlet cavity 418 with the joint of valve pocket, and pressure switch 512 is arranged on this total air-inlet cavity 418 place.
When pressure in total reservoir 002 reaches the maximum pressure of its setting, the pressure regulator valve in locomotive controls air compressor 001 and stops air feed.Now the pressure at total air-inlet cavity 418 place declines and gradually lower than the minimum set force value of pressure switch 512, pressure switch 512 contact disconnects, auxiliary reclay 511 resets, its normally opened contact 3,5 disconnects, and normally-closed contact 2,6 closes, and closes regeneration air flue 409, time-out control end 4,1 conducting of the time relay 508, the time relay 508 enters memory halted state, the first solenoid valve 509 keep electric or off-position constant, whole double-tower dryer entered function halted state.
When total reservoir 002 Pressure Drop is to setting minimal pressure force value, air compressor 001 is started working, pressurized air enters through total air-inlet cavity 418, and arrive corresponding tower drier, the pressure at total air-inlet cavity 418 place raises gradually, when reaching the cracking pressure value of pressure switch 512 setting, pressure switch 512 make contact, auxiliary reclay 511 obtains electric, and the second solenoid valve 510 obtains electric, the conducting of regeneration air flue 409, reproduction operation is opened; The time relay 508 is opened by halted state simultaneously, continues timework, and replacing of two tower drier working staties in loop control.
Particularly, total air outlet channel 407 is connected with the first small bore control air flue 403, second solenoid valve 510 and is located on this first small bore control air flue 403, and this second solenoid valve 510 is connected with pneumatic stopping valve 402, and pneumatic stopping valve 402 is located on regeneration air flue 409.
In working procedure, the air-flow of total air outlet channel 407 enters the first small bore and controls air flue 403 and enter pneumatic stopping valve 402 by the second solenoid valve 510 opened, and makes pneumatic stopping valve 402 be in opening state all the time; During break-off, air-flow no longer flows, and the non-pressurized of pneumatic stopping valve 402, remains open state.
Further, automatical control system also comprises connected temperature detect switch (TDS) 513 and heating pipe 515, and heating pipe 515 is located on valve plate assembly 400.
Heating pipe 515 is located on valve plate assembly 400 for heating.When outside air temperature lower and lower than lowest temperature angle value (as 5 DEG C) that arrange in temperature detect switch (TDS) 513 time, temperature detect switch (TDS) 513 close and make heating pipe 515 electric, heating pipe 515 heats to whole exsiccator, prevents its inner catchment from freezing; When outside air temperature higher and higher than in temperature detect switch (TDS) 513 arrange setting value (as 10 DEG C) time, temperature detect switch (TDS) 513 disconnect and make heating pipe 515 power-off and stop heating.
As shown in the figure, blowdown portion comprises A tower blowdown portion and B tower blowdown portion, and A tower blowdown portion and B tower blowdown portion comprise the A tower blowdown air flue 423 and B tower blowdown air flue 413 that communicate with valve pocket respectively; A tower blowdown air flue 423 and B tower blowdown air flue 413 are all connected with silencing apparatus 415.
Operationally, A tower carries out blowdown by A tower blowdown portion, and B tower carries out blowdown by B tower blowdown portion.Aforesaid A tower or B tower are connected with blowdown portion or disconnect and refer to A tower respectively and be connected with A tower blowdown portion or disconnect, and B tower is connected with B tower blowdown portion or disconnects.The noise that when can eliminate blowdown by silencing apparatus 415, gas shock blowdown air flue sends.
The joint of valve pocket and A tower blowdown air flue 423 defines A tower blowdown chamber 424, and the diameter that the joint of valve pocket and B tower blowdown air flue 413 defines tower blowdown chamber, B tower blowdown chamber 412, A 424 and B tower blowdown chamber 412 is all greater than the diameter of valve pocket.
Air-flow can enter A tower blowdown air flue 423 or B tower blowdown air flue 413 respectively by A tower blowdown chamber 424 or B tower blowdown chamber 412.
Further, spool 404 is reducing cylindrical body, and the sidepiece of spool 404 is provided with multiple seal ring 417 along its axially spaced-apart.
As shown in Figure 1, spool 404 can be divided into the first large-diameter portion, the second minor diameter part, the third-largest footpath portion, the 4th minor diameter part and the fifth-largest footpath portion from left to right substantially; Valve pocket is divided into cylinder assembly department and slideway 410, and cylinder assembly department is for installing cylinder 428; Slideway 410 is provided with above-mentioned A tower blowdown chamber 424, total air-inlet cavity 418 and B tower blowdown chamber 412.The take a breath joint in road 422 of slideway 410 and A tower defines A tower ventilation lumen 420, and the take a breath joint in road 414 of slideway 410 and B tower defines B tower ventilation lumen 416.
A tower ventilation lumen 420, B tower ventilation lumen 416, A tower blowdown chamber 424, the always diameter in air-inlet cavity 418 and B tower blowdown chamber 412 are all greater than the diameter of slideway 410, and the diameter of each large-diameter portion is consistent with the diameter of slideway 410, and the diameter of each minor diameter part is less than the diameter of large-diameter portion.
The Main Function of each large-diameter portion is guiding, and spool 404 can be slided in slideway 410; Form chamber between each minor diameter part and slideway 410, air-flow is flow through.
Under Fig. 1 state, the first large-diameter portion and A tower blowdown chamber 424 radially adjoining, make air-flow can not enter A tower blowdown chamber 424 by valve pocket; Second minor diameter part and total air-inlet cavity 418 radially adjoining, and the third-largest footpath portion is positioned on the slideway 410 that total intake duct 419 and B tower take a breath between road 414, total intake duct 419 and A tower road 422 of taking a breath is communicated, and B tower ventilation road 414 disconnects with total intake duct 419; 4th minor diameter part and B tower blowdown chamber 412 radially adjoining, make B tower ventilation road 414 communicate with B tower blowdown air flue 413.
Seal ring 417 preferably has six, is located at the two ends of each large-diameter portion respectively, and seal ring 417 all fits tightly with spool 404 and slideway 410, makes air-flow can not by the Clearance Flow between seal ring 417 and slideway 410.Preferably be provided with ring recess in seal ring 417 installation place, seal ring 417 can be stably connected on spool 404.
Preferably, sieve plate 201 is provided with between oil and water seperator 300 and drying chamber.Sieve plate 201 can play further filtration.
In some specific embodiments, external pipeline 430 is designs like this: total air outlet channel 407 is provided with the second small bore and controls air flue 435, valve pocket is provided with the second small bore air flue 429, and the two ends of external pipeline 430 control air flue 435 with the second small bore respectively and the second small bore air flue 429 is connected.
Cylinder 428 specifically comprises cylinder cap 432 and piston 433, and piston 433 is connected with spool 404, and cylinder cap 432 is connected in valve pocket by interior collar 431.
Automatical control system specifically designs like this: comprise the first terminal 501 (as live wire), the second terminal 502 (as ground wire) and the 3rd terminal 503 (as zero line), three terminal are all connected with same three core aviation plugs 504, three core aviation plugs 504 are connected with aviation socket 505, aviation socket 505 separates the circuit of three wire compositions, circuit is also provided with safety fuse cutout 506; Circuit is connected with line bank 514.
Automatical control system is connected with the vehicle-mounted 24V storage battery of locomotive in use, provides electric energy by storage battery.First terminal 501 connect air compressor 001 running and control power supply+24V, and the second terminal 502 meet battery terminal negative 0V, and the 3rd terminal 503 meet vehicle-mounted general power control+24V.
The terminal 1 of line bank 514 connects safety fuse cutout 506; Terminal 2 connects aviation socket 505 negative pole end; Another safety fuse cutout 506 of terminal 3 one termination, the input end of another termination temperature detect switch (TDS) 513; The output terminal of one termination temperature detect switch (TDS) 513 of terminal 4, the positive terminal of another termination heating pipe 515; One end of the negative pole end connecting terminal 5 of heating pipe 515, another termination power cathode of terminal 5.
The power end 7,2 of the time relay 508 connects the terminal 1,2 of line bank 514 respectively, and pressure switch 512 is open type, one end connecting terminal 1, the control coil end 8 of another termination auxiliary reclay 511, the coil the other end 7 connecting terminal 2.Auxiliary reclay 511 normal-closed end 2,6 connects the time-out control end 4,1 of the time relay 508 respectively, and auxiliary reclay 511 Chang Kaiduan 3,5 is connecting terminal 1, second solenoid valve 510 positive terminal respectively, the negative pole connecting terminal 2 of the second solenoid valve 510.The input end 6 of often opening of the time relay 508 connects line bank 514 terminal 1, the time relay 508 often open the positive terminal that output terminal 8 connects the first solenoid valve 509.The negative pole connecting terminal 2 of the first solenoid valve 509.
Operationally, after locomotive general power is connected, 3rd terminal 503 end obtains electric+24V, temperature detect switch (TDS) 513 input end is made to obtain electric+24V by the terminal 3 of three core aviation plugs 504, aviation socket 505, safety fuse cutout 506, line bank 514, if now temperature set temperature value (as 5 DEG C) and following time, temperature detect switch (TDS) 513 closes, heating pipe 515 electric work, to double-tower dryer heating, in case exsiccator catchment freezes.When temperature setting value (as+10 DEG C) and above time, temperature detect switch (TDS) 513 disconnects, and heating pipe 515 power-off stops heating.
After air compressor of locomotive 001 starts, the first terminal 501 obtain electric+24V, make pressure switch 512, auxiliary reclay 511, the time relay 508 obtain electric by the terminal 1 of three core aviation plugs 504, aviation socket 505, safety fuse cutout 506, line bank 514.Pressurized air is through external pipeline 430 simultaneously, enters exsiccator air-inlet cavity by total intake duct 419; When total air-inlet cavity 418 pressure rises to pressure switch 512 setup pressure value (as 0.6MPa), pressure switch 512 make contact, auxiliary reclay 511 coil obtains electric, it often closes battle 3,5, second solenoid valve 510 obtains electric work, the conducting of regeneration air flue 409, and normally closed point 2,6 disconnects simultaneously, namely the time-out control end 4 and 1 of the time relay 508 is opened a way, and the time relay 508 is started working.Complete aforesaid periodic duty.
The foregoing is only preferred implementation of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. double-tower dryer, is characterized in that, comprises air compressor, total reservoir, tower drier, valve plate assembly and automatical control system; Described air compressor, total reservoir and tower drier are all located on valve plate assembly, and described tower drier comprises spaced A tower and B tower, is equipped with the filter house and center tracheae that communicate in described A tower and B tower;
Described automatical control system comprises the connected time relay and the first solenoid valve, can be realized unlatching or the closedown of the first solenoid valve by the described time relay;
The A tower be provided with the total intake duct be connected with air compressor in described valve plate assembly, road taken a breath by the A tower be connected with the filter house of described A tower, being connected with the center tracheae of described A tower take a breath road, the B tower that is connected with the center tracheae of described B tower of by-path, the B tower that is connected with the filter house of described B tower of giving vent to anger is given vent to anger by-path and total air outlet channel of being connected with described total reservoir, and give vent to anger by-path and B tower of described total air outlet channel and described A tower is given vent to anger between by-path and be equipped with one-way valve; Described A tower by-path and B tower by-path of giving vent to anger of giving vent to anger is connected by regeneration air flue; Described valve plate assembly is also provided with blowdown portion;
Also be provided with valve pocket in described valve plate assembly, be provided with spool in this valve pocket, this spool and cylinders, one end that described total air outlet channel arranges cylinder by external pipeline and described valve pocket is connected, and described first solenoid valve is located on this external pipeline; The other end of described spool is connected with described total air outlet channel by the first small bore air flue;
When described first solenoid valve is in opening state, air-flow in described total air outlet channel enters cylinder by external pipeline and promotes the piston of cylinder, piston promotes spool, and then described total intake duct and the A tower road and total intake duct and B tower take a breaths that is connected, road of taking a breath is disconnected, while A tower road of taking a breath disconnect the road and B tower is taken a breath with described blowdown portion and be connected with described blowdown portion;
When described first solenoid valve is in closed condition, air-flow in described total air outlet channel is entered valve pocket by the first small bore air flue and is promoted spool, and then described total intake duct and the B tower road and total intake duct and A tower take a breaths that is connected, road of taking a breath is disconnected, while B tower road of taking a breath disconnect the road and A tower is taken a breath with described blowdown portion and be connected with described blowdown portion.
2. double-tower dryer according to claim 1, it is characterized in that, the center tracheae of described A tower is located at the inside of its filter house, described filter house comprises oil and water seperator and drying chamber from bottom to top successively, siccative is provided with in described drying chamber, the inside upper part of this drying chamber is provided with filter, and this filter and described center tracheae are fitted, and the joint place of center tracheae and drying chamber is provided with pore; The upper end of described A tower is provided with tower drier upper cover, and A tower is fixed on valve plate assembly by fixing bolt, and this fixing bolt is through described center tracheae.
3. double-tower dryer according to claim 2, is characterized in that, described oil and water seperator ecto-entad comprises urceolus, filter and inner core successively, and described filter copper strips is made, and its cross section is helical; The upper end of oil and water seperator and lower end are respectively equipped with separator upper cover and separator lower cover, and described separator upper cover and separator lower cover are connected by separator bolt.
4. double-tower dryer according to claim 1, is characterized in that, described automatical control system also comprises connected pressure switch, auxiliary reclay and the second solenoid valve; Described second solenoid valve is connected with regeneration air flue, can realize by this second solenoid valve the unlatching or the closedown that regenerate air flue.
5. double-tower dryer according to claim 4, it is characterized in that, described total air outlet channel is connected with the first small bore and controls air flue, described second solenoid valve is located at this first small bore and is controlled on air flue, and this second solenoid valve is connected with pneumatic stopping valve, described pneumatic stopping valve is located on described regeneration air flue.
6. the double-tower dryer according to claim 1 or 4, is characterized in that, described automatical control system also comprises connected temperature detect switch (TDS) and heating pipe, and described heating pipe is located on described valve plate assembly.
7. double-tower dryer according to claim 1, is characterized in that, described blowdown portion comprises A tower blowdown portion and B tower blowdown portion, and described A tower blowdown portion and B tower blowdown portion comprise the A tower blowdown air flue and B tower blowdown air flue that communicate with described valve pocket respectively; Described A tower blowdown air flue and B tower blowdown air flue are all connected with silencing apparatus.
8. double-tower dryer according to claim 7, it is characterized in that, the joint of described valve pocket and A tower blowdown air flue defines A tower blowdown chamber, and the joint of valve pocket and B tower blowdown air flue defines B tower blowdown chamber, and the diameter in described A tower blowdown chamber and B tower blowdown chamber is all greater than the diameter of valve pocket.
9. double-tower dryer according to claim 8, is characterized in that, described spool is reducing cylindrical body, and the sidepiece of spool is provided with multiple seal ring along its axially spaced-apart.
10. the double-tower dryer according to Claims 2 or 3, is characterized in that, is provided with sieve plate between described oil and water seperator and drying chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520686212.XU CN204984804U (en) | 2015-09-06 | 2015-09-06 | Double tower desicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520686212.XU CN204984804U (en) | 2015-09-06 | 2015-09-06 | Double tower desicator |
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| CN204984804U true CN204984804U (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065235A (en) * | 2015-09-06 | 2015-11-18 | 宫卫东 | Double-tower dryer |
| CN107061237A (en) * | 2017-05-19 | 2017-08-18 | 陈洁 | A kind of compressor pre-filtrating equipment |
-
2015
- 2015-09-06 CN CN201520686212.XU patent/CN204984804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065235A (en) * | 2015-09-06 | 2015-11-18 | 宫卫东 | Double-tower dryer |
| CN107061237A (en) * | 2017-05-19 | 2017-08-18 | 陈洁 | A kind of compressor pre-filtrating equipment |
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