CN104747753A - Drying system containing combined reversing valve - Google Patents

Drying system containing combined reversing valve Download PDF

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Publication number
CN104747753A
CN104747753A CN201510052014.2A CN201510052014A CN104747753A CN 104747753 A CN104747753 A CN 104747753A CN 201510052014 A CN201510052014 A CN 201510052014A CN 104747753 A CN104747753 A CN 104747753A
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CN
China
Prior art keywords
unicom
crosspassage
hole
section
plunger
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Granted
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CN201510052014.2A
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Chinese (zh)
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CN104747753B (en
Inventor
姜慧君
李金禄
潘艺昌
谭跃进
李小仨
于洋
毛京兵
鲍军
张二新
王树胜
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Hefei General Machinery Research Institute Co Ltd
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Hefei General Machinery Research Institute Co Ltd
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Priority to CN201510052014.2A priority Critical patent/CN104747753B/en
Publication of CN104747753A publication Critical patent/CN104747753A/en
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Publication of CN104747753B publication Critical patent/CN104747753B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The invention discloses a drying system containing a combined reversing valve. The drying system containing the combined reversing valve comprises an air inlet device, an air outlet device, two drying towers, a silencer, an upper piping system, the combined reversing valve and a driving mechanism used for driving the combined reversing valve, wherein the two drying towers comprises a first drying tower and a second drying tower. The air inlet device is communicated with the air inlet end of the combined reversing valve. The silencer is communicated with the air outlet end of the combined reversing valve. An air inlet hole M and an air inlet hole N of the combined reversing valve are connected with the air inlet ends of the first drying tower and the second drying tower respectively. A regeneration hole of the combined reversing valve is connected with the silencer. The upper piping system is arranged between the air outlet ends of the two drying towers. The drying system containing the combined reversing valve is used for solving the problems in the prior art that a changeover valve, generated by four electric butterfly valves of an adsorbing-type drying machine in a combined mode, is frequent in malfunction, and poor in reliability. The drying system containing the combined reversing valve has the advantages of being simple in structure, low in energy consumption, and short in reversing time.

Description

A kind of drying system containing combined directional valve
Technical field
The present invention relates to air oxygen detrition technical field, relate to a kind of drying system containing combined directional valve.
Background technique
The working procedure of absorption drier utilizes pressure-variable adsorption, regenerative cycle, pressurized air alternating current is made to be full of the dry can of sorbent through I, II two, namely tank body is under high partial pressures (working pressure) state during adsorb water vapor, another tank body is resolved under low dividing potential drop (close to barometric pressure), then switches by the time-program(me) of setting.Its working procedure is that I tower adsorbs II tower regeneration, two towers are all pressed, II tower adsorbs I tower regeneration in simple terms, and circulation is gone down successively, and the conversion of each process is realized by A1, B1, A2, B2 tetra-electric butterfly valves switchings.Four electric butterfly valves A1, B1, A2, B2 are symmetrical, not only complex structure, easy loss, switching valve faults frequent, poor reliability, and four electric butterfly valves need four drive units to drive separately, tripping force is large, and air pressure loss is large, turn around time is long, low-response, and energy consumption is large.
Summary of the invention
The object of this invention is to provide a kind of drying system containing combined directional valve, for solving the switching valve faults frequent of four electric butterfly valve combination generations, the problem of poor reliability of absorption drier in prior art, there is structure simple, the advantage that energy consumption is little, turn around time is short.
For achieving the above object, present invention employs following technological scheme:
A kind of drying system containing combined directional valve, this system comprises air inlet system, air-out apparatus, two tower drier I tower drier in parallel and II tower drier, baffler, upper piping, combined directional valve, and controller, the inlet hole of described air inlet system and described combined directional valve is connected, the regeneration hole of described baffler and described combined directional valve is connected, M air outlet hole and the N air outlet hole of described combined directional valve are connected the inlet end of I tower drier and II tower drier respectively, upper piping is connected between the outlet side of described two tower drier, described upper piping connects air-out apparatus, described controller connects described combined directional valve, station is switched to realize described I tower drier and II tower drier alternation for controlling described combined directional valve,
Described combined directional valve comprises valve body and spool, and described valve body is provided with spool bore, communication passage,
Described spool bore comprises the first spool bore and the second spool bore, and described first spool bore and described second spool bore are arranged side by side on described valve body; Described first spool bore and described second spool bore are hollow cylinders, inside have the space of accommodating described spool;
Described valve body is provided with inlet hole and regeneration hole, and described inlet hole and described regeneration hole are divided on the both sides end face of described valve body, described inlet hole and described first spool bore UNICOM, described regeneration hole and described second spool bore UNICOM;
Described communication passage comprises that be arranged in order, that axis is parallel to each other and coplanar the first vertical passage, the second vertical passage and the 3rd vertical passage, described communication passage is arranged at the valve inner between described first spool bore and described second spool bore, described valve body is also provided with M air outlet hole and N air outlet hole, described M air outlet hole and described first vertical passage UNICOM, described N air outlet hole and described 3rd vertical passage UNICOM;
Described first spool bore is provided with A crosspassage, B crosspassage, C crosspassage and D crosspassage from top to bottom, described A crosspassage and described second vertical passage UNICOM, described B crosspassage and described 3rd vertical passage UNICOM, described C crosspassage and described first vertical passage UNICOM, described D crosspassage and described second vertical passage UNICOM;
Described second spool bore is provided with E crosspassage, F crosspassage and G crosspassage, described E crosspassage and described first vertical passage UNICOM, described F crosspassage and described 3rd vertical passage UNICOM, described G crosspassage and described second vertical passage UNICOM;
Described spool comprises the first plunger portion and the second plunger portion, and described first plunger portion is installed in described first spool bore, and described second plunger portion is installed in described second spool bore;
Described first plunger portion comprises the first plunger rod and the first plunger bushing, described first plunger bushing is fixedly installed in described first spool bore, and described first plunger bushing is provided with the passage being respectively used to A crosspassage described in UNICOM, B crosspassage, C crosspassage, D crosspassage and inlet hole; Described first plunger rod is slidably mounted in described first plunger bushing, the outer wall of described first plunger rod and the inside of described first plunger bushing form UNICOM chamber, when described first plunger rod is in a high position, described B crosspassage and inlet hole UNICOM, described C crosspassage and described D crosspassage UNICOM, when described first plunger rod is in low level, described A crosspassage and B crosspassage UNICOM, described inlet hole and described C crosspassage UNICOM;
Described second plunger portion comprises the second plunger bushing and the second plunger rod, described second plunger bushing is fixed in described second spool bore, described second plunger bushing is provided with the passage being respectively used to E crosspassage described in UNICOM, F crosspassage, G crosspassage and regenerating hole, described second plunger rod is installed with in described second plunger bushing slidably, UNICOM chamber is formed between the outer wall of described second plunger rod and the inwall of described second plunger bushing, when described plunger rod is in a high position, G crosspassage described in chamber UNICOM of described UNICOM and regeneration hole; When described plunger rod is in low level, E crosspassage and F crosspassage described in chamber UNICOM of described UNICOM.
The present invention can also be realized further by following steps.
Further, the outer wall of described first plunger bushing and the inwall of described first spool bore are at described A crosspassage, B crosspassage, C crosspassage, the relative position at D crosspassage and inlet hole place is respectively equipped with described A crosspassage described in UNICOM, B crosspassage, the A ring cavity of C crosspassage and D crosspassage, B ring cavity, C ring cavity, D ring cavity and H ring cavity, sealed department is provided with between described first spool bore between each ring cavity and described first plunger bushing, the opposite side away from other ring cavities of A ring cavity and the upside of A ring cavity and D ring cavity are equipped with sealed department away from the opposite side of other ring cavities and the downside of D ring cavity,
Described first plunger rod is installed in described first plunger bushing slidably, one end of described first plunger rod is provided with the first end cap, the other end axle center place of described first plunger rod is provided with the first plunger channel extended to the first end cap direction, the outer wall of described first plunger rod and the inwall of described first plunger bushing form four sections of UNICOM chambeies, the first UNICOM chamber respectively is from described first end cap end, second UNICOM chamber, 3rd UNICOM chamber and tetrad cavity, adjacent UNICOM is provided with interior sealed department between chamber, the end of described tetrad cavity and the other end away from described first end cap of described plunger rod are provided with interior sealed department, described first UNICOM chamber and described first plunger channel UNICOM,
When described plunger rod is in a high position, A crosspassage described in described second chamber UNICOM of UNICOM, B crosspassage described in the 3rd UNICOM chamber and described inlet hole UNICOM, C crosspassage described in tetrad cavity and described D crosspassage UNICOM; When described plunger rod is in low level, A crosspassage and described B crosspassage described in described second chamber UNICOM of UNICOM, inlet hole and described C crosspassage described in described 3rd chamber UNICOM of UNICOM, D crosspassage described in tetrad cavity UNICOM;
The outer wall of described second plunger bushing and the inwall of described second spool bore are at described E crosspassage, F crosspassage, the relative position at G crosspassage and regeneration place, hole is respectively equipped with E crosspassage described in UNICOM, F crosspassage, the E ring cavity in G crosspassage and regeneration hole, F ring cavity, G ring cavity and I ring cavity, sealed department is provided with between described second spool bore between each ring cavity and described second plunger bushing, the upside of the opposite side away from other ring cavities and the downside of G ring cavity and the opposite side away from other ring cavities of E ring cavity and E ring cavity that are positioned at the G ring cavity of end is equipped with sealed department,
Described second plunger rod is installed with in described second plunger bushing slidably, one end of described second plunger rod is provided with dismountable second end cap, the other end of described plunger rod offers the second plunger channel extended to the second end cap side at axle center place, the outer wall of described second plunger rod and the inwall of described second plunger bushing form three sections of UNICOM chambeies, epimere UNICOM chamber is followed successively by from described second end cap end, stage casing UNICOM chamber and hypomere UNICOM chamber, described epimere UNICOM chamber and described second plunger channel UNICOM, interior sealed department is provided with between described stage casing UNICOM chamber and described hypomere UNICOM chamber, the plunger rod of the both sides of described interior sealed department is equipped with sealed step, the sealed step being positioned at stage casing UNICOM chamber is stage casing sealing station, the sealed step being positioned at hypomere UNICOM chamber is hypomere sealing station, form stage casing between the inwall of described stage casing sealing station and hypomere sealing station and described second plunger bushing respectively to seal and hypomere seals, one end relative with hypomere sealing station and described second plunger rod are provided with interior sealed department away from one end of described second end cap,
When described second plunger rod is in upper level position, stage casing sealing is in sealing state, and hypomere sealing is in misaligned state, described hypomere UNICOM chamber UNICOM G crosspassage and describedly regenerate UNICOM; When described second plunger rod is in low order position, stage casing sealing is in misaligned state, and hypomere sealing is in sealing state, E crosspassage and F crosspassage described in chamber UNICOM of described stage casing UNICOM.
Further, described A crosspassage comprises A1 section in the relative position being arranged on described first spool bore hole wall and A3 section, wherein A3 section and described second vertical passage UNICOM;
Described B crosspassage comprises B1 section on the relative position being arranged on described first spool bore hole wall and B3 section, wherein B3 section and described 3rd vertical passage UNICOM;
Described C crosspassage comprises C1 section on the relative position being arranged on described first spool bore hole wall and C3 section, wherein C3 section and described first vertical passage UNICOM;
Described D crosspassage comprises D1 section on the relative position being arranged on shown first spool bore hole wall and D3 section, wherein D3 section and described second vertical passage UNICOM;
Described E crosspassage comprises E1 section on the relative position being arranged on described second spool bore hole wall and E3 section, wherein E3 and described first vertical passage UNICOM;
Described F crosspassage comprises F1 section on the relative position being arranged on described second spool bore hole wall and F3 section, wherein F3 section and described 3rd vertical passage UNICOM;
Described G crosspassage comprises G1 section on the relative position being arranged on described second spool bore hole wall and G3 section, wherein G3 section and described second vertical passage UNICOM.
Further, described A1 section, B1 section, C1 section and D1 section are all arranged on the half side hole wall of first spool bore at described inlet hole place, described A1 section, D1 section, inlet hole, the axis of the first spool bore and the second spool bore is parallel to each other and coplanar, described A1 section and D1 section lay respectively at the both sides up and down of described inlet hole, described B1 section and C1 section lay respectively at described A1 section, the both sides of D1 section and inlet hole place straight line, described B1 section is positioned between described A1 section and described inlet hole, described B1 section is near a side at described N air outlet hole place, described C1 section is positioned on the hole wall between described inlet hole and described D1 section, C1 section is near a side at described M air outlet hole place,
Described E1 section, F1 section and G1 section are all arranged on the half side hole wall of second spool bore at place, described regeneration hole, described regeneration hole is all parallel with the axle of described second spool bore with described first spool bore with the straight line at described G1 section place, described G1 hole is positioned at the below in described regeneration hole, described E1 section and F1 section are separately positioned on the both sides of regeneration hole and described G3 section place straight line, and described F1 is positioned at the top in described regeneration hole, described F1 section is near a side at described N air outlet hole place, described E1 hole is positioned at the top in described F1 hole, described E1 section is near a side at described M air outlet hole place,
Described D1 section and described G1 section distribute along the plane symmetry at the first vertical passage, the second vertical passage and the 3rd vertical passage three axis place, described inlet hole and described regeneration hole distribute along the plane symmetry at the first vertical passage, the second vertical passage and the 3rd vertical passage three axis place, and described B1 section and described F1 section distribute along the plane symmetry at the first vertical passage, the second vertical passage and the 3rd vertical passage three axis place.
Further, described first plunger bushing is docked successively by the first upper segment column plug sleeve, the first stage casing plunger bushing and the first lower end plunger bushing and forms, described first upper segment column plug sleeve is provided with the first epimere threaded joints away from one end of described first stage casing plunger bushing, described first hypomere plunger bushing is provided with the first epimere threaded joints away from one end of described first stage casing plunger bushing, and described first plunger bushing is fixedly installed in described first spool bore by described first epimere threaded joints and described first epimere threaded joints, described first upper segment column plug sleeve is provided with two for installing the seal groove of O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, form described A ring cavity between the cell wall of described annular groove and the inwall of described first spool bore, the cell wall of described annular groove is provided with A2 through hole, the interface that described first stage casing plunger bushing and described first upper segment column plug sleeve and described first hypomere plunger bushing connect is provided with projection, the plunger bushing outer wall of the joint of described first stage casing plunger bushing and described first upper segment column plug sleeve and the inwall of described first spool bore form described B ring cavity, the joint of described first stage casing plunger bushing and described first upper segment column plug sleeve forms B2 circumferential weld, the plunger bushing outer wall of the joint of described first stage casing plunger bushing and described first hypomere plunger bushing and the inwall of described first spool bore form described C ring cavity, the joint C3 circumferential weld of described first stage casing plunger bushing and described first hypomere plunger bushing, described first stage casing plunger bushing is provided with two for installing the seal groove of O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, described H ring cavity is formed between the cell wall of described annular groove and the inwall of described first spool bore, the H2 through hole that the cell wall of described annular groove is established, described first hypomere plunger bushing is provided with two for installing the seal groove of O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, form described D ring cavity between the cell wall of described annular groove and the inwall of described first spool bore, the cell wall of described annular groove is provided with D2 through hole,
When described first plunger rod is in a high position, A2 through hole described in described second chamber UNICOM of UNICOM, i.e. A crosspassage described in described second chamber UNICOM of UNICOM, B2 circumferential weld and described H2 through hole described in described 3rd chamber UNICOM of UNICOM, i.e. described B crosspassage and described inlet hole UNICOM, C2 circumferential weld and described D2 through hole described in described tetrad cavity UNICOM, i.e. described C crosspassage and described D crosspassage UNICOM; When described first plunger rod is in low level, A2 through hole and B2 circumferential weld described in described second chamber UNICOM of UNICOM, i.e. described A crosspassage and described B crosspassage UNICOM, H2 through hole and described C2 circumferential weld described in described 3rd chamber UNICOM of UNICOM, i.e. described inlet hole and described C crosspassage UNICOM;
Described second plunger bushing is docked successively by described second upper segment column plug sleeve, the second stage casing plunger bushing and the second hypomere plunger bushing and forms, described second upper segment column plug sleeve is provided with the second epimere threaded joints away from one end of described second stage casing plunger bushing, described second hypomere plunger bushing is provided with the second hypomere threaded joints away from one end of described second stage casing plunger bushing, and described second plunger bushing is fixed in described second spool bore by described second epimere threaded joints and described second hypomere threaded joints, described second upper segment column plug sleeve is circumferentially with epimere inner seal ring with the inwall of one end that described second stage casing plunger bushing docks, described epimere inner seal ring and described stage casing sealing station form described stage casing and seal, described second upper segment column plug sleeve outer wall is provided with two for installing the seal groove of seal ring, annular groove is provided with between two described seal grooves, the cell wall of described annular groove and the inwall of described second spool bore form described E ring cavity, and the cell wall of described annular groove is provided with E2 through hole, described F ring cavity is formed between the outer wall of plunger bushing of described second stage casing plunger bushing and described second upper segment column plug sleeve joint and the inwall of described second spool bore, the end face that described second stage casing plunger bushing docks with described second upper segment column plug sleeve is provided with F2 perps, described second segment plunger bushing is provided with the seal groove for installing seal ring near the side outer wall of described second upper segment column plug sleeve, one end that described second stage casing plunger bushing docks with described second hypomere plunger bushing and form described I ring cavity between the plunger bushing of hypomere and the inwall of described second spool bore, the plunger bushing at described I ring cavity place is provided with I2 through hole, described second hypomere plunger bushing is provided with hypomere inner seal ring with the inwall of one end that described second stage casing plunger bushing docks, described hypomere inner seal ring and described hypomere sealing station form described hypomere and seal, the outer wall of the described second hypomere plunger bushing between described hypomere threaded joints and described second stage casing plunger bushing hypomere is provided with two for installing the seal groove of seal ring, annular groove is provided with between two seal grooves, form described G ring cavity between the cell wall of described annular groove and the inwall of described second spool bore, the cell wall of described annular groove is provided with G2 through hole,
When described second plunger rod is in upper level position, described epimere inner seal ring and described stage casing sealing station form described stage casing and seal, described hypomere inner seal ring is separated with described hypomere sealing station, described G2 through hole and I2 through hole by chamber UNICOM of described hypomere UNICOM, i.e. G crosspassage and describedly regenerate UNICOM; When described second plunger rod is in low order position, described epimere inner seal ring is separated with described stage casing sealing station, described hypomere inner seal ring and described hypomere sealing station form hypomere and seal, E2 through hole and F2 perps, the i.e. UNICOM of E crosspassage and F crosspassage described in chamber UNICOM of described stage casing UNICOM.
Further, this combined directional valve also comprises upper cover, lower cover and joint, and described upper cover capping is near the valve end of described first plunger end cap and the second plunger end cap side, and described upper cover is connected by joint with described valve body; Described lower cover is sealed on the other end of described valve body, and described lower cover is connected by joint with described valve body.
Further, the first level and smooth chamber and the second level and smooth chamber is respectively equipped with in side first spool bore and the second spool bore of described upper cover, the side be connected with the described first level and smooth chamber is provided with the screw thread coordinated with described first epimere threaded joints, and the side be connected with the described second level and smooth chamber is provided with the screw thread coordinated with described second epimere threaded joints; The screw thread coordinated with described first hypomere threaded joints and the second hypomere threaded joints is respectively arranged with near the first spool bore of described lower cover and the port of the second spool bore.
Beneficial effect of the present invention is: the working principle of drying system of the present invention is normal temperature, pressure adsorption (loading dry), normal temperature, normal pressure desorption (regeneration), 1. the first plunger rod is positioned at low level, second plunger rod is positioned at a high position, realizes I tower adsorb II tower regeneration by the passage of valve inner; 2. then switch the second plunger rod and become low level from a high position, realize I tower, II tower is all pressed; 3. switch the first plunger rod again and become high-order from low level, continue to realize I tower, II tower is all pressed; 4. switch the second plunger again and become a high position from low level, realize I tower and regenerate II tower absorption; 5. switch the second plunger again and become low level from a high position, realize I tower, II tower is all pressed; 6. switch the first plunger again and become low level from a high position, continue to realize I tower, II tower is all pressed; 7. switch the second plunger again and become a high position from low level, realize initial I tower and adsorb II tower regeneration; So circulate successively, absorption drier is normally worked, the present invention realizes the switching of different passage by the combination of the first plunger and the second plunger high-low-position and switching, not only replace the function of original four valves, have that structure is simple, easy to operate, turn around time is short, swift advantage simultaneously, simple to operate, action is accurate, automaticity is high, working stability is reliable.
Accompanying drawing explanation
Fig. 1 is the right elevation of valve body in combined directional valve of the present invention.
Fig. 2 is the plan view of valve body in combined directional valve of the present invention.
Fig. 3 is the left view of valve body in combined directional valve of the present invention.
Fig. 4 is valve body F-F sectional view in combined directional valve of the present invention.
Fig. 5 is the A-A sectional view of valve body in combined directional valve of the present invention.
Fig. 6 is the B-B sectional view of valve body in combined directional valve of the present invention.
Fig. 7 is the C-C sectional view of valve body in combined directional valve of the present invention.
Fig. 8 is the D-D sectional view of valve body in combined directional valve of the present invention.
Fig. 9 is the structural representation of the workflow 1 of drying system of the present invention.
Figure 10 is the structural representation of the workflow 2 of drying system of the present invention.
Figure 11 is the structural representation of the workflow 3 of drying system of the present invention.
Figure 12 is the structural representation of the workflow 4 of drying system of the present invention.
Figure 13 is the structural representation of the workflow 5 of drying system of the present invention.
Figure 14 is the structural representation of the workflow 6 of drying system of the present invention.
Figure 15 is the structural representation of the second plunger rod of the present invention.
Figure 16 is the structural representation of the first plunger rod of the present invention.
Figure 17 is the structural representation of the second plunger bushing of the present invention.
Figure 18 is the structural representation of the first plunger bushing of the present invention.
Figure 19 is the stereogram of valve body of the present invention.
Figure 20 is the fundamental diagram of the drying system containing combined directional valve of the present invention.
In figure, the implication of label symbol is as follows:
1-combined directional valve, 2-baffler, 3-controller, 4-air inlet system, 5-air-out apparatus
6-upper piping 7-I tower 8-II tower
10-valve body 11-the first spool bore 12-the second spool bore, 13-inlet hole
131-H ring cavity, 132-H3 section, 14-regeneration hole, 141-I ring cavity, 142-I3 section
15-M air outlet hole, 16-N air outlet hole, 15-M air outlet hole, 16-N regenerates hole
17-upper cover, 18-lower cover
20-communication passage 21-the first vertical passage 22-the second vertical passage
23-the three vertical passage
31-A crosspassage, 311-A1 section, 312-A ring cavity, 313-A3 section, 314-A2 through hole
32-B crosspassage, 321-B1 section, 322-B ring cavity, 323-B3 section, 324-B2 circumferential weld
33-C crosspassage, 331-C1 section, 332-C ring cavity, 333-C3 section, 334-C2 circumferential weld
34-D crosspassage, 341-D1 section, 342-D ring cavity, 343-D3 section, 344-D2 through hole
35-E crosspassage, 351-E1 section, 352-E ring cavity, 353-E3 section, 354-E2 through hole
36-F crosspassage, 361-F1 section, 362-F ring cavity, 363-F3 section, 364-F2 perps
37-G crosspassage, 371-G1 section, 372-G ring cavity, 373-G3 section, 374-G2 through hole
41-the first plunger bushing 411-the first upper segment column plug sleeve 412-the first stage casing plunger bushing
413-the first hypomere plunger bushing 414-the first epimere threaded joints
415-the first hypomere threaded joints
42-the second plunger bushing 421-the second upper segment column plug sleeve 422-the second stage casing plunger portion
423-the second hypomere plunger portion 424-the second epimere threaded joints
425-the second hypomere threaded joints 426-sealed department 427-epimere inner seal ring
428-hypomere inner seal ring
51-the first plunger rod 511-the first end cap 512-the first plunger channel
513-the first chamber 515-the second UNICOM of plunger hole 514-the first UNICOM chamber
516-the three UNICOM chamber 517-the tetrad cavity 518-interior sealed department
52-the second plunger rod 521-the second end cap 522-the second plunger channel
523-the second plunger hole 524-stage casing sealed step 525-hypomere sealed step
Chamber 528-hypomere UNICOM of 526-epimere UNICOM chamber, 527-stage casing UNICOM chamber
60-joint
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.
With reference to shown in Fig. 1 ~ 20, air inlet system 4 should be comprised by drying system containing combined directional valve, air-out apparatus 5, two tower drier I tower drier 7 in parallel and II tower drier 8, baffler 2, upper piping 6, combined directional valve 1, and controller 3, described air inlet system 4 is connected with the inlet hole 13 of described combined directional valve 1, described baffler 73 is connected with the regeneration hole 14 of described combined directional valve 1, M air outlet hole 15 and the N air outlet hole 16 of described combined directional valve 1 are connected the inlet end of I tower drier 7 and II tower drier 8 respectively, upper piping 6 is connected between the outlet side of described two tower drier, described upper piping 6 connects air-out apparatus 5, described control gear device 3 connects described air inlet system 4 respectively, combined directional valve 1, upper piping 6 and air-out apparatus 5, for controlling described air inlet system 4, combined directional valve 1, upper piping 6 and air-out apparatus 5 realize described I tower drier 7 and II tower drier 8 alternation,
As shown in figure 19, described combined directional valve 1, comprises valve body 10 and spool, and valve body 10 is provided with spool bore, communication passage 20, joint 60;
As shown in Figure 2, described spool bore comprises the first spool bore 11 and the second spool bore 12, described first spool bore 11 and described second spool bore 12 are arranged side by side on described valve body 10, described first spool bore 11 and the second spool bore 12 are hollow cylinders, inside there is the space of accommodating described spool, the axis of described first spool bore 11 and described second spool bore 12 is longitudinally, and the UNICOM direction of described first spool bore 11 and the second spool bore 12 is laterally;
As shown in Figures 1 to 3, described valve body 10 is provided with inlet hole 13 and regeneration hole 14, the relative both sides end face of what described inlet hole 13 was relative with described regeneration hole 14 be divided into described valve body 10, described inlet hole 13 is connected with described first spool bore 11, described regeneration hole 14 is connected with described second spool bore 12, on described valve body 10 with described inlet hole 13 and regenerate the end face at place, hole 14 adjacent and with the parallel plane bi-side, axle place of described first spool bore 11 and the second spool bore 12 on be respectively equipped with M air outlet hole 15 and N air outlet hole 16, described inlet hole 13, regeneration hole 14, M air outlet hole 15 and N air outlet hole 16 are positioned on same cross section,
As shown in Fig. 4 ~ 8, described communication passage 20 is respectively the first vertical passage 21, second vertical passage 22 and the 3rd vertical passage 23, described communication passage 20 is hollow cylinder, the valve body 10 that described communication passage 20 is arranged side by side between described first spool bore 11 and the second spool bore 12 is inner, the orientation of described communication passage 20 and the orientation of described spool bore are cross distribution, described M air outlet hole and described first vertical passage 21 UNICOM, described N air outlet hole the 3rd vertical passage 23 UNICOM;
As shown in Fig. 2,5 ~ 8, described first spool bore 11 is provided with A crosspassage 31, B crosspassage 32, C crosspassage 33 and D crosspassage 34, described A crosspassage 31 and described second vertical passage 22 UNICOM, described B crosspassage 32 and described 3rd vertical passage 23 UNICOM, described C crosspassage 33 and described first vertical passage 21 UNICOM, described D crosspassage 34 and described second vertical passage 22 UNICOM;
As shown in Fig. 2,5 ~ 8, described second spool bore 12 is provided with E crosspassage 35, F crosspassage 36 and G crosspassage 37, described E crosspassage 35 and described first vertical passage 21 UNICOM, described F crosspassage 36 and described 3rd vertical passage 23 UNICOM, described G crosspassage 37 and described second vertical passage 22 UNICOM;
As shown in Figure 5, described A crosspassage 31 comprises A1 section 311 in the relative position being arranged on described first spool bore 11 hole wall and A3 section 313, wherein A3 section 313 and described second vertical passage 22 UNICOM;
As shown in Figure 6, described B crosspassage 32 comprises B1 section 321 on the relative position being arranged on described first spool bore 11 hole wall and B3 section 323, wherein B3 section 323 and described 3rd vertical passage 23 UNICOM;
As shown in Figure 7, described C crosspassage 33 comprises C1 section 331 on the relative position being arranged on described first spool bore 11 hole wall and C3 section 333, wherein C3 section 333 and described first vertical passage 21 UNICOM;
As shown in Figure 8, described D crosspassage 34 comprises D1 section 341 on the relative position being arranged on shown first spool bore 11 hole wall and D3 section 343, wherein D3 section 343 and described second vertical passage 22 UNICOM;
As shown in Figure 5, described E crosspassage 35 comprises E1 section 351 on the relative position being arranged on described second spool bore 12 hole wall and E3 section 353, wherein E3 and described first vertical passage 21 UNICOM;
As shown in Figure 6, described F crosspassage 36 comprises F1 section 361 on the relative position being arranged on described second spool bore 12 hole wall and F3 section 363, wherein F3 section 363 and described 3rd vertical passage 23 UNICOM;
As shown in Figure 8, described G crosspassage 37 comprises G1 section 371 on the relative position being arranged on described second spool bore 12 hole wall and G3 section 373, wherein G3 section 373 and described second vertical passage 22 UNICOM;
As Fig. 1, shown in 5 ~ 8, described A1 section 311, B1 section 321, C1 section 331 and D1 section 341 are all arranged on the half side hole wall of first spool bore 11 at described inlet hole 13 place, described A1 section 311, D1 section 341 and the axis of inlet hole 13 and the axis of described first spool bore 11 all parallel and coplanar with the axis of described second spool bore 12, described A1 section 311 and D1 section 341 lay respectively at the both sides up and down of described inlet hole 13, described B1 section 321 and C1 section 331 lay respectively at described A1 section 311, the both sides of D1 section 341 and inlet hole 13 place straight line, described B1 section 321 is between described A1 section 311 and described inlet hole 13, described B1 section 321 is near a side at described N air outlet hole place, on the hole wall of described C1 section 331 between described inlet hole 13 and described D1 section 341, C1 section 331 is near a side at described M air outlet hole place,
As Fig. 3, shown in 5 ~ 8, described E1 section 351, F1 section 361 and G1 section 371 are all arranged on the half side hole wall of second spool bore 12 at place, described regeneration hole 14, described regeneration hole 14 is all parallel with the axle of described second spool bore 12 with described first spool bore 11 with the straight line at described G1 section 371 place, described G1 hole is positioned at the below in described regeneration hole 14, described E1 section 351 and F1 section 361 are separately positioned on the both sides of regeneration hole 14 and described G3 section 373 place straight line, and described F1 is positioned at the top in described regeneration hole 14, described F1 section 361 is near a side at described N air outlet hole 16 place, described E1 hole is positioned at the top in described F1 hole, described E1 section 351 is near a side at described M air outlet hole 15 place,
As shown in Figure 8, described D1 section 341 distributes with the plane symmetry of described G1 section 371 along the first vertical passage 21, second vertical passage 22 and the 3rd vertical passage 23 three's axis place; As shown in Figures 1 to 3, described inlet hole 13 distributes with the plane symmetry of described regeneration hole 14 along the first vertical passage 21, second vertical passage 22 and the 3rd vertical passage 23 three's axis place; As shown in Figure 6, described B1 section 321 distributes with the plane symmetry of described F1 section 361 along the first vertical passage 21, second vertical passage 22 and the 3rd vertical passage 23 three's axis place.
As Figure 18, shown in 9 ~ 14, described first plunger bushing 41 is by the first upper segment column plug sleeve 411, first stage casing plunger bushing 412 and the first hypomere plunger bushing 413 dock composition successively, described first upper segment column plug sleeve 411 is provided with the first epimere threaded joints 414 away from one end of described first stage casing plunger bushing 412, described first hypomere plunger bushing 413 is provided with the first hypomere threaded joints 415 away from one end of described first stage casing plunger bushing 412, described first plunger bushing 41 is fixedly installed in described first spool bore 11 by described first epimere threaded joints 414 and described first hypomere threaded joints 415, described first upper segment column plug sleeve 411 is provided with two sealed departments 426, described sealed department 426 comprises the seal groove for installing O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, A ring cavity 312 is formed between the cell wall of described annular groove and the inwall of described first spool bore 11, the cell wall of described annular groove is provided with A2 through hole 314, and described A2 through hole 314 has four and is circumferentially uniformly distributed on the cell wall of described annular groove, the interface that described first stage casing plunger bushing 412 and described first upper segment column plug sleeve 411 and described first hypomere plunger bushing 413 connect is equipped with projection, the plunger bushing outer wall of joint and the inwall of described first spool bore 11 of described first stage casing plunger bushing 412 and described first upper segment column plug sleeve 411 form B ring cavity 322, described first stage casing plunger bushing 412 forms B2 circumferential weld 324 with the joint of described first upper segment column plug sleeve 411, the plunger bushing outer wall of joint and the inwall of described first spool bore 11 of described first stage casing plunger bushing 412 and described first hypomere plunger bushing 413 form C ring cavity 332, the joint C3 circumferential weld of described first stage casing plunger bushing 412 and described first hypomere plunger bushing 413, described first stage casing plunger bushing 412 is provided with two sealed departments 426, described sealed department 426 comprises the seal groove for installing O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, H ring cavity 131131 is formed between the cell wall of described annular groove and the inwall of described first spool bore 11, the H2 through hole 132 that the cell wall of described annular groove is established, described H2 through hole 132 has four and is circumferentially uniformly distributed on the cell wall of described annular groove, described first hypomere plunger bushing 413 is provided with two sealed departments 426, described sealed department 426 comprises the seal groove for installing O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, D ring cavity 342 is formed between the cell wall of described annular groove and the inwall of described first spool bore 11, the cell wall of described annular groove is provided with D2 through hole 344, and described D2 through hole 344 has four and is circumferentially uniformly distributed on the cell wall of described annular groove,
As Figure 16, shown in 9 ~ 14, described first plunger rod 51 is slidably installed in described first plunger bushing 41, described first plunger rod 51 is provided with the first end cap 511 near one end of described upper segment column plug sleeve, the axle center place of the other end of described first plunger rod 51 offers the first plunger channel 512 extended to described first end cap 511 side, described first plunger rod 51 is provided with four interior sealed departments 518, described interior sealed department 518 comprises the circular groove for installing seal ring, described circular groove two side forms boss, sealed department in first is formed successively from described first end cap end, sealed department in second, sealed department in 3rd, sealed department in 4th, in described 4th, sealed department is positioned at described first plunger rod 51 one end away from described first end cap 511, the first UNICOM chamber 514 is formed between the plunger rod outer wall of sealed member and described first plunger bushing 41 inwall in described first end cap 511 and described first, the second UNICOM chamber 515 is formed successively between adjacent interior sealed department 518, 3rd UNICOM chamber 516 and tetrad cavity 517, described first plunger channel 512 extends to the first UNICOM chamber 514, the end face in the first UNICOM chamber 514 is provided with the first UNICOM chamber 514 described in the first plunger hole 513 UNICOM and described first plunger channel 512,
As shown in Figure 11 ~ 13, when described first plunger rod 51 is in a high position, A2 through hole 314 described in described second UNICOM chamber 515 UNICOM, i.e. A crosspassage 31 described in described second UNICOM chamber 515 UNICOM, B2 circumferential weld 324 and described H2 through hole 132 described in described 3rd UNICOM chamber 516 UNICOM, i.e. described B crosspassage 32 and described inlet hole 13 UNICOM, C2 circumferential weld 334 and described D2 through hole 344 described in described tetrad cavity 517 UNICOM, i.e. described C crosspassage 33 and described D crosspassage 34 UNICOM; As shown in Fig. 9,10,14, when described first plunger rod 51 is in low level, A2 through hole 314 and B2 circumferential weld 324 described in described second UNICOM chamber 515 UNICOM, i.e. described A crosspassage 31 and described B crosspassage 32 UNICOM, H2 through hole 132 and described C2 circumferential weld 334 described in described 3rd UNICOM chamber 516 UNICOM, i.e. described inlet hole 13 and described C crosspassage 33 UNICOM;
As Figure 17, shown in 9 ~ 14, described second plunger bushing 42 is by described second upper segment column plug sleeve 421, second stage casing plunger bushing 422 and the second hypomere plunger bushing 423 dock successively and form, described second upper segment column plug sleeve 421 is provided with the second epimere threaded joints 424 away from one end of described second stage casing plunger bushing 422, described second hypomere plunger bushing 423 is provided with the second hypomere threaded joints 425 away from one end of described second stage casing plunger bushing 422, described second plunger bushing 42 is fixed in described second spool bore 12 by described second epimere threaded joints 424 and described second hypomere threaded joints 425, described second upper segment column plug sleeve 421 is circumferentially with epimere inner seal ring 427 with the inwall of one end that described second stage casing plunger bushing 422 docks, described epimere inner seal ring 427 forms described stage casing with described stage casing sealing station 524 and seals, described second upper segment column plug sleeve 421 outer wall is provided with two sealed departments 426, described sealed department 426 comprises the seal groove for installing seal ring, annular groove is provided with between two described seal grooves, the cell wall of described annular groove and the inwall of described second spool bore 12 form E ring cavity 352, the cell wall of described annular groove is provided with E2 through hole 354, described E2 through hole 354 has four and is circumferentially uniformly distributed on the cell wall of described annular groove, F ring cavity 362 is formed between the outer wall of the plunger bushing of described second stage casing plunger bushing 422 and described second upper segment column plug sleeve 421 joint and the inwall of described second spool bore 12, the end face that described second stage casing plunger bushing 422 docks with described second upper segment column plug sleeve 421 is provided with F2 perps 364, described F2 perps 364 has four and is uniformly distributed on the end face of described second stage casing plunger bushing 422, described second segment plunger bushing is provided with sealed department 426 near the side outer wall of described second upper segment column plug sleeve 421, described sealed department 426 comprises the seal groove for installing seal ring, I ring cavity 141 is formed between the plunger bushing of one end that described second stage casing plunger bushing 422 docks with described second hypomere plunger bushing 423 and hypomere and the inwall of described second spool bore 12, the plunger bushing at described I ring cavity 141 place is provided with I2 through hole 142, described I2 through hole 142 and the described regeneration hole corresponding UNICOM of 14I, described second hypomere plunger bushing 423 is provided with hypomere inner seal ring 428 with the inwall of one end that described second stage casing plunger bushing 422 docks, described hypomere inner seal ring 428 forms hypomere with the hypomere sealing station 525 be arranged on the second plunger rod 52 and seals, the outer wall of the described second hypomere plunger bushing 423 between described hypomere threaded joints and described second stage casing plunger bushing 422 hypomere is provided with two sealed departments 426, described sealed department 426 comprises the seal groove for installing seal ring, annular groove is provided with between two seal grooves, G ring cavity 372 is formed between the cell wall of described annular groove and the inwall of described second spool bore 12, the cell wall of described annular groove is provided with G2 through hole 374, described G2 through hole 374 has four and is circumferentially uniformly distributed on the cell wall of described annular groove,
As Figure 15, shown in 9 ~ 14, described second plunger rod 52 is installed with in described second plunger bushing 42 slidably, one end of described second plunger rod 52 is provided with dismountable second end cap 521, the other end of described plunger rod offers the second plunger channel 522 extended to the second end cap 521 side at axle center place, the outer wall of described second plunger rod 52 and the inwall of described second plunger bushing 42 form three sections of UNICOM chambeies, epimere UNICOM chamber 526 is followed successively by from described second end cap 521 end, stage casing UNICOM chamber 527 and hypomere UNICOM chamber 528, the plunger rod at place, described epimere UNICOM chamber 526 is provided with the second plunger hole 523 and described second plunger channel 522 UNICOM, interior sealed department 518 is provided with between described stage casing UNICOM chamber 527 and described hypomere UNICOM chamber 528, described interior sealed department 518 comprises the circular groove for installing O-ring seal, the cell wall of described circular groove both sides forms projection, the plunger rod of described circular groove both sides projection is equipped with sealed step, the sealed step being positioned at stage casing UNICOM chamber 527 is stage casing sealing station 524, the sealed step being positioned at hypomere UNICOM chamber 528 is hypomere sealing station 525, form stage casing between the inwall of described stage casing sealing station 524 and hypomere sealing station 525 and described second plunger bushing 42 respectively to seal and hypomere seals, one end relative with hypomere sealing station 525 and described second plunger rod 52 are provided with interior sealed department 518 away from one end of described second end cap 521,
As shown in Fig. 9,12, when described second plunger rod 52 is in upper level position, described epimere inner seal ring 427 forms described stage casing with described stage casing sealing station 524 and seals, described hypomere inner seal ring 428 is separated with described hypomere sealing station 525, described G2 through hole 374 and I2 through hole 142 are by chamber 528 UNICOM of described hypomere UNICOM, and namely G crosspassage 37 regenerates UNICOM with described; As shown in Figure 10,11,13,14, when described second plunger rod 52 is in low order position, described epimere inner seal ring 427 is separated with described stage casing sealing station 524, described hypomere inner seal ring 428 forms hypomere with described hypomere sealing station 525 and seals, E2 through hole 354 and F2 through hole, the i.e. UNICOM of E crosspassage 35 and F crosspassage 36 described in chamber 527 UNICOM of described stage casing UNICOM.
As shown in Fig. 9,19, this combined directional valve also comprises upper cover 17, lower cover 18 and joint 60, the capping of described upper cover 17 is near valve body 10 end of described first plunger end cap 511 and the second plunger end cap 521 side, and described lower cover 18 is sealed on the other end of described valve body 10; Described joint 60 is for arranging the threaded connection hole of valve body 10 both side ends, described upper cover 17 and lower cover 18 are also provided with the attachment hole wanting with described threaded connection hole to mate, by bolt, described upper cover 17 are connected with the both ends of the surface capping of described valve body 10 respectively with lower cover 18.
Install for the ease of processing and the diameter of the first spool bore 11 is become identical with the diameter design of described second spool bore 12, the first level and smooth chamber and the second level and smooth chamber is respectively equipped with in side first spool bore 11 and the second spool bore 12 of described upper cover 17, described first end cap 511 and the described first level and smooth chamber fit between face and are provided with a circle seal section, described first end cap 511 is slidably with in described flat cylindrical wall chamber, the face that described second end cap 521 and the described second level and smooth chamber fit is provided with a circle seal ring, described second end cap 521 is slidably located in described flat cylindrical wall chamber, the side be connected with the described first level and smooth chamber is provided with the screw thread coordinated with described first epimere threaded joints 414, and the side be connected with the described second level and smooth chamber is provided with the screw thread coordinated with described second epimere threaded joints 424, the screw thread coordinated with described first hypomere threaded joints 415 and the second hypomere threaded joints 425 is respectively arranged with near the first spool bore of described lower cover 18 and the port of the second spool bore.
Shown in accompanying drawing 9 to 14, the working procedure of the drying system containing combined directional valve of the present invention is as follows:
Flow process 1: I tower 7 adsorbs, and II tower 6 regenerates
As shown in Figure 9, first plunger rod 51 be in low level simultaneously the second plunger rod 52 be in a high position, 3rd UNICOM chamber 516 UNICOM inlet hole 13 and C crosspassage 33, now pressurized gas enter from inlet hole 13, C crosspassage 33 is flowed into through the 3rd UNICOM chamber 516, C crosspassage 33 and the first vertical passage 21 UNICOM, the gas flowing into C crosspassage 33 enters the first vertical passage 21, first vertical passage 21 and air outlet hole UNICOM, the gas flowing into the first vertical passage 21 flows out from M air outlet hole 15, flow into I tower 7;
Simultaneously, regeneration gas flows into valve body 10 through II tower 8 from N air outlet hole 16, 3rd vertical passage 23 UNICOM N air outlet hole and B crosspassage 32, gas is through the 3rd vertical passage 23, enter B crosspassage 32, second UNICOM chamber 515 UNICOM B crosspassage 32 and A crosspassage 31, the gas entering B crosspassage 32 flows into A crosspassage 31 through the second UNICOM chamber 515, A crosspassage 31 and the second vertical passage 22 UNICOM, the gas entering A crosspassage 31 flows into the second vertical passage 22, second vertical passage 22 UNICOM G crosspassage 37, the gas entering the second vertical passage 22 flows into G crosspassage 37, hypomere UNICOM chamber 528 UNICOM G crosspassage 37 and regeneration hole 14I, the gas entering G crosspassage 37 flows into regeneration hole 14 through hypomere UNICOM chamber 528, gas flows out from regeneration hole 14I, realize emptying,
Flow process 2: I tower 7 has pressure, and II tower 8 boosts, and regeneration hole 14 stops exhaust (regeneration hole 14 is without gas)
As shown in Figure 10, controller 3 controls the second plunger rod 52 and moves to low level, 3rd UNICOM chamber 516 UNICOM inlet hole 13 and C crosspassage 33, now pressurized gas enter from inlet hole 13, C crosspassage 33 is flowed into through the 3rd UNICOM chamber 516, C crosspassage 33 and the first vertical passage 21 UNICOM, the gas flowing into C crosspassage 33 enters the first vertical passage 21, first vertical passage 21 respectively with air outlet hole and E crosspassage 35 UNICOM, the gas that part gas flows into the first vertical passage 21 flows out from M air outlet hole, flow into I tower, another part gas flows into E crosspassage 35, E crosspassage 35 and F crosspassage 36 are by chamber 527 UNICOM of stage casing UNICOM, regeneration hole 14I does not have gas, the gas flowing into E crosspassage 35 enters F crosspassage 36 through stage casing UNICOM chamber 527, 3rd vertical passage 23 UNICOM F crosspassage 36 and N air outlet hole, the gas flowing into F crosspassage 36 flows into N air outlet hole 16 through the 3rd vertical passage 23, N air outlet hole UNICOM II tower 8, gas enters II tower 8,
Flow process 3: I tower 7 has pressure, and II tower 8 boosts (regeneration hole 14I is without gas)
As shown in figure 11, controller 3 controls the first plunger rod 51 and moves to a high position, 3rd UNICOM chamber 516 UNICOM inlet hole 13 and B crosspassage 32, now pressurized gas enter from inlet hole 13, B crosspassage 32 is flowed into through the 3rd UNICOM chamber 516, 3rd vertical passage 23 UNICOM B crosspassage 32, F crosspassage 36 and N air outlet hole 16, the gas part flowing into B crosspassage 32 flows into N air outlet hole 16, N air outlet hole 16 UNICOM II tower, the gas flowing into N air outlet hole 16 flows into II tower 8, another part gas flowing into B crosspassage 32 flows into F crosspassage 36, stage casing UNICOM chamber 527 UNICOM F crosspassage 36 and E crosspassage 35, the gas flowing into F crosspassage 36 flows into E crosspassage 35, first vertical passage 21 UNICOM E crosspassage 35 and M air outlet hole 15, the gas flowing into E crosspassage 35 flows into M air outlet hole 15, M air outlet hole 15 UNICOM I tower 7, the gas flowing into M air outlet hole 15 enters I tower 7,
Flow process 4: II tower 8 has pressure, and I tower 7 regenerates
As shown in figure 12, controller 3 controls the second plunger rod 51 and moves to a high position, 3rd UNICOM chamber 516 UNICOM B crosspassage 32 and inlet hole 13H, pressurized gas enter inlet hole 13H, flow into B crosspassage the 32, three vertical passage 23 UNICOM UNICOM B crosspassage 32 and N air outlet hole 16 through the 3rd UNICOM chamber 516, the gas flowing into B crosspassage 32 is discharged from N air outlet hole 16 through the 3rd vertical passage 23, N air outlet hole 16 UNICOM II tower 8, enters II tower 8 from N air outlet hole 16 effluent air;
Regeneration gas enters M air outlet hole 15 from I tower 7, first vertical passage 21 UNICOM M air outlet hole 15 and C crosspassage 33, C crosspassage 33 is flowed into through the first vertical passage 21 from N air outlet hole 16 effluent air, tetrad cavity 517 UNICOM C crosspassage 33 and D crosspassage 34, the gas flowing into C crosspassage 33 flows into D crosspassage 34 through tetrad cavity 517, second vertical passage 22 UNICOM D crosspassage 34 and G crosspassage 37, the gas flowing into D crosspassage 34 flows into G crosspassage 37 through the second vertical passage 22, hypomere UNICOM chamber 528 UNICOM G crosspassage 37 and regeneration hole 14, the gas of described inflow G crosspassage 37 flows into regeneration hole 14 through hypomere UNICOM chamber 528, flow out from regeneration hole 14, realize emptying,
Flow process 5: II tower 8 has pressure, and I tower 7 regenerates, and regeneration gas stops exhaust (regeneration hole 14 is without gas)
As shown in figure 13, controller 3 controls the second plunger rod 52 and moves to low level, 3rd UNICOM chamber 516 UNICOM inlet hole 13H and B crosspassage 32, pressurized gas enter from inlet hole 13, B crosspassage 32 is flowed into through the 3rd UNICOM chamber 516,3rd vertical passage 23 UNICOM B crosspassage 32, F crosspassage 36 and N air outlet hole 16, the gas part flowing into B crosspassage 32 flows into N air outlet hole 16 through the 3rd vertical passage 23, N air outlet hole 16 UNICOM II tower 8, flows into II tower 8 from N air outlet hole 16 effluent air; The gas another part flowing into B crosspassage 32 flows into F crosspassage 36 through the 3rd vertical passage 23, stage casing UNICOM chamber 527 UNICOM E crosspassage 35 and F crosspassage 36, the gas flowing into F crosspassage 36 flows into E crosspassage 35 through stage casing UNICOM chamber 527, first vertical passage 21 UNICOM E crosspassage 35 and M air outlet hole 15, the gas flowing into E crosspassage 35 flows out from M air outlet hole 15 through the first vertical passage 21, M air outlet hole 15 UNICOM I tower 7, gas flows into I tower 7;
Flow process 6: II tower 8 has pressure, and I tower 7 has pressure
As shown in figure 14, controller 3 controls the first plunger rod 51 and moves to low level, 3rd UNICOM chamber 516 UNICOM inlet hole 13 and C crosspassage 33, now pressurized gas enter from inlet hole 13, C crosspassage 33 is flowed into through the 3rd UNICOM chamber 516, C crosspassage 33 and the first vertical passage 21 UNICOM, the gas flowing into C crosspassage 33 enters the first vertical passage 21, first vertical passage 21 respectively with air outlet hole and E crosspassage 35 UNICOM, the gas that part gas flows into the first vertical passage 21 flows out from M air outlet hole 15, flow into I tower, another part gas flows into E crosspassage 35, E crosspassage 35 and F crosspassage 36 are by chamber 527 UNICOM of stage casing UNICOM, regeneration hole 14 does not have gas, the gas flowing into E crosspassage 35 enters F crosspassage 36 through stage casing UNICOM chamber 527, 3rd vertical passage 23 UNICOM F crosspassage 36 and N air outlet hole 16, the gas flowing into F crosspassage 36 flows into N air outlet hole 16 through the 3rd vertical passage 23, N air outlet hole 16 UNICOM II tower 8, gas enters II tower 8,
Flow process 6 completes an operation cycle after terminating, and in the continuous periodic duty cycle, continuously can obtain dry gas.

Claims (7)

1. the drying system containing combined directional valve, it is characterized in that: this system comprises air inlet system (4), air-out apparatus (5), two tower drier I tower drier (7) in parallel and II tower drier (8), baffler (2), upper piping (6), combined directional valve (1), and controller (3), described air inlet system (4) is connected with the inlet hole (13) of described combined directional valve (1), described baffler (2) is connected with the regeneration hole (14) of described combined directional valve (1), M air outlet hole (15) and the N air outlet hole (16) of described combined directional valve (1) are connected the inlet end of I tower drier (7) and II tower drier (8) respectively, upper piping (6) is connected between the outlet side of described two tower drier, described upper piping (6) connects air-out apparatus (5), described controller (3) connects described combined directional valve (1), station is switched to realize described I tower drier (7) and II tower drier (8) alternation for controlling described combined directional valve (1),
Described combined directional valve (1) comprises valve body (10) and spool, and described valve body (10) is provided with spool bore, communication passage (20),
Described spool bore comprises the first spool bore (11) and the second spool bore (12), and described first spool bore (11) and described second spool bore (12) are arranged side by side on described valve body (10); Described first spool bore (11) and described second spool bore (12) are hollow cylinders, inside have the space of accommodating described spool;
Described valve body (10) is provided with inlet hole (13) and regeneration hole (14), described inlet hole (13) and described regeneration hole (14) are divided on the both sides end face of described valve body (10), described inlet hole (13) and described first spool bore (11) UNICOM, described regeneration hole (14) and described second spool bore (12) UNICOM;
Described communication passage (20) comprises and being arranged in order, the first vertical passage (21) that axis is parallel to each other and coplanar, second vertical passage (22) and the 3rd vertical passage (23), the valve body (10) that described communication passage (20) is arranged between described first spool bore (11) and described second spool bore (12) is inner, described valve body (10) is also provided with M air outlet hole (15) and N air outlet hole (16), described M air outlet hole (15) and described first vertical passage (21) UNICOM, described N air outlet hole (16) and described 3rd vertical passage (23) UNICOM,
Described first spool bore (11) is provided with A crosspassage (31), B crosspassage (32), C crosspassage (33) and D crosspassage (34) from top to bottom, described A crosspassage (31) and described second vertical passage (22) UNICOM, described B crosspassage (32) and described 3rd vertical passage (23) UNICOM, described C crosspassage (33) and described first vertical passage (21) UNICOM, described D crosspassage (34) and described second vertical passage (22) UNICOM;
Described second spool bore (12) is provided with E crosspassage (35), F crosspassage (36) and G crosspassage (37), described E crosspassage (35) and described first vertical passage (21) UNICOM, described F crosspassage (36) and described 3rd vertical passage (23) UNICOM, described G crosspassage (37) and described second vertical passage (22) UNICOM;
Described spool comprises the first plunger portion and the second plunger portion, and described first plunger portion is installed in described first spool bore (11), and described second plunger portion is installed in described second spool bore (12);
Described first plunger portion comprises the first plunger rod (51) and the first plunger bushing (41), described first plunger bushing (41) is fixedly installed in described first spool bore (11), and described first plunger bushing (41) is provided with the passage being respectively used to A crosspassage (31) described in UNICOM, B crosspassage (32), C crosspassage (33), D crosspassage (34) and inlet hole (13), described first plunger rod (51) is slidably mounted in described first plunger bushing (41), the outer wall of described first plunger rod (51) and the inside of described first plunger bushing (41) form UNICOM chamber, when described first plunger rod (51) is in a high position, described B crosspassage (32) and inlet hole (13) UNICOM, described C crosspassage (33) and described D crosspassage (34) UNICOM, when described first plunger rod (51) is in low level, described A crosspassage (31) and B crosspassage (32) UNICOM, described inlet hole (13) and described C crosspassage (33) UNICOM,
Described second plunger portion comprises the second plunger bushing (42) and the second plunger rod (52), described second plunger bushing (42) is fixed in described second spool bore (12), described second plunger bushing (42) is provided with and is respectively used to E crosspassage (35) described in UNICOM, F crosspassage (36), the passage of G crosspassage (37) and regeneration hole (14), described second plunger rod (52) is installed with in described second plunger bushing (42) slidably, UNICOM chamber is formed between the outer wall of described second plunger rod (52) and the inwall of described second plunger bushing (42), when described plunger rod is in a high position, G crosspassage (37) described in chamber UNICOM of described UNICOM and regeneration hole (14), when described plunger rod is in low level, E crosspassage (35) described in chamber UNICOM of described UNICOM and F crosspassage (36).
2. the drying system containing combined directional valve as claimed in claim 1, is characterized in that:
The outer wall of described first plunger bushing (41) and the inwall of described first spool bore (11) are described A crosspassage (31), B crosspassage (32), C crosspassage (33), the relative position at D crosspassage (34) and inlet hole (13) place is respectively equipped with described A crosspassage (31) described in UNICOM, B crosspassage (32), the A ring cavity (312) of C crosspassage (33) and D crosspassage (34), B ring cavity (322), C ring cavity (332), D ring cavity (342) and H ring cavity (131), sealed department (426) is provided with between described first spool bore (11) between each ring cavity and described first plunger bushing (41), the opposite side away from other ring cavities of A ring cavity (312) and the upside of A ring cavity (312) and D ring cavity (342) are equipped with sealed department (426) away from the opposite side of other ring cavities and the downside of D ring cavity (342),
Described first plunger rod (51) is installed in described first plunger bushing (41) slidably, one end of described first plunger rod (51) is provided with the first end cap (511), the other end axle center place of described first plunger rod (51) is provided with the first plunger channel (512) extended to the first end cap (511) direction, the outer wall of described first plunger rod (51) and the inwall of described first plunger bushing (41) form four sections of UNICOM chambeies, the first UNICOM chamber (514) respectively is from described first end cap (511) end, second UNICOM chamber (515), 3rd UNICOM chamber (516) and tetrad cavity (517), interior sealed department (518) is provided with between adjacent UNICOM chamber, the end of described tetrad cavity (517) and the other end away from described first end cap (511) of described plunger rod are provided with interior sealed department (518), described first UNICOM chamber (514) and described first plunger channel (512) UNICOM,
When described plunger rod is in a high position, A crosspassage (31) described in described second UNICOM chamber (515) UNICOM, 3rd UNICOM chamber (516) described B crosspassage (32) and described inlet hole (13) UNICOM, tetrad cavity (517) described C crosspassage (33) and described D crosspassage (34) UNICOM; When described plunger rod is in low level, A crosspassage (31) and described B crosspassage (32) described in described second UNICOM chamber (515) UNICOM, inlet hole (13) and described C crosspassage (33) described in described 3rd UNICOM chamber (516) UNICOM, D crosspassage (34) described in tetrad cavity (517) UNICOM;
The outer wall of described second plunger bushing (42) and the inwall of described second spool bore (12) are described E crosspassage (35), F crosspassage (36), the relative position at G crosspassage (37) and regeneration hole (14) place is respectively equipped with E crosspassage (35) described in UNICOM, F crosspassage (36), the E ring cavity (352) of G crosspassage (37) and regeneration hole (14), F ring cavity (362), G ring cavity (372) and I ring cavity (141), sealed department (426) is provided with between described second spool bore (12) between each ring cavity and described second plunger bushing (42), the upside of the opposite side away from other ring cavities and E ring cavity (352) that are positioned at the opposite side away from other ring cavities of the G ring cavity (372) of end and the downside of G ring cavity (372) and E ring cavity (352) is equipped with sealed department (426),
Described second plunger rod (52) is installed with in described second plunger bushing (42) slidably, one end of described second plunger rod (52) is provided with dismountable second end cap (521), the other end of described plunger rod offers the second plunger channel (522) extended to the second end cap (521) side at axle center place, the outer wall of described second plunger rod (52) and the inwall of described second plunger bushing (42) form three sections of UNICOM chambeies, epimere UNICOM chamber (526) is followed successively by from described second end cap (521) end, stage casing UNICOM chamber (527) and hypomere UNICOM chamber (528), described epimere UNICOM chamber (526) and described second plunger channel (522) UNICOM, interior sealed department (518) is provided with between described stage casing UNICOM chamber (527) and described hypomere UNICOM chamber (528), the plunger rod of the both sides of described interior sealed department (518) is equipped with sealed step, the sealed step being positioned at stage casing UNICOM chamber (527) is stage casing sealing station (524), the sealed step being positioned at hypomere UNICOM chamber (528) is hypomere sealing station (525), form stage casing between the inwall of described stage casing sealing station (524) and hypomere sealing station (525) and described second plunger bushing (42) respectively to seal and hypomere seals, one end relative with hypomere sealing station (525) and described second plunger rod (52) are provided with interior sealed department (518) away from one end of described second end cap (521),
When described second plunger rod (52) is in upper level position, stage casing sealing is in sealing state, and hypomere sealing is in misaligned state, and described hypomere UNICOM chamber (528) UNICOM G crosspassage (37) regenerates UNICOM with described; When described second plunger rod (52) is in low order position, stage casing sealing is in misaligned state, hypomere sealing is in sealing state, E crosspassage (35) and F crosspassage (36) described in chamber (527) UNICOM of described stage casing UNICOM.
3. the drying system containing combined directional valve as claimed in claim 1, is characterized in that:
Described A crosspassage (31) comprises A1 section (311) in the relative position being arranged on described first spool bore (11) hole wall and A3 section (313), wherein A3 section and described second vertical passage (22) UNICOM;
Described B crosspassage (32) comprises B1 section (321) on the relative position being arranged on described first spool bore (11) hole wall and B3 section (323), wherein B3 section (323) and described 3rd vertical passage (23) UNICOM;
Described C crosspassage (33) comprises C1 section (331) on the relative position being arranged on described first spool bore (11) hole wall and C3 section (333), wherein C3 section (333) and described first vertical passage (21) UNICOM;
Described D crosspassage (34) comprises D1 section (341) on the relative position being arranged on shown first spool bore (11) hole wall and D3 section (343), wherein D3 section (343) and described second vertical passage (22) UNICOM;
Described E crosspassage (35) comprises E1 section (351) on the relative position being arranged on described second spool bore (12) hole wall and E3 section (353), wherein E3 and described first vertical passage (21) UNICOM;
Described F crosspassage (36) comprises F1 section (361) on the relative position being arranged on described second spool bore (12) hole wall and F3 section (363), wherein F3 section (363) and described 3rd vertical passage (23) UNICOM;
Described G crosspassage (37) comprises G1 section (371) on the relative position being arranged on described second spool bore (12) hole wall and G3 section (373), wherein G3 section (373) and described second vertical passage (22) UNICOM.
4. the drying system containing combined directional valve as claimed in claim 3, is characterized in that:
Described A1 section (311), B1 section (321), C1 section (331) and D1 section (341) are all arranged on the half side hole wall of the first spool bore (11) at described inlet hole (13) place, described A1 section (311), D1 section (341), inlet hole (13), the axis of the first spool bore (11) and the second spool bore (12) is parallel to each other and coplanar, described A1 section (311) and D1 section (341) lay respectively at the both sides up and down of described inlet hole (13), described B1 section (321) and C1 section (331) lay respectively at described A1 section (311), the both sides of D1 section (341) and inlet hole (13) place straight line, described B1 section (321) is positioned between described A1 section (311) and described inlet hole (13), described B1 section (321) is near a side at described N air outlet hole (16) place, described C1 section (331) is positioned on the hole wall between described inlet hole (13) and described D1 section (341), C1 section (331) is near a side at described M air outlet hole (15) place,
Described E1 section (351), F1 section (361) and G1 section (371) are all arranged on the half side hole wall of second spool bore (12) at described regeneration hole (14) place, described regeneration hole (14) is all parallel with the axle of described second spool bore (12) with described first spool bore (11) with the straight line at described G1 section (371) place, described G1 hole is positioned at the below of described regeneration hole (14), described E1 section (351) and F1 section (361) are separately positioned on the both sides of regeneration hole (14) and described G3 section (373) place straight line, and described F1 is positioned at the top of described regeneration hole (14), described F1 section (361) is near a side at described N air outlet hole (16) place, described E1 hole is positioned at the top in described F1 hole, described E1 section (351) is near a side at described M air outlet hole (15) place,
Described D1 section (341) and described G1 section (371) are along the first vertical passage (21), the plane symmetry distribution at the second vertical passage (22) and the 3rd vertical passage (23) three's axis place, described inlet hole (13) and described regeneration hole (14) are along the first vertical passage (21), the plane symmetry distribution at the second vertical passage (22) and the 3rd vertical passage (23) three's axis place, described B1 section (321) and described F1 section (361) are along the first vertical passage (21), the plane symmetry distribution at the second vertical passage (22) and the 3rd vertical passage (23) three's axis place.
5. the drying system containing combined directional valve as claimed in claim 2, is characterized in that:
Described first plunger bushing (41) is by the first upper segment column plug sleeve (411), first stage casing plunger bushing (412) and the first lower end plunger bushing dock composition successively, described first upper segment column plug sleeve (411) is provided with the first epimere threaded joints (414) away from one end of described first stage casing plunger bushing (412), described first hypomere plunger bushing (413) is provided with the first epimere threaded joints (415) away from one end of described first stage casing plunger bushing (412), described first plunger bushing (41) is fixedly installed in described first spool bore (11) by described first epimere threaded joints (414) and described first epimere threaded joints (415), described first upper segment column plug sleeve (411) is provided with two for installing the seal groove of O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, form described A ring cavity between the cell wall of described annular groove and the inwall of described first spool bore (11), the cell wall of described annular groove is provided with A2 through hole, the interface that described first stage casing plunger bushing (412) connects with described first upper segment column plug sleeve (411) and described first hypomere plunger bushing (413) is provided with projection, the plunger bushing outer wall of joint and the inwall of described first spool bore (11) of described first stage casing plunger bushing (412) and described first upper segment column plug sleeve (411) form described B ring cavity (322), described first stage casing plunger bushing (412) forms B2 circumferential weld (324) with the joint of described first upper segment column plug sleeve (411), the plunger bushing outer wall of joint and the inwall of described first spool bore (11) of described first stage casing plunger bushing (412) and described first hypomere plunger bushing (413) form described C ring cavity (332), the joint C3 circumferential weld of described first stage casing plunger bushing (412) and described first hypomere plunger bushing (413), described first stage casing plunger bushing (412) is provided with two for installing the seal groove of O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, described H ring cavity (131) is formed between the cell wall of described annular groove and the inwall of described first spool bore (11), the H2 through hole (132) that the cell wall of described annular groove is established, described first hypomere plunger bushing (413) is provided with two for installing the seal groove of O-ring seal, plunger bushing between two seal grooves is provided with an annular groove, form described D ring cavity (342) between the cell wall of described annular groove and the inwall of described first spool bore (11), the cell wall of described annular groove is provided with D2 through hole (344),
When described first plunger rod (51) is in a high position, A2 through hole described in described second UNICOM chamber (515) UNICOM, i.e. A crosspassage (31) described in described second UNICOM chamber (515) UNICOM, B2 circumferential weld (324) and described H2 through hole (132) described in described 3rd UNICOM chamber (516) UNICOM, i.e. described B crosspassage (32) and described inlet hole (13) UNICOM, C2 circumferential weld (334) and described D2 through hole (344) described in described tetrad cavity (517) UNICOM, i.e. described C crosspassage (33) and described D crosspassage (34) UNICOM, when described first plunger rod (51) is in low level, A2 through hole and B2 circumferential weld (324) described in described second UNICOM chamber (515) UNICOM, i.e. described A crosspassage (31) and described B crosspassage (32) UNICOM, H2 through hole (132) and described C2 circumferential weld (334) described in described 3rd UNICOM chamber (516) UNICOM, i.e. described inlet hole (13) and described C crosspassage (33) UNICOM,
Described second plunger bushing (42) is by described second upper segment column plug sleeve (421), second stage casing plunger bushing (422) and the second hypomere plunger bushing (423) dock successively and form, described second upper segment column plug sleeve (421) is provided with the second epimere threaded joints (424) away from one end of described second stage casing plunger bushing (422), described second hypomere plunger bushing (423) is provided with the second hypomere threaded joints (425) away from one end of described second stage casing plunger bushing (422), described second plunger bushing (42) is fixed in described second spool bore (12) by described second epimere threaded joints (424) and described second hypomere threaded joints (425), described second upper segment column plug sleeve (421) is circumferentially with epimere inner seal ring (427) with the inwall of one end that described second stage casing plunger bushing (422) docks, described epimere inner seal ring (427) and described stage casing sealing station (524) form described stage casing and seal, described second upper segment column plug sleeve (421) outer wall is provided with two for installing the seal groove of seal ring, annular groove is provided with between two described seal grooves, the cell wall of described annular groove and the inwall of described second spool bore (12) form described E ring cavity (352), the cell wall of described annular groove is provided with E2 through hole (354), described F ring cavity (362) is formed between the outer wall of plunger bushing of described second stage casing plunger bushing (422) and described second upper segment column plug sleeve (421) joint and the inwall of described second spool bore (12), the end face that described second stage casing plunger bushing (422) docks with described second upper segment column plug sleeve (421) is provided with F2 perps (364), described second segment plunger bushing is provided with the seal groove for installing seal ring near the side outer wall of described second upper segment column plug sleeve (421), one end that described second stage casing plunger bushing (422) docks with described second hypomere plunger bushing (423) and form described I ring cavity (141) between the plunger bushing of hypomere and the inwall of described second spool bore (12), the plunger bushing at described I ring cavity (141) place is provided with I2 through hole (142), described second hypomere plunger bushing (423) is provided with hypomere inner seal ring (428) with the inwall of one end that described second stage casing plunger bushing (422) docks, described hypomere inner seal ring (428) and described hypomere sealing station (525) form described hypomere and seal, the outer wall being positioned at the described second hypomere plunger bushing (423) between described hypomere threaded joints and described second stage casing plunger bushing (422) hypomere is provided with two for installing the seal groove of seal ring, annular groove is provided with between two seal grooves, described G ring cavity (372) is formed between the cell wall of described annular groove and the inwall of described second spool bore (12), the cell wall of described annular groove is provided with G2 through hole (374),
When described second plunger rod (52) is in upper level position, described epimere inner seal ring (427) and described stage casing sealing station (524) form described stage casing and seal, described hypomere inner seal ring (428) is separated with described hypomere sealing station (525), described G2 through hole (374) and I2 through hole (142) are by chamber (528) UNICOM of described hypomere UNICOM, and namely G crosspassage (37) regenerates UNICOM with described; When described second plunger rod (52) is in low order position, described epimere inner seal ring (427) is separated with described stage casing sealing station (524), described hypomere inner seal ring (428) and described hypomere sealing station (525) form hypomere and seal, E2 through hole (354) and F2 perps (364), the i.e. UNICOM of E crosspassage (35) and F crosspassage (36) described in chamber (527) UNICOM of described stage casing UNICOM.
6. the drying system containing combined directional valve as claimed in claim 5, it is characterized in that: this combined directional valve also comprises upper cover (17), lower cover (18) and joint (60), described upper cover (17) capping is near valve body (10) end of described first plunger end cap (511) and the second plunger end cap (521) side, and described upper cover (17) is connected by joint (60) with described valve body (10); Described lower cover (18) is sealed on the other end of described valve body (10), and described lower cover (18) is connected by joint (60) with described valve body (10).
7. the drying system containing combined directional valve as claimed in claim 6, it is characterized in that: on the side first spool bore (11) and the second spool bore (12) of described upper cover (17), be respectively equipped with the first level and smooth chamber and the second level and smooth chamber, the side be connected with the described first level and smooth chamber is provided with the screw thread coordinated with described first epimere threaded joints (414), and the side be connected with the described second level and smooth chamber is provided with the screw thread coordinated with described second epimere threaded joints (424); The screw thread coordinated with described first hypomere threaded joints (415) and the second hypomere threaded joints (425) is respectively arranged with near the first spool bore of described lower cover (18) and the port of the second spool bore.
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CN108341398A (en) * 2018-02-07 2018-07-31 南京理工大学 A kind of hydrogen purification system and method that the deoxidation of bright annealing furnace deep dehydration is energy-efficient

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CN104147895A (en) * 2014-09-01 2014-11-19 南京浦镇海泰制动设备有限公司 Adsorption double-tower drying device

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US4577498A (en) * 1981-03-16 1986-03-25 S.I.A.T.A. Societa Italiana Apparecchiature Trattamento Acqua S.P.A. Double multiple change-over valve, for controlling the operation of a water treatment plant
US4718451A (en) * 1984-12-18 1988-01-12 Shoketsu Kinzoku Kogyo Kabushiki Kaisha Directional control valve
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