CN102278500A - Multichannel annular reversing valve group and reactor applying same - Google Patents
Multichannel annular reversing valve group and reactor applying same Download PDFInfo
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- CN102278500A CN102278500A CN2011101862505A CN201110186250A CN102278500A CN 102278500 A CN102278500 A CN 102278500A CN 2011101862505 A CN2011101862505 A CN 2011101862505A CN 201110186250 A CN201110186250 A CN 201110186250A CN 102278500 A CN102278500 A CN 102278500A
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Abstract
The invention relates to a multichannel annular reversing valve group and a catalytic oxidation reactor applying the same. The reversing valve group comprises a plurality of three-way valves and a cam rotating around a fixed shaft, wherein the plurality of three-way valves are distributed around the cam; each three-way valve is provided with a valve rod or a valve rod combination for controlling the working state of the three-way valve; the valve rod and the valve rod combination of each three-way valve constitute a planar cam mechanism together with the cam in the same way respectively; and the planar cam mechanism is a cam mechanism in which each part connected with a valve clack in the valve rod or the valve rod combination of each three-way valve in one rotating cycle of the cam moves in a reciprocating way for changing the working state of the three-way valve once or repeatedly. The multichannel annular reversing valve group is easy, convenient, practical, economic and reasonable, and has reliable performance and high airtightness; and the reactor can be used for ensuring the total flow from preheating to combustion oxidation to reversed cleaning to heat accumulation to low-temperature exhausting of organic waste gas treatment, and is particularly suitable for treating toxic and smelly gases.
Description
Technical field
The present invention relates to a kind of multichannel annular selector valve group, be mainly used in the switching of the multichannel working state under the automatic control, the invention still further relates to a kind of catalyst oxidation reactor that adopts this multichannel annular selector valve group, be mainly used in the various industrial organic exhaust gas that contain volatile organic matter of purified treatment.
Background technique
Be widely used in the technological progress of industrial furnace field and drive relevant speciality with the HTAC (HTAC) energy-efficient, that environmental protection is feature, be used for advanced heat accumulating type heating power oxidation reaction stove (RTO) of organic waste-gas purification technology or heat accumulating type catalysis, from Japan, Korea S and China Taiwan, rotation wing distribution reversing arrangement (star rotary seal valve) is wherein represented the state of the art in this field to oxidation reactor (RCO) equipment basically.
Heat accumulating type heating power oxidation reaction stove (RTO) and heat accumulating type catalysis, rotation wing distribution reversing arrangement utilization star rotary seal mechanism principle in the oxidation reactor (RCO), mainly by valve body, valve body, drive unit is formed, its structure and operation characteristics are that valve seat is telescopic coaxial metal (upper with valve body and is connected, valve body is a cylindrical structure, in basic vertical fixing, valve body rotates in the outbreak body for the scarce structure of tube, the corresponding valve body inner circumference of cylindrical shell excircle facade pore facade pore, air vent channel is switched in rotation by valve body successively, finishes air inlet, burning (catalysis) oxidation, commutation is cleaned, accumulation of heat, the process of cryopumping.The cambered surface that valve body combines with valve body adopts high-performance rubber plate pressure sealing.Exist mechanism huge, manufacture, installation, maintenance expense height, sealing area is big, defectives such as leak-down rate height.
Be used for the regenerative combustion technology of refuse incinerator at the bottom of the commentaries on classics of the rotary heating furnace of metallurgy industry and environmental sanitation system, equipment such as the supporting gas of its heat-accumulating burner, hydraulic dynamic three-way, four-way valve realize that oxygen deficient combustion low-nitrogen oxide discharging and heat energy high efficiency reclaim.Exist system layout to disperse, pipeline is long, manufacturing, operating cost height, defectives such as combustion temperature instability.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of multichannel annular selector valve group and use the reactor of multichannel annular selector valve group, this multichannel annular selector valve group and use that the reactor of this valve is simple and practical, economical rationality, reliable performance, sealing be strong.
The technical solution adopted in the present invention:
A kind of multichannel annular selector valve group, the cam that comprises a plurality of three-way valve and a dead axle rotation, described a plurality of three-way valve be distributed in described cam around, described three-way valve is provided with valve rod or the valve rod combination that is used to control its working state, the combination of the valve rod of described each three-way valve and valve rod is formed planar cam mechanism with described cam respectively in an identical manner, and described planar cam mechanism is that each part that connects flap in the valve rod of each three-way valve described in the process that rotates a circle of described cam or the valve rod assembly is made the cam mechanism that moves back and forth that one or many changes the three-way valve working state respectively.Thus, by the rotation of cam, can control the working state of whole three-way valve simultaneously, and the working state Changing Pattern of each three-way valve is identical, according to separately with respect to the distributing position conversion successively of cam.
Usually, described three-way valve is provided with two sealing pairs, and the valve rod combination of described three-way valve comprises main valve stem and valve rod sleeve pipe, connects the flap of described two sealing pairs respectively.Thus,, just can control the state of two sealing pairs by the action of described main valve stem and valve rod sleeve pipe, and then the interconnected relationship of three mouths of control three-way valve (be communicated with or cut off).
Usually, described valve stem casing pipe box is on described main valve stem, move with the sealing of described main valve stem and to cooperate, simplified the structure of valve rod assembly thus, described cam is provided with respectively curved external frame and the curved interior profile with described valve rod sleeve pipe and valve rod Contact Transmission.Thus, realize driving and the control of cam to main valve stem and valve rod sleeve pipe, rotating cam just can change and control the state of two sealing pairs in the three-way valve simultaneously.
As a preferred embodiment, described each three-way valve can be the three-channel three-way valve of single chamber, and the spin axis with described cam is that the center radially direct is on same circumference, first mouthful and second mouthful of described three-way valve lays respectively at two ends of valve body, the line of centres of described first mouthful and second mouthful is a radial line with respect to described circumference, described first mouthful of middle bobbin thread towards described cam, be provided with first corresponding with first mouthful and the second mouthful respectively sealing pair and second sealing pair in the described three-way valve, described first sealing pair is made up of first flap and first valve seat, described second sealing pair is made up of second flap and second sealing pair, described first flap and second flap are furnished with Returnning spring separately respectively or are furnished with shared Returnning spring jointly, the 3rd mouthful of described three-way valve is normal opening, is arranged on side of valve body.Thus, by Returnning spring, (perhaps on its driving component of the fixedlying connected) corresponding site on main valve stem and the valve stem casing is pressed to the respective profile of cam, guarantee the reliability of cam mechanism, and the set-up mode of three mouths in the three-way valve, the use in being convenient to put into practice.
Preferably, described first flap and second flap lay respectively at the inboard of described first valve seat and second valve seat, second flap is fixedly connected on the described main valve stem, described first flap is fixedly connected on the inner of described valve rod sleeve pipe, described Returnning spring is the pressure spring that is arranged between described first flap and second flap, described valve body is provided with the sleeve pipe leading truck that is positioned at first mouthful of place, collar aperture Spielpassung on described sleeve pipe and the described sleeve pipe leading truck, extend to described first mouthful of outside, also be provided with the stem guiding frame that is positioned at second mouthful of place on the described valve body, the valve rod hole Spielpassung on described valve rod and the described stem guiding frame.Thus, act on simultaneously on two flaps, realized the reset response of two flaps simplify the structure, and the setting of each leading truck has been guaranteed the stable of main valve stem and valve rod sleeve pipe again by a Returnning spring.
Preferably, described external frame and described interior profile are equipped with semiorbicular working part, the working part of described external frame and described interior profile is oppositely arranged, the spin axis that the middle part of the working part of described external frame is with described cam is the circular arc in the center of circle, the distance of the spin axis of the described cam of two end distances is less than the distance of middle part apart from the axle center axis of described cam, the spin axis that the middle part of the working part of profile is with described cam in described is the circular arc in the center of circle, and the distance of the spin axis of the described cam of two end distances is greater than the distance of middle part apart from the axle center axis of described cam.Thus, in the one-period of cam rotation, pass through the position of external frame control valve rod bush in the half period, position by Returnning spring control main valve stem, and pass through the position that interior profile is controlled main valve stem in the half period in addition, by the position of Returnning spring control valve rod bush, simplified the structure of cam thus, lower cost, and guaranteed the reliability of control.Described semi-circular being meant: being the straight line of pointing with the finger or gesticulate from the point at cam rotating shaft line place, described semiorbicular two end points are connected with the part that this straight line is positioned at the starting point both sides respectively, can have to surmount this straight line on a small quantity, also can connect just but do not surmount this straight line.
Preferably, the front end of described valve rod sleeve pipe is provided with and is used for the contacted sleeve pipe roller of described external frame, the sidewall of the nearly cam side of described valve rod sleeve pipe is provided with the slotted hole that penetrates this sidewall, be fixed with the drive link that vertically passes this slotted hole on the described main valve stem, the outer end of described drive link is provided with and is used for the contacted valve rod roller of profile in described.Thus, avoided of the obstruction of valve rod sleeve pipe, reduced surface friction drag main valve stem.
External frame on the described cam and interior profile can adopt following any mode to realize according to manufacturing process in the reality and usage requirement:
(1) the same side of described cam is provided with two semiorbicular relative protruding wheel rims, and the inner surface of one of them protruding wheel rim constitutes described interior profile, and the outer side surface of another protruding wheel rim constitutes described external frame;
(2) one side of something of described cam adopts the external frame cam structure, profile cams structure in half of in addition the employing, the outer edge surface of described external frame cam structure constitutes the working part of described external frame, and the inner edge surface of described interior profile cams structure constitutes the working part of described interior profile.
Usually, the valve body of described each three-way valve interfixes to be installed on the same skeleton or to be mutually permanently connected and is one.
Preferably, described the 3rd mouthful can towards with the direction of the spin axis of described cam, can make things convenient for the use under most occasions thus.
A kind of heat accumulating type catalyst oxidation reactor, comprise housing and described multichannel annular selector valve group, described multichannel annular selector valve group can adopt above-mentioned any technological scheme, be provided with reaction zone in the described housing, suction port and air outlet, described reaction zone is divided into some reaction channels, described multichannel annular selector valve group is positioned at described housing, first mouthful of described each three-way valve connects described air outlet, second mouthful connects described suction port, the 3rd mouthful connects each self-corresponding described reaction channel respectively, and the cam of described multichannel annular selector valve group connects drive unit by camshaft.By multichannel annular valve group, can switch the MEDIA FLOW of each reaction channel, realize processes such as reaction successively, commutation and regeneration to reaction channel.
Beneficial effect of the present invention: multichannel annular selector valve group adopts a plurality of three-way valve and the ingenious combination of cam of special construction, static seal with flap and valve seat has substituted existing jacket casing formula star rotary dynamic seal, improve leakage efficiency effectively, more be applicable to the processing of poison, odour; The design of the unique texture of described cam makes it can produce outward thrust and pulling force entad simultaneously at different direction when rotating, and drives described import flap and the action of outlet flap, guaranteed each three-way valve can be in certain sequence periodic Push And Release; When described valve rod roller and axle sleeve roller are positioned at the maximum spacing place of inner edge of the outer rim of described forward cam body and described reverse cam path, described import flap and outlet flap respectively with the valve seat of the import of described three-way valve and the valve base sealing of outlet, make when described cam is controlled each three-way valve Push And Release, it is the having a double meaning state that the symmetrical three-way valve of symmetry center is in import and outlet that two wheel shafts with described cam are arranged all the time, convenient to remain in the cleaning of the gas in heat retainer and air flue dead band in the reactor owing to airflow-reversing, use the reactor of this multichannel annular selector valve group, can guarantee that waste gas treatment is from preheating, burning (catalysis) oxidation, to commutation, clean, accumulation of heat, whole technological processes that low temperature is discharged are simultaneously also applicable to rotary heating furnace, change the stable heating of end refuse incinerator, technological requirements such as the efficient purification of constant temperature combustion and flue gas; Distribution device that described multichannel annular selector valve group shows unique characteristics and simple and direct air passage structure thereof have shortened airflow route, have reduced the air-flow number of bends, have simplified mechanism, have reduced the pressure loss of air-flow.
The multichannel annular valve group that the present invention relates to is simple in structure, and cost is low, and is easy to use, and the good reliability of control, good seal performance.Adopt the catalyst oxidation reactor of this multichannel annular selector valve group, can avoid overflowing of waste gas, can be adapted to the processing that poisonous and harmful has the special organic exhaust gas of flavor.
Description of drawings
Fig. 1 is the plan view of multichannel annular selector valve group of the present invention;
Fig. 2 is the plan view of the cam of multichannel annular selector valve group of the present invention;
Fig. 3 uses the structural representation of the reactor of multichannel annular selector valve group for the present invention.
Embodiment
Referring to Fig. 1 and Fig. 2, the invention provides a kind of multichannel annular selector valve group, be mainly used in waste gas cleaning plant, as heat accumulating type heating power oxidation reaction stove (RTO) or heat accumulating type catalyst oxidation reactor devices such as (RCO), described multichannel annular selector valve group comprises a plurality of three-way valve 1 and a cam 2, the valve body of described three-way valve is a single chamber, triple channel, the valve body of a plurality of described three-way valve is center fixed seal connection successively with the wheel shaft 3 of described cam, form the whole valve seat of the selector valve group of annular, the mode of fixed seal connection can also can be to be fixedly mounted on the same skeleton for being welded to each other.Second mouthful of a plurality of described three-way valve can be used as an import 4, first mouthful can be used as an outlet 5, wherein the axis of import 4 and outlet 5 all points to the center of described selector valve valve seat, be respectively applied for the coupled reaction device into and out of air chamber or inlet, outlet pipeline, the 3rd mouthful of described three-way valve is preferably normal opening, do not establish sealing pair, all towards identical direction, so that control the flow direction of pending gas.The valve rod or the valve rod of described cam and each three-way valve constitute cam mechanism, with the moving part in corresponding valve rod or the valve rod combination is the driven member of cam mechanism, control the connected relation between unlatching, closed condition and each mouthful that described a plurality of three-way valve periodically changes each mouthful in certain sequence, when described multichannel annular selector valve group is applied to waste gas cleaning plant, can guarantee waste gas treatment from preheating, burning (catalysis) oxidation, to whole technological processes of commutation, cleaning, accumulation of heat, low temperature discharge.For convenient described cam simultaneously to the control of a plurality of described three-way valve, the quantity of described three-way valve is preferably even number, is symmetric type with respect to the wheel shaft of described cam and distributes.
Described three-way valve is provided with two sealing pairs, i.e. first sealing pair and second sealing pair, corresponding with first mouthful and second mouthful respectively, be used to seal or open the medium channel of first mouthful and second mouthful, its part of realizing opening and closing is respectively first flap and second flap, when with second mouthful as an import 4, first mouthful as an outlet 5 o'clock, corresponding flap also can be described as import flap 6 and outlet flap 7, described import flap can be respectively equipped with the link of fixedlying connected with it with the outlet flap, usually can claim this/these links are valve rod or valve rod combination, this/these links constitute the driven member of described cam, and described cam is controlled described import flap and outlet flap by corresponding driven member and is realized switching and control to described three-way valve working state.
At Fig. 1, among the embodiment shown in 2, the link that is connected with described import flap can be main valve stem 8, the Placement of described import flap and the preferred screw-tightened of the mode of fixedlying connected of described main valve stem, the link that is connected with described outlet flap is preferably the axle sleeve 9 that matches with described main valve stem, described outlet flap and described axle sleeve preferably adopt the Placement of assembly welding, described main valve stem and described axle sleeve preferably are in axial sliding connection, the central shaft hole of the radially outer edge of described axle sleeve and the outlet of described three-way valve preferably is slidingly connected, when rotating with the described cam of box lunch, can realize push-and-pull action to described import flap and outlet flap respectively, control opening of described three-way valve, close.
Preferably be provided with Returnning spring between described import flap and the described outlet flap, can fixedly connected with the outlet flap with described import flap respectively in the two ends of described Returnning spring, so that the pretightening force by described Returnning spring cooperates being slidingly connected between described main valve stem and the described axle sleeve to realize described main valve stem and described axle sleeve resetting after stressed, when elastic strain does not take place in described Returnning spring, spacing between described import flap and the described outlet flap preferably is not less than the spacing between described import and the described outlet, (described main valve stem and described axle sleeve are under the external force effect that is not subjected to described cam with the reset effect that guarantees described main valve stem and described axle sleeve, described import flap and outlet flap respectively with the valve base sealing of described import and outlet), described Returnning spring preferably adopts helical compression spring, can adopt refractory steel to curl and form, guarantee the stability of its work.
One side of something of described cam can be the forward cam body, one side of something can be reverse cam path in addition, the outer margin contour of described forward cam body constitutes described external frame, the inner edge profile of the outer wall of described reverse cam path has constituted described interior profile (because generally described reverse cam path can not established inwall, abbreviate the inner edge profile of reverse cam path thus as), to guarantee that it is in rotary course, can produce outward thrust and pulling force entad in different directions simultaneously, described cam is connected with described wheel shaft is coaxial, preferably connect as one, described cam can adopt motor driving.
The main body of the outer margin contour of described forward cam body is preferably isometrical profile 12, and the two ends of outer margin contour are reducing profile 13, the reducing profile of described outer margin contour to described distance of taking turns axis of spindle preferably less than described outer margin contour to the distance of taking turns axis of spindle; The main body of the inner edge profile of described reverse cam path is preferably isometrical profile 14, and the two ends of inner edge profile are reducing profile 15, the isometrical profile of described inner edge profile to described distance of taking turns axis of spindle preferably less than described outer margin contour to the distance of taking turns axis of spindle.So that in the rotary course of described cam, realize described three-way valve import or export unlatching or close.When the isometrical profile of the outer rim of described forward cam body contacted with described axle sleeve and produces outward thrust, the import of described three-way valve was in closed condition, and outlet is in opening state; When the isometrical profile of the inner edge of described reverse cam path and described main valve stem contact and produce when believing pulling force, the import of described three-way valve is in opening state, outlet is in closed condition, when contacting with described axle sleeve or described main valve stem respectively, the reducing profile of the inner edge of the reducing profile of the outer rim of described forward cam body or described reverse cam path produces outward thrust or entad during pulling force, described import valve seat or outlet valve seat are in the reseting procedure under the effect of the pretightening force of described Returnning spring.
For convenience the forward cam body of described cam and oppositely cam path respectively described axle sleeve and main valve stem are produced outward thrust or pulling force and reduce resistance entad, can be provided with the main valve stem roller 10 that matches with described reverse cam path inner edge on the described main valve stem, can be provided with the axle sleeve roller 11 that matches with described forward cam body outer rim on the described axle sleeve, can be provided with on the described axle sleeve can be for the chute of described main valve stem roller along described axle sleeve axial motion, so that described main valve stem roller does not influence the slide relative between described main valve stem and the described axle sleeve.
In the slide relative process of described main valve stem and described axle sleeve, maximum spacing between described main valve stem roller and the described axle sleeve roller preferably is not less than the maximum spacing between the inner edge of the outer rim of described forward cam body and described reverse cam path, be that chute on the described axle sleeve has enough length spaces along the axial direction of described axle sleeve and can guarantee in the rotary course of described cam when described main valve stem roller and described axle sleeve roller are positioned at the maximum spacing place of inner edge of the outer rim of described forward cam body and described reverse cam path, the outer rim of described forward cam body contacts with described axle sleeve roller, has the trend that applies outward thrust to described axle sleeve roller, the inner edge of described reverse cam path contacts with described main valve stem roller, has to described main valve stem roller to apply the entad trend of pulling force.
When described main valve stem roller and axle sleeve roller are positioned at the maximum spacing place of inner edge of the outer rim of described forward cam body and described reverse cam path, described import flap and outlet flap respectively with the valve seat of the import of described three-way valve and the valve base sealing of outlet, promptly in the rotary course of described cam, the import and the outlet that are in corresponding two three-way valve in position of maximum spacing with the inner edge of the outer rim of described forward cam body and described reverse cam path all are in closed condition, with conveniently when described multichannel annular selector valve group is applied to waste gas cleaning plant, to remain in the cleaning of the gas in heat retainer and air flue dead band in installing owing to airflow-reversing.
Referring to Fig. 3, the present invention also provides a kind of reactor of using described multichannel annular selector valve group, the housing advantageous cross sections of described reactor is rounded, described reactor is provided with the air inlet bustle pipe of annular, so that press to the pending waste gas that enters described reactor is even, the axis of described air inlet bustle pipe and the axis of described housing are overlapping, its tube wall is connected with described housing seal, described air inlet bustle pipe is provided with exhaust gas inlet, the top of described air inlet bustle pipe is provided with catalytic reaction layer and the recuperation layer that distributes up and down in the described housing, described catalytic reaction layer top is communicated with the firing chamber, the zone at described catalytic reaction layer and recuperation layer place evenly is divided into some axial flow passages, described each axial flow passage lower end is provided with described multichannel annular selector valve group, described multichannel annular selector valve group comprises a plurality of three-way valve and a cam, the opening direction of another outlet of a plurality of described three-way valve is towards the direction of described recuperation layer, can with the corresponding one by one setting of several described axial flow passages, also can be a plurality of the corresponding described axial flow passage of described three-way valve, as long as can guarantee that described cam is in rotary course, a plurality of described three-way valve are connected each described axial flow passage successively and are got final product, the import of a plurality of described three-way valve is communicated with described air inlet bustle pipe, and be tightly connected with the inboard tube wall of described air inlet bustle pipe, the below of described multichannel selector valve is provided with the draught flue that is communicated with and is connected with its valve seal with its valve pocket, is used for the waste gas after handling is discharged described reactor.
Use the working principle of the reactor of described multichannel annular selector valve group: the drive unit that starts described cam, described cam at the uniform velocity rotates around the axle center, the import and the outlet that are in corresponding two three-way valve in position of maximum spacing with the inner edge of the outer rim of described forward cam body and described reverse cam path are in closed condition, and control steam blowing equipment the pairing axial flow passage of these two three-way valve is cleaned accordingly this moment.With the corresponding described three-way valve of isometrical profile of the inner edge of described reverse cam path since the isometrical profile of the inner edge of described reverse cam path to the tension of described main valve stem roller, its import is in opening state, simultaneously because described main valve stem roller is not subjected to the effect of external force, its outlet is in closed condition, pending waste gas in the described air inlet bustle pipe enters corresponding axial flow passage by the import of described three-way valve with outlet towards described recuperation layer, finishes the evolution of waste gas; With the corresponding described three-way valve of isometrical profile of the outer rim of described forward cam body since the isometrical profile of the outer rim of described forward cam body to the thrust of described axle sleeve roller, its outlet is in opening state, simultaneously because described main valve stem roller is not subjected to the effect of external force, import is in closed condition, purifying exhaust air after treatment enters described draught flue from two outlets of corresponding axial flow passage by described three-way valve, discharges described reactor.At the uniform velocity rotation along with described cam, described axle sleeve roller or described main valve stem roller break away from the constraint of isometrical profile of the inner edge of the isometrical profile of outer rim of described forward cam body or described reverse cam path gradually, under the effect of the restoring force of described Returnning spring, make corresponding described import flap or outlet flap recover nature (being the closed condition of three-way valve) gradually.Described cam at the uniform velocity rotates, and a plurality of described three-way valve periodic cycle are finished above-mentioned action, and whole technological processes of waste-gas cleaning are finished in the commutation of the multichannel of waste gas in the realization response device.
Multichannel annular selector valve group adopts a plurality of three-way valve and the ingenious combination of cam of special construction, static seal with flap and valve seat has substituted existing jacket casing formula star rotary dynamic seal, improved leakage efficiency effectively, distribution device that it shows unique characteristics and simple and direct air passage structure thereof, shorten airflow route, reduced the air-flow number of bends, reduced the pressure loss of air-flow when having simplified mechanism.
Claims (10)
1. multichannel annular selector valve group, it is characterized in that comprising the cam of a plurality of three-way valve and a dead axle rotation, described a plurality of three-way valve be distributed in described cam around, described three-way valve is provided with valve rod or the valve rod combination that is used to control its working state, the combination of the valve rod of described each three-way valve and valve rod is formed planar cam mechanism with described cam respectively in an identical manner, and described planar cam mechanism is that each part that connects flap in the valve rod of each three-way valve described in the process that rotates a circle of described cam or the valve rod assembly is made the cam mechanism that moves back and forth that one or many changes the three-way valve working state respectively.
2. multichannel annular selector valve group as claimed in claim 1, it is characterized in that described three-way valve is provided with two sealing pairs, the valve rod combination of described three-way valve comprises main valve stem and valve rod sleeve pipe, the flap that connects described two sealing pairs respectively, described valve stem casing pipe box is on described main valve stem, move with the sealing of described main valve stem and to cooperate, described cam is provided with respectively curved external frame and the curved interior profile with described valve rod sleeve pipe and valve rod Contact Transmission.
3. multichannel annular selector valve group as claimed in claim 2, it is characterized in that described each three-way valve is the three-channel three-way valve of single chamber, spin axis with described cam is that the center radially direct is on same circumference, first mouthful and second mouthful of described three-way valve lays respectively at two ends of valve body, the line of centres of described first mouthful and second mouthful is a radial line with respect to described circumference, described first mouthful of middle bobbin thread towards described cam, be provided with first corresponding with first mouthful and the second mouthful respectively sealing pair and second sealing pair in the described three-way valve, described first sealing pair is made up of first flap and first valve seat, described second sealing pair is made up of second flap and second sealing pair, described first flap and second flap are furnished with Returnning spring separately respectively or are furnished with shared Returnning spring jointly, the 3rd mouthful of described three-way valve is normal opening, is arranged on side of valve body.
4. multichannel annular selector valve group as claimed in claim 3, it is characterized in that described first flap and second flap lay respectively at the inboard of described first valve seat and second valve seat, second flap is fixedly connected on the described main valve stem, described first flap is fixedly connected on the inner of described valve rod sleeve pipe, described Returnning spring is the pressure spring that is arranged between described first flap and second flap, described valve body is provided with the sleeve pipe leading truck that is positioned at first mouthful of place, collar aperture Spielpassung on described sleeve pipe and the described sleeve pipe leading truck, extend to described first mouthful of outside, also be provided with the stem guiding frame that is positioned at second mouthful of place on the described valve body, the valve rod hole Spielpassung on described valve rod and the described stem guiding frame.
5. as claim 2,3 or 4 described multichannel annular selector valve groups, it is characterized in that described external frame and described interior profile are equipped with semiorbicular working part, the working part of described external frame and described interior profile is oppositely arranged, the spin axis that the middle part of the working part of described external frame is with described cam is the circular arc in the center of circle, the distance of the spin axis of the described cam of two end distances is less than the distance of middle part apart from the axle center axis of described cam, the spin axis that the middle part of the working part of profile is with described cam in described is the circular arc in the center of circle, and the distance of the spin axis of the described cam of two end distances is greater than the distance of middle part apart from the axle center axis of described cam.
6. multichannel annular selector valve group as claimed in claim 5, the front end that it is characterized in that described valve rod sleeve pipe is provided with and is used for the contacted sleeve pipe roller of described external frame, the sidewall of the nearly cam side of described valve rod sleeve pipe is provided with the slotted hole that penetrates this sidewall, be fixed with the drive link that vertically passes this slotted hole on the described main valve stem, the outer end of described drive link is provided with and is used for the contacted valve rod roller of profile in described.
7. multichannel annular selector valve group as claimed in claim 6, the same side that it is characterized in that described cam is provided with two semiorbicular relative protruding wheel rims, the inner surface of one of them protruding wheel rim constitutes described interior profile, and the outer side surface of another protruding wheel rim constitutes described external frame.
8. multichannel annular selector valve group as claimed in claim 6, the one side of something that it is characterized in that described cam adopts the external frame cam structure, profile cams structure in half of in addition the employing, the outer edge surface of described external frame cam structure constitutes the working part of described external frame, and the inner edge surface of described interior profile cams structure constitutes the working part of described interior profile.
9. multichannel as claimed in claim 6 annular selector valve group, the valve body that it is characterized in that described each three-way valve interfixes to be installed on the same skeleton or to be mutually permanently connected and is one, described the 3rd mouthful towards with the direction of the spin axis of described cam.
10. the heat accumulating type catalyst oxidation reactor of any multichannel annular selector valve group among employing such as the claim 1-9, it is characterized in that comprising housing and described multichannel annular selector valve group, described housing is provided with reaction zone, suction port and air outlet, described reaction zone is divided into some reaction channels, described multichannel annular selector valve group is positioned at described housing, first mouthful of described each three-way valve connects described air outlet, second mouthful connects described suction port, the 3rd mouthful connects each self-corresponding described reaction channel respectively, and the cam of described multichannel annular selector valve group connects drive unit by camshaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110186250 CN102278500B (en) | 2011-07-05 | 2011-07-05 | Multichannel annular reversing valve group and reactor applying same |
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| CN 201110186250 CN102278500B (en) | 2011-07-05 | 2011-07-05 | Multichannel annular reversing valve group and reactor applying same |
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| CN102278500A true CN102278500A (en) | 2011-12-14 |
| CN102278500B CN102278500B (en) | 2013-04-17 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240570A (en) * | 2015-11-18 | 2016-01-13 | 余成鹏 | Multichannel valve |
| CN109237079A (en) * | 2018-11-28 | 2019-01-18 | 陕西航天泵阀科技集团有限公司 | One into having more reversing arrangement |
| CN109458479A (en) * | 2018-11-01 | 2019-03-12 | 杭州聚光环保科技有限公司 | Multi-channel direction selecting valve |
| CN110860185A (en) * | 2018-08-27 | 2020-03-06 | 杰智环境科技股份有限公司 | Switching valve and adsorption and desorption rotating wheel equipment and method capable of switching desorption gas flow direction |
| CN111396624A (en) * | 2020-04-17 | 2020-07-10 | 段小刚 | Rotary control combination valve, device and application |
| CN112319950A (en) * | 2020-12-15 | 2021-02-05 | 广东中一智能科技有限公司 | High-speed liquid packaging machine filling device adopting electric cylinder to control material output |
| CN112607075A (en) * | 2020-12-15 | 2021-04-06 | 广东宏川环宇智能装备有限公司 | Horizontal pump valve high-speed liquid packaging machine |
| CN114795742A (en) * | 2022-06-30 | 2022-07-29 | 深圳市人民医院 | Detection spacer for preventing pressure sores |
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| US20020150515A1 (en) * | 2000-05-17 | 2002-10-17 | Ji-Hwan Pack | Rotary regenerative oxidizer with distribution wings |
| CN2459556Y (en) * | 2001-01-02 | 2001-11-14 | 鞍山钢铁学院 | Converting valve group for heat storage type combustion system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240570A (en) * | 2015-11-18 | 2016-01-13 | 余成鹏 | Multichannel valve |
| CN110860185A (en) * | 2018-08-27 | 2020-03-06 | 杰智环境科技股份有限公司 | Switching valve and adsorption and desorption rotating wheel equipment and method capable of switching desorption gas flow direction |
| CN110860185B (en) * | 2018-08-27 | 2021-07-27 | 杰智环境科技股份有限公司 | Switching valve and adsorption and desorption rotating wheel equipment and method capable of switching desorption gas flow direction |
| CN109458479A (en) * | 2018-11-01 | 2019-03-12 | 杭州聚光环保科技有限公司 | Multi-channel direction selecting valve |
| CN109237079A (en) * | 2018-11-28 | 2019-01-18 | 陕西航天泵阀科技集团有限公司 | One into having more reversing arrangement |
| CN109237079B (en) * | 2018-11-28 | 2023-11-21 | 陕西航天泵阀科技集团有限公司 | One-in-multiple-out reversing device |
| CN111396624A (en) * | 2020-04-17 | 2020-07-10 | 段小刚 | Rotary control combination valve, device and application |
| CN112319950A (en) * | 2020-12-15 | 2021-02-05 | 广东中一智能科技有限公司 | High-speed liquid packaging machine filling device adopting electric cylinder to control material output |
| CN112607075A (en) * | 2020-12-15 | 2021-04-06 | 广东宏川环宇智能装备有限公司 | Horizontal pump valve high-speed liquid packaging machine |
| CN112607075B (en) * | 2020-12-15 | 2023-08-22 | 广东永亿科技有限公司 | High-speed liquid packaging machine with horizontal pump valve |
| CN114795742A (en) * | 2022-06-30 | 2022-07-29 | 深圳市人民医院 | Detection spacer for preventing pressure sores |
| CN114795742B (en) * | 2022-06-30 | 2023-06-09 | 深圳市人民医院 | Prevent to press sore detection pad |
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