Summary of the invention
For overcoming the defects of prior art, the invention provides a kind of reactor that rotates the combination brake switch and proporting group and use rotation combination brake switch and proporting group, this rotation combination brake switch and proporting group and use reasonable, simple and practical, multiple functional, the reliable performance of reactor mechanism of this valve group.
The technical solution adopted in the present invention: a kind of rotation combination brake switch and proporting group, comprise disc type plane sealing rotary reversing valve, described rotary reversing valve comprises valve body, valve body and air flue cylindrical shell, described air flue cylindrical shell comprises air-inlet cavity and the outlet chamber of up and down co-axial seal connection, described air-inlet cavity and outlet chamber are respectively equipped with gas inlet and gas outlet, pass through baffle for separating between described air-inlet cavity and the outlet chamber, the upper end fixed seal connection of the lower end of described valve body and described air-inlet cavity, described valve body is a disk, offer equally distributed several to fan shaped borehole around the center of circle on the card, described valve body is that a circular cone lacks cylindrical shell, the upper end shaft extension is connected with the bearing support of described valve body is coaxial, the upper end circle lacks the lower end Plane Rotation sealing of plane and described valve body, the lower end of described valve body and described spacer gap are connected and are provided with the extension that extends into described outlet chamber, the sealing of the bottom of described extension and with the coaxial setting of bearing support of described outlet chamber bottom, offer some air outlets on the radial sidewalls of described extension, the circle at described valve body top lacks the plane and offers the position some through holes corresponding with the perforate on the described valve body with size, in some described through holes at least one is blind hole, and described valve body is provided with and drives its valve body driving mechanism that at the uniform velocity rotates.
Reach on the inside and outside edge plane between each fan shaped borehole on the scarce plane of circle, described valve body upper end and all can be provided with the double sealing groove, the soft packing seal material can be equipped with in the described seal groove, the sealing surface that matches with described sealing material can be provided with on each fan shaped borehole of described valve body lower end surface and the inside and outside edge plane.
The bottom center of described valve body can be provided with the sealing regulator be used to the upper and lower displacement of regulating described valve body, described sealing regulator comprises adjusting bolt, the nut and the gland that match with described adjusting bolt, described nut can be fixedly mounted on the center of described outlet chamber bottom, described bolts assemblies is on described nut, its top extends in the described outlet chamber, and described gland is fixedly mounted on the top of described bolt and contacts with the bottom of described extension.
Described rotation combinaing valve body can also comprise the rotation vent valve, described rotation vent valve comprises spool and housing, described spool is preferably hollow tubular structure, its lower end is fixedly connected with the upper end shaft extension of described valve body, described housing is fixedly mounted on the described valve body and is provided with endoporus, described endoporus cooperates with the radially outer edge preferred gap of described spool, can offer the air outlet hole corresponding with the blind hole position on the round scarce plane, the upper end of described valve body on the tube wall of described spool, can evenly offer identical with fan shaped borehole quantity on the described valve body on the sidewall of described housing, the through hole that radial position matches, described through hole preferably matches with air outlet hole on the described spool at the axial position on the described housing and pore size, and the hollow tube of described spool is connected with cleaning gas air supply pipe.
A kind of reactor of application rotation combination brake switch and proporting group, be provided with the catalytic reaction layer and the recuperation layer that distribute up and down in the housing of described reactor, the zone at described catalytic reaction layer and recuperation layer place evenly is divided into some axial flow passages, the lower end of described each axial flow passage is provided with rotation combination brake switch and proporting group, the axis of described rotation combination brake switch and proporting group and the axis of described housing are overlapping, described rotation combination brake switch and proporting group comprises disc type plane sealing rotary reversing valve, described rotary reversing valve comprises valve body, valve body and air flue cylindrical shell, described air flue cylindrical shell comprises air-inlet cavity and the outlet chamber of up and down co-axial seal connection, described air-inlet cavity and outlet chamber are respectively equipped with gas inlet and gas outlet, pass through baffle for separating between described air-inlet cavity and the outlet chamber, the upper end fixed seal connection of described valve body lower end and described air-inlet cavity, described valve body is a disk, offer equally distributed several to fan shaped borehole around the center of circle on the card, described fan shaped borehole and the corresponding setting of described axial flow passage, described valve body is that a circular cone lacks cylindrical shell, the upper end shaft extension is connected with the bearing support of described valve body is coaxial, the upper end circle lacks the lower end Plane Rotation sealing of plane and described valve body, the lower end of described valve body and described spacer gap are connected and are provided with the extension that extends into described outlet chamber, the sealing of the bottom of described extension and with the coaxial setting of bearing support of described outlet chamber bottom, offer some air outlets on the radial sidewalls of described extension, the circle at described valve body top lacks the plane and offers the position some through holes corresponding with the perforate on the described valve body with size, in some described through holes at least one is blind hole, and described valve body is provided with and drives its valve drive device that at the uniform velocity rotates.
Beneficial effect of the present invention: adopt the Plane Rotation sealing between the relative valve body of valve body of the disc type plane sealing rotary reversing valve of rotation combination brake switch and proporting group, the structural design of valve body, valve body uniqueness and the optimum organization of other parts, effectively simplify mechanism, improved leakage efficiency and ride quality;
The design of through hole on the rotation spool of vent valve and the housing, the convenient ventilation that cooperates rotary reversing valve to clean the period effectively removes this period to rest on organic exhaust gas in recuperation layer and the axial flow passage, also can be simultaneously and passes into the ammonia that denitration is used in the reactor;
By the sealing regulator can regulation valve body upper and lower displacement, thereby the degree of tightness of regulating sealing material demonstrates fully bearing effect and the labyrinth effect of plane soft packing seal, Effective Raise leakage efficiency;
Structure and the forms of motion of rotation combination brake switch and proporting group uniqueness have shortened airflow route, have reduced the air-flow bending section, have reduced thus the pressure loss of air-flow.
Embodiment
Referring to Fig. 1 and Fig. 2, the invention provides a kind of rotation combination brake switch and proporting group, be mainly used in waste gas cleaning plant, such as devices such as heat accumulating type heating power oxidation reaction stove (RTO) or heat accumulating type catalyst oxidation reactors (RCO), described rotation combination brake switch and proporting group comprises disc type plane sealing rotary reversing valve, described rotary reversing valve comprises valve body 1, valve body 2 and air flue cylindrical shell, described air flue cylindrical shell comprises air-inlet cavity 3 and the outlet chamber 4 of up and down co-axial seal connection, described air-inlet cavity and outlet chamber are respectively equipped with gas inlet 5 and gas outlet 6, be used for the discharge of the purified gas after the entering and process of pending waste gas, separate by dividing plate 7 between described air-inlet cavity and the outlet chamber, so that the waste gas in the described air flue cylindrical shell does not mix mutually with the rear gas of purification, the upper end fixed seal connection of the lower end of described valve body and described air-inlet cavity, described valve body is a disk, offer equally distributed several to fan shaped borehole 8 around the center of circle on the card, make things convenient for the circulation of gas, described valve body is that a circular cone lacks cylindrical shell, the upper end shaft extension is connected with the bearing support of described valve body is coaxial, the upper end circle lacks the lower end Plane Rotation sealing of plane and described valve body, lower end and described spacer gap are connected and are provided with the extension 9 that extends into described outlet chamber, the sealing of the bottom of described extension and with the coaxial setting of bearing support of described outlet chamber bottom, offer some air outlets 10 on the radial sidewalls of described extension, purified gas after being convenient to process in the described valve body enters described outlet chamber, the circle at described valve body top lacks the plane and offers the position some through holes 11 corresponding with the perforate on the described valve body with size, purified gas after being convenient to process enters described valve body, in some described through holes at least one is blind hole 12, when being applied to waste gas cleaning plant with convenient described rotation combination brake switch and proporting group, the cleaning period of corresponding intrument, the quantity of preferred described blind hole is two, and the center of circle that lacks the plane take circle is symmetrical arranged as symmetry center.Described valve body is provided with and drives its valve body driving mechanism that at the uniform velocity rotates, and described valve body driving mechanism can adopt motor direct connection reducing motor to add the drive scheme that the one-level exposed gear slows down.Adopt the Plane Rotation sealing between the relative valve body of the valve body of described rotary reversing valve, mechanism has been simplified in the structural design of valve body, valve body uniqueness and the optimum organization of other parts effectively, has improved leakage efficiency and ride quality.
Reach on the inside and outside edge plane between each fan shaped borehole on the scarce plane of circle, described valve body upper end and all can be provided with the double sealing groove, can be equipped with the soft packing seal material in the described seal groove, can be provided with the sealing surface that matches with described sealing material on each fan shaped borehole of described valve body lower end surface and the inside and outside edge plane, when guaranteeing that described valve body rotates between described valve body and air flue cylindrical shell, the sealing effect between the upper-end surface of described valve body and the lower end surface of described valve body.
The bottom center of described valve body can be provided with the sealing regulator 13 be used to the upper and lower displacement of regulating described valve body, described sealing regulator comprises adjusting bolt, the nut and the gland that match with described adjusting bolt, described nut can be fixedly mounted on the center of described outlet chamber bottom, described bolts assemblies is on described nut, its top extends in the described outlet chamber, and described gland is fixedly mounted on the top of described bolt and contacts with the bottom of described extension.Stretch into the length of the part of described outlet chamber by regulating described adjusting bolt, can regulate the degree of tightness of described sealing material, embody bearing effect and the labyrinth effect of plane soft packing seal, but the Effective Raise leakage efficiency.
Referring to Fig. 3 and Fig. 4, described rotation combinaing valve body can also comprise the rotation vent valve, described rotation vent valve comprises spool 14 and housing 15, described spool is preferably hollow tube 16 structures, convenient ventilation, its lower end is fixedly connected with the upper end shaft extension of described valve body, can be with described valve body uniform rotation, described housing is fixedly mounted on the described valve body and is provided with endoporus, described endoporus cooperates with the radially outer edge preferred gap of described spool, can offer the air outlet hole 17 corresponding with the blind hole position on the round scarce plane, the upper end of described valve body on the tube wall of described spool, be convenient to gas ejection or discharge in the described hollow tube, can evenly offer identical with fan shaped borehole quantity on the described valve body on the sidewall of described housing, the through hole 18 that radial position matches, described through hole preferably matches with air outlet hole on the described spool at the axial position on the described housing and pore size, and the outside of described through hole can be provided with pipe joint and/or nozzle.When described valve body rotates, described spool rotates relative to described housing with identical speed, the air outlet hole of described spool is communicated with successively with through hole on the described housing, make interior gas ejection or the discharge of hollow tube of described spool, because the air outlet hole on the described spool is all the time corresponding to the blind hole on the scarce plane of circle, described valve body upper end, therefore when being applied to waste gas cleaning plant, it is the cleaning period of corresponding intrument, clean installing interior residual organic exhaust gas, the hollow tube of described spool is connected with cleaning gas air supply pipe, so that cleaning gas to be provided.
Referring to Fig. 5, the present invention also provides a kind of reactor of application rotation combination brake switch and proporting group, be provided with the catalytic reaction layer 19 and the recuperation layer 20 that distribute up and down in the housing of described reactor, described catalytic reaction layer top is communicated with firing chamber 21, the zone at described catalytic reaction layer and recuperation layer place evenly is divided into some axial flow passages, the lower end of described each axial flow passage is provided with described rotation combination brake switch and proporting group, the axis of described rotation combination brake switch and proporting group and the axis of described housing are overlapping, described rotation combination brake switch and proporting group comprises disc type plane sealing rotary reversing valve and rotation vent valve, described rotary reversing valve comprises valve body, valve body and air flue cylindrical shell, described air flue cylindrical shell comprises air-inlet cavity and the outlet chamber of up and down co-axial seal connection, described air-inlet cavity and outlet chamber are respectively equipped with gas inlet and gas outlet, pass through baffle for separating between described air-inlet cavity and the outlet chamber, the upper end fixed seal connection of described valve body lower end and described air-inlet cavity, described valve body is a disk, offer equally distributed several to fan shaped borehole around the center of circle on the card, described fan shaped borehole and the corresponding setting of described axial flow passage, it can be one by one corresponding setting, also can be the corresponding described axial flow passages of a plurality of described fan shaped boreholes, as long as can guarantee in the rotary course of described valve body, described valve body is connected successively each described axial flow passage and is got final product, described valve body is that a circular cone lacks cylindrical shell, the upper end shaft extension is connected with the bearing support of described valve body is coaxial, the upper end circle lacks the lower end Plane Rotation sealing of plane and described valve body, lower end and described spacer gap are connected and are provided with the extension that extends into described outlet chamber, the sealing of the bottom of described extension and with the coaxial setting of bearing support of described outlet chamber bottom, offer some air outlets on the radial sidewalls of described extension, the circle at described valve body top lacks the plane and offers the position some through holes corresponding with the perforate on the described valve body with size, in some described through holes at least one is blind hole, with the cleaning period of the described reactor of correspondence, the quantity of preferred described blind hole is two, the center of circle that lacks the plane take circle is symmetrical arranged as symmetry center, is used for the axial flow passage that waste gas enters and is used for the quantity of the axial flow passage that purified gas discharges with the described reactor of equilibrium.Described valve body is provided with and drives its valve drive device that at the uniform velocity rotates 22.Described valve body is driven by drive unit and rotates between described valve body and air flue cylindrical shell, its effect is the flue gas after utilizing valve body top circle to lack plane motive sealing isolation organic exhaust gas and purify, in the low speed rotation process, keep good sealability, the major function of described valve body is will send into described axial flow passage from the organic exhaust gas of described air flue cylindrical shell continuously by the fan shaped borehole that card is opened, and send continuously as described valve body the purified gas from described axial flow passage simultaneously.
Described rotation vent valve 23 comprises spool and housing, described spool is preferably hollow tubular structure, convenient ventilation, its lower end is fixedly connected with the upper end shaft extension of described valve body, can be with described valve body uniform rotation, described housing is fixedly mounted on the described valve body and is provided with endoporus, described endoporus cooperates with the radially outer edge preferred gap of described spool, can offer the air outlet hole corresponding with the blind hole position on the round scarce plane, the upper end of described valve body on the tube wall of described spool, be convenient to gas ejection or discharge in the described hollow tube, can evenly offer identical with fan shaped borehole quantity on the described valve body on the sidewall of described housing, the through hole that radial position matches, described through hole preferably matches with air outlet hole on the described spool at the axial position on the described housing and pore size, and the outside of described through hole can be provided with pipe joint and/or nozzle.When described valve body rotates, described spool rotates relative to described housing with identical speed, the air outlet hole of described spool is communicated with successively with through hole on the described housing, make interior gas ejection or the discharge of hollow tube of described spool, because the air outlet hole on the described spool is all the time corresponding to the blind hole on the scarce plane of circle, described valve body upper end, therefore when being applied to waste gas cleaning plant, it is the cleaning period of corresponding intrument, residual organic exhaust gas in described axial flow passage in installing and the recuperation layer is cleaned, the hollow tube of described spool is connected with cleaning gas air supply pipe, so that cleaning gas to be provided.
Because reactor need to pass into the ammonia that denitration is used to the purification process of waste gas, be simplification device and saving space, described rotation vent valve can be divided into upper and lower two parts, described upper and lower two-part structure is identical, be respectively equipped with air outlet hole and through hole on upper and lower two-part spool and the housing, be provided with gas barrier between the spool of the spool of upper part and lower part, the spool hollow tube of described upper part is connected with the ammonia air supply pipe, so that the denitration ammonia to be provided, the hollow tube of described lower part is connected with cleaning gas air supply pipe, and cleaning gas is provided.
For ease of the circulation of gas in the reactor, the gas inlet of described air-inlet cavity or the pipeline of its connection can be provided with blower, and the gas outlet of described outlet chamber or the pipeline of its connection can be provided with induced draught fan.
Use the working principle of the reactor of described rotation combination brake switch and proporting group: the driving mechanism that starts described valve body, the valve body of described rotary reversing valve is with respect to described valve body and air flue barrel body rotation, be communicated with successively with each axial flow passage, the spool of described rotation vent valve rotates with respect to described housing.Described valve body is walked organic exhaust gas outward in the described air flue cylindrical shell, flue gas after walking to purify in the valve body, organic exhaust gas under the thrust of blower in the described air flue cylindrical shell fan shaped borehole by described valve body enter corresponding described axial flow passage, enter the firing chamber by recuperation layer and catalytic reaction layer again, flue gas after the purification is under the draft effect of induced draught fan, pass through first recuperation layer, leave sensible heat for heat retainer, enter described valve body by lacking the corresponding described axial flow passage in plane with the circle of valve body upper end again, discharge from the outlet of the extension of described valve body lower end.Described spool rotates with described valve body, the air outlet hole of described spool is communicated with successively with through hole on the described housing, make interior gas ejection or the discharge of hollow tube of described spool, because the air outlet hole on the described spool is all the time corresponding to the blind hole on the scarce plane of circle, described valve body upper end, therefore corresponding axial flow passage of closing is all the time finished residual organic exhaust gas in this axial flow passage and the corresponding recuperation layer is cleaned.The rotation of described valve body makes each described axial flow passage opening and closing successively, makes and forms the situation that one air-flow flows and horizontally rotates vertically in the reactor.Whole flow process organic exhaust gas is finished the whole purification craft from preheating, heating power oxidation or catalytic oxidation to heat release, discharge.
Structure and the forms of motion of described rotation combination brake switch and proporting group uniqueness have shortened airflow route, have reduced the air-flow bending section, have reduced thus the pressure loss of air-flow.