The reactor of rotation combination valve group and application rotation combination valve group
Technical field
The present invention relates to the reactor of a kind of rotation combination valve group and application rotation combination 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 characteristic; 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.
Rotation wing distribution reversing arrangement utilization star rotary seal mechanism principle in heat accumulating type heating power oxidation reaction stove (RTO) and heat accumulating type catalysis, the oxidation reactor (RCO); Mainly form by valve body, valve body, drive unit; Its structure and operation characteristics are that valve seat is telescopic coaxial metal (upper with valve body and is connected, and 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 switches air vent channel successively through the rotation of valve body, accomplishes the process of air inlet, burning (catalysis) oxidation, switching-over cleaning, accumulation of heat, cryopumping.The cambered surface that valve body combines with valve body adopts high-performance rubber plate pressure sealing.Exist mechanism huge, the manufacture, installation, maintenance expense is high, and sealing area is big, defectives such as leak-down rate height.
Summary of the invention
For overcoming the above-mentioned defective of existing technology, the invention provides a kind of rotation combination valve group and use the reactor of rotation combination valve group, this rotation combination valve group and use reasonable, simple and practical, multiple functional, the reliable performance of reactor mechanism of this valve group.
The technological scheme that the present invention adopted: a kind of rotation combination valve group; Comprise disc type plane sealing rotary reversing valve, said rotary reversing valve comprises valve body, valve body and air flue cylindrical shell, and said air flue cylindrical shell comprises the air-inlet cavity and the outlet chamber of co-axial seal connection up and down; Said air-inlet cavity and outlet chamber are respectively equipped with gas inlet and gas outlet; Separate through dividing plate between said air-inlet cavity and the outlet chamber, the upper end fixed seal connection of the lower end of said valve body and said air-inlet cavity, said valve body is a disk; Offer equally distributed several on the card to fan shaped borehole around the center of circle; Said valve body is that a circular cone lacks cylindrical shell, and the upper end shaft extension is connected with the bearing support of said valve body is coaxial, and the upper end circle lacks the following Transverse plane rotary seal of plane and said valve body; Lower end and said spacer gap are connected and are provided with the extension that extends into said outlet chamber; The sealing of the bottom of said extension and with the coaxial setting of bearing support of said outlet chamber bottom, offer some air outlets on the radial sidewalls of said extension, the circle at said valve body top lacks the plane and offers the corresponding some through holes of perforate on position and size and the said valve body; In some said through holes at least one is blind hole, and said valve body is provided with and drives its valve body driving mechanism that at the uniform velocity rotates.
Said valve body upper end circle lacks between each fan shaped borehole on the plane and on the inside and outside edge plane all can be provided with the double sealing groove; The soft packing seal material can be equipped with in the said seal groove, the sealing surface that matches with said sealing material can be provided with on each fan shaped borehole of said valve body lower end surface and the inside and outside edge plane.
The bottom center of said valve body can be provided with the sealing regulator of the upper and lower displacement that is used to regulate said valve body; Said sealing regulator comprises nut and the gland of regulating bolt, matching with said adjusting bolt; Said nut can be fixedly mounted on the center of said outlet chamber bottom; Said bolts assemblies is on said nut, and its top extends in the said outlet chamber, and said gland is fixedly mounted on the top of said bolt and contacts with the bottom of said extension.
Described rotation combination valve body can also comprise the rotating tee air valve; Said rotating tee air valve comprises spool and housing; Said spool is preferably hollow tubular structure; Its lower end is fixedly connected with the upper end shaft extension of said valve body, and said housing is fixedly mounted on the said valve body and is provided with endoporus, and said endoporus cooperates with the radially outer edge preferred gap of said spool; Can offer on the tube wall of said spool and the round corresponding air outlet hole in blind hole position that lacks on the plane in the upper end of said valve body; Can evenly offer on the sidewall of said housing with said valve body on the through hole that fan shaped borehole quantity is identical, radial position matches, said through hole the axial position on the said housing and pore size preferably with said spool on air outlet hole match, the hollow tube of said spool is connected with cleaning gas air supply pipe.
A kind of reactor of using rotation combination valve group is provided with the catalytic reaction layer and the recuperation layer that distribute up and down in the housing of said reactor, the zone at said catalytic reaction layer and recuperation layer place evenly is divided into some axial flow passages; The lower end of said each axial flow passage is provided with rotation combination valve group; The axis of said rotation combination valve group and the axis of said housing are overlapping, and said rotation combination valve group comprises disc type plane sealing rotary reversing valve, and said rotary reversing valve comprises valve body, valve block and air flue cylindrical shell; Said air flue cylindrical shell comprises the air-inlet cavity and the outlet chamber of co-axial seal connection up and down; Said air-inlet cavity and outlet chamber are respectively equipped with gas inlet and gas outlet, separate the upper end fixed seal connection of said valve body lower end and said air-inlet cavity between said air-inlet cavity and the outlet chamber through dividing plate; Said valve body is a disk; Offer on the card equally distributed several around the center of circle to fan shaped borehole, said fan shaped borehole and the corresponding setting of said axial flow passage, said valve body is that a circular cone lacks cylindrical shell; The upper end shaft extension is connected with the bearing support of said valve body is coaxial; Upper end circle lacks the following Transverse plane rotary seal of plane and said valve body, and lower end and said spacer gap are connected and are provided with the extension that extends into said outlet chamber, the bottom of said extension seal and with the coaxial setting of bearing support of said outlet chamber bottom; Offer some air outlets on the radial sidewalls of said extension; The circle at said valve body top lacks the plane and offers the corresponding some through holes of perforate on position and size and the said valve body, and at least one in some said through holes is blind hole, and said valve body is provided with and drives its valve body drive unit that at the uniform velocity rotates.
Beneficial effect of the present invention: adopt plane rotary seal between the relative valve body of valve body of the disc type plane sealing rotary reversing valve of rotation combination valve group; The optimum organization of valve body, valve body special structure design and other parts; Simplify mechanism effectively, improved leakage efficiency and ride quality;
The design of through hole on the spool of rotating tee air valve and the housing, the convenient ventilation that cooperates rotary reversing valve to clean the period effectively removes this period to rest on the organic exhaust gas in recuperation layer and the axial flow passage, also can be simultaneously and feeds the ammonia that denitration is used in the reactor;
Through the sealing regulator can regulation valve body upper and lower displacement, thereby the degree of tightness of regulating sealing material demonstrates fully the bearing effect and the labyrinth effect of plane soft packing seal, effectively improves leakage efficiency;
Rotation combination valve group particular structure and forms of motion have shortened airflow route, have reduced the air-flow bending section, have reduced the pressure loss of air-flow thus.
Description of drawings
Fig. 1 is the structural representation of rotary reversing valve of the present invention;
Fig. 2 is the valve body of rotary reversing valve of the present invention and the plane assembling schematic representation of valve body;
Fig. 3 is the structural representation of rotating tee air valve of the present invention;
Fig. 4 is the top plan view of rotating tee air valve of the present invention;
Fig. 5 is the structural representation of the reactor of application rotation combination valve group of the present invention.
Embodiment
Referring to Fig. 1 and Fig. 2, the invention provides a kind of rotation combination valve group, be mainly used in waste gas cleaning plant; Like heat accumulating type heating power oxidation reaction stove (RTO) or heat accumulating type catalyst oxidation reactor devices such as (RCO), said rotation combination valve group comprises disc type plane sealing rotary reversing valve, and said rotary reversing valve comprises valve body 1, valve body 2 and air flue cylindrical shell; Said air flue cylindrical shell comprises the air-inlet cavity 3 and outlet chamber 4 of co-axial seal connection up and down, and said air-inlet cavity and outlet chamber are respectively equipped with gas inlet 5 and gas outlet 6, is used for the entering of pending waste gas and the discharge of the purified gas after the processing; Separate through dividing plate 7 between said air-inlet cavity and the outlet chamber; So that waste gas in the said air flue cylindrical shell and the mixing mutually of purification back gas, the upper end fixed seal connection of the lower end of said valve body and said air-inlet cavity, said valve body is a disk; Offer equally distributed several on the card to fan shaped borehole 8 around the center of circle; Make things convenient for the circulation of gas, said valve body is that a circular cone lacks cylindrical shell, and the upper end shaft extension is connected with the bearing support of said valve body is coaxial; The upper end circle lacks the following Transverse plane rotary seal of plane and said valve body; Lower end and said spacer gap are connected and are provided with the extension 9 that extends into said outlet chamber, the bottom sealing of said extension and with the coaxial setting of bearing support of said outlet chamber bottom, offer some air outlets 10 on the radial sidewalls of said extension; Purified gas after being convenient to handle in the said valve body gets into said outlet chamber; The circle at said valve body top lacks the plane and offers the corresponding some through holes 11 of perforate on position and size and the said valve body, and the purified gas after being convenient to handle gets into said valve body, and at least one in some said through holes is blind hole 12; When being applied to waste gas cleaning plant with convenient said rotation combination valve group; The cleaning period of corresponding intrument, the quantity of preferred said blind hole is two, and the center of circle that lacks the plane with circle is that symmetry center is symmetrical set.Said valve body is provided with and drives its valve body driving mechanism that at the uniform velocity rotates, and said 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 plane rotary seal between the relative valve body of the valve body of said rotary reversing valve, mechanism has been simplified in the optimum organization of valve body, valve body special structure design and other parts effectively, has improved leakage efficiency and ride quality.
Said valve body upper end circle lacks between each fan shaped borehole on the plane and on the inside and outside edge plane all can be provided with the double sealing groove; Can be equipped with the soft packing seal material in the said seal groove; Can be provided with the sealing surface that matches with said sealing material on each fan shaped borehole of said valve body lower end surface and the inside and outside edge plane; When guaranteeing that said valve body rotates between said valve body and air flue cylindrical shell, the sealing effect between the upper-end surface of said valve body and the lower end surface of said valve body.
The bottom center of said valve body can be provided with the sealing regulator 13 of the upper and lower displacement that is used to regulate said valve body; Said sealing regulator comprises nut and the gland of regulating bolt, matching with said adjusting bolt; Said nut can be fixedly mounted on the center of said outlet chamber bottom; Said bolts assemblies is on said nut, and its top extends in the said outlet chamber, and said gland is fixedly mounted on the top of said bolt and contacts with the bottom of said extension.Stretch into the length of the part of said outlet chamber through regulating said adjusting bolt, the degree of tightness that can regulate said sealing material embodies the bearing effect and the labyrinth effect of plane soft packing seal, can effectively improve leakage efficiency.
Referring to Fig. 3 and Fig. 4; Described rotation combination valve body can also comprise the rotating tee air valve, and said rotating tee air valve comprises spool 14 and housing 15, and said spool is preferably hollow tube 16 structures; Convenient ventilation; Its lower end is fixedly connected with the upper end shaft extension of said valve body, can be with said valve body uniform rotation, and said housing is fixedly mounted on the said valve body and is provided with endoporus; Said endoporus cooperates with the radially outer edge preferred gap of said spool; Can offer on the tube wall of said spool and the upper end of said valve body circle lacks the corresponding air outlet hole 17 in blind hole position on the plane, be convenient to the gas ejection in the said hollow tube or discharge, can evenly offer on the sidewall of said housing with said valve body on the through hole that fan shaped borehole quantity is identical, radial position matches 18; Said through hole the axial position on the said housing and pore size preferably with said spool on air outlet hole match, the outside of said through hole can be provided with pipe joint and/or nozzle.When said valve body rotates; Said spool rotates with the said relatively housing of identical speed, and the air outlet hole of said spool is communicated with through hole on the said housing successively, makes gas ejection or discharge in the hollow tube of said spool; Because the air outlet hole on the said spool lacks the blind hole on the plane corresponding to said valve body upper end circle all the time; Therefore when being applied to waste gas cleaning plant, i.e. the cleaning period of corresponding intrument, organic exhaust gas residual in installing is cleaned; The hollow tube of said 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 using rotation combination valve group, is provided with the catalytic reaction layer 19 and recuperation layer 20 that distribute up and down in the housing of said reactor; Said catalytic reaction layer top is communicated with firing chamber 21, and the zone at said catalytic reaction layer and recuperation layer place evenly is divided into some axial flow passages, and the lower end of said each axial flow passage is provided with said rotation combination valve group; The axis of said rotation combination valve group and the axis of said housing are overlapping; Said rotation combination valve group comprises disc type plane sealing rotary reversing valve and rotating tee air valve, and said rotary reversing valve comprises valve body, valve block and air flue cylindrical shell, and said air flue cylindrical shell comprises the air-inlet cavity and the outlet chamber of co-axial seal connection up and down; Said air-inlet cavity and outlet chamber are respectively equipped with gas inlet and gas outlet; Separate through dividing plate between said air-inlet cavity and the outlet chamber, the upper end fixed seal connection of said valve body lower end and said air-inlet cavity, said valve body is a disk; Offer equally distributed several on the card to fan shaped borehole around the center of circle; Said fan shaped borehole and the corresponding setting of said axial flow passage can be corresponding one by one the settings, also can be the corresponding said axial flow passages of a plurality of said fan shaped boreholes; As long as can guarantee in the rotary course of said valve body; Said valve body is connected each said axial flow passage successively and is got final product, and said valve body is that a circular cone lacks cylindrical shell, and the upper end shaft extension is connected with the bearing support of said valve body is coaxial; The upper end circle lacks the following Transverse plane rotary seal of plane and said valve body; Lower end and said spacer gap are connected and are provided with the extension that extends into said outlet chamber, the bottom sealing of said extension and with the coaxial setting of bearing support of said outlet chamber bottom, offer some air outlets on the radial sidewalls of said extension; The circle at said valve body top lacks the plane and offers the corresponding some through holes of perforate on position and size and the said valve body; In some said through holes at least one is blind hole, and with the cleaning period of the said reactor of correspondence, the quantity of preferred said blind hole is two; The center of circle that lacks the plane with circle is that symmetry center is symmetrical set, and is used for the quantity of waste gas axial flow passage that gets into and the axial flow passage that is used for the purified gas discharge with the said reactor of equilibrium.Said valve body is provided with and drives its valve body drive unit 22 that at the uniform velocity rotates.Said valve body is driven by drive unit and between said valve body and air flue cylindrical shell, rotates; Its effect is to utilize valve body top circle to lack the plane motive sealing to isolate organic exhaust gas and flue gas after being purified; In the low speed rotation process, keep excellent sealing performance; The major function of said valve body is will send into said axial flow passage from the organic exhaust gas of said air flue cylindrical shell continuously through the fan shaped borehole that card is opened, and send the purified gas from said axial flow passage continuously like said valve body simultaneously.
Said rotating tee air valve 23 comprises spool and housing; Said spool is preferably hollow tubular structure; Convenient ventilation; Its lower end is fixedly connected with the upper end shaft extension of said valve body, can be with said valve body uniform rotation, and said housing is fixedly mounted on the said valve body and is provided with endoporus; Said endoporus cooperates with the radially outer edge preferred gap of said spool; Can offer on the tube wall of said spool and the upper end of said valve body circle lacks the corresponding air outlet hole in blind hole position on the plane, be convenient to the gas ejection in the said hollow tube or discharge, can evenly offer on the sidewall of said housing with said valve body on the through hole that fan shaped borehole quantity is identical, radial position matches; Said through hole the axial position on the said housing and pore size preferably with said spool on air outlet hole match, the outside of said through hole can be provided with pipe joint and/or nozzle.When said valve body rotates; Said spool rotates with the said relatively housing of identical speed, and the air outlet hole of said spool is communicated with through hole on the said housing successively, makes gas ejection or discharge in the hollow tube of said spool; Because the air outlet hole on the said spool lacks the blind hole on the plane corresponding to said valve body upper end circle all the time; Therefore when being applied to waste gas cleaning plant, i.e. the cleaning period of corresponding intrument, residual organic exhaust gas in said axial flow passage in installing and the recuperation layer is cleaned; The hollow tube of said spool is connected with cleaning gas air supply pipe, so that cleaning gas to be provided.
Because reactor need feed the ammonia that denitration is used to the purification process of waste gas; Be simplification device and saving space, said rotating tee air valve can be divided into upper and lower two parts, and said 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 on top and the spool of bottom, the spool hollow tube on said top is connected with the ammonia air supply pipe, uses ammonia so that denitration to be provided; The hollow tube of said bottom is connected with cleaning gas air supply pipe, provides cleaning to use gas.
For ease of the circulation of gas in the reactor, the gas inlet of said air-inlet cavity or the pipeline of its connection can be provided with blower, and the gas outlet of said outlet chamber or the pipeline of its connection can be provided with induced draught fan.
Use the working principle of the reactor of said rotation combination valve group: the driving mechanism that starts said valve body; The valve body of said rotary reversing valve rotates with respect to said valve body and air flue cylindrical shell; Be communicated with successively with each axial flow passage, the spool of said rotating tee air valve rotates with respect to said housing.Said valve body is walked organic exhaust gas outward in the said air flue cylindrical shell; Walk to purify the back flue gas in the valve body; Organic exhaust gas under the thrust of blower in the said air flue cylindrical shell fan shaped borehole through said valve body get into corresponding said axial flow passage, through recuperation layer and catalytic reaction layer entering firing chamber, flue gas after being purified is under the draft effect of induced draught fan again; Pass through recuperation layer earlier; Leave sensible heat for heat retainer, lack the corresponding said axial flow passage in plane through circle again and get into said valve body, discharge from the outlet of the extension of said valve body lower end with valve body upper end.Said spool rotates with said valve body; The air outlet hole of said spool is communicated with through hole on the said housing successively; Make the interior gas ejection or the discharge of hollow tube of said spool; Because the air outlet hole on the said spool lacks the blind hole on the plane corresponding to said valve body upper end circle all the time, therefore corresponding all the time axial flow passage of closing is accomplished residual organic exhaust gas in this axial flow passage and the corresponding recuperation layer is cleaned.The rotation of said valve body makes each said 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 accomplished the whole purification craft from preheating, heating power oxidation or catalytic oxidation to heat release, discharge.
Said rotation combination valve group particular structure and forms of motion have shortened airflow route, have reduced the air-flow bending section, have reduced the pressure loss of air-flow thus.