CN105910414A

CN105910414A - Rotary drying device and drying technology

Info

Publication number: CN105910414A
Application number: CN201510848463.8A
Authority: CN
Inventors: 姜良政
Original assignee: 姜良政
Current assignee: Hunan Dingjiu Energy and Environment Technology Co., Ltd.
Priority date: 2015-11-27
Filing date: 2015-11-27
Publication date: 2016-08-31
Anticipated expiration: 2035-11-27
Also published as: CN105910414B

Abstract

The invention discloses a rotary drying device, comprising a swing-type rotary furnace. The swing-type rotary furnace comprises a rotary drum, a driving device and a supporting device, a control device, and a heating jacket and/or dry hot gas inlet and outlet. The rotary drum is internally provided with a drying section. The cylinder wall of the vapor phase region of the drying section is provided with a steam outlet. The driving device and the supporting device are arranged out of the rotary drum, and are used to drive and support the rotary drum to swing back and forth around a rotating axis. The control device is connected with the driving device through a wire, and is used to control operation of the driving device. The heating jacket is arranged on the cylinder wall of the drying section. The heating jacket is provided with a hot medium inlet and a hot medium outlet which are connected with an external pipe through a moveable conduit assembly. Since the rotary drying device uses the swing-type rotary furnace, the rotary drum just swings back and forth in certain radian, and the cylinder wall of the rotary drum is provided with the heating jacket and the dry hot gas inlet and outlet. Compared with an existing built-in drying structure, the device is simple in structure, reduced in failure rate, and convenient in maintenance. The invention also discloses a drying technology.

Description

A kind of rotary drying equipment and drying process

Technical field

The present invention relates to technical field of chemical, particularly to a kind of rotary drying equipment.Further relate to one Plant drying process.

Background technology

Being dried of wet stock often uses the mode indirectly heated, and i.e. adds thermal medium and does not directly contact with material. Some dry products may comprise dust, therefore, also can require higher to the sealing property of drying equipment.

Existing drying equipment is usually rotary drying stove, and rotary drying stove is by cylinder, burner and stove tail group Becoming, wherein, the two ends rotary seal of burner and stove tail wound drum immovably connects, with cylinder Static and dynamic sealing is done at two ends, and cylinder is rotated continuously by external driver device.Due to existing revolution The cylinder of drying oven rotates continuously, in order to realize being dried material, it usually needs arrange at drums inside Complicated dry medium pipeline, medium flows in dry medium pipeline, with material partition-wall heat transfer.But The structure of this dry rotary furnace is complicated, and dry medium pipeline is placed in drums inside and is easily subject to the corrosion of material, Fault rate is higher, and is not easy to maintenance.Additionally, due to the cylinder of existing rotary drying stove rotates continuously, Cylinder two ends are relatively big with the sealing surface of burner and stove tail, and therefore, cylinder is difficult with the sealing of burner and stove tail, Air leak rate of air curtain is high, and the particularly rotary furnace of higher temperature working condition, due to expanding with heat and contract with cold and high temperature of body of heater The restriction of dynamic sealing material, sealing effectiveness is very poor, big on production technology impact；Further, since it is dried Journey to consume a large amount of heat energy, and existing rotary drying equipment is due to the restriction of cylinder rotational structure, it is impossible to Make full use of the heat of dry run.

In sum, how to solve existing rotary drying furnace structure complicated, fault rate is high, maintenance inconvenience Problem, become those skilled in the art's problem demanding prompt solution.

Summary of the invention

In view of this, it is an object of the invention to provide a kind of rotary drying equipment, to simplify the knot of equipment Structure, reduces fault rate, it is simple to maintenance.

Further object is that a kind of drying process of offer, to improve efficiency of energy utilization.

For reaching above-mentioned purpose, the present invention provides techniques below scheme:

A kind of rotary drying equipment, including swing type rotary furnace, described swing type rotary furnace includes:

Cylinder, the feed end of described cylinder, higher than the discharge end of described cylinder, is provided with dry in described cylinder Dry section, the gas phase zone barrel of described dryer section is provided with the steam (vapor) outlet connected with described dryer section；

Driving means, is arranged at the outside of described cylinder, is used for driving described cylinder to return around described swing type The pivot center reciprocally swinging of converter；

Support means, is arranged at the outside of described cylinder, for cylinder described in rotational support around described swing The pivot center reciprocally swinging of formula rotary furnace；

Oscillating control device, is connected by wire with described driving means, is used for controlling described driving means Action, controls the radian of the reciprocally swinging of described cylinder；And

Heating jacket and/or dry gas are imported and exported, and described heating jacket is arranged at the barrel of described dryer section Outward, the outer wall of described heating jacket being provided with thermal medium inlet and thermal medium outlet, described thermal medium enters Mouth and described thermal medium outlet are all connected with external pipe by movable conduit tube component；Described dry gas enters Outlet is arranged on the barrel of described cylinder, directly heats the dry gas of material for importing and derivation.

Preferably, in above-mentioned rotary drying equipment, the two ends of described cylinder are the end face closed, institute The charging aperture rotary seal of the feed arrangement and the feed end of described cylinder of stating swing type rotary furnace connects, institute Stating the cross-sectional area cross-sectional area less than described feed end of charging aperture, the axis of described charging aperture is with described The pivot center of swing type rotary furnace overlaps；

The drawing mechanism connection of described swing type rotary furnace is arranged at the discharge end of described cylinder, with described go out The position that the material mutual rotary seal of device coordinates is cylinder material outlet, described cylinder material outlet transversal Area is less than the cross-sectional area of described discharge end, and the axis of described cylinder material outlet returns with described swing type The pivot center of converter overlaps.

Preferably, in above-mentioned rotary drying equipment, described swing type rotary furnace also includes:

Being arranged at the preheating section in described cylinder, described preheating section is positioned at described feed end and described dryer section Between；

The pre-thermal jacket being arranged at outside the barrel of described preheating section, the outer wall of described pre-thermal jacket offers Pre-thermal medium inlet and pre-thermal medium outlet.

Preferably, in above-mentioned rotary drying equipment, described steam (vapor) outlet and described pre-thermal medium inlet Connecting, described pre-thermal medium outlet is connected with external pipe by described movable conduit tube component.

Preferably, in above-mentioned rotary drying equipment, arrange between described preheating section and described dryer section There is dividing plate, and the part of the solid phase area being positioned at described cylinder of described dividing plate is provided with and passes through for material Opening.

Preferably, in above-mentioned rotary drying equipment, at least set in described preheating section and described dryer section Put a described dividing plate.

Preferably, in above-mentioned rotary drying equipment, described thermal medium inlet sets near described discharge end Putting, described thermal medium outlet is arranged near described feed end, and described pre-thermal medium inlet is dried near described Section is arranged, and described pre-thermal medium outlet is arranged near described feed end.

Preferably, in above-mentioned rotary drying equipment, the thermal medium being passed through in described heating jacket is for steaming Vapour, high-temperature gas or conduction oil.

Preferably, in above-mentioned rotary drying equipment, described dry gas is imported and exported and is included dry gas Introducing port and dry gas export mouth, described dry gas introducing port is arranged near the discharge end of described cylinder, Described dry gas export mouth is arranged near the feed end of described cylinder.

Preferably, in above-mentioned rotary drying equipment, also include that cleaner unit, described cleaner unit pass through institute State movable conduit tube component to be connected with described dry gas export mouth.

Preferably, in above-mentioned rotary drying equipment, described dry gas is heated dry air or xeothermic guarantor Protect gas.

Preferably, in above-mentioned rotary drying equipment, also include being arranged at described preheating section and/or described Temperature sensor in dryer section, for detecting the temperature in described preheating section and/or described dryer section, institute State temperature sensor to be connected by wire with the detection control apparatus of swing type rotary furnace.

Preferably, in above-mentioned rotary drying equipment, also include being arranged at described thermal medium inlet, institute State thermal medium outlet, described pre-thermal medium inlet, described pre-thermal medium outlet and/or dry gas to import and export The valve at place, described valve is manually-operated gate and/or automatic valve, and described automatic valve returns with described swing The detection control apparatus of converter is connected by wire.

Preferably, in above-mentioned rotary drying equipment, in described cylinder, it is provided with movable chain.

Preferably, in above-mentioned rotary drying equipment, in the solid phase area of described cylinder, it is provided with material rotating plate.

Present invention also offers a kind of drying process, including step:

S01, utilize thermal medium that material carries out chuck partition to be dried and/or utilize dry gas direct to material Carry out contact drying.

Preferably, in above-mentioned drying process, material is entered by the thermal medium that utilizes in described step S01 Row chuck partition also includes step S011 before being dried, and material carries out chuck partition preheating；Heat is utilized to be situated between Confrontation material carries out chuck partition and is dried the indirect steam of generation chuck partition in described step S011 Preheating material.

Preferably, in above-mentioned drying process, to treating in described step S01 and/or described step S011 Dried material carries out temperature detection, according to the temperature of detection control thermal medium and/or dry gas temperature and/ Or flow, to control the final moisture content of material.

Compared with prior art, the invention has the beneficial effects as follows:

In the rotary drying equipment that the present invention provides, including swing type rotary furnace, the rolling of swing type rotary furnace Being provided with dryer section in Tong, cylinder is driven by driving means, past around the pivot center of swing type rotary furnace Physical pendulum moves, and controls device and controls driving means action, and then controls the radian that cylinder swings.Doing of cylinder It is provided with on the outer tube wall of dry section and is provided with dry gas on the gas phase zone barrel of heating jacket and/or cylinder and enters Outlet, heating jacket is provided with thermal medium inlet and thermal medium outlet, thermal medium inlet and thermal medium and goes out Mouth is connected with external pipe by movable conduit tube component；Dry gas import and export by movable conduit tube component with External heat gas pipeline connects.During work, cylinder coiling under controlling the effect of device and driving means turns Moving axis line reciprocally swinging, material is moved along zigzaggery to discharge end by feed end in cylinder, passes through During dryer section, the thermal medium partition heating that material is heated in chuck, it is dried；And/or dry gas Imported and exported by dry gas and import and derive cylinder, the material in cylinder is carried out Direct Contact Heating. It can be seen that due to rotary drying equipment have employed can around the swing type rotary furnace of pivot center reciprocally swinging, Cylinder, only at certain radian scope reciprocally swinging, therefore, it can arrange heating folder on the periphery wall of cylinder Set and/or be directly connected to external pipe, and by the movable conduit tube component of flexible bending by heating jacket and External pipe connect, be passed through in heating jacket and add thermal medium, with existing by dry medium tube arrange with Compare in cylinder, simple in construction, do not contact with drums inside material, therefore, will not be corroded, therefore Barrier rate reduces, and directly can keep in repair at cylindrical outer.

In the drying process that the present invention provides, material is preheated by the steam utilizing dried material to generate, Thus save the energy, improve the thermal efficiency.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below, Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.

The structural representation of a kind of rotary drying equipment that Fig. 1 provides for the embodiment of the present invention；

The structural representation of the another kind of rotary drying equipment that Fig. 2 provides for the embodiment of the present invention；

The knot of the concentric swing type rotary furnace of a kind of rotary drying equipment that Fig. 3 provides for the embodiment of the present invention Structure schematic diagram；

The swing process schematic diagram of a kind of swing type rotary furnace that Fig. 4 provides for the embodiment of the present invention；

The structural representation of the dividing plate of a kind of swing type rotary furnace that Fig. 5 provides for the embodiment of the present invention；

The cross sectional representation of the material rotating plate of a kind of swing type rotary furnace that Fig. 6 provides for the embodiment of the present invention；

The driving means of a kind of concentric swing rotary furnace that Fig. 7 provides for the embodiment of the present invention and support means Structural representation；

The driving means of the another kind of rotary furnace of swing with one heart that Fig. 8 provides for the embodiment of the present invention and support dress The structural representation put；

The outer eccentric swing rotary furnace of the cylinder of a kind of rotary drying equipment that Fig. 9 provides for the embodiment of the present invention Structural representation；

The driving means of a kind of eccentric swing rotary furnace that Figure 10 provides for the embodiment of the present invention and support means Structural representation；

The driving means of the another kind of eccentric swing rotary furnace that Figure 11 provides for the embodiment of the present invention and support dress The structural representation put；

The driving means of the third eccentric swing rotary furnace that Figure 12 provides for the embodiment of the present invention and support dress The structural representation put；

The driving means of the 4th kind of eccentric swing rotary furnace that Figure 13 provides for the embodiment of the present invention and support dress The structural representation put；

The knot of eccentric swing rotary furnace in the cylinder of a kind of rotary drying equipment that Figure 14 is offer of the present invention Structure schematic diagram；

The structure of the feed arrangement of the outer eccentric swing rotary furnace of a kind of cylinder that Figure 15 provides for the embodiment of the present invention Schematic diagram；

The structure of the drawing mechanism of the outer eccentric swing rotary furnace of a kind of cylinder that Figure 16 provides for the embodiment of the present invention Schematic diagram；

The knot of the drawing mechanism of the outer eccentric swing rotary furnace of another kind of cylinder that Figure 17 provides for the embodiment of the present invention Structure schematic diagram；

The knot of the drawing mechanism of the third outer eccentric swing rotary furnace that Figure 18 provides for the embodiment of the present invention Structure schematic diagram；

The drawing mechanism of the outer eccentric swing bias rotary furnace of the 4th kind of cylinder that Figure 19 provides for the embodiment of the present invention Structural representation.

In Fig. 1-Figure 19,1 for feed arrangement, 101 first push-pull valves, 102 be the second push-pull valve, 2 for rolling Cylinder, 201 be cylinder material outlet, 3 be backing ring, 4 be gear ring, 5 be movable conduit tube component, 501 for being in charge of, 502 be swivel joint, 6 be drawing mechanism, 601 be external stability discharge nozzle, 602 be tremie pipe, 7 for turning over Flitch, 9 be electrical control cubicles, 10 be motor, 11 be driving gear, 12 be support roller, 13 be movable chain, 14 For dividing plate, 15 be balance, 16 for support roller, 17 for bracing frame, 18 for through type swivel joint, 19 be heating jacket, 191 for thermal medium inlet, 192 for thermal medium outlet, 21 for indirect steam export, 22 be dry gas introducing port, 23 be dry gas export mouth, 24 be pre-thermal jacket, 241 for pre-thermal medium Import, 242 be pre-thermal medium outlet, A be the pivot center of swing type rotary furnace, B be the axis of cylinder.

Detailed description of the invention

The core of the present invention there is provided a kind of rotary drying equipment, simplifies device structure, reduces event Barrier rate, it is simple to maintenance.

Present invention also offers a kind of drying process, it is possible to utilize the heat being dried the steam generated to material Preheat, improve heat utilization efficiency.

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.

Refer to Fig. 1-Fig. 3 and Fig. 9 and Figure 14, embodiments provide a kind of rotary drying equipment, bag Including the swing type rotary furnace around pivot center reciprocating rotation, swing type rotary furnace is divided into and swings rotary furnace with one heart With eccentric swing rotary furnace, eccentric swing rotary furnace can be divided into again in cylinder outside eccentric swing rotary furnace and cylinder partially The heart swings rotary furnace；Fig. 3 is the pivot center A of the structural representation swinging rotary furnace with one heart, i.e. rotary furnace Overlap with the axis B of cylinder 2；Fig. 9 is the pivot center A of cylinder outer eccentric swing rotary furnace, i.e. rotary furnace Do not overlap with the axis B of cylinder 2, and the pivot center A of rotary furnace is positioned at the outside of cylinder 2；Figure 14 is cylinder It is internal that the pivot center A of the structural representation of interior eccentric swing rotary furnace, i.e. rotary furnace is positioned at cylinder 2, and The pivot center A of rotary furnace does not overlaps with the axis B of cylinder 2.These three swing type rotary furnace all includes cylinder 2, driving means, support means, oscillating control device and detection control apparatus.

Wherein, driving means is arranged at the outside of cylinder 2, for driving cylinder 2 around swing type rotary furnace Pivot center reciprocally swinging.

Support means is arranged at the outside of cylinder 2, for rotational support cylinder 2 turning around swing type rotary furnace Moving axis line A reciprocally swinging.

Oscillating control device is arranged at the outside of cylinder 2, is connected by wire with driving means, is used for controlling Driving means action, by controlling driving means and then controlling the radian of cylinder 2 reciprocally swinging, the present embodiment In, the radian of cylinder 2 reciprocally swinging is preferably 60 °～360 °, more preferably 180 °～270 °.

The two ends of cylinder 2 are feed end and discharge end respectively, and feed end is higher than the discharge end of cylinder 2, excellent Selection of land, the angle between axis and the horizontal plane of cylinder 2 is 1 °～15 °.Make material permissible in cylinder 2 Deadweight is relied on the most slowly to be slided to discharge end by feed end, convenient discharging, and sliding speed is moderate, It is as the criterion completing every technique.Dryer section II it is provided with, on the barrel of the gas phase zone of dryer section II in cylinder 2 It is provided with the steam (vapor) outlet 21 connected with dryer section II；It is provided with heating jacket on the outer tube wall of dryer section II 19 and/or cylinder 2 gas phase zone barrel on be provided with dry gas import and export, heating jacket 19 is provided with Thermal medium inlet 191 and thermal medium outlet 192, thermal medium inlet 191 and thermal medium outlet 192 are all by living Dynamic conduit tube component 5 is connected with external pipe；Dry gas is imported and exported by movable conduit tube component 5 and external heat Gas pipeline connects, for importing and derive the dry gas of Direct Contact Heating material in cylinder 2.

When above-mentioned rotary drying equipment is operated, as shown in Figure 1-Figure 3, by feed arrangement 1 to cylinder 2 Middle conveying wet stock (hereinafter referred to as material), controls driving means action by oscillating control device, drives Dynamic device drives cylinder 2 reciprocally swinging, under the angle of inclination of cylinder 2 acts on, and the past physical pendulum of cylinder 2 Under Dong, material gradually moves to discharge end along track in a zigzag, and material arrives dryer section II.Can lead to afterwards Cross three kinds of modes material is dried, one be by movable conduit tube component 5 from thermal medium inlet 191 to Being passed through thermal medium in heating jacket 19, the material in dryer section II is added by thermal medium by partition-wall heat transfer Heated drying, in dry run, wet stock generates dry material and steam, and steam discharges rolling from steam (vapor) outlet 21 Cylinder 2, dry material discharges cylinder 2 from drawing mechanism 6, completes to be dried.The second way is by movable conduit Assembly 5 is imported and exported from dry gas and is imported and derive dry gas in cylinder 2, and dry gas directly and rolls In cylinder 2, material carries out contact drying.The third is to import and export to enter by heating jacket 19 and dry gas simultaneously In the ranks connect and direct drying.When needing the material being dried to need protective gas to protect, can be from dry Hot gas is imported and exported and is imported and derive the protective gas being dried, and protective gas is noble gas, carbon dioxide Deng, now, protective gas simply shields, and dry gas is imported and exported and imported and exported as protective gas, It is dried and is completed by heating jacket 19；Or protective gas is xeothermic protective gas, independent or and heating jacket 19 complete to be dried together.

By said process it can be seen that the rotary drying equipment in the present invention uses swing type rotary furnace, pendulum The cylinder 2 of dynamic formula rotary furnace can only in the range of certain radian reciprocally swinging, therefore, it can at cylinder 2 Heating jacket 19 is set on periphery wall and/or dry gas is imported and exported, and by the activity of bending can be bent Heating jacket 19 and dry gas are imported and exported and are connected with external pipe by conduit tube component 5, movable conduit tube component 5 Will not be wrapped on cylinder 2 because of the reciprocally swinging of cylinder 2, hinder the swing of cylinder 2.By at cylinder 2 Dryer section II outer tube wall on arrange heating jacket 19 material in dryer section II is carried out partition heating and/ Or utilize dry gas that material directly carries out contact heating, arrange inside cylinder 2 again in prior art Miscellaneous dry medium tube is compared, and drying structure is simple, and heating jacket 19 does not contacts with the material in cylinder 2, Material will not corrode heating jacket 19, therefore, reduces fault rate, can be to heating jacket 19 from outside Keep in repair, easy to maintenance.

As shown in Fig. 1-Fig. 3 and Fig. 9, rotary drying equipment is optimized further, in the present embodiment, cylinder The two ends of 2 are the end face closed, and cylinder 2 feed end is provided with charging aperture, the axis of charging aperture and swing type The pivot center A of rotary furnace overlaps, and feed arrangement 1 carries out rotary seal with charging aperture and connects, sealing means Can be to use the static and dynamic sealing mode such as packing seal, mechanical seal, feed arrangement 1 maintains static, cylinder 2 Can rotate relative to feed arrangement 1, be static and dynamic sealing between the two, the cross-sectional area of charging aperture is less than feed end Cross-sectional area, the transport axis of feed arrangement 1 (axis that i.e. cylinder 2 rotates relative to feed arrangement 1, also The i.e. axis of charging aperture) overlap with the pivot center A of swing type rotary furnace.

Drawing mechanism 6 connection is arranged at the discharge end of cylinder 2, mutual with drawing mechanism 6 in swing type rotary furnace The position that rotary seal coordinates is cylinder material outlet 201, and material discharges cylinder 2 from cylinder material outlet 201 Or drawing mechanism 6, the cross-sectional area of cylinder material outlet 201 is less than the cross-sectional area of discharge end, cylinder thing The axis of material outlet 201 overlaps with the pivot center A of swing type rotary furnace, the transport axis of drawing mechanism 6 (i.e. the axis of cylinder material outlet 201) overlaps with the pivot center A of swing type rotary furnace.

The connected mode of feed arrangement 1 and drawing mechanism 6 and cylinder 2 and burner of the prior art, stove tail ring Uncovered two ends excircle around cylinder 2 is rotationally connected to be compared, and sealing surface reduces, and seals easily, can use general Logical sealing member seals, and is difficult to leak out, improves the sealing property of equipment.

In order to the dried of wet stock is better achieved, as depicted in figs. 1 and 2, in the present embodiment, On the basis of arranging heating jacket 19 on the barrel of dryer section II, swing type rotary furnace also includes being arranged at Preheating section I in cylinder 2, preheating section I between feed end and dryer section II, the urceolus of preheating section I It is provided with pre-thermal jacket 24 on wall, pre-thermal jacket 24 offers pre-thermal medium inlet 241 and pre-thermal medium goes out Mouth 242.By being passed through the medium for preheating in pre-thermal jacket 24, before it is dried, by pre-thermal jacket The material of 24 pairs of preheating sections I heats in advance, and the temperature of preheating section I is less than the temperature of dryer section II.

Further, as depicted in figs. 1 and 2, in the present embodiment, pre-thermal medium inlet 241 goes out with steam Mouth 21 connects, and pre-thermal medium outlet 242 is connected with external pipe by movable conduit tube component 5.So arrange It is in order to the high temperature secondary steam that dried in dryer section II produces is passed through in pre-thermal jacket 24, utilizes Material is preheated by the waste heat of indirect steam.Improve the thermal efficiency.Save energy resource consumption.Certainly, Medium in pre-thermal jacket 24 can be from external equipment, it is only necessary to by pre-thermal medium inlet 241 by living Dynamic conduit tube component 5 is connected with external equipment.

Further, in order to be better achieved preheating and be dried, as shown in Figure 1, Figure 2 with shown in Fig. 5, this In embodiment, between dryer section II and preheating section I, it is provided with dividing plate 14, it is preferable that the plate face of dividing plate 14 Being perpendicular to the axis of cylinder 2, the position of the solid phase area being positioned at cylinder 2 of dividing plate 14 is provided with opening, is used for Material passes through from opening part.The purpose arranging dividing plate 14 is to preheating section I and dryer section II be separated, Form two different temperature ranges, keep the thermograde of two process sections, thus improve heat further Efficiency.It is of course also possible to be not provided with dividing plate 14, obvious when simply thermograde is not provided with dividing plate 14.

As optimization, as depicted in figs. 1 and 2, in the present embodiment, in preheating section I and dryer section II extremely One dividing plate 14 is set less, thus is divided into some temperature in the respective process section of preheating section I and dryer section II Degree interval, forms further multiple thermogrades, thus preferably conducts heat, improve heat utilization efficiency and Heat transfer efficiency.

As depicted in figs. 1 and 2, in the present embodiment, the thermal medium inlet 191 on heating jacket 19 is near going out Material end is arranged, and thermal medium outlet 192 is arranged near feed end, the pre-thermal medium inlet 241 on pre-thermal jacket 24 Arranging near dryer section II, pre-thermal medium outlet 242 is arranged near feed end.So arrange purpose be for Make the moving direction of the medium flow direction in heating jacket 19 and pre-thermal jacket 24 and the material in cylinder 2 On the contrary, increase the partition-wall heat transfer temperature difference with material, improve heat transfer efficiency.

Further, in the present embodiment, being passed through the thermal medium in heating jacket 19 is steam, High Temperature Gas Body or conduction oil.When thermal medium is steam or high-temperature gas, thermal medium outlet 192 is arranged on heating jacket The lower position of 19, owing to steam or high-temperature gas density are little, steam or high-temperature gas enter heating jacket After in 19, first accumulate in top, therefore, thermal medium outlet 192 is arranged on bottom and can make steam or height Wet body is full of after heating jacket 19 the most out, improves the efficiency of heating surface, and facilitates steam condensed cold Solidifying water is discharged.When thermal medium is conduction oil, then thermal medium outlet 192 is arranged on the upper of heating jacket 19 Portion, in like manner, also for being full of by conduction oil after heating jacket 19 the most out, improves heat transfer efficiency.When So, thermal medium outlet 192 can also be arranged on other position, and the present embodiment is preferred version.

As in figure 2 it is shown, in the present embodiment, dry gas is imported and exported and is included dry gas introducing port 22 and do Hot gas export mouth 23, it is preferable that dry gas introducing port 22 is arranged near the discharge end of cylinder 2, xeothermic Gas export mouth 23 is arranged near the feed end of cylinder 2, and so, dry gas is from dry gas introducing port 22 Enter in cylinder 2 with material counter current contacting heat exchange absorb the moisture content in material, finally derive from dry gas Mouth 23 discharges cylinders 2, improves heat exchange efficiency.Certainly, dry gas introducing port 22 and dry gas export mouth 23 other positions that can also be arranged on cylinder 2 gas phase zone.

Further, in the present embodiment, dry gas export mouth 23 is by movable conduit tube component 5 and dedusting Device connects, and after dry gas completes dry materials in cylinder 2, is discharged into from dry gas export mouth 23 Cleaner unit, discharges after purification.

In the present embodiment, in order to dry temperature is controlled, the preheating section I of the present embodiment and/or Temperature sensor 8 it is provided with in dryer section II, for detecting the temperature in preheating section I and/or dryer section II, Temperature sensor 8 is connected by wire with the detection control apparatus of swing type rotary furnace.Owing to using swing type Rotary furnace, therefore can directly arrange temperature sensor 8 on cylinder 2, and by wire and outside inspection Observing and controlling device connects, and improves the transfer reliability of temperature information.

Further, preheating section I and/or dryer section II arrange pressure transducer, to the pressure in cylinder 2 Power detects, and pressure transducer is connected with detection control apparatus also by wire.

Further, in order to accurately control baking temperature, the present embodiment is situated between in thermal medium inlet 191, heat Matter outlet 192, pre-thermal medium inlet 241, pre-thermal medium outlet 242 and/or dry gas import and export are arranged Valve, valve is manually-operated gate and/or automatic valve, and automatic valve can be electrically operated valve or operated pneumatic valve, Automatic valve is connected with detection control apparatus.Can manually or automatically control the aperture of valve, it is achieved The flow-control of the thermal medium in pre-thermal jacket 24, heating jacket 19, and then to preheating section I and dryer section The temperature of the material in II is controlled；Or the flow directly controlling to enter the dry gas in cylinder 2 comes Control baking temperature.The radian of the swing controlling thermal medium and the temperature of hot-air, cylinder 2 can also be coordinated With frequency, baking temperature and the final moisture content of material are controlled.

As shown in Fig. 1 and Fig. 2 and Fig. 4, the rotary drying equipment in the present embodiment also includes being arranged at cylinder 2 Interior movable chain 13, movable chain 13 may be provided in preheating section I and/or dryer section II, movable chain On 13 inwalls that can be arranged on cylinder 2, movable chain 13 one end is fixed on cylinder 2 inwall, the other end Do not fix, or two ends are each attached on the inwall of cylinder 2, along with the reciprocally swinging of cylinder 2, activity chain Bar 13 relative wall in cylinder 2 constantly slide, and on the one hand can will be attached under the material cleaning on wall Coming, on the other hand, movable chain 13 can promote material to move to discharge end, facilitates the conveying of material. Movable chain 13 can also strengthen the barrel heat transfer to material.Movable chain 13 can also be arranged at dividing plate 14 On, the two ends of movable chain 13 are individually fixed on two plate faces of dividing plate 14, movable chain 13 through every The opening of plate 14, along with the reciprocally swinging of cylinder 2, movable chain 13 can prevent at opening part reciprocally swinging Dividing plate 14 blocks；Certainly, the two ends through the movable chain 13 of dividing plate 14 may be also secured at the upper of cylinder 2 On portion's barrel, or one end is fixed on the barrel of cylinder 2, and the other end is fixed on the plate face of dividing plate 14, Movable chain 13 through dividing plate 14 opening can be unsettled, it is also possible to part is sliding with the contact internal walls of cylinder 2 Dynamic, preferably contact slide, can prevent material from tying wall, improve heat transfer efficiency.Certainly, movable chain 13 Installation form is not limited to the form cited by the present embodiment.

As shown in Fig. 1-Fig. 4, Fig. 6, in the present embodiment, in the solid phase area of cylinder 2, it is provided with material rotating plate 7, The length direction of material rotating plate 7 is parallel with cylinder 2 axis, and along with the swing of cylinder 2, material is turned over by material rotating plate 7 Rise, make material fully break up dry.Return preferably for eccentric swing in swinging rotary furnace and cylinder with one heart Converter, arranges material rotating plate 7 at discharge end near the position of drawing mechanism 6, can be led by material more easily To drawing mechanism 6, when dried material is powder, discharge end material rotating plate 7 and steam (vapor) outlet 21 it Between dividing plate 14 is set, after preventing dust from being kicked up by material rotating plate 7, be mixed in steam.And for pendulum eccentric outside cylinder Dynamic rotary furnace, can be not provided with material rotating plate 7 at discharge end.Contact drying mode direct for dry gas, It is preferably provided with material rotating plate 7, makes material and hot-air be fully contacted heat exchange, improve drying efficiency.

The complete process process of above-mentioned rotary drying equipment is: when swing type rotary furnace runs, and cylinder 2 is by suitable Clockwise and counterclockwise alternate rotation are run, and pending wet stock is transported to by feed arrangement 1 In cylinder 2, material along with the solid phase area rolling in cylinder 2 of the swing rotary of cylinder 2 slide and along the gradient to Discharge end moves along zigzaggery, is fixed on the movable chain 13 of solid phase area inwall in cylinder 2 sliding with material Dynamic, can prevent material from gluing wall, and heat transfer efficiency can be improved；Material is in preheating section I is preheated chuck 24 The Secondary-steam heating of 100～105 DEG C is warmed up to 80～95 DEG C；Material continuation moves into dry to discharge end Dry section II, thermal medium partition heating that what material was heated in chuck 19 add, constantly evaporation moisture content produce 100～ The indirect steam of 105 DEG C, indirect steam discharges cylinder 2 by the steam (vapor) outlet 21 of the gas phase zone of dryer section II, And entering pre-thermal jacket 24 by pre-thermal medium inlet 241, indirect steam rolls entering in pre-thermal jacket 24 Clammy material heating in cylinder 2, forms condensed water after part indirect steam release steam latent heat, uncooled Indirect steam and condensed water are discharged by the pre-thermal medium outlet 242 on pre-thermal jacket 24；Dried material Enter discharge end along swing type rotary furnace axially across dividing plate 14, discharge cylinder 2 by drawing mechanism 6.Also Can import and export separately through dry gas and import and derive dry gas in cylinder 2, dry gas is to thing Material direct contact heat transfer is dried.Or pre-thermal jacket 24, heating jacket 19 and dry gas are imported and exported simultaneously Work, is the most indirectly and directly dried.

Above-mentioned movable conduit tube component 5 is optimized by the present embodiment, and movable conduit tube component 5 has three kinds Form, is all applicable to swing rotary furnace and eccentric swing rotary furnace with one heart, and accompanying drawing has been merely given as three kinds of work The dynamic conduit tube component 5 mounting structure in the rotary furnace of a certain version, three kinds of movable conduit tube components 5 with Swing rotary furnace with one heart and eccentric swing rotary furnace can combination in any.The first movable conduit tube component 5 is soft Pipe, is connected flexible pipe with cylinder 2 by a nipple on cylinder 2 outer wall, and the flexible pipe other end is with outside Equipment connects, and flexible pipe can bend, it is ensured that flexible pipe long enough, will not produce the swing of cylinder 2 and interfere, Owing to cylinder 2 swings in the range of certain radian, therefore flexible pipe will not be wrapped on cylinder 2.With flexible pipe even The nipple connect can be arranged on optional position on the outer wall of cylinder 2, as long as there is not soft tube winding.

As Figure 1-Figure 4, movable conduit tube component 5 is in charge of 501 by least two to the second activity conduit tube component 5 It is formed by connecting by swivel joint 502 head and the tail.When working due to rotary furnace, temperature is higher, and movable conduit The medium being passed through in assembly 5, some temperature is the highest, and therefore movable conduit tube component 5 preferably employs hard The pipe of exotic material, and in order to not hinder the swing of cylinder 2, by swivel joint 502 by least two 501 head and the tail of being in charge of of hard are rotationally connected, and along with the swing of cylinder 2, are in charge of between 501 and relatively rotate, and Without limitation on the swing of cylinder 2, one of them is in charge of 501 and passes through swivel joint with the nipple on cylinder 2 502 connections, another is in charge of 501 and is connected by swivel joint 502 with external pipe.Activity in Fig. 4 is led Pipe assembly 5 is rotationally connected by swivel joint 502 head and the tail forms for being in charge of 501 by three, cylinder 2 from from the beginning of Position swings along a direction, and during swing, drive activity conduit tube component 5 rotates, whole during, movable The swing of cylinder 2 will not be produced by conduit tube component 5 to be interfered, the optional outer tube wall swinging rotary furnace with one heart Top or bottom arrange nipple, and this nipple is connected by swivel joint 502 with being in charge of 501, as long as living Dynamic conduit tube component 5 does not interferes with the swing of cylinder 2.

The third movable conduit tube component 5 is as shown in Fig. 9-Figure 11, Figure 14, and movable conduit tube component 5 swings for fixing Pipe 503, for swinging with one heart the fixing swing pipe 503 of rotary furnace, it arranges similar with arranging in Figure 14, The one end i.e. fixing swing pipe 503 is fixedly connected on the outer wall of cylinder 2, if there being heat exchange jacket, permissible It is fixed on heat exchange jacket；The other end of fixing swing pipe 503 extends to swing with one heart the outside two of rotary furnace End, and be rotatably connected with external pipe by swivel joint 502, swivel joint 502 is arranged in swing with one heart The outside two ends of rotary furnace, and the cylinder 2 of the rotation axis of swivel joint 502 and concentric swing rotary furnace The extended line of axis B overlaps.Swing rotary furnace is when reciprocally swinging with one heart, and fixing swing pipe 503 is with cylinder 2 Axis B around cylinder 2 swings together, and the swing of cylinder 2 will not be produced by fixing swing pipe 503 to be interfered, with Time can be passed through fluid foods or thermal source in cylinder 2 or heat exchange jacket.One end of fixing swing pipe 503 can To be fixed on top or the bottom of the outer tube wall of cylinder 2.

For the fixing swing pipe 503 of eccentric swing rotary furnace, if eccentric swing rotary furnace in cylinder, then Arranging of fixing swing pipe 503 is similar with arranging of concentric swing rotary furnace, as shown in figure 14, and fixing swing Pipe 503 one end is fixedly connected on the outer wall of cylinder 2 or on heat exchange jacket, the other end of fixing swing pipe 503 The outside two ends of eccentric rotary furnace in extending cylinder, and rotated even with external pipe by swivel joint 502 Connecing, swivel joint 502 is arranged in the outside two ends of eccentric swing rotary furnace in cylinder, and swivel joint 502 Rotation axis overlaps with the extended line of the pivot center A of eccentric swing rotary furnace in cylinder, and operation principle is with concentric Swing the identical of rotary furnace.If the outer eccentric swing rotary furnace of cylinder, its pivot center A is positioned at cylinder 2 Below outside, then fixing the setting of swing pipe 503 as Figure 9-Figure 11, one end of fixing swing pipe 503 is solid Surely being connected on bottom or the heat exchange jacket of cylinder 2, the other end of fixing swing pipe 503 passes through swivel joint 502 are rotatably connected with external pipe, and swivel joint 502 is positioned at the lower section of cylinder 2, and its rotation axis and cylinder The pivot center A of outer eccentric swing rotary furnace overlaps.Operation principle is as it has been described above, repeat no more.

As shown in Fig. 1-Fig. 3, Fig. 9, Figure 14, Figure 15, present embodiments provide a kind of concrete feed arrangement 1, feed arrangement 1 can be spiral feeding conveyer or piston charger.Such as Fig. 1-Fig. 3, Fig. 9, Figure 14 Shown in, spiral feeding conveyer is circular tube structure, is provided with screw mechanism, the one of feed arrangement 1 in pipe End offers opening up feed bin, for eccentric swing rotary furnace, spiral shell in swing rotary furnace with one heart and cylinder The pipe of precession material conveyer is connected with the end face rotary seal of the feed end of cylinder 2, and pipe can be by straight-through Formula swivel joint 18 (through type swivel joint 18 is a kind of static and dynamic sealing connector) and the end face of feed end It is rotationally connected, and the transport axis of spiral feeding conveyer overlaps with the pivot center of cylinder 2.If used Piston charger, its structure is identical with the structure in Figure 15, then the conveying pipe of piston charger is same and rolls The end face of the feed end of cylinder 2 is connected by through type swivel joint 18 rotary seal, and piston charger is defeated Sending the transport axis of pipe to overlap with the pivot center of cylinder 2, the piston that piston charger passes through to move back and forth will Material pushes and enters in cylinder 2.No matter using which kind of feed arrangement 1, in remaining conveying pipe, there is one Dividing and be full of by material, form vapour lock, in preventing cylinder 2, gas is altered outside cylinder 2 by feed arrangement 1, or rolling Cylinder 2 outer air enter in cylinder 2 from feed arrangement 1；In order to sealing is better achieved, at piston charger First push-pull valve 101 is set at feed bin, the conveying pipe of piston charger arranges the second push-pull valve 102. During charging, the second push-pull valve 102 is opened, and the first push-pull valve 101 cuts out that (when preventing piston material pushing, material is past Upper extrusion conveying pipe returns feed bin), piston advances material by straight-through under the promotion of cylinder or oil cylinder Rotary furnace sent into by formula swivel joint 18 and conveying pipe；Close the second push-pull valve 102 after charging (to prevent from living Get back into feed back when moving back), open the first push-pull valve 101, piston is rollback under the pulling of cylinder or oil cylinder, thing Expect in the conveying pipe that the feed opening by opening the first push-pull valve 101 enters piston charger.

The conveying pipe of above-mentioned feed arrangement 1 carries out rotary seal with the end face of the feed end of cylinder 2 and is connected, Compared with the large area sealing surface of the burner wound drum one end in existing rotary furnace, the charging in the present invention Device 1 is little with the rotary seal face of cylinder 2, only has only to common packing seal or sealing ring just can be expired Foot seal request, seals simple, reduces sealing cost, be difficult to leak out.Ensure that material in cylinder 2 Reaction mass.

Above feed arrangement 1 is equally applicable to eccentric swing rotary furnace, turns round for eccentric swing in cylinder Stove, the structure of feed arrangement 1 and mounting means swing the identical of rotary furnace with concentric；Eccentric pendulum outer for cylinder Dynamic rotary furnace, as it is shown in figure 9, the end face of the feed end of cylinder 2 may extend to pivot center A, at this end face On offer charging aperture, the conveying Guan Keyu of feed arrangement 1 extends to end face at pivot center A by straight-through Formula swivel joint 18 rotary seal connects；Or the feed end end face of cylinder 2 is not extend to pivot center A, But at cylinder one pipeline of connection of feed end, pipeline has charging aperture, feed arrangement 1 and this pipeline On charging aperture rotary seal connect, as shown in figure 15, if the transport axis of feed arrangement 1 and rotary furnace Pivot center A overlap, do not repeat them here.

As shown in Figure 1-Figure 3, the drawing mechanism 6 of a kind of concentric swing rotary furnace, discharging are present embodiments provided Device 6 is spiral discharging conveyer, the conveying pipe of spiral discharging conveyer and the end face of the discharge end of cylinder 2 Rotary seal connects, and conveying pipe overlaps with the axis B of cylinder 2, then cylinder material outlet 201 is arranged at out On the end face of material end, the conveying pipe of spiral discharging conveyer maintains static, and cylinder 2 rotates to it.Conveying Pipe is positioned at the part of cylinder 2, and its top offers blow tank, and material flips up in cylinder 2, and Conveying pipe, final discharge conveying pipe is entered from blow tank.

As shown in Fig. 9-Figure 11, Figure 16-Figure 19, present embodiments provide going out of three kinds of eccentric swing rotary furnaces Material device 6, in cylinder, the drawing mechanism 6 of eccentric swing rotary furnace uses and swings, with concentric, the spiral shell that rotary furnace is identical Screwing out material conveyer, for convenience discharging, in cylinder 2, the solid material near spiral discharging conveyer moves Dynamic region arranges material rotating plate 7.The outer eccentric swing rotary furnace of cylinder is identical with concentric swing rotary furnace except using Spiral discharging conveyer outside, the drawing mechanism 6 of the outer eccentric swing rotary furnace of cylinder can also be piston discharging machine Or discharge pipe.As shown in figure 16, the drawing mechanism 6 of the outer eccentric swing rotary furnace of cylinder carries for spiral discharging Machine, the discharge end of the conveying Guan Keyu cylinder 2 being positioned at cylindrical outer of spiral discharging conveyer extend to turn The end face of moving axis line A is connected by through type swivel joint 18 rotary seal, in such cases, and cylinder material Outlet 201 is arranged on the discharge end end face of extension；Or the discharge end end face of cylinder 2 is not extend to rotate Axis A, the conveying pipe of spiral discharging conveyer and the pipeline being arranged on the cylinder of discharge end are by straight Formula swivel joint 18 rotary seal connects, then cylinder material outlet 201 is the mouth of pipe of this pipeline.Such as Figure 17 Shown in, the drawing mechanism 6 of the outer eccentric swing rotary furnace of cylinder is piston discharging machine, the conveying pipe of piston discharging machine Connect with the cylinder of the discharge end of cylinder 2, and eccentric swing outer with the cylinder revolution of the transport axis of piston discharging machine The pivot center A of stove overlaps.The outlet of the conveying pipe of piston discharging machine is passed through with external stability discharge nozzle 601 Through type swivel joint 18 rotary seal connects, then cylinder material outlet 201 is the conveying pipe of piston discharging machine Outlet.On the cylinder inboard wall of discharge end, be provided with movable chain 13 in cylinder 2, the cylinder of cylinder 2 with The position that drawing mechanism 6 connects is slope, and material is slipped in drawing mechanism 6 by slope, is finally discharged.

As shown in figure 18, the drawing mechanism 6 of the outer eccentric swing rotary furnace of another kind of cylinder is discharge pipe, this reality Executing example and enumerate the form that arranges of two kinds of discharge pipes, the end face of a kind of discharge end being cylinder 2 extends to rotate Axis A, offers cylinder material outlet 201, cylinder material outlet 201 on the end face of the discharge end of cylinder 2 Arrange near the bottom of the end face of discharge end, and the axis of cylinder material outlet 201 eccentric swing outer with cylinder returns The pivot center A of converter overlaps, and the solid phase area barrel of cylinder 2 and cylinder material outlet 201 pass through sloped transition Connect, it is simple to solid material slides to cylinder material outlet 201 along slope；Discharge pipe and cylinder material outlet 201 rotary seals connect, and can be connected by through type swivel joint 18, and discharge pipe is bending pipeline, to Lower right-angle bending, slope and/or discharge pipe are provided with movable chain 13.Pendulum along with movable chain 13 Dynamic, material is delivered to cylinder material outlet 201, and discharges from discharge pipe.

As shown in figure 19, the end face of the discharge end of cylinder 2 is not extend to the form that arranges of another kind of discharge pipe Pivot center A；The solid phase area barrel of the close discharge end of cylinder 2 offers feed opening, feed opening with under Material pipe 602 connects, and discharge pipe is tightly connected with the mouth rotation of this tremie pipe 602, specifically can be by straight Formula swivel joint 18 is rotationally connected, then cylinder material outlet 201 be tremie pipe 602 outlet, discharging The pivot center A of the pivot center of pipeline eccentric swing rotary furnace outer with cylinder overlaps.As long as being capable of outside cylinder The discharging of eccentric swing rotary furnace, it is not limited to the version cited by the present embodiment.

As it is shown on figure 3, embodiments provide a kind of concrete driving means and support means, for Swinging rotary furnace with one heart, driving means is concentric gear gear ring driving means, and support means is concentric support roller Backing ring support means；Wherein, concentric support roller backing ring support means includes at least two group backing rings 3 and support roller 12, Backing ring 3 is fixed on the periphery wall of cylinder 2, and the axis of backing ring 3 overlaps with the axis B of cylinder 2, backing ring 3 Outer peripheral surface contacts support with support roller 12, and support roller 12 is positioned at the lower section of backing ring 3, and the rotating shaft position of support roller 12 is solid Fixed motionless, an at least corresponding support roller 12 of backing ring 3, preferably two support rollers 12, it is used for supporting cylinder The rotation of 2, two groups of backing rings 3 and support roller 12 are preferably provided in the position near cylinder 2 two ends, support more Steadily.Concentric gear gear ring driving means includes least one set gear ring 4, driving gear 11 and power part 10, Gear ring 4 is fixed on the periphery wall of cylinder 2, and the axis of gear ring 4 overlaps with the axis B of cylinder 2, gear ring 4 with Driving gear 11 engages, and driving gear 11 is in transmission connection with power part 10, and power part 10 can be electricity Machine or hydraulic motor, power part 10 is if motor, then driving gear 11 passes with motor via reducer Being dynamically connected, power part 10 is if hydraulic motor, then driving gear 11 can directly connect with hydraulic motor Connect or connected by speed reducer drive.Power part 10 is connected by wire with oscillating control device, swings Control device and control the rotation direction of power part 10, drive driving gear 11 reciprocal by power part 10 Rotate, and then drive gear ring 4 and cylinder 2 around pivot center A reciprocally swinging.Preferably, gear ring 4 can be by Backing ring 3 and profile of tooth circle composition, i.e. fix profile of tooth circle on the either side vertical with its axis of backing ring 3, Profile of tooth circle rotates with backing ring 3, forms gear ring 4, and the manufacture of such gear ring 4 can utilize backing ring 3, fall Low manufacture difficulty and manufacturing cost, the backing ring 3 being simultaneously fixed with profile of tooth circle can also continue to join with support roller 12 Close and support；Or profile of tooth circle is fixed on the outer ring of backing ring, form gear ring 4.The structure shape of this gear ring 4 Formula is particularly well-suited to eccentric swing rotary furnace, swings rotary furnace with one heart and uses equally.Certainly, gear ring 4 also may be used With separately fabricated, it is structure as a whole.

As it is shown in fig. 7, present embodiments provide the another kind of driving means swinging rotary furnace with one heart and support dress Putting, driving means is concentric push rod driving means, and support means is concentric support roller backing ring support means；Its In with one heart support roller backing ring support means include least one set backing ring 3 and support roller 12；Backing ring 3 is fixed on cylinder 2 On periphery wall, and the axis of backing ring 3 overlaps with the axis B of cylinder 2；The outer peripheral surface of support roller 12 and backing ring 3 Supporting contact, support roller 12 is positioned at the bottom of backing ring 3, and the fixing difference in the position of support roller 12, for rotational support Backing ring 3；One backing ring 3 preferably engages with two support rollers 12, it is highly preferred that include two groups of backing rings 3 and torr Wheel 12, and lay respectively at cylinder 2 two ends, support more stable.Push rod driving means includes at least one with one heart Individual telescoping cylinder 19, the expansion link of telescoping cylinder 19 is hinged with cylinder 2, the fixing end of telescoping cylinder 19 and fixing table-hinges Connect, stretching by expansion link, drive cylinder 2 reciprocally swinging.Specifically, the outer wall of cylinder 2 is arranged Having body cradle, body cradle extends radially out along cylinder 2, and the expansion link of telescoping cylinder 19 is articulated with body cradle Outer end, such that it is able to avoid expansion link to encounter cylinder 2 during flexible.The present embodiment preferably employs Two telescoping cylinders 19, body cradle should be two mutually, and the axis B of two body cradle opposing roller 2 is the most right Claiming to arrange, the expansion link of two telescoping cylinders 19 is hinged with upper and lower two body cradles respectively, two telescoping cylinders 19 Expansion link be hingedly connected to be positioned on the fixed station of cylinder 2 both sides, the line level between two fixed stations The pivot center A arranging and swinging the most with one heart rotary furnace is symmetrical, alternately stretching by two telescoping cylinders 19 Realize the reciprocally swinging of cylinder 2.Certainly, the quantity of telescoping cylinder 19 can also is that one, three or more Individual, the position of telescoping cylinder 19 is arranged according to practical situation, it is not limited to cited by the present embodiment Form, as long as being capable of the reciprocally swinging of cylinder 2.

As shown in Figure 8, present embodiments provide the third driving means swinging rotary furnace with one heart and support dress Putting, driving means is least one set concentric support roller backing ring driving means, and support means is the concentric support roller of many groups Backing ring support means；Wherein, often organize concentric support roller backing ring support means and include backing ring 3 and support roller 12, backing ring On 3 periphery walls being fixed on cylinder 2, and the axis of backing ring 3 overlaps with the axis B of cylinder 2；Outside support roller 12 Circle surface supports with backing ring 3 and contacts, and support roller 12 is positioned at the bottom of backing ring 3, the fixing difference in the position of support roller 12, For rotational support backing ring 3；One backing ring 3 preferably coordinates support with two support rollers 12, it is highly preferred that Including two groups of backing rings 3 and support roller 12, and lay respectively at cylinder 2 two ends, support more stable.Support roller with one heart Backing ring driving means includes backing ring 3, support roller 12 and power part 10, and backing ring 3 is fixed on the periphery wall of cylinder 2 On, and the axis of backing ring 3 overlaps with the axis B of cylinder 2；The outer peripheral surface of support roller 12 supports with backing ring 3 and connects Touching, support roller 12 is positioned at the bottom of backing ring 3, and the fixing difference in the position of support roller 12, for rotational support backing ring 3； One backing ring 3 preferably coordinates support, power part 10 to be in transmission connection with support roller 12 with two support rollers 12, dynamic Power parts 10 drive support roller 12 reciprocating rotation, drive backing ring by the stiction between support roller 12 and backing ring 3 3 reciprocally swingings, and then make cylinder 2 reciprocally swinging.

As it is shown in figure 9, present embodiments provide the driving means of a kind of eccentric swing rotary furnace and support dress Putting, driving means is eccentric gear gear ring driving means, and support means, for supporting roller support means, supports Roller support means is only applicable to the outer eccentric swing rotary furnace of cylinder, therefore with driving that support roller support means combines Dynamic device and support means are only applicable to the outer eccentric swing rotary furnace of cylinder；Wherein, eccentric gear gear ring drives Device includes gear ring 4, driving gear 11 and power part 10, and gear ring 4 is fixed on the outer wall of cylinder 2, and The axis of gear ring 4 overlaps with the pivot center A of eccentric swing rotary furnace, and gear ring 4 engages with driving gear 11, Driving gear 11 is in transmission connection with power part 10, and power part 10 is identical with swing rotary furnace with one heart, Do not repeat them here.Power part 10 is connected with oscillating control device wire, and oscillating control device controls dynamic The rotation direction of power parts 10, power part 10 drives driving gear 11 to rotate, and driving gear 11 drives tooth Circle 4 and cylinder 2 are around the pivot center A reciprocally swinging of eccentric swing rotary furnace.Support roller support means include to Few two groups of bracing frames 17 and support roller 16, wherein, bracing frame 17 maintains static, and supports roller 16 and is rotationally connected On bracing frame 17, and the pivot center supporting roller 16 overlaps with the pivot center A of eccentric swing rotary furnace, The bottom of cylinder 2 is fixing with support roller 16 to be connected, and balance 15 is fixed on support roller 16, preferably The mass axis relative eccentric of ground, the mass axis of balance 15 and cylinder 2 swings the rotation of rotary furnace Axis A is arranged symmetrically with, it is possible to asymmetric setting, and two groups of bracing frames 17 and support roller 16 are the most close The two ends of cylinder 2 are arranged, and make support more steady.

As shown in Figure 10, driving means and the support of another kind of eccentric swing rotary furnace are present embodiments provided Device, driving means is eccentric gear gear ring driving means, and support means is that eccentric support roller backing ring supports dress Putting, the combination of this driving means and support means is applicable to eccentric swing rotary furnace and the outer bias of cylinder in cylinder Swing rotary furnace.Wherein, eccentric gear gear ring driving means includes gear ring 4, driving gear 11 and power part Part 10, the eccentric gear gear ring driving means in the present embodiment and the eccentric gear gear ring driving means in Fig. 9 Identical, do not repeat them here.Eccentric support roller backing ring support means includes at least two group backing rings 3 and support roller 12, Backing ring 3 is fixed on the periphery wall of cylinder 2, and the pivot center of the axis of backing ring 3 and eccentric swing rotary furnace A overlaps, and a backing ring 3 contacts support with at least one support roller 12, is used for supporting backing ring 3 and rotates, backing ring 3 On be provided with balance 15, it is preferable that the gravity axis of the mass axis of balance 15 and cylinder 2 Line relative eccentric swings the pivot center A of rotary furnace and is arranged symmetrically with, it is possible to unsymmetrical arrangement, as long as making revolution The mass axis of stove is near the pivot center of rotary furnace.As shown in fig. 10 and fig. 12, gear ring and backing ring Can be that part is round or completely circular structure, i.e. gear ring 4 and backing ring 3 is circular plate structure, circular slab is processed Going out the arc notch for being embedded in cylinder 2 or circular hole, the outward flange of gear ring 4 and backing ring 3 exceedes the axle of cylinder 2 Line the edge near or above cylinder 2, to improve fixing intensity.

As shown in figure 11, driving means and the support of the third eccentric swing rotary furnace are present embodiments provided Device, driving means is eccentric support roller backing ring driving means, and support means is driven for the eccentric support roller backing ring of many groups Dynamic device, at least two groups, the combination of this driving means and support means is applicable to the outer eccentric swing of cylinder Eccentric swing rotary furnace in rotary furnace and cylinder；Wherein, often the eccentric support roller backing ring support means of group includes backing ring 3 With support roller 12, backing ring 3 is fixed on the periphery wall of cylinder 2, the axis of backing ring 3 and eccentric swing rotary furnace Pivot center A overlaps, and support roller 12 contacts support with the outer peripheral surface of backing ring 3, and the axis of support roller 12 is fixing not Dynamic, for rotational support backing ring 3；The outer peripheral surface of one backing ring 3 preferably contacts with two support rollers 12 and props up Support, it is highly preferred that include two groups of backing rings 3 and support roller 12, and lays respectively at cylinder 2 two ends, supports more Stable.Eccentric support roller backing ring driving means includes backing ring 3, support roller 12 and power part 10, power part 10 Being in transmission connection with support roller 12, power part 10 drives support roller 12 reciprocating rotation, by support roller 12 and backing ring 3 it Between stiction drive backing ring 3 reciprocally swinging, and then make cylinder 2 reciprocally swinging.It is provided with on backing ring 3 and joins Weight balance weight 15, it is preferable that the mass axis of balance 15 and the mass axis relative eccentric of cylinder 2 The pivot center A swinging rotary furnace is arranged symmetrically with.

As shown in figure 12, driving means and the support of the 4th kind of eccentric swing rotary furnace are present embodiments provided Device, driving means is eccentric push rod driving means, and support means is eccentric support roller backing ring support means, The combination of this driving means and support means is applicable to eccentric swing in the outer eccentric swing rotary furnace of cylinder and cylinder Rotary furnace；Wherein, eccentric support roller backing ring support means includes at least two group backing rings 3 and support roller 12, backing ring 3 It is fixed on cylinder 2 outer wall, and the axis of backing ring 3 overlaps with the pivot center A of eccentric swing rotary furnace, torr The outer peripheral surface of circle 3 contacts support with at least one support roller 12, is used for supporting backing ring 3 and rotates, backing ring 3 sets It is equipped with balance 15, it is preferable that the mass axis phase of the mass axis of balance 15 and cylinder 2 The pivot center A of eccentric swing rotary furnace is arranged symmetrically with.Eccentric push rod driving means includes telescoping cylinder 19, The quantity of telescoping cylinder 19 is preferably two, is arranged symmetrically in the both sides of cylinder 2, the expansion link of telescoping cylinder 19 End is hinged with backing ring 3, and the fixing end of telescoping cylinder 19 is hinged with fixed station, stretching of two telescoping cylinders 19 The vertical radial symmetric of 2 relative backing rings 3 that bar is hinged with backing ring 3, the fixing end of two telescoping cylinders 19 with Two pin joints of fixed station are positioned on same level line, replacing by the expansion link of two telescoping cylinders 19 Flexible, drive backing ring 3 reciprocating rotation, and then drive cylinder 2 reciprocally swinging.Certainly, the number of telescoping cylinder 19 Amount can also is that one, three or more.The position of telescoping cylinder 19 determines according to practical situation, only Cylinder 2 be ensure that can reciprocally swinging.

As shown in figure 13, driving means and the support of the 5th kind of eccentric swing rotary furnace are present embodiments provided Device, driving means is eccentric push rod driving means, and support means is for supporting roller support means, owing to propping up Support arrangement uses and supports roller support means, then the combination of this driving means and support means is only applicable to outside cylinder Eccentric swing rotary furnace；Wherein, support roller support means and include at least two group bracing frames 17 and support roller 16, Identical with the support roller support means in Fig. 9, do not repeat them here.Balance 15 is fixed on support roller On 16, it is preferable that the mass axis of balance 15 swings back with the mass axis relative eccentric of cylinder 2 The pivot center A of converter is arranged symmetrically with.Eccentric push rod driving means includes body cradle and at least one telescoping cylinder 19, telescoping cylinder 19 is preferably two, is arranged symmetrically in the both sides of cylinder 2, and body cradle is fixed on support roller 19 On, the expansion link of two telescoping cylinders 19 is hinged with the two ends of body cradle respectively, increases torque by body cradle, The fixing end of telescoping cylinder 19 is hinged with fixed station, the fixing end of two telescoping cylinders 19 and two hinges of fixed station Contact is positioned on same level line, alternately stretching by the expansion link of two telescoping cylinders 19, drives and supports Roller 16 reciprocating rotation, and then drive cylinder 2 reciprocally swinging.Certainly, the quantity of telescoping cylinder 19 can also is that one Individual, three or more.The position of telescoping cylinder 19 determines according to practical situation, as long as ensure that rolling Cylinder 2 can reciprocally swinging.

In the present embodiment, telescoping cylinder 19 can be electric expansion cylinder, hydraulically extensible cylinder or Pneumatic extension cylinder. Telescoping cylinder 19 is connected with controlling device, controls the flexible of telescoping cylinder 19 by controlling device, it is achieved cylinder 2 Reciprocally swinging.

As depicted in figs. 1 and 2, embodiments provide a kind of concrete oscillating control device, including Position sensor and electrical control cubicles 9.Wherein, position sensor is fixed in cylinder 2 or driving means, is used for The radian of the reciprocally swinging of monitoring cylinder 2, and send, to electrical control cubicles 9, the positional information that cylinder 2 swings；Automatically controlled Cabinet 9 is all connected by wire with position sensor and driving means, and electrical control cubicles 9 is for receiving position sensor Positional information, when positional information is the extreme position that cylinder 2 swings, i.e. reach cylinder 2 one direction During big oscillator arc, electrical control cubicles 9 controls motor 10 and changes rotation direction, or electrical control cubicles controls telescoping cylinder 19 Telescopic direction, it is achieved control cylinder 2 reciprocally swinging.Detection control apparatus and oscillating control device can collect In Cheng Yi electrical control cubicles, then temperature sensor 8 is connected with electrical control cubicles 9 by wire, detection control apparatus Different equipment can also be separately set in oscillating control device.

As long as being capable of the reciprocally swinging to swing type rotary furnace control and drive, the control of other form Device and driving means can also use, it is not limited to the version cited by the present invention.

The embodiment of the present invention additionally provides a kind of drying process, comprises the following steps:

Step S01, utilize thermal medium that material carries out chuck partition to be dried and/or utilize dry gas to material Directly carry out contact drying, obtain dry material.Wherein, thermal medium is steam, high-temperature gas or conduction oil. Dry gas can be heated dry air or xeothermic protective gas, for needing the dry materials of gas shield, Then be passed through xeothermic protective gas, if not with the noble gas of material generation oxidation reaction, carbon dioxide etc..

Further, in the present embodiment, material is carried out between chuck by the thermal medium that utilizes in step S01 Wall also includes step S011 before being dried, and material carries out chuck partition preheating, and material is warming up to 80～95 DEG C； Utilize thermal medium that material carries out chuck partition and be dried the indirect steam of generation chuck in step S011 Partition preheating material, the temperature of indirect steam reaches 100～105 DEG C.

Visible, before the drying material is preheated, and two generated when the thermal medium of preheating is to be dried Secondary steam, has recycled the heat of indirect steam, has improve the thermal efficiency, reduced energy resource consumption.

Further, in the present embodiment, the material to be dried in step S01 and/or step S011 is entered Trip temperature detects, and controls thermal medium and/or the temperature of dry gas and/or flow according to the temperature of detection, with Control the final moisture content of material.

The concrete application of this drying process, described in the rotary drying equipment, does not repeats them here.

Rotary drying equipment in the present invention completes based on this drying process, this back tender of other utilization The equipment of skill also belongs to protection scope of the present invention.

In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art See, generic principles defined herein can without departing from the spirit or scope of the present invention, Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.

Claims

1. a rotary drying equipment, it is characterised in that include that swing type rotary furnace, described swing type return Converter includes:

Cylinder (2), the feed end of described cylinder (2) is higher than the discharge end of described cylinder (2), described It is provided with dryer section (II) in cylinder (2), the gas phase zone barrel of described dryer section (II) is provided with The steam (vapor) outlet (21) connected with described dryer section (II)；

Driving means, is arranged at the outside of described cylinder (2), is used for driving described cylinder (2) around institute State the pivot center reciprocally swinging of swing type rotary furnace；

Support means, is arranged at the outside of described cylinder (2), for cylinder described in rotational support (2) Pivot center reciprocally swinging around described swing type rotary furnace；

Oscillating control device, is connected by wire with described driving means, is used for controlling described driving means Action, controls the radian of the reciprocally swinging of described cylinder (2)；And

Heating jacket (19) and/or dry gas are imported and exported, and described heating jacket (19) is arranged at described Outside the barrel of dryer section (II), the outer wall of described heating jacket (19) is provided with thermal medium inlet (191) Equal with thermal medium outlet (192), described thermal medium inlet (191) and described thermal medium outlet (192) It is connected with external pipe by movable conduit tube component (5)；Described dry gas is imported and exported and is arranged at described rolling On the gas phase zone barrel of cylinder (2), and by described movable conduit tube component (5) and external heat gas pipeline Connect, for importing and derive the dry gas of Direct Contact Heating material.

Rotary drying equipment the most according to claim 1, it is characterised in that described cylinder (2) Two ends be the end face closed, the feed arrangement (1) of described swing type rotary furnace and described cylinder (2) The charging aperture rotary seal connection of feed end, the cross-sectional area of described charging aperture is less than described feed end Cross-sectional area, the axis of described charging aperture overlaps with the pivot center of described swing type rotary furnace；

Drawing mechanism (6) connection of described swing type rotary furnace is arranged at the discharge end of described cylinder (2), The position that mutually rotary seal coordinates with described drawing mechanism (6) is cylinder material outlet (201), institute State the cross-sectional area cross-sectional area less than described discharge end of cylinder material outlet (201), described cylinder thing The axis of material outlet (201) overlaps with the pivot center of described swing type rotary furnace.

Rotary drying equipment the most according to claim 2, it is characterised in that described swing type turns round Stove also includes:

The preheating section (I) being arranged in described cylinder (2), described preheating section (I) be positioned at described in enter Between material end and described dryer section (II)；

The pre-thermal jacket (24) being arranged at outside the barrel of described preheating section (I), described pre-thermal jacket (24) Outer wall on offer pre-thermal medium inlet (241) and pre-thermal medium outlet (242).

Rotary drying equipment the most according to claim 3, it is characterised in that described steam (vapor) outlet (21) Being connected with described pre-thermal medium inlet (241), described pre-thermal medium outlet (242) is by described activity Conduit tube component (5) is connected with external pipe.

Rotary drying equipment the most according to claim 3, it is characterised in that described preheating section (I) And be provided with dividing plate (14) between described dryer section (II), and described dividing plate (14) be positioned at described Part in the solid phase area of cylinder (2) is provided with the opening passed through for material.

Rotary drying equipment the most according to claim 5, it is characterised in that described preheating section (I) Interior with described dryer section (II) at least provided with a described dividing plate (14).

Rotary drying equipment the most according to claim 3, it is characterised in that described thermal medium inlet (191) arranging near described discharge end, described thermal medium outlet (192) is arranged near described feed end, Described pre-thermal medium inlet (241) is arranged near described dryer section (II), described pre-thermal medium outlet (242) Arrange near described feed end.

Rotary drying equipment the most according to claim 1, it is characterised in that be passed through described heating folder Thermal medium in set (19) is steam, high-temperature gas or conduction oil.

Rotary drying equipment the most according to claim 1, it is characterised in that described dry gas enters Outlet includes dry gas introducing port (22) and dry gas export mouth (23), and described dry gas is led Entrance (22) is arranged near the discharge end of described cylinder (2), and described dry gas export mouth (23) is leaned on The feed end of nearly described cylinder (2) is arranged.

Rotary drying equipment the most according to claim 9, it is characterised in that also include cleaner unit, Described cleaner unit is connected with described dry gas export mouth (23) by described movable conduit tube component (5).

11. rotary drying equipment according to claim 1, it is characterised in that described dry gas For heated dry air or xeothermic protective gas.

12. rotary drying equipment according to claim 3, it is characterised in that also include being arranged at Temperature sensor (8) on described preheating section (I) and/or described dryer section (II), is used for detecting institute State the temperature in preheating section (I) and/or described dryer section (II), described temperature sensor (8) and pendulum The detection control apparatus of dynamic formula rotary furnace is connected by wire.

13. rotary drying equipment according to claim 12, it is characterised in that also include being arranged at Described thermal medium inlet (191), described thermal medium outlet (192), described pre-thermal medium inlet (241), Described pre-thermal medium outlet (242) and/or the valve of dry gas import and export, described valve is hand-operated valve Door and/or automatic valve, described automatic valve passes through wire with the detection control apparatus of described swing rotary furnace Connect.

14. according to the rotary drying equipment described in any one of claim 1-13, it is characterised in that described Movable chain (13) it is provided with in cylinder (2).

15. according to the rotary drying equipment described in any one of claim 1-13, it is characterised in that described Material rotating plate (7) it is provided with in the solid phase area of cylinder (2).

16. 1 kinds of drying processes, it is characterised in that include step:

17. drying processes according to claim 16, it is characterised in that in described step S01 The thermal medium that utilizes carry out material also including step S011 before chuck partition is dried, material is pressed from both sides Set partition preheating；Utilize thermal medium that material carries out chuck partition and be dried the indirect steam of generation for described Chuck partition preheating material in step S011.

18. drying processes according to claim 17, it is characterised in that to described step S01 and / or described step S011 in material to be dried carry out temperature detection, according to detection temperature control thermal medium And/or the temperature of dry gas and/or flow, to control the final moisture content of material.