CN208307747U - A kind of two-way heated type Desulphurization screw conveyor - Google Patents

Abstract

A kind of two-way heated type Desulphurization screw conveyor disclosed by the utility model, including Split type casing, spiral hollow shaft, outer housing telescopic joint, spiral hollow shaft is mounted on inside Split type casing and both ends are connect by sealed bearing with Split type casing, bellows coupling is connected on the spiral hollow shaft being built in Split type casing, Split type casing is equipped with outer housing telescopic joint, sealed bearing and the hollow between centers of spiral are equipped with end part seal filler, bearing, and spiral hollow shaft front end is connected with driving device.In use all the way hot gas carrier from rear end air inlet enter hot gas carrier collet cavity, by front end gas outlet flow out carry out hull outside circumferentially heat；Another way enters spiral hollow shaft and be discharged from front end rotary joint from rear end rotary joint carries out enclosure interior heat treatment, so that hot gas carrier directly from inside and outside two direction to Desulphurization material carry out two-way heating, make its at runtime existing helical feed function, have pre-heating temperature elevation function again.

Description

A kind of two-way heated type Desulphurization screw conveyor

Technical field

The utility model relates to dry method, semi-dry process flue gas desulphurization byproduct comprehensive utilization technical field more particularly to one Kind two-way heated type Desulphurization screw conveyor.

Background technique

Due to dry method, semi-dry desulphurization equipment investment is few, occupied area is small, saves water and energy, excellent without wastewater and waste acid discharge etc. Point, in China, there are about the steel enterprise sintering units of 30% power industry coal unit and 90% or more to be all made of dry method, half Dry desulfurizing process carries out desulfurization, is widely adopted it.Since dry method, semi-dry desulphurization are with CaCO₃Or Ca (OH)₂For desulfurization Agent, the by-product of generation are shallow white dry powder-shaped substance-Desulphurization.Due to the CaSO in Desulphurization₃Suitable temperature, when Between, under humidity, Oxygen Condition can be oxidized to CaSO₄, and the neck such as building materials, building and finishing is widely used in instead of the natural gypsum Domain.Chinese patent Authorization Notice No. CN104150520B, authorized announcement date 2015.10.28, denomination of invention: dry method, semidry method are de- The oxygen-enriched additional thermal oxidation technology of two sections of revolutions of sulphur ash and device；Chinese patent Authorization Notice No. CN104229855B, Granted publication Day 2016.06.15, denomination of invention: utilize the technique of electricity generation boiler or sintering device flue gas on-line heating oxidation sweetening ash；Above-mentioned hair It is bright to be all made of two-part revolution oxidation stove, by being passed through oxygen and external heating stove heating into stove, complete in Desulphurization CaSO3 is converted into the oxidation process of CaSO 4.Foregoing invention has obtained good application through the above way.But due to answering Desulphurization with the technique and device is that two-part revolution oxidation kiln is sent by bottom screw(-type) feeder, is needed in preheating section by heat Air is preheated, and mobile to bringing-up section under the gyroscopic action of kiln body；Desulphurization after pre-heating temperature elevation to 200 DEG C, which enters, to be added Hot arc heats stove heating by outside, and kiln temperature controls between 550~600 DEG C, and oxidation kiln turns round 0.5~3.0r/ of revolving speed Min, Desulphurization bringing-up section stop 20~30min, temperature keep stable equilibrium furnace body in come into full contact with oxygen and by Step moves forward, and completes CaSO₃It is converted into CaSO₄Oxidation process.The notification number of state's license in the prior art In CN104150520B, CN104229855B, screw(-type) feeder arranged at the bottom only has screw feeder conveying function, if made It has the function of pre-heating temperature elevation again, and pre-heating temperature elevation to Desulphurization after 200 DEG C delivers into revolution oxidation kiln in screw(-type) feeder, The two-part revolution oxidation kiln so preheat, heated will be reduced to the one-part form revolution oxidation kiln of heating, so that Desulphurization is same In the case where bringing-up section stops 20~30min, Desulphurization is aoxidized more abundant, and oxidation efficiency is higher.Accordingly, it is now desired to A kind of two-way heated type Desulphurization screw conveyor being able to solve the above problem.

Summary of the invention

The purpose of this utility model: to solve the above problems, in view of the shortcomings of the prior art, the utility model provides one A kind of two-way heated type Desulphurization screw conveyor of kind, making it at runtime had not only had the function of helical feed but also there is preheating to rise Temperature function, and it is simple and reliable for structure, convenient and easy.

Technical solution: in order to achieve the above objectives, the utility model adopts the following technical solution realizes:

A kind of two-way heated type Desulphurization screw conveyor, including Split type casing, sealed bearing, spiral hollow shaft, Outer housing telescopic joint, driving device, it is hollow that the spiral hollow shaft is mounted on the inside of Split type casing and the rear end at both ends Spindle nose, the hollow spindle nose in front end pass through sealed bearing respectively and connect with Split type casing, wherein after being built in Split type casing Bellows coupling, the sealed bearing and the hollow spindle nose in rear end, the hollow spindle nose in front end are connected on the spiral hollow shaft at end Between be respectively arranged with end part seal filler, bearing, the front end hollow shaft cephalic par is connected with driving device.

The Split type casing includes inner housing II, with material mouth inner housing I, upper layer outer housing, lower layer's outer housing, described interior Shell II is arranged in cross section semi-circle tubular, axially hollow strip structure, and axial ends portion is in circumferential be welded with respectively II outer end of shell, half ring flange, II inner end of inner housing, half ring flange are in axial be welded at axial left and right sides edge respectively II side edge of inner housing, II side of inner housing are respectively arranged with multiple bolts hole, the inner housing along upper in vertical direction II outer end, half ring flange, II inner end of inner housing, half ring flange are axially provided with 6 bolts hole, institute in circumferential six equal parts of semicircle respectively It states on II outer surface of inner housing from II inner end semi-ring flange periphery of inner housing to being successively respectively welded along axial direction 50 ㎜ For four groups of water conservancy diversion by backing, every group of water conservancy diversion is in that circumferential 20 equal parts of semicircle are provided with 19 water conservancy diversion by backing by backing respectively, And every group of water conservancy diversion is set as 50 ㎜ by axially spaced-apart between backing, and position is interior among the heated piece axially spaced-apart of every group of water conservancy diversion Be respectively welded on II outer surface of shell in stiffening plate radial height in stiffening plate in semiorbicular semi-circular, its semi-circular with lead Stream is identical by backing radial height, and stiffening plate is respectively arranged with 9 arc-shaped through-holes in circumferential ten equal parts of semicircle in the semi-circular, And the 4th group of water conservancy diversion is welded with by backing rear end to 25 ㎜ in semiorbicular filler upper half ring stand, and heated in water conservancy diversion The filler upper half ring stand edge of piece side is circumferentially welded with ring baffle on the filler of semicircular, and wherein semi-ring internal diameter is in circumferential weldering It connects on II outer surface of inner housing, ring baffle radial height is identical by backing radial height as water conservancy diversion on the filler.

The band material mouth inner housing I is arranged in cross section semi-circle tubular, axially hollow strip structure, axial ends portion It is respectively in circumferentially to be welded with I outer end of inner housing, half ring flange, I inner end of inner housing, half ring flange, at axial left and right sides edge It is welded with I side edge of inner housing in axial respectively, I side of inner housing is respectively arranged with multiple bolts along upper in vertical direction Hole, I outer end of inner housing, half ring flange, I inner end of inner housing, half ring flange are axially provided with 6 in circumferential six equal parts of semicircle respectively A bolt hole, to successively edge 50 ㎜ from I inner end semi-ring flange periphery of inner housing on I outer surface of band material mouth inner housing Axially four groups of water conservancy diversion are respectively welded by backing, and every group of water conservancy diversion is in that circumferential 20 equal parts of semicircle are provided with 19 by backing respectively Piece water conservancy diversion is by backing, and every group of water conservancy diversion is set as 50 ㎜ by axially spaced-apart between backing, and every group of water conservancy diversion is heated between piece axial direction It is respectively welded every on I outer surface of band material mouth inner housing at intermediate position in stiffening plate, its semi-circular in semiorbicular semi-circular Interior stiffening plate radial height is identical by backing radial height as water conservancy diversion, and stiffening plate is in circumferential ten equal parts point of semicircle in the semi-circular It is not provided with 9 arc-shaped through-holes, and the 4th group of water conservancy diversion is welded with by backing rear end to 25 ㎜ under semiorbicular filler Half ring stand, and ring is kept off under the filler that water conservancy diversion is circumferentially welded with semicircular by the filler lower half ring stand edge of backing side Plate, wherein semi-ring internal diameter is welded on band I outer surface of material mouth inner housing in circumferential, under the filler ring baffle radial height with lead It flows identical by backing radial height.It is welded on I outer surface of band material mouth inner housing on front side of the filler lower half ring stand perpendicular The tubulose feed inlet and outlet of direction setting, is circumferentially welded with flange at the pipe end of the feed inlet and outlet.

The upper layer outer housing is arranged in cross section semi-circle tubular, axially hollow strip structure, axial ends part It circumferential Cheng not be welded with half ring flange of upper layer outer housing inner end, half ring flange of upper layer outer housing outer end, axial left and right sides It is respectively in axially to be welded with upper layer outer housing side edge at edge, upper layer outer housing side is respectively set in vertical direction along upper There are multiple bolts hole, half ring flange of upper layer outer housing inner end is axially provided with 6 bolts in circumferential six equal parts of semicircle respectively Hole, half ring flange of upper layer outer housing outer end are axially provided with 9 bolts hole, the upper layer in circumferential nine equal parts of semicircle respectively Be welded on the upper layer shell external surface of half ring flange one end of outer housing outer end be arranged in vertical direction into hot air outlet, institute It states into flange is circumferentially welded at the pipe end of hot air outlet, on the upper layer shell external surface on front side of hot air outlet successively Equidistantly it is respectively welded the outer strengthening version of 3 semi-circulars in semi-circular setting.

Lower layer's outer housing is arranged in cross section semi-circle tubular, axially hollow strip structure, axial ends part It circumferential Cheng not be welded with half ring flange of lower layer's outer housing inner end, half ring flange of lower layer's outer housing outer end, axial left and right sides It is respectively in axially to be welded with lower layer's outer housing side edge at edge, lower layer's outer housing side is respectively set in vertical direction along upper There are multiple bolts hole, half ring flange of lower layer's outer housing outer end is axially provided with 6 bolts in circumferential six equal parts of semicircle respectively Hole, half ring flange of lower layer's outer housing inner end are axially provided with 9 bolts hole, the lower layer in circumferential nine equal parts of semicircle respectively Half ring flange of lower layer's outer housing inner end of outer housing, half ring flange of lower layer's outer housing outer end are respectively and outside the upper layer of upper layer outer housing Half ring flange of shell inner end, half ring flange of upper layer outer housing outer end are correspondingly arranged up and down in vertical direction, and lower layer's outer housing Outer surface on, with the outer strengthening version of semi-circular at position intermediate on upper layer shell external surface corresponding position up and down in vertical direction The outer strengthening version of another semi-circular is welded with, on the outer surface of lower layer's outer housing, after going forward with upper layer shell external surface Corresponding position is respectively welded two U-shaped branch in laterally U-shaped setting to the outer strengthening version of two semi-circulars up and down in vertical direction Frame version.

The outer housing telescopic joint include can the faucet section and socket section of socket joint together, the faucet section be in tube axial Shape structure setting is welded with that socket flange, inside is welded in axial at its front edge in circumferential on the outside of the edge of its rear end Diversion pipe in a tubular form, the socket section are arranged in axial step tubular structure, are provided on the outside of the edge of its rear end in circumferential Bellmouth sealing flange, outside is welded with socket flange in circumferential at front edge, and to 1/4 axis from bellmouth sealing flange The sealing ring baffle in circumferential ring structure setting is provided with to socket section overall length, telescopic joint sealing gland is in axial short tube shape Clearance fit is sleeved on faucet section outer surface, clearance fit is inserted into inside socket section rear end again, and is sealed and pressed in telescopic joint Telescopic joint airtight and watertight padding, outside at the telescopic joint sealing gland back edge are packaged between lid front end and sealing ring baffle It is welded with flange in circumferential, in circumferential eight equal parts has been uniformly arranged 8 bolts hole on its flange and by connection bolt and bellmouth Sealing flange is axially connected together, and is uniformly separately provided on the socket flange, socket flange in the circumferential quartering The 4 telescopic joint double end caging bolts axially connected, are less than wherein being provided with its spacing on the telescopic joint double end caging bolt Two stop nuts of outer housing telescopic joint length.

It is first that II inner end of inner housing, half ring flange, I inner end half of inner housing is around-France when the Split type casing assembly and connection High-temperature seal adhesive is smeared in blue end face respectively, and making it, axially docking is bolted together, so that in inner housing II, band material mouth The connection of shell I is integral, and smears high-temperature seal adhesive respectively along end face in II side of inner housing edge, I side of inner housing, then Inner housing II is across outer housing telescopic joint and down-set as under internal layer in vertical direction by feed inlet and outlet as first inserting end Portion's shell；Another whole inner housing II will be connected as again, the inner housing II with material mouth inner housing I is used as first inserting end from the other side Opposite direction passes through outer housing telescopic joint and another feed inlet and outlet is set up the upper case as internal layer in vertical direction Body makes its II side of inner housing edge, I side of inner housing edge and band material mouth inner housing I, the inner housing II as internal layer lower case Along, II side of inner housing, along in vertical direction, docking is bolted together I side of inner housing up and down so that as interior The inner housing II of layer upper and lower part shell, the band connection of material mouth inner housing I are integral inner shell, and by down-set disengaging The feed inlet and outlet that material mouth is set as rear end discharge port, sets up is set as front end feed inlet；

Lower layer's outer housing inner end semi-ring end face of flange of lower layer's outer housing smears high-temperature seal adhesive respectively, makes its axial direction It is bolted respectively with the socket flange of outer housing telescopic joint two sides, bellmouth sealing flange vertical direction lower half one It rises, half ring flange of upper layer outer housing inner end of the upper layer outer housing, that upper layer outer housing side smears high temperature along end face respectively is close Sealing makes its upper layer outer housing inner end semi-ring flange is axial to seal respectively with the socket flange of outer housing telescopic joint two sides, bellmouth The flange vertical direction upper half is bolted together, make its upper layer outer housing side along respectively with lower layer's outer housing side Along in vertical direction, docking is bolted together up and down, so that upper layer outer housing, lower layer's outer housing and outer housing are flexible Section connection is integral outer shell, and upper layer outer housing, lower layer's outer housing faying face with as internal layer upper and lower part shell Inner housing II, band I faying face of material mouth inner housing are in same level setting, and its rear end are set as into hot air outlet into heat Port, front end feed inlet and outlet be set as hot air outlet；

It is close that lower layer's outer housing outer end semi-ring end face of flange of lower layer's outer housing two sides axially back and forth smears high temperature respectively It is bolted axially together with axial cross section in semi-ring nipple under the cricoid filler of lower half respectively in sealing, institute The upper layer outer housing outer end semi-ring end face of flange for stating upper layer outer housing two sides axially back and forth smears high-temperature seal adhesive respectively, makes its axis It is bolted together to the filler upper half ring nipple for presenting semicircular with axial cross section respectively, the filler upper half ring The side being arranged at nipple axial direction left and right sides edge smeared respectively along end face high-temperature seal adhesive, make its it is axial respectively with filler Vertically vertical direction is bolted together for the side being arranged at lower semi-ring nipple axial direction left and right sides edge,

Two-piece unit, axial short tube shape clearance fit are set in axially back and forth outer housing sealing gland in vertical direction On the filler upper half ring stand of the vertical direction of two sides setting symmetrical above and below, filler lower half ring stand outer surface, clearance fit inserts again Under in vertical direction under symmetrically arranged upper half ring nipple, filler inside semi-ring nipple, and in outer housing seal gland It is packaged with outer housing sealing on the filler of insertion end and vertical direction setting symmetrical above and below under ring baffle, filler between ring baffle Filler, on the outside of outer housing sealing gland two-piece unit other end edge in it is circumferential be respectively welded two-piece unit flange, On its two-piece unit flange in circumferential eight equal parts be uniformly respectively arranged with 8 bolts hole and by connection bolt respectively with it is vertical The other end of semi-ring nipple is axially connected together under the filler upper half ring nipple of direction installation symmetrical above and below, filler, institute State under filler upper half ring nipple, filler on the inner hole and filler of semi-ring nipple that ring baffle outer diameter is in axis under ring baffle, filler It is arranged to clearance fit.

The spiral hollow shaft includes the hollow spindle nose in rear end, rear end nipple, bellows coupling, spiral hollow axle tube Body, front end nipple, the hollow spindle nose in front end, helical blade, the spiral hollow shaft tube body select seamless steel pipe to be made, Axial forward end portion is welded with flange, is connected to one by the connection bolt and front end nipple that are axially arranged on flange in circumferential It rises, the spiral hollow axle tube is uniformly fixedly welded with helical blade, another end cap of front end nipple from front to back in vitro Welding equipment is connected to the hollow spindle nose in front end of stepped setting, and spiral hollow shaft tube body rear end inserts consolidating for bellows coupling Determine to be welded on it on fixed sleeving inside casing front end and by circumferential girth joint, the bellows coupling axis connection Pipe axial forward end portion is welded with flange, is connected to one by the connection bolt and rear end nipple that are axially arranged on flange in circumferential It rises, the hollow spindle nose in rear end that the rear end nipple other end is welded with stepped setting, so that spiral hollow shaft is in Axial central through hole shape is arranged, and is equipped with rear end conversion in circumferential groove in its end portion shape on the hollow spindle nose rear end outer surface in rear end and connects Head clamps connection annular groove, is in that circumferential groove in its end portion shape is equipped with front end crossover sub card on the hollow spindle nose front end outer surface in front end Load connects annular groove.

The bellows coupling includes axis connection pipe, position rotating block, pipe flange, ring flat-plate flange, otic placode, wavy metal Pipe, shaft coupling double end caging bolt, nipple, fixed sleeving, mobile notch, set flange；The metal bellows is axially back and forth Both ends are respectively welded the otic placode of discoid coaxial arrangement in a ring, and the otic placode is respectively welded in axial two outside in backwards The nipple of setting, the nipple of the front side by its flange in the circumferential respectively arranged eight connection bolts of eight equal parts and The set flange of fixed sleeving, which is detachably fixed, to link together, and the fixed sleeving is inserted into metal bellows pipe in tubular construction Intracavitary portion's setting, front end are equipped with the set flange of discoid coaxial arrangement in a ring, and end is distinguished on both lateral sides wall thereafter Equipped with the mobile notch in axial strip cut setting, two sides are in axial parallel shape setting to the mobile notch up and down, described The intracavitary portion of fixed sleeving front tube is fixedly welded with spiral hollow shaft tube body rear end, fixed sleeving rear end pipe in axial inserting Intracavitary portion is fitted with axis connection pipe front end in axial gap cooperation, and the axis connection pipe is arranged in tubular construction, and its rear end is set There is the pipe flange of discoid coaxial arrangement in a ring, front end is in axial strip setting in being respectively equipped on both lateral sides outer wall Position rotating block, two sides are in axial parallel shape setting to the position rotating block up and down, and position rotating block is in axial gap Cooperation is inserted into mobile notch, for transmitting spiral hollow shaft torque, and tube wall outer sheath welding equipment connects on rear side of the axis connection pipe There is the ring flat-plate flange of discoid coaxial arrangement in a ring, the ring flat-plate flange passes through thereon in circumferential eight equal parts respectively arranged eight A connection bolt and the short circuit pipe flange in left side are detachably fixed and link together, in circumferential 16 equal parts point on the pipe flange 16 bolts hole not being arranged, for being connect by connecting bolt with rear end nipple, the shaft coupling with double thread pair Head caging bolt both ends are each passed through the otic placode of the left and right sides and fix its limit by having screwed nut on both ends.

The sealed bearing include end plate, end plug pipe, end part seal gland, end part seal filler, end outer tube, Axial side port, triangle supporting plate, outer pipe flange, bearing block, bearing gland, bearing block clip plate, sealing, bearing gland in bearing block Outer plate, gland external seal, bearing；

The end outer tube selects seamless steel pipe to be made, and both ends are in circumferentially to be welded with outer tube respectively axially back and forth Flange, end plate, and have axial side port, the end plate axis in transverse symmetrical arrangement respectively on the end outer tube wall of end plate side Shape structure setting is combined in upper semi-circle+lower section, the center is equipped with centre bore, and centre bore leading flank edge is in axial solid Surely it is welded with end plug pipe, end part seal filler is packaged in the end plug pipe, and passes through bolt for end part seal pressure Lid links together with end plug pipe, is encapsulated in its end part seal filler in end plug pipe；On the downside of the end outer tube, Triangle supporting plate is welded on front side of end plate in vertical direction, the connection bolt that the end plate is axially arranged by it is respectively and before axial direction II outer end of inner housing, half ring flange of two sides, I outer end semi-ring flanged joint of inner housing be together afterwards；

The outer pipe flange is connected in turn by bolt in bearing block, the bearing gland for being axially arranged with through-hole, axis It holds and bearing is installed in seat and is inserted into the outer tube of end in clearance fit, the bearing gland is inserted into bearing in clearance fit The axially position of bearing is used in seat, bearing gland is axially external to be bolted bearing gland outer plate, the axis Gland external seal is packaged on the inside of pressure cap outer plate, bearing block internal pressure has been bolted in the axial rear side of the bearing block Plate, the bearing block clip plate inside are packaged in sealing in bearing block；

The rear end nipple for being welded with the hollow spindle nose in rear end sequentially passes through the end plate of rear end setting, end part seal is filled out Sealing, bearing block, bearing, bearing gland, gland external seal, axis in material, end part seal gland, bearing block clip plate, bearing block Pressure cap outer plate stretches out its rear end hollow shaft cephalic par outside sealed bearing, and wherein rear end is shorted tube end and end is close End part seal filler is extruded in rear end in clearance fit and is shorted realization pipe end housing seal, the rear end on tube wall by sealed cover The rotation of spiral hollow shaft and support, the bearing block internal pressure are realized in tight fit connection with bearing inner race at hollow spindle nose ladder Plate, bearing gland outer plate respectively respectively squeeze sealing, gland external seal in bearing block in clearance fit with the hollow spindle nose in rear end It is pressed on the hollow spindle nose in rear end and realizes bearing seal；

The front end nipple for being welded with the hollow spindle nose in front end sequentially passes through the end plate of front end setting, end part seal is filled out Sealing, bearing block, bearing, bearing gland, gland external seal, axis in material, end part seal gland, bearing block clip plate, bearing block Pressure cap outer plate stretches out its front end hollow shaft cephalic par outside sealed bearing, and wherein front end is shorted tube end and sets with front end End part seal filler is extruded on the short circuit tube wall of front end in clearance fit and realizes that pipe end shell is close by the end part seal gland set Envelope, at the hollow spindle nose ladder in front end with the bearing inner race of front end setting in tight fit connection realize the rotation of spiral hollow shaft with Support, the bearing block clip plate, bearing gland outer plate are in respectively clearance fit with the hollow spindle nose in front end respectively by bearing block Interior sealing, gland external seal are extruded on the hollow spindle nose in front end and realize bearing seal；

The driving device includes motor, speed reducer, driving gear, driven gear, gear locating tensioning block and bolt, institute State front end hollow shaft cephalic par and be connected with driven gear, the driven gear is provided with front end hollow shaft cephalic par axle journal be between The centre bore of gap cooperation is respectively arranged with the gear locating tensioning block and spiral shell being axially arranged in circumferential equal part at central aperture edge Bolt, and driven gear is fixed on front end hollow shaft cephalic par by screwing tight gear locating tensioning block and bolt, it is described driven Gear, which is connected by meshing transmission, driving gear, and the driving gear is mounted on speed reducer output shaft, and speed reducer is connected to motor, And by the power of motor output by driving gear, driven gear pass to the hollow spindle nose in front end realize the rotation of spiral hollow shaft and Conveying.

Compared with prior art, the utility model has the beneficial effects that

A kind of two-way heated type Desulphurization screw conveyor disclosed by the utility model, including in Split type casing, spiral Empty axis, outer housing telescopic joint, spiral hollow shaft be mounted on inside Split type casing and both ends by sealed bearing with it is split type Shell connects, and is connected with bellows coupling on the spiral hollow shaft being built in Split type casing, Split type casing is equipped with Outer housing telescopic joint, sealed bearing and the hollow between centers of spiral are equipped with end part seal filler, bearing, the connection of spiral hollow shaft front end There is driving device.Hot gas carrier from rear end air inlet enters hot gas carrier collet cavity, by preceding bringing out all the way in use Port outflow carries out hull outside and circumferentially heats；Another way from rear end rotary joint enters spiral hollow shaft and from front end Rotary joint discharge carries out enclosure interior heat treatment, so that hot gas carrier directly carries out Desulphurization material from inside and outside two direction Two-way heating, make its at runtime existing helical feed function, have pre-heating temperature elevation function again.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is the schematic view of the front view of the utility model；

Fig. 3 is the left view structural representation of the utility model；

Fig. 4 is the right side structural representation of the utility model；

Fig. 5 is the overlooking structure diagram of the utility model；

Fig. 6 is the A-A the schematic diagram of the section structure of Fig. 5；

Fig. 7 is the B-B the schematic diagram of the section structure of Fig. 6；

Fig. 8 is the Split type casing structural schematic diagram of the utility model；

Fig. 9 is that the utility model does not install upper layer outer housing schematic perspective view；

Figure 10 is I schematic perspective view of band material mouth inner housing of the utility model；

Figure 11 is II schematic perspective view of inner housing of the utility model；

Figure 12 is the upper layer outer housing schematic perspective view of the utility model；

Figure 13 is lower layer's outer housing schematic perspective view of the utility model；

Figure 14 is the bellows coupling structural schematic diagram of the utility model；

Structural schematic diagram when Figure 15 is the transmitting torque of the utility model；

Figure 16 is the outer housing expansion joint structure schematic diagram of the utility model；

In figure: 1- Split type casing, 2- sealed bearing, 3- spiral hollow shaft, 4- outer housing telescopic joint, 5- driving dress It sets, 11- inner housing II, II side of 111- inner housing edge, ring baffle, 113- inner casing on 112- filler upper half ring stand, 1121- filler II outer end of body, half ring flange, II inner end of 114- inner housing, half ring flange, 12- band material mouth inner housing I, 121- feed inlet and outlet, 122- Ring baffle, I outer end of 123- inner housing, half ring flange, I inner end half of 124- inner housing are around-France under filler lower half ring stand, 1221- filler Orchid, I side of 125- inner housing edge, the upper layer 13- outer housing, 131- are on hot air outlet, 132- filler upper half ring nipple, 133- Half ring flange of layer outer housing inner end, half ring flange of the upper layer 134- outer housing outer end, the upper layer 135- outer housing side edge, 14- lower layer Semi-ring nipple, 143- lower layer outer housing outer end semi-ring under outer housing, half ring flange of 141- lower layer outer housing inner end, 142- filler Flange, 144- lower layer outer housing side edge, 15- water conservancy diversion are by stiffening plate, 161- arc-shaped through-hole, 17-U type in backing, 16- semi-circular Bracket version, 18- outer housing sealing gland, the airtight and watertight padding of 181- outer housing, 19- semi-circular outer strengthening version, 21- end plate, the end 22- Loading pipe, 23- end part seal gland, 231- end part seal filler, the end 24- outer tube, 241- axial direction side port, 242- outer tube branch The outer pipe flange of plate, 243-, 25- bearing block, 26- bearing gland, 27- bearing block clip plate, the interior sealing of 271- bearing block, 28- axis Pressure cap outer plate, 281- gland external seal, 29- bearing, the hollow spindle nose in the rear end 31-, the rear end 311- crossover sub clamp connection Annular groove, the rear end 32- nipple, 33- bellows coupling, 331- axis connection pipe, 3311- position rotating block, 3312- pipe flange, 332- ring flat-plate flange, 333- otic placode, 334- metal bellows, 335- shaft coupling double end caging bolt, 336- nipple, 337- are solid It is hollow to determine the mobile notch of casing, 3371-, 3372- set flange, 34- spiral hollow shaft tube body, the front end 35- nipple, the front end 36- Spindle nose, the front end 361- crossover sub clamp connection annular groove, 37- helical blade, 41- faucet section, 411- socket flange, 412- water conservancy diversion Pipe, 42- socket section, 421- socket flange, 422- sealing ring baffle, 423- bellmouth sealing flange, 43- telescopic joint sealing gland, The airtight and watertight padding of 44- telescopic joint, 45- telescopic joint double end caging bolt, 451- stop nut, 51- motor, 52- speed reducer, 53- master Moving gear, 54- driven gear, 541- gear locating tensioning block and bolt.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings of the specification, it should be noted that the utility model Implement embodiment not limited to the following.

It should be noted that "front", "rear" here, "left", "right", "upper", "lower" are only to facilitate describe this hair It is bright and define exemplary direction, as shown in Figure 1, paper left direction be " rear ", paper right direction be " preceding ", paper a left side, Right direction is " axial direction " or " longitudinal direction ", and side direction is "upper" on paper, and direction is "lower" on the downside of paper, and direction is on front side of paper " left side ", paper rear direction are " right side ", and side direction is " transverse direction " before and after paper, and certain those skilled in the art are in base of the invention Understand on plinth, the directions such as "front", "rear", "left", "right", "upper", "lower" can also be defined in other ways, equally fall into the present invention Protection scope within.

As shown in Fig. 1-Figure 16, a kind of two-way heated type Desulphurization screw conveyor, including Split type casing 1, sealing axis Seat 2, spiral hollow shaft 3, outer housing telescopic joint 4, driving device 5 are held, the spiral hollow shaft 3 is mounted on Split type casing 1 Internal and both ends the hollow spindle noses 31 in rear end, the hollow spindle nose 36 in front end pass through sealed bearing 2 and Split type casing 1 respectively Connection, is connected with bellows coupling 33 wherein being built on the spiral hollow shaft 3 of rear end in Split type casing 1, the sealing End part seal filler 231, bearing 29, institute are respectively arranged between the hollow spindle nose 31 of bearing block 2 and rear end, the hollow spindle nose 36 in front end It states hollow 36 end of spindle nose in front end and is connected with driving device 5.

The Split type casing 1 includes inner housing II 11, band material mouth inner housing I 12, upper layer outer housing 13, lower layer's outer housing 14, the inner housing II 11 is arranged in cross section semi-circle tubular, axially hollow strip structure, and axial ends portion is in week respectively To being welded with II outer end of inner housing, half ring flange 113, II inner end of inner housing, half ring flange 114, at axial left and right sides edge II side of inner housing is welded with along 111 in axial respectively, and II side of inner housing is respectively arranged in vertical direction along 111 Multiple bolts hole, II outer end of inner housing, half ring flange 113, II inner end of inner housing, half ring flange 114 are in semicircle circumferential six etc. Divide and be axially provided with 6 bolts hole respectively, from II inner end of inner housing, half ring flange, 114 edge on II 11 outer surface of inner housing Locate to 50 ㎜ to rise and be successively respectively welded four groups of water conservancy diversion by backing 15 along axial direction, every group of water conservancy diversion is by backing 15 respectively in half Circumference is provided with 19 water conservancy diversion by backing 15 to 20 equal parts, and every group of water conservancy diversion is set as 50 by axially spaced-apart between backing 15 ㎜, every group of water conservancy diversion are respectively welded on II 11 outer surface of inner housing by position among 15 axially spaced-apart of backing in semiorbicular Stiffening plate 16 in semi-circular, 16 radial height of stiffening plate is identical by 15 radial height of backing as water conservancy diversion in its semi-circular, and described half Stiffening plate 16 is respectively arranged with 9 arc-shaped through-holes 161 in circumferential ten equal parts of semicircle in annular, and the 4th group of water conservancy diversion is by backing 15 It is welded at rear end to 25 ㎜ in semiorbicular filler upper half ring stand 112, and on filler of the water conservancy diversion by 15 side of backing Half ring stand, 112 edge is circumferentially welded with ring baffle 1121 on the filler of semicircular, and wherein semi-ring internal diameter is in circumferential be welded on On II 11 outer surface of shell, 1121 radial height of ring baffle is identical by 15 radial height of backing as water conservancy diversion on the filler.

The band material mouth inner housing I 12 is arranged in cross section semi-circle tubular, axially hollow strip structure, axial ends Portion is in circumferentially to be welded with I outer end of inner housing, half ring flange 123, I inner end of inner housing, half ring flange 124 respectively, axial left and right two It is respectively in axially to be welded with I side of inner housing along 125 at side edge, I side of inner housing is distinguished in vertical direction along 125 Multiple bolts hole are provided with, I outer end of inner housing, half ring flange 123, I inner end of inner housing, half ring flange 124 are circumferential in semicircle Six equal parts are axially provided with 6 bolts hole respectively, around-France from I inner end half of inner housing on I 12 outer surface of band material mouth inner housing Blue 124 edges, which rise to 50 ㎜ to rise, is successively respectively welded four groups of water conservancy diversion by backing 15 along axial direction, and every group of water conservancy diversion is by backing 15 are provided with 19 water conservancy diversion by backing 15 in circumferential 20 equal parts of semicircle respectively, and every group of water conservancy diversion is between by axial direction between backing 15 Every being set as 50 ㎜, every group of water conservancy diversion is distinguished on I 12 outer surface of band material mouth inner housing by position among 15 axially spaced-apart of backing Being welded with is in stiffening plate 16 in semiorbicular semi-circular, 16 radial height of stiffening plate and water conservancy diversion are radial by backing 15 in its semi-circular Highly identical, stiffening plate 16 is respectively arranged with 9 arc-shaped through-holes 161 in circumferential ten equal parts of semicircle in the semi-circular, and the Four groups of water conservancy diversion are welded with by 15 rear end of backing to 25 ㎜ in semiorbicular filler lower half ring stand 122, and heated in water conservancy diversion 122 edge of filler lower half ring stand of 15 side of piece is circumferentially welded with ring baffle 1221 under the filler of semicircular, wherein in semi-ring Diameter is welded on band I 12 outer surface of material mouth inner housing in circumferential, and 1221 radial height of ring baffle and water conservancy diversion are heated under the filler 15 radial height of piece is identical.It is welded on I 12 outer surface of band material mouth inner housing of 122 front side of filler lower half ring stand perpendicular The tubulose feed inlet and outlet 121 of direction setting, is circumferentially welded with flange at the pipe end of the feed inlet and outlet 121.

The upper layer outer housing 13 is arranged in cross section semi-circle tubular, axially hollow strip structure, axial ends portion Half ring flange 133 of upper layer outer housing inner end, half ring flange 134 of upper layer outer housing outer end, an axial left side are welded in circumferential respectively It is respectively in the axial upper layer outer housing side that is welded at right both sides of the edge along 135, upper layer outer housing side is along 135 in vertical Histogram is to multiple bolts hole are respectively arranged with, and half ring flange 133 of upper layer outer housing inner end is in the circumferential six equal parts difference of semicircle 6 bolts hole are axially provided with, half ring flange 134 of upper layer outer housing outer end is in the axial setting respectively of circumferential nine equal parts of semicircle There are 9 bolts hole, is welded on 13 outer surface of upper layer outer housing of half ring flange of upper layer outer housing outer end, 134 one end in vertical Histogram is circumferentially welded with flange, the disengaging heat at the pipe end into hot air outlet 131 to setting into hot air outlet 131 3 semi-circulars in semi-circular setting are successively equidistantly respectively welded on 13 outer surface of upper layer outer housing of 131 front side of port Outer strengthening version 19.

Lower layer's outer housing 14 is arranged in cross section semi-circle tubular, axially hollow strip structure, axial ends portion Half ring flange 141 of lower layer's outer housing inner end, half ring flange 143 of lower layer's outer housing outer end, an axial left side are welded in circumferential respectively It is respectively in axial lower layer's outer housing side that is welded at right both sides of the edge along 144, lower layer's outer housing side is along 144 in vertical Histogram is to multiple bolts hole are respectively arranged with, and half ring flange 143 of lower layer's outer housing outer end is in the circumferential six equal parts difference of semicircle 6 bolts hole are axially provided with, half ring flange 141 of lower layer's outer housing inner end is in the axial setting respectively of circumferential nine equal parts of semicircle There are 9 bolts hole, half ring flange 141 of lower layer's outer housing inner end of lower layer's outer housing 14, lower layer's outer housing outer end half are around-France Orchid 143 respectively with half ring flange 133 of upper layer outer housing inner end of upper layer outer housing 13, half ring flange 134 of upper layer outer housing outer end Be correspondingly arranged up and down in vertical direction, and on the outer surface of lower layer's outer housing 14, with it is intermediate on 13 outer surface of upper layer outer housing Corresponding position is welded with the outer strengthening version 19 of another semi-circular to the outer strengthening version 19 of the semi-circular at position up and down in vertical direction, described On the outer surface of lower layer's outer housing 14, on 13 outer surface of upper layer outer housing former and later two the outer strengthening version 19 of semi-circular it is perpendicular Corresponding position is respectively welded two u-bracket versions 17 in laterally U-shaped setting up and down in direction.

The outer housing telescopic joint 4 include can the faucet section 41 and socket section 42 of socket joint together, the faucet section 41 In axial tubular structure setting, on the outside of the edge of its rear end in it is circumferential be welded with socket flange 411, inside is at its front edge It is axially welded with diversion pipe 412 in a tubular form, the socket section 42 is arranged in axial step tubular structure, outside the edge of its rear end Side is in circumferentially to be provided with bellmouth sealing flange 423, and outside is welded with socket flange 421 in circumferential at front edge, and certainly Bellmouth sealing flange 423 rises to the sealing ring baffle being provided at 1/4 axial 42 overall length of socket section in circumferential ring structure setting 422, telescopic joint sealing gland 43 is in that axial short tube shape clearance fit is sleeved on 41 outer surface of faucet section, clearance fit inserts again Telescopic joint is packaged with inside 42 rear end of socket section, and between 43 front end of telescopic joint sealing gland and sealing ring baffle 422 Airtight and watertight padding 44, at 43 back edge of telescopic joint sealing gland outside in it is circumferential be welded with flange, on its flange in circumferential Eight equal parts have been uniformly arranged 8 bolts hole and have been axially connected together by connecting bolt with bellmouth sealing flange 423, described Axially connect 4 telescopic joints pair are uniformly separately provided in the circumferential quartering on socket flange 411, socket flange 421 Head caging bolt 45, wherein being provided with its spacing on the telescopic joint double end caging bolt 45 less than 4 length of outer housing telescopic joint Two stop nuts 451.

When 1 assembly and connection of Split type casing, first by II inner end of inner housing, half ring flange 114, I inner end of inner housing half High-temperature seal adhesive is smeared in 124 end face of ring flange respectively, and making it, axially docking is bolted together, so that inner housing II 11, the connection of band material mouth inner housing I 12 is integral, and is distinguished along 111, inner housing, I side along 125 end faces in II side of inner housing High-temperature seal adhesive is smeared, then inner housing II 11 passes through outer housing telescopic joint 4 and by feed inlet and outlet 121 in vertical as first inserting end Histogram is to the down-set lower case as internal layer；It will be connected as another whole inner housing II 11, band material mouth inner housing I again 12 inner housing II 11 as first inserting end passes through outer housing telescopic joint 4 from other side opposite direction and by another feed inlet and outlet 121 Set up the upper body as internal layer in vertical direction, make its II side of inner housing along 111, inner housing, I side along 125 with As internal layer lower case with material mouth inner housing I 12, inner housing II 11 I side of inner housing along 125, inner housing, II side edge 111 in vertical direction up and down docking be bolted together so that as internal layer upper and lower part shell inner housing II 11, The band connection of material mouth inner housing I 12 is integral inner shell, and by down-set feed inlet and outlet 121 be set as rear end discharge port, The feed inlet and outlet 121 set up is set as front end feed inlet；

High-temperature seal adhesive is smeared respectively, is made in half ring flange of lower layer's outer housing inner end, 141 end face of lower layer's outer housing 14 It axially passes through with the socket flange 411 of 4 two sides of outer housing telescopic joint, 423 vertical direction lower half of bellmouth sealing flange respectively It is bolted together, half ring flange 133 of upper layer outer housing inner end of the upper layer outer housing 13, upper layer outer housing side edge High-temperature seal adhesive is smeared in 135 end faces respectively, make its half ring flange of upper layer outer housing inner end 133 it is axial respectively with outer housing telescopic joint The socket flange 411 of 4 two sides, the 423 vertical direction upper half of bellmouth sealing flange are bolted together, make outside its upper layer Shell side is docked up and down in vertical direction along 144 with lower layer's outer housing side respectively along 135 and is bolted together, makes Upper layer outer housing 13, lower layer's outer housing 14 connect with outer housing telescopic joint 4 and are integral outer shell, and upper layer outer housing 13,14 faying face of lower layer's outer housing and inner housing II 11, band I 12 faying face of material mouth inner housing as internal layer upper and lower part shell It is arranged in same level, and by its rear end into hot air outlet 131 is set as hot air inlet, the feed inlet and outlet 121 of front end is set For hot air outlet；

Height is smeared respectively in half ring flange of lower layer's outer housing outer end, 143 end face of lower layer's outer housing 14 two sides axially back and forth It is bolted axially with axial cross section in semi-ring nipple 142 under the cricoid filler of lower half respectively in warm sealant Together, high temperature is smeared in half ring flange of upper layer outer housing outer end, 134 end face of the upper layer outer housing 13 two sides axially back and forth respectively Sealant, the filler upper half ring nipple 132 for making it axially present semicircular with axial cross section respectively are bolted one It rises, elevated-temperature seal is smeared along end face in the side being arranged at the axial left and right sides edge of the filler upper half ring nipple 132 respectively Glue, make its it is axial respectively with the side that is arranged at the axial left and right sides edge of semi-ring nipple 142 under filler vertically Vertical Square To being bolted together,

Outer housing sealing gland 18 is before two-piece unit, axial short tube shape clearance fit are set in axial direction in vertical direction Afterwards the filler upper half ring stand 112 of the vertical direction of two sides setting symmetrical above and below, on 122 outer surface of filler lower half ring stand, gap again Cooperation is inserted under the upper half ring nipple 132 of vertical direction setting symmetrical above and below, filler inside semi-ring nipple 142, and Outer housing sealing gland 18 is inserted on the filler of end and vertical direction setting symmetrical above and below ring baffle under ring baffle 1121, filler Outer housing airtight and watertight padding 181,18 two-piece unit other end edge of the outer housing sealing gland outside are packaged between 1221 It is respectively welded two-piece unit flange in circumferential, in circumferential eight equal parts is uniformly respectively arranged with 8 spiral shells on its two-piece unit flange Keyhole and by connection bolt respectively with semi-ring under the filler upper half ring nipple 132 of vertical direction installation symmetrical above and below, filler The other end of nipple 142 is axially connected together, semi-ring nipple 142 under the filler upper half ring nipple 132, filler Inner hole is equipped with 1221 outer diameter of ring baffle under ring baffle 1121, filler on filler in axial gap.

The spiral hollow shaft 3 is including in the hollow spindle nose 31 in rear end, rear end nipple 32, bellows coupling 33, spiral Empty central siphon body 34, front end nipple 35, the hollow spindle nose 36 in front end, helical blade 37, the spiral hollow shaft tube body 34 select nothing Seam steel pipe is made, axial forward end portion in it is circumferential be welded with flange, by the connection bolt that is axially arranged on flange with before End nipple 35 links together, and is uniformly fixedly welded with helical blade 37 from front to back outside the spiral hollow shaft tube body 34, The hollow spindle nose 36 in front end that 35 other end of front end nipple is welded with stepped setting, and spiral hollow axle tube It is welded on inside 337 front end of fixed sleeving of 34 rear end of body inserting bellows coupling 33 and by circumferential girth joint On fixed sleeving 337,33 axis connection pipe of bellows coupling, the 331 axial forward end portion is welded with flange, passes through method in circumferential The connection bolt being axially arranged on orchid links together with rear end nipple 32,32 other end of the rear end nipple suit welding There is the hollow spindle nose 31 in the rear end of stepped setting, so that spiral hollow shaft 3 is arranged in axial central through hole shape, in the rear end Rear end crossover sub, which is equipped with, in circumferential groove in its end portion shape on empty 31 rear end outer surface of spindle nose clamps connection annular groove 311, the front end Front end crossover sub, which is equipped with, in circumferential groove in its end portion shape on hollow 36 front end outer surface of spindle nose clamps connection annular groove 361.

The bellows coupling 33 includes axis connection pipe 331, position rotating block 3311, pipe flange 3312, ring flat-plate flange 332, otic placode 333, metal bellows 334, shaft coupling double end caging bolt 335, nipple 336, fixed sleeving 337, movement are cut Mouth 3371, set flange 3372；Both ends are respectively welded discoid coaxial arrangement in a ring to the metal bellows 334 axially back and forth Otic placode 333, the otic placode 333 is respectively welded in axial two outside in the nipple 336 backwards to setting, the front side it is short Adapter tube 336 passes through on its flange in the set flange of circumferential eight equal parts respectively arranged eight connections bolt and fixed sleeving 337 3372 are detachably fixed and link together, and the fixed sleeving 337 is inserted into tubular construction inside 334 lumen of metal bellows Setting, front end are equipped with the set flange 3372 of discoid coaxial arrangement in a ring, and end is in set respectively on both lateral sides wall thereafter There is the mobile notch 3371 in axial strip cut setting, mobile about 3371 two sides of notch are in that axial parallel shape is set It sets, the intracavitary portion of 337 front tube of fixed sleeving is fixedly welded with 34 rear end of spiral hollow shaft tube body in axial inserting, Gu Determine the intracavitary portion of 337 rear end pipe of casing and be fitted with 331 front end of axis connection pipe in axial gap cooperation, the axis connection pipe 331 is in Tubular structure setting, its rear end are equipped with the pipe flange 3312 of discoid coaxial arrangement in a ring, and front end is in both lateral sides outer wall On be respectively equipped with position rotating block 3311 in axial strip setting, about 3311 two sides of position rotating block are put down in axial The setting of row shape, and position rotating block 3311 is inserted into mobile notch 3371, for transmitting in spiral in axial gap cooperation Empty 3 torque of axis, the 331 rear side tube wall outer sheath welding equipment of axis connection pipe are connected to the ring flat-plate flange of discoid coaxial arrangement in a ring 332, the ring flat-plate flange 332 passes through thereon in the nipple of circumferential eight equal parts respectively arranged eight connections bolt and left side 336 flanges, which are detachably fixed, to link together, in respectively arranged 16 spiral shells of circumferential 16 equal parts on the pipe flange 3312 Keyhole is connect for passing through connection bolt with rear end nipple 32,335 liang of the shaft coupling double end caging bolt with double thread End is each passed through the otic placode 333 of the left and right sides and fixes its limit by having screwed nut on both ends.

The sealed bearing 2 includes end plate 21, end plug pipe 22, end part seal gland 23, end part seal filler 231, end outer tube 24, axial side port 241, triangle supporting plate 242, outer pipe flange 243, bearing block 25, bearing gland 26, bearing block 271, bearing gland outer plate 28, gland external seal 281, bearing 29 are sealed in clip plate 27, bearing block；

The end outer tube 24 selects seamless steel pipe to be made, and both ends are in outside circumferential be welded with respectively axially back and forth Pipe flange 243, end plate 21, and have axial side port in transverse symmetrical arrangement respectively on 24 tube wall of end outer tube of 21 side of end plate 241, the end plate 21 is axial to combine shape structure setting in upper semi-circle+lower section, and the center is equipped with centre bore, centre bore front side Face edge is welded with end plug pipe 22 in axial restraint, is packaged with end part seal filler 231 in the end plug pipe 22, And end part seal gland 23 and end plug pipe 22 are linked together by bolt, it is encapsulated in its end part seal filler 231 In end plug pipe 22；24 downside of end outer tube, 21 front side of end plate are welded with triangle supporting plate 242 in vertical direction, described The connection bolt that end plate 21 is axially arranged by it respectively with II outer end of inner housing, half ring flange 113 of two sides axially back and forth, interior I outer end of shell, half ring flange 123 links together；

The outer pipe flange 243 is connected in turn by bolt in bearing block 25, the bearing gland 26 for being axially arranged with through-hole, Bearing 29 is installed in its bottom bracket 25 and is inserted into end outer tube 24 in clearance fit, the bearing gland 26 is in gap Cooperation is inserted into the axially position that bearing 29 is used in bearing block 25, and bearing gland 26 is axially external to be bolted axis Pressure cap outer plate 28, is packaged in gland external seal 281 on the inside of the bearing gland outer plate 28, after 25 axial direction of bearing block Bearing block clip plate 27 has been bolted in side, and sealing 271 in bearing block is packaged on the inside of the bearing block clip plate 27；

Be welded with the hollow spindle nose 31 in rear end rear end nipple 32 sequentially pass through rear end setting end plate 21, end it is close 271, bearing block 25, bearing 29, bearing are sealed in packing material 231, end part seal gland 23, bearing block clip plate 27, bearing block Gland 26, bearing gland outer plate 28, makes hollow 31 end of spindle nose in its rear end stretch out sealed bearing 2 at gland external seal 281 Outside, wherein end part seal filler 231 in clearance fit is extruded in rear end by 32 end of rear end nipple and end part seal gland 23 Pipe end housing seal is realized on 32 tube wall of nipple, is connected with 29 inner ring of bearing in tight fit at hollow 31 ladder of spindle nose in rear end It connects and realizes the rotation of spiral hollow shaft 3 and support, the bearing block clip plate 27, bearing gland outer plate 28 are hollow with rear end respectively Sealing 271, gland external seal 281 in bearing block are extruded on the hollow spindle nose 31 in rear end and are realized respectively in clearance fit by spindle nose 31 Bearing 29 seals；

Be welded with the hollow spindle nose 36 in front end front end nipple 35 sequentially pass through front end setting end plate 21, end it is close 271, bearing block 25, bearing 29, bearing are sealed in packing material 231, end part seal gland 23, bearing block clip plate 27, bearing block Gland 26, bearing gland outer plate 28, makes hollow 36 end of spindle nose in its front end stretch out sealed bearing 2 at gland external seal 281 Outside, wherein the end part seal gland 23 of 35 end of front end nipple and front end setting in clearance fit by end part seal filler 231 It is extruded in realization pipe end housing seal on 35 tube wall of front end nipple, is arranged at hollow 36 ladder of spindle nose in front end with front end 29 inner ring of bearing is realized the rotation of spiral hollow shaft 3 in tight fit connection and is supported, outside the bearing block clip plate 27, bearing gland Sealing 271, gland external seal 281 in bearing block are extruded in the hollow spindle nose 36 in front end in clearance fit by pressing plate 28 respectively respectively Realize that bearing 29 seals on the hollow spindle nose 36 in front end；

The driving device 5 includes motor 51, speed reducer 52, driving gear 53, driven gear 54, gear locating tensioning block And bolt 541, hollow 36 end of spindle nose in front end are connected with driven gear 54, the driven gear 54 be provided with in front end Empty 36 end axle journal of spindle nose is in the centre bore of clearance fit, is respectively arranged at central aperture edge in circumferential 34 equal parts and axially sets The gear locating tensioning block and bolt 541 set, and consolidated driven gear 54 by screwing tight gear locating tensioning block and bolt 541 It is scheduled on hollow 36 end of spindle nose in front end, the driven gear 54, which is connected by meshing transmission, driving gear 53, the driving gear 53 It is mounted on 52 output shaft of speed reducer, speed reducer 52 is connect with motor 51, and the power that motor 51 exports is passed through driving gear 53, driven gear 54 passes to the hollow spindle nose 36 in front end and realizes the rotation of spiral hollow shaft 3 and conveying.

Further, it is integral in the Split type casing 1 by inner housing II 11, the band connection of material mouth inner housing I 12 interior Layer shell be circumferentially external to be enclosed with by upper layer outer housing 13, lower layer's outer housing 14 to connect with outer housing telescopic joint 4 and is integral outside Layer shell, whole outer shell axial ends pass through semi-ring under outer housing sealing gland 18, filler upper half ring stand 112, filler Semi-ring nipple 142, outer housing airtight and watertight padding 181 are closed under frame 122, upper half ring nipple 132, filler, form it into closing Hot gas carrier collet cavity, and by its rear end into hot air outlet 131 is set as hot air inlet, the feed inlet and outlet 121 of front end is set For hot air outlet；

Hot gas carrier in the present embodiment is 350 DEG C~400 DEG C high-temperature flue gas caused by heating furnace burns, and is arranged by top Mouth is extracted out through smoke exhaust fan, is air heating through flue gas heat-exchange unit, is heated to 300 DEG C~350 DEG C of air, is sent by air blower Enter rear end as hot air inlet into hot air outlet 131, it is intracorporal de- to inner layer case to flow through closed hot gas carrier collet cavity The circumferential heating of sulphur ash, and the flowing out into hot air outlet 131 as hot air outlet by front end；

In Desulphurization helical feed, both circumferentially in heating process, it is heated to 300 DEG C~350 DEG C of high temperature and pressure air When by the outer housing telescopic joint 4 being made of faucet section 41 and socket section 42 in Split type casing 1, due to temperature or pressure Variation leads to the expansion of outer shell axial direction, shortens so as to cause faucet section 41 or the opposite compression of socket section 42, compression shortens Distance be less than the length of faucet section 41 or socket section 42 sections of circle, and socket flange 411, bellmouth method are through by set Spacing on telescopic joint double end caging bolt 45 on orchid 421 between two stop nuts 451 of twist-on is limited；

When non-heated, since the contraction of the variation outer shell of temperature or pressure causes faucet section 41 or socket section 42 opposite It is opposite to pull out, the length that elongated distance is less than 42 cylindrical section of faucet section 41 or socket section is pulled out, is equally worn by set On the telescopic joint double end caging bolt 45 on socket flange 411, socket flange 421 between two stop nuts 451 of twist-on Spacing limited.

Further, the spiral hollow shaft 3 for being connected with bellows coupling 33 is arranged in axial central through hole shape, axial direction The rear end crossover sub at both ends clamps connection annular groove 311, crossover sub clamping connection annular groove 361 in front end is connected separately with conversion and connects Head is heated to 300 DEG C~350 DEG C of air, is sent into rear end crossover sub by air blower, flows through spiral hollow shaft 3 in axial direction Heart through-hole is circumferentially heated to Desulphurization, and is flowed out by front end crossover sub；

In the rotation of spiral hollow shaft 3, both circumferentially in heating process, it is heated to 300 DEG C~350 DEG C of high temperature and pressure air Pass through the bellows coupling being made of metal bellows 334, axis connection pipe 331 and fixed sleeving 337 in spiral hollow shaft 3 When 33, since the variation of temperature or pressure leads to the expansion of the axial direction of metal bellows 334, to insert the axis connection pipe of connection 331 or the opposite compression of 337 axial distance of fixed sleeving shorten, compress the distance to shorten and be less than axis connection pipe 331 or fixing sleeve The length of 337 pipeline section of pipe, and by twist-on on the set shaft coupling double end caging bolt 335 being through on two otic placodes 333 Two stop nuts between spacing limited；

When non-heated, since the contraction of the variation metal bellows 334 of temperature or pressure leads to axis connection pipe 331 or fixes Casing 337 is relatively opposite to be pulled out, and pulls out the length that elongated distance is less than 337 pipeline section of axis connection pipe 331 or fixed sleeving, together Between two stop nuts of the sample by twist-on on the set shaft coupling double end caging bolt 335 being through on two otic placodes 333 Spacing limited.

Further, the inner housing II 11, band I 12 respectively arranged four groups of water conservancy diversion of material mouth inner housing are to use by backing 15 In increasing inner housing II 11, band I 12 heating surface area of material mouth inner housing, accelerate heat exchange transmitting；Using etc. radial height dimension set The water conservancy diversion set is by stiffening plate 16 in backing 15, semi-circular, in the circumferential direction that radial direction and upper layer outer housing 13, lower layer's outer housing 14 form Inner surface is equipped with the clearance distance of 10 ± 2 ㎜, for offsetting since the variation of temperature or pressure causes ectonexine case swells to become Shape；The longitudinal center line of the spiral hollow shaft 3 is reasonable in 10 ㎜ of longitudinal center line that vertical direction is higher than Split type casing 1 Gap, for reduce as spiral hollow shaft 3 is too long and caused by the larger phenomenon of amount of deflection；

It is the gapless stainless steel tube of 14mm, spiral hollow shaft tube body 34 and two that the spiral hollow shaft tube body 34, which selects wall thickness, The hollow spindle nose 31 in the rear end at end, hollow 36 material selection 316L material of the spindle nose production in front end, in order to reduce in Desulphurization and spiral Empty axis 3, helical blade 37, the frictional force between Split type casing 1, prevent 37 outer rim rapid wear of helical blade, in helical-blade The reasonable gap 10 ㎜ is equipped between piece 37 and Split type casing 1, it is ensured that when spiral hollow shaft 3 rotates in operational process, spiral Blade 37 is not touched with the wiping of Split type casing 1.

When the utility model screw conveyor works, the output of frequency control motor 51 is determined according to specified conveying capacity first Revolving speed meets the requirement of conveying capacity；It is driven by 51 retarder 52 of motor, before being passed to by driving gear 53, driven gear 54 Hollow spindle nose 36 is held to realize that spiral hollow shaft 3 rotates, the spiral hollow shaft 3 of rotation pushes Desulphurization material by front end feed inlet Feed inlet and outlet 121 enters, and the feed inlet and outlet 121 of rear end discharge port is mobile, completes the conveying of sulphur ash object material；Transmission process In, all the way hot gas carrier enter from rear end hot air inlet into hot air outlet 131, flow through closed hot gas carrier collet cavity to The intracorporal Desulphurization of inner layer case circumferentially heats, and flowing out into hot air outlet 131 by front end hot air outlet, to screw conveyor into The heat treatment of row external circumferential；Another way from the hollow spindle nose 31 in the rear end that is connected to rear end rotary joint enter spiral hollow shaft 3, And be discharged from 36 front end of front end hollow shaft head by front end rotary joint, processing is internally heated to screw conveyor, thus Hot gas carrier directly carries out two-way heating to Desulphurization material from inside and outside two direction, and therefore, this structure adds Desulphurization material Thermal effect is significant, substantially increases the heating function of screw conveyor.

Claims (7)

1. a kind of two-way heated type Desulphurization screw conveyor, including spiral hollow shaft, the spiral hollow shaft are mounted on fission The inside of sandwich type element and the hollow spindle nose of the front and back ends at both ends pass through sealed bearing respectively and connect with Split type casing, described close End part seal filler, bearing, the front end hollow shaft cephalic par are respectively arranged between envelope bearing block and the hollow spindle nose of front and back ends It is connected with driving device；Bellows connection is connected with it is characterized by: being built on the spiral hollow shaft in Split type casing Axis device, the Split type casing include inner housing II, band material mouth inner housing I, upper layer outer housing, lower layer's outer housing；

II inner end of inner housing, half ring flange, I inner end semi-ring flange of inner housing are axially connected together, so that inner housing II, Band material mouth inner housing I connection is integral, and using feed inlet and outlet it is down-set in axial rearward end as the lower case of internal layer；Again It will axially be connected and set up for another whole inner housing II, another feed inlet and outlet with material mouth inner housing I in axis Upper body of the forward end as internal layer, the side of internal layer upper body is along the side with internal layer lower case vertically in succession It connects and is integral inner shell, and the axial intermediate position of its whole inner shell is set with outer housing telescopic joint；

Lower layer's outer housing inner end semi-ring flange it is axial respectively with the socket flange of outer housing telescopic joint two sides, bellmouth sealing flange Lower half links together, upper layer outer housing inner end semi-ring flange it is axial respectively with the socket flange of outer housing telescopic joint two sides, The upper half of bellmouth sealing flange links together, and the side of upper layer outer housing is vertically docked along the side with lower layer outer housing It links together, connect its upper layer outer housing, lower layer's outer housing with outer housing telescopic joint and be integral outer shell；

Two sides link together with semi-ring nipple under filler lower layer's outer housing outer end semi-ring flange respectively axially back and forth, outside upper layer Two sides link together with filler upper half ring nipple shell outer end semi-ring flange respectively axially back and forth, and the filler upper half ring is short Adapter tube side edge vertically links together with semi-ring nipple side under filler respectively；

Outer housing sealing gland be set in the filler upper half ring stand of two sides axially back and forth, on filler lower half ring stand outer surface, It is inserted under upper half ring nipple, filler inside semi-ring nipple again, and ring is kept off on outer housing seal gland end and filler Outer housing airtight and watertight padding is packaged under plate, filler between ring baffle, the outer housing sealing gland other end is welded with flange point The other end not with semi-ring nipple under filler upper half ring nipple, filler is axially connected together.

2. a kind of two-way heated type Desulphurization screw conveyor according to claim 1, it is characterised in that:

It is around-France that the II axial ends portion of inner housing is respectively welded II outer end of inner housing, half ring flange, II inner end half of inner housing Orchid, the axial left and right sides are respectively welded II side edge of inner housing, and II side of inner housing is on from II inner end of inner housing It rises to 50 ㎜ to rise at semi-ring flange periphery and is successively respectively welded four groups of water conservancy diversion by backing along axial direction, every group of water conservancy diversion is by backing 19 water conservancy diversion are provided with by backing in circumferential 20 equal parts of semicircle respectively, and every group of water conservancy diversion is arranged by axially spaced-apart between backing For 50 ㎜, every group of water conservancy diversion is heated among piece axially spaced-apart and is respectively welded on II outer surface of inner housing at position in semiorbicular Stiffening plate in semi-circular, stiffening plate radial height is identical by backing radial height as water conservancy diversion in its semi-circular, in the semi-circular Stiffening plate is respectively arranged with 9 arc-shaped through-holes in circumferential ten equal parts of semicircle, and the 4th group of water conservancy diversion is risen by backing rear end to 25 ㎜ Place is welded in semiorbicular filler upper half ring stand, and is circumferentially welded in water conservancy diversion by the filler upper half ring stand edge of backing side It is connected to ring baffle on the filler of semicircular, ring baffle radial height is identical by backing radial height as water conservancy diversion on the filler.

3. a kind of two-way heated type Desulphurization screw conveyor according to claim 1, it is characterised in that:

The I axial ends portion of band material mouth inner housing is respectively welded I outer end of inner housing, half ring flange, I inner end semi-ring of inner housing Flange is respectively welded I side edge of inner housing at axial left and right sides edge, and I side of inner housing is along upper from inner casing It rises to 50 ㎜ to rise at I inner end semi-ring flange periphery of body and is successively respectively welded four groups of water conservancy diversion by backing along axial direction, described every group is led Stream is in that circumferential 20 equal parts of semicircle are provided with 19 water conservancy diversion by backing, and every group of water conservancy diversion is by axial between backing by backing respectively 50 ㎜ are set to, are welded respectively on I outer surface of band material mouth inner housing at position among the heated piece axially spaced-apart of every group of water conservancy diversion It is connected to that stiffening plate in semi-circular, stiffening plate radial height is identical by backing radial height as water conservancy diversion in its semi-circular, the semi-ring Stiffening plate is respectively arranged with 9 arc-shaped through-holes in circumferential ten equal parts of semicircle in shape, and the 4th group of water conservancy diversion is risen extremely by backing rear end It is welded at 25 ㎜ in semiorbicular filler lower half ring stand, ring baffle radial height and water conservancy diversion are radial high by backing under the filler It spends identical；Tubulose feed inlet and outlet is welded on I outer surface of band material mouth inner housing on front side of the filler lower half ring stand.

4. a kind of two-way heated type Desulphurization screw conveyor according to claim 1, it is characterised in that:

The upper layer outer housing axial ends portion is respectively welded half ring flange of upper layer outer housing inner end, upper layer outer housing outer end half Ring flange is respectively welded upper layer outer housing side edge, upper layer outer housing outer end semi-ring at axial left and right sides edge It is welded on the upper layer shell external surface of flange one end into hot air outlet, outside the upper layer outer housing on front side of hot air outlet The outer strengthening version of 3 semi-circulars is successively equidistantly respectively welded on surface.

5. a kind of two-way heated type Desulphurization screw conveyor according to claim 1, it is characterised in that:

Lower layer's outer housing axial ends portion is respectively welded half ring flange of lower layer's outer housing inner end, lower layer's outer housing outer end half Ring flange, is respectively welded lower layer's outer housing side edge at axial left and right sides edge, outside the lower layer of lower layer's outer housing Half ring flange of shell inner end, half ring flange of lower layer's outer housing outer end are around-France with the upper layer outer housing inner end half of upper layer outer housing respectively Blue, half ring flange of upper layer outer housing outer end is correspondingly arranged up and down, and on the outer surface of lower layer's outer housing and outside the outer housing of upper layer Corresponding position is welded with the outer strengthening version of another semi-circular, the lower layer to the outer strengthening version of the semi-circular at intermediate position up and down on surface Corresponding position is distinguished above and below latter two the outer strengthening version of semi-circular of going forward on the outer surface of outer housing, with upper layer shell external surface It is welded with two u-bracket versions.

6. a kind of two-way heated type Desulphurization screw conveyor according to claim 1, it is characterised in that:

Connection is integral another disengaging that the down-set feed inlet and outlet of inner shell is set as rear end discharge port, sets up Material mouth is set as front end feed inlet.

7. according to claim 1 or a kind of 4 two-way heated type Desulphurization screw conveyors, it is characterised in that:

Connection be integral outer shell upper layer outer housing rear end setting into hot air outlet is set as hot air inlet, its front end is set That sets is set as hot air outlet into hot air outlet.