CN108408344A

CN108408344A - A kind of two-way heated type Desulphurization screw conveyor

Info

Publication number: CN108408344A
Application number: CN201810348843.9A
Authority: CN
Inventors: 陈永辉; 周景伟; 常少文
Original assignee: Anshan Huaren Machinery Manufacturing Co Ltd
Current assignee: Anshan Huaren Machinery Manufacturing Co Ltd
Priority date: 2018-04-18
Filing date: 2018-04-18
Publication date: 2018-08-17
Anticipated expiration: 2038-04-18
Also published as: CN108408344B

Abstract

A kind of two-way heated type Desulphurization screw conveyor disclosed by the invention, 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, it 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 is equipped with end part seal filler, bearing with the hollow between centers of spiral, and spiral hollow shaft front end is connected with driving device.Hot gas carrier enters hot gas carrier chuck cavity from rear end air inlet, flows out the circumferentially heat treatment of progress hull outside by front end gas outlet all the way in use；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 carries out two-way heating from inside and outside two direction to Desulphurization material, it is made existing helical feed function and to have pre-heating temperature elevation function at runtime.

Description

A kind of two-way heated type Desulphurization screw conveyor

Technical field

The present invention relates to dry method, semi-dry process flue gas desulphurization byproduct comprehensive utilization technical field, more particularly to a kind of pair Road heated type Desulphurization screw conveyor.

Background technology

Due to dry method, semi-dry desulphurization equipment investment is few, floor space 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, it is made to be widely adopted.Since dry method, semi-dry desulphurization are with CaCO₃Or Ca (OH)₂For desulfurization The by-product of agent, generation is 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 it is widely used in the necks such as building materials, building and finishing 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 heat 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 to be sent into two-part revolution oxidation kiln by bottom screw(-type) feeder, is needed in preheating section by heat Air is preheated, and is moved 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 heat by outside, and kiln temperature controls between 550~600 DEG C, 0.5~3.0r/ of oxidation kiln revolution rotating 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, more abundant, the oxidation efficiency higher of Desulphurization oxidation.Accordingly, it is now desired to A kind of two-way heated type Desulphurization screw conveyor that can be solved the above problems.

Invention content

The purpose of the present invention：To solve the above problems, in view of the deficiencies of the prior art, the present invention provides a kind of double Road heated type Desulphurization screw conveyor, making it at runtime had not only had the function of helical feed but also had had the function of pre-heating temperature elevation, and And it is simple and reliable for structure, convenient and easy.

Technical solution：In order to achieve the above objectives, the present invention adopts the following technical scheme that realization：

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 are connect by sealed bearing with Split type casing respectively, 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 both ends are 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 with respectively at axial left and right sides edge II side edge of inner housing, II side of the inner housing are respectively arranged with multiple bolts hole, the inner housing in vertical direction along upper II outer end, half ring flange, II inner end of inner housing, half ring flange are axially provided with 6 bolts hole, institute respectively in circumferential six deciles of semicircle It states on II outer surface of inner housing from II inner end semi-ring flange periphery of inner housing to being respectively welded in an axial direction successively 50 ㎜ For four groups of water conservancy diversion by backing, every group of water conservancy diversion is in that circumferential 20 deciles of semicircle are provided with 19 water conservancy diversion by backing respectively by backing, And every group of water conservancy diversion between by backing axially spaced-apart be set as 50 ㎜, every group of water conservancy diversion is heated the interior of position among piece axially spaced-apart Be respectively welded on II outer surface of shell in reinforcing plate radial height in reinforcing plate in semiorbicular semi-circular, its semi-circular with lead Stream is identical by backing radial height, and reinforcing plate is respectively arranged with 9 arc-shaped through-holes in circumferential ten deciles 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 welded in circumferential It is connected 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 both ends It is in be circumferentially welded with I outer end of inner housing, half ring flange, I inner end of inner housing, half ring flange respectively, at axial left and right sides edge It is in be axially welded with I side edge of inner housing respectively, I side of the inner housing is respectively arranged with multiple bolts in vertical direction along upper Hole, I outer end of the inner housing, half ring flange, I inner end of inner housing, half ring flange are axially provided with 6 respectively in circumferential six deciles of semicircle A bolt hole, to edge successively 50 ㎜ from I inner end semi-ring flange periphery of inner housing on I outer surface of band material mouth inner housing Four groups of water conservancy diversion are axially respectively welded by backing, every group of water conservancy diversion is in that circumferential 20 deciles of semicircle are provided with 19 respectively by backing Piece water conservancy diversion by backing, and every group of water conservancy diversion between by backing axially spaced-apart be set as 50 ㎜, every group of water conservancy diversion is heated between piece axial direction It is respectively welded in reinforcing plate, its semi-circular in semiorbicular semi-circular every on I outer surface of band material mouth inner housing at intermediate position Interior reinforcing plate radial height is identical by backing radial height as water conservancy diversion, and reinforcing plate is in circumferential ten deciles 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 in the case where water conservancy diversion is circumferentially welded with the filler of semicircular by the filler lower half ring stand edge of backing side, ring is kept off Plate, wherein semi-ring internal diameter are welded in circumferential on I outer surface of band material mouth inner housing, under the filler ring baffle radial height with lead Stream is 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 both 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 in be axially welded with upper layer outer housing side edge respectively 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 to be axially provided with 6 bolts respectively in circumferential six deciles of semicircle Hole, half ring flange of upper layer outer housing outer end are axially provided with 9 bolts hole, the upper layer respectively in circumferential nine deciles of semicircle 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 both 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 in be axially welded with lower layer's outer housing side edge respectively 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 to be axially provided with 6 bolts respectively in circumferential six deciles of semicircle Hole, half ring flange of lower layer's outer housing inner end are axially provided with 9 bolts hole, the lower layer respectively in circumferential nine deciles of semicircle 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 respectively with 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 intermediate position on the shell external surface of upper layer 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 on the outside of the edge of its rear end in circumferential Diversion pipe in a tubular form, the socket section are arranged in axial step tubular structure, are in be circumferentially provided on the outside of the edge of its rear end 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 loop configuration 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 It is packaged with telescopic joint airtight and watertight padding between lid front end and sealing ring baffle, outside at the telescopic joint sealing gland back edge It is welded with flange in circumferential, in circumferential eight equal parts has been uniformly arranged 8 bolts hole on its flange and by connecting bolt and bellmouth Sealing flange is axially connected together, and is uniformly separately provided in the circumferential quartering on the socket flange, socket flange 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 Negative 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, I connection of band material mouth inner housing are integral internal layer 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, makes its axial direction respectively It is bolted respectively one with the socket flange of outer housing telescopic joint both sides, bellmouth sealing flange vertical direction lower half 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 be sealed respectively with the socket flange of outer housing telescopic joint both sides, bellmouth The flange vertical direction first 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 casing, and upper layer outer housing, lower layer's outer housing faying face with as internal layer upper and lower part shell Inner housing II, I faying face of band material mouth inner housing are in same level setting, and its rear end are set as into hot air outlet into heat Gas 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 both sides axially back and forth smears high temperature respectively Sealing makes it be axially bolted together in semi-ring nipple under the cricoid filler of lower half with axial cross section respectively, institute The upper layer outer housing outer end semi-ring end face of flange for stating upper layer outer housing both sides axially back and forth smears high-temperature seal adhesive, makes its axis respectively 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 setting symmetrical above and below of both sides, 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 inserted on the filler of end and vertical direction setting symmetrical above and below under ring baffle, filler and is packaged with outer housing sealing 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 connect 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 endoporus 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 make it be welded 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 being 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 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 eight connection bolts being respectively set in circumferential eight equal parts on its flange with 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 is arranged, and front end is 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 being arranged in axial strip cut, two sides are in that axial parallel shape is arranged to the mobile notch up and down, described Fixed sleeving front tube intracavitary portion 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 It is in axial strip setting in being respectively equipped on both lateral sides outer wall to have the pipe flange of discoid coaxial arrangement in a ring, front end Position rotating block, two sides are in that axial parallel shape is arranged, and position rotating block is in axial gap to the position rotating block up and down Cooperation is inserted into mobile notch, for transmitting spiral hollow shaft torque, and the axis connection pipe rear side tube wall outer sheath welding equipment connects Have a ring flat-plate flange of discoid coaxial arrangement in a ring, the ring flat-plate flange by be in thereon circumferential eight equal parts be respectively set eight A connection bolt and the short circuit pipe flange in left side are detachably fixed and link together, in circumferential 16 deciles point on the pipe flange 16 bolts hole not being arranged, for connect with rear end nipple by connecting bolt, carry the shaft coupling pair of double thread Head caging bolt both ends are each passed through the otic placode of the left and right sides and so that its limit is fixed 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 support plate, outer pipe flange, bearing block, bearing gland, bearing block clip plate, bearing block interior sealing, bearing gland 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 on the end outer tube wall of end plate side axial side port, the end plate axis are provided in lateral symmetry respectively 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, is packaged with end part seal filler in the end plug pipe, and by bolt by end part seal pressure Lid links together with end plug pipe, its end part seal filler is made to be encapsulated in end plug pipe；On the downside of the end outer tube, Be welded with triangle support plate on front side of end plate in vertical direction, the connection bolt that the end plate is axially arranged by it respectively with before axial direction II outer end of inner housing, half ring flange of both 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 Bearing is installed in bearing 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 bearing block interior sealing；

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 Material, end part seal gland, bearing block clip plate, bearing block interior sealing, bearing block, bearing, bearing gland, gland external seal, axis Pressure cap outer plate makes its rear end hollow shaft cephalic par stretch out outside sealed bearing, and wherein rear end short circuit tube end and end is close End part seal filler is extruded in realization pipe end housing seal, the rear end on the short circuit tube wall of rear end by sealed cover in clearance fit At hollow spindle nose ladder the rotation of spiral hollow shaft and support, the bearing block internal pressure are realized in tight fit connection with bearing inner race Plate, bearing gland outer plate respectively respectively squeeze bearing block interior sealing, gland external seal 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 Material, end part seal gland, bearing block clip plate, bearing block interior sealing, bearing block, bearing, bearing gland, gland external seal, axis Pressure cap outer plate makes its front end hollow shaft cephalic par stretch out outside sealed bearing, and wherein short circuit tube end in front end is set 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 at central aperture edge in circumferential decile 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 connect with 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 with Conveying.

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

A kind of two-way heated type Desulphurization screw conveyor disclosed by the invention, including Split type casing, spiral hollow shaft, Outer housing telescopic joint, spiral hollow shaft is mounted on inside Split type casing and both ends pass through sealed bearing and Split type casing It connects, bellows coupling is connected on the spiral hollow shaft being built in Split type casing, Split type casing is equipped with shell Body telescopic joint, sealed bearing are equipped with end part seal filler, bearing with the hollow between centers of spiral, and spiral hollow shaft front end is connected with drive Dynamic device.Hot gas carrier enters hot gas carrier chuck cavity, by front end gas outlet from rear end air inlet all the way in use Outflow carries out hull outside and circumferentially heats；Another way enters spiral hollow shaft from rear end rotary joint and is rotated from front end Connector discharge carries out enclosure interior heat treatment so that hot gas carrier directly carries out two-way from inside and outside two direction to Desulphurization material Heating makes it existing helical feed function and have pre-heating temperature elevation function at runtime.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the present invention；

Fig. 2 is the main structure diagram of the present invention；

Fig. 3 is the left view structural representation of the present invention；

Fig. 4 is the right side structural representation of the present invention；

Fig. 5 is the overlooking structure diagram of the present invention；

Fig. 6 is the A-A cross-sectional views of Fig. 5；

Fig. 7 is the B-B cross-sectional views of Fig. 6；

Fig. 8 is the Split type casing structural schematic diagram of the present invention；

Fig. 9 be the present invention upper layer outer housing dimensional structure diagram is not installed；

Figure 10 is I dimensional structure diagram of band material mouth inner housing of the present invention；

Figure 11 is II dimensional structure diagram of inner housing of the present invention；

Figure 12 is the upper layer outer housing dimensional structure diagram of the present invention；

Figure 13 is lower layer's outer housing dimensional structure diagram of the present invention；

Figure 14 is the bellows coupling structural schematic diagram of the present invention；

Structural schematic diagram when Figure 15 is the transmission torque of the present invention；

Figure 16 is the outer housing expansion joint structure schematic diagram of the present invention；

In figure：1- Split type casings, 2- sealed bearings, 3- spirals hollow shaft, 4- outer housings telescopic joint, 5- driving dresses Set, 11- inner housings II, II side of 111- inner housings edge, ring baffle, 113- inner casings on 112- filler upper half ring stand, 1121- fillers II outer end of body, half ring flange, II inner end of 114- inner housings, half ring flange, 12- band material mouths inner housing I, 121- feed inlet and outlets, 122- Ring baffle, I outer end of 123- inner housings, half ring flange, I inner end half of 124- inner housings are around-France under filler lower half ring stand, 1221- fillers Orchid, I side of 125- inner housings edge, the upper layers 13- outer housing, 131- are on hot air outlet, 132- filler upper half rings nipple, 133- Half ring flange of layer outer housing inner end, half ring flange of the upper layers 134- outer housing outer end, the upper layers 135- outer housing side edge, 14- lower layers Semi-ring nipple, 143- lower layers outer housing outer end semi-ring under outer housing, half ring flange of 141- lower layers outer housing inner end, 142- fillers Flange, 144- lower layers outer housing side edge, 15- water conservancy diversion are by reinforcing plate, 161- arc-shaped through-holes, 17-U types in backing, 16- semi-circulars Holder version, 18- outer housings sealing gland, the airtight and watertight padding of 181- outer housings, 19- semi-circulars outer strengthening version, 21- end plates, the ends 22- Loading pipe, 23- end part seals gland, 231- end part seals filler, the ends 24- outer tube, 241- axial directions side port, 242- outer tube branch Plate, 243- outer pipe flange, 25- bearing blocks, 26- bearing glands, 27- bearing blocks clip plate, 271- bearing blocks interior sealing, 28- axis Pressure cap outer plate, 281- glands external seal, 29- bearings, the hollow spindle nose in the rear ends 31-, the rear ends 311- crossover sub clamp connection Annular groove, the rear ends 32- nipple, 33- bellows couplings, 331- axis connections pipe, 3311- position rotatings block, 3312- pipe flanges, 332- ring flat-plates flange, 333- otic placodes, 334- metal bellows, 335- shaft coupling double ends caging bolt, 336- nipples, 337- are solid It is hollow to determine casing, 3371- movements notch, 3372- sets flange, 34- spiral hollow shafts tube body, the front ends 35- nipple, the front ends 36- Spindle nose, the front ends 361- crossover sub clamp connection annular groove, 37- helical blades, 41- faucet sections, 411- sockets flange, 412- water conservancy diversion Pipe, 42- socket sections, 421- socket flanges, 422- sealing rings baffle, 423- bellmouths sealing flange, 43- telescopic joints sealing gland, The airtight and watertight padding of 44- telescopic joints, 45- telescopic joint double end caging bolts, 451- stop nuts, 51- motors, 52- speed reducers, 53- master Moving gear, 54- driven gears, 541- gear locating tensioning blocks and bolt.

Specific implementation mode

The present invention is described in detail with reference to the accompanying drawings of the specification, it should be noted that the implementation of the present invention is unlimited In the following embodiments and the accompanying drawings.

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 paper front side direction is " 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, can also other manner define the directions such as "front", "rear", "left", "right", "upper", "lower", equally fall into the present invention Protection domain within.

See shown in Fig. 1-Figure 16, a kind of two-way heated type Desulphurization screw conveyor, including Split type casing 1, sealing axis Bearing 2, spiral hollow shaft 3, outer housing telescopic joint 4, driving device 5, the spiral hollow shaft 3 are mounted on Split type casing 1 The hollow spindle nose in the internal and hollow spindle nose 31 in rear end at both ends, front end 36 passes through sealed bearing 2 and Split type casing 1 respectively Connection, is connected with bellows coupling 33, the sealing wherein being built on the spiral hollow shaft 3 of rear end in Split type casing 1 It is respectively arranged with end part seal filler 231, bearing 29, institute between the hollow spindle nose in the hollow spindle nose 31 of bearing block 2 and rear end, front end 36 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 both ends are 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 It is in be axially welded with II side of inner housing along 111 respectively, II side of the inner housing is respectively arranged in vertical direction along 111 Multiple bolts hole, II outer end of the 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 the inner housing Locate to 50 ㎜ to rise and be respectively welded four groups of water conservancy diversion in an axial direction successively by backing 15, every group of water conservancy diversion is in half respectively by backing 15 Circumference is provided with 19 water conservancy diversion by backing 15 to 20 deciles, and every group of water conservancy diversion between by backing 15 axially spaced-apart be set as 50 ㎜, 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 Reinforcing plate 16 in semi-circular, 16 radial height of reinforcing plate is identical by 15 radial height of backing as water conservancy diversion in its semi-circular, and described half Reinforcing plate 16 is respectively arranged with 9 arc-shaped through-holes 161 in circumferential ten deciles of semicircle in annular, and the 4th group of water conservancy diversion is by backing 15 It is welded in semiorbicular filler upper half ring stand 112, and on filler of the water conservancy diversion by 15 side of backing at rear end to 25 ㎜ 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 both 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 in be axially welded with I side of inner housing along 125 respectively at lateral edges, I side of the inner housing is distinguished in vertical direction along 125 Multiple bolts hole are provided with, I outer end of the inner housing, half ring flange 123, I inner end of inner housing, half ring flange 124 are circumferential in semicircle Six deciles 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 rise to 50 ㎜ to rise is respectively welded four groups of water conservancy diversion by backing 15 in an axial direction successively, and every group of water conservancy diversion is by backing 15 are in respectively that circumferential 20 deciles of semicircle are provided with 19 water conservancy diversion by backing 15, and every group of water conservancy diversion is between by backing 15 between axial direction 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 It is in reinforcing plate 16 in semiorbicular semi-circular to be welded with, 16 radial height of reinforcing plate and water conservancy diversion are radial by backing 15 in its semi-circular Highly identical, reinforcing plate 16 is respectively arranged with 9 arc-shaped through-holes 161 in circumferential ten deciles 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 in circumferential on I 12 outer surface of band material mouth inner housing, 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 the 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 both ends It is in be circumferentially welded with half ring flange 133 of upper layer outer housing inner end, half ring flange 134 of upper layer outer housing outer end respectively, it is axial left It is in be axially welded with upper layer outer housing side along 135 respectively at right both sides of the edge, 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 deciles 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 deciles 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 to setting into hot air outlet 131 at the pipe end into hot air outlet 131 It is equidistantly respectively welded 3 semi-circulars in semi-circular setting successively on 13 outer surface of upper layer outer housing of 131 front side of gas port Outer strengthening version 19.

Lower layer's outer housing 14 is arranged in cross section semi-circle tubular, axially hollow strip structure, axial both ends It is in be circumferentially welded with half ring flange 141 of lower layer's outer housing inner end, half ring flange 143 of lower layer's outer housing outer end respectively, it is axial left It is in be axially welded with lower layer's outer housing side along 144 respectively at right both sides of the edge, 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 deciles 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 deciles 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 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 strengthening version 19 up and down in vertical direction outside the semi-circular at position, described On the outer surface of lower layer's outer housing 14, strengthening version 19 is perpendicular outside with former and later two semi-circular on 13 outer surface of upper layer outer housing 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 socket joint faucet section 41 together and socket section 42, 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 be circumferentially 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 loop configuration 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 Inside 42 rear end of socket section, and telescopic joint is packaged 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 with bellmouth sealing flange 423 by connecting bolt, described On socket flange 411, socket flange 421 axially connect 4 telescopic joints pair are uniformly separately provided in the circumferential quartering Head caging bolt 45, wherein being provided with its spacing on the telescopic joint double end caging bolt 45 is 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, I 12 connection of band material mouth inner housing is integral, and is distinguished along 125 end faces along 111, inner housing, I side 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 negative 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, I 12 connection of band material mouth inner housing is integral internal layer 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 both 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 Socket flange 411, the 423 vertical direction first half of bellmouth sealing flange of 4 both sides are bolted together, make outside its upper layer Shell side is docked with lower layer's outer housing side along 144 along 135 and is bolted together up and down in vertical direction respectively, makes Upper layer outer housing 13, lower layer's outer housing 14 connect with outer housing telescopic joint 4 and are integral outer casing, and upper layer outer housing 13,14 faying face of lower layer's outer housing and inner housing II 11, I 12 faying face of band 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 the both sides axially back and forth of lower layer's outer housing 14 Warm fluid sealant makes it be axially bolted respectively in semi-ring nipple 142 under the cricoid filler of lower half with axial cross section Together, high temperature is smeared in half ring flange of upper layer outer housing outer end, 134 end face of the both sides axially back and forth of the upper layer outer housing 13 respectively Fluid sealant makes its filler upper half ring nipple 132 for axially presenting semicircular with axial cross section respectively be bolted one It rises, elevated-temperature seal is smeared in the side being arranged at the axial left and right sides edge of the filler upper half ring nipple 132 respectively along end face 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 under filler 142 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 both 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 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 connect 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 Endoporus is equipped with 1221 outer diameter of ring baffle under ring baffle 1121, filler on filler in axial gap.

The spiral hollow shaft 3 includes 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 manufacturing forms, 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 helical blade 37 is uniformly fixedly welded with 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 set to be 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 the bellows coupling, 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 in the rear end of stepped setting 31 so that spiral hollow shaft 3 is arranged in axial central through hole shape, in the rear end Rear end crossover sub is equipped in circumferential groove in its end portion shape clamp connection annular groove 311, the front end on 31 rear end outer surface of empty spindle nose Front end crossover sub is equipped in circumferential groove in its end portion shape clamp connection annular groove 361 on 36 front end outer surface of hollow spindle nose.

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 Take over 336 passes through the set flange of eight connections bolts and fixed sleeving 337 being respectively set in circumferential eight equal parts on its flange 3372 are detachably fixed and link together, and the fixed sleeving 337 is inserted into tubular construction inside 334 tube chamber of metal bellows Setting, front end are equipped with the set flange 3372 of discoid coaxial arrangement in a ring, and end is in be set respectively on both lateral sides wall thereafter It is in that axial parallel shape is set to have the mobile notch 3371 in axial strip cut setting, about 3371 two sides of the mobile notch It sets, 337 front tube intracavitary portion of the fixed sleeving is fixedly welded with 34 rear end of spiral hollow shaft tube body in axial inserting, Gu Determine 337 rear end pipe intracavitary portion 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 is arranged, and its rear end is 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 the position rotating block are put down in axial Row shape is arranged, and position rotating block 3311 is inserted into mobile notch 3371, in axial gap cooperation for transmitting in spiral 3 torque of empty axis, 331 rear side tube wall outer sheath welding equipment of the 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 the nipples of eight connections bolts and left side being respectively set thereon in circumferential eight equal parts 336 flanges, which are detachably fixed, to link together, 16 spiral shells being respectively set in circumferential 16 deciles on the pipe flange 3312 Keyhole is connect for passing through connection bolt with rear end nipple 32, carries 335 liang of the shaft coupling double end caging bolt of double thread End is each passed through the otic placode 333 of the left and right sides and so that its limit is fixed 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 support plate 242, outer pipe flange 243, bearing block 25, bearing gland 26, bearing block Clip plate 27, bearing block interior sealing 271, bearing gland outer plate 28, gland external seal 281, bearing 29；

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 on 24 tube wall of end outer tube of 21 side of end plate axial side port is provided in lateral symmetry respectively 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, so that its end part seal filler 231 is encapsulated in In end plug pipe 22；24 downside of the end outer tube, 21 front side of end plate are welded with triangle support plate 242 in vertical direction, described The connection bolt that end plate 21 is axially arranged by it respectively with II outer end of the inner housing of both sides axially back and forth, half ring flange 113, 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, the inside of the bearing gland outer plate 28 are packaged in gland external seal 281, after 25 axial direction of the bearing block Bearing block clip plate 27 has been bolted in side, and 27 inside of the bearing block clip plate is packaged in bearing block interior sealing 271；

Being welded with the rear end nipple 32 of the hollow spindle nose in rear end 31, to sequentially pass through the end plate 21 of rear end setting, end close Packing material 231, end part seal gland 23, bearing block clip plate 27, bearing block interior sealing 271, bearing block 25, bearing 29, bearing 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 is extruded in rear end by nipple 32 end in rear end with end part seal gland 23 in clearance fit Pipe end housing seal is realized on 32 tube wall of nipple, is connected in tight fit with 29 inner ring of bearing at hollow 31 ladder of spindle nose in rear end It connects and realizes that spiral hollow shaft 3 is rotated and supported, the bearing block clip plate 27, bearing gland outer plate 28 are hollow with rear end respectively Bearing block interior sealing 271, gland external seal 281 are extruded on the hollow spindle nose in rear end 31 in clearance fit and realize by spindle nose 31 respectively Bearing 29 seals；

Being welded with the front end nipple 35 of the hollow spindle nose in front end 36, to sequentially pass through the end plate 21 of front end setting, end close Packing material 231, end part seal gland 23, bearing block clip plate 27, bearing block interior sealing 271, bearing block 25, bearing 29, bearing 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 with front end at hollow 36 ladder of spindle nose in front end 29 inner ring of bearing is realized 3 rotation of spiral hollow shaft in tight fit connection and is supported, outside the bearing block clip plate 27, bearing gland Bearing block interior sealing 271, gland external seal 281 are extruded in the hollow spindle nose 36 in front end in clearance fit by pressing plate 28 respectively respectively Realization 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 36 end axle journal of empty spindle nose is in the centre bore of clearance fit, is respectively arranged in circumferential 34 deciles at central aperture edge 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 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 that spiral hollow shaft 3 is rotated and conveyed.

Further, it is integral by inner housing II 11, I 12 connection of band material mouth inner housing in the Split type casing 1 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 casing axial direction both 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 chuck 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 burning, is arranged by top Mouth is extracted out through smoke exhaust fan, is heated for air 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, flows through closed hot gas carrier chuck cavity to de- in internal layer shell The circumferential heating of sulphur ash, and flowed 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 casing axial direction, shortens so as to cause faucet section 41 or the opposite compression of socket section 42, compression shortens Distance be less than faucet section 41 or socket section and justify the length of 42 sections, 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 casing 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 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, and rear end crossover sub is sent 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, four groups of water conservancy diversion being respectively set with material mouth inner housing I 12 are to use by backing 15 In increasing inner housing II 11, I 12 heating surface area of band material mouth inner housing, accelerates heat exchange and transmit；Using etc. radial height dimension set The water conservancy diversion set is by reinforcing 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 rational higher than 10 ㎜ of longitudinal center line of Split type casing 1 in vertical direction Gap, for reduce due to spiral hollow shaft 3 is 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 rear end at end, the hollow 36 material selection 316L materials of spindle nose in front end make, in order to reduce in Desulphurization and spiral Frictional force between empty axis 3, helical blade 37, Split type casing 1 prevents 37 outer rim rapid wear of helical blade, in helical-blade The rational gaps 10 ㎜ are 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 screw conveyor work of the present invention, determine that the output of frequency control motor 51 turns according to specified conveying capacity first Speed meets the requirement of conveying capacity；It is driven by 51 retarder 52 of motor, front end is passed to by driving gear 53, driven gear 54 Hollow spindle nose 36 realizes that spiral hollow shaft 3 rotates, the spiral hollow shaft 3 of rotation push Desulphurization material by front end feed inlet into Discharge port 121 enters, and the feed inlet and outlet 121 of rear end discharge port moves, and completes the conveying of sulphur ash object material；In transmission process, Hot gas carrier enters from rear end hot air inlet into hot air outlet 131, flows through closed hot gas carrier chuck cavity to interior all the way Desulphurization in layer shell circumferentially heats, and is flowed out into hot air outlet 131 by front end hot air outlet, is carried out to screw conveyor External circumferential heats；Another way enters spiral hollow shaft 3, simultaneously from the hollow spindle nose 31 in the rear end that is connected to rear end rotary joint It is discharged from 36 front end of front end hollow shaft head by front end rotary joint, processing is internally heated to screw conveyor, to heat Gas carrier directly carries out two-way heating, therefore, heating of this structure to Desulphurization material from inside and outside two direction to Desulphurization material Significant effect substantially increases the heating function of screw conveyor.

Claims

1. a kind of two-way heated type Desulphurization screw conveyor, including spiral hollow shaft, the spiral hollow shaft is mounted on fission The inside of the sandwich type element and hollow spindle nose of the front and back ends at both ends is connect by sealed bearing with Split type casing respectively, it is described close It is respectively arranged with end part seal filler, bearing, the front end hollow shaft cephalic par between envelope bearing block and the hollow spindle nose of front and back ends It is connected with driving device；It is characterized in that：It is built on the spiral hollow shaft in Split type casing and is connected with bellows connection 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；

Axially docking links together for II inner end of inner housing, half ring flange, I inner end semi-ring flange of inner housing so that inner housing II, I connection of band material mouth inner housing is integral, and using feed inlet and outlet it is down-set in axial rearward end as the lower case of internal layer；Again By axial docking is connected as another whole inner housing II, another feed inlet and outlet with material mouth inner housing I is set up in axis Upper body of the forward end as internal layer, the side edge of internal layer upper body is with the side of internal layer lower case vertically in succession It connects and is integral internal layer shell, and the axial intermediate position of its whole internal layer 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 both 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 both sides, The first half of bellmouth sealing flange links together, and the side of upper layer outer housing is along vertically right with the side of lower layer outer housing It is connected together in succession, so that its upper layer outer housing, lower layer's outer housing is connect with outer housing telescopic joint and be integral outer casing；

Both 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 Both 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 Side edge is taken over vertically to link together with semi-ring nipple side under filler respectively；

Outer housing sealing gland be set in the filler upper half ring stand of both sides axially back and forth, on filler lower half ring stand outer surface, It is inserted into again under upper half ring nipple, filler inside semi-ring nipple, 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 axial both ends of the inner housing II are 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 the inner housing is on from II inner end of inner housing It rises to 50 ㎜ to rise at semi-ring flange periphery and is respectively welded four groups of water conservancy diversion in an axial direction successively by backing, every group of water conservancy diversion is by backing Be in respectively that circumferential 20 deciles of semicircle are provided with 19 water conservancy diversion by backing, and every group of water conservancy diversion between by backing axially spaced-apart be arranged For 50 ㎜, every group of water conservancy diversion is heated among piece axially spaced-apart and is respectively welded in semiorbicular on II outer surface of inner housing at position Reinforcing plate in semi-circular, reinforcing plate radial height is identical by backing radial height as water conservancy diversion in its semi-circular, in the semi-circular Reinforcing plate is respectively arranged with 9 arc-shaped through-holes in circumferential ten deciles 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 by the filler upper half ring stand edge of backing side in water conservancy diversion 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 axial both ends of the band material mouth inner housing I are 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 the 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 respectively welded four groups of water conservancy diversion in an axial direction successively by backing, described every group is led Stream is in that circumferential 20 deciles of semicircle are provided with 19 water conservancy diversion by backing, and every group of water conservancy diversion is axial between by backing respectively by backing 50 ㎜ are set to, are welded respectively on I outer surface of band material mouth inner housing at every group of water conservancy diversion heated piece axially spaced-apart centre position It is connected to that reinforcing plate in semi-circular, reinforcing plate radial height is identical by backing radial height as water conservancy diversion in its semi-circular, the semi-ring Reinforcing plate is respectively arranged with 9 arc-shaped through-holes in circumferential ten deciles 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；It is welded with tubulose feed inlet and outlet 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 direction both ends are 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 with into hot air outlet on the upper layer shell external surface of flange one end, outside the upper layer outer housing on front side of hot air outlet The outer strengthening version of 3 semi-circulars is equidistantly respectively welded on surface successively.

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 direction both ends are 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 The outer strengthening version of latter two semi-circular of going forward on the outer surface of outer housing, with upper layer shell external surface up and down distinguish by corresponding position 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 internal layer shell is set as rear end discharge port, sets up Material mouth is set as front end feed inlet.

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

Connection be integral outer casing 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.