CN207350358U - A kind of spiral heat exchange conveyer and screw conveyor shaft - Google Patents
A kind of spiral heat exchange conveyer and screw conveyor shaft Download PDFInfo
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- CN207350358U CN207350358U CN201721206406.0U CN201721206406U CN207350358U CN 207350358 U CN207350358 U CN 207350358U CN 201721206406 U CN201721206406 U CN 201721206406U CN 207350358 U CN207350358 U CN 207350358U
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- heat exchange
- screw conveyor
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Abstract
The utility model proposes a kind of screw conveyor shaft, including：Central shaft, the central shaft are hollow structure；Helical blade, the helical blade are hollow-core construction；Expansion tube, the expansion tube are sheathed on central shaft, and the helical blade is installed on expansion tube；First spindle nose, first spindle nose are hollow structure, are arranged at the first end of central shaft；Central water tube, the central water tube pass through the first spindle nose, are arranged at the inside of the first end of central shaft；Second spindle nose, second spindle nose are arranged at the second end of central shaft；Heat transferring medium enters helical blade by central water tube, then is flowed out from the first spindle nose.Above-mentioned screw conveyor shaft has the advantages that heat exchange efficiency is high, thermal deformation degree is low.The utility model also proposes a kind of including above-mentioned helical feed axial screw heat exchange conveyer.
Description
Technical field
It the utility model is related to delivery heat transfer equipment, more particularly to a kind of spiral heat exchange conveyer required to leakproofness
And it is arranged at the screw conveyor shaft on the spiral heat exchange conveyer.
Background technology
It is industrial often to have some reactor operations, it is necessary to which internal environment and external environs, realize internal thing
Material is continuous to be output to external environment condition, and material needs efficiently to realize heat exchange in a short time.Such as returned using external-heat
When rotary kiln does the processing of organic matter continuous pyrolysis, Non-oxygen pyrolytic environment inside rotary kiln and exterior aerobic environment will strictly every
Open, the carbon slag that material produces after being pyrolyzed cannot be such that extraneous air enters inside rotary kiln when discharging, the pyrocarbon slag of discharge
Quickly to be cooled down under oxygen-free environment.Existing common way has：
1st, carbon slag is cooled to by room temperature using conventional drum type lag cooler.It is interior but conventional rollers lag cooler filling rate is small
Portion's airborne dust, easily forms explosive dust atmosphere, it is necessary to be passed through nitrogen protection；And conventional rollers lag cooler roller frame, charging
Front shroud is moved with discharging hood opposing roller, it is difficult to which realization is fully sealed, easy invading air, is rolled from pyrolysis furnace discharge to tradition
Cylinder lag cooler needs to install Star-like unloader or double gate valves to prevent extraneous air from invading.And Star-like unloader is in rotating mistake
In journey or a certain amount of air can be brought into in stove, double gate valves are alternately opening valve, completely cut off the operation of internal and external environment
Journey also has a small amount of air and enters in stove.
2nd, installation is tilted using traditional water jacket heat exchange screw conveyor, controls conveying speed, it is ensured that material is arranged all the time at bottom
Fill up, completely cut off extraneous air, connected with more water jackets heat exchange screw conveyors, carbon slag is cooled down.But traditional water jacket spiral transferring
Machine is sent, coolant is flowed through in outer collet chuck layer and helical axis intermediate tube, too small with the heat exchange area of material.In addition, traditional water jacket spiral shell
The helical blade of rotation conveyer is directly welded on central shaft, and when temperature is excessive, thermal stress is larger, easily produces thermal deformation.
In conclusion how to provide a kind of heat exchange efficiency is high, thermal deformation degree is low screw conveyor shaft and spiral including this
Conveying axis and the good spiral heat exchange conveyer of sealing effect, into the technical problem of those skilled in the art's urgent need to resolve.
Utility model content
In view of this, one of problem to be solved in the utility model is how to provide a kind of heat exchange efficiency height, thermal deformation journey
Spend low screw conveyor shaft.
The two of problem to be solved in the utility model are how to provide that a kind of heat exchange efficiency is high, thermal deformation degree is low and lock gas
The spiral heat exchange conveyer of sealing.
One of to solve the above problems, the utility model proposes a kind of screw conveyor shaft, including：Central shaft, in described
Mandrel is hollow structure；Helical blade, the helical blade are hollow-core construction；Expansion tube, the expansion tube are sheathed on central shaft
On, the helical blade is installed on expansion tube；First spindle nose, first spindle nose are hollow structure, are arranged at central shaft
First end；Central water tube, the central water tube pass through the first spindle nose, are arranged at the inside of the first end of central shaft；Second spindle nose,
Second spindle nose is arranged at the second end of central shaft；Heat transferring medium enters helical blade by central water tube, then from first
Spindle nose flows out.The screw conveyor shaft of said structure includes central shaft, helical blade, expansion tube, the first spindle nose, central water tube and the
Two spindle noses, heat transferring medium when by the inside of central shaft, interval outer wall once exchanged heat, into helical blade after again into
Row secondary heat exchange, since screw conveyor shaft rotates always at work, the helical blade moment can all stir high-temperature material, heat-transfer surface
Product is spiral more much larger than commonly exchanging heat, and can realize high efficient heat exchanging.
As a kind of improvement of screw conveyor shaft of the utility model on the one hand, offered on the expansion tube and helical-blade
The corresponding groove of piece.Further, by adding expansion tube, groove corresponding with helical blade is offered on expansion tube, it is spiral
Blade is installed on expansion tube, when temperature can be avoided excessive, produces thermal deformation.
As a kind of improvement of screw conveyor shaft of the utility model on the one hand, the groove helically type structure.
As a kind of improvement of screw conveyor shaft of the utility model on the one hand, the top of the central shaft first end opens up
There is first through hole, the bottom of its second end offers the second through hole；The expansion tube is opened up with the corresponding position of first through hole
There is third through-hole, it offers fourth hole with the corresponding position of the second through hole；Heat transferring medium is by central water tube through second
Through hole and fourth hole enter helical blade, then are flowed out through first through hole and third through-hole from the first spindle nose.
For solve the above problems two, the utility model proposes a kind of spiral heat exchange conveyer, including jacket outside cylinder, institute
The first end for stating jacket outside cylinder is provided with material inlet, and the second end of the jacket outside cylinder is provided with material outlet, described spiral
Heat exchange conveyer further includes as above any one of them screw conveyor shaft, and the jacket outside cylinder is sheathed on the screw conveyor shaft
On.
As a kind of improvement of spiral heat exchange conveyer of the utility model on the one hand, the spiral heat exchange conveyer also wraps
Sealing flange is included, the first end end face and second end end face of the jacket outside cylinder are both provided with sealing flange.
As a kind of improvement of spiral heat exchange conveyer of the utility model on the one hand, the first end of the screw conveyor shaft
Swivel joint is installed, first entrance and first outlet, the first entrance and central water tube are provided with the swivel joint
Communicate, the first outlet is communicated with the first spindle nose.
As a kind of improvement of spiral heat exchange conveyer of the utility model on the one hand, the spiral heat exchange conveyer also wraps
Bearing is included, the jacket outside cylinder is tilted and is installed on bearing, and the inclination angle of the jacket outside cylinder with respect to the horizontal plane is 30 °~60 °.
As a kind of spiral heat exchange conveyer improvement on the one hand of the utility model, helical-blade on the screw conveyor shaft
Pitch of the distance of piece and material outlet at least above twice.I.e. screw conveyor shaft has a distance (to be more than apart from material outlet
Twice of pitch) helical blade is not installed.
As a kind of improvement of spiral heat exchange conveyer of the utility model on the one hand, the second end of the screw conveyor shaft
Power set are provided with, the power set pass through shaft coupling and helical feed axis connection.
As a kind of improvement of spiral heat exchange conveyer of the utility model on the one hand, the first end of the jacket outside cylinder is set
Second entrance is equipped with, its second end is provided with second outlet.
Compared with prior art, the spiral heat exchange conveyer of said structure, due to including foregoing screw conveyor shaft, spiral shell
Also there is heat transferring medium to flow through in vane piece, heat exchange area greatly increases, and efficiency improves；Helical blade is installed on expansion tube, with
The corresponding groove of helical blade can absorb the thermal deformation of thermal stress generation.Further, since the mounted angle of jacket outside cylinder for 30 °-
60 °, screw conveyor shaft has a distance (being more than twice of pitch) not install helical blade apart from material outlet, this section has thing all the time
Material filling, to realize that isolation air enters pyrolysis oven from discharge port, reaches lock gas purpose.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
Fig. 1 is the structure schematic diagram of spiral heat exchange one embodiment of conveyer of the utility model；
Fig. 2 is the sectional view of one embodiment of the utility model screw conveyor shaft.
The correspondence of reference numeral is：
1 swivel joint
2 screw conveyor shafts
3 jacket outside cylinders
4 sealing flanges
5 shaft couplings
6 decelerating motors
7 bearings
1.1 first entrance
1.2 first outlet
2.1 central water tube
2.2 first spindle noses
2.3 central shaft
2.4 expansion tube
2.5 helical blade
2.6 second spindle noses
2.7 groove
2.3.1 first through hole
2.3.2 the second through hole
2.3.3 third through-hole
2.3.4 fourth hole
3.1 material inlet
3.2 material outlet
3.3 second entrance
3.4 second outlet
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the utility model, it is to be understood that term " on ", " under ", "left", "right", " level ",
" top ", " bottom ", " interior ", " outer ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or the technical characteristic implied
Quantity.
As depicted in figs. 1 and 2, the structure for the spiral heat exchange conveyer that the utility model embodiment provides, including outside chuck
Cylinder 3, screw conveyor shaft 2, material inlet 3.1 and material outlet 3.2, material inlet 3.1 are arranged on the left end of jacket outside cylinder 3
Portion, material outlet 3.2 are arranged at the right end lower part of jacket outside cylinder 3；Screw conveyor shaft 2 specifically includes central water tube 2.1, first axle
First 2.2, central shaft 2.3, expansion tube 2.4,2.5 and second spindle nose 2.6 of helical blade, wherein, 2.3 and first spindle nose of central shaft
2.2 be hollow structure, and helical blade 2.5 is hollow-core construction, and the first spindle nose 2.2 is arranged at the left end of central shaft 2.3, the second axis
First 2.6 are arranged at the right end of central shaft 2.3, and central water tube 2.1 passes through the first spindle nose 2.2, is arranged at the left end of central shaft 2.3
Inside, expansion tube 2.4 are sheathed on central shaft 2.3, and helical blade 2.5 is installed on expansion tube 2.4, and heat transferring medium passes through center
Water pipe 2.1 enters helical blade 2.5, then is flowed out from the first spindle nose 2.2.
By above-mentioned setting, for heat transferring medium when entering the inside of central shaft 2.3 by central water tube 2.1, interval is outer
Wall is once exchanged heat, and since helical blade 2.5 is hollow-core construction, heat transferring medium enters helical blade 2.5 by central shaft 2.3
Carry out secondary heat exchange again afterwards, since screw conveyor shaft 2 rotates always at work, 2.5 moment of helical blade can all stir high temperature
Material, heat exchange area is spiral more much larger than commonly exchanging heat, and can realize high efficient heat exchanging；Meanwhile by adding expansion tube 2.4, it is spiral
Blade 2.5, which is installed on expansion tube 2.4, can alleviate thermal deformation.Preferably, helical blade 2.5 is welded on expansion tube 2.4.Need
It also can be cold media gas it is noted that above-mentioned heat transferring medium can be cooling liquid, can also be other that can carry out heat exchange
Medium.
As shown in Fig. 2, the top of 2.3 left end of central shaft offers first through hole 2.3.1, the bottom of its right end offers
Two through hole 2.3.2；Expansion tube 2.4 and the corresponding positions of first through hole 2.3.1 offer third through-hole 2.3.3, it is with second
The corresponding positions of through hole 2.3.2 offer fourth hole 2.3.4；Heat transferring medium is by central water tube 2.1 through the second through hole
2.3.2 helical blade 2.5 is entered with fourth hole 2.3.4, then through first through hole 2.3.1 and third through-hole 2.3.3 from first
Spindle nose 2.2 flows out.Arrow flow direction in Fig. 2 is that heat transferring medium flows to path.
In further technical solution, groove 2.7 corresponding with helical blade 2.5 is offered on expansion tube 2.4, this is recessed
Groove 2.7 is used for the thermal deformation for absorbing thermal stress generation.Preferably to install helical blade 2.5, the preferably helically type knot of groove 2.7
Structure.
So above-mentioned screw conveyor shaft 2 include central water tube 2.1, the first spindle nose 2.2, central shaft 2.3, expansion tube 2.4,
2.5 and second spindle nose 2.6 of helical blade, heat transferring medium is entered inside central shaft 2.3 from central water tube 2.1, through the second through hole
2.3.2 helical blade 2.5 is entered with fourth hole 2.3.4, then through first through hole 2.3.1 and third through-hole 2.3.3 along
One spindle nose 2.2 flows out, and while material is conveyed, the quick cooling of material is realized using the fully heat exchange of helical blade 2.5；And by
It is installed in helical blade 2.5 on expansion tube 2.4, reduces the generation of thermal deformation, extend the service life of component.
Meanwhile as shown in Figure 1, the spiral heat exchange conveyer in the present embodiment further includes sealing flange 4 and swivel joint 1,
Sealing flange 4 is both provided with the left end end face and right end end face of jacket outside cylinder 3, is better assured that by sealing flange spiral
The sealed environment of heat exchange conveyer, isolation air enter, and realize the non-oxidation cooling of carbon slag；First is provided with swivel joint 1
Entrance 1.1 and first outlet 1.2, first entrance 1.1 are communicated with central water tube 2.1, first outlet 1.2 and 2.2 phase of the first spindle nose
Logical, swivel joint 1 can realize that heat transferring medium enters from first entrance 1.1, be discharged from first outlet 1.2.
In addition, conveyer further includes bearing 7, shaft coupling 5 and power set it is worth mentioning that said spiral exchanges heat, press from both sides
Set outer barrel 3, which tilts, to be installed on bearing 7, and the inclination angle of jacket outside cylinder 3 with respect to the horizontal plane is 30 °~60, the pyrolytic carbon slag of high temperature
After material inlet 3.1 enters 3 inside of jacket outside cylinder, power set drive screw conveyor shaft 2 to rotate by shaft coupling 5, will
The lifting of carbon slag is discharged to material outlet 3.2.Preferably, which is decelerating motor 6.It should be noted that helical feed
Pitch of the distance at least above twice of helical blade 2.5 and material outlet 3.2 on axis 2, i.e., apart from material on screw conveyor shaft 2
Outlet 3.2 has a distance (being more than twice of pitch) not install helical blade 2.5, this section of no conveying capacity is, it is necessary to which material enters
Mouth 3.1 continually has carbon slag supplement, could overflow carbon slag from material outlet 3.2.When not supplementing, this section is all the time
There is material filling, to realize that isolation air enters pyrolysis oven from material outlet 3.2, reach the effect of lock gas.
Further, to realize the cooling of pyrolytic carbon slag more quickly, heat transferring medium has also been passed through in jacket outside cylinder 3, has been pressed from both sides
The left end of set outer barrel 3 is provided with second entrance 3.3, its right end is provided with second outlet 3.4, and heat transferring medium is from second entrance 3.3
Into second outlet 3.4 flows out.As shown in Figure 1, second entrance 3.3 is located at the left end lower part of jacket outside cylinder 3, second outlet 3.4
Positioned at the right end top of jacket outside cylinder 3.
Spiral heat exchange conveyer operation principle is specific as follows in the utility model：
During spiral heat exchange conveyer work, material (the carbon slag come out from pyrolysis oven) enters spiral shell by material inlet 3.1
Inside rotation heat exchange conveyer, heat transferring medium is entered inside hollow shaft 2.3 by first entrance 1.1 through central water tube 2.1, then is led to
Cross the second through hole 2.3.2 and fourth hole 2.3.4 is entered in helical blade 2.5, decelerating motor 6 drives spiral shell by shaft coupling 5
Rotation conveying axis 2 rotate, and material is conveyed from screw conveyor shaft 2 from left end to right end, and heat transferring medium and material co-flow, material is most
Discharged eventually by material outlet 3.2, heat transferring medium is by first through hole 2.3.1 and third through-hole 2.3.3 by 2.2 row of the first spindle nose
Go out；In addition, more preferably to realize heat transfer effect, heat transferring medium is also injected in jacket outside cylinder 3, heat transferring medium is flowed from second entrance 3.3
Enter, flowed out from second outlet 3.4, to realize the heat exchange of material and outer wall.
In conclusion the spiral heat exchange conveyer that the utility model embodiment provides includes above-mentioned screw conveyor shaft 2, due to
Above-mentioned screw conveyor shaft 2 has the effect that heat exchange efficiency is high, thermal deformation degree is low, therefore, equipped with the spiral of the screw conveyor shaft 2
Heat exchange conveyer should also possess corresponding technique effect, not repeat hereby.Simultaneously as it is additionally provided with spiral heat exchange conveyer close
Flange 4 is sealed, pitch of the distance at least above twice of helical blade 2.5 and material outlet 3.2 on screw conveyor shaft 2, outside chuck
3 mounted angle with respect to the horizontal plane of cylinder is 30 °~60 °, ensure that realization isolation Rapid cooling in the air pyrolytic carbon slag, reaches lock
Gas purpose.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (11)
- A kind of 1. screw conveyor shaft, it is characterised in that including：Central shaft (2.3), the central shaft (2.3) are hollow structure；Helical blade (2.5), the helical blade (2.5) are hollow-core construction；Expansion tube (2.4), the expansion tube (2.4) are sheathed on central shaft (2.3), and the helical blade (2.5) is installed on swollen On tube expansion (2.4)；First spindle nose (2.2), first spindle nose (2.2) is hollow structure, is arranged at the first end of central shaft (2.3)；Central water tube (2.1), the central water tube (2.1) pass through the first spindle nose (2.2), are arranged at the first of central shaft (2.3) The inside at end；Second spindle nose (2.6), second spindle nose (2.6) are arranged at the second end of central shaft (2.3)；Heat transferring medium enters helical blade (2.5) by central water tube (2.1), then is flowed out from the first spindle nose (2.2).
- 2. screw conveyor shaft according to claim 1, it is characterised in that offered on the expansion tube (2.4) with it is spiral The corresponding groove (2.7) of blade (2.5), the groove (2.7) are used for the thermal deformation for absorbing thermal stress generation.
- 3. screw conveyor shaft according to claim 2, it is characterised in that the groove (2.7) helically type structure.
- 4. screw conveyor shaft according to any one of claim 1 to 3, it is characterised in that the central shaft (2.3) first The top at end offers first through hole (2.3.1), and the bottom of its second end offers the second through hole (2.3.2)；The expansion tube (2.4) third through-hole (2.3.3) is offered with first through hole (2.3.1) corresponding position, itself and the second through hole (2.3.2) phase Corresponding position offers fourth hole (2.3.4)；Heat transferring medium by central water tube (2.1) through the second through hole (2.3.2) and Fourth hole (2.3.4) enters helical blade (2.5), then through first through hole (2.3.1) and third through-hole (2.3.3) from first Spindle nose (2.2) flows out.
- 5. a kind of spiral heat exchange conveyer, including jacket outside cylinder (3), the first end of the jacket outside cylinder (3) is provided with material and enters Mouth (3.1), the second end of the jacket outside cylinder (3) are provided with material outlet (3.2), it is characterised in that the spiral heat exchange is defeated Machine is sent to further include screw conveyor shaft (2) according to any one of claims 1 to 4, the jacket outside cylinder (3) is sheathed on spiral On conveying axis (2).
- 6. spiral heat exchange conveyer according to claim 5, it is characterised in that further include sealing flange (4), the chuck The first end end face and second end end face of outer barrel (3) are both provided with sealing flange (4).
- 7. spiral heat exchange conveyer according to claim 5, it is characterised in that the first end of the screw conveyor shaft (2) Swivel joint (1) is installed, is provided with first entrance (1.1) and first outlet (1.2) on the swivel joint (1), described One entrance (1.1) is communicated with central water tube (2.1), and the first outlet (1.2) communicates with the first spindle nose (2.2).
- 8. spiral heat exchange conveyer according to claim 5, it is characterised in that the spiral heat exchange conveyer further includes branch Seat (7), the jacket outside cylinder (3) tilt and are installed on bearing (7), and the inclination angle of the jacket outside cylinder (3) with respect to the horizontal plane is 30 °~60 °.
- 9. the spiral heat exchange conveyer according to any one of claim 5 to 8, it is characterised in that the screw conveyor shaft (2) pitch of the distance at least above twice of helical blade (2.5) and material outlet (3.2) on.
- 10. spiral heat exchange conveyer according to claim 5, it is characterised in that the second end of the screw conveyor shaft (2) Power set are provided with, the power set are connected by shaft coupling (5) with screw conveyor shaft (2).
- 11. spiral heat exchange conveyer according to claim 5, it is characterised in that the first end of the jacket outside cylinder (3) is set Second entrance (3.3) is equipped with, its second end is provided with second outlet (3.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206406.0U CN207350358U (en) | 2017-09-19 | 2017-09-19 | A kind of spiral heat exchange conveyer and screw conveyor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206406.0U CN207350358U (en) | 2017-09-19 | 2017-09-19 | A kind of spiral heat exchange conveyer and screw conveyor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207350358U true CN207350358U (en) | 2018-05-11 |
Family
ID=62410318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721206406.0U Active CN207350358U (en) | 2017-09-19 | 2017-09-19 | A kind of spiral heat exchange conveyer and screw conveyor shaft |
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| Country | Link |
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| CN (1) | CN207350358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543197A (en) * | 2017-09-19 | 2018-01-05 | 湖南万容科技股份有限公司 | A kind of spiral heat exchange conveyer and screw conveyor shaft |
| CN110142020A (en) * | 2019-06-05 | 2019-08-20 | 广西大学 | A kind of reaction kettle for solid waste hydro-thermal process |
-
2017
- 2017-09-19 CN CN201721206406.0U patent/CN207350358U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543197A (en) * | 2017-09-19 | 2018-01-05 | 湖南万容科技股份有限公司 | A kind of spiral heat exchange conveyer and screw conveyor shaft |
| CN110142020A (en) * | 2019-06-05 | 2019-08-20 | 广西大学 | A kind of reaction kettle for solid waste hydro-thermal process |
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