CN208920901U - A kind of cooler for cooling solid particle - Google Patents
A kind of cooler for cooling solid particle Download PDFInfo
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- CN208920901U CN208920901U CN201821227476.9U CN201821227476U CN208920901U CN 208920901 U CN208920901 U CN 208920901U CN 201821227476 U CN201821227476 U CN 201821227476U CN 208920901 U CN208920901 U CN 208920901U
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Abstract
The utility model discloses a kind of coolers for cooling solid particle, belong to chemical plant installations technical field.A kind of cooler for cooling solid particle of the utility model, including shell and it is assemblied in the intracorporal multiple tube bundle assemblies of shell；Shell upper end is equipped with exhaust outlet, feed inlet, and shell lower end is equipped with discharge port, and tube bundle assembly includes the bushing type header for being assemblied in shell upper section, and bushing type header is connected with several beam heat exchange tube units extended downwardly；Bushing type header includes the outer header for being assemblied in shell upper section and the interior header being set in outer header, and interior header is equipped with inlet, which is pierced by after being pierced by outer header from shell；The outer header is equipped with vapour-liquid mouth, should go out vapour-liquid mouth and be pierced by from shell；Heat exchange tube unit includes outer tube and the inner sleeve that is inserted in outer tube, and inner sleeve upper end is connected after penetrating outer header with interior header, and outer sleeve upper is connected with outer header.The utility model can be used in cooling solid particle, and heat exchange efficiency is high.
Description
Technical field
The utility model relates to a kind of cooler, especially a kind of cooler for cooling solid particle belongs to chemical industry
Engineering device technique field.
Background technique
The problem of cooling always chemical industry, coal chemical industry, metallurgical industry etc. the industries of solid particle.Some solid particle temperature are very
Height, and particle is thin, it cannot be cooling with the mode of water spray, cooling is got up relatively difficult.Such as the coal gasifier discharge of dry ash extraction
Slag temperature be up to 1100 DEG C, fine ash partial size is down to tens microns；600 DEG C of temperature of product semi-coke (breeze) of pyrolysis of coal, partial size
Less than 800 microns.
Therefore it needs to design a kind of cooler that can be used in cooling solid particle extremely urgent.
Summary of the invention
The goal of the invention of the utility model is: in view of the above problems, providing a kind of for cooling solid particle
Cooler, the utility model being capable of cooling solid particle.
The technical solution adopted in the utility model is as follows:
A kind of cooler for cooling solid particle, including shell and it is assemblied in the intracorporal multiple tube bundle assemblies of shell；Institute
Shell upper end is stated equipped with exhaust outlet and for the feed inlet of solid particle charging, shell lower end is equipped with to discharge for solid particle
Discharge port, tube bundle assembly is between feed inlet and discharge port；The tube bundle assembly includes the casing for being assemblied in shell upper section
Formula header, bushing type header are connected with several beam heat exchange tube units extended downwardly；Described sleeve pipe formula header includes being assemblied in shell
The outer header of body upper section and the interior header being set in outer header, the interior header are equipped with inlet, which is pierced by outer
It is pierced by after header from shell；The outer header is equipped with vapour-liquid mouth, should go out vapour-liquid mouth and be pierced by from shell；The heat exchange tube unit
Including outer tube and the inner sleeve being inserted in outer tube, the outer tube lower end is cecum, and inner sleeve lower end is inserted into housing
Pipe lower end is simultaneously connected with outer tube；Inner sleeve upper end is connected after penetrating outer header with interior header, outer sleeve upper and outer collection
Case is connected.
When using the utility model, the solid particle of high temperature enters in shell from feed inlet, under the effect of gravity,
Solid particle moves downward in the gap in shell between each tube bundle assembly, at the same with the saturation pan that circulates in tube bundle assembly
Furnace water carries out heat exchange, and solid particle temperature is discharged after reducing from discharge port, and the gas that solid particle is mingled with is arranged from exhaust outlet
Out.Meanwhile for tube bundle assembly, after saturation boiler water is from inlet into interior header, it is diverted into every and the interior header
In the inner sleeve being connected, to lower flowing in inner sleeve, turn back upwards after then flowing into outer tube lower end from inner sleeve lower end,
Then the annular space between outer tube and inner sleeve flows up into outer header and (in the process, is saturated boiler water and housing
Solid particle counterflow heat exchange outside pipe is simultaneously vaporized), the gas-vapor mix formed after heat exchange flows through between outer header and interior header
Annular space from vapour-liquid mouth out flow out.The cooler of the utility model can be used in cooling solid particle.Traditional heat exchange equipment is all
The design using tube sheet is needed, and the cooler of the utility model does not use tube sheet, this is not thermally expanded to caused stress, this
Utility model uses support of the bushing type header as heat exchange tube unit, and equipment is easy to enlarged, bushing type header relative to
For tube sheet, the class requirement of material is low, reduces the manufacturing expense of cooler, good economy performance.And it is practical new to have benefited from this
The design of type tube bundle assembly, additionally it is possible to reduce solid phase space stringing dead zone and be improved to increase heat exchange area per unit volume
Heat exchange efficiency.
A kind of cooler for cooling solid particle of the utility model, the box top Wai Ji are equipped with for protecting
The baffler of outer header directly falls in the box top Wai Ji with to avoid the solid particle from feed inlet, and the baffler is inverted V shaped
And it is axially distributed along outer header.In the process of running, if the not design of baffler, the box top Wai Ji will directly bear to come from
The high-temperature solid particle of feed inlet, so that outer header is easy to be worn and hot soak condition；And use baffler
When design so that from feed inlet enter high-temperature solid particle by baffler change flow to, solid particle from outer header laterally along
Outer tube flows downward；This just reduces or even avoids the abrasion of outer header, reduces the calorific intensity that outer header is born, thus
Improve the service life of cooler.
Further, it is also equipped with cooling air distribution pipe in the shell, which is pierced by shell
Body is as distribution pipe air inlet；The baffler is equipped with the cooling tube being axially distributed along baffler, and the cooling tube passes through first
Branched pipe is connected with cooling air distribution pipe, and cooling tube is equipped with cooling tube exhaust outlet；In the feed inlet insertion shell, and it is located at
The intracorporal feed inlet of shell is wound with cooling coil, and the cooling coil is connected by second branched pipe with distribution pipe, cooler pan
Pipe is equipped with cooling coil exhaust outlet.The design of cooling tube circulates so that falling into the high-temperature solid particle and cooling tube of baffler
Cooling air carried out heat exchange, this reduces the high-temperature solid particle temperature for flowing to tube bundle assembly, improve cooler
The high temperature scope of application.It is logical from distribution pipe air inlet for cooling air for the heat transfer process of cooling air distribution pipe and cooling tube
Enter cooling air, after cooling air enters distribution pipe, is diverted into every first branched pipe, into corresponding cooling tube, cooling air and height
Warm solid particle is discharged in shell after carrying out heat exchange (temperature that cooling air cooling reduces solid particle) from cooling tube exhaust outlet,
Finally it is discharged from the exhaust outlet of shell upper end.The design of cooling coil just cools down high-temperature solid particle from feed inlet, from
And improve the high temperature scope of application of cooler.For cooling air for the heat transfer process of cooling air distribution pipe and cooling coil,
After cooling air enters distribution pipe, it is diverted into second branched pipe, into cooling coil, cooling air and high-temperature solid particle carry out hot friendship
It is discharged in shell after changing (temperature that cooling air cooling reduces solid particle) from cooling coil exhaust outlet, finally from shell upper end
Exhaust outlet discharge.
Further, be equipped with baffler protective layer at the top of the baffler, the baffler protective layer cover baffler with it is cold
But it manages；The feed inlet inner wall is equipped with feed inlet lining.Preferably, feed inlet lining and baffler protective layer are all wear-resisting resistance to
Hot material is made, and can be avoided the abrasion of feed inlet, baffler and cooling tube, reduces feed inlet, baffler and cooling tube
The calorific intensity of receiving；Improve the service life of the cooler of the utility model.
A kind of cooler for cooling solid particle of the utility model, the circumferencial direction of the inner walls are equipped with cold
But ring cavity, the cooling ring cavity are communicated with the ring cavity import for being pierced by shell and ring cavity outlet close to outer header bottom, cooling ring cavity.It adopts
When with the design for cooling down ring cavity, it is passed through cooling air from ring cavity import, cooling air-flow is exported from ring cavity after cooling ring cavity and is discharged；From
Solid particle under cooling ring cavity passes into others' hands has carried out heat exchange with cooling air, so that solid particle is cooled down, to improve cooler
The high temperature scope of application.
A kind of cooler for cooling solid particle of the utility model, the housing exterior walls are equipped with multiple loosening ports
With multiple cooling air ports, loosens port and correspond to heat exchange tube unit, cooling air port corresponds between heat exchange tube unit and discharge port.
When using the design for loosening port and cooling air port, when solid particle flows through heat exchange unit, from the cooling for loosening port and being passed through
Gas can be avoided solid particle blockage phenomenon between each beam heat exchange unit, guarantee that solid particle smoothly flows downward, also
It can play the role of further cooling solid particle, solid particle is enable smoothly to flow through heat exchange unit；Heat exchange unit institute
Region be known as wall-type heat exchange area.When solid particle is flow between heat exchange unit and discharge port, from cooling wind
The cooling air that is passed through of mouth being capable of further cooling solid particle after mixing with solid particle, moreover it is possible to loosen solid particle, favorably
It is discharged in solid particle from discharge port；Region between heat exchange tube unit and discharge port is known as medium mixed heat transfer area.From loosening
Upper ease is discharged from exhaust outlet after the cooling air heat exchange that port and cooling air port enter.
A kind of cooler for cooling solid particle of the utility model, the heat exchange tube unit further include several and change
Hot leg pipe, the heat exchange branch pipe are located on the outside of outer tube, are distributed along outer tube axis, the upper and lower side for the branch pipe that exchanges heat respectively with housing
The upper and lower side of pipe is connected.Heat exchange branch pipe and outer tube form parallel structure, by the design for the branch pipe that exchanges heat, are saturated boiler
Water flows into behind outer tube lower end from inner sleeve lower end will generate shunting when turning back upwards, a portion is saturated boiler water along housing
Annular space between pipe and inner sleeve flows up；And another part saturation boiler water flows up in heat exchange branch pipe, two parts
Saturation boiler water after the upper end of outer tube crosses enter outer header.The design of heat exchange branch pipe has shunted saturation boiler water, outside
The diameter of casing can be reduced, and the stringing of unit volume can be more, and the design is capable of increasing the heat exchange in unit volume
Area improves heat exchange efficiency.
Further, the heat exchange tube unit further includes multiple extended surface elements, the extended surface element be set to outer tube or/and
Exchange heat branch pipe outer wall.It can reduce the abrasion of heat exchange tube unit (outer tube or/and heat exchange branch pipe)；It can also further increase and change
Heat area improves heat exchange efficiency.Preferably, outer tube and heat exchange branch pipe outer wall are designed with extended surface element.
The cecum of a kind of cooler for cooling solid particle of the utility model, each outer tube passes through connecting plate phase
Company forms overall structure.(cecum of each outer tube in other words lower end) lower end passes through connecting plate phase so that each beam heat exchange tube unit
Company forms overall structure, can reduce the vibration of heat exchange tube unit, improve the service life of cooler.
A kind of cooler for cooling solid particle of the utility model, the inner walls are equipped with shell inside liner.It can
Selective, shell inside liner is divided into two layers, that layer for being close to inner walls is first shell inside liner, another layer is in second shell
Lining, wherein first shell inside liner is thermal insulation layer, second shell inside liner is wearing layer, primarily serves wear-resisting and heat-insulated effect；
To improve the service life of cooler and play heat-insulated effect.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, a kind of cooler for cooling solid particle of the utility model, can be used in cooling solid particle, heat exchange
High-efficient, the utility model uses the design without tube sheet, but uses support of the bushing type header as heat exchange tube unit,
Equipment is easy to enlargement, and for bushing type header for tube sheet, the class requirement of material is low, reduces the manufacture of waste heat boiler
Expense, good economy performance.
2, the design of baffler reduces the abrasion for even avoiding outer header, reduces the calorific intensity that outer header is born,
To improve the service life of cooler.
3, the design of cooling air distribution pipe, cooling tube and cooling coil can cool down high-temperature solid particle, thus
Improve the high temperature scope of application of cooler.
4, the design of cooling ring cavity, can cool down high-temperature solid particle, so that the high temperature for improving cooler is applicable in
Range.
5, the design for loosening port and cooling air port can loosen solid particle, guarantee that solid particle smoothly flows downward
Discharge port is discharged, and plays the role of further cooling solid particle.
6, the design of heat exchange branch pipe is realized saturation boiler moisture stream-confluence liquid form, is increased in unit volume
Heat exchange area improves heat exchange efficiency,.
7, the design of extended surface element can reduce the abrasion of exchange heat pipe unit；Heat exchange area can also be further increased,
Improve heat exchange efficiency.
8, the design of connecting plate can reduce the vibration of heat exchange tube unit, improve the service life of cooler.
Detailed description of the invention
Fig. 1 is the front view of the cooler of the utility model;
Fig. 2 is the partial schematic diagram of upper section in Fig. 1;
Fig. 3 is the enlarged diagram in Fig. 2 at A
Fig. 4 is the side view of the cooler of the utility model;
Fig. 5 is the partial schematic diagram of upper section in Fig. 4;
Fig. 6 is that the first branched pipe is connected and the structural schematic diagram of baffler with cooling tube；
Fig. 7 is the side view of Fig. 6；
Fig. 8 is tube bundle assembly in the intracorporal layout of shell;
Fig. 9 is a kind of structural schematic diagram of tube bundle assembly；
Figure 10 is enlarged drawing at the B of Fig. 9；
Figure 11 is the top view of two adjacent heat exchange tube units of the first form；
Figure 12 is the top view of two adjacent heat exchange tube units of second of form
Figure 13 is the top view of two adjacent heat exchange tube units of the third form.
Marked in the figure: 1- lower head, 11- discharge port, 12- cooling air port, 2- cylinder, 21- loosen port, 22- support,
The cooling ring cavity of 23- damping shock absorption part, 24-, the import of 241- ring cavity, the outlet of 242- ring cavity, 3- upper cover, 31- feed inlet, 32- into
Material mouth lining, 33- exhaust outlet, 4- shell inside liner, 41- first shell inside liner, 42- second shell inside liner, 5- tube bundle assembly, 511-
In inlet, 512- header, 513- inner sleeve, 521- go out the outer header of vapour-liquid mouth, 522-, 523- outer tube, 524- heat exchange branch pipe,
53- channel closure, 54- connecting plate, 55- extended surface element, 6- manhole, 7- cooling air distribution pipe, the first branched pipe of 71-, 72- second divide
Branch pipe, 73- distribution pipe air inlet, 8- baffler, 81- cooling tube, 82- cooling tube exhaust outlet, 83- baffler protective layer, 9- are cold
But coil pipe, 91- cooling coil exhaust outlet.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in figure 1 to figure 13, a kind of cooler for cooling solid particle of the present embodiment, including shell and assembly
In the intracorporal multiple tube bundle assemblies 5 of shell；The shell upper end is equipped with exhaust outlet 33 and the feed inlet for solid particle charging
31, shell lower end is equipped with the discharge port 11 for solid particle discharging, tube bundle assembly 5 be located at feed inlet 31 and discharge port 11 it
Between；The tube bundle assembly 5 includes being assemblied in the bushing type header of shell upper section, bushing type header be connected with extend downwardly it is several
Beam heat exchange tube unit；Described sleeve pipe formula header includes being assemblied in the outer header 522 of shell upper section and being set in outer header 522
Interior header 512, the interior header 512 are equipped with inlet 511, which is pierced by after being pierced by outer header 522 from shell；
The outer header 522 is equipped with vapour-liquid mouth 521, should go out vapour-liquid mouth 521 and be pierced by from shell；The heat exchange tube unit includes housing
Pipe 523 and the inner sleeve 513 being inserted in outer tube 523,523 lower end of outer tube are cecum, the insertion of 513 lower end of inner sleeve
It is connected to 523 lower end of outer tube and with outer tube 523；513 upper end of inner sleeve penetrate after outer header 522 with interior 512 phase of header
Connection, 523 upper end of outer tube is connected with outer header 522.
When using the utility model, the solid particle of high temperature enters in shell from feed inlet 31, in the effect of self gravity
Under, solid particle moves downward in the gap in shell between each tube bundle assembly 5, while with circulate in tube bundle assembly 5
Be saturated boiler water carry out heat exchange, solid particle temperature reduce after from discharge port 11 be discharged, and the gas that solid particle is mingled with from
Exhaust outlet 33 is discharged.Meanwhile for tube bundle assembly 5, the saturation boiler water from relevant device (such as drum) is from feed liquor
After mouth 511 enters interior header 512, it is diverted into the inner sleeve 513 that every is connected with the interior header 512, in inner sleeve 513
It flows downward, turns back upwards after then flowing into 523 lower end of outer tube from 513 lower end of inner sleeve, then along outer tube 523 and inner sleeve
Annular space between pipe 513 flows up into outer header 522(in the process, the solid outside saturation boiler water and outer tube 523
Particle counterflow heat exchange is simultaneously vaporized；Solid particle can be down to 50 DEG C of saturated water temperature or more), the steam mixing formed after heat exchange
Logistics flows out to relevant device (such as drum) from vapour-liquid mouth 521 out through the annular space between outer header 522 and interior header 512 and carries out
Steam-water separation.The cooler of the utility model can be used in cooling solid particle.Traditional heat exchange equipment is required using tube sheet
Design, and the cooler of the utility model does not use tube sheet, this is not thermally expanded to caused stress, and the utility model uses
Support of the bushing type header as heat exchange tube unit, equipment are easy to enlargement, and bushing type header is for tube sheet, material
Class require it is low, reduce the manufacturing expense of cooler, good economy performance.And have benefited from setting for the utility model tube bundle assembly
Meter, additionally it is possible to reduce solid phase space stringing dead zone to increase heat exchange area per unit volume and improve heat exchange efficiency.
Alternative, 523 lower end of outer tube is equipped with channel closure 53 and forms the cecum.It is alternative, such as Fig. 8
It is shown, positioned at the intracorporal multiple tube bundle assemblies 5 of shell equally and row pattern be distributed (in one embodiment, bushing type collection
Case is in not contour distribution, as shown in Figure 5), and be adapted with shell, the length of the bushing type header of each tube bundle assembly 5 is not
Identical to the greatest extent, the quantity for the heat exchange tube unit that each bushing type header is connected also is not quite similar；It can certainly be equidistant
Annular shape distribution.As shown in Figure 1 and Figure 4, alternative, the shell includes cylinder 2 and set on the upper of 2 upper and lower ends of cylinder
End socket 3 and lower head 1(are preferably, upper cover 3 is ellipse head, lower head 1 is conical head), the discharge port 11 is set to
1 bottom of lower head, exhaust outlet 33 is certain set on upper cover 3(with feed inlet 31, and exhaust outlet 33 and feed inlet 31 can also be set to cylinder
2 upper sections), bushing type header is located at 2 upper section of cylinder, heat exchange tube unit extends to 2 lower section of cylinder.Preferably, inlet 511 with
Vapour-liquid mouth 521 is pierced by from 2 upper section of cylinder out；Certainly, inlet 511 can also be pierced by with vapour-liquid mouth 521 out from upper cover 3.It can
Selective, the upper section and lower section of shell are respectively equipped with manhole 6；Preferably, manhole 6 has 2, one of manhole 6 is set to
Upper cover 3(can certainly be set to 2 upper section of cylinder), be located at the top of tube bundle assembly 5, another manhole 6 is set to lower head 1(and works as
So can also be set to 2 lower section of cylinder), be located at below tube bundle assembly 5.Alternative, outer header 522 is assemblied in by support 22
It (preferably, is assemblied on 2 inner wall of cylinder) in inner walls；Preferably, outer header 522 and support 22 and between be equipped with damping
Shock absorber part 23；To buffer the vibration of tube bundle assembly 5 in operational process.Solid is used as it will be evident that having between each tube bundle assembly 5
The gap of particle circulation between each bushing type header and between each heat exchange unit (that is, have as solid particle circulation
Gap)；It will be evident that outer header 522 is not connected to the intracorporal cavity of shell, interior header 512 does not also connect directly with outer header 522
Logical, interior header 512 with outer header 522 is connected by heat exchange unit.
Further optimization based on the present embodiment, it is in another embodiment, described shown in as shown in Figure 1, Figure 2, Fig. 4 to Fig. 7
The baffler 8 for protecting outer header is equipped at the top of outer header 522, with direct to avoid the solid particle from feed inlet 31
Outer 522 top of header is fallen in, the baffler 8 is inverted V shaped and along the axial distribution of outer header 522.In the process of running, if do not had
The design of baffler 8, outer 522 top of header will directly bear the high-temperature solid particle from feed inlet 31, so that outer header 522
It is easy to be worn and hot soak condition；And when using the design of baffler 8, so that the height entered from feed inlet 31
Warm solid particle is changed by baffler 55 to be flowed to, and solid particle flows downward from outer header 522 laterally along outer tube；This is just reduced
The abrasion for even avoiding outer header 522, reduces the calorific intensity that outer header 522 is born, to improve making for cooler
Use the service life.It can be and be designed with baffler 8 at the top of all outer headers 522, be also possible to only directly bear the outer collection of solid particle
522 top of case is just equipped with baffler 8.It is alternative, wherein in an embodiment, for being equipped with the outer header 522 of baffler 8,
The baffler 8 is located at the inlet 511 of the bushing type header and out between vapour-liquid mouth 521.
Further, in another embodiment, as shown in Figures 1 to 7, cooling air distribution pipe is also equipped in the shell
7, which is pierced by shell as distribution pipe air inlet 73；The baffler 8 is equipped with along baffler 8
The cooling tube 81 being axially distributed, the cooling tube 81 are connected by the first branched pipe 71 with cooling air distribution pipe 7, cooling tube 81
Equipped with cooling tube exhaust outlet 82；The feed inlet 31 is inserted into shell, and is located at the intracorporal feed inlet 31 of shell and is wound with cooler pan
Pipe 9, the cooling coil 9 are connected by second branched pipe 72 with distribution pipe 7, and cooling coil 9 is equipped with cooling coil exhaust outlet
91.The design of cooling tube 81 carries out so that falling the cooling air to circulate into the high-temperature solid particle and cooling tube 81 of baffler 8
Heat exchange, this reduces the high-temperature solid particle temperature for flowing to tube bundle assembly 5, improve the high temperature scope of application of cooler.
For cooling air for the heat transfer process of cooling air distribution pipe 7 and cooling tube 81, it is passed through cooling air from distribution pipe air inlet 73,
After cooling air enters distribution pipe 7, it is diverted into every first branched pipe 71, into corresponding cooling tube 81, cooling air and high temperature are solid
Body particle is discharged in shell after carrying out heat exchange (temperature that cooling air cooling reduces solid particle) from cooling tube exhaust outlet 82, most
It is discharged afterwards from the exhaust outlet 33 of shell upper end.Alternative, 7 one end of cooling air distribution pipe is pierced by shell as distribution pipe air inlet
Mouth 73,7 other end of cooling air distribution pipe is fixed in inner walls；It is of course also possible to be, 7 both ends of cooling air distribution pipe are all worn
Shell is as distribution pipe air inlet 73 out.Alternative, the first branched pipe 71 is connected to the non-end position of cooling tube 81, cold
But pipe exhaust outlet 82 is set to the both ends of cooling tube 81；It is of course also possible to be, the first branched pipe 71 is connected to cooling tube 81 1
End, cooling tube exhaust outlet 82 are set to 81 other end of cooling tube.In one embodiment, the inverted V-shaped structure of baffler 8 is by cooling down
Pipe 81 and the wing plate for being set to 81 two sides of cooling tube are constituted.The design of cooling coil 9, from feed inlet 31 just to high-temp solid
Grain is cooled down, to improve the high temperature scope of application of cooler.For cooling air in cooling air distribution pipe 7 and cooling coil 9
Heat transfer process for, after cooling air enters distribution pipe 7, be diverted into second branched pipe 72, into cooling coil 9, cooling air with
High-temperature solid particle is discharged to after carrying out heat exchange (temperature that cooling air cooling reduces solid particle) from cooling coil exhaust outlet 91
In shell, finally it is discharged from the exhaust outlet 33 of shell upper end.Preferably, 9 one end of cooling coil by second branched pipe 72 with
Distribution pipe 7 is connected, and cooling coil exhaust outlet 91 is set to 9 other end of cooling coil.Preferably, cooling air distribution pipe 7 first
Feed inlet 31 is avoided in the position of branched pipe 71 and second branched pipe 72, falls on influence to avoid high-temperature solid particle and uses the longevity
Life.Alternative, cooling coil 9 is only wound in the outer wall positioned at the intracorporal feed inlet 31 of shell；Certainly, cooling coil 9 may be used also
To be wound in 31 inner wall of feed inlet；Or both combine it.Cooling air distribution pipe 7, cooling tube 81 are with cooling coil 9 as optional
The design selected.In one embodiment, the solid particle temperature entered from feed inlet 31 is higher than 800 DEG C, which uses
The design of cooling air distribution pipe 7, cooling tube 81 and cooling coil 9.And in another embodiment, consolidate from what feed inlet 31 entered
Body particle temperature is not higher than 800 DEG C, which does not use the design of cooling air distribution pipe 7, cooling tube 81 and cooling coil 9；
It is of course also possible to use the design of cooling air distribution pipe 7, cooling tube 81 and cooling coil 9.
Further, in another embodiment, as shown in figure 1 to figure 13, baffler is equipped at the top of the baffler 8 to protect
Layer 83, the baffler protective layer 83 cover baffler 8 and cooling tube 81；31 inner wall of feed inlet is equipped with feed inlet lining 32.
Preferably, feed inlet lining 32 and baffler protective layer 83 are all made of wear heat-resistant material, feed inlet 31, folding can be avoided
The abrasion of device 8 and cooling tube 81 is flowed, the calorific intensity that feed inlet 31, baffler 8 and cooling tube 81 are born is reduced；Improve this reality
With the service life of novel cooler.
Further optimization based on the present embodiment, in another embodiment, as depicted in figs. 1 and 2, the inner walls
Circumferencial direction be equipped with cooling ring cavity 24, for the cooling ring cavity 24 close to outer 522 bottom of header, cooling ring cavity 24, which is communicated with, is pierced by shell
The ring cavity import 241 of body and ring cavity outlet 242.When using the design for cooling down ring cavity 24, it is passed through cooling air from ring cavity import 241,
Cooling air-flow is after cooling ring cavity 24 from 242 discharge of ring cavity outlet；From the solid particle and cooling air cooled down under ring cavity 24 passes into others' hands
Heat exchange has been carried out, solid particle is made to be cooled down, to improve the high temperature scope of application of cooler.Subtract in conjunction with support 22 with damping
When shaking the design of part 23, cooling ring cavity 24 forms the support with refrigerating function between support 22 and damping shock absorption part 23
Damping holder structure.Preferably, ring cavity import 241 and ring cavity outlet 242 are remote distribution.It is alternative, cooling ring cavity
24 are formed such that cooling ring cavity 24 includes upper arc plate and lower arc plate, and upper arc plate and lower arc plate inner edge pass through cylinder
Section sealing, upper arc plate and lower arc plate outer rim are sealed by inner walls (2 inner wall of cylinder), and which forms the cooling rings
Chamber 24, and ring cavity import 241 is set to housing exterior walls with ring cavity outlet 242 and is connected to cooling ring cavity 24.Cooling ring cavity 24 is as optional
The design selected.In one embodiment, the solid particle temperature entered from feed inlet 31 is higher than 800 DEG C, which uses
The design of cooling ring cavity 24.And in another embodiment, the solid particle temperature entered from feed inlet 31 is not higher than 800 DEG C,
The embodiment does not use the design of cooling ring cavity 24；It is of course also possible to use the design of cooling ring cavity 24.
Further optimization based on the present embodiment, in another embodiment, as shown in Figure 1 and Figure 4, the housing exterior walls
Equipped with multiple loosening ports 21 and multiple cooling air ports 12, loosens port 21 and correspond to heat exchange tube unit, cooling air port 12 is corresponding
Between heat exchange tube unit and discharge port 11.When using the design for loosening port 21 and cooling air port 12, flowed through in solid particle
When heat exchange unit, the cooling air being passed through from loosening port 21 can be avoided solid particle and block between each beam heat exchange unit
Phenomenon guarantees that solid particle smoothly flows downward, moreover it is possible to play the role of further cooling solid particle, enable solid particle
It is enough smoothly to flow through heat exchange unit；Heat exchange area where heat exchange unit is known as wall-type heat exchange area.Solid particle flow to heat exchange
When between unit and discharge port 11, the cooling air being passed through from cooling air port 12 can be into one after mixing with solid particle
The cooling solid particle of step, moreover it is possible to loosen solid particle, be conducive to solid particle and be discharged from discharge port 11；Heat exchange tube unit with go out
Heat exchange area between material mouth 11 is known as medium mixed heat transfer area.It is changed from the cooling air that port 21 enters with cooling air port 12 is loosened
Upper ease is discharged from exhaust outlet 33 after heat, can also there is the case where cooling air after part exchanges heat is discharged from discharge port 11 certainly.With
When cylinder 2, the design of lower head 1 combine, loosens port 21 and be set to 2 outer wall of cylinder, cooling air port 12 is set to 1 outer wall of lower head.
Further optimization based on the present embodiment, in another embodiment, as shown in Figure 9 and Figure 10, the heat exchanger tube
Unit further includes several heat exchange branch pipes 524, and the heat exchange branch pipe 524 is located at 523 outside of outer tube, along 523 axis of outer tube
The upper and lower side of distribution, heat exchange branch pipe 524 is connected with the upper and lower side of outer tube 523 respectively.Exchange heat branch pipe 524 and outer tube 523
Parallel structure is formd, by the design for the branch pipe 524 that exchanges heat, saturation boiler water flows into outer tube 523 from 513 lower end of inner sleeve
Shunting will be generated when turning back upwards behind lower end, a portion is saturated ring of the boiler water between outer tube 523 and inner sleeve 513
Gap flows up；And another part saturation boiler water flows up in heat exchange branch pipe 524, two-part saturation boiler water is outside
The upper end of casing 523 enters outer header 522 after crossing.The design of heat exchange branch pipe 524 has shunted saturation boiler water, outer tube 523
Diameter can be reduced, the stringing of unit volume can be more, and the design is capable of increasing the heat exchange area in unit volume,
Improve heat exchange efficiency.Certainly, heat exchange 524 upper end of branch pipe can not also be connected with 523 upper end of outer tube, but the branch pipe that exchanges heat
524 upper ends are directly connected with outer header 522, but this adds increased manufacture difficulty, not preferred plan.
Further, in another embodiment, as shown in Fig. 9 to Figure 13, the heat exchange tube unit further includes multiple extended surfaces
Element 55, the extended surface element 55 are set to outer tube 523 or/and heat exchange 524 outer wall of branch pipe.It is (outer to can reduce heat exchange tube unit
Casing 523 or/and heat exchange branch pipe 524) abrasion；Heat exchange area can also be further increased, heat exchange efficiency is improved；Extended surface element
55 are preferably made of thermally conductive wear-resisting material.Preferably, outer tube 523 and heat exchange 524 outer wall of branch pipe are designed with extended surface member
Part 55；It can certainly be that only extended surface element 55 is arranged in outer tube 523 or heat exchange 524 outer wall of branch pipe.It is alternative, it is described
Extended surface element 55 is fin or ailhead；Preferably, fin is in odontoid or rectangular-shaped, and ailhead is in rounded shape, elliptical shape or water chestnut
Shape.In one embodiment, the extended surface element 55 of 523 outer wall of outer tube setting is ailhead, heat exchange 524 outer wall of branch pipe setting
Extended surface element 55 be fin.
Further optimization based on the present embodiment, in another embodiment, as shown in Figure 9 and Figure 10, each outer tube
523 cecum is connected to form overall structure by connecting plate 54.So that each beam heat exchange tube unit (cecum of each outer tube 523
Lower end in other words) lower end is connected to form overall structure by connecting plate 54, and the vibration of heat exchange tube unit can be reduced, cooling is improved
The service life of device.Based on channel closure 53 and 54 Combination Design of connecting plate, connecting plate 54 is assemblied in channel closure 53(outer tube 523
Cecum) bottom, to connect each channel closure 53.
Further optimization based on the present embodiment, it is in another embodiment, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, described
Inner walls are equipped with shell inside liner 4.Alternative, it is two layers that shell inside liner 4, which divides, that layer for being close to inner walls is first
Shell inside liner 41, another layer are second shell inside liner 42, wherein first shell inside liner 41 is thermal insulation layer, second shell inside liner 42
For wearing layer, wear-resisting and heat-insulated effect is primarily served；To improve the service life of cooler and play heat-insulated effect；When
So it is also possible to first shell inside liner 41 and is set in the housing wall set on housing exterior walls, second shell inside liner 42.With lower head 1, cylinder
When the design of body 2, upper cover 3 and manhole 6 combines, lower head 1, cylinder 2, upper cover 3 and 6 inner wall of manhole are both provided with
The shell inside liner 4.
Based on the design of above-mentioned technical characteristic combination, the utility model proposes the heat exchange branch pipe 524 of three kinds of forms arrangements
The embodiment of figure.
The embodiment of the first form: the heat exchange branch pipe 524 outside the outer tube 523 is distributed in regular quadrangle shape.?
Wherein in an embodiment, the heat exchange branch pipe 524 of every 523 loong shunt of outer tube have 4 (as the design of adaptability, close to shell
The heat exchange branch pipe 524 of 2 inner wall of body cylinder is reduced), the distribution of regular quadrangle shape is formed, as shown in figure 11；The first form
It is particularly suitable for the cooler of production DN < 2500mm.
The embodiment of second of form: the heat exchange branch pipe 524 outside the outer tube 523 is distributed in regular hexagon shape.?
Wherein in an embodiment, the heat exchange branch pipe 524 of every 523 loong shunt of outer tube have 6 (as the design of adaptability, close to shell
The heat exchange branch pipe 524 of 2 inner wall of body cylinder is reduced), the distribution of regular hexagon shape is formed, as shown in figure 12.Second of form
It is particularly suitable for the cooler of production 2500mm≤DN < 4000mm.
The embodiment of the third form: the heat exchange branch pipe 524 outside the outer tube 523 is located in inside and outside two circles distribution
The heat exchange branch pipe 524 of inner ring and the spacing of outer tube 523 are less than the spacing of the heat exchange branch pipe 524 and outer tube 523 positioned at outer ring.
The layout type for optimizing heat exchange branch pipe 524, can further improve heat exchange efficiency.Further, positioned at the heat exchange of inner ring
The distribution in rounded shape of branch pipe 524, the heat exchange branch pipe 524 positioned at outer ring are distributed in regular hexagon shape.In one embodiment, often
The heat exchange branch pipe 524 of 523 loong shunt of root outer tube has 30, wherein has 12 formation round positioned at the heat exchange branch pipe 524 of inner ring
The distribution of shape, the heat exchange branch pipe 524 positioned at outer ring have the distribution of 18 formation regular hexagon shapes (as the design of adaptability, to lean on
The heat exchange branch pipe 524 of 2 inner wall of nearly housing cylinder is reduced), as shown in figure 13.It is of course also possible to be: the heat exchange branch pipe of two circles
524 distributions or the distribution of regular hexagon shape all in rounded shape.The third form is particularly suitable for the cooler of production DN >=4000mm.
In conclusion using a kind of cooler for cooling solid particle of the utility model, the one of the utility model
Kind is used for the cooler of cooling solid particle, can be used in cooling solid particle, and heat exchange efficiency is high, and the utility model uses nothing
The design of tube sheet, but support of the bushing type header as heat exchange tube unit is used, equipment is easy to enlargement, bushing type header
For tube sheet, the class requirement of material is low, reduces the manufacturing expense of waste heat boiler, good economy performance.Baffler is set
Meter reduces the abrasion for even avoiding outer header, the calorific intensity that outer header is born is reduced, to improve making for cooler
Use the service life.The design of cooling air distribution pipe, cooling tube and cooling coil can cool down high-temperature solid particle, to mention
The high temperature scope of application of high cooler.The design of cooling ring cavity, can cool down high-temperature solid particle, to improve cooling
The high temperature scope of application of device.The design for loosening port and cooling air port, can loosen solid particle, guarantee solid particle smoothly to
Discharge port is discharged in lower flowing, and plays the role of further cooling solid particle.The design of heat exchange branch pipe, realizes saturation pan
Furnace moisture stream-confluence liquid form increases the heat exchange area in unit volume, improves heat exchange efficiency.Extended surface element is set
Meter can reduce the abrasion of exchange heat pipe unit；Heat exchange area can also be further increased, heat exchange efficiency is improved.Connecting plate
Design, can reduce the vibration of heat exchange tube unit, improve the service life of cooler.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of cooler for cooling solid particle, it is characterised in that: including shell and be assemblied in the intracorporal multiple pipes of shell
Tread assembly (5)；
The shell upper end is equipped with exhaust outlet (33) and the feed inlet (31) for solid particle charging, and shell lower end, which is equipped with, to be used
In the discharge port (11) of solid particle discharging, tube bundle assembly (5) is located between feed inlet (31) and discharge port (11)；
The tube bundle assembly (5) includes the bushing type header for being assemblied in shell upper section, and bushing type header, which is connected with, to be extended downwardly
Several beam heat exchange tube units；
Described sleeve pipe formula header includes the interior collection for being assemblied in the outer header (522) of shell upper section and being set in outer header (522)
Case (512), the interior header (512) are equipped with inlet (511), which is pierced by after outer header (522) from shell
It is pierced by；The outer header (522) is equipped with vapour-liquid mouth (521), should go out vapour-liquid mouth (521) and be pierced by from shell；
The heat exchange tube unit includes outer tube (523) and the inner sleeve (513) being inserted in outer tube (523), the housing
Pipe (523) lower end is cecum, and inner sleeve (513) lower end is inserted into outer tube (523) lower end and is connected with outer tube (523)；
Inner sleeve (513) upper end penetrates outer header (522) and is connected afterwards with interior header (512), outer tube (523) upper end and outer header
(522) it is connected.
2. a kind of cooler for cooling solid particle as described in claim 1, it is characterised in that: the outer header
(522) top is equipped with baffler (8) for protecting outer header, with direct to avoid the solid particle from feed inlet (31)
It falls at the top of outer header (522).
3. a kind of cooler for cooling solid particle as claimed in claim 2, it is characterised in that: also filled in the shell
Equipped with cooling air distribution pipe (7), which is pierced by shell as distribution pipe air inlet (73)；
The baffler (8) is equipped with the cooling tube (81) being axially distributed along baffler (8), and the cooling tube (81) passes through first point
Branch pipe (71) is connected with cooling air distribution pipe (7), and cooling tube (81) is equipped with cooling tube exhaust outlet (82)；
In feed inlet (31) the insertion shell, and it is located at the intracorporal feed inlet of shell (31) and is wound with cooling coil (9), it is described cold
But coil pipe (9) is connected by second branched pipe (72) with distribution pipe (7), and cooling coil (9) is equipped with cooling coil exhaust outlet
(91).
4. a kind of cooler for cooling solid particle as claimed in claim 3, it is characterised in that: the baffler (8)
Top is equipped with baffler protective layer (83), which covers baffler (8) and cooling tube (81)；The charging
Mouth (31) inner wall is equipped with feed inlet lining (32).
5. a kind of cooler for cooling solid particle as described in claim 1, it is characterised in that: the inner walls
Circumferencial direction is equipped with cooling ring cavity (24), which is communicated with close to outer header (522) bottom, cooling ring cavity (24)
It is pierced by the ring cavity import (241) and ring cavity outlet (242) of shell.
6. a kind of cooler for cooling solid particle as described in claim 1, it is characterised in that: the housing exterior walls are set
There are multiple loosening ports (21) and multiple cooling air ports (12), loosens port (21) and correspond to heat exchange tube unit, cooling air port
(12) correspond between heat exchange tube unit and discharge port (11).
7. a kind of cooler for cooling solid particle as described in claim 1, it is characterised in that: the heat exchange tube unit
It further include several heat exchange branch pipes (524), the heat exchange branch pipe (524) is located on the outside of outer tube (523), along outer tube (523)
Axis distribution, the upper and lower side of heat exchange branch pipe (524) are connected with the upper and lower side of outer tube (523) respectively.
8. a kind of cooler for cooling solid particle as claimed in claim 7, it is characterised in that: the heat exchange tube unit
It further include multiple extended surface elements (55), the extended surface element (55) is set to outer tube (523) or/and heat exchange branch pipe (524) outer wall.
9. a kind of cooler for cooling solid particle as described in claim 1, it is characterised in that: each outer tube
(523) cecum is connected to form overall structure by connecting plate (54).
10. a kind of cooler for cooling solid particle as described in claim 1, it is characterised in that: the inner walls
Equipped with shell inside liner (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227476.9U CN208920901U (en) | 2018-08-01 | 2018-08-01 | A kind of cooler for cooling solid particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227476.9U CN208920901U (en) | 2018-08-01 | 2018-08-01 | A kind of cooler for cooling solid particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208920901U true CN208920901U (en) | 2019-05-31 |
Family
ID=66701649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821227476.9U Active CN208920901U (en) | 2018-08-01 | 2018-08-01 | A kind of cooler for cooling solid particle |
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| Country | Link |
|---|---|
| CN (1) | CN208920901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917423A (en) * | 2018-08-01 | 2018-11-30 | 四川科新机电股份有限公司 | A kind of cooler for cooling solid particle |
| CN110207513A (en) * | 2019-06-13 | 2019-09-06 | 北京石油化工工程有限公司 | Ash-dregs cooler and afterheat utilizing system |
-
2018
- 2018-08-01 CN CN201821227476.9U patent/CN208920901U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917423A (en) * | 2018-08-01 | 2018-11-30 | 四川科新机电股份有限公司 | A kind of cooler for cooling solid particle |
| CN108917423B (en) * | 2018-08-01 | 2024-04-16 | 四川科新机电股份有限公司 | Cooler for cooling solid particles |
| CN110207513A (en) * | 2019-06-13 | 2019-09-06 | 北京石油化工工程有限公司 | Ash-dregs cooler and afterheat utilizing system |
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