CN106440870B - External warmer - Google Patents
External warmer Download PDFInfo
- Publication number
- CN106440870B CN106440870B CN201610834363.4A CN201610834363A CN106440870B CN 106440870 B CN106440870 B CN 106440870B CN 201610834363 A CN201610834363 A CN 201610834363A CN 106440870 B CN106440870 B CN 106440870B
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- China
- Prior art keywords
- tube
- shell
- water interface
- bundle
- external warmer
- Prior art date
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- 239000000126 substance Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 202
- 239000003054 catalyst Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 235000014171 carbonated beverage Nutrition 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000004523 catalytic cracking Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
This application discloses a kind of external warmers comprising: shell is provided with the entrance and exit for the substance that is cooled on side wall；Upper bundle comprising be inserted into along the axial direction of the shell from the upper end of shell and be supported on multiple heat removing tubes in the shell；And lower tube bundle comprising be inserted into along the axial direction of the shell from the lower end of shell and be supported on multiple heat removing tubes in the shell.The beneficial effect of the application is: external warmer is divided into two tube banks arranged above and below, single tube bank length is substantially reduced with the more existing external warmer of weight, is saved installation space, can individually be transported, installed and be removed, repair and maintenance expense is low, has significant economic benefit.
Description
Technical field
The present invention relates to a kind of external warmers, use in gas-solid fluidized bed reaction device technical process more particularly to one kind
In the external warmer for adjusting catalyst temperature.
Background technique
In gas-solid fluidized bed reaction device, need to guarantee technological parameter by controlling catalyst temperature, maintain system heat
Balance, to reach the requirement of device technique purpose and even running.Catalyst regeneration process, fluidized bed such as catalytic cracking unit
The heat releases technical process such as methanol-to-olefins.Meanwhile this partial heat can be used to occur steam or heating other media.This part
The reasonable utilization of heat is an important energy conservation measure, generallys use external warmer at present to realize.
Existing external warmer there are many form, it is widely used both at home and abroad there are mainly two types of, one kind includes one vertical
The cylindrical shell of setting, one end is provided with more steam water interface bushing type heat removing tubes in shell.Each heat removing tube is envelope
Closed type structure is mainly made of water inlet pipe and steam water interface casing.Every heat removing tube is an independent heat transfer element, is constituted
One has independent water-vapour circuit heat exchange unit.A large amount of pipeline valves are needed between these heat removing tubes and steam trap,
The low deficiency of heat transfer efficiency caused by there are pipelines complicated, investment height, catalyst radial distribution difference.
It is another then heat removing tube be designed to external warmer frequently with channel structure, i.e., heat removing tube by two pieces of tube sheets and
End cap constitutes enclosed construction.Cavity between the steam water interface casing of heat removing tube and two adjacent tube sheets constitutes steam water interface
Flow pass；Cavity and water inlet pipe between end cap and adjacent tube sheet constitute water and enter channel.This external warmer and carbonated drink point
From a pipeline is only needed between device, that is, it may make up water-vapour circuit heat exchange unit.There are single heat removing tubes to let out for such external warmer
The problem of leakage causes whole equipment failure, it is serious that device is caused to stop.
In addition, above-mentioned 2 kinds of external warmers have that fault-resistant ability is poor, tube bank dismounting difficulty is big, particularly with
Large-sized external warmer needs large-scale crane when dismounting, and project amount is big, repair and maintenance expense is high.
Existing external warmer technology is not able to satisfy the needs of actual production, it is also desirable that propose design more rationally,
The better external warmer of performance.
Summary of the invention
The object of the present invention is to provide a kind of external warmers, can at least partly make up existing external warmer technology
It is insufficient.
For achieving the above object, according to an aspect of the present invention, a kind of external warmer is provided comprising: shell,
The entrance and exit for the substance that is cooled is provided on its side wall；Upper bundle comprising along the axial from shell of the shell
The upper end of body is inserted into and is supported on multiple heat removing tubes in the shell；And lower tube bundle comprising along the axis of the shell
To being inserted into from the lower end of shell and be supported on multiple heat removing tubes in the shell.
Optionally, multiple heat removing tubes of at least one of the upper bundle and lower tube bundle respectively include water supply inner tube
With the steam water interface casing being set in outside the water supply inner tube, the first end opening of the water supply inner tube and by the carbonated drink
Mixture casing surrounds, and second end is pierced by from corresponding one end of the steam water interface casing；And the upper bundle is under
Portion tube bank in it is described at least one further include the first end socket, first end socket is connected on one end of the shell, described
Multiple heat removing tubes pass through and fix on first end socket.
Optionally, at least one the water supply inner tube of multiple heat removing tubes is divided at least two groups, the water supply in same group
The second end of inner tube is connected to same water supplying and closes pipe, is separately provided for controlling the valve of its on-off on each concetrated pipe.
Optionally, each group in at least two groups includes at least two water supply inner tubes.
Optionally, at least one the steam water interface casing of multiple heat removing tubes is divided at least two groups, in same group
Described corresponding one end of steam water interface casing be connected to same steam water interface concetrated pipe, each steam water interface set
Pipe is separately provided for controlling the valve of its on-off.
In some embodiments, multiple heat removing tubes of at least one of the upper bundle and lower tube bundle respectively include to
Water inner tube and the steam water interface casing being set in outside the water supply inner tube, the first end of the water supply inner tube is by the carbonated drink
Mixture casing surrounds, and second end is pierced by from corresponding one end of the steam water interface casing；The upper bundle and lower tube
In beam it is described at least one further include bobbin carriage, which forms the water supply compartment and steam water interface compartment that are separated, institute
It states water supply compartment and is provided with feed-water intake towards hull outside, the steam water interface compartment is provided with towards hull outside
Steam water interface outlet；And at least one the water supply inner tube of all heat removing tubes is connected to the water supply compartment, owns
Steam water interface casing is connected to the steam water interface compartment.
Optionally, the bobbin carriage includes: bobbin carriage cylinder, and the steam water interface outlet is provided on side wall；First pipe
Plate is installed to the first end of bobbin carriage cylinder, and the steam water interface casing connection of the heat removing tube is to setting on the first tube sheet
Steam water interface opening；Second tube sheet is installed to the second end of bobbin carriage cylinder, and the water supply inner tube of the heat removing tube is pierced by institute
It states steam water interface casing and passes through first tube sheet and be connected to the water supply opening being arranged on the second tube sheet, the bobbin carriage
Cylinder, the first tube sheet and the second tube sheet surround to form the steam water interface compartment；And second end socket, it is located at described
It on two tube sheets, surrounds to form the water supply compartment with the second tube sheet, the feed-water intake is arranged on second end socket.
Optionally, the external warmer further includes the guiding trestle for being respectively used to the upper bundle and lower tube bundle, institute
It states guiding trestle and the enclosure interior is set close to the position of upper bundle or the end of lower tube bundle, for fixing heat removing tube
Between relative position.
Optionally, the steam water interface casing includes one of the group being made of light pipe, longitudinal finned tube, studded tube
Or more persons.
Optionally, the upper bundle and lower tube bundle are different tube banks.
Optionally, the external warmer further includes cooled substance dispenser, is the metal sheet with multiple apertures,
And it is set between the upper bundle and lower tube bundle.
Optionally, the cooled substance dispenser is the laths of metal in network.
Optionally, the external warmer further includes that the enclosure interior is arranged in and is situated between close to the fluidisation of the other end of shell
Matter distributor, for spraying fluid so that cooled substance is in fluidized state.
Optionally, the fluidizing agent distributor is arranged between the heat removing tube of the lower tube bundle and heat removing tube and institute
It states in the gap between the side wall of shell.
Optionally, the top half of shell is arranged in the entrance for the substance that is cooled, for the substance that is cooled
Outlet be arranged on the lower half portion of shell.
In some embodiments, another outlet for the substance that is cooled is additionally provided on the side wall of the shell, this is another
Outlet is arranged in the top half of the shell, at the position lower than the entrance for the substance that is cooled.
In some embodiments, the entrance and exit for the substance that is cooled is formed by the same opening.
In some embodiments, the shell includes the upper housing and lower case by flanged joint.
According to another aspect of the present invention, a kind of catalyst temperature adjuster is provided, comprising: shell is set on side wall
It is equipped with catalyst inlet and catalyst outlet；Upper bundle comprising axial along the shell is inserted into simultaneously from the upper end of shell
The multiple heat removing tubes being supported in the shell；And lower tube bundle comprising along the axial from the lower end of shell of the shell
It is inserted into and is supported on multiple heat removing tubes in the shell.
It is divided into arrange above and below two tube banks since external warmer according to an embodiment of the present invention uses, so individually
Tube bank length be substantially reduced with the more existing external warmer of weight, saving installation space, can individually be transported, install and
It removes, repair and maintenance expense is low, has significant economic benefit.
Detailed description of the invention
In referring to the drawings to being described in detail made by non-limiting embodiment of the invention, other spies of the invention
Sign, objects and advantages will become more apparent upon.Wherein:
Fig. 1 is the organigram according to the external warmer of the embodiment of the present invention 1；
Fig. 2 is the organigram according to the external warmer of the embodiment of the present invention 2；
Fig. 3 is the organigram according to the external warmer of the embodiment of the present invention 3；
Fig. 4 is the organigram according to the external warmer of the embodiment of the present invention 4.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
Fig. 1 is the organigram according to the external warmer 100 of the embodiment of the present invention 1.As shown in Figure 1, external warmer 100
It include: shell 110, upper bundle 120 and lower tube bundle 130.Upper bundle 120 includes along the axial from shell 110 of shell 110
One end be inserted into and support multiple heat removing tube 120a within the case 110.Lower tube bundle 130 include along shell 110 it is axial from
The other end of shell 110 is inserted into and supports multiple heat removing tube 130a within the case 110.
Lower tube bundle 130 is preferably separated by a certain distance with upper bundle 120.
Shell 110 is usually metal cylinder.In the example presented in the figure, the top periphery of shell equably arranges several supports
330, convenient for being connect with other related equipment.The inner wall of shell 110 can be laid with insulating and wearing-resistant lining, be arranged on side wall useful
Entrance 111 and outlet 112 in cooled substance.In the example shown, the setting of entrance 111 for the substance that is cooled exists
In the top half of shell 110, the lower half portion of shell 110 is set for the outlet 112 for the substance that is cooled.
In addition, external warmer 100 can also include the guiding trestle for being respectively used to upper bundle 120 and lower tube bundle 130
140.The position of the end in the close upper bundle 120 in 110 inside of shell or lower tube bundle 130 can be set in guiding trestle 140,
Relative position for fixing between multiple heat removing tubes, and limit the expansion direction of heat removing tube.
The internal structure of upper bundle 120 is discussed in detail below with reference to Fig. 1.
As shown in Figure 1, multiple heat removing tube 120a of upper bundle 120 respectively include water supply inner tube 121 and are set in water supply
The first end of steam water interface casing 122 outside inner tube 121, water supply inner tube 121 is open and is wrapped by steam water interface casing 122
It encloses, second end is pierced by from corresponding one end of steam water interface casing 122.
Steam water interface casing 122 may include one of group being made of light pipe, longitudinal finned tube, studded tube or more
Person.
Upper bundle 120 further includes that the first end socket 120b, multiple heat removing tube 120a passes through and fixes to the first end socket 120b
On.First end socket 120b includes flange 114, for connecting with the flange 114 that 110 one end of shell is arranged in.The both ends of shell 110
It is provided with flange 114, the first end socket 120b is connect with shell 110 by flange 114, is installed, is removed conveniently.
As shown in Figure 1, the water supply inner tube 121 of each heat removing tube 120a of upper bundle 120 is connected to water supply concetrated pipe 11,
Such as water supply concetrated pipe 11 is connected to via water supply manifold inlet 11a.In some preferable examples, upper bundle 120 it is more
The water supply inner tube 121 of a heat removing tube 120a is divided at least two groups, and each group includes at least two water supply inner tubes 121, in same group
The second end of water supply inner tube 121 be connected to same water supplying and close pipe 11.It is provided on each water supply concetrated pipe 11 for controlling
The valve (not shown) of its on-off.
In addition, as shown in Figure 1, the steam water interface casing 122 of each heat removing tube 120a of upper bundle 120 is connected to vapour
Aqueous mixtures concetrated pipe 12, such as concetrated pipe 12 is connected to via steam water interface manifold inlet 12a.Preferably show some
In example, the steam water interface casing 122 of multiple heat removing tube 120a of upper bundle 120 divides at least two groups, the vapour in same group
Corresponding one end of aqueous mixtures casing 122 is connected to same steam water interface concetrated pipe 12, each steam water interface concetrated pipe
The valve (not shown) for controlling its on-off is provided on 12.
In above-mentioned preferable example, the water supply inner tube 121 of multiple heat removing tube 120a of upper bundle 120 is by being no less than one
A water supply concetrated pipe 11 is connected to water supply inner tube 121, then connects water supply manifold inlet 11a；Steam water interface casing 122 passes through
No less than a steam water interface concetrated pipe 12 is connected to steam water interface casing 122, then connects the vapour of the upper end heat removing tube 120a
Aqueous mixtures export 12a.In the example illustrated in figure 1, the upper end of steam water interface casing 122 is provided with blind plate 13, water supply inner tube
121 top passes through the blind plate 13 of steam water interface casing 122.Multiple steam water interface casings 122 of multiple heat removing tube 120a
Pass through water supply manifold inlet 11a, water supply concetrated pipe 11 and steam water interface concetrated pipe 12, vapour with multiple water supply inner tubes 121
Aqueous mixtures outlet 12a forms multiple independent water circuits.
When upper bundle 120 works, water enters the multiple water supply manifold inlet 11a arranged on the first end socket 120b, often
A water supply manifold inlet 11a is correspondingly connected with a water supply concetrated pipe 11, and each water supply concetrated pipe 11 will be more in such as every group
A water supply inner tube 121 is connected to, and water enters each water supply inner tube 121 by water supply concetrated pipe 11 by water supply manifold inlet 11a
It is interior；Then, water enters in the circular passage between steam water interface casing 122 and water supply inner tube 121 by water supply inner tube 121；
Heat exchange is carried out with the thermocatalyst entered from entrance 111 by the tube wall of steam water interface casing 122, water is vapour by thermal change
Aqueous mixtures enter multiple steam water interface concetrated pipes 12 of connection steam water interface casing 122 via steam water interface casing；
The steam water interface outlet 12a outflow being arranged finally by steam water interface concetrated pipe 12.
The internal structure of lower tube bundle 130 is discussed in detail below with reference to Fig. 1.
As shown in Figure 1, multiple heat removing tube 130a of lower tube bundle 130 respectively include water supply inner tube 131 and are set in water supply
The first end of steam water interface casing 132 outside inner tube 131, water supply inner tube 131 is open and is wrapped by steam water interface casing 132
It encloses, second end is pierced by from corresponding one end of steam water interface casing 132.
Steam water interface casing 132 may include one of group being made of light pipe, longitudinal finned tube, studded tube or more
Person.
As shown in Figure 1, lower tube bundle 130 further includes bobbin carriage 130b, bobbin carriage 130b formed the water supply compartment being separated and
Steam water interface compartment, the water supply compartment are provided with towards the feed-water intake 24a outside shell 110, steam water interface compartment
It is provided with the steam water interface outlet 21a led to outside shell 110.The water supply inner tube of all heat removing tubes of lower tube bundle 130 connects
The water supply compartment is passed to, all steam water interface casings are connected to the steam water interface compartment.
As an example, as shown in Figure 1, bobbin carriage 130b includes: bobbin carriage cylinder 21, the first tube sheet 22, the second tube sheet 23 and
Two end sockets 24.Steam water interface outlet 21a is provided on the side wall of bobbin carriage cylinder 21.
First tube sheet 22 is installed to the first end of bobbin carriage cylinder 21, and the steam water interface casing 132 of heat removing tube 130a connects
To the steam water interface opening being arranged on the first tube sheet 22.Second tube sheet 23 is installed to the second end of bobbin carriage cylinder 21, and heat is taken
The water supply inner tube 131 of pipe 130a is pierced by steam water interface casing 132 and passes through the first tube sheet 22 and be connected to setting in the second pipe
Water supply opening on plate 23, bobbin carriage cylinder 21, the first tube sheet 22 and the encirclement of the second tube sheet 23 form the steam water interface compartment.
Second end socket 24 is located on the second tube sheet 23, forms water supply compartment, feed-water intake 24a with the encirclement of the second tube sheet 23
It is arranged on second end socket 24.Second end socket 24 includes flange 114, for connecting with the flange 114 that 110 one end of shell is arranged in
It connects.
In this way, space and water supply inner tube between feed-water intake 24a, the second end socket 24 and the second tube sheet 23 of bobbin carriage 130b
121 constitute water entering paths, the carbonated drink in space, heat removing tube 130a between the first tube sheet 22 of bobbin carriage 130b, the second tube sheet 23
The carbonated drink object of mixture casing 132 and 131 annular space of water supply inner tube, the end cap of heat removing tube and the setting of the side bobbin carriage 130b exports 211a
Steam water interface access is collectively formed, so that constituting one has independent water-vapour circuit heat transfer unit.
The feed-water intake 24a of heat removing tube 130a, the second end socket 24 and the second tube sheet 23 and water supply inner tube 131, the first tube sheet
22, the second tube sheet 23, bobbin carriage cylinder, steam water interface casing 132 and steam water interface outlet 21a constitute heat exchange function module.
The heat exchange function module is connect by flange 114 with shell 110, and installation is removed conveniently.
When lower tube bundle 130 works, water enters the second envelope from the feed-water intake 24a of 24 bottom of the second end socket of bobbin carriage 130b
First 24 and second tube sheet 23 water supply compartment, by the space uniform enter each water supply inner tube 131；Water passes through water supply inner tube
131 enter in the circular passage between steam water interface casing 132 and water supply inner tube 131；Pass through steam water interface casing 132
Tube wall carries out heat exchange with the cooled substance fallen from upper bundle area, and water is heated to be transformed to steam water interface, subsequently into
In the steam water interface compartment that the first tube sheet 22, the second tube sheet 23 and the bobbin carriage cylinder 21 of bobbin carriage 130b is constituted；Finally from bobbin carriage
The steam water interface outlet 21a of 21 side of cylinder setting flows out shell 110.
The first end socket 120b is each passed through although showing upper bundle 120 in Fig. 1 and using multiple heat removing tubes 121 to connect
The structure of water supply collector pipe 11 and steam water interface collector pipe 12, and lower tube bundle 130 uses multiple heat removing tubes 131 and passes through pipe
The structure of case 130b connection and control, but the present invention is not limited thereto, such as the structure restrained above and below can be and exchange.
It can be seen that it is divided into arrange above and below two tube banks since external warmer according to an embodiment of the present invention uses,
So individually tube bank length is substantially reduced with the more existing external warmer of weight, installation space is saved, can individually be transported
Defeated, installation and dismounting, repair and maintenance expense is low, has significant economic benefit.
In addition, above-mentioned external warmer itself realizes tube bank classification, heat removing tube grouping, each group heat removing tube and tube bank at different levels can
This group of heat removing tube only need to be closed, is not influenced when certain group heat removing tube breaks down or machine utilization changes with independent operating
Other groups of heat removing tubes or other tube banks operation, equipment can still operate normally, therefore the high reliablity of equipment, while be also convenient for switching
Each heat removing tube and each tube bank, take heat load adjustment range big, strong operability.
As shown in Figure 1, external warmer 100 can also include cooled substance dispenser 150.Cooled substance dispenser example
The for example metal sheet with multiple apertures or the laths of metal in network, and it is set to upper bundle 120 and lower tube
Between beam 130.When cooled substance such as catalyst granules falls through into lower tube bundle 130 from upper bundle 120, the present invention
Inventor be found by experiment that, can be significant by the uneven characteristic that vertical tube bundle rear catalyst is sparse in intermediate close side wall
Reduce heat transfer efficiency.The upper and lower tube bank of external warmer is classified, and cooled substance dispenser 150 is arranged in centre, can make catalyst
Even into lower tube bundle 130, realize that cooled substance enters the predistribution before lower tube bundle, to improve the whole of external warmer
Body heat exchange efficiency.
In addition, as shown in Figure 1, external warmer can also include that 110 inside of shell and the lower end close to shell 110 is arranged in
Fluidizing agent distributor 160.For example, fluidizing agent distributor 160 can be arranged in lower tube bundle 130 heat removing tube 130a it
Between and the gap between heat removing tube 130a and the side wall of shell 110 in.Fluidizing agent distributor 160 can be by for example in branch
The pipe or ring pipe of shape are made, and multiple nozzles are arranged on pipe, for spraying fluid so that cooled substance is in fluidized state.
As an example, external warmer 100 according to an embodiment of the present invention may be used as catalyst temperature adjuster, to be used for
The catalytic cracking unit of PETROLEUM PROCESSING industry and the other catalyst reaction devices similar with its technical process, such as MTO (methanol
Convert alkene processed) device, HCC (heavy oil Direct Pyrolysis alkene) device.For example, external warmer 100 may be used as cooling down
The catalyst temperature adjuster of catalyst granules.Certainly, external warmer according to an embodiment of the present invention is not limited to this, can also
To be applied to other heat transmitting place with requirement of similarity.
In addition, although being once described by taking catalyst or catalyst granules as an example in above description, according to the present invention
The external warmer of embodiment can be applicable to the cooled substance of non-solid particle, such as gas, liquid, such as reaction raw materials.
In addition, as shown in Figure 1, the shell 110 of external warmer 100 can be divided into upper housing, lower case two parts, it is right respectively
Should in upper bundle 120, lower tube bundle 130 and be arranged, and upper housing and lower case are connected as one by flange 114.This
Sample, external warmer 100 each tube bank installation, remove it is more convenient.
Fig. 2 is the organigram according to the external warmer 200 of the embodiment of the present invention 2.The construction and root of external warmer 200
It is essentially identical according to the external warmer 100 of the embodiment of the present invention 1；The difference is that the lower tube bundle 230 of external warmer 200 is adopted
Structure identical as upper bundle 220 has been taken, and has both used the knot of the upper bundle 120 similar to external warmer 100
Structure.Specifically, the upper bundle 220 and lower tube bundle 230 of external warmer 200 respectively include corresponding multiple heat removing tubes
First end socket 220b, 230b that 220a, 230a are fixedly connected with by multiple heat removing tubes, wherein the multiple heat removing tube 220a,
230a is separately connected water supply concetrated pipe 11 and steam water interface concetrated pipe 12 across one end of first end socket 220b, 230b.
Described in when describing external warmer 100 above by reference to Fig. 1, the water supply inner tube of heat removing tube 220a, 230a can
To be divided at least two groups, each group of water supply inner tube is connected to same water supplying and closes pipe, and water supply concetrated pipe passes through respectively
Valve controls its on-off.Similarly, the steam water interface casing of heat removing tube 220a, 230a can be divided at least two groups, each
The steam water interface casing connection of group is to same steam water interface concetrated pipe, and steam water interface concetrated pipe passes through valve respectively
Control its on-off.
Fig. 3 is the organigram according to the external warmer 300 of the embodiment of the present invention 3.The construction and root of external warmer 300
It is essentially identical according to the external warmer 100 of the embodiment of the present invention 1；The difference is that the upper bundle 320 of external warmer 300 is adopted
Structure identical as lower tube bundle 330 has been taken, and has both used the knot of the lower tube bundle 130 similar to external warmer 100
Structure.Specifically, the upper bundle 320 and lower tube bundle 330 of external warmer 300 respectively include multiple heat removing tube 320a, 330a
And corresponding bobbin carriage 320b, 330b.Bobbin carriage 320b, 330b are respectively provided with the bobbin carriage with the lower tube bundle 130 of external warmer 100
The identical structure of 130b, details are not described herein.
Fig. 2 and embodiment shown in Fig. 3 are shown, in external warmer according to an embodiment of the present invention, upper bundle is under
Portion's tube bank can take identical structure.In this case, since the similarity of component is high, the part being used interchangeably is more, because
This maintenance is more convenient, and maintenance cost reduces.
In the external warmer 100,200,300 shown in Fig. 1-3, shell 110,210,310 each has one and is cooled
Medium inlet 111,211,311 and a cooled medium outlet 112,212,312；However, cooled medium entrance and exit
Setting be not limited to such case.
For example, shell 410 is provided with one in the construction of according to embodiments of the present invention 4 external warmer 400 shown in Fig. 4
A cooled medium entrance 411, the first cooled medium outlet 412 and the top that the first cooled material outlet 412 is set
The second cooled medium outlet 412 '.Second cooled medium outlet 412 ' is for example for taking out the object tentatively cooled down
Matter.By taking external warmer 400 is used as catalyst temperature adjuster as an example, the second cooled material outlet 412 ' can be used for taking out greatly
The catalyst for being in catalyst operating temperature is caused, and the first cooled material outlet 412 can be used for taking-up and be cooled to more low temperature
Degree can be mixed with high temperature catalyst to reach the catalyst of the operating temperature.
As another embodiment, although being not shown, the shell of the external warmer of other embodiments can according to the present invention
To have by the same entrance and exit of cooled substance for being open and being formed, cooled substance (such as catalyst) from the opening into
Enter external warmer, after combination cooling, returned and exported by same opening, the heat transfer of back-mixing formula is integrally formed.
In addition, it can further be seen that the shell 410 of external warmer 400 can also be using whole structure in embodiment illustrated in fig. 4
It makes, and is not limited to two-piece unit construction as shown in Figs. 1-3.The present invention is not limited to any specific construction in this respect.More than
Description is only the preferred embodiment of the application and the explanation to institute's application technology principle.It will be appreciated by those skilled in the art that
Invention scope involved in the application, however it is not limited to technical solution made of the specific combination of above-mentioned technical characteristic, while
It should cover in the case where not departing from the inventive concept, any combination is carried out and shape by above-mentioned technical characteristic or its equivalent feature
At other technical solutions.Such as features described above and (but being not limited to) disclosed herein have the technical characteristic of similar functions
The technical solution replaced mutually and formed.
Claims (20)
1. a kind of external warmer, comprising:
Shell is provided with the entrance and exit for the substance that is cooled on side wall；
Upper bundle comprising be inserted into along the axial direction of the shell from the upper end of shell and be supported in the shell multiple takes
Heat pipe；And
Lower tube bundle comprising be inserted into along the axial direction of the shell from the lower end of shell and be supported in the shell multiple takes
Heat pipe,
Wherein, multiple heat removing tubes of each of the upper bundle and lower tube bundle respectively include water supply inner tube and are set in
The first end of steam water interface casing outside the water supply inner tube, the water supply inner tube is open and by the steam water interface set
Pipe surrounds, and second end is pierced by from corresponding one end of the steam water interface casing.
2. external warmer according to claim 1, wherein
At least one of the upper bundle and lower tube bundle further include the first end socket, and first end socket is connected to the shell
On one end of body, the multiple heat removing tube is passed through and fixed on first end socket.
3. external warmer according to claim 2, wherein at least one of the upper bundle and lower tube bundle it is more
The water supply inner tube of a heat removing tube is divided at least two groups, and the second end of the inner tube in same group is connected to same concetrated pipe, Ge Geji
It closes and is separately provided for controlling the valve of its on-off on pipe.
4. external warmer according to claim 3, wherein each group in at least two groups includes at least two water supply
Inner tube.
5. external warmer according to claim 2, wherein it is described at least one multiple heat removing tubes steam water interface set
Pipe is divided at least two groups, and described corresponding one end of the steam water interface casing in same group is connected to same steam water interface set
Pipe, each steam water interface concetrated pipe are separately provided for controlling the valve of its on-off.
6. external warmer according to claim 1, wherein
At least one of the upper bundle and lower tube bundle further include bobbin carriage, which forms the water supply compartment being separated
With steam water interface compartment, the water supply compartment is provided with the feed-water intake towards hull outside, the steam water interface compartment
The steam water interface being provided with towards hull outside exports；And
At least one the water supply inner tube of all heat removing tubes is connected to the water supply compartment, and all steam water interface casings connect
Pass to the steam water interface compartment.
7. external warmer according to claim 6, wherein the bobbin carriage includes:
Bobbin carriage cylinder is provided with the steam water interface outlet on side wall；
First tube sheet is installed to the first end of bobbin carriage cylinder, and steam water interface casing connection to the setting of the heat removing tube exists
Steam water interface opening on first tube sheet；
Second tube sheet is installed to the second end of bobbin carriage cylinder, and the water supply inner tube of the heat removing tube is pierced by the steam water interface
Casing simultaneously passes through first tube sheet and is connected to the water supply opening being arranged on the second tube sheet, the bobbin carriage cylinder, the first pipe
Plate and the second tube sheet surround to form the steam water interface compartment；And
Second end socket is located on second tube sheet, surrounds to form the water supply compartment with the second tube sheet, and the water supply enters
Mouth is arranged on second end socket.
8. external warmer according to claim 2, wherein the steam water interface casing includes by light pipe, longitudinal fin
One or more of the group that pipe, studded tube are constituted.
9. external warmer according to claim 6, wherein the steam water interface casing includes by light pipe, longitudinal fin
One or more of the group that pipe, studded tube are constituted.
10. external warmer according to claim 1 to 9, wherein the upper bundle and lower tube bundle is not
Same tube bank.
11. external warmer according to claim 1 further includes cooled substance dispenser, for multiple apertures
Metal sheet, and be set between the upper bundle and lower tube bundle.
12. external warmer according to claim 11, wherein the cooled substance dispenser is the gold in network
Belong to lath.
13. according to claim 1-9, external warmer described in any one of 11-12, further include setting the enclosure interior simultaneously
Close to the fluidizing agent distributor of the other end of shell, for spraying fluid so that cooled substance is in fluidized state.
14. external warmer according to claim 13, wherein the fluidizing agent distributor is arranged in the lower tube bundle
Heat removing tube between and the gap between heat removing tube and the side wall of the shell in.
15. according to claim 1-9, external warmer described in any one of 11-12, wherein described for the substance that is cooled
Entrance is arranged in the top half of shell, and the lower half portion of shell is arranged in for the outlet for the substance that is cooled.
16. external warmer according to claim 15, wherein be additionally provided on the side wall of the shell for cooled object
Another outlet of matter, another outlet are arranged in the top half of the shell, are used for the substance that is cooled positioned at lower than described
Entrance position at.
17. according to claim 1-9, external warmer described in any one of 11-12, wherein described for the substance that is cooled
Entrance and exit is formed by the same opening.
18. according to claim 1-9, external warmer described in any one of 11-12, wherein the shell includes passing through flange
The upper housing and lower case of connection.
19. according to claim 1-9, external warmer described in any one of 11-12, further includes being respectively used to the upper bundle
With the guiding trestle of lower tube bundle, the enclosure interior is arranged in close to upper bundle or the end of lower tube bundle in the guiding trestle
The position at end, for fixing the relative position between heat removing tube.
20. a kind of catalyst temperature adjuster, comprising:
Shell is provided with catalyst inlet and catalyst outlet on side wall；
Upper bundle comprising be inserted into along the axial direction of the shell from the upper end of shell and be supported in the shell multiple takes
Heat pipe；And
Lower tube bundle comprising be inserted into along the axial direction of the shell from the lower end of shell and be supported in the shell multiple takes
Heat pipe,
Wherein, multiple heat removing tubes of each of the upper bundle and lower tube bundle respectively include water supply inner tube and are set in
The first end of steam water interface casing outside the water supply inner tube, the water supply inner tube is open and by the steam water interface set
Pipe surrounds, and second end is pierced by from corresponding one end of the steam water interface casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834363.4A CN106440870B (en) | 2016-09-20 | 2016-09-20 | External warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834363.4A CN106440870B (en) | 2016-09-20 | 2016-09-20 | External warmer |
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| CN106440870A CN106440870A (en) | 2017-02-22 |
| CN106440870B true CN106440870B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610834363.4A Active CN106440870B (en) | 2016-09-20 | 2016-09-20 | External warmer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110681318A (en) * | 2018-07-06 | 2020-01-14 | 中国科学院大连化学物理研究所 | Axial flow fixed bed reactor with built-in modular heat collector |
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| CN106440870A (en) | 2017-02-22 |
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