CN106705711A - Anti-scaling multiple shell pass assembled heat exchanger - Google Patents
Anti-scaling multiple shell pass assembled heat exchanger Download PDFInfo
- Publication number
- CN106705711A CN106705711A CN201710076296.9A CN201710076296A CN106705711A CN 106705711 A CN106705711 A CN 106705711A CN 201710076296 A CN201710076296 A CN 201710076296A CN 106705711 A CN106705711 A CN 106705711A
- Authority
- CN
- China
- Prior art keywords
- tube
- heat exchange
- shell
- heat exchanger
- muitishell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F28D7/16—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 in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- 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
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Abstract
The invention relates to an anti-scaling multiple shell pass assembled heat exchanger. The anti-scaling multiple shell pas assembled heat exchanger comprises a base, a bracket and a plurality of heat exchange units, wherein the base is fixed on the ground, the bracket is mounted at the upper end of the base, the plurality of the heat exchange units are mounted on the bracket, each of the heat exchange units is an independent single tube pass and single shell pass shell-and-tube heat exchanger and the heat exchange units are connected in pairs; each of the heat exchange units comprises a housing, tube boxes, tube plates, a tube bundle, a spiral baffle plate, a tube pass inlet, a shell pass inlet, a tube pass outlet and a shell pass outlet; the tube boxes are arranged at two ends of the housing, the tube bundle and the spiral baffle plate are arranged in the housing, the tube bundle is composed of a plurality of heat transfer tubes, the tube plates are welded at two ends of the tube bundle, and the spiral baffle plate is continuously welded by fan-shaped surface plates to form a spiral surface structure and is mounted on the tube bundle. By lengthening the lengths of the tube passes of the heat exchangers, the sections of the tube passes are reduced and the fluid flow rate of the tube passes is improved, so that the scaling probability of the tube passes is greatly reduced.
Description
Technical field
The invention belongs to fluid device technical field, more particularly to a kind of good antiscale property muitishell assembly type heat exchanger, especially
It is a kind of good antiscale property muitishell assembly type heat exchanger suitable for the easy fouling fluid of bilateral.
Background technology
Shell-and-tube heat exchanger is widely used in the industrial productions such as oil, chemical industry, light industry, pharmacy, the energy, with structure letter
The advantages such as single, easily disassembled and cleaning.But in the case where shell journey is easy fouling fluid, the application of shell-and-tube heat exchanger is received
To limitation, the problem of several aspects is primarily present：One is that the flow velocity of shell journey is difficult to match.Improve rate of flow of fluid and avoid fouling
Important means.For tube side, number of tube passes choice can elongate tube side length and contract than larger by increasing number of tube passes
Pipe with small pipe diameter, improves tube side flow velocity, so as to reduce tube side fouling.And for shell side, number of shell passes choice very little only allows 1-
2 shell sides.If reducing circulation area by way of adding deflection plate improves flow velocity, deflection plate fouling risk can be increased, and
Pressure drop can be increased.Therefore, generally pipe, shell side flow velocity are difficult to synchronous raising, and shell-side fluid flow velocity is often below tube side, and shell side more holds
Easy fouling.Two is that shell side deflection plate has dead band.Deflection plate typically uses cambered plate, the greatest problem of cambered plate be dead band compared with
Many, easily deposition causes fouling of heat exchangers to solid impurity in the dead zone.Three is relatively low heat exchange efficiency.It is well known that countercurrent flow
It is the optimal arrangement of the thermal efficiency.But for easy fouling fluid, to improve tube side fluid flow velocity, multitube distance is usually taken and sets
Meter, cold and hot logistics is practically in adverse current and cocurrent and the state deposited, and is locally likely to occur anti-pass thermal phenomenon, and heat transfer efficiency cannot be obtained
To guarantee, often result in that the fluid inlet and outlet temperature difference is too small, outlet temperature is difficult to reach technological requirement.
In the industrial production, there are a large amount of bilaterals and be easy fouling fluid and heat exchanging efficiency requirements applied field higher
Close, such as the electric desalting apparatus and sewage stripping device of oil plant, in the urgent need to one kind can overcome traditional pipe shell type heat exchange
The above mentioned problem of device, with preferable scale-preventing performance, so that the heat transmission equipment of heat exchange efficiency is improved, to reduce equipment scavenger
Measure, reduce hot side fluid and subsequently cool down load.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of good antiscale property muitishell assembly type heat exchanger, specifically
A kind of good antiscale property muitishell assembly type heat exchanger of use helical baffles, takes the mode of multiple heat exchange unit series connection, increases
Number of shell passes, it is synchronous to improve shell journey flow velocity, to solve the easy fouling of traditional heat exchangers, the low problem of heat exchange efficiency.
The technical solution adopted for the present invention to solve the technical problems is：A kind of good antiscale property muitishell assembly type heat exchange is provided
Device, including pedestal, support and some heat exchange units, wherein the pedestal is fixed on the ground, the support is arranged on pedestal
End, some heat exchange units are rack-mount, and heat exchange unit is an independent single tube journey, monoshell journey pipe shell type heat exchange
Device, connected two-by-two by pipeline, the heat exchange unit include housing, bobbin carriage, tube sheet, tube bank, helical baffles, tube-side inlet,
Shell side inlet, tube side outlet, shell-side outlet, the housing two ends set bobbin carriage, and the enclosure interior is provided with tube bank and spiral folding
Stream plate, the tube bank is that the helical baffles are flat using sector by many heat transfer tube groups into, and tube bank two ends welding tube sheet
Panel is continuously welded to form helicoid structure, in tube bank, be respectively equipped with the outside of housing both sides tube sheet, housing
Tube-side inlet, tube side outlet, shell side inlet, shell-side outlet are respectively equipped with the inner side of housing both sides tube sheet, housing.
Further technical characteristic of the invention is that the support is cuboid framework structure.
Further technical characteristic of the invention is that some heat exchange units are that two row's vertical arrays are arranged on support
On.
Further technical characteristic of the invention is that the heat exchange unit quantity is 4 or 6.
Further technical characteristic of the invention is that the helical baffles of some heat exchange units can also be cambered plate
Or rod baffle.
Further technical characteristic of the invention is that the shell footpath of some heat exchange units is between DN150-DN600.
Further technical characteristic of the invention is connected by placed in series or parallel connection between some heat exchange units
Connect.
Further technical characteristic of the invention is, the mode that is connected in series is that the be connected tube side of two heat exchange units goes out
Mouth is connected with tube-side inlet, shell-side outlet and shell side inlet are connected.
Further technical characteristic of the invention is that the parallel is that the tube side of connected two heat exchange units goes out
Mouth is interconnected, tube-side inlet is interconnected, shell-side outlet is interconnected, shell side inlet is interconnected.
Beneficial effect
The beneficial effects of the present invention are：
1st, multiple heat exchange units increased tube side length, and tube side section is reduced on the premise of heat transfer area is ensured, improve
Tube side fluid flow velocity, greatly reduces tube side fouling probability；
2nd, designed using multiple shell sides, improve shell-side fluid flow velocity, while using helical baffles, reducing deflection plate dead
Angle, reduces shell side fouling probability；
3rd, using multiple heat exchange unit serial or parallel connections, multitube distance, muitishell structure, shell journey flow velocity proportioning section are formed
Learn, realize pure countercurrent heat-transfer, heat transfer efficiency is increased substantially, about improve 30% or so, 10 DEG C of left sides of hot side outlet temperature drop
It is right；
4th, the three-dimensional arrangement of multiple heat exchange units, floor space is small, saves live platform position.
Brief description of the drawings
Fig. 1 is the front schematic view of the embodiment of the present invention 1.
Fig. 2 is the side schematic view of the embodiment of the present invention 1.
Fig. 3 is helical baffles scheme of installation of the present invention.
Fig. 4 is the side schematic view of the embodiment of the present invention 2.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment 1
As Figure 1-3, it is the good antiscale property muitishell assembly type heat exchanger of certain oil refining enterprise's electric desalting apparatus customization, heat exchange
The cold side of device is the normal temperature purified water into device, and hot side is the high temperature saline sewage for device.According to the work of the electric desalting apparatus
Skill parameter is calculated, and the heat exchanger is connected by four heat exchange units, forms quadritube-pass, an assembly type heat exchanger for four shell sides.
Described muitishell spiral plate combined type scale-proof heat exchanger includes pedestal 1, support 2, the heat exchange of 1# heat exchange units 3,2#
Unit 4,3# heat exchange units 5,4# heat exchange units 6 and interconnecting tube road composition, pedestal 1 are fixed on ground；Support 2 is arranged on
On pedestal 1, for supporting heat exchange unit 3,4,5,6；Heat exchange unit 3,4,5,6 is placed on support 2, each heat exchange unit tube side and
Shell side is serially connected by interconnecting tube road.
1# heat exchange units 3 are an independent single tube journey, monoshell journey shell-and-tube heat exchanger.1# heat exchange units include housing 7,
Bobbin carriage 8, tube sheet 9, tube bank 10, helical baffles 11, tube-side inlet 12, the outlet 14, shell-side outlet 15 of shell side inlet 13, tube side.
Housing two ends set bobbin carriage 8, centre install tube sheet 9, tube bank 10 and helical baffles 11, tube bank 10 by many heat transfer tube groups into,
Tube sheet 9 is welded at two ends, and tube-side inlet 12 and shell-side outlet 15 are arranged on housing left side top, and tube side exports 14 and shell side inlet 13
Housing lower right-hand side is arranged on, other three heat exchange units 4,5,6 are identical with the structure of 1# heat exchange units 3, but place
Direction is different with position, and helical baffles 11 are continuously welded using fan-shaped plan plate, forms approximate helical face, as shown in Figure 3.
2# heat exchange units 4 are located at the lower section of 1# heat exchange units 3, and installation direction is opposite with 1# heat exchange units 3；3# heat exchange units 5
2# heat exchange units 4 and the rear of 1# heat exchange units 3 are separately mounted to 4# heat exchange units 6, its installation direction exchanges heat single with 2# respectively
Unit 4 is consistent with 1# heat exchange units 3.1# heat exchange units 3,2# heat exchange units 4,3# heat exchange units 5,4# heat exchange units 6 pass through pipeline
Connect two-by-two in order, specific connected mode is that the tube side outlet of a upper heat exchange unit connects with next heat exchange unit tube-side inlet
Connect, the shell-side outlet of a upper heat exchange unit is connected with next heat exchange unit shell side inlet.
Embodiment 2
As shown in figure 4, be the muitishell spiral plate combined type scale-proof heat exchanger of certain oil refining enterprise's sewage stripping device customization,
The cold side of heat exchanger is raw water, and hot side is the purified water of carrying device.Technological parameter according to the sewage stripping device is calculated,
The heat exchanger is connected by six heat exchange units, forms six tube sides, an assembly type heat exchanger for six shell sides.
Described muitishell spiral plate combined type scale-proof heat exchanger includes pedestal 1, support 2, the heat exchange of 1# heat exchange units 3,2#
Unit 4,3# heat exchange units 5,4# heat exchange units 6,5# heat exchange units 15,6# heat exchange units 16 and interconnecting tube road composition.
Pedestal 1 is fixed on ground；Support 2 is arranged on pedestal 1, and heat exchange unit 3,4,5,6,15,16 is fixed on support 2.
The internal structure of six heat exchange units 3,4,5,6,15,16 is identical with embodiment 1.1# heat exchange units 3,2# are changed
Hot cell 4,3# heat exchange units 5,4# heat exchange units 6,5# heat exchange units 15,6# heat exchange units 16 are by connecting pipe in order two
Two series connection, specific connected mode is that the tube side outlet of a upper heat exchange unit is connected with next heat exchange unit tube-side inlet, and upper one changes
The shell-side outlet of hot cell is connected with next heat exchange unit shell side inlet.
Claims (9)
1. a kind of good antiscale property muitishell assembly type heat exchanger, including pedestal (1), support (2) and some heat exchange units (18), it is special
Levy and be：The pedestal (1) fixes on the ground, and the support (2) is installed in pedestal (1) upper end, some heat exchange units
(18) on support (2), and heat exchange unit (18) is an independent single tube journey, monoshell journey shell-and-tube heat exchanger, passes through
Pipeline is connected two-by-two, and the heat exchange unit (18) includes housing (7), bobbin carriage (8), tube sheet (9), tube bank (10), helical baffles
(11), tube-side inlet (12), shell side inlet (13), tube side outlet (14), shell-side outlet (15), housing (7) two ends are set
Bobbin carriage (8), is provided with tube bank (10) and helical baffles (11) inside the housing (7), the tube bank (10) is by many heat transfers
Pipe is constituted, and tube sheet (9) is welded at tube bank (10) two ends, and the helical baffles (11) are using the continuous welding group of fan-shaped plan plate
Into helicoid structure, in tube bank (10), the outside of the housing (7) both sides tube sheet (9), housing are respectively equipped with (7)
Tube-side inlet (12), tube side outlet (14), the inner side of the housing (7) both sides tube sheet (9), housing are respectively equipped with shell side on (7)
Entrance (13), shell-side outlet (15).
2. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 1, it is characterised in that：The support (2)
It is cuboid framework structure.
3. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 1, it is characterised in that：Some heat exchange
Unit (18) is arranged on support (2) for two row's vertical arrays.
4. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 1 or 3, it is characterised in that：The heat exchange
Unit (18) quantity is 4 or 6.
5. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 1, it is characterised in that：Some heat exchange
The helical baffles (11) of unit (18) can also be cambered plate or rod baffle.
6. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 1, it is characterised in that：Some heat exchange
The shell footpath of unit (18) is between DN150-DN600.
7. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 1, it is characterised in that：Some heat exchange
Pass through placed in series between unit (18) or be connected in parallel.
8. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 7, it is characterised in that：It is described to be connected in series
Mode is connected for tube sides outlet (14) of two heat exchange units (18) of being connected with tube-side inlet (12), shell-side outlet (15) and shell side
Entrance (13) is connected.
9. a kind of good antiscale property muitishell assembly type heat exchanger according to claim 7, it is characterised in that：It is described to be connected in parallel
Mode is for two tube side outlet (14) interconnections of heat exchange units (18) that are connected, tube-side inlet (12) is interconnected, shell side goes out
Mouth (15) is interconnected, shell side inlet (13) is interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710076296.9A CN106705711A (en) | 2017-02-13 | 2017-02-13 | Anti-scaling multiple shell pass assembled heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710076296.9A CN106705711A (en) | 2017-02-13 | 2017-02-13 | Anti-scaling multiple shell pass assembled heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106705711A true CN106705711A (en) | 2017-05-24 |
Family
ID=58911316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710076296.9A Pending CN106705711A (en) | 2017-02-13 | 2017-02-13 | Anti-scaling multiple shell pass assembled heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106705711A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036465A (en) * | 2017-06-02 | 2017-08-11 | 首钢水城钢铁（集团）有限责任公司 | A kind of height puts groove heat-exchange system and modified pitch production system |
| CN108332571A (en) * | 2018-02-02 | 2018-07-27 | 江阴市双友空调机械有限公司 | A kind of fired multi-stage condensation type condenser |
| CN108592690A (en) * | 2018-07-30 | 2018-09-28 | 张会珍 | A kind of online automatic desludging shell-and-tube heat exchanger |
| CN109556431A (en) * | 2018-11-23 | 2019-04-02 | 上海慧得节能科技有限公司 | Normalized assembled heat exchanger |
| CN109668452A (en) * | 2019-01-31 | 2019-04-23 | 许昌中兴换热设备有限公司 | Combined type tubulation heat-exchanger rig and cool-down method for aluminum oxide decomposer |
| RU2734614C1 (en) * | 2019-09-18 | 2020-10-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Калининградский государственный технический университет" | Shell-and-tube heat exchanger |
| CN114543555A (en) * | 2022-01-25 | 2022-05-27 | 中国船舶重工集团公司第七一九研究所 | Heat exchange unit and heat exchanger |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036465A (en) * | 2017-06-02 | 2017-08-11 | 首钢水城钢铁（集团）有限责任公司 | A kind of height puts groove heat-exchange system and modified pitch production system |
| CN107036465B (en) * | 2017-06-02 | 2023-08-15 | 首钢水城钢铁（集团）有限责任公司 | High-tank heat exchange system and modified asphalt production system |
| CN108332571A (en) * | 2018-02-02 | 2018-07-27 | 江阴市双友空调机械有限公司 | A kind of fired multi-stage condensation type condenser |
| CN108592690A (en) * | 2018-07-30 | 2018-09-28 | 张会珍 | A kind of online automatic desludging shell-and-tube heat exchanger |
| CN108592690B (en) * | 2018-07-30 | 2024-02-09 | 张会珍 | Online automatic descaling shell-and-tube heat exchanger |
| CN109556431A (en) * | 2018-11-23 | 2019-04-02 | 上海慧得节能科技有限公司 | Normalized assembled heat exchanger |
| CN109668452A (en) * | 2019-01-31 | 2019-04-23 | 许昌中兴换热设备有限公司 | Combined type tubulation heat-exchanger rig and cool-down method for aluminum oxide decomposer |
| RU2734614C1 (en) * | 2019-09-18 | 2020-10-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Калининградский государственный технический университет" | Shell-and-tube heat exchanger |
| CN114543555A (en) * | 2022-01-25 | 2022-05-27 | 中国船舶重工集团公司第七一九研究所 | Heat exchange unit and heat exchanger |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |