CN203534278U - Disc-circular ring baffle plate floating head heat exchanger with temperature control function - Google Patents
Disc-circular ring baffle plate floating head heat exchanger with temperature control function Download PDFInfo
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- CN203534278U CN203534278U CN201320600250.XU CN201320600250U CN203534278U CN 203534278 U CN203534278 U CN 203534278U CN 201320600250 U CN201320600250 U CN 201320600250U CN 203534278 U CN203534278 U CN 203534278U
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Abstract
The utility model relates to a disc-circular ring baffle plate floating head heat exchanger with a temperature control function. The heat exchanger comprises a shell and is characterized in that a central channel is formed in the shell, wherein the inner wall of the central channel is provided with a thermal insulating layer; one end of the central channel extends into a head cavity, and the other end of the central channel is communicated with a tube pass fluid cavity; a central channel butterfly valve is arranged inside the central channel; tube pass fluid which enters the head cavity through a tube pass inlet also enters heat exchange tubes through a tube pass butterfly valve located inside the head cavity and enters the tube pass fluid cavity along the heat exchange tubes; at least one circular ring baffle plate and at least one disc circular ring baffle plate are arranged inside the shell at the same time. The disc-circular ring baffle plate floating head heat exchanger with the temperature control function has the advantages of effectively increasing the heat exchange coefficient, reducing a heat exchange area, lowering manufacturing cost of equipment, effectively lowering circulating resistance of shell side fluid, reducing power expense in the operational process, and effectively guaranteeing stable operation of downstream devices of the heat exchanger.
Description
Technical field
The utility model relates to a kind of heat exchanger.
Background technology
Along with country progressively improves the requirement of low-carbon energy-saving, the mode of production of the rough formula of chemical industry is more and more not suitable with the demand for development of modern industry, and a lot of research units and chemical enterprise have been done a lot of improvements with regard to how improving whole factory's efficiency aspect to existing chemical process.Wherein the heat recovery in chemical products production process becomes a kind of effective way that improves energy utilization rate.Heat exchanger is as the main equipment of waste heat recovery, and in chemical process flow, importance highlights all the more, and the quantity of heat exchanger accounts for chemical industry equipment used and reaches 40% left and right according to statistics, and its investment cost also reaches more than 20%.
Mainly there is following shortcoming in the heat exchanger using at present: under varying load condition, heat exchanger cannot keep steady-state operation; Tube side fluid again with shell-side fluid heat exchange after, its outlet temperature does not often reach design temperature, makes the upstream device of heat exchanger cannot keep steady-state operation.
Summary of the invention
The technical problems to be solved in the utility model is to make heat exchanger can keep steady-state operation under the larger operating mode of load variations.
In order to solve the problems of the technologies described above, the technical solution of the utility model has been to provide a kind of temperature controlling function disk circular ring type deflection plate floating head heat exchanger that has, comprise housing, at the two ends of housing, be respectively equipped with head construction and floating head type tail structure, in head construction, be provided with head cavity, the tube side entrance being positioned on head construction is connected with head cavity, in floating head type tail structure, be provided with tube side fluid cavity spaced apart from each other and shell-side fluid cavity, the shell side entrance and the tube side outlet that are positioned on floating head type tail structure are connected with shell-side fluid cavity and tube side fluid cavity respectively, shell-side fluid cavity is connected with the internal cavity of housing simultaneously, in housing, be furnished with many heat exchanger tubes, heat exchanger tube is connected with head cavity and tube side fluid cavity respectively, on housing, be provided with shell side outlet, shell-side fluid by shell side entrance enter after housing with heat exchanger tube in tube side fluid heat exchange after from shell side, export out, it is characterized in that: in housing, be also furnished with the central passage that inwall is provided with thermal insulation layer, one end of central passage is stretched in head cavity, the other end is connected with tube side fluid cavity, in central passage, be provided with central passage butterfly valve, flow through again after the end that the tube side fluid of the head cavity entering from tube side entrance is positioned at head cavity via central passage enters central passage central passage butterfly valve enter tube side fluid cavity along central passage, in this process, by the tube side fluid in the isolated central passage of thermal insulation layer and the heat exchange of the shell-side fluid in housing, the tube side fluid of the head cavity entering from tube side entrance also via the tube side butterfly valve that is positioned at head cavity, enters heat exchanger tube simultaneously and shell-side fluid carries out entering tube side fluid cavity after heat exchange, the tube side fluid that goes out central passage flows out from tube side outlet after mixing in tube side fluid cavity with the tube side fluid that goes out heat exchanger tube, in housing, be also provided with at least a slice disc and donut and at least a slice disk deflection plate simultaneously, disc and donut and disk the deflection plate vertically arranged direction of layout and arranged direction and heat exchanger tube are perpendicular, shell-side fluid in inflow housing is passed through by the middle through-hole of disc and donut, between the edge of disk deflection plate and the inwall of housing, there is gap, the shell-side fluid that makes to flow in housing is only passed through by this gap.
Preferably, described disc and donut and described disk deflection plate interval are arranged.
Preferably, described central passage is arranged in the middle part in described housing.
Preferably, described heat exchanger tube being circumferentially uniformly distributed along described central passage.
The utlity model has following beneficial effect:
The first, effectively the coefficient of heat transfer that has improved heat exchanger, has reduced heat exchange area, has reduced the manufacturing cost of equipment;
The second, effectively reduce the circulating resistance of shell-side fluid, reduced the power cost in heat exchanger running;
Three, effectively avoid or alleviated the possibility that vibrations occur equipment, having increased the service life of equipment and reduced the probability of device damage;
Four, its temperature-control structure has guaranteed the stable operation of this heat exchanger under variable working condition condition;
Five, its temperature-control structure is the steady-state operation that equipment has effectively guaranteed this heat exchanger upstream device;
Six, floating head type structure has effectively been avoided the destruction that equipment thermal expansion causes.
Accompanying drawing explanation
The general structure schematic diagram with temperature controlling function disk circular ring type deflection plate floating head heat exchanger that Fig. 1 provides for the utility model;
Fig. 2 is disc and donut schematic diagram;
Fig. 3 is disk deflection plate schematic diagram.
The specific embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, the utility model provides a kind ofly has a temperature controlling function disk circular ring type deflection plate floating head heat exchanger, comprise housing 10, at the two ends of housing 10, be respectively equipped with head construction 11 and floating head type tail structure 12, in head construction 11, be provided with head cavity, the tube side entrance 1 being positioned on head construction 11 is connected with head cavity, in floating head type tail structure 12, be provided with tube side fluid cavity spaced apart from each other and shell-side fluid cavity, the shell side entrance 8 and the tube side outlet 9 that are positioned on floating head type tail structure 12 are connected with shell-side fluid cavity and tube side fluid cavity respectively, shell-side fluid cavity is connected with the internal cavity of housing 10 simultaneously, in housing 10, be furnished with many heat exchanger tubes 4, heat exchanger tube 4 is connected with head cavity and tube side fluid cavity respectively, on housing 10, be provided with shell side outlet 13, after shell-side fluid enters housing 10 by shell side entrance 8 and after the tube side fluid heat exchange in heat exchanger tube 4, from shell side outlet 13, go out, in housing 10, be also furnished with the central passage 5 that inwall is provided with thermal insulation layer, central passage 5 is arranged in the middle part in housing 10, heat exchanger tube 4 is circumferentially uniformly distributed along central passage 5, one end of central passage 5 is stretched in head cavity, the other end is connected with tube side fluid cavity, in central passage 5, be provided with central passage butterfly valve 2, the end that the tube side fluid of the head cavity entering from tube side entrance 1 is positioned at head cavity via central passage 5 enters flows through central passage butterfly valve 2 after central passage 5 again and enters tube side fluid cavity along central passage 5, in this process, by the tube side fluid and the heat exchange that is positioned at the shell-side fluid of housing 10 in the isolated central passage 5 of thermal insulation layer, the tube side fluid of the head cavity entering from tube side entrance 1 also enters heat exchanger tube 4 via the tube side butterfly valve 3 that is positioned at head cavity simultaneously and carries out entering tube side fluid cavity after heat exchange with shell-side fluid, the tube side fluid that goes out central passage 5 flows out from tube side outlet 9 after mixing in tube side fluid cavity with the tube side fluid that goes out heat exchanger tube 4, in housing 10, be also provided with multi-disc disc and donut 6 and multi-disc disk deflection plate 7 as shown in Figure 3 as shown in Figure 2 simultaneously, disc and donut 6 and disk deflection plate 7 are arranged vertically, and the arranged direction of arranged direction and heat exchanger tube 4 is perpendicular, and disc and donut 6 are arranged with disk deflection plate 7 intervals, the inwall of the edge of disc and donut 6 and housing 10 interspaces as far as possible less, the shell-side fluid that makes to flow in housing 10 is only passed through by the middle through-hole of disc and donut 6, between the inwall of the edge of disk deflection plate 7 and housing 10, there is gap, the shell-side fluid that makes to flow in housing 10 is only passed through by this gap.
The course of work with temperature controlling function disk circular ring type deflection plate floating head heat exchanger that the utility model provides is:
Tube side fluid enters heat exchanger by tube side entrance 1, respectively by central passage butterfly valve 2 and tube side butterfly valve 3, the tube side fluid of tube side butterfly valve 3 of flowing through enters the transmission of heat exchanger tube 4 generation heat different from shell-side fluid Yin Wendu, central passage 5 inwalls are with one deck heat-barrier material, the tube side fluid of the central passage 5 of therefore flowing through is not carried out heat exchange with shell-side fluid, cold by heat exchanger tube 4 and central passage 5, hot fluid mixes at heat exchanger afterbody, mixed tube side fluid temperature is design object temperature, last tube side fluid exports 9 outflow heat exchangers from tube side and enters next equipment.
Control heat exchanger shell pass and tube side circulation and import and export fluid temperature (F.T.) mainly by tube side butterfly valve 3 and 5 realizations of central passage butterfly valve, should be by all the flow through operating condition design (during this heat exchanger maximum duty) of heat exchanger tube 4 of tube side fluid when design of heat exchanger, now tube side butterfly valve 3 should be full-gear, and central passage butterfly valve 2 should be complete shut-down state.When machine utilization reduces, if tube side fluid is still all by heat exchanger tube 4, shell-side fluid enters heat exchanger shell pass by shell side entrance 8, through disc and donut 6 and disk deflection plate 7 bafflings and tube side fluid, carries out heat exchange, and the shell-side fluid after exchange heat flows out from shell side outlet 13.Because heat exchange area remains unchanged, the outlet temperature of tube side fluid will be below or above (when hot fluid is walked tube side, tube side outlet temperature is lower than design load; If type of thermal communication is walked shell side, tube side outlet temperature is higher than design load) design load, therefore need to regulate tube side butterfly valve 3 and central passage butterfly valve 2, with realize tube side fluid by a certain percentage flow by heat exchanger tube 4 and central passage 5, because heat exchange is not carried out in the tube side circulation of the central passage 5 of flowing through, with from heat exchanger tube 4 tube side fluid out, mix, finally reach the tube side fluid outlet temperature that design needs.
Because this heat exchanger adopts floating head type slip tube sheet at afterbody, therefore can adapt to shell journey that shell journey fluid temperature difference causes the more greatly inconsistent operating mode that expands, equally also go for the longer heat exchanger of heat exchanger tube.
The heat exchanger that the utility model provides adopts disk, circular ring type deflection plate, thereby the deflection plate of this type can increase the ratio of shell-side fluid transversal flow heat exchanger tube and improve heat conduction efficiency, simultaneously, the deflection plate of this type can reduce the path of shell-side fluid transversal flow heat exchanger tube, thereby reduced the circulating resistance of shell-side fluid, reduced the pressure drop of fluid in shell side.
In the heat exchanger providing at the utility model, shell-side fluid flow direction in housing is uniformly, effectively reduces the probability of happening of heat exchanger vibrations, to the service life of equipment and maintenance playing effect energetically.
The heat exchanger that the utility model provides adopts central passage adjusting form to regulate tube side fluid by the ratio of heat exchanger tube, thereby controls heat exchanger tube pass fluid outlet temperature, to needing equipment steady state operation to have good guaranteeing role after this heat exchanger.Meanwhile, its center passages regulate function has good adaptability to the technological process of load variations significantly, and in the time of can guaranteeing load variations, its tube side fluid outlet temperature is constant.
It is larger that the heat exchanger that the utility model provides is applicable to shell journey fluid temperature difference, heat exchanger tube and the larger operating mode of shell-side cylinder differential expansion.
Claims (4)
1. one kind has temperature controlling function disk circular ring type deflection plate floating head heat exchanger, comprise housing (10), at the two ends of housing (10), be respectively equipped with head construction (11) and floating head type tail structure (12), in head construction (11), be provided with head cavity, the tube side entrance (1) being positioned on head construction (11) is connected with head cavity, in floating head type tail structure (12), be provided with tube side fluid cavity spaced apart from each other and shell-side fluid cavity, the shell side entrance (8) and the tube side outlet (9) that are positioned on floating head type tail structure (12) are connected with shell-side fluid cavity and tube side fluid cavity respectively, shell-side fluid cavity is connected with the internal cavity of housing (10) simultaneously, in housing (10), be furnished with many heat exchanger tubes (4), heat exchanger tube (4) is connected with head cavity and tube side fluid cavity respectively, on housing (10), be provided with shell side outlet (13), after shell-side fluid enters housing (10) by shell side entrance (8) and after the tube side fluid heat exchange in heat exchanger tube (4), from shell side outlet (13), go out, it is characterized in that: in housing (10), be also furnished with the central passage (5) that inwall is provided with thermal insulation layer, one end of central passage (5) is stretched in head cavity, the other end is connected with tube side fluid cavity, in central passage (5), be provided with central passage butterfly valve (2), the end that the tube side fluid of the head cavity entering from tube side entrance (1) is positioned at head cavity via central passage (5) enters flows through central passage butterfly valve (2) after central passage (5) again and enters tube side fluid cavity along central passage (5), in this process, by the tube side fluid in the isolated central passage (5) of thermal insulation layer and the heat exchange of the shell-side fluid in housing (10), the tube side fluid of the head cavity entering from tube side entrance (1) also enters heat exchanger tube (4) and enters tube side fluid cavity along heat exchanger tube (4) via the tube side butterfly valve (3) that is positioned at head cavity simultaneously, the tube side fluid that goes out central passage (5) flows out from tube side outlet (9) after mixing in tube side fluid cavity with the tube side fluid that goes out heat exchanger tube (4), in housing (10), be also provided with at least a slice disc and donut (6) and at least a slice disk deflection plate (7) simultaneously, disc and donut (6) and disk deflection plate (7) the vertically arranged direction of layout and arranged direction and heat exchanger tube (4) are perpendicular, the shell-side fluid flowing in housing (10) is only passed through by the middle through-hole of disc and donut (6), between the inwall of the edge of disk deflection plate (7) and housing (10), there is gap, the shell-side fluid flowing in housing (10) is only passed through by this gap.
2. a kind of temperature controlling function disk circular ring type deflection plate floating head heat exchanger that has as claimed in claim 1, is characterized in that: described disc and donut (6) are arranged with described disk deflection plate (7) interval.
3. a kind of temperature controlling function disk circular ring type deflection plate floating head heat exchanger that has as claimed in claim 1, is characterized in that: described central passage (5) is arranged in the middle part in described housing (10).
4. a kind of temperature controlling function disk circular ring type deflection plate floating head heat exchanger that has as claimed in claim 1, is characterized in that: described heat exchanger tube (4) being circumferentially uniformly distributed along described central passage (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600250.XU CN203534278U (en) | 2013-09-26 | 2013-09-26 | Disc-circular ring baffle plate floating head heat exchanger with temperature control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600250.XU CN203534278U (en) | 2013-09-26 | 2013-09-26 | Disc-circular ring baffle plate floating head heat exchanger with temperature control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203534278U true CN203534278U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600250.XU Withdrawn - After Issue CN203534278U (en) | 2013-09-26 | 2013-09-26 | Disc-circular ring baffle plate floating head heat exchanger with temperature control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203534278U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486882A (en) * | 2013-09-26 | 2014-01-01 | 上海锅炉厂有限公司 | Temperature-controllable floating head heat exchanger with disc and loop type baffling plates |
| CN104197750A (en) * | 2014-09-23 | 2014-12-10 | 大连葆光节能空调设备厂 | Wedge-shaped tubular heat exchanger |
| CN105202949A (en) * | 2015-10-15 | 2015-12-30 | 上海锅炉厂有限公司 | Controllable-temperature self-cooling protection high-temperature U-tube evaporator |
| CN105823352A (en) * | 2015-01-06 | 2016-08-03 | 中国石化工程建设有限公司 | Union type single tube pass floating head heat exchanger |
-
2013
- 2013-09-26 CN CN201320600250.XU patent/CN203534278U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486882A (en) * | 2013-09-26 | 2014-01-01 | 上海锅炉厂有限公司 | Temperature-controllable floating head heat exchanger with disc and loop type baffling plates |
| CN104197750A (en) * | 2014-09-23 | 2014-12-10 | 大连葆光节能空调设备厂 | Wedge-shaped tubular heat exchanger |
| CN104197750B (en) * | 2014-09-23 | 2017-11-21 | 大连葆光节能空调设备厂 | Wedge-shaped pipe heat exchanger |
| CN105823352A (en) * | 2015-01-06 | 2016-08-03 | 中国石化工程建设有限公司 | Union type single tube pass floating head heat exchanger |
| CN105823352B (en) * | 2015-01-06 | 2017-10-17 | 中国石化工程建设有限公司 | A kind of loose joint hair style single tube journey floating head heat exchanger |
| CN105202949A (en) * | 2015-10-15 | 2015-12-30 | 上海锅炉厂有限公司 | Controllable-temperature self-cooling protection high-temperature U-tube evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |