CN203432434U - Band fin cast plate-type air pre-heater - Google Patents
Band fin cast plate-type air pre-heater Download PDFInfo
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- CN203432434U CN203432434U CN201320439943.5U CN201320439943U CN203432434U CN 203432434 U CN203432434 U CN 203432434U CN 201320439943 U CN201320439943 U CN 201320439943U CN 203432434 U CN203432434 U CN 203432434U
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- wave band
- fin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model relates to a band fin cast plate-type air pre-heater comprising a shell body, a heat exchange element which is arranged in the shell body and a sealed structure; the heat exchange element comprises a plurality of cast fin plate heat exchange units; each cast fin plate heat exchange unit comprises base plates and fin groups which are arranged on the base plates; in the cast fin plate heat exchange unit, two base plates are arranged in alignment, and sealing surfaces on the ends of the edges are in sealed connection through sealing bolts, wherein each fin group arranged on the base plate comprises band-shaped fins; the band-shaped fins are vertically and/or obliquely arranged on the base plate, and the upper ends and lower ends of the band-shaped fins are in wave shapes. Compared with the prior art, the band fin cast plate-type air pre-heater overcomes the problems of a cast plate-type air pre-heater of the prior art that direct-through runners between the fins have short routes, dust is easily accumulated, and the like; due to the setting of a plurality of sections of wave-shaped bent fins, the bent runners are formed between the fins, so that the ash is washed, the process is prolonged and the heat exchange area is increased; the band fin cast plate-type air pre-heater has the characteristics of high-efficiency heat exchange and high flow.
Description
Technical field
The utility model relates to the energy-conservation heat-exchange apparatus technology of high efficient heat exchanging in mechanized equipment engineering, particularly relates to a kind of wave band wing cast sheet regenerative air heater.
Background technology
Cast sheet regenerative air heater is because it has the characteristic of resistance to dewpoint corrosion, therefore in petrochemical industry, metallurgy, the transformation of Energy Project mechanized equipment usually for substituting tubular air preheater.
In prior art, as depicted in figs. 1 and 2, its structure includes housing 2, smoke inlet 1, exhanst gas outlet 7, air intake 6, air outlet slit 4 to common cast sheet regenerative air heater, and is arranged at heat exchange element 3 and hermetically-sealed construction 5 in housing 2.Its course of work is: flue gas enters from smoke inlet 1, from smoke inlet 1, through the backward exhanst gas outlet 7 of heat exchange element 3 heat exchange heat release, discharge, air enters from the air intake 6 of housing 2 sidewalls, from air intake 6, through the absorb heat air outlet slit 4 of backward housing 2 sidewalls of heat exchange element 3 heat exchanges, discharges.Its heat exchange element 3 has generally included a plurality of casting fin plate heat exchange units, the fin 311 that casting fin plate heat exchange unit includes substrate 31 and is arranged at substrate 31, casting fin plate heat exchange unit by 31 alignment of two substrates arrange, and respectively by the be tightly connected sealing surface 32 of its end, edge of sealing bolt 10, between sealing surface 32 for sealing better can be installed sealing gasket 9 additional.
Its operation principle is: still the flue gas with low temperature exhaust heat enters at a high speed cast sheet regenerative air heater from the smoke inlet 1 of housing 2 settings of cast sheet regenerative air heater, after casting fin plate heat exchange unit heat exchange heat release, the exhanst gas outlet 7 arranging from the housing 2 of cast sheet regenerative air heater is discharged.And the flow process of air side is divided into two journeys, from the air intake 6 of cast sheet regenerative air heater sidewall, compress at a high speed, level completes a journey after flowing to cover plate 8, then 90 ° of turnovers continue to flow along cover plate 8, after 90 ° of turnovers, level flows to the air outlet slit 4 of cast sheet regenerative air heater sidewall and flows out again, completes the second journey, in this two journey, air is from casting fin plate heat exchange unit heat exchange heat absorption, and wherein the flow direction of air and the flow direction of flue gas are mutually vertical.
As shown in Figure 2, the casting fin plate heat exchange unit of above-mentioned cast sheet regenerative air heater of the prior art, its fin is the brachypterism laminated structure setting being vertical setting with substrate, and the length of fin and highly approaching, if fin is linked to be strip, want, by increasing the mode of fin area, to increase heat exchange area and improve heat exchange efficiency, easily at fin surface, form laminar flow, be unfavorable for heat exchange.And fin surface is more coarse, make ashes easily be subject to fin supporting, and straight-through runner distance between fin is short, easily deposits flue gas ashes and forms dirt layer, thereby increase thermal resistance, reduces heat exchange efficiency.Thereby improve for the problems referred to above of the prior art, research and development aim at the cast sheet regenerative air heater of the large flow of large area and narrow gap under worst hot case, in field of engineering technology, have very far-reaching and great meaning.
In sum, for above-mentioned the deficiencies in the prior art part, need the large flow cast sheet regenerative air heater technology that provides a kind of high efficient heat exchanging can avoid again fin dust stratification badly.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of fin of can avoiding easily to accumulate ashes, avoid forming stable laminar flow at fin surface, there is high efficient heat exchanging simultaneously, meet the wave band wing cast sheet regenerative air heater that the narrow gap design of large flow requires.
The purpose of this utility model is achieved through the following technical solutions:
A kind of wave band wing cast sheet regenerative air heater is provided, include housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and be arranged at heat exchange element and the hermetically-sealed construction in housing, described heat exchange element includes a plurality of casting fin plate heat exchange units, the fins set that described casting fin plate heat exchange unit includes substrate and is arranged at substrate, casting fin plate heat exchange unit is arranged by two substrate alignment, and respectively by the be tightly connected sealing surface of its end, edge of sealing bolt, it is characterized in that: the fins set that includes wave band shape fin in described casting fin plate heat exchange unit is arranged at the fins set of substrate, described wave band shape fin vertically arranges and/or is obliquely installed in described substrate, and the top and bottom of described wave band shape fin are all in wave shape.
Wherein, the fins set of described substrate one side is set to the fins set of described wave band shape fin, and the fins set of described substrate opposite side is set to fins set or the non-finned of straight fins.
Wherein, the fins set of described substrate both sides is all set to the fins set of described wave band shape fin.
Wherein, in the fins set of described substrate one side or both sides, be set to the mixing fins set that formed by described wave band shape fin and straight fins.
Wherein, in the fins set of described substrate one side or both sides, be set to the mixing fins set that the mixing fin that is connected by wave band shape fin and straight fins and wave band shape fin form.
Wherein, on described wave band shape fin, be provided with perforate.
Wherein, described in, include waveform and all identical settings of wave number of wave band shape fin described in the fins set of wave band shape fin.
Wherein, described in, include the waveform setting not identical with wave number of wave band shape fin described in the fins set of wave band shape fin.
Wherein, the waveform trend including described on described wave band shape fin adjacent in the fins set of wave band shape fin is contrary.
Wherein, the height that includes the described wave band shape fin in the fins set of wave band shape fin described in increases progressively gradually along air flow channel direction or the flue gas flow channel direction of described substrate.
the beneficial effects of the utility model:
A kind of wave band wing cast sheet regenerative air heater of the present utility model, include housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and be arranged at heat exchange element and the hermetically-sealed construction in housing, heat exchange element includes a plurality of casting fin plate heat exchange units, the fins set that casting fin plate heat exchange unit includes substrate and is arranged at substrate, casting fin plate heat exchange unit is arranged by two substrate alignment, and respectively by the be tightly connected sealing surface of its end, edge of sealing bolt, in being arranged at the fins set of substrate, casting fin plate heat exchange unit includes the fins set of wave band shape fin, wave band shape fin vertically arranges and/or is obliquely installed in substrate, and the top and bottom of wave band shape fin are all in wave shape, sidewalls flex between the top and bottom of this wave band shape fin forms the curved surface of waveform thus.Compared with prior art, the utility model overcomes the cast sheet regenerative air heater of prior art because the straight-through short fin that causes of runner distance between fin easily accumulates ashes and the low problem of heat exchange efficiency, the fins set that employing consists of wave band shape fin, or mix and arrange or had the following advantages by the be connected mode of formed fins set of wave band shape fin and straight fins by wave band shape fin and straight fins: the one, wave band shape fin is compared with straight fins, has increased the heat exchange area of fin, the 2nd, due to the sidewall of the wave band shape fin curved surface that is waveform, thereby on the gas channel of two sidewalls of wave band shape fin, form the waveform running path of a plurality of segmentation bendings, air or flue gas are caused in flowing perturb and form turbulent flow, avoid forming stable laminar flow at fin surface, thereby between the gas of the wave band shape fin side wall that makes to flow through and the gas on main channel, produce more direct exchange heat, improved film coefficient of heat transfer, and when in fins set, or the height that make wave band shape fin not identical with wave number of the waveform on adjacent wave band shape fin increases progressively gradually along the air flow channel direction of substrate or flue gas flow channel direction, can further add the disturbance of air blast, reach better heat-transfer effect, the 3rd, be convenient to control the flow velocity of air-flow, spacing when air flow rate is little, between two fin substrates is large and need to improve flow velocity time, can select the waveform of two fins set on fin substrate to move towards inconsistent structure, spacing when air flow rate is large, between two fin substrates is less and need to reduce flow velocity time, can select two fin waveforms on fin substrate move towards to match consistent structure, the 4th, the ashes that fin surface is accumulated have the automatic cleaning action of purging, special for the cast sheet regenerative air heater in the narrow gap of large flow, when air or flue gas high velocity stream are during through wave band shape fin surperficial, continuous variation along with waveform air flow path, disturbance ground air-flow can wash away the ashes that are deposited on fin surface, the effect of fins set supporting ashes is weakened, thereby further increased on the whole heat exchange efficiency, for the research and development of the casting fin plate heat exchange unit of the large flow of large area under worst hot case and narrow gap provide technical foundation.
Accompanying drawing explanation
Utilize accompanying drawing to be described further application, but embodiment in accompanying drawing do not form any restriction of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation of the cast sheet regenerative air heater of prior art.
Fig. 2 is the structural representation of casting fin plate heat exchange unit of the cast sheet regenerative air heater of prior art.
Fig. 3 is the partial structurtes schematic diagram of the embodiment 1 of a kind of wave band wing cast sheet regenerative air heater of the present utility model.
Fig. 4 is the partial structurtes schematic diagram of the embodiment 3 of a kind of wave band wing cast sheet regenerative air heater of the present utility model.
Fig. 5 is the partial structurtes schematic diagram of the embodiment 4 of a kind of wave band wing cast sheet regenerative air heater of the present utility model.
Fig. 6 is the partial structurtes schematic diagram of the embodiment 5 of a kind of wave band wing cast sheet regenerative air heater of the present utility model.
Fig. 7 is the partial structurtes schematic diagram of the embodiment 6 of a kind of wave band wing cast sheet regenerative air heater of the present utility model.
In Fig. 1 to Fig. 7, include:
1---smoke inlet,
2---housing,
3---heat exchange element,
31---substrate,
311---fin
312---straight fins, 313---mixing fin,
314---wave band shape fin, 3141---single wave-wave section shape fin, 3142---double wave wave band shape fin,
32---sealing surface,
4---air outlet slit, 5---hermetically-sealed construction, 6---air intake, 7---exhanst gas outlet, 8---cover plate,
9---sealing gasket, 10---sealing bolt,
11---perforate,
A---flue gas flow channel direction, B---air flow channel direction.
The specific embodiment
With the following Examples the utility model is further described.
embodiment 1
One of specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, shown in figure 1 and Fig. 2, in Fig. 1, include housing 2, smoke inlet 1, exhanst gas outlet 7, air intake 6, air outlet slit 4, and be arranged at heat exchange element 3 and the hermetically-sealed construction 5 in housing 2, heat exchange element 3 includes a plurality of casting fin plate heat exchange units, in Fig. 2, cast the fins set that fin plate heat exchange unit includes substrate 31 and is arranged at substrate 31, casting fin plate heat exchange unit is arranged by 31 alignment of two substrates, and by sealing bolt 10, wear the be tightly connected sealing surface 32 of its end, edge of sealing bolt hole respectively.The material of heat exchange element 3 is casting or alloy manufacture, two substrates 31 of casting fin plate heat exchange unit form a casting fin plate heat exchange unit by the be tightly connected sealing surface 32 at its two ends of sealing bolt 10, a plurality of casting fin plate heat exchange units link together and form heat exchange element module, and several heat exchange element module assembleds become a wave band wing cast sheet regenerative air heater.
Concrete, innovative point of the present utility model is: as shown in Figure 3, in being arranged at the fins set of substrate 31, casting fin plate heat exchange unit includes the fins set of wave band shape fin 314, wave band shape fin 314 is vertically installed in substrate, and the top and bottom of wave band shape fin 314 are all in wave shape, the sidewall between the top and bottom of this wave band shape fin 314 forms the curved surface of waveform thus.According to air-flow change of flow state, wave band shape fin 314 can be selected the wave band shape fin 314 of single ripple, or the wave band shape fin 314 of double wave, or the wave band shape fin 314 of many ripples.
Concrete, innovative point of the present utility model is: the fins set of substrate one side is set to the fins set of wave band shape fin 314, the fins set of substrate opposite side is set to fins set or the non-finned of straight fins.
Compared with prior art, the fin that the utility model overcomes the cast sheet regenerative air heater existence of prior art easily accumulates ashes, at fin surface, easily produce stable laminar flow, heat exchange efficiency is low and be not suitable for the problems such as the narrow interstitial structure design of large flow, adopt wave band shape fin 314 to increase the heat exchange area of fin, simultaneously because the top and bottom of wave band shape fin 314 are all in wave shape, thereby on the gas channel of the two side of wave band shape fin 314, form the waveform running path of a plurality of segmentation bendings, air or flue gas are caused in flowing perturb and form turbulent flow, thereby the more direct exchange heat of generation between the gas of wave band shape fin 314 sidewalls of flowing through and the gas on main channel, improved film coefficient of heat transfer.
When air or flue gas high velocity stream are during through wave band shape fin 314 surperficial, continuous variation along with waveform air flow path, disturbance ground air-flow can wash away the ashes that are deposited on fin surface, the effect of fins set supporting ashes is weakened, thereby further increased on the whole heat exchange efficiency, for the research and development of the casting fin plate heat exchange unit of the large flow of large area under worst hot case and narrow gap provide technical foundation.
A kind of wave band wing cast sheet regenerative air heater of the present utility model, in the smoke pre-heating recovery system of all kinds of devices that can be applicable to the newly-built of oil plant or transform, the structural principle that it is new and manufacturing technology have overcome the shortcoming of prior art casting air preheater, reduce cleaning and maintenance cost, can be widely used in being applicable in various oil refining, chemical industry, chemical fertilizer plant, and there is larger economic benefit.
Two of the specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, the main technical schemes of the present embodiment is identical with embodiment 1, and unaccounted feature, adopts the explanation in embodiment 1 in the present embodiment, at this, no longer repeats.The difference of the present embodiment and embodiment 1 is, in casting fin plate heat exchange unit, the fins set of substrate both sides is the fins set for consisting of wave band shape fin 314 all, heat exchange efficiency further increases, and can thoroughly solve the problem that fin easily accumulates ashes, and the fins set structure of substrate both sides is close, be conducive to manufacture.
When air flow rate is little, the spacing of 31 of two fin substrates is large and need to improve flow velocity time, can select the waveform of two fins set on fin substrate 31 to move towards inconsistent structure; When air flow rate is large, the spacing of 31 of two fin substrates is less and need to reduce flow velocity time, can select two fin waveforms on fin substrate 31 move towards to match consistent structure.
Three of the specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, as shown in Figure 4, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation in embodiment 1, at this, no longer repeat.The difference of the present embodiment and embodiment 1 is, the fins set that is arranged at substrate 31 1 sides or both sides consists of double wave wave band shape fin 3142 and straight fins 312, and wherein double wave wave band shape fin 3142 and straight fins 312 can be distinguished in a row or mix and arrange.
Four of the specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, as shown in Figure 5, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation in embodiment 1, at this, no longer repeat.The difference of the present embodiment and embodiment 1 is, being arranged at the fins set that mixing fin 313 that the fins set of substrate 31 1 sides or both sides is connected by double wave wave band shape fin and straight fins and wave band shape fin 314 form forms, this mixing fin 313 is divided into two sections, wherein one section of fin is double wave shape, another section of fin shape is straight wing, this mixes fin 313 and wave band shape fin 314 can be distinguished in a row or mix and arrange, and the fins set of the present embodiment combines the advantage of wave band shape fin and straight fins.
embodiment 5
Five of the specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, as shown in Figure 6, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation in embodiment 1, at this, no longer repeat.The difference of the present embodiment and embodiment 1 is, be arranged in the fins set of substrate 31 1 sides or both sides, on wave-wave section shape fin 314, be provided with perforate 11, perforate 11 can increase perturbing air-flow, strengthened the air-flow of wave band shape fin 314 sidewalls and the heat exchange between the air-flow on main channel, and the effect of fins set supporting ashes is weakened.
embodiment 6
Six of the specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, the main technical schemes of the present embodiment is identical with embodiment 1, and unaccounted feature, adopts the explanation in embodiment 1 in the present embodiment, at this, no longer repeats.The difference of the present embodiment and embodiment 1 is, include in the fins set of wave band shape fin 314, waveform on wave band shape fin 314 and wave number are not identical, as shown in Figure 7, the fins set that is arranged at substrate 31 both sides consists of double wave wave band shape fin 3142 and single wave-wave section shape fin 3141, double wave wave band shape fin 3142 and single wave-wave section shape fin 3141 can be distinguished in a row or mix and arrange, thereby heat exchange efficiency is further increased, and the ashes that are deposited on fin surface are washed away.
embodiment 7
Seven of the specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, the main technical schemes of the present embodiment is identical with embodiment 1, and unaccounted feature, adopts the explanation in embodiment 1 in the present embodiment, at this, no longer repeats.The difference of the present embodiment and embodiment 1 is, include in the fins set of wave band shape fin 314, waveform trend on adjacent wave band shape fin 314 is contrary, air flow path with the sidewall of the wave band shape fin 314 that further makes to flow through constantly changes, strengthen perturbing of air-flow, improve heat exchange efficiency, and be conducive to the ashes that are deposited on fin surface to wash away.
embodiment 8
Eight of the specific embodiment of a kind of wave band wing cast sheet regenerative air heater of the present utility model, the main technical schemes of the present embodiment is identical with embodiment 1, and unaccounted feature, adopts the explanation in embodiment 1 in the present embodiment, at this, no longer repeats.The difference of the present embodiment and embodiment 1 is, include in the fins set of wave band shape fin 314, the height of wave band shape fin 314 increases progressively gradually along air flow channel direction or the flue gas flow channel direction of substrate, on the wave-shaped side wall at wave band shape fin 314, form flow perturbation, the height that increases fin can form flow perturbation above wave band shape fin 314, thereby greatly strengthened air or the flue gas heat-transfer effect in flowing, and can thoroughly solve the problem that fin easily accumulates ashes.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. a wave band wing cast sheet regenerative air heater, include housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and be arranged at heat exchange element and the hermetically-sealed construction in housing, described heat exchange element includes a plurality of casting fin plate heat exchange units, the fins set that described casting fin plate heat exchange unit includes substrate and is arranged at substrate, casting fin plate heat exchange unit is arranged by two substrate alignment, and respectively by the be tightly connected sealing surface of its end, edge of sealing bolt, it is characterized in that: the fins set that includes wave band shape fin in described casting fin plate heat exchange unit is arranged at the fins set of substrate, described wave band shape fin vertically arranges and/or is obliquely installed in described substrate, and the top and bottom of described wave band shape fin are all in wave shape.
2. a kind of wave band wing cast sheet regenerative air heater according to claim 1, it is characterized in that: the fins set of described substrate one side is set to the fins set of described wave band shape fin, the fins set of described substrate opposite side is set to fins set or the non-finned of straight fins.
3. a kind of wave band wing cast sheet regenerative air heater according to claim 1, is characterized in that: the fins set of described substrate both sides is all set to the fins set of described wave band shape fin.
4. a kind of wave band wing cast sheet regenerative air heater according to claim 1, is characterized in that: in the fins set of described substrate one side or both sides, be set to the mixing fins set that consists of described wave band shape fin and straight fins.
5. a kind of wave band wing cast sheet regenerative air heater according to claim 1, is characterized in that: in the fins set of described substrate one side or both sides, be set to the mixing fins set that the mixing fin that is connected by wave band shape fin and straight fins and wave band shape fin form.
6. according to a kind of wave band wing cast sheet regenerative air heater described in any one in claim 1 to 5, it is characterized in that: on described wave band shape fin, be provided with perforate.
7. according to a kind of wave band wing cast sheet regenerative air heater described in claim 1 to 5 any one, it is characterized in that: described in include waveform and all identical settings of wave number of wave band shape fin described in the fins set of wave band shape fin.
8. according to a kind of wave band wing cast sheet regenerative air heater described in claim 1 to 5 any one, it is characterized in that: described in include the waveform setting not identical with wave number of wave band shape fin described in the fins set of wave band shape fin.
9. according to a kind of wave band wing cast sheet regenerative air heater described in claim 1 to 5 any one, it is characterized in that: described in to include waveform on described wave band shape fin adjacent in the fins set of wave band shape fin trend be contrary.
10. according to a kind of wave band wing cast sheet regenerative air heater described in claim 1 to 5 any one, it is characterized in that: described in include the described wave band shape fin in the fins set of wave band shape fin height along air flow channel direction or the flue gas flow channel direction of described substrate, increase progressively gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439943.5U CN203432434U (en) | 2013-07-23 | 2013-07-23 | Band fin cast plate-type air pre-heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439943.5U CN203432434U (en) | 2013-07-23 | 2013-07-23 | Band fin cast plate-type air pre-heater |
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| Publication Number | Publication Date |
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| CN203432434U true CN203432434U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320439943.5U Expired - Lifetime CN203432434U (en) | 2013-07-23 | 2013-07-23 | Band fin cast plate-type air pre-heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389002A (en) * | 2013-07-23 | 2013-11-13 | 茂名重力石化机械制造有限公司 | Waveband fin cast plate air preheater |
| CN107121000A (en) * | 2017-06-14 | 2017-09-01 | 大连理工大学 | A kind of efficient plate-fin heat exchanger of inner-heating tube |
| CN107995837A (en) * | 2017-12-28 | 2018-05-04 | 深圳红河马智能数字动力技术有限公司 | Air-cooled, water cooling two uses radiator |
-
2013
- 2013-07-23 CN CN201320439943.5U patent/CN203432434U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389002A (en) * | 2013-07-23 | 2013-11-13 | 茂名重力石化机械制造有限公司 | Waveband fin cast plate air preheater |
| CN103389002B (en) * | 2013-07-23 | 2016-07-06 | 茂名重力石化机械制造有限公司 | A kind of waveband fin cast plate air preheater |
| CN107121000A (en) * | 2017-06-14 | 2017-09-01 | 大连理工大学 | A kind of efficient plate-fin heat exchanger of inner-heating tube |
| CN107121000B (en) * | 2017-06-14 | 2022-11-15 | 大连理工大学 | High-efficiency plate-fin heat exchanger with built-in heat exchange tubes |
| CN107995837A (en) * | 2017-12-28 | 2018-05-04 | 深圳红河马智能数字动力技术有限公司 | Air-cooled, water cooling two uses radiator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: THE CHALLENGE PETROCHEMICAL MACHINERY Corp. Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: THE CHALLENGE PETROCHEMICAL MACHINERY Corp. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
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| CX01 | Expiry of patent term |