CN104236337A - Heat exchanger for semicoke residual heat utilization - Google Patents
Heat exchanger for semicoke residual heat utilization Download PDFInfo
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- CN104236337A CN104236337A CN201410511779.3A CN201410511779A CN104236337A CN 104236337 A CN104236337 A CN 104236337A CN 201410511779 A CN201410511779 A CN 201410511779A CN 104236337 A CN104236337 A CN 104236337A
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Abstract
The invention relates to a heat exchanger for semicoke residual heat utilization and belongs to the field of semicoke processing equipment. The heat exchanger comprises an annular external upper header (10) and a plurality of annular external lower headers (2), wherein N connecting pipes (13) are uniformly arranged along the length direction of the external upper header (10), the two ends of each connecting pipe (13) are fixedly connected and communicated with the two long sides of the external upper header (10) respectively, and the external upper header (10) and the connecting pipes (13) jointly form N+1 rectangular rings; the external lower headers (2) are arranged just below the rectangular rings, the rectangular rings and the corresponding external lower headers (2) are fixedly connected and communicated through a plurality of external heat exchange pipes (11), a heat conducting baffle (8) is fixedly arranged between every two adjacent external heat exchange pipes (11), so as to enclose N+1 semicoke flow passages, and a material guiding device is arranged at an inlet of each semicoke flow passage. The heat exchanger has the advantages of semicoke dry-distillation, blowdown efficient-cooling, residual heat recovery, uniformity in semicoke blanking, uniformity in heat exchange and the like.
Description
Technical field
Blue charcoal waste heat utilization heat exchanger, belongs to blue charcoal process equipment field.
Background technology
Blue charcoal be with Jurassic Period dross coal and weakly caking coal for raw material, the solid matter of a kind of high fixed carbon content of low temperature distillation explained hereafter in employing, there is high fixed carbon, high specific resistance, high chemism, many specific areas, Heat stability is good and the low ash of spy, special low-sulfur, the special feature such as low-phosphorous, be widely used in production and the sphere of lifes such as calcium carbide, ferroalloy, chemical fertilizer gas-making, blast furnace blowing and city dweller's cleaning coal.Blue charcoal relies on its good characteristic to be rapidly developed in recent years, is that the western coal of China transforms one of effective way of comprehensive utilization.
In generally adopting at present, blue charcoal produced by low temperature distillation stove, simultaneously by-product coal tar and coke-stove gas.Feed coal declines gradually in gas retort, successively through dryer section, and retort section and cooling section.The blue charcoal that pyrolysis is formed is by after the cooling of furnace bottom Water cooling jacket type coke discharge box, and be pushed in coke quenching pool by ram, use clear water quenching, blue charcoal is delivered in coal gas dryer and carried out drying by scrapper conveyor.There is following problem in above-mentioned water-cooled quenching: (1), the blue charcoal temperature released from carbonization chamber are at about 550 DEG C, and during coke wet quenching, blue charcoal sensible heat is all wasted; (2), blue charcoal chance water Quench is fragile is cleaved into fritter; (3), blue charcoal delivers in coal gas dryer and carries out drying by scrapper conveyor, a large amount of coal gas of extra consumption; (4), a large amount of water resources is consumed; (5), in coke wet quenching process, red blue charcoal is met water and is produced a large amount of organic gas and steam, is directly discharged in the middle of air, contaminated environment.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, one is provided to realize blue charcoal destructive distillation, discharge high efficiency cooling and waste heat recovery, blue charcoal uniform blanking, the uniform blue charcoal waste heat utilization heat exchanger of heat exchange, effectively overcomes or avoids the shortcoming that exists in above-mentioned prior art or deficiency.
The technical solution adopted for the present invention to solve the technical problems is: this blue charcoal waste heat utilization heat exchanger, it is characterized in that: the outer lower header comprising an annular outer upper collecting chamber and multiple annular, N number of tube connector is evenly arranged along on described outer upper collecting chamber length direction, the central shaft of tube connector and the long axis normal of outer upper collecting chamber, the two ends of tube connector are fixedly connected with two long limits of outer upper collecting chamber and communicate respectively, and outer upper collecting chamber forms N+1 straight-flanked ring together with tube connector; Outer lower header has N+1, and lay respectively at immediately below straight-flanked ring described in each, N is the arbitrary integer between 1 ~ 5;
Be fixedly connected with by many outer heat exchanger tubes and communicate between described straight-flanked ring and corresponding outer lower header, heat conduction baffle plate is all fixed with between two adjacent outer heat exchanger tubes, heat conduction baffle plate upper end is fixedly connected with described straight-flanked ring, lower end is fixedly connected with outer lower header, and straight-flanked ring, outer lower header, outer heat exchanger tube surround N+1 blue charcoal flow channel together with heat conduction baffle plate;
Outer lower header is communicated with external heat exchanger water supply arm, and each described straight-flanked ring correspondence is provided with an external heat exchanger exit branch, and external heat exchanger exit branch one end is communicated with outer upper collecting chamber, and the other end is communicated with external heat exchanger outfall sewer;
Material guide device is respectively equipped with in the porch of described each blue charcoal flow channel.
Preferably, in the middle of described material guide device, wide, upper and lower two ends are narrow, material guide device top is positioned at the top of outer upper collecting chamber, material guide device bottom is positioned at described blue charcoal flow channel, the axis of material guide device and the axis being parallel of tube connector, material guide device rear and front end is fixedly connected with the medial surface of blue charcoal flow channel respectively.
Preferably, two sides of described blue charcoal flow channel upper collecting chamber length direction are outside inclined plane, and described inclined plane is tilted to blue charcoal flow channel gradually from top to bottom;
Described material guide device is rhombus, and the inclined plane of two of material guide device downside difference described blue charcoal flow channel is corresponding thereto parallel.
Further, interior upper collecting chamber and interior lower header is also provided with in described blue charcoal flow channel, many interior heat exchanger tubes are fixedly connected with interior lower header with interior upper collecting chamber respectively and communicate, and many interior heat exchanger tubes are divided into N+1 group, and the interior heat exchanger tube of each group is positioned at a described blue charcoal flow channel.
Preferably, described interior upper collecting chamber is the straight steel pipe of a horizontally set, interior upper collecting chamber passes the heat conduction baffle plate of each blue charcoal flow channel both sides along described outer upper collecting chamber length direction, in the middle part of interior upper collecting chamber, at least one place is fixedly connected with corresponding heat conduction baffle plate, and other positions of interior upper collecting chamber and corresponding heat conduction baffle plate are obtained by telescoping mechanism and be connected.
Preferably, described telescoping mechanism comprises sleeve pipe, airtight and watertight padding and gland, and sleeve pipe is fixedly connected with heat conduction baffle plate, and interior upper collecting chamber is through the endoporus of sleeve pipe, and airtight and watertight padding is fixed between sleeve pipe and gland, and the wall contacts of airtight and watertight padding and interior upper collecting chamber is formed and seals.
Preferably, described airtight and watertight padding is filled in the annulus between sleeve pipe and interior upper collecting chamber, and airtight and watertight padding compresses by the outer end that gland is axially fixed in sleeve pipe.
Preferably, described interior lower header is a straight steel pipe, to be deep in blue charcoal flow channel described in each and to be fixedly connected with heat conduction baffle plate, the two ends of interior lower header are provided with shrouding, interior lower header between adjacent two blue charcoal flow channels is provided with an interior heat exchanger feed pipe, and interior heat exchanger feed pipe is fixedly connected with interior lower header and communicates.
Preferably, the angle between the inclined plane of described blue charcoal flow channel and vertical plane is 5 ° ~ 15 °.
Preferably, the top of described outer upper collecting chamber is fixedly connected with a upper flange plate, is fixedly connected with a lower flange plate in the bottom of each outer lower header.
Compared with prior art, the beneficial effect that the technique scheme of this blue charcoal waste heat utilization heat exchanger has is:
1, a heat exchanger is divided into multiple blue charcoal flow channel, when keeping whole heat exchanger appearance and size constant, considerably increase heat exchange area on the one hand, effectively reduce the heat transfer distances in heat exchanger between material and outer heat exchanger tube on the other hand, thus significantly improve exchange capability of heat and the material cooling uniformity of heat exchanger, solve the hypodynamic problem of heat-energy transducer of excessive, the single material flow passage heat exchanger of withdrawal rate of blue charcoal gas retort discharge gate.
2, a material guide device is set up on the top of each blue charcoal flow channel, the blue charcoal flow channel of the charging aperture number ratio of heat exchanger is doubled, effectively reduce the sectional area of charging aperture, ensure that being positioned at the blue charcoal of destructive distillation indoor above heat exchanger falls comparatively equably, the feed gap dimension efficiently solved because of blue charcoal flow channel causes comparatively greatly the blue charcoal decrease speed in blue charcoal flow channel center to be greater than the problem of the blue charcoal decrease speed in both sides, ensures that heat exchange is even.
3, two downsides difference blue charcoal flow channel inclined planes corresponding thereto of material guide device are parallel, in blue charcoal flow channel, the flow channel area of material guide device both sides keeps local invariant up and down, thus blue charcoal is even at this partial-flow, overcome the problem that the blue charcoal decrease speed in heat exchanger center is greater than the blue charcoal decrease speed in both sides further, ensure the uniformity of heat exchange.
4, the blue charcoal temperature on heat exchanger top is higher, the thermal expansion of interior upper collecting chamber and the thermal expansion of external heat exchanger inconsistent, interior upper collecting chamber is connected with heat conduction baffle plate by telescoping mechanism, interior upper collecting chamber and heat conduction baffle plate can relative slidings, both the thermal expansion inconsistence problems of interior upper collecting chamber and external heat exchanger had been solved, improve heat exchanger functional reliability, solve again the problem of gas leak, improve heat exchanger job security.
5, airtight and watertight padding is filled in the annulus between sleeve pipe and interior upper collecting chamber, utilizes gland press seal filler, and airtight and watertight padding can be made to be out of shape thus compress outside interior upper collecting chamber, ensure that the reliability of sealing, structure is simple.
6, the as a whole structure of this blue charcoal waste heat utilization heat exchanger, and adopt a upper flange plate to be connected with gas retort discharge gate, be convenient to install.
Accompanying drawing explanation
Fig. 1 is the section of structure of this blue charcoal waste heat utilization heat exchanger.
Fig. 2 is left view embodiment illustrated in fig. 1.
Fig. 3 is A-A profile embodiment illustrated in fig. 1.
Fig. 4 is B-B profile embodiment illustrated in fig. 1.
Fig. 5 is C partial enlarged drawing embodiment illustrated in fig. 1.
In figure: 1, lower flange plate 2, outer lower header 3, interior heat exchanger feed pipe 4, interior lower header 5, shrouding 6, interior heat exchanger tube 7, interior upper collecting chamber 8, heat conduction baffle plate 9, upper flange plate 10, outer upper collecting chamber 11, outer heat exchanger tube 12, material guide device 13, tube connector 14, sleeve pipe 15, gland 16, airtight and watertight padding 17, bolt 18, nut 19, external heat exchanger exit branch 20, external heat exchanger outfall sewer 21, external heat exchanger water supply arm 22, external heat exchanger water main.
Detailed description of the invention
Fig. 1 ~ 5 are most preferred embodiments of this blue charcoal waste heat utilization heat exchanger, and below in conjunction with accompanying drawing 1 ~ 5, the present invention will be further described.
With reference to Fig. 1, this blue charcoal waste heat utilization heat exchanger, comprise the outer lower header 2 of an annular outer upper collecting chamber 10 and multiple annular, N number of tube connector 13 is evenly arranged along on described outer upper collecting chamber 10 length direction, the central shaft of tube connector 13 and the long axis normal of outer upper collecting chamber 10, the two ends of tube connector 13 are fixedly connected with two long limits of outer upper collecting chamber 10 and communicate respectively, and outer upper collecting chamber 10 forms N+1 straight-flanked ring together with tube connector 13, and N is the arbitrary integer between 1 ~ 5; Outer lower header 2 has N+1, lays respectively at immediately below straight-flanked ring described in each;
Be fixedly connected with by many outer heat exchanger tubes 11 and communicate between described straight-flanked ring and corresponding outer lower header 2, heat conduction baffle plate 8 is all fixed with between adjacent two outer heat exchanger tubes 11, heat conduction baffle plate 8 upper end is fixedly connected with described straight-flanked ring, lower end is fixedly connected with outer lower header 2, and straight-flanked ring, outer lower header 2, outer heat exchanger tube 11 surround N+1 blue charcoal flow channel together with heat conduction baffle plate 8;
Outer lower header 2 is communicated with external heat exchanger water supply arm 21, and each described straight-flanked ring correspondence is provided with an external heat exchanger exit branch 19, and external heat exchanger exit branch 19 one end is communicated with outer upper collecting chamber 10, and the other end is communicated with external heat exchanger outfall sewer 20;
Material guide device is respectively equipped with in the porch of described each blue charcoal flow channel.
The human hairs such as the Wang Zuofeng of this seminar understand a kind of cooling water jacket of petroleum coke can-type calcine furnace (ZL200810139761.X), be made up of one-level heat-exchanger rig and secondary heat exchange device, one-level heat-exchanger rig comprises an annular upper collecting chamber and an annular lower header, many heat exchanger tubes are fixedly communicated with annular lower header with annular upper collecting chamber, are provided with heat conduction baffle plate between heat exchanger tube; Secondary heat exchange device is provided with in the high-temperature material passage that one-level heat-exchanger rig surrounds.This invention adopts the one-level heat-exchanger rig for surrounding high-temperature material passage to cool high-temperature calcination petroleum coke with the secondary heat exchange device being positioned at high-temperature material channel center simultaneously, and cooling effect obtains larger improvement.On this patent of invention (ZL200810139761.X) basis, the human hairs such as the Liu Yongqi of this seminar understand a kind of discharged material cooling device of pot calcination furnace for petroleum coke (ZL201110187100.6), in it, heat exchanger comprises an interior upper collecting chamber and an interior lower header, and many interior heat exchanger tubes are fixedly connected with interior lower header with interior upper collecting chamber respectively and communicate; In the heat exchanger tube and inner ring heat exchanger of external heat exchanger, heat exchanger tube is provided with longitudinal fin, interior heat exchanger tube fin and outer heat exchanger tube fin are all deep into the inside of high-temperature material, further enhance the heat exchange of heat-exchanger rig and high-temperature calcination petroleum coke, have high-temperature material cooling evenly, cooling velocity is fast, dump temperature is low, utilization rate of waste heat advantages of higher.Above-mentioned two patents of invention solve high-temperature calcination petroleum coke Quick uniform cooling problem, and the waste heat adopting these two kinds of heat-exchanger rigs to achieve high-temperature calcination petroleum coke directly utilizes.The thinking of high-temperature calcination petroleum coke heat-exchanger rig can be used for reference to realize quick cooling and the UTILIZATION OF VESIDUAL HEAT IN of blue charcoal.But, because calcining process of petroleum cokes and blue charcoal distillation process also exist larger difference: the withdrawal rate of (1) each calcined petroleum coke discharge gate is 80-130kg/h, and the withdrawal rate of each blue charcoal destructive distillation discharge gate is about 1000kg/h, its heat-exchanger rig needs larger cooling heat transferring ability; (2) blue charcoal gas retort discharge gate length is generally about 3 meters, be far longer than calcined petroleum coke discharge gate length about 1.5 meters, if the calcined petroleum coke heat-exchanger rig that directly employing one is wide at the top and narrow at the bottom cools blue charcoal, reducing angle up and down along heat-exchanger rig length direction is excessive, the blue charcoal decrease speed being positioned at heat-exchanger rig center is easily caused to be greater than the blue charcoal decrease speed of both sides, thus cause the time of staying difference of blue charcoal in gas retort comparatively large, affect the quality of blue charcoal; (3) produce a large amount of coal gas in process of production, need strictly to seal.Therefore, can not directly utilize high-temperature calcination petroleum coke heat-exchanger rig to cool blue charcoal.
Heat exchanger is divided into multiple blue charcoal flow channel by tube connector 13, outer heat exchanger tube 11 and heat conduction baffle plate 8 by the present invention, when keeping whole heat exchanger appearance and size constant, considerably increase heat exchange area on the one hand, effectively reduce the heat transfer distances in heat exchanger between material and outer heat exchanger tube on the other hand, thus significantly improve exchange capability of heat and the material cooling uniformity of heat exchanger, solve the hypodynamic problem of heat-energy transducer of excessive, the single material flow passage heat exchanger of withdrawal rate of blue charcoal gas retort discharge gate.Material guide device effectively reduces the sectional area of blue charcoal flow channel charging aperture, ensure that being positioned at the blue charcoal of destructive distillation indoor above heat exchanger falls comparatively equably, the feed gap dimension efficiently solved because of blue charcoal flow channel causes comparatively greatly the blue charcoal decrease speed in blue charcoal flow channel center to be greater than the problem of the blue charcoal decrease speed in both sides, ensures that heat exchange is even.
Below in conjunction with specific embodiment, blue charcoal waste heat utilization heat exchanger of the present invention is described further.
With reference to Fig. 1, the blue charcoal waste heat utilization heat exchanger of the present embodiment comprises the external heat exchanger surrounding high-temperature material passage and the heat exchanger being positioned at material channel center, external heat exchanger comprises two annular outer lower headers 2 and an annular outer upper collecting chamber 10, many outer heat exchanger tubes 11 are fixedly connected with outer upper collecting chamber 10 with outer lower header 2 and communicate respectively, all be provided with heat conduction baffle plate 8 between adjacent two outer heat exchanger tubes 11, heat conduction baffle plate 8 respectively heat exchanger tube 11 outer with two, outer upper collecting chamber 10 is fixedly connected with outer lower header 2.
Outer upper collecting chamber 10 is rectangle, or outer upper collecting chamber 10 can also be narrow limit, also can be the rectangle like of arc, in the ring of upper collecting chamber 10 outside, a tube connector 13 is arranged along on outer upper collecting chamber 10 length direction, the central shaft of tube connector 13 and the long axis normal of outer upper collecting chamber 10, the two ends of tube connector 13 are fixedly connected with two long limits of outer upper collecting chamber 10 and communicate respectively, and outer upper collecting chamber 10 forms two straight-flanked rings together with tube connector 13.Two annular outer lower headers 2 lay respectively at immediately below two straight-flanked rings.Be in tilted layout two exclusive heat exchanger tubes 11 below tube connector 13, and the upper end of each exclusive heat exchanger tube 11 is fixedly connected with tube connector 13 and communicates, and lower end is fixedly connected with outer lower header 2 and communicates.In each exclusive heat exchanger tube 11, be all provided with heat conduction baffle plate 8 between adjacent two outer heat exchanger tubes 11, each heat conduction baffle plate 8 is fixedly connected with outer lower header 2 with described two heat exchanger tubes 11, tube connector 13.Outer upper collecting chamber 10, tube connector 13, outer lower header 2, outer heat exchanger tube 11 surround two blue charcoal flow channels together with heat conduction baffle plate 8.Wider blue charcoal heat exchanger is divided into two blue charcoal flow channels, when keeping whole heat exchanger appearance and size constant, considerably increase heat exchange area on the one hand, effectively reduce the heat transfer distances in heat exchanger between material and outer heat exchanger tube 11 on the other hand, thus significantly improve exchange capability of heat and the material cooling uniformity of heat exchanger, solve the hypodynamic problem of heat-energy transducer of excessive, the single material flow passage heat exchanger of withdrawal rate of blue charcoal gas retort discharge gate.
The top of upper collecting chamber 10 is fixedly connected with a upper flange plate 9 outside, for being connected and installed of heat exchanger and blue charcoal gas retort discharge gate.Be fixedly connected with a lower flange plate 1 in the bottom of each outer lower header 2, for being connected and installed of heat exchanger and secondary cooling device (not shown in FIG.), be connected and installed conveniently.
Interior heat exchanger comprises heat exchanger tube 6 in an interior upper collecting chamber 7, interior lower header 4 and Duo Gen.Interior upper collecting chamber 7 is a straight steel pipe, and pass two heat conduction baffle plates 8 of each blue charcoal flow channel along outer upper collecting chamber 10 length direction, the outside that its two ends reach external heat exchanger is respectively connected with return pipe; Interior upper collecting chamber 7 is directly fixedly connected with two heat conduction baffle plates 8 of tube connector 13 bottom.Heat transfer distances can be shortened further by interior heat exchanger, improve heat transfer effect, external heat exchanger can certainly be adopted separately to carry out heat exchange.
Interior lower header 4 is a straight steel pipe, to be deep in each blue charcoal flow channel and to be fixedly connected with heat conduction baffle plate 8.The two ends of interior lower header 4 are provided with shrouding, are blocked at the two ends of interior lower header 4.Be provided with an interior heat exchanger feed pipe 3 at the middle part of interior lower header 4, interior heat exchanger feed pipe 3 is fixedly connected with interior lower header 4 and communicates.Many interior heat exchanger tubes 6 are divided into two groups, and the interior heat exchanger tube 6 of each group is positioned at a blue charcoal flow channel, and the two ends of interior heat exchanger tube 6 are fixedly connected with interior upper collecting chamber 7 with interior lower header 4 and communicate respectively.
The material guide device 12 of a rhombus is set on the top of each blue charcoal flow channel, material guide device 12 top is positioned at above upper flange plate 9, material guide device 12 bottom is positioned at blue charcoal flow channel and is fixedly connected with outer heat exchanger tube 11 with upper flange plate 9, outer upper collecting chamber 10, heat conduction baffle plate 8, the axis being parallel of its axis and tube connector 13.
In four sides of that be made up of outer heat exchanger tube 11 and heat conduction baffle plate 8, each blue charcoal flow channel, two sides that interior upper collecting chamber 7 passes are all inclined plane, inclined plane is tilted to blue charcoal flow channel gradually from top to bottom, preferably, angle between inclined plane and vertical plane is 5 ° ~ 15 °, test shows that blue charcoal is deteriorated in blue charcoal flow channel introversion inclined-plane place mobility, is unfavorable for heat exchange when the angle between inclined plane and vertical plane is greater than 15 °.Two downsides difference inclined planes corresponding thereto of the material guide device 12 of rhombus are parallel, in blue charcoal flow channel, the flow channel area of material guide device 12 both sides keeps local invariant up and down, thus blue charcoal is even at this partial-flow, overcome the problem that the blue charcoal decrease speed in blue charcoal flow channel center is greater than the blue charcoal decrease speed in both sides further, ensure the uniformity of heat exchange.
With reference to Fig. 2 ~ 3, two straight-flanked rings of external heat exchanger opposite side are respectively provided with an external heat exchanger exit branch 19, and external heat exchanger exit branch 19 one end is communicated with outer upper collecting chamber 10, and the other end is communicated with external heat exchanger outfall sewer 20.
With reference to Fig. 4, each outer lower header 2 of external heat exchanger side is provided with an external heat exchanger water supply arm 21, also just have two external heat exchanger water supply arms 21, one end of external heat exchanger water supply arm 21 is communicated with outer lower header 2, and the other end is communicated with external heat exchanger water main 22.
With reference to Fig. 5, interior upper collecting chamber 7 two ends are when through corresponding heat conduction baffle plate 8, sleeve pipe 14 is provided with between interior upper collecting chamber 7 and heat conduction baffle plate 8, sleeve pipe 14 is fixedly connected with heat conduction baffle plate 8, interior upper collecting chamber 7 passes heat conduction baffle plate 8 by the endoporus of sleeve pipe 14, filling airtight and watertight padding 16 in annulus between sleeve pipe 14 and interior upper collecting chamber 7, airtight and watertight padding 16 compresses by gland 15 under the effect of bolt 17 and nut 18, like this, upper collecting chamber 7 can stretch in sleeve pipe 14, is formed again and seal between sleeve pipe 14 and interior upper collecting chamber 7.The blue charcoal temperature on heat exchanger top is higher, the thermal expansion of interior upper collecting chamber 7 and the thermal expansion of external heat exchanger inconsistent, interior upper collecting chamber 7 is connected with heat conduction baffle plate 8 by telescoping mechanism, interior upper collecting chamber 7 and heat conduction baffle plate 8 can relative slidings, both the thermal expansion inconsistence problems of interior upper collecting chamber 7 and external heat exchanger had been solved, improve heat exchanger functional reliability, solve again the problem of gas leak, improve heat exchanger job security, airtight and watertight padding 16 is filled in the annulus between sleeve pipe 14 and interior upper collecting chamber 7, utilize gland press seal filler 16, airtight and watertight padding 16 can be made to be out of shape thus to compress outside interior upper collecting chamber 7, ensure that the reliability of sealing, structure is simple.
It is more than most preferred embodiment of the present invention, the present invention can also adopt other structures, two or more tube connector 13 can be adopted to form the blue charcoal flow channel of more than three or three, at least one place of interior upper collecting chamber 7 is fixedly connected with corresponding heat conduction baffle plate 8, interior other positions of upper collecting chamber 7 and corresponding heat conduction baffle plate 8 are slidably connected by telescoping mechanism, can be that one end of interior upper collecting chamber 7 is fixedly connected with corresponding heat conduction baffle plate 8, interior other positions of upper collecting chamber 7 and corresponding heat conduction baffle plate 8 are slidably connected by telescoping mechanism, but preferably, a place in the middle part of interior upper collecting chamber 7 or two places are fixedly connected with corresponding heat conduction baffle plate 8, interior other positions of upper collecting chamber 7 and corresponding heat conduction baffle plate 8 are slidably connected by telescoping mechanism.
The cross section of the material guide device 12 in the present invention can also be oval, also can be the sharp-pointed triangle in upper end.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a blue charcoal waste heat utilization heat exchanger, it is characterized in that: the outer lower header (2) comprising an annular outer upper collecting chamber (10) and multiple annular, N number of tube connector (13) is evenly arranged along on described outer upper collecting chamber (10) length direction, the central shaft of tube connector (13) and the long axis normal of outer upper collecting chamber (10), the two ends of tube connector (13) are fixedly connected with two long limits of outer upper collecting chamber (10) and communicate respectively, and outer upper collecting chamber (10) forms N+1 straight-flanked ring together with tube connector (13); Outer lower header (2) has N+1, and lay respectively at immediately below straight-flanked ring described in each, N is the arbitrary integer between 1 ~ 5;
Be fixedly connected with by many outer heat exchanger tubes (11) and communicate between described straight-flanked ring and corresponding outer lower header (2), heat conduction baffle plate (8) is all fixed with between two adjacent outer heat exchanger tubes (11), heat conduction baffle plate (8) upper end is fixedly connected with described straight-flanked ring, lower end is fixedly connected with outer lower header (2), and straight-flanked ring, outer lower header (2), outer heat exchanger tube (11) and heat conduction baffle plate (8) surround N+1 blue charcoal flow channel together;
Outer lower header (2) is communicated with external heat exchanger water supply arm (21), each described straight-flanked ring correspondence is provided with an external heat exchanger exit branch (19), external heat exchanger exit branch (19) one end is communicated with outer upper collecting chamber (10), and the other end is communicated with external heat exchanger outfall sewer (20);
Material guide device (12) is respectively equipped with in the porch of described each blue charcoal flow channel.
2. blue charcoal waste heat utilization heat exchanger according to claim 1, it is characterized in that: in the middle of described material guide device (12), wide, upper and lower two ends are narrow, material guide device (12) top is positioned at the top of outer upper collecting chamber (10), material guide device (12) bottom is positioned at described blue charcoal flow channel, the axis of material guide device (12) and the axis being parallel of tube connector (13), material guide device (12) rear and front end is fixedly connected with the medial surface of blue charcoal flow channel respectively.
3. blue charcoal waste heat utilization heat exchanger according to claim 1 and 2, it is characterized in that: two sides of described blue charcoal flow channel upper collecting chamber (10) length direction are outside inclined plane, and described inclined plane is tilted to blue charcoal flow channel gradually from top to bottom;
Described material guide device (12) is rhombus, and the inclined plane of two downsides difference described blue charcoal flow channel corresponding thereto of material guide device (12) is parallel.
4. blue charcoal waste heat utilization heat exchanger according to claim 1, it is characterized in that: in described blue charcoal flow channel, be also provided with interior upper collecting chamber (7) and interior lower header (4), many interior heat exchanger tubes (6) are fixedly connected with interior upper collecting chamber (7) with interior lower header (4) and communicate respectively, many interior heat exchanger tubes (6) are divided into N+1 group, and the interior heat exchanger tube (6) of each group is positioned at a described blue charcoal flow channel.
5. blue charcoal waste heat utilization heat exchanger according to claim 4, it is characterized in that: described interior upper collecting chamber (7) is the straight steel pipe of a horizontally set, interior upper collecting chamber (7) passes the heat conduction baffle plate (8) of each blue charcoal flow channel both sides along described outer upper collecting chamber (10) length direction, at least one place, interior upper collecting chamber (7) middle part is fixedly connected with corresponding heat conduction baffle plate (8), and interior upper collecting chamber (7) other positions and corresponding heat conduction baffle plate (8) are obtained by telescoping mechanism and be connected.
6. blue charcoal waste heat utilization heat exchanger according to claim 5, it is characterized in that: described telescoping mechanism comprises sleeve pipe (14), airtight and watertight padding (16) and gland (15), sleeve pipe (14) is fixedly connected with heat conduction baffle plate (8), interior upper collecting chamber (7) is through the endoporus of sleeve pipe (14), airtight and watertight padding (16) is fixed between sleeve pipe (14) and gland (15), and airtight and watertight padding (16) is formed with the wall contacts of interior upper collecting chamber (7) and seals.
7. blue charcoal waste heat utilization heat exchanger according to claim 6, it is characterized in that: described airtight and watertight padding (16) is filled in the annulus between sleeve pipe (14) and interior upper collecting chamber (7), airtight and watertight padding (16) compresses by the outer end that gland (15) is axially fixed in sleeve pipe (14).
8. blue charcoal waste heat utilization heat exchanger according to claim 4, it is characterized in that: described interior lower header (4) is a straight steel pipe, to be deep in blue charcoal flow channel described in each and to be fixedly connected with heat conduction baffle plate (8), the two ends of interior lower header (4) are provided with shrouding (5), interior lower header (4) between adjacent two blue charcoal flow channels is provided with an interior heat exchanger feed pipe (3), and interior heat exchanger feed pipe (3) is fixedly connected with interior lower header (4) and communicates.
9. blue charcoal waste heat utilization heat exchanger according to claim 3, is characterized in that: the angle between the inclined plane of described blue charcoal flow channel and vertical plane is 5 ° ~ 15 °.
10. blue charcoal waste heat utilization heat exchanger according to claim 1, is characterized in that: the top of described outer upper collecting chamber (10) is fixedly connected with a upper flange plate (9), is fixedly connected with a lower flange plate (1) in the bottom of each outer lower header (2).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697371A (en) * | 2015-04-02 | 2015-06-10 | 山东理工大学 | Large box type high-temperature material heat exchanger |
| CN106190207A (en) * | 2016-08-11 | 2016-12-07 | 中信重工机械股份有限公司 | A kind of large-scale pyrolysis installation |
| CN106190204A (en) * | 2016-07-11 | 2016-12-07 | 神木县三江煤化工有限责任公司 | A kind of waste heat recycling system for coal low temperature distillation stove and waste heat recycle method |
| CN115979010A (en) * | 2022-12-31 | 2023-04-18 | 山东金旺装备科技有限公司 | Waste heat utilization system of petroleum coke tank type calcining furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104697371A (en) * | 2015-04-02 | 2015-06-10 | 山东理工大学 | Large box type high-temperature material heat exchanger |
| CN106190204A (en) * | 2016-07-11 | 2016-12-07 | 神木县三江煤化工有限责任公司 | A kind of waste heat recycling system for coal low temperature distillation stove and waste heat recycle method |
| CN106190207A (en) * | 2016-08-11 | 2016-12-07 | 中信重工机械股份有限公司 | A kind of large-scale pyrolysis installation |
| CN106190207B (en) * | 2016-08-11 | 2018-12-25 | 中信重工机械股份有限公司 | A kind of large size pyrolysis installation |
| CN115979010A (en) * | 2022-12-31 | 2023-04-18 | 山东金旺装备科技有限公司 | Waste heat utilization system of petroleum coke tank type calcining furnace |
| CN115979010B (en) * | 2022-12-31 | 2024-03-19 | 山东金旺装备科技有限公司 | Petroleum coke tank calciner waste heat utilization system |
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