CN100458342C - High temperature heat furnace - Google Patents
High temperature heat furnace Download PDFInfo
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- CN100458342C CN100458342C CNB2007100226597A CN200710022659A CN100458342C CN 100458342 C CN100458342 C CN 100458342C CN B2007100226597 A CNB2007100226597 A CN B2007100226597A CN 200710022659 A CN200710022659 A CN 200710022659A CN 100458342 C CN100458342 C CN 100458342C
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The present invention discloses a high-temperature heating furnace which can be used long term, is difficult to be blocked and easy to maintenance, is safe and reliable and has simple structure, it includes: furnace, the side wall of furnace is opened with smoke gas inlet and outlet, two ends of furnace are equipped with dismountable upper and lower closure head separately, the lower closure head is equipped with ash channel; the chamber is equipped with convective pipe bundle device consisting of several convective pipe bundle units, each convective pipe bundle unit includes several convective water pipe, each convective water pipe in each convective pipe bundle unit is connected with the aerated water guiding pipe and falling water-supply pipe through the upper and lower header in the unit, each lower header is equipped with pollution discharge pipes; said chamber includes pressure resistance barrel and several cooling water pipes which are installed on the inner wall or the outer wall of the pressure resistance barrel, heat transfer layer is installed between the cooling water pipe and pressure resistance barrel, the cooling water pipe is connected with the aerated water guiding pipe and falling water-supply pipe through the upper and lower annular header. The invention mainly is used in the catalyze and cracking device in petrochemical industry.
Description
Technical field
The present invention relates to the high temperature heat furnace in the petroleum chemical industry catalytic cracking unit.
Background technology
High temperature heat furnace is a visual plant in the catalytic cracking unit in the petroleum chemical industry, about 400KPa pressure in the stove and thousands of degrees centigrade cooling high-temperature fume will be sent into, the temperature that makes flue gas arrive the high temperature heat furnace outlet drops to the temperature of a certain appointment, and the temperature of this appointment is usually about 700 ℃.As depicted in figs. 1 and 2, it is a kind of traditional double-cylinder type arranged in series high temperature heat furnace, comprise two by connecting the high temperature heat furnace that flue 6 is linked together, wherein: offer smoke inlet 18 on the sidewall of a high temperature heat furnace, offer bypass floss hole 17 and exhanst gas outlet 19 on the sidewall of another high temperature heat furnace, two furnace body of high-temperature heating furnace link to connect flue 6 on top, each high temperature heat furnace comprises body of heater 1 and last, low head 2 and 8, space in the body of heater is a furnace chamber, body of heater 1 comprises withstand voltage tube 101 and is arranged on withstand voltage liner on 101 inwalls that liner is made of heat-insulation layer 102 and refractory layer 103; Some nested type cooling water pipes pass the upper cover 2 that is arranged in furnace roof and insert furnace chamber, the structure of cooling water pipe comprises: the outer tube 3 and the interior pipe 4 that is arranged in the outer tube 3 that are the test tube shape, the outer wall sealing of the upper end of outer tube 3 and interior pipe 4, outer tube 3 offers carbonated drink outlet 5 on the tube wall near its upper end; The gap is left in the lower ending opening of interior pipe 4 and the bottom of outer tube 3, and the upper end of interior pipe 4 is a water inlet.Its operation principle is: the high-temperature flue gas that enters furnace chamber from smoke inlet 18 by with cooling water pipe water carry out heat exchange and reach the purpose that reduces self temperature, detailed process is: water is stored in the drum, and drum is positioned at the top of high temperature heat furnace, the water that flows in the cooling water pipe from drum is heated by high-temperature flue gas in furnace chamber, the steam water interface that adds thermosetting is back to the drum from carbonated drink outlet 5, its vapor portion enters into output channel by the venthole in the drum, in order to keep the water level in the drum, to often replenish the feedwater of treated mistake in the drum; In the course of the work, if it is on the low side from the flue-gas temperature that exhanst gas outlet 19 comes out, can be by regulating the exhaust gas volumn of bypass floss hole 17, make part of smoke directly from bypass floss hole 17 by, reduce its caloric receptivity, mix with the flue gas that exhanst gas outlet 19 comes out then, deliver to next procedure after reaching design temperature.The shortcoming of this high temperature heat furnace is as follows:
1, because the passage that the lower end of interior pipe 4 and outer tube 3 bottoms form is too narrow, so just formed the structure of similar " caecum " formula, the incrustation scale that foreign matter that may fall in assembling process and water evaporating concentration process certainly lead to can't be got rid of, therefore be easy to take place current logical smooth or because of interior pipe 4 corrosion leakages can not be to whole outer tube 3 moisturizings of being heated, thereby cause outer tube 3 to burn out the accident of booster;
2, the cooling water pipe of the said structure upper cover 2 that passes furnace roof stretches in the furnace chamber, its weight is all by upper cover 2 supportings, make upper cover 2 can not be arranged to demountable structure, can only be welded on the body of heater 1 of high temperature heat furnace, cause the maintenance of stove internal heating surface very difficult; The high temperature heat furnace of above-mentioned double-cylinder type structure is though can connect the detection mouth that is provided for checking the high-order heating surface situation of cooling water pipe in the stove on the flue 6 at an upper portion thereof; However, service work is still very difficult, and its structure also seems too huge and complicated;
3, high temperature heat furnace is in long-term use; liner unavoidably can be because of aging etc. former thereby come off; if can not in time find, shutdown maintenance; withstand voltage tube 101 directly contacts with the high-temperature flue gas of the interior thousands of degree of stove; to the metal strength of withstand voltage tube 101 be descended greatly; when the metallic high temperature yield strength of withstand voltage tube 101 is lower than when overcoming the required intensity of inner flue gas of the stove pressure, high temperature heat furnace will break, and leads to major accident.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of safe and reliable, long-term use to be difficult for obstruction, easy access and high temperature heat furnace simple in structure.
For solving the problems of the technologies described above, the technical solution used in the present invention is: high temperature heat furnace, comprise: body of heater, offer smoke inlet and exhanst gas outlet on the side wall of furnace, two ends of furnace is respectively arranged with upper cover and low head, is respectively arranged with heat-insulation layer and following heat-insulation layer between upper cover and low head and the furnace chamber; Be provided with the convection bank device that constitutes by several convection bank unit in the furnace chamber, each convection bank unit comprises some to overflow pipe and the upper collecting chamber and the next part case that are arranged on furnace chamber two, in each convection bank unit every is connected with upper collecting chamber and next part case in this unit respectively to the two ends of overflow pipe, each next part case is provided with blow-off pipe, the next part case all is connected with the decline feed pipe, and upper collecting chamber all is connected with the carbonated drink fairlead; Have at least one to be demountable structure in described upper cover and the low head; Described body of heater comprises withstand voltage tube and is arranged in some cooling water pipes on the barrel of withstand voltage tube, be provided with heat transfer layer between cooling water pipe and the withstand voltage tube, two up and down of cooling water pipe is connected with last annular header that is positioned at furnace chamber two and following annular header respectively, last annular header is connected with the carbonated drink fairlead, and following annular header is connected with the decline feed pipe.
The central authorities of above-mentioned convection bank device are provided with the inspection passage, check in the passage to be arranged at intervals with some detachable dividing plates from top to bottom; Check that passage runs through heat-insulation layer and upper cover and enter the mouth and be connected with the inspection that is opened in the upper cover top.
The central authorities of above-mentioned convection bank device are provided with the inspection passage, check in the passage to be arranged at intervals with some detachable dividing plates from top to bottom; Check that passage runs through down heat-insulation layer and low head and the inspection inlet bottom being opened in low head and is connected.
Described cooling water pipe is evenly arranged, and is arranged on the outer wall of withstand voltage tube; Described heat transfer layer is arranged between the outer wall of cooling water pipe and withstand voltage tube.
Described cooling water pipe is evenly arranged, and is arranged on the inwall of withstand voltage tube; Described heat transfer layer is arranged between the inwall of cooling water pipe and withstand voltage tube.
Be connected, form demountable structure by flange respectively between above-mentioned upper cover and low head and the body of heater.
Beneficial effect of the present invention is as follows:
1. high temperature heat furnace of the present invention, owing in furnace chamber, adopted the convection bank device that constitutes by several convection bank unit, wherein be from bottom to top straight-through structure to overflow pipe, current are very unobstructed, and be provided with blow-off pipe in the next part case, incrustation scale or foreign matter in the convection bank unit pipe regularly can be discharged from blow-off pipe, guarantee the unimpeded and safe in utilization of water route effectively;
2. have one in the upper and lower end socket among the present invention at least for the flange form demountable structure, and each convection bank unit dismounting separately, greatly facilitate the maintenance of convection bank device; High temperature heat furnace of the present invention is a monotubular formula structure, and its layout and structure are simplified more, have saved floor space, have reduced cost.
3. the body of heater among the present invention constitutes by on metal withstand voltage inwall or outer wall cooling water pipe being set, make near the stable saturation temperature that remains under the water-cooling system operating pressure of overpressure resistant barrel metal temperature, eliminate original body of heater because of the accident potential that reasons such as liner is aging come off and cause body of heater metal overtemperature to break and cause, made the security performance of whole furnace body of high-temperature heating furnace obtain reliable assurance.
Description of drawings
Fig. 1 is the structural representation of the double-cylinder type high temperature heat furnace described in the background technology;
Fig. 2 is that A-A among Fig. 1 is to analysing and observe the structure for amplifying schematic diagram;
Among Fig. 1, Fig. 2: 1, body of heater, 101, withstand voltage tube, 102, heat-insulation layer, 103, refractory layer, 2, upper cover, 3, outer tube, 4, interior pipe, 5, the carbonated drink outlet, 6, connect flue, 8, low head, 17, the bypass floss hole, 18, smoke inlet, 19, exhanst gas outlet;
Fig. 3 is the structural representation of high temperature heat furnace of the present invention;
Fig. 4 is a kind of distributed architecture schematic diagram of convection bank unit in furnace chamber;
Fig. 5 is that the B-B of convection bank unit among Fig. 4 is to the sectional structure schematic diagram;
Fig. 6 is the another kind of distributed architecture schematic diagram of convection bank unit in furnace chamber;
Fig. 7 is the cross sectional representation of a kind of structure of body of heater of the present invention;
Fig. 8 is the structure for amplifying schematic diagram of H part among Fig. 7;
Fig. 9 is the cross sectional representation of the another kind of structure of body of heater of the present invention;
Figure 10 is the structure for amplifying schematic diagram of the I part of Fig. 9;
Among Fig. 3 to Figure 10: 1, body of heater, 10, furnace chamber, 101, withstand voltage tube, 102, cooling water pipe, 103, heat transfer layer, 104, last annular header, 105, following annular header, 106, thermal protection layer, 11, check passage, 12, dividing plate, 13, support positioning beam, 14, support positioning beam, 16, ash bucket, 17, the bypass floss hole, 18, smoke inlet, 19, exhanst gas outlet, 2, upper cover, 21, check inlet, 22, last heat-insulation layer, 3, the convection bank unit, 31, to overflow pipe, 32, upper collecting chamber, 33, the next part case, 331, blow-off pipe, 4, the carbonated drink fairlead, 5, the decline feed pipe, 8, low head, 81, check inlet, 82, following heat-insulation layer, 83, the ash discharge passage;
Figure 11 is an arrangement states schematic diagram of the present invention;
Among the figure: 198, steelframe, 200, high temperature heat furnace, 201, drum.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
As shown in Figure 3, high temperature heat furnace of the present invention, comprise: body of heater 1, space in the body of heater 1 is a furnace chamber 10, offer smoke inlet 18 and exhanst gas outlet 19 on the sidewall of body of heater 1, two of body of heater 1 is respectively arranged with upper and lower end socket 2 and 8, upper and lower end socket 2 and 8 and furnace chamber 10 between be respectively arranged with upper and lower heat- insulation layer 22 and 82, offer the ash discharge passage 83 of perforation in low head 8 and the following heat-insulation layer 82; As shown in Figure 4, be provided with the convection bank device that is made of 12 convection bank unit of arranging radially 3 in the furnace chamber 10, described convection bank device can also be arranged to be arranged in parallel structure or other structure as shown in Figure 6; As shown in Figure 5, each convection bank unit 3 comprises some to overflow pipe 31 and the upper and lower collection case 32 and 33 that is arranged on furnace chamber 10 two, in each convection bank unit 3 every is connected with upper and lower collection case 32 and 33 in this unit respectively to the two ends of overflow pipe 31, the bottom of each next part case 33 is provided with blow-off pipe 331, all next part casees 33 all are connected with decline feed pipe 5, and all upper collecting chambers 32 all are connected with carbonated drink fairlead 4; Having an end socket in the described upper and lower end socket 2 and 8 at least is detachable flange mounting structure; As Fig. 7, shown in Figure 8, described body of heater 1 structure comprises: withstand voltage tube 101, on the inwall of withstand voltage tube 101, evenly arrange some cooling water pipes 102, and be provided with heat transfer layer 103 between the inwall of cooling water pipe 102 and withstand voltage tube 101; In addition, described body of heater 1 can also be arranged to as Fig. 9, structure shown in Figure 10, this structure comprises: withstand voltage tube 101, on withstand voltage tube 101 outer walls, evenly arrange some cooling water pipes 102, and be provided with heat transfer layer 103 between the outer wall of cooling water pipe 102 and withstand voltage tube 101; Heat transfer layer 103 described here is exactly the weld layer between cooling water pipe 102 and the withstand voltage tube 101; Two up and down of all cooling water pipes 102 of described body of heater 1 is connected with the upper and lower annular header 104 and 105 that is positioned at furnace chamber 10 two respectively, and upper and lower annular header 104 and 105 is connected with carbonated drink fairlead 4 and decline feed pipe 5 respectively; In the present embodiment, as shown in Figure 4, central authorities at the convection bank device leave the space and form inspection passage 11, that is: all convection bank unit 3 are arranged in the circular section of body of heater 1 radially, its central authorities reserve and check passage 11, check and to be furnished with at interval in the passage 11 that the detachable dividing plate 12 of several piece---the piece number of dividing plate 12 can be done corresponding increase and decrease according to the height of body of heater 1, the purpose of arranging dividing plate 12 is for the corridor effect that removes smoke, the concrete method to set up of dividing plate 12 is: check near the passage 11 to overflow pipe 31 on be welded with the weldering ear, though dividing plate 12 is installed on the weldering ear and gets final product---the common technology that this weldering of welding nearby ear is installed dividing plate 12 is not drawn in the drawings, but this does not influence understanding and the realization of those skilled in the art to this structure, described inspection passage 11 upwards runs through heat-insulation layer 22 and upper cover 2, and be connected with the inspection inlet 21 that is opened in upper cover 2 tops, check that passage 11 runs through down heat-insulation layer 82 and low head 8 downwards, and be connected with the inspection inlet 81 that is opened in low head 8 bottoms; The top that is positioned at ash discharge passage 83 in the furnace chamber 10 is provided with by what filler constituted and is funnelform ash bucket 16, makes that the dust in the furnace chamber 10 can be along ash bucket 16 landings to ash discharge passage 83, and discharges high temperature heat furnaces along ash discharge passage 83.In addition, in order to prevent radiation loss, also be provided with thermal protection layer 106 on the outer wall of body of heater 1 (comprising flue entrance 18 and flue outlet 19); In order to regulate, be provided with bypass floss hole 17 at the middle part of body of heater 1 from the temperature of exhanst gas outlet 19 flue gases.In addition, for the fixing and rest of high temperature heat furnace, also be provided with on the body of heater 1 and support positioning beam 13 and 14.
As shown in figure 11, be the arrangement figure of the present invention in catalytic cracking unit, whole high temperature heat furnace 200 is the monotubular structure, by steelframe 198 supportings, supporting positioning beam 13 and 14 can use as positioning beam or brace summer as required, if the supporting-point of high temperature heat furnace 200 and steelframe 198, supports positioning beam 13 on the top of high temperature heat furnace 200 so as holding the support beam, support positioning beam 14 as positioning beam; Otherwise,, support positioning beam 14 as brace summer if the supporting-point of high temperature heat furnace 200 and steelframe 198 then supports positioning beam 13 as positioning beam in the middle part or the bottom of high temperature heat furnace 200.Drum 201 is as the water source of high temperature heat furnace 200 and the vapour part of converging, in order to strengthen the water circulation, pipe arrangement and the needs of considering the extraction that makes progress when overhauling convection bank unit 3, drum 201 is located at the side that exceeds high temperature heat furnace 200 certain distances, drum 201 bottoms have near several major diameter decline feed pipe 5 through next part casees 33, with small-bore pipe moisture is fitted on down in annular header 105 and each next part case 33 again and goes, be back to the drum 201 through carbonated drink fairlead 4 from last annular header 104 and the steam water interface that each upper collecting chamber 32 comes out, after the carbonated drink separation, steam is sent from the venthole of drum 201.
The concrete course of work of blast furnace heat furnace 200 of the present invention is: drum 201 is positioned at the top of high temperature heat furnace 200, drum 201 by two-way decline feed pipe 5 respectively with next part case 33, overflow pipe 31, upper collecting chamber 32 and carbonated drink fairlead 4 are formed one group of water-cooling system, with following annular header 105, cooling water pipe 102, go up annular header 104 and carbonated drink fairlead 4 and form another and organize water-cooling system.In the course of the work, in order to keep the water level in the drum 201, to often replenish the feedwater of treated mistake in the drum 201.Withstand voltage tube 101 as body of heater 1 part, owing to high-temperature flue gas it is heated on the one hand, make its temperature that the trend of continuous rising be arranged, continue to flow on the other hand and again the withstand voltage tube 101 most of heats that obtain are constantly taken away through the water of cooling water pipe 102, so just formed a thermal balance, made near withstand voltage tube 101 saturation temperatures that maintain under the water-cooling system operating pressure.High-temperature flue gas enters to furnace chamber 10 from smoke inlet 18, in uphill process, with overflow pipe 31 is constantly carried out exchange heat to reduce the cigarette temperature, if it is on the low side from the flue-gas temperature that exhanst gas outlet 19 comes out, can make part of smoke directly draw by regulating the exhaust gas volumn of bypass floss hole 17, mix with the low-temperature flue gas that exhanst gas outlet 19 comes out then through the whole process cooling from 17 bypasses of bypass floss hole, regulate both ratio, it is reached temperature is set, delivers to next procedure then.In addition, be arranged on the dividing plate of checking in the passage 11 12 and can prevent the flue gas short circuit effectively.
When need during to the convection bank device place under repair in the above-mentioned high temperature heat furnace 200, only need unload upper cover 2, then carbonated drink fairlead 4 and decline feed pipe 5 done simple cutting, just indivedual convection banks unit 3 can be extracted out separately from furnace chamber 10, thereby made things convenient for the repairing of convection bank device.When the heating surface in the above-mentioned high temperature heat furnace 200 was checked, the inspection personnel can enter the mouth from the inspection in the low head 8 and 81 enter in the furnace chamber 10, also can enter the mouth from the inspection in the upper cover 2 21 to enter in the furnace chamber 10; Here check that to enter the inlet of the inspection on being opened in low head 8 81 passage 11 is an example, describe all processes that overflow pipe 31 is checked in the high temperature heat furnace furnace chamber 10: at first unload first dividing plate 12, with hanging ladder hang over be welded on equally check near the passage 11 on the hook on the overflow pipe 31---though this welding nearby is used to hang the common technology of the hook of hanging ladder and does not draw in the drawings, but this does not influence understanding and the realization of those skilled in the art to this structure, the inspection personnel is by hanging ladder second dividing plate 12 of reacceesing, and it is unloaded, then, the inspection personnel may stand on the top of hanging ladder, second hanging ladder upwards risen, and it is hung on the corresponding hook in top, and the like, just can detect all situations in the whole high temperature heat furnace 200 to the heating surface of overflow pipe 31, inspection finishes, return step by step again, and dividing plate 12 is fixed on the original place successively.At high temperature heat furnace 200 run durations, can regularly will discharge incrustation scale sediment in the overflow pipe 31 and foreign matter, thereby guarantee the unimpeded of water route effectively by blow-off pipe 331.
Claims (6)
1. high temperature heat furnace, comprise: body of heater [1], offer smoke inlet [18] and exhanst gas outlet [19] on the sidewall of body of heater [1], two of body of heater [1] is respectively arranged with upper cover [2] and low head [8], is respectively arranged with heat-insulation layer [22] and following heat-insulation layer [82] between upper cover [2] and low head [8] and the furnace chamber [10]; It is characterized in that: be provided with the convection bank device that constitutes by several convection bank unit [3] in the furnace chamber [10], each convection bank unit [3] comprises some to overflow pipe [31] be arranged on the upper collecting chamber [32] and the next part case [33] at furnace chamber [10] two, in each convection bank unit [3] every is connected with upper collecting chamber [32] and next part case [33] in this unit respectively to the two ends of overflow pipe [31], each next part case [33] is provided with blow-off pipe [331], next part case [33] all is connected with decline feed pipe [5], and upper collecting chamber [32] all is connected with carbonated drink fairlead [4]; Have at least one to be demountable structure in described upper cover [2] and the low head [8]; Described body of heater [1] comprises withstand voltage tube [101] and is arranged in some cooling water pipes [102] on the barrel of withstand voltage [101], be provided with heat transfer layer [103] between cooling water pipe [102] and the withstand voltage tube [101], two up and down of cooling water pipe [102] is connected with last annular header [104] that is positioned at furnace chamber [10] two and following annular header [105] respectively, last annular header [104] is connected with carbonated drink fairlead [4], and following annular header [105] is connected with decline feed pipe [5].
2. high temperature heat furnace as claimed in claim 1 is characterized in that: described convection bank device central authorities are provided with and check passage [11], check in the passage [11] to be arranged at intervals with some detachable dividing plates [12] from top to bottom; Check passage [11] run through heat-insulation layer [22] and upper cover [2] and with the inspection that is opened in upper cover [2] top enter the mouth [21] be connected.
3. high temperature heat furnace as claimed in claim 1 is characterized in that: described convection bank device central authorities are provided with and check passage [11], check in the passage [11] to be arranged at intervals with some detachable dividing plates [12] from top to bottom; Check that passage [11] runs through down heat-insulation layer [82] and low head [8] and the inspection inlet [81] bottom being opened in low head [8] and is connected.
4. as claim 1,2 or 3 described high temperature heat furnaces, it is characterized in that: described cooling water pipe [102] is evenly arranged, and is arranged on the outer wall of withstand voltage tube [101]; Described heat transfer layer [103] is arranged between the outer wall of cooling water pipe [102] and withstand voltage tube [101].
5. as claim 1,2 or 3 described high temperature heat furnaces, it is characterized in that: described cooling water pipe [102] is evenly arranged, and is arranged on the inwall of withstand voltage tube [101]; Described heat transfer layer [103] is arranged between the inwall of cooling water pipe [102] and withstand voltage tube [101].
6. as claim 1,2 or 3 described high temperature heat furnaces, it is characterized in that: be connected, form demountable structure by flange respectively between described upper cover [2] and low head [8] and the body of heater [1].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100226597A CN100458342C (en) | 2007-05-20 | 2007-05-20 | High temperature heat furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100226597A CN100458342C (en) | 2007-05-20 | 2007-05-20 | High temperature heat furnace |
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| CN101059318A CN101059318A (en) | 2007-10-24 |
| CN100458342C true CN100458342C (en) | 2009-02-04 |
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| CNB2007100226597A Active CN100458342C (en) | 2007-05-20 | 2007-05-20 | High temperature heat furnace |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105135916A (en) * | 2015-10-08 | 2015-12-09 | 张家港市江南锅炉压力容器有限公司 | Waste gas cooler |
| CN110375285B (en) * | 2019-08-14 | 2024-02-06 | 彭万旺 | Efficient combustion cooling system and flue gas cooler |
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| CN201053665Y (en) * | 2007-05-20 | 2008-04-30 | 苏州海陆重工股份有限公司 | High temperature heat furnace |
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- 2007-05-20 CN CNB2007100226597A patent/CN100458342C/en active Active
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| GB1247099A (en) * | 1968-04-02 | 1971-09-22 | Basf Ag | A method for cooling a gas, and a heat exchanger therefor |
| US4854381A (en) * | 1988-04-11 | 1989-08-08 | Paul Mikula | Heat exchanger device |
| CN2104383U (en) * | 1991-03-25 | 1992-05-13 | 西安交通大学 | U-pipe afterheat boiler |
| CN2210371Y (en) * | 1994-07-01 | 1995-10-18 | 柳德水 | Tubular graphite heat exchanger of non-adhesive type |
| JPH1113555A (en) * | 1997-06-25 | 1999-01-19 | Calsonic Corp | Egr gas cooling device |
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| CN201053665Y (en) * | 2007-05-20 | 2008-04-30 | 苏州海陆重工股份有限公司 | High temperature heat furnace |
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