EP0135188B2 - Glasrohr-Wärmetauscher - Google Patents
Glasrohr-WärmetauscherInfo
- Publication number
- EP0135188B2 EP0135188B2 EP84110858A EP84110858A EP0135188B2 EP 0135188 B2 EP0135188 B2 EP 0135188B2 EP 84110858 A EP84110858 A EP 84110858A EP 84110858 A EP84110858 A EP 84110858A EP 0135188 B2 EP0135188 B2 EP 0135188B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- gas
- glass tube
- tube heat
- clean gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000011521 glass Substances 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims abstract 16
- 238000009434 installation Methods 0.000 claims abstract 2
- 239000002912 waste gas Substances 0.000 claims abstract 2
- 238000005192 partition Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/0005—Recuperative heat exchangers the heat being recuperated from exhaust gases for domestic or space-heating systems
- F28D21/0008—Air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/006—Constructions of heat-exchange apparatus characterised by the selection of particular materials of glass
Definitions
- the invention relates to a glass tube heat exchanger for Warming the washed clean gas stream of an exhaust gas purifier system with hot raw gas, in which the hot raw gas through glass pipes and the cleaned clean gas through one heat exchanger interior limited by inner walls flows to the hot raw gas and the inner walls through heated outside heat transfer medium flowing past will.
- Such a heat exchanger is from DE-A-31 42 485 known.
- Pure gas with the warmth of the hot raw gas are in such gas cleaning plants
- Glass tube heat exchanger used because itself the material glass as special resistant to aggressive components has proven that in raw gas and _ albeit in less quantity _ are present in the clean gas.
- Those parts of the glass tube heat exchanger that cannot be made of glass consist of corrosion-resistant metallic Material, e.g. Chromium nickel steel with extreme high nickel content.
- the present invention is based on the object Glass tube heat exchanger of the type mentioned initially to improve that dew point corrosion step on the outer walls is reliably avoided.
- the heat transfer medium medium consists of heated fresh air from a Fan is kept moving and warming the Fresh air with heating elements takes place as well as parallel to Wall plane of the inner wall arranged an intermediate wall is so that between the inner wall and the intermediate wall an internal cavity is formed as well as on the an external cavity on the other side of the partition, in which the heating elements run, as well as the inside and the outer cavity connected to each other are that the circulating air is initially outside the cavity containing the heating elements and then the internal cavity flows.
- Circulated in the glass tube heat exchanger according to the invention therefore only heated in the cavities of the outer walls Fresh air, causing corrosion from these cavities is excluded.
- the glass tube heat exchanger according to the invention has the advantage that limit the cavities of the outer wall to the outside Wall parts can be made from normal sheet steel, since these wall parts do not come into contact with any corrosive gas come. It is due to the configuration according to the invention possible, the heat in the cavities optimal and the loading to distribute needs accordingly.
- the invention provides make sure that the circulating air flow initially in is heated up in its entirety and then with the warming wall parts is brought into intensive contact.
- Heating elements of hot raw gas flow through glass tubes use.
- the glass tubes serving as heating elements are in parallel lel to the glass tubes of the heat exchanger and in the same tube sheets are stored as this. This will automatically a partial flow of the hot raw gas before the first tube sheet for heating the as glass tubes branches formed and merges in Gas collecting space behind the second tube sheet again this.
- the heated air flow expediently runs in the interior cavity in the same Direction like that flowing through the housing Clean gas flow.
- the internal cavity additionally separate heating element must be assigned.
- This Heating element is switched on if e.g. when starting the plant the raw gas flow still is not sufficiently hot or during current operating periods occur in which the raw gas temperature drops, or if due to upstream system components Raw gas temperature is too low and due to pure Heat recovery from the raw gas one Wall temperature above the Dew point temperature of the clean gas not too to achieve.
- connection flange of the clean gas channel one channel be formed through which a partial flow the heated fresh air is guided. This Characteristic is to be applied in particular if the temperature problems listed above occur.
- the guided through this channel heated fresh air can then vary depending on If necessary, the raw gas or the clean gas be fed or into the atmosphere be derived.
- the glass tube shown in the drawing Heat exchanger has a cuboid Housing 1, in which two tube sheets 2 and 3 have moved in, in which glass tubes 4 are stored are. Is in front of the first tube sheet 2 a raw gas distribution room 5, in which not shown raw gas channel opens. Behind the there is a second tube sheet 3 Raw gas collecting space 6, to which the not Connected raw gas discharge duct connects.
- the clean gas flows through the glass tube Heat exchanger perpendicular to the glass tubes 4. i.e. in Fig. 1 perpendicular to the Fbenc of the drawing.
- the clean gas supply channel and not shown the also not shown Clean gas discharge channels are at each other opposite sides of the cuboid Housing 1 connected.
- Outer walls of the housing 1 are double-walled trained and have one in an outer Wall 7a and an inner wall 7b divided wall 7 on.
- the one from the outer wall 7a and the inner wall 7b is enclosed cavity 8 divided by an intermediate wall 7c outer cavity 8a and an inner Cavity 8b.
- At the two cavities 8a and 8b are the pressure port and the suction port one Fan 9 connected such that the of air delivered to the fan first outer cavity 8a and then the inner Flow through cavity 8b in the circuit.
- hot Glass tubes 10 In the outer cavity 8a is a series of Built-in heating elements that are called hot Glass tubes 10 through which raw gas flows are formed are.
- the glass tubes 10 run parallel to the Glass tubes 4 of the glass tube heat exchanger and are like this in its tube sheets 2 and 3 are used by the Raw gas distribution room 5 ago with hot raw gas supplies and flow into the raw gas collecting space 6 a.
- the heated by the glass tubes 10 Fresh air flows through the inner cavity 8b in the same direction as the clean gas Flows through housing 1 so that the inner wall 7b is heated the most where that still cool and saturated clean gas in contact with it is coming.
- additional heating elements e.g. in the form of Flame tubes 11 may be arranged in the Trap for additional heating to care.
- the raw gas distribution space 5 be formed on the opposite side.
- embodiment is on the Inflow side of the clean gas through a welded sheet 13 along the Connection flange 14 extending channel 15 formed by which a partial flow of heated fresh air is guided.
- the one at this Small type of flange heating occurring Fresh air loss is on the suction side of the Fan 9 added.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84110858T ATE26885T1 (de) | 1983-09-14 | 1984-09-12 | Glasrohr-waermetauscher. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3333057 | 1983-09-14 | ||
DE3333057A DE3333057C1 (de) | 1983-09-14 | 1983-09-14 | Glasrohr-Waermetauscher |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0135188A2 EP0135188A2 (de) | 1985-03-27 |
EP0135188A3 EP0135188A3 (en) | 1985-11-27 |
EP0135188B1 EP0135188B1 (de) | 1987-04-29 |
EP0135188B2 true EP0135188B2 (de) | 1991-03-06 |
Family
ID=6208976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84110858A Expired - Lifetime EP0135188B2 (de) | 1983-09-14 | 1984-09-12 | Glasrohr-Wärmetauscher |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0135188B2 (de) |
AT (1) | ATE26885T1 (de) |
DE (1) | DE3333057C1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3534822A1 (de) * | 1985-09-30 | 1987-04-16 | Langbein & Engelbrecht | Glasrohrwaermetauscher |
DE3905140A1 (de) * | 1989-02-20 | 1990-08-23 | Dieter Dipl Ing Wallstein | Waermetauscher |
DE3909929C1 (en) * | 1989-03-25 | 1990-05-31 | Langbein & Engelbracht Gmbh & Co Kg, 4630 Bochum, De | Glass tube heat exchanger |
EP2085732B1 (de) | 2008-02-04 | 2014-04-09 | ATEC GmbH & Co. KG | Glaswärmetauscher mit Kunststoffrohrboden |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3142485A1 (de) † | 1981-10-27 | 1983-05-11 | Langbein & Engelbracht GmbH & Co KG, 4630 Bochum | Glasrohrwaermetauscher |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1145912A (fr) * | 1956-03-21 | 1957-10-30 | Chausson Usines Sa | Procédé de fabrication d'échangeurs de chaleur et dispositif échangeur mettant en oeuvre ce procédé |
JPS5237662U (de) * | 1975-09-10 | 1977-03-17 | ||
CH628134A5 (de) * | 1978-03-28 | 1982-02-15 | Ygnis Sa | Rauchgasdurchstroemter waermetauscher. |
-
1983
- 1983-09-14 DE DE3333057A patent/DE3333057C1/de not_active Expired
-
1984
- 1984-09-12 AT AT84110858T patent/ATE26885T1/de active
- 1984-09-12 EP EP84110858A patent/EP0135188B2/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3142485A1 (de) † | 1981-10-27 | 1983-05-11 | Langbein & Engelbracht GmbH & Co KG, 4630 Bochum | Glasrohrwaermetauscher |
Also Published As
Publication number | Publication date |
---|---|
DE3333057C1 (de) | 1985-04-18 |
EP0135188B1 (de) | 1987-04-29 |
ATE26885T1 (de) | 1987-05-15 |
EP0135188A2 (de) | 1985-03-27 |
EP0135188A3 (en) | 1985-11-27 |
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Legal Events
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