CN108759501B - Assembled flue gas condenser - Google Patents
Assembled flue gas condenser Download PDFInfo
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- CN108759501B CN108759501B CN201810623002.4A CN201810623002A CN108759501B CN 108759501 B CN108759501 B CN 108759501B CN 201810623002 A CN201810623002 A CN 201810623002A CN 108759501 B CN108759501 B CN 108759501B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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Abstract
The invention provides an assembled flue gas condenser which comprises a cover body and a condensing unit, wherein the cover body is internally provided with the condensing unit, a water inlet of the condensing unit is connected with a water inlet pipe, and a water outlet of the condensing unit is connected with a water outlet pipe; the condensing unit comprises a shell, a first fixing plate, a second fixing plate and a condensing pipe, wherein the first fixing plate and the second fixing plate are arranged at two ends of the shell respectively, and the condensing pipe is detachably arranged between the first fixing plate and the second fixing plate. The condenser pipe is detachable, the assembled installation of the delay condenser is realized, the maintenance time can be saved during the later maintenance, the phenomenon that the whole condenser pipe needs to be replaced due to the damage of the condenser pipe is avoided, and the maintenance cost is saved.
Description
Technical Field
The invention belongs to the technical field of condensers, and particularly relates to an assembled flue gas condenser.
Background
With the increasing importance of people on the environment and the increasing research on the energy utilization rate, the gas with high water content discharged by industry is usually subjected to condensation treatment to separate out condensed water for secondary production, and the commonly used heat exchange equipment is a condenser. Current condenser is mostly a body structure, need cutting welding to change the condenser part of damage when condenser pipe or other parts damage, influences the production progress, has increased use cost. Also, when a condenser used in a corrosive and flammable environment is damaged, maintenance is more cumbersome and dangerous. For example, in the electric power or metallurgical industry, wet flue gas desulfurized by a desulfurizing tower is generally conveyed by a pipeline after corrosion prevention of resin glass flakes, and the resin glass flakes are corrosion-resistant but are easy to ignite. After the condenser in this pipeline appears damaging, should shut down and overhaul, set up interim fire control fire extinguishing apparatus at the scene, then can only use modes such as flame cutting or the separation of polishing to demolish and damage the condenser pipe, weld new condenser pipe, all produce high temperature spark in the whole change process, bring higher maintenance cost and potential safety hazard for the maintenance.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an assembled flue gas condenser which can realize the quick replacement of a single condensing tube, improve the maintenance efficiency and save the replacement cost.
The invention is realized by the following technical scheme:
an assembled flue gas condenser comprises a cover body and a condensing unit, wherein the condensing unit is arranged in the cover body, a water inlet of the condensing unit is connected with a water inlet pipe, and a water outlet of the condensing unit is connected with a water outlet pipe; the condensing unit comprises a shell, a first fixing plate, a second fixing plate and a condensing pipe, wherein the first fixing plate and the second fixing plate are arranged at two ends of the shell respectively, and the condensing pipe is detachably arranged between the first fixing plate and the second fixing plate. The condenser pipe is detachable, the assembled installation of the delay condenser is realized, the maintenance time can be saved during the later maintenance, the phenomenon that the whole condenser pipe needs to be replaced due to the damage of the condenser pipe is avoided, and the maintenance cost is saved.
The condenser is characterized in that a first flange and a second flange are respectively arranged at two ends of the condenser pipe, the first flange is fixed on a fixing flange, the fixing flange is detachably fixed on a first fixing plate, the second flange is detachably fixed on a second fixing plate, and a condensation cavity is formed between the condenser pipe and the shell. The one end that is equipped with first flange is for changing the end, and the one end that is equipped with the second flange is the stiff end, during the change, loosens first flange and second flange, and then the condenser pipe can be taken out from the one end of second flange, realizes the change of condenser pipe.
And a sealing ring is arranged between the first flange and the fixed flange and/or between the fixed flange and the first fixed plate and/or between the second flange and the second fixed plate. Set up the sealing washer, can strengthen the leakproofness between casing and the condenser pipe, avoid the coolant liquid of condensation intracavity to flow out, weaken the condensation effect.
And grooves are formed in the end faces of the fixed flange and/or the second flange. Set up the recess, the comdenstion water that forms when can making the flue gas cool off in the condenser pipe is in time discharged, avoids causing the harm to the condenser pipe, reduces the life of condenser.
The condensing unit is provided in plurality. The plurality of condensing units are arranged, so that the condensing efficiency of the condenser can be increased, and a large amount of flue gas can be cooled in unit time.
The condensing units are connected in parallel. And a plurality of condensing units are connected in parallel, so that the cooling efficiency of the flue gas can be improved.
The condensing units are connected in series. The plurality of condensers are used in series, so that the cooling effect of the condensers can be improved.
The condenser pipe is a corrugated pipe. By adopting the corrugated pipe, the condenser pipe can be accurately installed through the expansion of the corrugated pipe, the installation difficulty is reduced, and the installation speed is increased.
The corrugated pipe is a metal corrugated pipe. By adopting the metal corrugated pipe, the heat exchange efficiency between the high-temperature flue gas and the cooling liquid can be improved, and the condensation effect is improved.
The water inlet is arranged at the air outlet end, and the water outlet is arranged at the air inlet end. The flow direction of the cooling liquid and the flow direction of the flue gas are set to be in reverse flow, so that the heat exchange efficiency can be improved, and the cooling function of the cooling liquid can be fully exerted.
The height of the water inlet is lower than that of the water outlet. The cooling liquid is fully retained in the cooling cavity, and the cooling effect is ensured.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the assembled flue gas condenser, the condensing pipes are detachable, so that the assembled installation of the delay condenser is realized, the maintenance time can be saved during later maintenance, the phenomenon that one condensing pipe needs to be completely replaced due to damage is avoided, and the maintenance cost is saved;
2. according to the assembled flue gas condenser, one end provided with the first flange is a replacing end, the other end provided with the second flange is a fixed end, when the assembled flue gas condenser is replaced, the first flange and the second flange are loosened, then the condensing pipe can be drawn out from one end of the second flange, and replacement of the condensing pipe is realized;
3. according to the assembled flue gas condenser, the sealing ring is arranged, so that the sealing property between the shell and the condensing pipe can be enhanced, the cooling liquid in the condensing cavity is prevented from flowing out, and the condensing effect is weakened;
4. according to the assembled flue gas condenser, the groove is formed, so that condensed water formed when flue gas is cooled in the condenser pipe can be discharged in time, the condenser pipe is prevented from being damaged, and the service life of the condenser is shortened;
5. according to the assembled flue gas condenser, the plurality of condensing units are arranged, so that the condensing efficiency of the condenser can be increased, and a large amount of flue gas can be cooled in unit time;
6. according to the assembled flue gas condenser, the corrugated pipe is adopted, so that the condenser pipe can be accurately installed through the expansion of the corrugated pipe, the installation difficulty is reduced, and the installation speed is increased.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a schematic diagram of the condensing unit structure of the present invention;
FIG. 7 is a rear view of the condensing unit of the present invention;
FIG. 8 is a schematic view of the cross-sectional structure C-C of FIG. 7;
FIG. 9 is an enlarged view of FIG. 8 at 8;
FIG. 10 is an enlarged schematic view of FIG. 8 at 11;
FIG. 11 is a schematic view of a condenser tube mounting structure according to the present invention;
FIG. 12 is a schematic view of the groove position structure of the present invention;
the condensation device comprises a water outlet pipe 1, a water outlet pipe 2, a cover body 3, a water inlet pipe 4, a condensation unit 5, a water outlet 6, a shell 7, a water inlet 8, a first fixing plate 9, a condensation pipe 10, a condensation cavity 11, a second fixing plate 12, a first sealing ring 13, a first flange 14, a second sealing ring 15, a fixing flange 16, a third sealing ring 17, a second flange 18 and a groove.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-5, an assembled flue gas condenser comprises a cover body 2 and a condensation unit 4, wherein the cross section of the cover body 2 is rectangular, two ends of the cross section are open, the condensation unit 4 is arranged in the cover body 2, a water inlet 7 of the condensation unit 4 is connected with a water inlet pipe 3, a water outlet 5 of the condensation unit 4 is connected with a water outlet pipe 1, the water outlet 5 of the condensation unit 4 extends out of the cover body 2 and is connected with the water outlet pipe 1, and the water inlet 7 of the condensation unit 4 also extends out of the cover body 2 and is connected with the water inlet pipe 3; as shown in fig. 6-8, the condensing unit 4 includes a housing 6, a first fixing plate 8, a second fixing plate 11 and a condensing tube 9, in this application, the cross section of the housing 6 is the same as the cross section of the cover body 2 and is also rectangular, the two ends of the housing 6 are respectively provided with the first fixing plate 8 and the second fixing plate 11, specifically, the two end faces of the housing 6 in the length direction are respectively provided with the first fixing plate 8 and the second fixing plate 11, the first fixing plate 8 is provided with a first fixing hole, the second fixing hole is provided on the second fixing plate 11, the condensing tube 9 is detachably provided between the first fixing plate 8 and the second fixing plate 11, specifically, one end of the condensing tube 9 passes through the first fixing hole and is fixed on the first fixing plate 8, and the other end passes through the second fixing hole and is fixed on the second fixing plate 11. Set condenser pipe 9 to can dismantle, realized the assembled installation of postponing condenser, can practice thrift maintenance time when later maintenance, avoided simultaneously because of the phenomenon that condenser pipe 9 damages need whole changes, practiced thrift cost of maintenance.
The condensing unit 4 is provided in plurality. The plurality of condensing units 4 are arranged, so that the condensing efficiency of the condenser can be increased, and a large amount of flue gas can be cooled in unit time. In one embodiment, the condensing units 4 are connected in parallel. The plurality of condensing units 4 are connected in parallel, so that the cooling efficiency of the flue gas can be improved. As another embodiment, the condensing units 4 are connected in series. The plurality of condensers are used in series, so that the cooling effect of the condensers can be improved. In the present application, a plurality of condensing units 4 are connected in parallel.
As shown in fig. 9-11, for describing the above-mentioned embodiments in detail, the two ends of the condensation pipe 9 are respectively provided with a first flange 13 and a second flange 17, for convenience of description, the first flange 13 is fixed on the first fixing plate 8, the second flange 17 is fixed on the second fixing plate 11, specifically, the diameter of the first flange 13 is smaller than that of the first fixing hole on the first fixing plate 8, so as to ensure that the first flange 13 can pass through the first fixing hole, and the diameter of the second flange 17 is larger than that of the second fixing hole on the second fixing plate 11, so that the second flange 17 can be directly fixed on the second fixing plate 11, the first flange 13 is fixed on the fixing flange 15, the fixing flange 15 is detachably fixed on the first fixing plate 8, the second flange 17 is detachably fixed on the second fixing plate 11, the condensation chamber 10 is formed between the condensation pipe 9 and the housing 6, specifically, during installation, one end of the condensation pipe 9, which is provided with the first flange 13, penetrates through the second fixing hole on the second fixing plate 11, then the first flange 13 penetrates through the first fixing hole on the first fixing plate 8, at this time, the second flange 17 is attached to the second fixing plate 11, because the diameter of the second flange 17 is larger than that of the second fixing hole, the second flange 17 is blocked by the edge of the second fixing hole, so that the second flange 17 is just fixed on the second fixing plate 11, and because the diameter of the first flange 13 is smaller than that of the first fixing hole, the first flange 13 can penetrate through the first fixing hole, then the first flange 13 and the fixing flange 15 are fixed, the diameter of the fixing flange 15 is larger than that of the first fixing hole, after the fixing flange 15 and the first flange 13 are fixed, the fixing flange 15 is fixed on the first fixing plate 8, the condenser pipe 9 is fixed, and the condenser can be assembled by one person due to the unilateral installation, so that the working efficiency is greatly improved. The one end that is equipped with first flange 13 is for changing the end, and the one end that is equipped with second flange 17 is the stiff end, and during the change, unclamp first flange 13 and second flange 17, then condenser pipe 9 can be taken out from the one end of second flange 17, realizes the change of condenser pipe 9.
As a modification, as shown in fig. 11, a sealing ring is arranged between the first flange 13 and the fixing flange 15 and/or between the fixing flange 15 and the first fixing plate 8 and/or between the second flange 17 and the second fixing plate 11, that is, between the first flange 13 and the fixing flange 15; or between the fixing flange 15 and the first fixing plate 8; or between the second flange 17 and the second fixing plate 11, in order to achieve the best sealing effect, sealing rings are respectively arranged between the first flange 13 and the fixing flange 15, between the fixing flange 15 and the first fixing plate 8, and between the second flange 17 and the second fixing plate 11, for convenience of description, a third sealing ring 16 is arranged between the first flange 13 and the fixing flange 15, a second sealing ring 14 is arranged between the fixing flange 15 and the first fixing plate 8, and a first sealing ring 12 is arranged between the second flange 17 and the second fixing plate 11. Set up the sealing washer, can strengthen the leakproofness between casing 6 and the condenser pipe 9, avoid the coolant liquid in the condensation chamber 10 to flow out, weaken the condensation effect.
As shown in fig. 12, the end face of the fixing flange 15 and/or the second flange 17 is provided with a groove 18, that is, the groove 18 may be provided at one end of the condensation pipe 9, that is, the groove 18 is provided on the fixing flange 15, or the groove 18 is provided on the second flange 17, or the grooves 18 may be provided at both ends of the condensation pipe 9, that is, the groove 18 is provided on the fixing flange 15, and the groove 18 is provided on the second flange 17. The arrangement of the groove 18 can timely discharge condensed water formed when the flue gas is cooled in the condensation pipe 9, avoid damage to the condensation pipe 9 and reduce the service life of the condenser.
As shown in fig. 11, the condensation duct 9 is a corrugated tube. By adopting the corrugated pipe, the condenser pipe 9 can be accurately installed through the expansion of the corrugated pipe, the installation difficulty is reduced, and the installation speed is increased. The corrugated pipe is a metal corrugated pipe. By adopting the metal corrugated pipe, the heat exchange efficiency between the high-temperature flue gas and the cooling liquid can be improved, and the condensation effect is improved.
As shown in fig. 4 and 6, the water inlet 7 is disposed at the air outlet end, and the water outlet 5 is disposed at the air inlet end. The flow direction of the cooling liquid and the flow direction of the flue gas are set to be in reverse flow, so that the heat exchange efficiency can be improved, and the cooling function of the cooling liquid can be fully exerted. The height of the water inlet 7 is lower than that of the water outlet 5. The cooling liquid is fully retained in the cooling cavity, and the cooling effect is ensured.
The above-described embodiment is only one embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be easily made based on the application and principle of the present invention disclosed in the present application, and the present invention is not limited to the method described in the above-described embodiment of the present invention, so that the above-described embodiment is only preferred, and not restrictive.
Claims (9)
1. An assembled flue gas condenser is characterized by comprising a cover body and a condensation unit, wherein the condensation unit is arranged in the cover body, a water inlet of the condensation unit is connected with a water inlet pipe, and a water outlet of the condensation unit is connected with a water outlet pipe; the condensing unit comprises a shell, a first fixing plate, a second fixing plate and a condensing pipe, wherein the first fixing plate and the second fixing plate are respectively arranged at two ends of the shell, and the condensing pipe is detachably arranged between the first fixing plate and the second fixing plate;
a first flange and a second flange are respectively arranged at two ends of the condensation pipe, the first flange is fixed on a fixed flange, the fixed flange is detachably fixed on a first fixed plate, the second flange is detachably fixed on a second fixed plate, and a condensation cavity is formed between the condensation pipe and the shell;
the diameter of the first flange is smaller than that of the first fixing hole on the first fixing plate, so that the first flange can penetrate through the first fixing hole, the diameter of the second flange is larger than that of the second fixing hole on the second fixing plate, the diameter of the fixing flange is larger than that of the first fixing hole, a sealing ring is arranged between the second flange and the second fixing plate, one end, provided with the first flange, of the condensation pipe penetrates through the second fixing hole on the second fixing plate during installation, then the first flange penetrates through the first fixing hole on the first fixing plate, at the moment, the second flange is attached to the second fixing plate, as the diameter of the second flange is larger than that of the second fixing hole, the second flange is blocked by the edge of the second fixing hole, so that the second flange is just fixed on the second fixing plate, and as the diameter of the first flange is smaller than that of the first fixing hole, the first flange can penetrate through the first fixing hole, then it is fixed with first flange and mounting flange, fix mounting flange on first fixed plate again, accomplish the fixed of condenser pipe, the one end that is equipped with first flange is for changing the end, and the one end that is equipped with the second flange is the stiff end, and during the change, the condenser pipe can be taken out from the one end of second flange, realizes the replacement of condenser pipe.
2. The fabricated flue gas condenser of claim 1 wherein a sealing ring is disposed between the first flange and the fixing flange and/or between the fixing flange and the first fixing plate and/or between the second flange and the second fixing plate.
3. The fabricated flue gas condenser of claim 1 wherein the end face of the fixed flange and/or the second flange is provided with a groove.
4. The fabricated flue gas condenser of claim 1 wherein the condensing unit is provided in plurality.
5. The fabricated flue gas condenser of claim 4 wherein the condensing units are connected in parallel.
6. The fabricated flue gas condenser of claim 1 wherein the condenser tube is a bellows.
7. The fabricated flue gas condenser of claim 6 wherein the bellows is a metal bellows.
8. The fabricated flue gas condenser of claim 1 wherein the water inlet is disposed at an outlet end and the water outlet is disposed at an inlet end.
9. The fabricated flue gas condenser of claim 1 wherein the water inlet is at a lower elevation than the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623002.4A CN108759501B (en) | 2018-06-15 | 2018-06-15 | Assembled flue gas condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623002.4A CN108759501B (en) | 2018-06-15 | 2018-06-15 | Assembled flue gas condenser |
Publications (2)
| Publication Number | Publication Date |
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| CN108759501A CN108759501A (en) | 2018-11-06 |
| CN108759501B true CN108759501B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810623002.4A Active CN108759501B (en) | 2018-06-15 | 2018-06-15 | Assembled flue gas condenser |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066746A (en) * | 2020-09-03 | 2020-12-11 | 苏州市腾中钛设备制造有限公司 | Flue gas condenser and flue gas condenser row |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201229142Y (en) * | 2007-12-14 | 2009-04-29 | 华南理工大学 | Detachable heat exchanger for experiment |
| CN101216263A (en) * | 2008-01-18 | 2008-07-09 | 河北工业大学 | Pipe shell type heat-exchanger |
| CN201748700U (en) * | 2010-07-30 | 2011-02-16 | 山东川仪经营成套有限公司 | Flue gas condenser |
| CN203443466U (en) * | 2013-07-24 | 2014-02-19 | 廊坊广厦新源石化设备制造有限公司 | Condenser |
| CN203980959U (en) * | 2013-09-17 | 2014-12-03 | 广州联合冷热设备有限公司 | Detachable heat exchanger |
| CN203772105U (en) * | 2014-03-20 | 2014-08-13 | 武汉东海石化重型装备有限公司 | Detachable type connection structure between heat exchange pipe and pipe plate |
| CN105202963B (en) * | 2015-09-29 | 2017-12-08 | 茂名重力石化装备股份公司 | A kind of non-solder forced sealing structure of exchanger tubes and tubesheets |
| CN206959344U (en) * | 2017-04-25 | 2018-02-02 | 西安巴洛特热能科技有限公司 | A kind of gas normal-pressure hot-water boiler flue gas condenser |
| CN206944809U (en) * | 2017-07-07 | 2018-01-30 | 金川集团股份有限公司 | A kind of dismountable pipe heat exchanger |
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2018
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Effective date of registration: 20200618 Address after: 277500 No. 1368 Tengfei East Road, Tengzhou Economic Development Zone, Zaozhuang, Shandong Patentee after: SHANDONG LONGTAI POWER STATION TECHNOLOGY Co.,Ltd. Address before: 277599 No. 13, No. 160 Xinxing Middle Road, Tengzhou, Zaozhuang, Shandong. Patentee before: Sun Chongzheng |