CN200978685Y - Energy-saving discharge device with built-in heat exchanger - Google Patents
Energy-saving discharge device with built-in heat exchanger Download PDFInfo
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- CN200978685Y CN200978685Y CN 200620022178 CN200620022178U CN200978685Y CN 200978685 Y CN200978685 Y CN 200978685Y CN 200620022178 CN200620022178 CN 200620022178 CN 200620022178 U CN200620022178 U CN 200620022178U CN 200978685 Y CN200978685 Y CN 200978685Y
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Abstract
An energy-saving exhaust steam device with a built-in heat interchanger relates to an exhaust steam device. The device is to separate the demineralizing water from the condensed water absolutely, heat the demineralizing water with dead steam of the steam turbine, thereby the demineralizing water goes into other devices for deoxygenization after absorbing energy, the economical efficiency of the machine set is improved, and the service life of the low-pressure heater is ensured. The back end of the condensed water spray pipe (3) of the utility model goes through the front side wall of the shell (1), is arranged in the shell (1) and fixedly connected to the back side wall of the shell (1), the front end of the heat interchanger (2) is suspended from the shell (1), the back end of the heat interchanger (2) goes through the front side wall and back side wall and is suspended from the shell (1), the heat interchanger (2) arranged in the shell (1) is fixedly connected to the inner wall of the shell (1) through a connecting pipe (4). The utility model is to provide a heat interchanger in the shell of the exhaust steam device, interchange heat for the demineralizing water and the dead steam through the heat interchanger, thereby, compared to the prior exhaust steam device, the dead steam energy is fully made use, the cold source loss of the steam turbine is reduced, and the economical efficiency of the machine set is improved.
Description
Technical field
The utility model relates to a kind of steam exhaust device.
Background technique
Have now and be a large amount of steam-extracting type air-cooled steam turbine generator group and back pressure units that are equipped with the hot user of vapour such as Craft in Chemical Industrial Area, need to replenish the balance that a large amount of demineralized waters keeps boiler feed capacity, if a large amount of demineralized waters directly sprays and only utilizes exhaust steam in steam turbine heating deoxygenation in the steam exhaust device, not only the dissolved oxygen of demineralized water does not reach requirement, pollute water of condensation, reduce the working life of equipment such as low-pressure heater, also further increase the weight of the burden of oxygen-eliminating device, the Economy of unit is reduced.
The model utility content
The purpose of this utility model provides a kind of energy-saving steam exhaust device with built-in heat exchanger, it is kept apart demineralized water and water of condensation fully, utilize exhaust steam in steam turbine heating demineralized water, demineralized water enters the miscellaneous equipment deoxygenation after absorbing energy, so not only the exhaust steam of steam turbine obtains utilizing, improve the Economy of unit, and water of condensation is not contaminated, also be guaranteed the working life of low-pressure heater.
The utility model comprises housing and water of condensation water pipeline; The front panel that housing is passed in the rear end of described water of condensation water pipeline is contained in the housing and is affixed with the rear sidewall of housing, and the front end of water of condensation water pipeline is exposed at the housing outside; The utility model also comprises heat exchanger and connecting tube; The front end of described heat exchanger is exposed at the outside of housing, and the front panel of housing and the outside that rear sidewall is exposed at housing are passed in the rear end of heat exchanger, and the heat exchanger that is contained in the housing is affixed by the inwall of connecting tube and housing.
The utlity model has following beneficial effect: one, the utility model is provided with heat exchanger in the enclosure interior of steam exhaust device, and the exhaust steam of steam turbine and demineralized water pass through the heat exchanger heat exchange, and keeps apart fully with the water of condensation that ACC (air cooling island) comes.Demineralized water and exhaust steam are carried out exchange heat by heat exchanger, and heat absorption back temperature rises, and from front to back, flow out after four times by back to preceding turning back through heat exchanger.Therefore the utility model is compared with existing steam exhaust device, can make full use of the exhaust steam energy of steam turbine, has reduced the steam turbine cold source energy, has saved the energy, has improved the Economy of unit, does not also influence the working life of equipment such as low-pressure heater simultaneously.Two, the utility model flow direction abundant backheat water of condensation also of utilizing the heat exchanger steam flow reduces the Subcoold temperature of water of condensation, has simplified the deaerating plant of water of condensation.Three, the utility model also can make the vapour concentration in the vapour gas mixture reduce in a large number, has reduced vapour losses, also can reduce the heat exchange area on air cooling island indirectly simultaneously.
Description of drawings
Fig. 1 is an overall structure plan view of the present utility model, Fig. 2 be the A of Fig. 1 to view, Fig. 3 is the right elevation of Fig. 1, Fig. 4 be the B of Fig. 3 to view, Fig. 5 is the C-C sectional drawing of Fig. 3, Fig. 6 is the D-D sectional drawing of Fig. 3, Fig. 7 is the mounting point figure that air is extracted pipe 10 out, and Fig. 8 is the E-E sectional view of Fig. 7.
Embodiment
Embodiment one: in conjunction with Fig. 1 present embodiment is described, present embodiment is made up of housing 1 and water of condensation water pipeline 3, heat exchanger 2 and connecting tube 4; The front panel that housing 1 is passed in the rear end of described water of condensation water pipeline 3 be contained in the housing 1 and with the rear sidewall welding of housing 1, the front end of water of condensation water pipeline 3 is exposed at housing 1 outside, the front end of described heat exchanger 2 is exposed at the outside of housing 1, the front panel of housing 1 and the outside that rear sidewall is exposed at housing 1 are passed in the rear end of heat exchanger 2, and the heat exchanger 2 that is contained in the housing 1 is affixed with the inwall of housing 1 by connecting tube 4.
Embodiment two: in conjunction with Fig. 1 present embodiment is described, the water of condensation water pipeline 3 of present embodiment is made up of main pipe 35, jet pipe 36 and nozzle 37; The front end of described main pipe 35 is exposed at the outside of housing 1, and the front panel of housing 1 and the outside that rear sidewall is exposed at housing 1 are passed in the rear end of main pipe 35, and main pipe 35 connects with jet pipe 36, in the hole for water spraying of jet pipe 36 lower ends nozzle 37 is housed.So be provided with, the water of condensation that the ACC system comes from top to bottom sprays by the nozzle 37 that is installed on the jet pipe 36, and the surface area of water of condensation is exaggerated hundred times, has guaranteed area of contact and time of contact with steam.Other composition and annexation are identical with embodiment one.
Embodiment three: in conjunction with Fig. 1, Fig. 3, Fig. 5, Fig. 7 and Fig. 8 present embodiment is described, the heat exchanger 2 of present embodiment is extracted pipe 10 out by front shroud 5, front water chamber 6, heat exchanging tube 7, intermediate support plate 8, back hydroecium 9 and air and is formed; Described front water chamber 6 and the back hydroecium 9 between from top to bottom, configurate uniform heat exchanging tube 7 from left to right, corresponding pore expanded joint on the front end of described heat exchanging tube 7 and front water chamber 6 rear sidewalls, guarantee that heat exchanging tube 7 is communicated with front water chamber 6, the corresponding pore expanded joint on one group of intermediate support plate 8 and back hydroecium 9 front panels is passed in the rear end of heat exchanging tube 7, guarantee that heat exchanging tube 7 is communicated with back hydroecium 9, described intermediate support plate 8 is affixed with the inwall of described housing 1 by described connecting tube 4, front water chamber 6 and back hydroecium 9 are exposed at the outside of described housing 1 respectively, and described air is extracted pipe 10 out and extracted pipe 11 out by left air, right air extracts pipe 12 out and main connecting tube 13 is formed; Described left air extracts pipe 11 out and right air is extracted the pipe 12 big positions of air concentration that are symmetrical set in the central axis both sides of heat exchanger 2 out, the rear sidewall that the air outlet slit end that the air outlet slit end of described left air extraction pipe 11 and right air are extracted pipe 12 out passes front water chamber 6 respectively is communicated with described main connecting tube 13, the right side wall that front water chamber 6 is passed in the outer end of described main connecting tube 13 is arranged on the outside of front water chamber 6, left side air is extracted pipe 11 and right air out, and to extract pipe 12 out affixed with the inwall of described housing 1 by one group of intermediate support plate 8 and connecting tube 4 respectively, and the front panel of front water chamber 6 and front shroud 5 are connected by bolt.So be provided with, demineralized water carries out exchange heat in front water chamber 6 flow into heat exchanging tube 7 and with the exhaust steam of heat exchanging tube 7 outsides, heat absorption back temperature rises, flow into back hydroecium 9, flow out from front water chamber 6 behind four bafflings, exhaust steam of not condensing fully after the heat exchange and little air are extracted pipe 10 out through air and are extracted out again.In order to prevent heat exchanging tube 7 vibrations, guarantee that heat exchanging tube 7 does not catchment, the front end of heat exchanging tube 7 can downward-sloping certain angle.The tube bank layout design mode of heat exchanger 7 adopts the stringing pattern of large condenser routine, can reduce the resistance of flow of steam, meet the flow of steam characteristic, the steam load distributed uniform, the vapour gas mixture that does not condense is at last extracted pipe 10 out along air and is drawn out to air ejector from front water chamber 6.Other composition and annexation are identical with embodiment one.
Embodiment four: in conjunction with Fig. 3 and Fig. 4 present embodiment is described, the front shroud 5 of present embodiment is provided with first manhole 16 that communicates with described front water chamber 6, with convenient maintenance.Other composition and annexation are identical with embodiment three.
Embodiment five: in conjunction with Fig. 3 and Fig. 5 present embodiment is described, the front water chamber 6 of present embodiment is made up of preceding casing 17, first dividing plate 18, second partition 19, preceding intake pipe 20 and preceding outlet pipe 21; The below of the central axis before described first dividing plate 18 is horizontally set in the casing 17, first dividing plate 18 welds with the inwall of preceding casing 17, described second partition 19 is vertically set on the neutral position between the bottom end in first dividing plate 18 and the preceding casing 17, second partition 19 respectively with first dividing plate 18 and preceding casing 17 in front panel, rear sidewall and bottom end welding, preceding casing 17 is divided into go forward casing 22 and down preceding casing by first dividing plate 18, casing is divided into before the lower-left casing 25 before the casing 24 and bottom right by second partition 19 down, described upper-end surface of going forward casing 22 is provided with preceding vent hole 26, convenient venting, the bottom end of casing 25 is communicated with described preceding intake pipe 20 before the described bottom right, and the bottom end of casing 24 is communicated with described preceding outlet pipe 21 before the described lower-left; Before described go forward casing 22, the lower-left before casing 24 and the bottom right inner chamber of casing 25 be communicated with pairing heat exchanging tube 7 respectively.So be provided with, can guarantee four bafflings of demineralized water.Other composition and annexation are identical with embodiment three.
Embodiment six: in conjunction with Fig. 3 and Fig. 6 present embodiment is described, the back hydroecium 9 of present embodiment is made up of rear box 27 and the 3rd dividing plate 28; Described the 3rd dividing plate 28 is vertically set on the neutral position in the rear box 27, the 3rd dividing plate 28 respectively with rear box 27 in front panel, rear sidewall, upper-end surface and bottom end welding, rear box 27 is divided into left back casing 29 and right back casing 30 by the 3rd dividing plate 28, the rear end that described left air is extracted pipe 11 out is arranged in the left back casing 29, the rear end that described right air is extracted pipe 12 out is arranged in the right back casing 30, the upper-end surface of the upper-end surface of left back casing 29 and right back casing 30 is respectively equipped with back vent hole 31, convenient venting, the bottom end of the bottom end of left back casing 29 and right back casing 30 is respectively equipped with dewatering orifice 32, back, the rear sidewall of the rear sidewall of left back casing 29 and right back casing 30 is respectively equipped with second manhole 33 with convenient maintenance, and the inner chamber of left back casing 29 and right back casing 30 is communicated with pairing heat exchanging tube 7 respectively.So be provided with, can guarantee four bafflings of demineralized water.Other composition and annexation are identical with embodiment three.
Embodiment seven: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, the difference of present embodiment and embodiment one is: present embodiment also increases guide plate 34; Described guide plate 34 is arranged on the left bottom of the water of condensation water pipeline 3 in the described housing 1, the front-end face of guide plate 34, ear end face and left side respectively with housing 1 in front panel, rear sidewall and left side wall welding, the cross section of guide plate 34 is a circular shape.So be provided with, other one exhaust steam of steam turbine is from bottom to top flowed by guide plate 34, get final product the water of condensation of Recuperative heat exchanger 2, can be utilized the Subcoold temperature that reduces ACC system water of condensation again, the water of condensation that the ACC system comes from top to bottom sprays by the nozzle 37 that is installed on the jet pipe 36, and the surface area of water of condensation is exaggerated hundred times, has guaranteed the area of contact and the time of contact of water of condensation and steam, reduce Subcoold temperature, and guaranteed the oxygen content of whole draining system.
Working procedure: demineralized water is entered into by preceding intake pipe 20 before the bottom right of front water chamber 6 in the casing 25, after heat exchanging tube 7 through being communicated with casing 25 before the bottom right enters in the right back casing 30 of hydroecium 9, demineralized water upwards enters in the casing 22 of going forward of front water chamber 6 by the heat exchanging tube 7 that is communicated with right back casing 30, after heat exchanging tube 7 through being communicated with the casing 22 of going forward enters into again in the left back casing 29 of hydroecium 9, demineralized water enters in the heat exchanging tube 7 that is communicated with left back casing 29 again, final demineralisation water enters into before the lower-left of front water chamber 6 in the casing 24, and by preceding outlet pipe 21 outflows, demineralized water one has four times baffling process, demineralized water flows through heat exchanging tube 7 each time and all with by the exhaust steam of heat exchanging tube 7 outer walls carries out exchange heat, heat absorption back temperature rises, and exhaust steam of not condensing fully after the heat exchange and little air are extracted pipe 10 out through air and discharged.
Claims (8)
1, a kind of energy-saving steam exhaust device with built-in heat exchanger, its composition comprises housing (1) and water of condensation water pipeline (3); The front panel that housing (1) is passed in the rear end of described water of condensation water pipeline (3) is contained in the housing (1) and is affixed with the rear sidewall of housing (1), and the front end of water of condensation water pipeline (3) is exposed at housing (1) outside; It is characterized in that it also comprises heat exchanger (2) and connecting tube (4); The front end of described heat exchanger (2) is exposed at the outside of housing (1), the front panel of housing (1) and the outside that rear sidewall is exposed at housing (1) are passed in the rear end of heat exchanger (2), and the heat exchanger (2) that is contained in the housing (1) is affixed with the inwall of housing (1) by connecting tube (4).
2, the energy-saving steam exhaust device of band built-in heat exchanger according to claim 1 is characterized in that described water of condensation water pipeline (3) is made up of main pipe (35), jet pipe (36) and nozzle (37); The front end of described main pipe (35) is exposed at the outside of housing (1), the front panel of housing (1) and the outside that rear sidewall is exposed at housing (1) are passed in the rear end of main pipe (35), main pipe (35) connects with jet pipe (36), in the hole for water spraying of jet pipe (36) lower end nozzle (37) is housed.
3, the energy-saving steam exhaust device of band built-in heat exchanger according to claim 1 is characterized in that described heat exchanger (2) is extracted out by front shroud (5), front water chamber (6), heat exchanging tube (7), intermediate support plate (8), back hydroecium (9) and air to manage (10) and form; Between described front water chamber (6) and back hydroecium (9) from top to bottom, configurate uniform heat exchanging tube (7) from left to right, the front end of described heat exchanging tube (7) is communicated with front water chamber (6), the rear end of heat exchanging tube (7) is passed one group of intermediate support plate (8) and is communicated with back hydroecium (9), described intermediate support plate (8) is affixed with the inwall of described housing (1) by described connecting tube (4), front water chamber (6) and back hydroecium (9) are exposed at the outside of described housing (1) respectively, and described air is extracted pipe (10) out and extracted pipe (11) out by left air, right air extracts pipe (12) out and main connecting tube (13) is formed; Described left air extraction pipe (11) and right air extraction pipe (12) are symmetrical set the both sides at the central axis of heat exchanger (2), the rear sidewall that the air outlet slit end of the air outlet slit end of described left air extraction pipe (11) and right air extraction pipe (12) passes front water chamber (6) respectively is communicated with described main connecting tube (13), the right side wall that front water chamber (6) is passed in the outer end of described main connecting tube (13) is arranged on the outside of front water chamber (6), left side air extracts pipe (11) out and right air extraction pipe (12) is affixed with the inwall of described housing (1) by one group of intermediate support plate (8) and connecting tube (4) respectively, and the front panel of front water chamber (6) is connected with front shroud (5).
4, the energy-saving steam exhaust device of band built-in heat exchanger according to claim 3 is characterized in that described front shroud (5) is provided with first manhole (16) that communicates with described front water chamber (6).
5, the energy-saving steam exhaust device of band built-in heat exchanger according to claim 3 is characterized in that described front water chamber (6) is made up of preceding casing (17), first dividing plate (18), second partition (19), preceding intake pipe (20) and preceding outlet pipe (21); Described first dividing plate (18) is horizontally set on the below of the central axis in the preceding casing (17), first dividing plate (18) is affixed with the inwall of preceding casing (17), described second partition (19) is vertically set on the neutral position between the bottom end in first dividing plate (18) and the preceding casing (17), second partition (19) respectively with first dividing plate (18) and preceding casing (17) in front panel, rear sidewall and bottom end are affixed, preceding casing (17) is divided into casing of going forward (22) and down preceding casing by first dividing plate (18), casing is divided into before the lower-left casing (25) before the casing (24) and bottom right by second partition (19) down, the upper-end surface of the described casing of going forward (22) is provided with preceding vent hole (26), the bottom end of casing before the described bottom right (25) is communicated with described preceding intake pipe (20), and the bottom end of casing before the described lower-left (24) is communicated with described preceding outlet pipe (21); Before the described casing of going forward (22), the lower-left before casing (24) and the bottom right inner chamber of casing (25) be communicated with pairing heat exchanging tube (7) respectively.
6, the energy-saving steam exhaust device of band built-in heat exchanger according to claim 3 is characterized in that described back hydroecium (9) is made up of rear box (27) and the 3rd dividing plate (28); Described the 3rd dividing plate (28) is vertically set on the neutral position in the rear box (27), rear box (27) is divided into left back casing (29) and right back casing (30) by the 3rd dividing plate (28), the upper-end surface of the upper-end surface of left back casing (29) and right back casing (30) is respectively equipped with back vent hole (31), the bottom end of the bottom end of left back casing (29) and right back casing (30) is respectively equipped with dewatering orifice (32), back, the rear sidewall of the rear sidewall of left back casing (29) and right back casing (30) is respectively equipped with second manhole (33), and the inner chamber of left back casing (29) and right back casing (30) is communicated with pairing heat exchanging tube (7) respectively.
7, the energy-saving steam exhaust device of band built-in heat exchanger according to claim 3 is characterized in that it also comprises guide plate (34); Described guide plate (34) is arranged on the left bottom of the water of condensation water pipeline (3) in the described housing (1), front-end face, ear end face and the left side of guide plate (34) respectively with housing (1) in front panel, rear sidewall and left side wall affixed.
8, the energy-saving steam exhaust device of band built-in heat exchanger according to claim 7, the cross section that it is characterized in that described guide plate (34) is a circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022178 CN200978685Y (en) | 2006-12-11 | 2006-12-11 | Energy-saving discharge device with built-in heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022178 CN200978685Y (en) | 2006-12-11 | 2006-12-11 | Energy-saving discharge device with built-in heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200978685Y true CN200978685Y (en) | 2007-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620022178 Expired - Lifetime CN200978685Y (en) | 2006-12-11 | 2006-12-11 | Energy-saving discharge device with built-in heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200978685Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100404798C (en) * | 2006-12-11 | 2008-07-23 | 哈尔滨汽轮机厂辅机工程有限公司 | Energy-saving vapour-exhausting device with built-in heat exchanger |
| CN103032118A (en) * | 2012-12-21 | 2013-04-10 | 上海电气电站设备有限公司 | Steam exhaust device of steam turbine |
-
2006
- 2006-12-11 CN CN 200620022178 patent/CN200978685Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100404798C (en) * | 2006-12-11 | 2008-07-23 | 哈尔滨汽轮机厂辅机工程有限公司 | Energy-saving vapour-exhausting device with built-in heat exchanger |
| CN103032118A (en) * | 2012-12-21 | 2013-04-10 | 上海电气电站设备有限公司 | Steam exhaust device of steam turbine |
| CN103032118B (en) * | 2012-12-21 | 2015-03-25 | 上海电气电站设备有限公司 | Steam exhaust device of steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080723 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |