CN211601615U - Closed-loop circulating cooling water system of steam condenser - Google Patents
Closed-loop circulating cooling water system of steam condenser Download PDFInfo
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- CN211601615U CN211601615U CN201922290169.6U CN201922290169U CN211601615U CN 211601615 U CN211601615 U CN 211601615U CN 201922290169 U CN201922290169 U CN 201922290169U CN 211601615 U CN211601615 U CN 211601615U
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Abstract
The utility model discloses a closed circulating cooling water system of steam turbine condenser, including condenser body, cooling tower, water tank, the pump body and the heat exchange tube of setting in the condenser body is inside, the intercommunication has the hot water calandria between condenser body and the cooling tower, the intercommunication has first pipeline between cooling tower and the water tank, the intercommunication has the second pipeline between the pump body and the condenser body, the overcoat cover has been cup jointed in the outside of hot water calandria, and the both ends of overcoat cover are provided with outlet duct and intake pipe respectively, one side of overcoat cover is provided with the air-blower, the air outlet department of air-blower is provided with the toper cover, and the one end fixed mounting of toper cover has the air duct, air duct and intake pipe flange joint, connecting thread has been seted up to the one end medial surface of heat exchange tube. The utility model discloses abundant utilization the longer water conservancy diversion pipeline of hot water calandria, the cooling air current that the air-blower produced reunion to effectual radiating rate of accelerating the cooling water has satisfied actual user demand.
Description
Technical Field
The utility model relates to a condenser technical field especially relates to steam turbine condenser closed cycle cooling water system.
Background
The condenser is a heat exchanger for condensing the exhaust steam of the steam turbine into water, and is also called a water re-condenser, the condenser is mainly used in a steam turbine power device and is divided into a water-cooling condenser and an air-cooling condenser, wherein the water-cooling condenser is widely used, and cooling water in the water-cooling condenser can be cooled by a cooling tower after absorbing heat, so as to realize recycling.
Condenser cooling water circulation system among the prior art is when in actual use, the cooling of cooling water relies on the cooling tower to realize the cooling completely, greatly increased the work load of cooling tower, and along with the lapse of time, the temperature of cooling water can be higher and higher, the effect of simply cooling through the cooling tower can worsen gradually, influence actual use, secondly, the inside heat exchange tube of condenser is when the drainage cooling water, because the internal surface of heat exchange tube is smooth, lead to the cooling water can not take place to roll, thereby the outer wall temperature of cooling water post risees and the unchangeable condition of central temperature will appear, the heat absorption efficiency is low, the condensation effect is poor, therefore, we propose steam turbine condenser closed cycle cooling water system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a closed-circuit circulating cooling water system of a steam turbine condenser.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a closed-cycle cooling water system of a steam turbine condenser comprises a condenser body, a cooling tower, a water tank, a pump body and a heat exchange tube arranged inside the condenser body, wherein a hot water discharge tube is communicated between the condenser body and the cooling tower, a first pipeline is communicated between the cooling tower and the water tank, a second pipeline is communicated between the pump body and the condenser body, an outer jacket is sleeved outside the hot water discharge tube, an air outlet tube and an air inlet tube are respectively arranged at two ends of the outer jacket, a blower is arranged on one side of the outer jacket, a conical cover is arranged at an air outlet of the blower, an air guide tube is fixedly arranged at one end of the conical cover and is in flange connection with the air inlet tube, a connecting thread is arranged on the inner side surface of one end of the heat exchange tube, an external thread tube is arranged at one end of the heat exchange tube and is in threaded connection, the utility model discloses a hot water pump, including the outer screw tube, the outer jacket, the pump body, the one end welding of outer screw tube has the spacing ring, and the other end welded connection of outer screw tube has the flight, welded connection has a plurality of fin between hot water calandria and the outer jacket, the end cover all has been welded at the both ends of outer jacket, the pump body all with external power supply electric connection with the air-blower.
Preferably, the both ends of hot water calandria respectively with the cooling water export of condenser body and the water inlet flange joint of cooling tower, the both ends of first pipeline respectively with the delivery port of cooling tower and the water inlet flange joint of water tank, the both ends of second pipeline respectively with the delivery port of the pump body and the cooling water inlet flange joint of condenser body, the intercommunication has the third pipeline between the pump body and the water tank.
Preferably, the other end of the conical cover is fixedly installed at an air outlet of the air blower through a screw, and a rubber gasket is arranged between the conical cover and the air blower.
Preferably, the outer diameter of the limiting ring is equal to the outer diameter of the heat exchange tube, the inner diameter of the limiting ring is equal to the inner diameter of the external thread tube, and the spiral piece is located inside the heat exchange tube.
Preferably, the outer surfaces of the outer jacket and the end cover are coated with paint, and the radiating fins are made of copper materials.
Preferably, one end of the air outlet pipe is provided with a metal mesh enclosure, the metal mesh enclosure is fixedly mounted on the air outlet pipe through mounting bolts, and the number of the mounting bolts is four.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in through setting up jacket, outlet duct, intake pipe, air-blower, conical cover, air duct, fin and end cover, abundant utilization the longer water conservancy diversion pipeline of hot water calandria, the air current that the air-blower produced reunites to the effectual radiating rate who accelerates the cooling water has satisfied actual user demand.
2. The utility model discloses in through setting up connecting thread, external screw tube, spacing ring and flight, utilize the effect of flight to make the inside cooling water of heat exchange tube can be continuous roll to showing and having improved heat absorption efficiency, the in-service use is effectual.
3. The utility model discloses in through setting up metal mesh enclosure and construction bolt, can prevent that the foreign matter from entering into the inside that the overcoat pressed from both sides the cover, avoided the condition that the overcoat pressed from both sides the cover and blockked up, and prolonged the maintenance cycle that the overcoat pressed from both sides the cover, reduced use cost.
To sum up, the utility model discloses abundant utilization the longer water conservancy diversion pipeline of hot water calandria, the cooling air current that the air-blower produced combines again to effectual radiating rate who accelerates the cooling water has satisfied actual user demand.
Drawings
Fig. 1 is a schematic view of the overall structure of a closed-circuit circulating cooling water system of a steam turbine condenser provided by the present invention;
fig. 2 is a partial cross-sectional view of a heat exchange tube of a closed-circuit circulating cooling water system of a steam turbine condenser provided by the utility model;
fig. 3 is a cross-sectional view of an outer jacket of a closed-circuit circulating cooling water system of a steam turbine condenser provided by the utility model;
fig. 4 is a cross-sectional enlarged view of a portion a in fig. 1 of the closed-circuit circulating cooling water system for the steam turbine condenser of the present invention;
fig. 5 is a partial cross-sectional view of the outlet duct of the closed circulating cooling water system of the steam turbine condenser of the present invention.
In the figure: the condenser comprises a condenser body 1, a cooling tower 2, a water tank 3, a pump body 4, a heat exchange tube 5, a hot water discharge tube 6, a first pipeline 7, a second pipeline 8, an outer jacket 9, an air outlet tube 10, an air inlet tube 11, an air blower 12, a conical cover 13, an air guide tube 14, a connecting thread 15, an outer threaded tube 16, a limiting ring 17, a spiral slice 18, a cooling fin 19, an end cover 20, a metal mesh cover 21 and a mounting bolt 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The first embodiment is as follows:
referring to fig. 1-4, the closed-circuit circulating cooling water system for a steam condenser comprises a condenser body 1, a cooling tower 2, a water tank 3, a pump body 4 and a heat exchange tube 5 arranged inside the condenser body 1, a hot water exhaust tube 6 is communicated between the condenser body 1 and the cooling tower 2, a first pipeline 7 is communicated between the cooling tower 2 and the water tank 3, a second pipeline 8 is communicated between the pump body 4 and the condenser body 1, an outer jacket 9 is sleeved outside the hot water exhaust tube 6, an air outlet tube 10 and an air inlet tube 11 are respectively arranged at two ends of the outer jacket 9, an air blower 12 is arranged at one side of the outer jacket 9, a conical cover 13 is arranged at an air outlet of the air blower 12, an air guide tube 14 is fixedly arranged at one end of the conical cover 13, the air guide tube 14 is in flange connection with the air inlet tube 11, a connecting thread 15 is arranged on the inner side surface of one, the external thread pipe 16 is connected inside the heat exchange pipe 5 through the connecting thread 15, a limiting ring 17 is welded at one end of the external thread pipe 16, a spiral piece 18 is welded at the other end of the external thread pipe 16, a plurality of cooling fins 19 are welded between the hot water exhaust pipe 6 and the outer jacket 9, end covers 20 are welded at two ends of the outer jacket 9, and the pump body 4 and the air blower 12 are electrically connected with an external power supply.
The two ends of the hot water discharge pipe 6 are respectively connected with a cooling water outlet of the condenser body 1 and a water inlet flange of the cooling tower 2, the two ends of the first pipeline 7 are respectively connected with a water outlet of the cooling tower 2 and a water inlet flange of the water tank 3, the two ends of the second pipeline 8 are respectively connected with a water outlet of the pump body 4 and a cooling water inlet flange of the condenser body 1, a third pipeline is communicated between the pump body 4 and the water tank 3, the other end of the conical cover 13 is fixedly installed at an air outlet of the air blower 12 through screws, a rubber gasket is arranged between the conical cover 13 and the air blower 12, the outer diameter of the limiting ring 17 is equal to the outer diameter of the heat exchange pipe 5, the inner diameter of the limiting ring 17 is equal to the inner diameter of the external threaded pipe 16, the spiral piece 18 is located inside the heat exchange pipe 5, paint is coated on the outer surfaces.
Example two:
referring to fig. 1-5, the closed-circuit circulating cooling water system for a steam condenser comprises a condenser body 1, a cooling tower 2, a water tank 3, a pump body 4 and a heat exchange tube 5 arranged inside the condenser body 1, a hot water exhaust tube 6 is communicated between the condenser body 1 and the cooling tower 2, a first pipeline 7 is communicated between the cooling tower 2 and the water tank 3, a second pipeline 8 is communicated between the pump body 4 and the condenser body 1, an outer jacket 9 is sleeved outside the hot water exhaust tube 6, an air outlet tube 10 and an air inlet tube 11 are respectively arranged at two ends of the outer jacket 9, an air blower 12 is arranged at one side of the outer jacket 9, a conical cover 13 is arranged at an air outlet of the air blower 12, an air guide tube 14 is fixedly arranged at one end of the conical cover 13, the air guide tube 14 is in flange connection with the air inlet tube 11, a connecting thread 15 is arranged on the inner side surface of one, the external thread pipe 16 is connected inside the heat exchange pipe 5 through the connecting thread 15, a limiting ring 17 is welded at one end of the external thread pipe 16, a spiral piece 18 is welded at the other end of the external thread pipe 16, a plurality of cooling fins 19 are welded between the hot water exhaust pipe 6 and the outer jacket 9, end covers 20 are welded at two ends of the outer jacket 9, and the pump body 4 and the air blower 12 are electrically connected with an external power supply.
The two ends of a hot water calandria 6 are respectively connected with a cooling water outlet of a condenser body 1 and a water inlet of a cooling tower 2 through flanges, the two ends of a first pipeline 7 are respectively connected with a water outlet of the cooling tower 2 and a water inlet of a water tank 3 through flanges, the two ends of a second pipeline 8 are respectively connected with a water outlet of a pump body 4 and a cooling water inlet of the condenser body 1 through flanges, a third pipeline is communicated between the pump body 4 and the water tank 3, the other end of a conical cover 13 is fixedly arranged at an air outlet of an air blower 12 through screws, a rubber gasket is arranged between the conical cover 13 and the air blower 12, the outer diameter of a limiting ring 17 is equal to the outer diameter of a heat exchange tube 5, the inner diameter of the limiting ring 17 is equal to the inner diameter of an external threaded tube 16, a spiral sheet 18 is positioned inside the heat exchange tube 5, paint is coated on the outer surfaces of an outer jacket 9, and the metal mesh enclosure 21 is fixedly installed on the outlet pipe 10 through the installation bolts 22, and the number of the installation bolts 22 is four.
The working principle is as follows: when the condenser is used, cooling water in the water tank 3 is pumped into the condenser body 1 by the pump body 4 through the second pipeline 8, the cooling water slowly passes through the heat exchange tube 5 under the action of pressure, the temperature of steam discharged by the steam turbine is rapidly reduced after the steam meets the heat exchange tube 5 with lower temperature, so that the steam in the steam is condensed into water drops, in the process that the cooling water passes through the heat exchange tube 5, the cooling water in the heat exchange tube 5 continuously rolls due to the existence of the spiral sheet 18, so that the cooling water with higher temperature can be rapidly mixed with the cooling water with lower temperature, the heat absorption efficiency of the cooling water is obviously improved, the cooling water after absorbing heat enters the cooling tower 2 through the hot water discharge pipe 6 for cooling, the obtained cooling water returns to the inside of the water tank 3 again through the first pipeline 7, the recycling of the cooling water is realized, and in the process that the cooling water passes through the hot water discharge pipe 6, the heat contained in the cooling water is firstly transferred to the hot water calandria 6, and then transferred to the heat dissipation fins 19 and the outer jacket 9, at this time, the air flow generated by the blower 12 enters the inner part of the outer jacket 9 through the conical cover 13, the air duct 14 and the air inlet pipe 11, and under the action of air pressure, the air flow rapidly passes through the gap between two adjacent heat dissipation fins 19 to take away the heat on the heat dissipation fins 19 and the outer jacket 9, the final hot air flow is discharged through the air outlet pipe 10, the first temperature reduction of the cooling water is realized, the workload of the cooling tower 2 is reduced, the mounting and dismounting of the spiral sheet 18 are facilitated by the external threaded pipe 16 matching with the connecting thread 15, the limiting ring 17 is used for limiting the position of the external threaded pipe 16, the end cover 20 is used for preventing the gas from being dissipated from the end part of the outer jacket 9, compared with the first embodiment, the second embodiment, the metal mesh cover 21 is mounted at, can prevent that the foreign matter from entering into the inside that the cover 9 was pressed from both sides to the cover 9, avoided the condition that the cover 9 blockked up, and prolonged the maintenance cycle that the cover 9 was pressed from both sides outward, reduced use cost, the utility model discloses abundant utilization the longer water conservancy diversion pipeline of hot water calandria 6, the cooling air current that reunion air-blower 12 produced to effectual radiating rate of accelerating the cooling water has satisfied actual user demand.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A closed-loop circulating cooling water system of a steam condenser comprises a condenser body (1), a cooling tower (2), a water tank (3), a pump body (4) and a heat exchange pipe (5) arranged inside the condenser body (1), and is characterized in that a hot water exhaust pipe (6) is communicated between the condenser body (1) and the cooling tower (2), a first pipeline (7) is communicated between the cooling tower (2) and the water tank (3), a second pipeline (8) is communicated between the pump body (4) and the condenser body (1), an outer jacket (9) is sleeved outside the hot water exhaust pipe (6), an air outlet pipe (10) and an air inlet pipe (11) are respectively arranged at two ends of the outer jacket (9), an air outlet (12) is arranged at one side of the outer jacket (9), a conical cover (13) is arranged at an air outlet of the air blower (12), and an air guide pipe (14) is fixedly arranged at one end of the conical cover (13), air duct (14) and intake pipe (11) flange joint, connecting thread (15) have been seted up to the one end medial surface of heat exchange tube (5), and the one end of heat exchange tube (5) is provided with external screw thread pipe (16), external screw thread pipe (16) are through connecting thread (15) threaded connection in the inside of heat exchange tube (5), the one end welding of external screw thread pipe (16) has spacing ring (17), and the other end welded connection of external screw thread pipe (16) has flight (18), welded connection has a plurality of fin (19) between hot water calandria (6) and the outer cover (9), end cover (20) have all been welded at the both ends of outer cover (9), the pump body (4) and air-blower (12) all with external power supply electric connection.
2. The steam condenser closed-circuit circulating cooling water system according to claim 1, wherein two ends of the hot water discharge pipe (6) are respectively connected with a cooling water outlet of the condenser body (1) and a water inlet of the cooling tower (2) in a flange manner, two ends of the first pipeline (7) are respectively connected with a water outlet of the cooling tower (2) and a water inlet of the water tank (3) in a flange manner, two ends of the second pipeline (8) are respectively connected with a water outlet of the pump body (4) and a cooling water inlet of the condenser body (1) in a flange manner, and a third pipeline is communicated between the pump body (4) and the water tank (3).
3. The steam condenser closed-circuit circulating cooling water system as claimed in claim 1, wherein the other end of the conical cover (13) is fixedly mounted at an air outlet of the blower (12) through a screw, and a rubber gasket is arranged between the conical cover (13) and the blower (12).
4. The steam condenser closed-circuit circulating cooling water system as claimed in claim 1, wherein the outer diameter of the limiting ring (17) is equal to the outer diameter of the heat exchange tube (5), the inner diameter of the limiting ring (17) is equal to the inner diameter of the external threaded tube (16), and the spiral piece (18) is located inside the heat exchange tube (5).
5. The steam condenser closed-circuit circulating cooling water system as claimed in claim 1, wherein the outer surfaces of the outer jacket (9) and the end cover (20) are coated with paint, and the heat radiating fins (19) are made of copper.
6. The steam turbine condenser closed-circuit circulating cooling water system as claimed in claim 1, wherein one end of the air outlet pipe (10) is provided with a metal mesh enclosure (21), the metal mesh enclosure (21) is fixedly mounted on the air outlet pipe (10) through mounting bolts (22), and the number of the mounting bolts (22) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290169.6U CN211601615U (en) | 2019-12-19 | 2019-12-19 | Closed-loop circulating cooling water system of steam condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290169.6U CN211601615U (en) | 2019-12-19 | 2019-12-19 | Closed-loop circulating cooling water system of steam condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211601615U true CN211601615U (en) | 2020-09-29 |
Family
ID=72593489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922290169.6U Expired - Fee Related CN211601615U (en) | 2019-12-19 | 2019-12-19 | Closed-loop circulating cooling water system of steam condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211601615U (en) |
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2019
- 2019-12-19 CN CN201922290169.6U patent/CN211601615U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211219 |