CN212179611U - Exhaust steam waste heat recycling and condensate water recycling device - Google Patents
Exhaust steam waste heat recycling and condensate water recycling device Download PDFInfo
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- CN212179611U CN212179611U CN202020323219.6U CN202020323219U CN212179611U CN 212179611 U CN212179611 U CN 212179611U CN 202020323219 U CN202020323219 U CN 202020323219U CN 212179611 U CN212179611 U CN 212179611U
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Abstract
The utility model relates to an exhaust steam waste heat is recycled and comdenstion water recovery unit thereof, including exhaust steam pipeline (1), exhaust steam pipeline (1) links to each other with steam inlet (2 a) on heat exchanger (2) upper portion, and the lower part of heat exchanger (2) still is equipped with steam inlet (2 a) complex outlet (2 b), both sides are equipped with a pair of matched with water inlet (2 c) and delivery port (2 d), and outlet (2 b) link to each other with condensate tank (5), and water inlet (2 c) link to each other with cooling water pump (3), and delivery port (2 d) link to each other with hot-water tank (6). The utility model has the advantages that simple structure, application scope are wide, not only can retrieve the exhaust steam comdenstion water after the heat transfer, but also the waste heat that can also make full use of exhaust steam itself has, green, high-efficient circulation has reduced white pollution, has produced apparent economic benefits and social.
Description
Technical Field
The utility model belongs to the technical field of the cyclic utilization technique of exhaust steam and specifically relates to an exhaust steam waste heat is recycled and comdenstion water recovery unit thereof.
Background
In the industrial production process, a large amount of low-pressure or micro-pressure steam is discharged, and if the discharged dead steam is not recycled in time, not only can the waste of water resources be caused, but also a large amount of heat is lost.
At present, there are many methods for recycling exhaust steam, and chinese patent with application number 201820080226.0, namely a condensed water recycling and exhaust steam utilizing device, is modified on the basis of the existing condensed water and exhaust steam utilizing device to detect the water level in the recycling tank in time, but the technical scheme described in the patent is only used for recycling the exhaust steam and the condensed water in the exhaust steam, and does not fully recycle the waste heat resource in the exhaust steam; the technical scheme adopted by the Chinese patent 'backpressure steam turbine exhaust steam system and exhaust steam utilization method' with the application number of 201910461245.7 is only suitable for a backpressure steam turbine, and meanwhile, the pressure of the exhaust steam needs to meet the requirements of users, so that the requirement on the quality of the exhaust steam is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to solve the problem that current exhaust steam recycle device application scope is little, the unable utilization of waste heat, provides an exhaust steam waste heat and condensate water recovery unit thereof, and the device simple structure can effectively utilize various exhaust steam waste heat production hot water in the industrial production process, also can retrieve the condensate water after the exhaust steam condensation simultaneously, guarantees the high-efficient cyclic utilization of exhaust steam.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste steam waste heat recycling and condensate water recycling device comprises a waste steam pipeline, wherein the waste steam pipeline is connected with a steam inlet of a heat exchanger, the heat exchanger is horizontally placed, a water outlet matched with the steam inlet and a pair of water inlet and water outlet matched with the water inlet are further arranged on the heat exchanger, and the water outlet is connected with a condensate water tank through a water drainage pipeline so as to be used for recycling condensed waste steam condensate water in the heat exchanger;
the water inlet of the heat exchanger is connected with a cooling water pump through a water inlet pipeline, the water outlet of the heat exchanger is connected with a hot water tank through a water outlet pipeline, and the heat exchanger is used for converting cold water pumped by the cooling water pump into hot water through the heat exchanger and sending the hot water into the hot water tank for utilization.
Furthermore, an exhaust device is arranged at the top of the condensation water tank, and an exhaust pipe is arranged at the top of the hot water tank and used for balancing the internal pressure of the tank body.
Furthermore, the bottom of the condensed water tank is connected with an inlet of a condensed water pump through a condensed water outlet pipe, and the bottom of the hot water tank is connected with an inlet of a hot water pump through a hot water outlet pipe.
Further, the heat exchanger is a shell-and-tube heat exchanger.
The utility model discloses used shell and tube type heat exchanger is current device, including tube side and shell side, the shell side is walked to the exhaust steam, and the tube side is walked to the cooling water, and the both ends of shell side are steam inlet and outlet respectively, and the both ends of tube side are water inlet and delivery port respectively.
The utility model discloses used exhaust apparatus includes matched with blast pipe and exhaust fan to be used for exhausting the decompression to the condensation water tank inside.
In the technical scheme of the utility model, the exhaust steam is firstly sent into the heat exchanger through the exhaust steam pipeline, the shell pass is taken away by the exhaust steam, meanwhile, the cooling water pump conveys the cooling water to be heat exchanged into the heat exchanger, and the cooling water passes through the pipe pass, so that the exhaust steam transfers heat to the cooling water in the heat exchanger, the heating of the cooling water is completed, and the heated exhaust steam is discharged into the hot water tank to supply domestic water; the exhaust steam is condensed in the heat exchange to become condensed water, and the condensed water flows into the condensed water tank from a water outlet at the bottom of the heat exchanger for recycling. The device of the utility model is simple in structure, accommodation are wide, not only can retrieve the comdenstion water behind the exhaust steam heat transfer, but also can make full use of the heat that exhaust steam itself has, reduced white pollution, green, high-efficient circulation has produced apparent economic benefits and social.
Drawings
Fig. 1 is a schematic structural view of the exhaust steam waste heat recycling and condensate water recycling device of the present invention.
Detailed Description
Example 1
In order to make the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings to further explain the present invention, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
As shown in fig. 1, a device for recycling waste heat of exhaust steam and recovering condensed water thereof comprises an exhaust steam pipeline 1, and is characterized in that:
the waste steam pipeline 1 is connected with a steam inlet 2a of a heat exchanger 2, a water outlet 2b matched with the steam inlet 2a is further arranged at the bottom of the heat exchanger 2, a pair of matched water inlet 2c and water outlet 2d are arranged on two sides of the heat exchanger 2, and the water outlet 2b is connected with a condensation water tank 5 through a water drainage pipeline 8 so as to be used for recovering condensed waste steam condensation water in the heat exchanger;
the top of the condensed water tank 5 is provided with an exhaust device 51, and the bottom of the condensed water tank 5 is connected with an inlet of a condensed water pump 4 through a condensed water outlet pipe 9;
a water inlet 2c of the heat exchanger 2 is connected with a cooling water pump 3 through a water inlet pipeline 10, a water outlet 2d of the heat exchanger is connected with a hot water tank 6 through a water outlet pipeline 11, and the hot water is used for converting cold water pumped by the cooling water pump into hot water through the heat exchanger and sending the hot water into the hot water tank for utilization;
the top of the hot water tank 6 is provided with an exhaust pipe 61, and the bottom of the hot water tank 6 is connected with an inlet of a hot water pump 7 through a hot water outlet pipe 12.
The heat exchanger 2 used in the utility model is a shell-and-tube heat exchanger, which comprises a tube pass and a shell pass, when in use, the heat exchanger is horizontally placed, the tube pass is a straight tube and is horizontally arranged, an expansion joint is arranged on the shell of the heat exchanger, and the two ends of the tube pass are respectively provided with a water inlet 2c and a water outlet 2 d; the exhaust steam leaves the shell pass, the upper end of the shell pass is provided with a steam inlet 2a, and the lower end of the shell pass is provided with a water outlet 2b, so that condensed water and non-condensable gas are discharged.
The material of the condensate tank 5 and the hot water tank 6 is 304 stainless steel, and the exhaust device 51 at the top of the condensate tank 5 comprises an exhaust fan and an exhaust pipe connected with each other, and gas can be rapidly extracted by the exhaust fan and exhausted through the exhaust pipe.
In the utility model, the exhaust steam is firstly sent into the heat exchanger 2 through the exhaust steam pipeline 1 by the steam inlet 2a, the shell pass is removed by the exhaust steam, meanwhile, the cooling water pressurized by the cooling water pump 3 is sent into the heat exchanger 2 by the water inlet 2c, the cooling water is removed by the pipe pass, so that the heat is transferred to the cooling water by the exhaust steam in the heat exchanger 2, the heat exchange between the exhaust steam and the cooling water is completed, the hot water heated by the cooling water is discharged into the hot water tank 6 by the water outlet 2d, and the hot water is sent to each domestic water point by the hot water pump 7 to supply domestic water; the heat released by the exhaust steam in the heat exchange is changed into condensed water, the condensed water flows into a condensed water tank 5 through a water outlet 2b at the bottom of the heat exchanger 2, and the condensed water is sent to each standby cold water position of the original system through a condensed water pump 4 for recycling. The utility model discloses a device not only can retrieve the comdenstion water behind the exhaust steam heat transfer, but also can make full use of exhaust steam itself has had the heat, has reduced white pollution, green, and high-efficient circulation has produced apparent economic benefits and social.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (5)
1. The utility model provides a steam exhaust waste heat is recycled and comdenstion water recovery unit thereof, includes steam exhaust pipeline (1), its characterized in that:
the exhaust steam pipeline (1) is connected with a steam inlet (2 a) on the upper part of the heat exchanger (2), the lower part of the heat exchanger (2) is also provided with a water outlet (2 b) matched with the steam inlet (2 a), two sides of the heat exchanger are provided with a pair of matched water inlet (2 c) and water outlet (2 d), the water outlet (2 b) is connected with the condensed water tank (5), the water inlet (2 c) is connected with the cooling water pump (3), and the water outlet (2 d) is connected with the hot water tank (6).
2. The exhaust steam waste heat recycling and condensate water recovery device according to claim 1, wherein:
the heat exchanger (2) is a shell-and-tube heat exchanger.
3. The exhaust steam waste heat recycling and condensate water recovery device according to claim 1 or 2, characterized in that:
an exhaust device (51) is arranged at the top of the condensation water tank (5), and an exhaust pipe (61) is arranged at the top of the hot water tank (6).
4. The exhaust steam waste heat recycling and condensate water recovery device according to claim 1 or 2, characterized in that:
the bottom of the condensed water tank (5) is connected with a condensed water pump (4), and the bottom of the hot water tank (6) is connected with a hot water pump (7).
5. The exhaust steam waste heat recycling and condensate water recovery device according to claim 1 or 2, characterized in that:
the condensation water tank (5) and the hot water tank (6) are both made of 304 stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020323219.6U CN212179611U (en) | 2020-03-16 | 2020-03-16 | Exhaust steam waste heat recycling and condensate water recycling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020323219.6U CN212179611U (en) | 2020-03-16 | 2020-03-16 | Exhaust steam waste heat recycling and condensate water recycling device |
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| CN212179611U true CN212179611U (en) | 2020-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639259A (en) * | 2021-08-18 | 2021-11-12 | 济宁华源热电有限公司 | Thermal power plant condensation heat recovery device |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639259A (en) * | 2021-08-18 | 2021-11-12 | 济宁华源热电有限公司 | Thermal power plant condensation heat recovery device |
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