CN216205426U - Condensate recovery system - Google Patents
Condensate recovery system Download PDFInfo
- Publication number
- CN216205426U CN216205426U CN202122142888.0U CN202122142888U CN216205426U CN 216205426 U CN216205426 U CN 216205426U CN 202122142888 U CN202122142888 U CN 202122142888U CN 216205426 U CN216205426 U CN 216205426U
- Authority
- CN
- China
- Prior art keywords
- mechanical pump
- collecting tank
- pipeline
- water collecting
- water
- 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.)
- Active
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a condensed water recovery system, which comprises a water collection tank, a first mechanical pump, a second mechanical pump, a third mechanical pump and a spiral heat exchanger, wherein the first mechanical pump is connected with the water collection tank; a steam pipeline is introduced into one side of the water collecting tank; the top of the water collecting tank is provided with an exhaust port; an air outlet of the water collecting tank is communicated with an air inlet of the spiral heat exchanger; a liquid outlet is formed in the bottom of the spiral heat exchanger; a liquid outlet of the spiral heat exchanger is communicated with a liquid inlet at one side of the first mechanical pump; a liquid outlet is formed in the other side of the first mechanical pump; a liquid outlet of the first mechanical pump is communicated with the water collecting tank; the top of the first mechanical pump is provided with an exhaust port; an exhaust port of the first mechanical pump is communicated with an air inlet of the spiral radiator, so that the first mechanical pump and the spiral heat exchanger form a steam secondary loop; the water outlet of the water collecting tank is communicated with the liquid inlet of the second mechanical pump; the steam in the pipeline is separated and treated by the pipeline pressure relief device and the heat exchange equipment, and all the steam is changed into condensed water to enter the condensed water main line.
Description
Technical Field
The utility model relates to the technical field of accumulated water treatment of heat tracing pipelines, in particular to a condensed water recovery system.
Background
The method has three characteristics in the aspect of heat energy utilization in the chemical industry: 1. a large amount of steam with different specifications and types is needed to provide heat and is used as a raw material for production; 2. a large amount of driving power is required to compress the gas and pump the fluid; 3. there is a large volume production process for recovering and heating the feed water and generating steam, in which the power consumption of the compressed gas is large. The chemical industry needs a steam system which can be closely matched with the production process and is suitable for the production requirement so as to supply process heat required by production and steam used as raw materials.
After the steam is used, the steam is generally discharged on the spot by back-pouring through a heat tracing pipeline, and condensed water generated by the steam is directly discharged into a trench without being recycled in time, so that the waste of condensate is caused. The discharged condensed water is easy to freeze in winter, and the surrounding environment is influenced; when the condensate is collected, because a high-pressure condensate pipeline and a low-pressure condensate pipeline are involved, pressure setting needs to be carried out by considering the pressure conditions of all positions in the pipeline, and how to realize pressure stabilization and recover the condensate is the problem needing to be solved.
The utility model has the following contents:
according to the defects of the prior art, the utility model provides a condensed water recovery system, which separates and processes steam in a pipeline through a pipeline pressure relief device and heat exchange equipment, and all the steam is changed into condensed water to enter a condensed water main line.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a condensed water recovery system comprises a water collecting tank, a first mechanical pump, a second mechanical pump, a third mechanical pump and a spiral heat exchanger; steam pipelines with different pressures are introduced into one side of the water collecting tank; the top of the water collecting tank is provided with an exhaust port; an air outlet of the water collecting tank is communicated with an air inlet of the spiral heat exchanger; a liquid outlet is formed in the bottom of the spiral heat exchanger; a liquid outlet of the spiral heat exchanger is communicated with a liquid inlet at one side of the first mechanical pump; a liquid outlet is formed in the other side of the first mechanical pump; a liquid outlet of the first mechanical pump is communicated with the water collecting tank; the top of the first mechanical pump is provided with an exhaust port; an exhaust port of the first mechanical pump is communicated with an air inlet of the spiral radiator, so that the first mechanical pump and the spiral heat exchanger form a steam secondary loop; a water outlet is formed in the bottom of the water collecting tank; the water outlet of the water collecting tank is communicated with the liquid inlet of the second mechanical pump; and a liquid outlet of the second mechanical pump is connected to a condensed water trunk line.
Preferably, two water outlets of the water collecting tank are respectively communicated with two water drainage pipelines; two water outlets of the water collecting tank are respectively communicated with liquid inlets of the second mechanical pump and the third mechanical pump; two of said drain lines to a main line; the main pipeline is connected to a condensate water trunk line.
Preferably, the main line is provided with a first branch line, and the first branch line is connected to a line between the second mechanical pump and the water collecting tank.
Preferably, the main pipeline is provided with a first electromagnetic valve; two ends of the first electromagnetic valve are provided with regulating valves; the outer side of the regulating valve of the main pipeline is connected with a second branch pipeline; the second branch pipeline bypasses the first electromagnetic valve to form a single passage; and the second shunt pipeline is provided with a regulating valve.
Preferably, a third branch pipeline is arranged on a pipeline for communicating the exhaust port of the water collecting tank with the air inlet of the spiral heat exchanger; a second electromagnetic valve is arranged on the third shunt pipeline; and regulating valves are arranged at two ends of the second electromagnetic valve.
Preferably, a first exhaust pipe is arranged on a communication pipeline between an exhaust port of the water collecting tank and an air inlet of the spiral heat exchanger; a second exhaust pipe is arranged at an outlet at the bottom of the spiral heat exchanger; and one side of the exhaust port of the first mechanical pump is communicated with a third exhaust pipe.
Preferably, a liquid level meter is arranged on the water collection tank and connected with a controller, and the controller is used for controlling the on-off of the first electromagnetic valve and the second electromagnetic valve.
Preferably, one side of the spiral heat exchanger is connected with a cold gas pipeline; the cold air pipeline is provided with an on-off valve control.
The utility model has the following beneficial effects:
1. the system separates the steam entering the water collecting tank, and the steam enters the spiral heat exchanger to reduce the temperature of the steam in a heat exchange mode to form condensed water.
2. The system is provided with a first shunt pipeline which controls the liquid level in the water collection tank.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the system connection relationship of the present invention.
In the figure, a water collecting tank 1, a first mechanical pump 2, a second mechanical pump 3, a third mechanical pump 4, a spiral heat exchanger 5, a condensed water main line 6, a drain line 7, a main line 8, a first exhaust pipe 9, a second exhaust pipe 10, a third exhaust pipe 11, a first shunt line 12, a second shunt line 13, a third shunt line 14, a first electromagnetic valve 15, a second electromagnetic valve 16, a cold air line 17 and a steam line 18 are arranged.
The specific implementation mode is as follows:
as shown in the figure, the condensed water recovery system comprises a water collecting tank 1, a first mechanical pump 2, a second mechanical pump 3, a third mechanical pump 4 and a spiral heat exchanger 5; one side of the water collecting tank 1 is introduced with steam gas pipelines 18 with different pressures; the top of the water collecting tank 1 is provided with an exhaust port; an air outlet of the water collecting tank 1 is communicated with an air inlet of the spiral heat exchanger 5; a liquid outlet is arranged at the bottom of the spiral heat exchanger 5; a liquid outlet of the spiral heat exchanger 5 is communicated with a liquid inlet at one side of the first mechanical pump 2; one side of the spiral heat exchanger 5 is connected with a cold gas pipeline 17; the cold air pipeline 17 is provided with an on-off valve for control, and the cold air pipeline 17 exchanges heat with steam through the spiral heat exchanger 5 to reduce the temperature and condense the steam in the spiral heat exchanger 5; a liquid outlet is arranged at the other side of the first mechanical pump 2; a liquid outlet of the first mechanical pump 2 is communicated with the water collecting tank 1; an exhaust port is formed in the top of the first mechanical pump 2, primary condensation is firstly performed in the spiral radiator, most of steam is condensed, and a small amount of steam and condensate are mixed and enter the first mechanical pump 2; an exhaust port of the first mechanical pump 2 is communicated with an air inlet of the spiral radiator, so that the first mechanical pump 2 and the spiral heat exchanger 5 form a steam secondary loop; when the spiral radiator does not completely condense the water vapor, the steam and the condensate are separated for the second time at the position of the first mechanical pump 2, and part of the steam flows back to the spiral radiator to ensure that the steam is fully condensed.
As shown in the figure, the bottom of the water collecting tank 1 is provided with a water outlet; the water outlet of the water collecting tank 1 is communicated with the liquid inlet of the second mechanical pump 3; a liquid outlet of the second mechanical pump 3 is connected to a condensed water trunk line 6; in order to facilitate later pipeline maintenance; two water outlets of the water collecting tank 1 are respectively communicated with two water drainage pipelines 7; two water outlets of the water collecting tank 1 are respectively communicated with liquid inlets of the second mechanical pump 3 and the third mechanical pump 4; two of said drainage lines to a main line 8; the main line 8 is connected to the condensate mains 6. The main pipeline 8 is provided with a first branch pipeline 12, and the first branch pipeline 12 is connected with a pipeline between the second mechanical pump 3 and the water collecting tank 1; the first by-pass line 12 controls the liquid level in the sump tank 1 by returning the condensate drained from the sump tank 1.
As shown, the main line 8 is provided with a first solenoid valve 15; two ends of the first electromagnetic valve 15 are provided with regulating valves; the outer side of the regulating valve of the main pipeline 8 is connected with a second shunt pipeline 13; the second shunt line 13 bypasses the first solenoid valve 15 to form a single passage; the second shunt line 13 is provided with a regulating valve; a third branch pipeline 14 is arranged on a pipeline for communicating the exhaust port of the water collecting tank 1 with the air inlet of the spiral heat exchanger 5; a second electromagnetic valve is arranged on the third branch pipeline 14; two ends of the second electromagnetic valve are provided with regulating valves.
As shown in the figure, a first exhaust pipe 9 is arranged on a pipeline for communicating an exhaust port of the water collecting tank 1 with an air inlet of the spiral heat exchanger 5; a second exhaust pipe 10 is arranged at the bottom outlet of the spiral heat exchanger 5; a third exhaust pipe 11 is communicated with one side of the exhaust port of the first mechanical pump 2; the water collecting tank 1 is provided with a liquid level meter which is connected with a controller, and the controller controls the on-off of the first electromagnetic valve 15 and the second electromagnetic valve. In order to control the condensed water in the pipeline, on-off valves are arranged at various positions of the pipeline, and a pressure gauge is connected to detect the pressure in the pipeline, wherein the positions of the on-off valves are shown in figure 1.
The working principle is as follows:
after the steam gas pipelines 18 with different pressures are introduced into the water collecting tank 1, part of the whole steam is condensed and falls into the water collecting tank 1; most of the steam enters the spiral heat exchanger 5 through a pipeline; a cold air pipeline 17 is connected into the spiral heat exchanger 5, and then the cold air pipeline exchanges heat with steam to condense in the spiral heat exchanger 5; most of the vapor becomes condensed; the mixture of the condensate and part of the steam enters the first mechanical pump 2 from the spiral heat exchanger 5; an exhaust port is arranged at the top of the first mechanical pump 2, and steam flows back to a pipeline entering the spiral heat exchanger 5 from the exhaust port; the condensate part is pressurized by a mechanical pump to pump the condensate back to the water collecting tank 1; the condensate in the water collecting tank 1 is discharged from a liquid outlet at the bottom and enters a liquid discharge pipeline; the liquid drainage pipeline is provided with a first shunt pipeline 12, when the liquid level in the water collecting tank 1 is low, an on-off valve on the first pipeline is opened, and part of condensate flows back to the water collecting tank 1 to control the liquid level; most of the condensate enters the main line 8 and finally the condensate mains 6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. A condensed water recovery system is characterized by comprising a water collecting tank, a first mechanical pump, a second mechanical pump, a third mechanical pump and a spiral heat exchanger; steam pipelines with different pressures are introduced into one side of the water collecting tank; the top of the water collecting tank is provided with an exhaust port; an air outlet of the water collecting tank is communicated with an air inlet of the spiral heat exchanger; a liquid outlet is formed in the bottom of the spiral heat exchanger; a liquid outlet of the spiral heat exchanger is communicated with a liquid inlet at one side of the first mechanical pump; a liquid outlet is formed in the other side of the first mechanical pump; the liquid outlet of the first mechanical pump is communicated with the water collecting tank; the top of the first mechanical pump is provided with an exhaust port; an exhaust port of the first mechanical pump is communicated with an air inlet of the spiral radiator, so that the first mechanical pump and the spiral heat exchanger form a steam secondary loop; a water outlet is formed in the bottom of the water collecting tank; the water outlet of the water collecting tank is communicated with the liquid inlet of the second mechanical pump; and a liquid outlet of the second mechanical pump is connected to a condensed water trunk line.
2. A condensate recovery system according to claim 1, wherein: two water outlets of the water collecting tank are respectively communicated with two water drainage pipelines; two water outlets of the water collecting tank are respectively communicated with the liquid inlets of the second mechanical pump and the third mechanical pump and are communicated with a main pipeline through two water discharging pipelines; the main pipeline is connected to a condensate water trunk line.
3. A condensate recovery system according to claim 2, wherein: the main pipeline is provided with a first branch pipeline, and the first branch pipeline is connected into a pipeline between the second mechanical pump and the water collecting tank.
4. A condensate recovery system according to claim 3, wherein: the main pipeline is provided with a first electromagnetic valve; two ends of the first electromagnetic valve are provided with regulating valves; a second branch pipeline is connected to the outer side of the regulating valve of the main pipeline; the second branch pipeline bypasses the first solenoid valve to form a single passage; and the second shunt pipeline is provided with a regulating valve.
5. A condensate recovery system according to claim 2, wherein: a third branch pipeline is arranged on a pipeline for communicating the exhaust port of the water collecting tank with the air inlet of the spiral heat exchanger; a second electromagnetic valve is arranged on the third shunt pipeline; and regulating valves are arranged at two ends of the second electromagnetic valve.
6. A condensate recovery system according to claim 5, wherein: a first exhaust pipe is arranged on a communication pipeline between an exhaust port of the water collecting tank and an air inlet of the spiral heat exchanger; a second exhaust pipe is arranged at an outlet at the bottom of the spiral heat exchanger; and one side of the exhaust port of the first mechanical pump is communicated with a third exhaust pipe.
7. A condensate recovery system according to claim 6, wherein: the water collecting tank is provided with a liquid level meter, the liquid level meter is connected with a controller, and the controller controls the on-off of the first electromagnetic valve and the second electromagnetic valve.
8. A condensate recovery system according to claim 6, wherein: one side of the spiral heat exchanger is connected with a cold gas pipeline; the cold air pipeline is provided with an on-off valve control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142888.0U CN216205426U (en) | 2021-09-06 | 2021-09-06 | Condensate recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142888.0U CN216205426U (en) | 2021-09-06 | 2021-09-06 | Condensate recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205426U true CN216205426U (en) | 2022-04-05 |
Family
ID=80918347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122142888.0U Active CN216205426U (en) | 2021-09-06 | 2021-09-06 | Condensate recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216205426U (en) |
-
2021
- 2021-09-06 CN CN202122142888.0U patent/CN216205426U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208059608U (en) | Cryogenic heat exchanger water ring pumped vacuum systems | |
| CN216205426U (en) | Condensate recovery system | |
| CN1872690A (en) | Method and equipment for using condensed water of new steam stripped under high pressure | |
| CN208426672U (en) | A kind of steam condensate recovery system | |
| CN207422345U (en) | Hot-water heating system comprising bath water waste heat recovery and water resource heat pump | |
| CN2811757Y (en) | Indirect heating type steam boiler | |
| CN112815296B (en) | Drainage exhaust steam recovery system | |
| CN211345280U (en) | Boiler heat deaerator system | |
| CN107726617A (en) | A kind of waste heat recovery hot water system | |
| CN205014319U (en) | Steam condensate water heat recovery system | |
| CN208980473U (en) | Boiler platoon water heats feed water by reverse osmosis device | |
| CN108443861B (en) | Energy-saving device for eliminating back pressure of closed condensate water recovery system | |
| CN207407320U (en) | A kind of boiler blowdown water heat reclaim unit | |
| CN110207369A (en) | A kind of heat pump energy-saving system recycling sewerage heat energy | |
| CN219867854U (en) | Closed condensate water recovery system | |
| CN217318520U (en) | Device for recovering high, medium and low pressure grading energy by using drain valve | |
| CN212841491U (en) | Constant-exhaust tail gas water heat recovery system | |
| CN213450528U (en) | Combined cycle unit drainage system that low level was arranged | |
| CN219640238U (en) | Boiler condensate water recovery system | |
| CN204852903U (en) | Steam conduit congeals water hydrophobic means | |
| CN220287421U (en) | Steam condensate recovery system | |
| CN219934697U (en) | Steam drainage recovery system | |
| CN217152312U (en) | System for drainage waste heat multistage utilization of low pressure heater | |
| CN217153783U (en) | Drainage device without drain valve | |
| CN209230325U (en) | A kind of steam heat recovery equipment for tremella production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |