CN214059970U - Steam condensate water recycling system - Google Patents
Steam condensate water recycling system Download PDFInfo
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- CN214059970U CN214059970U CN202023285270.1U CN202023285270U CN214059970U CN 214059970 U CN214059970 U CN 214059970U CN 202023285270 U CN202023285270 U CN 202023285270U CN 214059970 U CN214059970 U CN 214059970U
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Abstract
The utility model provides a steam condensate water system of recycling, including high pressure steam pipeline, middling pressure steam pipeline, comdenstion water drain pipe, steam jet pump and flash tank, the exit linkage of trap is to the comdenstion water entry of flash tank. The utility model discloses set up a flash tank in the export of comdenstion water trap, the flash tank separates the saturated comdenstion water of double-layered area steam. The steam that produces after the separation discharges to the low pressure steam entry of steam jet pump through the gaseous phase export at top, utilizes the high pressure steam before the pressure reduction of temperature and pressure equipment to draw and spouts the exhaust low pressure steam of flash tank, mixes through steam jet pump and forms medium pressure steam and pass through medium pressure steam conduit and carry to gas appliances, and the comdenstion water in the flash tank passes through the liquid phase export of bottom, and the water pump in the flowing back pipeline transmits to the warm water entry of pressure reduction of temperature and pressure equipment, cools down to pressure reduction of temperature and pressure equipment inside.
Description
Technical Field
The utility model relates to a steam condensate water recovery unit, especially a steam condensate water system of recycling.
Background
In industrial production, steam is a widely used energy source. A large amount of condensed water can be generated by partial heat energy released by steam, the heat of the condensed water generally accounts for about 20-30% of the total amount of the steam heat, and industrial water and fuel can be saved by reasonably recycling the heat of the condensed water. Has obvious effects on energy conservation and consumption reduction of factories and economic benefit improvement.
Adopt the hydrophobic collection box of comdenstion water among the prior art usually, steam conduit sets up a plurality of comdenstion water drain pipes, and the drain end of drain pipe sets up the comdenstion water drain valve, and the drain valve exit end passes through the drain pipe and connects the drain box, utilizes high temperature water pump to carry the comdenstion water to the user side. The drain tank is arranged in an open mode, part of steam is often brought out in the condensation and drainage process, and the steam is directly discharged to the atmosphere, so that heat waste is caused; the water quality is polluted because the condensed water is contacted with the atmosphere; meanwhile, the high-pressure steam passes through the temperature and pressure reducing device and then is wasted.
In view of the above-mentioned prior art, there is a need for further improvements in steam condensate recovery systems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steam condensate water system of recycling, the pressure energy that can make full use of high-pressure steam and the heat energy of comdenstion water to avoid the comdenstion water to receive the pollution.
In order to achieve the purpose of the utility model, a steam condensate recycling system is provided, which comprises a high-pressure steam pipeline, a medium-pressure steam pipeline, a condensate drain pipe, a steam jet pump and a flash tank, wherein the condensate generated by the high-pressure steam pipeline is transmitted through the condensate drain pipe, and the condensate drain pipe is connected with a drain valve;
the tail end of the high-pressure steam pipeline is provided with a temperature and pressure reducing device, an outlet of the temperature and pressure reducing device is connected with a medium-pressure steam pipeline, and high-pressure steam passes through the temperature and pressure reducing device and then is conveyed to gas equipment;
the outlet of the drain valve is connected to the condensed water inlet of the flash tank;
the top of the flash tank is provided with a gas phase outlet which is connected to a low-pressure steam inlet of the steam jet pump; a steam outlet of the steam jet pump is connected to the medium-pressure steam pipeline, and a high-pressure steam inlet of the steam jet pump is connected to the high-pressure steam pipeline;
the bottom of flash tank is provided with the liquid phase export, the liquid phase exit linkage has the flowing back pipeline, the end of flowing back pipeline is connected to the pressure and temperature reduction device, is provided with the water pump on the pipeline of flowing back pipeline.
Further, a regulating valve is arranged at a high-pressure steam inlet of the temperature and pressure reducing device.
Furthermore, the water pumps are divided into two groups, and the two groups of water pumps are arranged on the liquid discharge pipeline in parallel.
Further, a liquid level sensor is arranged on the side of the flash tank and used for monitoring the liquid level in the flash tank.
The utility model discloses set up a flash tank in the export of comdenstion water trap, the flash tank separates the saturated comdenstion water of double-layered area steam. And the steam generated after separation is discharged to a low-pressure steam inlet of the steam jet pump through a gas-phase outlet at the top, and the low-pressure steam discharged from the flash tank is ejected by utilizing the high-pressure steam in front of the temperature and pressure reducing device, mixed by the steam jet pump to form medium-pressure steam, and conveyed to gas-using equipment through a medium-pressure steam pipeline. The comdenstion water in the flash tank passes through the liquid phase export of bottom, and the water pump through in the flowing back pipeline transmits to the warm water entry of reducing temperature and pressure equipment, cools down to reducing temperature and pressure equipment inside.
The whole body of the utility model is a closed system, which is not contacted with the atmosphere, and avoids polluting the water quality; the low-pressure steam discharged from the upper part of the flash tank is subjected to pressure increase and reutilization by high-pressure steam through a steam jet pump, and the pressure energy of the high-pressure steam and the heat energy of condensed water are fully utilized; the liquid condensate water is recycled into the temperature and pressure reducing device through the flash tank to be used as temperature reducing water, so that the heat energy of the condensate water is fully utilized, and the condensate water is recycled.
Drawings
Fig. 1 is a schematic structural view of a steam condensate recycling system of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
The steam condensate recycling system shown in fig. 1 comprises a high-pressure steam pipeline 1, a medium-pressure steam pipeline 13, a condensate drain pipe 2, a steam jet pump 4 and a flash tank 5, wherein condensate generated by the high-pressure steam pipeline 1 is transmitted through the condensate drain pipe 2, and the condensate drain pipe 2 is connected with a drain valve 3; the tail end of the high-pressure steam pipeline 1 is provided with a temperature and pressure reducing device 6, the outlet of the temperature and pressure reducing device 6 is connected with a medium-pressure steam pipeline 13, and high-pressure steam passes through the temperature and pressure reducing device 6 and then is conveyed to a gas appliance 14. An outlet of the drain valve 3 is connected to a condensed water inlet of a flash tank 5, a gas phase outlet 7 is arranged at the top of the flash tank 5, and the gas phase outlet 7 is connected to a low-pressure steam inlet of the steam jet pump 4; a steam outlet of the steam jet pump 4 is connected to the medium-pressure steam pipeline 13, and a high-pressure steam inlet of the steam jet pump 4 is connected to the high-pressure steam pipeline 1; the bottom of flash tank 5 is provided with liquid phase outlet 8, liquid phase outlet 8 is connected with drain line 9, the end of drain line 9 is connected to temperature and pressure reduction device 6, is provided with water pump 10 on the pipeline of drain line 9, through water pump 10 carries the comdenstion water to temperature and pressure reduction device 6's warm water entry.
The utility model discloses be different from prior art in the middle of the comdenstion water be connected to open water tank through the drain pipe and retrieve, set up a flash tank 5 in the export of comdenstion water trap 3, flash tank 5 separates the saturated comdenstion water of double-layered area steam. The steam generated after separation is discharged to a low-pressure steam inlet of the steam jet pump 4 through a gas-phase outlet 7 at the top, the low-pressure steam discharged from the flash tank 5 is ejected by utilizing the high-pressure steam in front of the temperature and pressure reducing device 6, the low-pressure steam is mixed by the steam jet pump 4 to form medium-pressure steam, the medium-pressure steam is conveyed to the gas-using equipment 14 through a medium-pressure steam pipeline 13, and the pressure of the low-pressure steam discharged from the flash tank 5 is increased. The comdenstion water in the flash tank 5 passes through the liquid phase export 8 of bottom, and the water pump 10 through in the flowing back pipeline 9 transmits to the warm water entry of reducing the temperature and pressure equipment, cools down to reducing the temperature and pressure equipment inside.
Preferably, a regulating valve 11 is arranged at a high-pressure steam inlet of the temperature and pressure reducing device 6 and is used for regulating the steam pressure entering the temperature and pressure reducing device 6.
Preferably, the number of the water pumps 10 is two, and the two water pumps 10 are arranged on the drainage pipeline 9 in parallel, so that the output efficiency of conveying the condensed water is increased.
Preferably, the side of the flash tank 5 is provided with a liquid level sensor 12 for monitoring the liquid level inside the flash tank 5.
The whole body of the utility model is a closed system, which is not contacted with the atmosphere, and avoids polluting the water quality; the pressure of the low-pressure steam discharged from the upper part of the flash tank 5 is increased by the high-pressure steam through the steam jet pump 4 for recycling, and the pressure energy of the high-pressure steam and the heat energy of the condensed water are fully utilized; the liquid condensate water is recycled into the temperature and pressure reducing device 6 through the flash tank 5 to be used as temperature reducing water, so that the heat energy of the condensate water is fully utilized, and the condensate water is recycled.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. A steam condensate water reuse system which characterized in that: the system comprises a high-pressure steam pipeline, a medium-pressure steam pipeline, a condensed water drain pipe, a steam jet pump and a flash tank, wherein condensed water generated by the high-pressure steam pipeline is transmitted through the condensed water drain pipe, and the condensed water drain pipe is connected with a drain valve;
the tail end of the high-pressure steam pipeline is provided with a temperature and pressure reducing device, an outlet of the temperature and pressure reducing device is connected with a medium-pressure steam pipeline, and high-pressure steam passes through the temperature and pressure reducing device and then is conveyed to gas equipment;
the outlet of the drain valve is connected to the condensed water inlet of the flash tank;
the top of the flash tank is provided with a gas phase outlet which is connected to a low-pressure steam inlet of the steam jet pump; a steam outlet of the steam jet pump is connected to the medium-pressure steam pipeline, and a high-pressure steam inlet of the steam jet pump is connected to the high-pressure steam pipeline;
the bottom of flash tank is provided with the liquid phase export, the liquid phase exit linkage has the flowing back pipeline, the end of flowing back pipeline is connected to the pressure and temperature reduction device, is provided with the water pump on the pipeline of flowing back pipeline.
2. A steam condensate recycling system as claimed in claim 1, wherein: and a regulating valve is arranged at a high-pressure steam inlet of the temperature and pressure reducing device.
3. A steam condensate recycling system as claimed in claim 1, wherein: the water pumps are divided into two groups, and the two groups of water pumps are arranged on the liquid discharge pipeline in parallel.
4. A steam condensate recycling system as claimed in claim 1, wherein: and a liquid level sensor is arranged at the side part of the flash tank and used for monitoring the liquid level in the flash tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285270.1U CN214059970U (en) | 2020-12-30 | 2020-12-30 | Steam condensate water recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285270.1U CN214059970U (en) | 2020-12-30 | 2020-12-30 | Steam condensate water recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214059970U true CN214059970U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023285270.1U Active CN214059970U (en) | 2020-12-30 | 2020-12-30 | Steam condensate water recycling system |
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| Country | Link |
|---|---|
| CN (1) | CN214059970U (en) |
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2020
- 2020-12-30 CN CN202023285270.1U patent/CN214059970U/en active Active
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