CN216472335U - Energy-saving treatment device for steam condensate - Google Patents
Energy-saving treatment device for steam condensate Download PDFInfo
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- CN216472335U CN216472335U CN202123426683.1U CN202123426683U CN216472335U CN 216472335 U CN216472335 U CN 216472335U CN 202123426683 U CN202123426683 U CN 202123426683U CN 216472335 U CN216472335 U CN 216472335U
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Abstract
The utility model discloses a steam condensate water energy-saving treatment device, which is characterized by comprising a preheater, an evaporator, a condensate water recovery tank and a material liquid circulating pump, wherein the preheater is connected with the evaporator so as to provide material liquid for the evaporator; the preheater is connected with the condensed water recovery tank; the evaporator is connected with the material liquid circulating pump; wherein, from last material liquid shunt, circulation liquid shunt, heating chamber, from last pipeline and the evaporation chamber of downwardly extending of down having set gradually in the evaporimeter, material liquid shunt and the mutual isolation of circulation liquid shunt that the top of evaporimeter set up are parallel to each other and connect respective pipeline respectively, the pipeline link up the heating chamber, respectively from material liquid shunt or circulation liquid shunt downwardly extending to the evaporation chamber. The material liquid is recycled, and the condensed water is recycled, so that the energy is saved and the environment is protected; and the production cost is low, the operation cost is low, and the method is more economic.
Description
Technical Field
The utility model relates to a steam condensate water energy-saving treatment device belongs to the environmental protection technology field.
Background
With the increasing environmental problems, environmental protection and pollution disposal have received more and more attention. The extraction liquid treatment system in the lithium battery diaphragm industry adopts a rectification process, the white oil and the dichloromethane separated by the extraction liquid treatment system can be recycled, the recovery efficiency is high, the recovery investment is fast, and the national energy-saving and environment-friendly requirements are met.
The production process needs to use a large amount of steam for separating the white oil and the dichloromethane in the extract. However, the generated steam condensate is generally directly discharged as wastewater, which causes energy loss and waste.
Disclosure of Invention
The utility model aims to solve the technical problem that an energy-conserving processing apparatus of steam condensate water is provided.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
an energy-saving treatment device for steam condensate water is characterized by comprising a preheater, an evaporator, a condensate water recovery tank and a material liquid circulating pump,
the preheater is connected with the evaporator to provide feed liquid to the evaporator; the preheater is connected with the condensed water recovery tank; the evaporator is connected with the material liquid circulating pump;
wherein, from last pipeline and the evaporation chamber that down set gradually material liquid shunt, circulation liquid shunt, heating chamber, from the top down extend in the evaporimeter, material liquid shunt and the mutual isolation of circulation liquid shunt that the top of evaporimeter set up are parallel to each other and connect respective pipeline respectively, the pipeline link up the heating chamber, extend downwards to the evaporation chamber from material liquid shunt or circulation liquid shunt respectively.
Preferably, the material liquid splitter is connected with a material liquid inlet pipe to receive material liquid from the preheater;
and the circulating liquid splitter is connected with the circulating liquid inlet pipe and receives circulating liquid from the material liquid circulating pump.
Wherein preferably, the below of heating chamber is link up with evaporimeter comdenstion water import pipe, the top of heating chamber is link up with the comdenstion water outlet pipe, forms the circulation pipeline from bottom to top of steam condensate water in the heating chamber.
Preferably, the heating chamber, the material liquid diverter, the circulating liquid diverter, the pipeline and the evaporation chamber are independent from each other.
Preferably, the evaporation cavity is arranged below the evaporator and is communicated with the material gas phase outlet pipe; the evaporation cavity is connected with a material liquid phase outlet pipe.
Preferably, the material liquid circulating pump is connected with the evaporator through the material liquid phase outlet pipe and the circulating liquid inlet pipe; and is connected to the nozzle.
Wherein preferably, the condensed water outlet pipe of the evaporator is connected to a condensed water inlet pipe of the preheater.
Wherein preferably, the material liquid inlet pipe is connected with the material liquid inlet pipe of the preheater; and a material liquid outlet pipe of the preheater is connected with a material liquid inlet pipe of the evaporator so as to send the material liquid preheated by the preheater to the evaporator.
The utility model discloses following technological effect has: 1) the material liquid is circularly treated, so that the separation rate is improved; 2) the evaporator utilizes high-temperature condensed water to heat the material liquid, and the preheater utilizes the residual temperature of the condensed water again to preheat the material liquid so as to improve the treatment efficiency of the evaporator, and utilizes the temperature of the condensed water for heating for the second time, so that the evaporator is more environment-friendly; 3) low production cost, low operation cost, more economical efficiency and wide application.
Drawings
Fig. 1 is a schematic structural view of a steam condensate water energy-saving processing device according to an embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of the evaporator shown in fig. 1.
Detailed Description
The technical content of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the embodiment of the utility model discloses a steam condensate water energy-saving processing device, which comprises a preheater 1, an evaporator 2, a condensate water recovery tank 3 and a material liquid circulating pump 4. The preheater 1 is connected with the evaporator 2 to provide preheated material liquid for the evaporator 2; the preheater 1 is connected with the condensed water recovery tank so as to send the cooled water to the condensed water recovery tank for recycling; the evaporator is connected with the material liquid circulating pump so as to enable the material liquid to be recycled.
The preheater 1 comprises a material liquid inlet pipe 11, a material liquid outlet pipe 12, a condensed water inlet pipe 13 and a condensed water outlet pipe 14; the evaporator 2 comprises a material liquid inlet pipe 21, a circulating liquid inlet pipe 22, a material liquid phase outlet pipe 23, a material gas phase outlet pipe 24, a condensed water inlet pipe 25 and a condensed water outlet pipe 26; the condensate water recovery tank 3 comprises a condensate water recovery pipe 31 and a condensate water outlet pipe 32; the feed liquid circulating pump 4 includes a feed liquid inlet pipe 41 and a feed liquid outlet pipe 42.
The preheater 1 adopts a plate heat exchanger or a shell-and-tube heat exchanger, the material liquid and the condensed water respectively enter the preheater 1 for heat exchange, and the condensed water heats the material liquid in the evaporator 2 and then preheats the fed material liquid to 25-35 ℃ by using waste heat in the preheater 1.
Referring to fig. 1 and 2, a steam condensate inlet pipe 51 is connected to the evaporator condensate inlet pipe 25, an evaporator condensate outlet pipe 26 is connected to the condensate inlet pipe 13 of the preheater, a condensate outlet pipe 14 of the preheater is connected to the condensate recovery pipe 31 of the condensate recovery tank, and a condensate recovery tank outlet pipe 32 is connected to a condensate discharge pump (not shown) for recycling the condensate. The feed liquid inlet pipe 61 is connected to the feed liquid inlet pipe 11 of the preheater 1 so that the feed liquid enters the preheater 1, and the feed liquid outlet pipe 12 of the preheater 1 is connected to the feed liquid inlet pipe 21 of the evaporator 2 so that the feed liquid preheated by the preheater 1 is sent to the evaporator 2.
As shown in figure 2, the evaporator 2 adopts a traditional falling film evaporator, material liquid is added from an upper pipe box of the falling film evaporator, is uniformly distributed in each heat exchange pipe through a liquid distribution and film forming device, and flows from top to bottom in a uniform film shape under the action of gravity, vacuum induction and air flow. In the flowing process, the material liquid is heated to 40-50 ℃ by a heating medium through steam condensate water and then vaporized, the generated steam and the liquid phase enter a separation chamber of the evaporator together, gas-liquid substances are fully separated, the gas phase is sent out through a material gas phase outlet 24, part of the liquid phase substances are sent out from a pipe orifice 27 through a material liquid circulating pump, and part of the liquid phase substances enter the evaporator 2 again.
Specifically, the evaporator 2 is provided with a material liquid flow divider 210, a circulating liquid flow divider 220, a heating chamber 200, a pipeline 201 extending from top to bottom, and an evaporation chamber 203 in this order from top to bottom. The material liquid splitter 210 and the circulating liquid splitter 220 provided at the top of the evaporator 2 are parallel to each other and isolated from each other (not penetrating) and are connected to the respective pipelines 201. The feed liquid splitter 210 is connected with the feed liquid inlet pipe 21 to receive feed liquid from the preheater 1; the circulating liquid splitter 220 is connected to the circulating liquid inlet pipe 22 and receives the circulating liquid from the material liquid circulating pump 2.
Each pipe 201 penetrates through the heating cavity 200 and extends downwards from the material liquid diverter 210 or the circulating liquid diverter 220 to the evaporation cavity 203 respectively so as to send the material liquid to the evaporation cavity 203. The heating chamber 200, the material liquid diverter 210, the circulating liquid diverter 220, the pipeline 201 and the evaporation chamber 203 are independent of each other. The lower part of the heating chamber 200 is communicated with an evaporator condensed water inlet pipe 25, and the upper part of the heating chamber 200 is communicated with a condensed water outlet pipe 26, so that a circulation pipeline of steam condensed water from bottom to top is formed in the heating chamber 200.
The evaporation chamber 203 is disposed below in the evaporator 2 and communicates with the material gas phase outlet pipe 24, so that the material components vaporized in the evaporation chamber 203 may be discharged to the next process through the material gas phase outlet pipe 24. The evaporation cavity 203 is also connected with a material liquid phase outlet pipe 23, so that the residual material liquid after gas volatilization enters the material liquid circulating pump 4.
The preheated material liquid from the material liquid inlet pipe 21 enters the material liquid splitter 210, and the preheated material liquid entering the evaporator 2 is evaporated to be separated into liquid phase substances and gas phase substances. The material liquid phase outlet pipe 23 is connected with the inlet pipe 41 of the material liquid circulating pump, the outlet pipe 42 of the material liquid circulating pump is divided into two paths through a three-way pipe, one path is connected with the circulating liquid inlet 22 of the evaporator, so that one part of liquid phase substances are returned to the evaporator 2, and the other path directly sends out the other part of liquid phase substances to the liquid phase treatment process through the liquid phase material outlet 27. And the gas-phase substance is directly sent out to the subsequent gas-phase treatment process through the material gas-phase outlet pipe 24.
The condensate water recycling tank 3 is used for recycling condensate water discharged by the preheater 1, so that the complete closed recycling of high-temperature condensate water is realized, the condensate water and heat energy are fully recycled, and the effects of saving energy and water are achieved.
The material liquid circulating pump 4 is connected with the evaporator 2 through a material liquid phase outlet pipe and a circulating liquid inlet pipe, and is used for generating circulating power to enable liquid phase material liquid to flow in the evaporator 2 and a pipeline. Further, the liquid-phase feed liquid subjected to gas-phase separation is supplied to the next step by using the nozzle 27.
The condensed water delivery pump is used for generating output power and outputting the recovered condensed water to the outer pipe, and the cooled steam condensed water has high quality and can be used for purposes of circulating water replenishing, boiler water replenishing and the like, thereby playing the roles of energy conservation and environmental protection.
Therefore, when the energy-saving treatment device for the steam condensate water is used, material liquid is preheated to 25-35 ℃ through the preheater 1, then heated to 40-50 ℃ through the evaporator 2 to enable gas and liquid to be fully separated, gas-phase substances are sent out from the material gas-phase outlet 24 of the evaporator 2, and liquid-phase substances are sent out partially through a three-way pipe connected with the material liquid circulating pump 4 and partially enter the evaporator 2 again. The temperature of the material entering the evaporator 2 is higher through preheating, so that the treatment efficiency of the evaporator is higher, the gas phase and the liquid phase of the material liquid are fully separated, and the vaporization rate is higher; and the residual liquid phase substance enters the evaporator 2 again through the evaporator 22 to circularly evaporate for a plurality of times, so that the evaporation efficiency is higher. Moreover, the liquid phase substance circularly entering the evaporator 2 has the same temperature as the preheated material liquid, so that the temperature of the material liquid entering the evaporator 2 can be ensured to be high enough together, and the evaporation efficiency is further improved.
The steam condensate water firstly passes through the evaporator 2 to heat the material liquid, then passes through the preheater 1 to preheat the material liquid by using waste heat, then enters the condensate water recovery tank 3 to recycle the condensate water and heat energy thereof, and the recovered condensate water is output and sent to the outer pipe, so that the condensate water can be used for purposes of circulating water supplement, boiler water supplement and the like, and the energy-saving effect is achieved. The temperature of the condensed water is high, about 90-100 ℃, the condensed water serves as a heat source in the evaporator 2, the waste heat of the condensed water is further released by the heat source in the preheater 1, and the condensed water is liquefied in the preheater 1 and returns to the condensed water recovery tank 3. Therefore, the high temperature of the steam condensate water is fully utilized, the steam condensate water is recycled, the heat efficiency utilization rate is high, and the steam condensate water is more environment-friendly.
To sum up, the utility model provides a pair of steam condensate water energy-saving treatment device has following effect: (1) the preheater is adopted to preheat the material liquid before the material liquid enters the evaporator, and the material liquid circulating pump is used to circularly feed a part of the material liquid into the evaporator, so that the residual heat of the material liquid is fully utilized, the energy consumption of the material liquid is effectively reduced, the production efficiency of the device is improved while the waste heat is recovered, the cost is saved, and the treatment efficiency is improved; (2) the condensed water and the heat energy thereof are recycled by adopting the condensed water recycling tank, and the condensed water is recycled, so that the aim of saving energy is fulfilled, and the loss and waste of water resources are avoided; (3) low production cost, low operation cost, more economy and wide application economy.
The present invention has been described in detail above. Any obvious modifications thereto, which would occur to one skilled in the art and which would not depart from the essence of the invention, would constitute a violation of the patent rights and would bear corresponding legal obligations.
Claims (8)
1. An energy-saving treatment device for steam condensate water is characterized by comprising a preheater, an evaporator, a condensate water recovery tank and a material liquid circulating pump,
the preheater is connected with the evaporator to provide feed liquid to the evaporator; the preheater is connected with the condensed water recovery tank; the evaporator is connected with the material liquid circulating pump;
wherein, from last material liquid shunt, circulation liquid shunt, heating chamber, from last pipeline and the evaporation chamber of downwardly extending of down having set gradually in the evaporimeter, material liquid shunt and the mutual isolation of circulation liquid shunt that the top of evaporimeter set up are parallel to each other and connect respective pipeline respectively, the pipeline link up the heating chamber, respectively from material liquid shunt or circulation liquid shunt downwardly extending to the evaporation chamber.
2. The steam condensate water energy-saving processing device as claimed in claim 1,
the material liquid splitter is connected with the material liquid inlet pipe to receive the material liquid from the preheater;
and the circulating liquid splitter is connected with the circulating liquid inlet pipe and receives circulating liquid from the material liquid circulating pump.
3. The steam condensate water energy-saving processing device as claimed in claim 2,
the lower part of the heating cavity is communicated with an evaporator condensate water inlet pipe, the upper part of the heating cavity is communicated with a condensate water outlet pipe, and a circulation pipeline from bottom to top is formed in the heating cavity.
4. The steam condensate water energy-saving processing device as claimed in claim 3,
the heating cavity, the material liquid flow divider, the circulating liquid flow divider, the pipeline and the evaporation cavity are mutually independent.
5. The steam condensate water energy-saving processing device as claimed in claim 4,
the evaporation cavity is arranged below the evaporator and is communicated with a material gas phase outlet pipe; the evaporation cavity is connected with a material liquid phase outlet pipe.
6. The steam condensate water energy-saving processing device as claimed in claim 5,
the material liquid circulating pump is connected with the evaporator through the material liquid phase outlet pipe and the circulating liquid inlet pipe; and connects the nozzles.
7. The steam condensate water energy-saving processing device as claimed in claim 6,
the condensed water outlet pipe of the evaporator is connected with a condensed water inlet pipe of the preheater.
8. The steam condensate water energy-saving processing device as claimed in claim 1,
a material liquid inlet pipe is connected with a material liquid inlet pipe of the preheater; and a material liquid outlet pipe of the preheater is connected with a material liquid inlet pipe of the evaporator so as to send the material liquid preheated by the preheater to the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426683.1U CN216472335U (en) | 2021-12-31 | 2021-12-31 | Energy-saving treatment device for steam condensate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426683.1U CN216472335U (en) | 2021-12-31 | 2021-12-31 | Energy-saving treatment device for steam condensate |
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| CN216472335U true CN216472335U (en) | 2022-05-10 |
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| CN202123426683.1U Active CN216472335U (en) | 2021-12-31 | 2021-12-31 | Energy-saving treatment device for steam condensate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115520935A (en) * | 2022-09-29 | 2022-12-27 | 中冶焦耐(大连)工程技术有限公司 | Method and system for recovering high-temperature condensed water of coking plant |
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2021
- 2021-12-31 CN CN202123426683.1U patent/CN216472335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115520935A (en) * | 2022-09-29 | 2022-12-27 | 中冶焦耐(大连)工程技术有限公司 | Method and system for recovering high-temperature condensed water of coking plant |
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