CN216011813U - Novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device - Google Patents
Novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device Download PDFInfo
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- CN216011813U CN216011813U CN202121202629.6U CN202121202629U CN216011813U CN 216011813 U CN216011813 U CN 216011813U CN 202121202629 U CN202121202629 U CN 202121202629U CN 216011813 U CN216011813 U CN 216011813U
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Abstract
The utility model provides a novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device, which is characterized in that unsaturated steam exhaust steam or a gas-liquid two-phase mixture enters a reinforced rib red copper condensing coil from a steam inlet, is condensed by the coil and then returns to a soft water replenishing tank of a steam boiler through a condensing water outlet pipe; circulating water pump installs on spray header, carries upper portion shower with the low temperature water of bottom half, and the shower delivery port carries out the water distribution through the branch, then makes through spraying the board again and spray more evenly, and low temperature water becomes high temperature water after absorbing the heat in the box, and the circulation is reciprocal to maintain the interior secondary life hot water constant temperature of box, and after reaching the water supply temperature that life hot water required, hot water in the box is supplied to life hot water system through life hot water outlet pipe, satisfies life hot water demand. The condensed water and the waste heat are all recycled in different items, so that the water resource can be saved, the energy waste can be reduced, the energy utilization rate is improved, and the double effects of water saving and energy saving are achieved.
Description
Technical Field
The utility model relates to the field of energy-saving technology and heat energy recycling, in particular to a novel efficient device for recycling steam condensation heat and using the steam condensation heat for producing hot water.
Background
Steam is widely applied to various industries as a clean and safe energy carrier, a large amount of condensed water is generated and a large amount of flash steam is generated in the actual utilization process of the steam, the heat of the steam can reach 20% -30% of the total heat of the steam, and the clean condensed water is also a good source for supplementing water to the boiler. However, the exhaust steam and the condensed water after the steam utilization are often in a gas-liquid two-phase unsaturated state, and the content of chloride ions is often high, so that the heat exchanger is easily blocked, a stainless steel pipeline is easily corroded, and the safe operation of the system is influenced. Therefore, many boiler users add the steam dead steam and the condensate water with good quality into the cold water to reduce the temperature and then discharge the sewage, thereby causing waste of a large amount of water resources and heat energy. Therefore, the steam exhaust steam and the condensed water and the high-grade heat energy contained in the steam exhaust steam and the condensed water have high recycling value.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device, which can efficiently absorb the steam waste heat, avoid the heat loss and simultaneously produce domestic hot water; the heat exchange process ensures that the quality of the produced hot water is pollution-free through the heat exchange of the red copper coil.
The technical problem to be solved by the utility model is as follows: because the steam condensate water is directly discharged to the trench, secondary environmental pollution can be caused, the heat consumption is serious, the device is operated in a full-automatic mode, excessive steam enters the equipment and then enters the intelligent dosing system through the copper tube with the fins, the water is sprayed and recovered from top to bottom from the low-temperature water at the lower part of the device to the spray water pipe through the circulating water pump, and the recovered hot water can be used for water supplement of a steam boiler or domestic hot water, so that the energy conservation and consumption reduction are achieved, and the energy consumption waste is avoided.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device mainly comprises a box body, a spraying plate, a ribbed red copper condensing coil, a circulating water pump and a spraying water pipe. The box body comprises an overflow port, a sewage discharge port, a tap water replenishing port, a recovered hot water outlet, a pipe connection port a, a pipe connection port b, a pipe connection port c and a pipe connection port d; the steam inlet is connected with the pipe connection port a, the condensation water outlet pipe is connected with the pipe connection port b, and unsaturated steam exhaust steam or a gas-liquid two-phase mixture enters the reinforced rib red copper condensation coil pipe from the steam inlet, is condensed by the coil pipe and then returns to the soft water replenishing tank of the steam boiler through the condensation water outlet pipe; circulating water pump installs on spray header, it is connected with takeover mouth c to spray the water inlet, it is connected with takeover mouth d to spray the outlet pipe, circulating water pump carries the upper portion shower with the low temperature water of bottom of the box, the shower delivery port carries out the water distribution through the branch, then it is more even to pass through the shower board messenger and spray, the low temperature water absorbs the heat in the box and becomes high-temperature water, the circulation is reciprocal to be maintained the interior secondary life hot water constant temperature of box, after reaching the heat supply temperature that life hot water required, hot water in the box is supplied to life hot water system through life hot water outlet pipe, satisfy life hot water demand.
The technical scheme of the utility model is further improved, the ribbed red copper condensing coil is a reinforced coil with fins on the surface, the thickness and the height of the fins are calculated by a detailed theory of heat transfer, and the specification is determined after experimental pilot test is carried out in a laboratory, and the reinforced red copper fins greatly increase the external surface area of the heat exchange tube, thereby achieving the purpose of improving the heat exchange efficiency.
As an improvement of the technical scheme, in order to ensure the sanitation and safety of water quality used by a user at a terminal side, the steam condensation pipeline adopts the heat exchange coil pipe for heat exchange and is not contacted with heat exchange domestic water.
Further as an improvement of the technical scheme of the utility model, a plurality of paths of by-pass pipes are added in the spray pipes, so that heat exchange and water distribution are more uniform, and the heat exchange efficiency is improved by matching with the spray plates, so that the heat exchange process time is shorter, the heat exchange is more sufficient, and the constant temperature control of the secondary domestic water in the box body is more stable.
Further as an improvement of the technical scheme of the utility model, after the unsaturated steam exhaust steam and the waste heat of the condensed water are recovered, the constant temperature is controlled at 50-60 ℃, the original back pressure of the steam inlet is utilized, and a mode of full-pipe flow under pressure is adopted, so that the generation of flash steam is avoided, and the full utilization of the condensed water is realized.
The utility model has the advantages that: the device can fully recover the unsaturated steam exhaust steam and the condensed water, realize the hydro-thermal separation, and recycle the condensed water and the waste heat in different items, thereby saving water resources, reducing energy waste, improving the energy utilization rate and achieving the double effects of saving water and energy; firstly, the heat exchange coil adopts a copper tube with reinforced fins, the heat conductivity coefficient of the material is far greater than that of a stainless steel tube which is usually and traditionally adopted, and the fins are added on the outer surface of the copper tube, so that the heat exchange area is increased, and the heat exchange efficiency is improved; meanwhile, the corrosion of chloride ions in the condensed water to the stainless steel pipe is avoided, and the service life of the equipment is prolonged. Secondly, the spray pipe is through many bypass pipes water distribution back process spray plate once more, makes to spray more evenly, and heat exchange efficiency is higher. The mixed water circulating water pump is controlled to start and stop according to the water temperature in the device box body, and the constant temperature of hot water which is used for recovering waste heat in the device is maintained. Unsaturated steam dead steam and condensed water directly enter a soft water replenishing system of the boiler after heat absorption and condensation, so that water resources are saved; the hot water heated after heat recovery can be directly used as domestic water, so that the energy consumption is saved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the opening of the case of the present invention.
In the figure: 1. a box body; 2. a spray plate; 3. a ribbed red copper condenser coil; 4. a water circulating pump; 5. a spray header; 6. an overflow port; 7. a pipe connecting port a; 8. a pipe connecting port b; 9. a sewage draining outlet; 10. a hot water recycling outlet; 11. a pipe connecting port c; 12. a pipe connecting port d; 13. a tap water replenishing port; 14. a steam inlet; 15. a condensed water outlet pipe; 16. a fin; 17. spraying a water outlet main pipe; 18. spraying water outlet branch pipes; 19. and (4) a spraying water inlet.
Detailed Description
The utility model will be further explained with reference to the drawings.
Referring to fig. 1 and 2, the utility model describes a novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device, which comprises a box body (1), a spray plate (2), a ribbed red copper condensation coil (3), a circulating water pump (4) and a spray water pipe (5), and is characterized in that: the box body (1) comprises an overflow port (6), a connecting pipe port a (7), a connecting pipe port b (8), a sewage draining port (9), a recovered hot water outlet (10), a connecting pipe port c (11), a connecting pipe port d (12) and a tap water replenishing port (13); the finned red copper condensing coil (3) is arranged at the middle lower part in the box body (1), a steam inlet (14) is connected with a pipe connecting port a (7), and a condensed water outlet pipe (15) is connected with a pipe connecting port b (8); the circulating water pump (4) is arranged on the spray water pipe (5), the spray water inlet (19) is connected with the pipe connecting port c (11), and the spray water outlet main pipe (17) is connected with the pipe connecting port d (12). The spraying plate (2) is arranged between the spraying water outlet main pipe (17) and the ribbed red copper condensing coil (3) in the box body (1).
The specific operation principle of the utility model is as follows:
when steam inlet (14) detected that there is steam to get into red copper heat transfer coil, spray circulating water pump (4) and open, the device gets into the waste heat recovery process, when steam inlet (14) detected that no steam gets into red copper heat transfer coil, heat transfer circulating water pump (4) bring to rest.
When the water temperature in the box body (1) reaches the temperature of domestic water, the hot water recycling outlet (10) is opened, the domestic hot water is conveyed to the domestic heat storage water tank, when the water level in the box body (1) drops to the set lowest water level line, the tap water replenishing port (13) is opened to replenish water to the box body, and when the water level line rises to the set highest water level line, the tap water replenishing port (13) is closed.
Of course, the above description is only used to describe the technical solution of the present invention, and not to limit it; those skilled in the art will be able to make improvements and modifications to the above-described solutions without departing from the essential scope of the corresponding solutions, as defined in the appended claims.
Claims (4)
1. The utility model provides a novel high-efficient unsaturated steam exhaust steam and comdenstion water/heat are recovery unit entirely, the device comprises box (1), spray board (2), fin red copper condenser coil (3), circulating water pump (4), spray header (5), its characterized in that: the box body (1) comprises an overflow port (6), a connecting pipe port a (7), a connecting pipe port b (8), a sewage draining port (9), a recovered hot water outlet (10), a connecting pipe port c (11), a connecting pipe port d (12) and a tap water replenishing port (13); the finned red copper condensing coil (3) is arranged at the middle lower part in the box body (1), and is characterized in that a steam inlet (14) is connected with a pipe connecting port a (7), and a condensed water outlet pipe (15) is connected with a pipe connecting port b (8); the circulating water pump (4) is arranged on the spray water pipe (5), and is characterized in that a spray water inlet (19) is connected with a pipe connecting port c (11), and a spray water outlet main pipe (17) is connected with a pipe connecting port d (12); the spraying plate (2) is arranged between the spraying water outlet main pipe (17) and the red copper condensing coil (3) in the box body (1).
2. The novel efficient unsaturated steam dead steam and condensed water/heat full recovery device according to claim 1, characterized in that: the spray header (5) increase multichannel bypass pipe, make the heat transfer water distribution more even, combine middle part shower plate (2) to promote heat exchange efficiency, make heat transfer process time shorter, the heat transfer is more abundant.
3. The novel efficient unsaturated steam dead steam and condensed water/heat full recovery device according to claim 1, characterized in that: the finned red copper condensing coil (3) is made of red copper materials, prevents chloride ions from being corroded, is provided with fins (16) on the surface, increases the external surface area of the heat exchange tube, and improves the heat exchange efficiency.
4. The novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device according to claim 1 is characterized in that a spray header (5), a spray plate (2) and a ribbed red copper condensing coil (3) are positioned inside a box body (1) and are distributed in sequence from top to bottom; the circulating water pump (4) is positioned outside the box body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121202629.6U CN216011813U (en) | 2021-06-01 | 2021-06-01 | Novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device |
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CN202121202629.6U CN216011813U (en) | 2021-06-01 | 2021-06-01 | Novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device |
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CN216011813U true CN216011813U (en) | 2022-03-11 |
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CN202121202629.6U Active CN216011813U (en) | 2021-06-01 | 2021-06-01 | Novel efficient unsaturated steam exhaust steam and condensed water/heat full recovery device |
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2021
- 2021-06-01 CN CN202121202629.6U patent/CN216011813U/en active Active
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