CN211097593U - Novel exhaust steam recycling device - Google Patents
Novel exhaust steam recycling device Download PDFInfo
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- CN211097593U CN211097593U CN201922139267.XU CN201922139267U CN211097593U CN 211097593 U CN211097593 U CN 211097593U CN 201922139267 U CN201922139267 U CN 201922139267U CN 211097593 U CN211097593 U CN 211097593U
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Abstract
The utility model discloses a novel exhaust steam recovery utilizes multipurposely device, concretely relates to energy-conserving technical field, including reaction dehydration cauldron and flash tank, the reaction dehydration cauldron top is connected with the steam and goes into the pipe, the reaction dehydration cauldron both sides are connected with circulating water inlet manifold and circulating water return water house steward respectively, reaction dehydration cauldron is connected with steam condensate pipe through first steam trap, the steam condensate pipe other end is linked together with the flash tank, the flash tank top is connected with high-pressure flash distillation steam conveyer pipe, the flash tank still is connected with low pressure steam conveyer pipe. The utility model discloses a set up flash tank and hot water storage tank, utilize the twice flash distillation principle of steam condensate, retrieve the heat energy of steam condensate under the different pressure, compare with prior art and reduce the weary soda and a small amount of steam and discharge into circulating water system, it is serious to have avoided circulating water dew point corrosion, can improve the cooling effect of circulating water, has satisfied the operation needs.
Description
Technical Field
The utility model relates to an energy-conserving technical field, more specifically say, the utility model relates to a novel exhaust steam recovery comprehensive utilization device.
Background
After the waste steam is superheated steam with thermal potential energy and is introduced into a steam turbine through a pipeline, the thermal potential energy is converted into kinetic energy. The high-speed flowing steam pushes a turbine rotor to rotate to form mechanical energy, and the steam releasing thermal potential energy is discharged from a steam outlet at the lower part of the turbine.
Through using saturated steam to be used for heating reaction dehydration cauldron's material, exhaust steam water (temperature 90-100 ℃) after the coil pipe heat transfer, arrange to circulating water system before the transformation, partial heat in the exhaust steam can not be fine recycle, cause thermal waste to lead to circulating water system temperature height, the heat transfer effect is poor, circulating water equipment, pipeline corrosion are serious, influence reaction dehydration cauldron's normal dehydration work.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a novel exhaust steam retrieves comprehensive utilization device, the utility model aims to solve the technical problem that: how to better recycle the heat of the waste steam water.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel exhaust steam retrieves comprehensive utilization device, includes reaction dehydration cauldron and flash tank, the reaction dehydration cauldron top is connected with the steam and goes into the pipe, the reaction dehydration cauldron both sides are connected with circulating water inlet main and circulating water return house steward respectively, reaction dehydration cauldron is connected with steam condensate pipe through first steam trap, the steam condensate pipe other end is linked together with the flash tank, the flash tank top is connected with high-pressure flash distillation steam conveying pipe, the flash tank still is connected with low pressure steam conveying pipe, flash tank bottom is connected with the heat extraction water pipe, the flash tank bottom passes through heat extraction water pipe and connects the hot water storage tank, hot water storage tank one side is connected with the hot-water pump, the hot-water pump is connected with life heating pipe, technology storage tank connecting pipe and blow off.
The flash tank recovers steam discharged from a reaction dehydration kettle, 0.3-0.4 MPa low-pressure steam 0.5-0.6T/h is used for tank area heat tracing, low-pressure reaction kettle heating and winter heating, a hot water storage tank secondarily flashes 0.1MPa low-pressure steam for heating process water through a process storage tank connecting pipe, the process water can be heated to 50-60 ℃, the steam consumption required by process water is greatly saved, hot water is discharged from the flash tank to the hot water storage tank through an automatic liquid discharge valve, the hot water storage tank recovers 60-70 ℃ hot water 3-4T/h per hour and is used for heating office buildings, laboratories, machine repair rooms, dining halls and workshop offices through a domestic heating pipe in winter, the steam consumption is greatly saved, the heat energy of steam condensate under different pressures is recovered by utilizing the principle of twice flash evaporation of the steam condensate, cooled soft water is used for supplementing of circulating water, and the reduction of steam and a small amount of steam discharged into a circulating water system, the dew point corrosion of the circulating water is avoided to be serious, the cooling effect of the circulating water can be improved, and the use requirement is met.
In a preferred embodiment, a plurality of drain valves are connected among the reaction dehydration kettle, the flash tank, the hot water storage tank and the hot water pump, a drain valve controller is convenient to assemble, the whole valve does not need to be detached from a pipeline, a large-area filter and an air removal device are arranged in the drain valve controller, a check valve is integrated in a standard configuration, and the high cost performance is achieved.
In a preferred embodiment, a second steam trap is fixedly mounted on the top of the heat discharging water pipe, so that normal filtration and drainage of water in the heat discharging water pipe are ensured.
In a preferred embodiment, a pressure gauge and a safety valve are connected to the top of the flash tank, so that the safety performance of the flash tank is guaranteed.
In a preferred embodiment, a steam discharging pipe is connected to the top of the hot water storage tank, and the steam discharging pipe is connected with an external process storage tank, so that the excess steam is discharged and utilized conveniently.
In a preferred embodiment, an inlet pipe is connected to one side of the flash tank, and the inlet pipe is communicated with a steam condensate pipe to facilitate the introduction of the steam condensate pipe.
In a preferred embodiment, the hot waterThe volume of the storage tank is 20m3The storage amount of hot water is ensured, and the heating effect in winter is ensured.
In a preferred embodiment, the flash tank is a class of vessels with a maximum operating pressure of 0.8MPa, a pressure resistance test pressure of 1.15MPa, a vessel weight of 1240kg, a design temperature of 180 ℃ and a volume of 3.2m3And high safety.
1. The utility model discloses a set up flash tank and hot water storage tank, the flash tank retrieves from the exhaust steam of reaction dehydration cauldron, be used for tank field heat tracing, the heating of low pressure reation kettle, winter heating, the hot water storage tank secondary flashes out low pressure steam and is used for heating process water through the process storage tank connecting pipe, hot water discharges to the hot water storage tank from the flash tank through automatic flowing back valve, hot water storage tank recovery hot water is heated through life heating pipe in winter, utilize the two flash principle of steam condensate, retrieve the heat energy of steam condensate under the different pressure, reduce the steam-exhausted water and a small amount of steam discharges into circulating water system compared with prior art, avoided circulating water dew point corrosion serious, can improve the cooling effect of circulating water, satisfied the user demand;
2. the utility model discloses a set up the steam pipe of discharging, when opening many reaction dehydration cauldron, the steam that flash tank flash distillation goes out is more, has arrived the reduction of steam volume for the tank field in summer, and the steam tank field that flash tank flash distillation goes out is incomplete, causes the manual evacuation steam pipe of flash tank to low pressure reation kettle heating technology waste water, and the steam that the hot-water cylinder flash distillation goes out passes through blow off water pipe and is used for heating waste water, has improved 20 degrees waste water temperature, reduces waste water treatment steam quantity.
Drawings
Fig. 1 is a flow chart of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the reaction dehydration kettle of the utility model.
Fig. 3 is a schematic view of the three-dimensional structure of the flash tank of the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the hot water storage tank of the present invention.
Fig. 5 is a schematic view of the three-dimensional structure of the hot water pump of the present invention.
The reference signs are: the system comprises a reaction dehydration kettle 1, a circulating water return header pipe 2, a steam inlet pipe 3, a first steam trap 4, a circulating water inlet header pipe 5, a steam condensate pipe 6, an inlet pipe 7, a flash tank 8, a pressure gauge 9, a high-pressure flash steam delivery pipe 10, a low-pressure steam delivery pipe 11, a second steam trap 12, a hot water storage tank 13, a steam discharge pipe 14, a hot water pump 15, a domestic heating pipe 16, a process storage tank connecting pipe 17, a sewage discharge pipe 18, a safety valve 19 and a heat discharge pipe 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a novel exhaust steam recycling and comprehensive utilization device, which comprises a reaction dehydration kettle 1 and a flash tank 8, the top of the reaction dehydration kettle 1 is connected with a steam inlet pipe 3, two sides of the reaction dehydration kettle 1 are respectively connected with a circulating water inlet header pipe 5 and a circulating water return header pipe 2, the reaction dehydration kettle 1 is connected with a steam condensate pipe 6 through a first steam trap 4, the other end of the steam condensate pipe 6 is communicated with a flash tank 8, the top of the flash tank 8 is connected with a high-pressure flash steam delivery pipe 10, the flash tank 8 is also connected with a low-pressure steam delivery pipe 11, the bottom of the flash tank 8 is connected with a heat discharge water pipe 20, the bottom of the flash tank 8 is connected with a hot water storage tank 13 through the heat discharge water pipe 20, one side of the hot water storage tank 13 is connected with a hot water pump 15, and the hot water pump 15 is respectively connected with a domestic heating pipe 16, a process storage tank connecting pipe 17 and a sewage discharge pipe 18.
A plurality of drain valves are connected among the reaction dehydration kettle 1, the flash tank 8, the hot water storage tank 13 and the hot water pump 15;
a second steam trap 12 is fixedly installed at the top of the heat discharge water pipe 20;
the top of the flash tank 8 is connected with a pressure gauge 9 and a safety valve 19;
an inlet pipe 7 is connected to one side of the flash tank 8, and the inlet pipe 7 is communicated with a steam condensate pipe 6;
the volume of the hot water storage tank 13 is 20m3；
The flash tank 8 is a container type, the highest working pressure is 0.8MPa, the pressure of a pressure resistance test is 1.15MPa, the weight of the container is 1240kg, the design temperature is 180 ℃, and the volume is 3.2m3。
As shown in fig. 1 to 5, the embodiment specifically is: the flash tank 8 recovers steam discharged from the reaction dehydration kettle 1, 0.3-0.4 MPa low-pressure steam 0.5-0.6T/h is used for tank area heat tracing, low-pressure reaction kettle heating and winter heating, the hot water storage tank 13 secondarily flashes 0.1MPa low-pressure steam for heating process water through a process storage tank connecting pipe 17, the process water can be heated to 50-60 ℃, the steam consumption required by process water treatment is greatly saved, hot water is discharged from the flash tank 8 to the hot water storage tank 13 through an automatic liquid discharge valve, the hot water storage tank 13 recovers 60-70 ℃ hot water, 3-4T/h per hour in winter, the hot water is supplied to office buildings, laboratories, machine rooms, dining halls and workshop offices through a life heating pipe 16, the steam consumption is greatly saved, the heat energy of steam condensate under different pressures is recovered by utilizing the principle of two flash evaporation of steam condensate, and cooled soft water is used for supplementing circulating water, the circulating water system can reduce the exhausted steam water and a small amount of steam discharged into the circulating water system, avoid the serious dew point corrosion of the circulating water, improve the cooling effect of the circulating water and meet the use requirement.
The top of the hot water storage tank 13 is connected with a steam discharge pipe 14, and the steam discharge pipe 14 is connected with an external process storage tank.
As shown in fig. 1 and 4, the embodiment specifically includes: when a plurality of reaction dehydration kettles 1 are opened, more steam is flashed out by the flash tank 8, the steam volume for the tank area in summer is reduced, the steam tank area flashed out by the flash tank 8 is incomplete, the manual emptying steam discharge pipe 14 of the flash tank 8 is led to the low-pressure reaction kettle to heat the process wastewater, a part of steam can be saved, the steam flashed out by the hot water tank is used for heating the wastewater through the sewage discharge pipe 18, the temperature of the wastewater is improved by 20 degrees, and the steam consumption of wastewater treatment is reduced.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, a flash tank 8 recovers steam discharged from a reaction dehydration kettle 1 and is used for tank area heat tracing, low-pressure reaction kettle heating and winter heating, low-pressure steam discharged by a hot water storage tank 13 through secondary flash evaporation is used for heating process water through a process storage tank connecting pipe 17, hot water is discharged from the flash tank 8 to the hot water storage tank 13 through an automatic liquid discharge valve, the hot water storage tank 13 recovers hot water for heating office buildings, laboratories, machine rooms, dining halls and workshop offices through a life heating pipe 16 in winter, heat energy of steam condensate under different pressures is recovered by using the principle of secondary flash evaporation of the steam condensate, cooled soft water is used for supplementing circulating water, exhausted steam and a small amount of steam are reduced and discharged into a circulating water system, serious dew point corrosion of the circulating water is avoided, the cooling effect of the circulating water can be improved, and the use;
referring to the attached drawings 1 and 4 of the specification, when a plurality of reaction dehydration kettles 1 are opened, more steam is flashed out from a flash tank 8, the steam consumption in a tank area in summer is reduced, the steam tank area flashed out from the flash tank 8 is incomplete, a manual emptying steam discharging pipe 14 of the flash tank 8 is led to low-pressure reaction kettle heating process wastewater, the steam flashed out from a hot water tank is used for heating the wastewater through a sewage discharging pipe 18, the temperature of the wastewater is increased by 20 ℃, and the steam consumption in wastewater treatment is reduced.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel comprehensive utilization is retrieved to exhaust steam device, includes reaction dehydration cauldron (1) and flash tank (8), its characterized in that: the steam inlet pipe (3) is connected with at the top of the reaction dehydration kettle (1), the two sides of the reaction dehydration kettle (1) are respectively connected with a circulating water inlet main pipe (5) and a circulating water return main pipe (2), the reaction dehydration kettle (1) is connected with a steam condensate pipe (6) through a first steam trap (4), the other end of the steam condensate pipe (6) is communicated with a flash tank (8), the top of the flash tank (8) is connected with a high-pressure flash steam delivery pipe (10), the flash tank (8) is also connected with a low-pressure steam delivery pipe (11), the bottom of the flash tank (8) is connected with a heat discharge water pipe (20), the bottom of the flash tank (8) is connected with a hot water storage tank (13) through the heat discharge water pipe (20), one side of the hot water storage tank (13) is connected with a hot water pump (15), the hot water pump, A connecting pipe (17) of the process storage tank and a sewage draining pipe (18).
2. The novel exhaust steam recycling device of claim 1, which is characterized in that: a plurality of drain valves are connected among the reaction dehydration kettle (1), the flash tank (8), the hot water storage tank (13) and the hot water pump (15).
3. The novel exhaust steam recycling device of claim 1, which is characterized in that: and a second steam trap (12) is fixedly arranged at the top of the heat discharging water pipe (20).
4. The novel exhaust steam recycling device of claim 1, which is characterized in that: the top of the flash tank (8) is connected with a pressure gauge (9) and a safety valve (19).
5. The novel exhaust steam recycling device of claim 1, which is characterized in that: the top of the hot water storage tank (13) is connected with a steam discharge pipe (14), and the steam discharge pipe (14) is connected with an external process storage tank.
6. The novel exhaust steam recycling device of claim 1, which is characterized in that: an inlet pipe (7) is connected to one side of the flash tank (8), and the inlet pipe (7) is communicated with the steam condensate pipe (6).
7. The novel exhaust steam recycling device of claim 1, which is characterized in that: the volume of the hot water storage tank (13) is 20m3。
8. The novel exhaust steam recycling device of claim 1, which is characterized in that: the flash tank (8) is a container type, the highest working pressure is 0.8MPa, the pressure resistance test pressure is 1.15MPa, the weight of the container is 1240kg, the design temperature is 180 ℃, and the volume is 3.2m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139267.XU CN211097593U (en) | 2019-12-03 | 2019-12-03 | Novel exhaust steam recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139267.XU CN211097593U (en) | 2019-12-03 | 2019-12-03 | Novel exhaust steam recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211097593U true CN211097593U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922139267.XU Active CN211097593U (en) | 2019-12-03 | 2019-12-03 | Novel exhaust steam recycling device |
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| Country | Link |
|---|---|
| CN (1) | CN211097593U (en) |
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2019
- 2019-12-03 CN CN201922139267.XU patent/CN211097593U/en active Active
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