CN220304314U - Steam condensate recycling device based on flash tank - Google Patents
Steam condensate recycling device based on flash tank Download PDFInfo
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- CN220304314U CN220304314U CN202223456690.0U CN202223456690U CN220304314U CN 220304314 U CN220304314 U CN 220304314U CN 202223456690 U CN202223456690 U CN 202223456690U CN 220304314 U CN220304314 U CN 220304314U
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- water
- circulating water
- steam condensate
- tank
- flash tank
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- 238000004064 recycling Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 154
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 230000001502 supplementing effect Effects 0.000 claims abstract description 14
- 239000008399 tap water Substances 0.000 claims abstract description 8
- 235000020679 tap water Nutrition 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000003303 reheating Methods 0.000 claims abstract description 6
- 239000010865 sewage Substances 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 238000011084 recovery Methods 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 238000004378 air conditioning Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to the technical field of recycling devices, and discloses a steam condensate recycling device based on a flash tank, which comprises a flash tank and a steam condensate recycling device, wherein the steam condensate recycling device comprises a high-temperature circulating water pump, a preheating section of a combined air conditioner box, a reheating section of the combined air conditioner box, a liquid level sensor, a safe discharging device, an electric two-way valve, an electric two-way regulating valve, a pressure sensor, a flow sensor, a temperature sensor, a steam condensate recycling port, a tap water supplementing port, a circulating water outlet, a sewage draining port, a pure water raw water tank water feeding pipe, a boiler room water supplementing tank water feeding pipe, a circulating water feeding pipe, a first circulating water return pipe, a second circulating water return pipe, a bypass pipe and an inspection manhole. Different operation modes are selected by monitoring the water level and the water temperature of the high-temperature water of the flash tank, so that the recycling of the heat of the steam condensate water and the heat of the flash steam is realized.
Description
Technical Field
The utility model relates to the technical field of recycling devices, in particular to a steam condensate recycling device based on a flash tank.
Background
In the field of electronic/pharmaceutical industry, most of steam condensate in many production workshops is collected by a cooling pond, and is discharged after cooling or recycled water is recycled; and part of the water is recycled by a steam condensate recycling unit, and the water is conveyed to a boiler room water replenishing or other high-temperature water requiring places through a pneumatic pump or an electric pump when the water storage capacity is reached. According to the scheme, the high-temperature water of the steam condensate is partially recovered, the secondary steam is directly discharged, but the conveying distance is long, pipeline filling and pipeline heat loss in the conveying process are required for the high-temperature water in the conveying process, the high-temperature condensate is not effectively utilized, and the flash steam is not recycled and directly discharged.
Based on the problems existing in the recycling of the steam condensate, one solution which can be adopted at present is to firstly improve a steam condensate recycling device, intensively collect the steam condensate for recycling in situ, and when the water temperature is reduced to normal temperature (settable), the water is filtered and then is conveyed to a pure water raw water tank or a boiler room; secondly, the design of the water inlet structure of the flash tank is improved, and the flash steam is cooled in a circulating way through heat recovery circulating backwater in a stable operation period.
Along with the development of the electronic/medical industry, how to realize the recovery of the waste heat of the steam condensate and simultaneously meet the requirements of economy and energy conservation is an important technical problem to be solved, and therefore, the steam condensate recovery and utilization device based on the flash tank is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a steam condensate recycling device based on a flash tank, which aims to solve the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steam condensate recycling device based on flash tank, includes flash tank and steam condensate recycling device, steam condensate recycling device includes high temperature circulating water pump, combination formula air conditioning case preheating section, combination formula air conditioning case reheat section, level sensor, safe discharging device, electronic two-way valve, electronic two-way governing valve, pressure sensor, flow sensor, temperature sensor, steam condensate recovery mouth, running water moisturizing mouth, circulating water delivery port, drain, pure water former water tank feed pipe, boiler room moisturizing tank feed pipe, circulating water feed pipe, first circulating water return pipe, second circulating water return pipe, bypass pipe and inspection manhole.
Preferably, the flash tank comprises a circulating backwater mist nozzle and a stainless steel orifice plate in the flash tank, wherein the stainless steel orifice plate consists of four orifice plates, and the four orifice plates are fixed through a snap fastener structure.
Preferably, a plurality of first exhaust holes and second exhaust holes are formed in the stainless steel pore plate, and the number of the second exhaust holes is at least three times that of the first exhaust holes.
Preferably, the pure water raw water tank water supply pipe is connected with the pure water tank raw water tank, and the boiler room water replenishing tank water supply pipe is connected with the boiler room water replenishing tank.
Preferably, one end of the circulating water feed pipe is communicated with the circulating water outlet, and the other end of the circulating water feed pipe and one end of the first circulating water return pipe are connected with other heat recovery coils.
Preferably, the second circulating water return pipe is used for connecting process steam condensate.
(III) beneficial effects
Compared with the prior art, the utility model provides a steam condensate recycling device based on a flash tank, which has the following beneficial effects:
1. different operation modes are selected by monitoring the water level and the water temperature of the high-temperature water in the flash tank, so that the high-temperature water circulation heat recovery of the steam condensate is realized, the heat recovery of the flash steam is utilized, and the water is fed into the pure water raw water tank for water supply or the boiler room is not much after the recovery is cooled, so that the high-efficiency and energy-saving operation of the condensate recovery system is realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a stainless steel orifice plate according to the present utility model;
FIG. 3 is a schematic view of the structure of the vent hole of the present utility model.
In the figure: 1. a high-temperature circulating water pump; 2. a preheating section of the combined air conditioning box; 3. a reheating section of the combined air conditioner case; 4. a circulating backwater spray nozzle; 5. stainless steel orifice plate; 6. a flash tank; 7. a liquid level sensor; 8. a safety vent; 9. an electric two-way valve; 10. an electric two-way regulating valve; 11. a pressure sensor; 12. a flow sensor; 13. a temperature sensor; 14. a steam condensate recovery port; 15. a tap water supplementing port; 16. a circulating water outlet; 17. a sewage outlet; 18. a pure water raw water tank water supply pipe; 19. water supply pipe of water supply tank of boiler room; 20. a circulating water feed pipe; 21. a first circulating water return pipe; 22. a second circulating water return pipe; 23. a bypass pipe; 24. a manhole is inspected; 501. a first exhaust hole; 502. and a second exhaust hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a technical scheme, referring to fig. 1, a steam condensate recycling device based on a flash tank, which comprises a flash tank 6 and a steam condensate recycling device, wherein the steam condensate recycling device comprises a high-temperature circulating water pump 1, a combined air conditioning box preheating section 2, a combined air conditioning box reheating section 3, a liquid level sensor 7, a safety discharge device 8, an electric two-way valve 9, an electric two-way regulating valve 10, a pressure sensor 11, a flow sensor 12, a temperature sensor 13, a steam condensate recycling port 14, a tap water supplementing port 15, a circulating water outlet 16, a sewage drain 17, a pure water raw water tank water feeding pipe 18, a boiler room water supplementing tank water feeding pipe 19, a circulating water feeding pipe 20, a first circulating water return pipe 21, a second circulating water return pipe 22, a bypass pipe 23 and a maintenance manhole 24.
Referring to fig. 1 and 2, the flash tank 6 includes a circulating backwater mist nozzle 4 and a stainless steel orifice plate 5 therein, the stainless steel orifice plate 5 is composed of four orifice plates, and the four orifice plates are fixed by snap structures.
Referring to fig. 2 and 3, a plurality of first air vents 501 and second air vents 502 are provided in the stainless steel orifice plate 5, and the number of the second air vents 502 is at least three times that of the first air vents 501.
Referring to fig. 1, a pure water raw water tank water supply pipe 18 is connected with a pure water tank raw water tank, and a boiler room water supply tank water supply pipe 19 is connected with a boiler room water supply tank.
Referring to fig. 1, one end of a circulating water feed pipe 20 is connected to a circulating water outlet 16, and the other end of the circulating water feed pipe 20 and one end of a first circulating water return pipe 21 are connected to other heat recovery coils.
Referring to fig. 1, a second circulating water return pipe 22 is used to connect process steam condensate.
The working principle of the device is as follows: the initial water replenishing, according to the signal feedback of the liquid level sensor 7, the electric two-way valve 9 of the tap water replenishing port 15 is opened, when the water level reaches the low water level, the liquid level sensor 7 feeds back the signal, the water replenishing is stopped, the pressure in the flash tank 6 is monitored by the pressure sensor 11, the pressure is increased to a set value P1, the electric two-way regulating valve 10 is opened, the other electric two-way regulating valves 10 are kept closed for filling, the circulation cooling is performed, the temperature is monitored by the temperature sensor 13, when the water temperature in the tank is increased to the set value, the electric two-way valve 10 is closed, the electric two-way valve 9 communicated with the circulating water return pipe 21 is opened, the water pump enters a heat recovery circulation mode, the variable frequency of the water pump is regulated according to the water supply pressure, the water supply pressure is higher than the set value, the variable frequency of the water pump is regulated, the variable frequency of the water pump is reduced to a certain degree of power frequency operation, at the moment, according to the pressure difference value of the water supply return pressure, the electric two-way regulating valve 10 enters a regulating mode, the regulating mode of the electric two-way regulating valve 10 keeps constant flow to operate, the state of the electric two-way valve 9 is unchanged, during the operation in the circulating mode, high temperature water is exchanged into low temperature circulating water through a heat recovery coil pipe, the low temperature circulating water is conveyed to a flash tank spray water nozzle for continuously reducing temperature and recycling flash steam, when the water temperature is lower than 20 ℃, the electric two-way valve 9 connected with a pure water tank raw water tank and a boiler room water supplementing tank is opened at a high water level in the flash tank, meanwhile, the electric two-way regulating valve 10 and the electric two-way valve 9 communicated with a circulating water return pipe 21 are closed, normal temperature water is conveyed to the pure water tank or the boiler room water supplementing tank, when the pressure in the flash tank exceeds a set value, the safety valve jumps to remove overpressure air and flash steam, and the safety place outdoors; when the condensate is discharged to design back pressure, the set pressure of the safety valve cannot exceed the designed back pressure value of the steam condensate, the set pressure cannot influence the discharging capacity of the drain valve, and the back pressure of the drain valve is increased.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a steam condensate recycling device based on flash tank, includes flash tank (6) and steam condensate recycling device, its characterized in that: the steam condensate recycling device comprises a high-temperature circulating water pump (1), a combined air conditioner box preheating section (2), a combined air conditioner box reheating section (3), a liquid level sensor (7), a safety discharge device (8), an electric two-way valve (9), an electric two-way regulating valve (10), a pressure sensor (11), a flow sensor (12), a temperature sensor (13), a steam condensate recycling port (14), a tap water supplementing port (15), a circulating water outlet (16), a sewage draining port (17), a pure water raw water tank water feeding pipe (18), a boiler room water supplementing tank water feeding pipe (19), a circulating water feeding pipe (20), a first circulating water return pipe (21), a second circulating water return pipe (22), a bypass pipe (23) and an inspection manhole (24);
the flash tank (6) comprises a circulating backwater water mist nozzle (4) and a stainless steel pore plate (5) inside the flash tank; the pressure sensor (11) is connected to the upper part of the stainless steel pore plate (5) in the flash tank (6), the temperature sensor (13) is connected to the lower part of the stainless steel pore plate (5) in the flash tank (6) and is connected with the second circulating water return pipe (22), and the liquid level sensor (7) is communicated with the side surface of the inside of the flash tank (6) and is connected with the bypass pipe (23);
the safety discharge device (8), the inspection manhole (24) and the tap water supplementing port (15) are arranged at the top of the flash tank (6), the circulating water outlet (16) and the sewage outlet (17) are arranged at the bottom of the flash tank (6), one steam condensate recovery port (14) is arranged at the lower part of the flash tank (6) and is connected with the tap water supplementing port (15) through the electric two-way valve (9), and the other steam condensate recovery port (14) is arranged at the upper part of the flash tank (6) and is connected with the second circulating water returning pipe (22);
one end of the high-temperature circulating water pump (1) is connected with the circulating water outlet (16), the other end of the high-temperature circulating water pump is respectively connected with the combined air conditioning box preheating section (2) and the combined air conditioning box reheating section (3) through the electric two-way valve (9) and the circulating water feed pipe (20), and the first circulating water return pipe (21) is respectively connected with the combined air conditioning box preheating section (2) and the combined air conditioning box reheating section (3) and is connected with the tap water supplementing port (15) through the electric two-way valve (9);
the pure water raw water tank water supply pipe (18) and the boiler room water supply tank water supply pipe (19) are respectively connected with the circulating water supply pipe (20) through the electric two-way valve (9), and the circulating water supply pipe (20) is also connected with the electric two-way regulating valve (10), the pressure sensor (11), the flow sensor (12) and the temperature sensor (13).
2. The flash tank-based steam condensate recycling device according to claim 1, wherein: the stainless steel pore plate (5) consists of four pore plates, and the four pore plates are fixed through snap structures.
3. The flash tank-based steam condensate recycling device according to claim 2, wherein: the stainless steel pore plate (5) is internally provided with a plurality of first exhaust holes (501) and second exhaust holes (502), and the number of the second exhaust holes (502) is at least three times that of the first exhaust holes (501).
4. A flash tank-based steam condensate recycling apparatus as claimed in claim 3, wherein: the pure water raw water tank water supply pipe (18) is connected with the pure water tank raw water tank, and the boiler room water supplementing tank water supply pipe (19) is connected with the boiler room water supplementing tank.
5. The flash tank-based steam condensate recycling device according to claim 4, wherein: one end of the circulating water feed pipe (20) is communicated with the circulating water outlet (16), and the other end of the circulating water feed pipe (20) and one end of the first circulating water return pipe (21) are connected with other heat recovery coils.
6. The flash tank-based steam condensate recycling device according to claim 5, wherein: the second circulating water return pipe (22) is used for connecting process steam condensate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223456690.0U CN220304314U (en) | 2022-12-23 | 2022-12-23 | Steam condensate recycling device based on flash tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223456690.0U CN220304314U (en) | 2022-12-23 | 2022-12-23 | Steam condensate recycling device based on flash tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304314U true CN220304314U (en) | 2024-01-05 |
Family
ID=89353463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223456690.0U Active CN220304314U (en) | 2022-12-23 | 2022-12-23 | Steam condensate recycling device based on flash tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304314U (en) |
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2022
- 2022-12-23 CN CN202223456690.0U patent/CN220304314U/en active Active
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