CN204729832U - The water lapping eliminator of refinery device condensate return flow automatic regulation - Google Patents
The water lapping eliminator of refinery device condensate return flow automatic regulation Download PDFInfo
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- CN204729832U CN204729832U CN201520429440.9U CN201520429440U CN204729832U CN 204729832 U CN204729832 U CN 204729832U CN 201520429440 U CN201520429440 U CN 201520429440U CN 204729832 U CN204729832 U CN 204729832U
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- condensed water
- pressure condensed
- low pressure
- tank body
- ingress pipe
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Abstract
The utility model discloses a kind of refinery device condensate return water lapping eliminator, comprise columniform tank body, the two ends of described tank body are hemisphere, and the top of described tank body is provided with outer pipe, and the bottom of described tank body is provided with drain; The both sides of described tank body are communicated with low pressure condensed water ingress pipe and middle pressure condensed water ingress pipe respectively, the end of described low pressure condensed water ingress pipe is provided with low pressure condensed water diffuser, the end of described middle pressure condensed water ingress pipe is provided with middle pressure condensed water diffuser, and described low pressure condensed water diffuser and middle pressure condensed water diffuser are equipped with some holes; Described low pressure condensed water ingress pipe is connected with the steam vapour system of refinery device, and described middle pressure condensed water ingress pipe is connected with the medium pressure steam system of refinery device; The utility model has the advantage of: can effectively reduce or eliminate the steam condensate under the different temperature difference of two strands or multiply, different pressures state, water hammer is produced when header is mixed into backwater mother pipe, the every design data of water lapping eliminator all meets working condition safety index, its practicability, scientific advantage is illustrated in actual application, fill up uncontrollable after water attack appears in condensate return pipeline, and there is no special this blank of water attack abatement apparatus.
Description
Technical field
The utility model relates to a kind of water lapping eliminator, and specifically a kind of refinery device condensate return water lapping eliminator, belongs to water lapping eliminator field.
Background technique
In the production technology of refinery device, water hammer is long-standing problem, endanger huge especially in steam and condensate return pipe network, the water hammer experiment caused due to water hammer is very large on the impact of pipeline, if dealt with improperly, the high vibration of pipeline, distortion will be caused, even break.Therefore, the water attack in pipeline is control effectively just seem extremely important.The scope occurred due to water hammer is wide, harm is large and be difficult to control, and becomes a great problem of Utilities aspect for a long time.
Steam heat-exchanging is one of the most common in any refinery device and inevitable technique, wherein reclamation of condensate water is in Petrochemical Enterprises almost 100%, but in reclamation of condensate water technique, condensed fluid due to the different operating mode of each pipeline is pooled to the female Guan Shi of lime set and there will be more or less uncontrollable water hammer, and the harm of water attack is widely.The reason that water hammer occurs is roughly following: the lime set that (1) temperature is higher and the lower lime set of temperature are met, and occur Local Heat Transfer, cause partial vaporization phenomenon, produce local boosting, now lime set local produces acceleration, and diffusion is towards periphery clashed into, and produces water hammer; (2) the low pressure lime set that temperature is lower presses the steam liquefied be mingled with in lime set in higher for a part of temperature, form parital vacuum, produce cavitation, surrounding liquid is caused to occupy rapidly the space of gas originally, cause column separation, the moment that column separation regroups is formed clashes into, and produces water hammer; (3) because middle pressure lime set pressure is high, can produce higher back pressure when collecting to low pressure condensate pipe, there will be after low pressure condensate pipe suppresses certain pressure, the generation spurting lime set at interval is collected, produce water hammer,
Now a lot of Petrochemical Enterprises is for solving condensate return water attack, takes to change original process pipelines, again stringing, the condensed water of different operating mode is independently entered respectively normal pressure condensed fluid water return tank, then sends in the mode of pump pressurization, reaches the object solving water attack.But in this solution, stringing changes original technology mode again, its examination & approval are loaded down with trivial details, and stringing is mixed and disorderly, pipeline repeats superposition, adds cost of investment and the security risk of device.
Model utility content
In order to solve the problem, the utility model devises a kind of refinery device condensate return water lapping eliminator, can effectively reduce or eliminate the steam condensate under the different temperature difference of two strands or multiply, different pressures state, water hammer is produced when header is mixed into backwater mother pipe, the every design data of water lapping eliminator all meets working condition safety index, its practicability, scientific advantage is illustrated in actual application, fill up uncontrollable after water attack appears in condensate return pipeline, and there is no special this blank of water attack abatement apparatus.
The technical solution of the utility model is:
A kind of refinery device condensate return water lapping eliminator, comprise columniform tank body, the two ends of described tank body are hemisphere, and the top of described tank body is provided with outer pipe, and the bottom of described tank body is provided with drain; The both sides of described tank body are communicated with low pressure condensed water ingress pipe and middle pressure condensed water ingress pipe respectively, the end of described low pressure condensed water ingress pipe is provided with low pressure condensed water diffuser, the end of described middle pressure condensed water ingress pipe is provided with middle pressure condensed water diffuser, and described low pressure condensed water diffuser and middle pressure condensed water diffuser are equipped with some holes; Described low pressure condensed water ingress pipe is connected with the steam vapour system of refinery device, and described middle pressure condensed water ingress pipe is connected with the medium pressure steam system of refinery device.
Further, described hole is divided into longitudinal hole and horizontal hole, and described longitudinal hole be arranged in parallel along the axial direction of body, and described horizontal hole is vertical with the axial direction of body to be arranged.
Further, the bottom of described tank body is also provided with maintenance slag exhausting mouth, and slag exhausting mouth adopts blind flange to seal when equipment runs.
Wherein, the pore quantity of low pressure condensed water diffuser and middle pressure condensed water diffuser is through calculating, and be uniformly distributed, realize the mixing of mesolow backwater lime set Quick uniform, reduce pressure difference, when reducing the mixing of mesolow lime set, due to partial gas phase liquefaction, produce parital vacuum, the drop of surrounding is assembled to region of no pressure fast shock diffusion is produced to pipeline.By safe and reasonable by two strands or multiply lime set rapid mixing evenly after, send to lime set water pot from top water outlet pipeline, after pressurization, deliver to boiler water system.
In addition, described low pressure condensed water ingress pipe is connected with steam vapour system, and described middle pressure condensed water ingress pipe is connected with medium pressure steam system.
Further, described outer pipe is also connected with discharge pressure automatic adjusting control device, with water lapping eliminator pressure for control point, water lapping eliminator water flow is controlled by automatic regulating valve after setup pressure value, to guarantee that whole condensate return system pressure is stablized, make in back zone, low pressure return pipe network back pressure is normal, and then optimize the stability of its condensate return system pipe network.
The utility model, by reducing the temperature difference, makes two strands or the full and uniform mixing at short notice of multiply lime set, reduces partial liquefaction and produces parital vacuum, spread to pipeline.Reduce pressure difference, part lime set gasification degree is reduced, reduce pipeline extent of cavitation, avoid in pipeline, occurring the flash vaporized phenomenon in uncontrollable local.
The utility model has the advantage of: can effectively reduce or eliminate the steam condensate under the different temperature difference of two strands or multiply, different pressures state, water hammer is produced when header is mixed into backwater mother pipe, the every design data of water lapping eliminator all meets working condition safety index, its practicability, scientific advantage is illustrated in actual application, fill up uncontrollable after water attack appears in condensate return pipeline, and there is no special this blank of water attack abatement apparatus.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cross-sectional view of the utility model embodiment diffuser.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Embodiment 1
As shown in Figure 1-2, a kind of refinery device condensate return water lapping eliminator, comprise columniform tank body 1, the two ends of described tank body 1 are hemisphere, total length 1600mm, be highly 1070mm, wherein main body total length is 1200mm, be highly 420mm, described tank design pressure is greater than 0.5MPa, the top of described tank body 1 is provided with the outer pipe 2 that vertical height is 300mm caliber 100mm, by the Flange joint of DN100, the bottom of described tank body 1 is provided with the drain 3 that caliber is DN25, be highly 250mm, the bottom of described tank body 1 is also provided with the maintenance slag exhausting mouth 4 that caliber is DN80, be highly 100mm, slag exhausting mouth adopts blind flange to seal when canceller runs, the both sides of described tank body 1 are communicated with low pressure condensed water ingress pipe 5 and middle pressure condensed water ingress pipe 6 respectively, the end of described low pressure condensed water ingress pipe 5 is provided with low pressure condensed water and distributes fast diffuser 7 i.e. low pressure condensed water diffuser, the end of described middle pressure condensed water ingress pipe 6 be provided with middle pressure condensed water distribute fast diffuser 8 namely in pressure condensed water diffuser, the caliber of described low pressure condensed water ingress pipe 5 is DN80, described low pressure condensed water ingress pipe 5 adopts DN80 Flange joint CONCENTRIC REDUCER reducing to be that DN100 is connected to low pressure condensed water and distributes fast diffuser 7, low pressure condensed water diffuser 7 caliber that distributes fast is DN100, 212 holes are evenly provided with around body, total length is 350mm, the caliber of described middle pressure condensed water ingress pipe 6 is DN100, described middle pressure condensed water ingress pipe 6 adopts DN100 Flange joint, be that DN150 is connected to middle pressure condensed water and distributes fast diffuser 8 by reducing head reducing, distribute the fast caliber of diffuser 8 of middle pressure condensed water is DN150, 331 holes are evenly provided with around body, total length 420mm.
Described hole is divided into longitudinal hole 9 and horizontal hole 10, and described longitudinal hole 9 be arranged in parallel along the axial direction of body, and described horizontal hole 10 is vertical with the axial direction of body to be arranged.
In addition, described outer pipe 2 is also connected with discharge pressure automatic adjusting control device, with water lapping eliminator pressure for control point, water lapping eliminator water flow is controlled by automatic regulating valve after setup pressure value, to guarantee that whole condensate return system pressure is stablized, make in back zone, low pressure return pipe network back pressure is normal, and then optimize the stability of its condensate return system pipe network.
Wherein, the pore quantity of low pressure condensed water diffuser and middle pressure condensed water diffuser is through calculating, and be uniformly distributed, realize the mixing of mesolow backwater lime set Quick uniform, reduce pressure difference, when reducing the mixing of mesolow lime set, due to partial gas phase liquefaction, produce parital vacuum, the drop of surrounding is assembled to region of no pressure fast shock diffusion is produced to pipeline.By safe and reasonable by two strands or multiply lime set rapid mixing evenly after, send to lime set water pot from top water outlet pipeline, after pressurization, deliver to boiler water system.
Low pressure lime set diffuser the number of openings theoretical value calculates
The cross-section area of the cross-section area/hole of the number of openings >=supervisor
Hole diameter is designed to 5.5mm
I.e. [(80mm ÷ 2) 2 × π] ÷ [(5.5mm ÷ 2) 2 × π]
=5024mm2÷23.7625mm2
=211.425=212
Dispersion pipe is set to 8 row's uniform pore openings
212 ÷ 8 arrange=and 26.5
Hole often arranges about 27
Between horizontal hole, distance is
(350-5.5×27)÷27
(350-148.5)÷27
=7mm
Between longitudinal hole, distance is
Dispersion pipe caliber girth-total distance in (8 × 5.5)=hole gap
80mm×π-44mm
=251.2mm
Gap overall length ÷ 8 arranges=25.9mm
Middle pressure lime set diffuser design pore quantity calculates
The cross-section area of the cross-section area/hole of the number of openings=supervisor
Hole diameter is designed to 5.5mm
I.e. [(100mm ÷ 2) 2 × π] ÷ [(5.5mm ÷ 2) 2 × π]
=7850mm2÷23.7625mm2
=330.35=331
Dispersion pipe is set to 10 row's uniform pore openings
331 ÷ 10 arrange=and 34
Hole often arranges about 34
Between horizontal hole, distance is:
(420mm-5.5 mm×34)÷34
(420 mm -187 mm)÷34
=6.85mm
Between longitudinal hole, distance is:
Dispersion pipe caliber girth-total distance in (10 × 5.5 mm)=hole gap
100mm×π-55mm
=259mm
Gap overall length ÷ 10 arranges=25.9mm
Low pressure lime set and the rear temperature theory calculate of middle pressure lime set mixing:
Known: the water outlet of middle pressure lime set is 5.4t/h, temperature is 120 DEG C ± 5
The water outlet of low pressure lime set is 5.1t/h, and temperature is 70 DEG C ± 5
Heat calculation formula Q=cm Δ t
If t is mixed temperature, ask t
Q suction=Q puts C × M × (120 DEG C-t DEG C)=C × M × (t DEG C-70 DEG C) 4200 × 5400 × (120-t DEG C)=4200 × 5100 × (t DEG C-70) t DEG C=95.71428571 DEG C
In addition, described low pressure condensed water ingress pipe 5 is connected with steam vapour system, and described middle pressure condensed water ingress pipe 6 is connected with medium pressure steam system.
Steam vapour system is after A work area is delivered to B work area D-01 low pressure steam knock out drum, because steam pipe line exists certain thermal loss, there is a certain amount of lime set in low pressure steam pipeline, first bottom hydrophobic treatment is carried out, top low pressure steam enters solvent naphtha work area low-pressure pipe network, for user T-07 tower, T-08 tower, instrument companion heat and material preheating, its low pressure lime set is collected to low pressure lime set pipe network from multiple user, due to the difference of its temperature and pressure, there is slight water attack district at junction, after mixing, enter the female pipe pipe network of condensate return.
Medium pressure steam system is after A work area is delivered to B work area Z-02 medium pressure steam knock out drum, it hydrophobicly enters flash drum to carry out hydrophobic treatment, steam enters user T-01 tower, T-03 tower, T-04 tower, T-06 tower by top, middle pressure lime set enters pipe network and collects, due to the difference of individual unit condensate temperature pressure, the slight water attack district of same generation, enters flash drum after mixing again, top produces the middle pressure lime set of low pressure steam and base section, and bottom flash drum, lime set is incorporated to the female pipe pipe network of condensate return.
In original lime set backwater flow process, low pressure lime set pipe network lime set house steward is connected to the low-pressure pipe network joint of water lapping eliminator, valve C is installed additional before connection, middle pressure lime set house steward with Flange joint to the fecder system network joint of water lapping eliminator, install valve B before connection additional, water lapping eliminator water outlet pipeline is connected to the female pipe of lime set backwater and is sent from device district.
Water lapping eliminator bypass pipe, for overhauling the use of water lapping eliminator, valve E, as the bypass of middle pressure lime set, also can be used as water lapping eliminator due to anti-surge valve use during water attack seismic wave diffusion generation surge.
Using effect contrasts
Before using, two bursts of lime sets occur significantly shaking at junction, in narrow pipeline, occur uncontrollable region of no pressure and second gasification phenomenon, junction pipeline pressure is uncontrollable, and low pressure lime set pipeline back pressure is higher, lime set flowing state is turbulence state, wherein be mingled with some vapor, do not have pressure balance district, fluids within pipes trend mixes, water attack is obvious, and pipe vibration is larger.
Use after installing, 120 DEG C, pressure is 0.25MPa, flow is the middle pressure lime set of 5.4t/h and temperature is 70 DEG C, pressure is 0.12MPa, and flow is that the low pressure lime set of 5.1t/h enters in water lapping eliminator respectively, Quick uniform and carry out its temperature after mixing fully and be about 95.The mixing lime set of 7 DEG C, mixes fast in water lapping eliminator, reduces the temperature difference of two bursts of lime sets, in full water situation, decrease gasification phenomenon and local vacuum phenomenon, reduce whole low-pressure pipe network back pressure, the low pressure lime set flowing of 0.12MPa is comparatively stable, and water hammer is obviously eliminated.
Claims (4)
1. a refinery device condensate return water lapping eliminator, is characterized in that: comprise columniform tank body, and the two ends of described tank body are hemisphere, and the top of described tank body is provided with outer pipe, and the bottom of described tank body is provided with drain; The both sides of described tank body are communicated with low pressure condensed water ingress pipe and middle pressure condensed water ingress pipe respectively, the end of described low pressure condensed water ingress pipe is provided with low pressure condensed water diffuser, the end of described middle pressure condensed water ingress pipe is provided with middle pressure condensed water diffuser, and described low pressure condensed water diffuser and middle pressure condensed water diffuser are equipped with some holes; Described low pressure condensed water ingress pipe is connected with the steam vapour system of refinery device, and described middle pressure condensed water ingress pipe is connected with the medium pressure steam system of refinery device.
2. a kind of refinery device condensate return water lapping eliminator according to claim 1, it is characterized in that: described hole is divided into longitudinal hole and horizontal hole, described longitudinal hole be arranged in parallel along the axial direction of body, and described horizontal hole is vertical with the axial direction of body to be arranged.
3. a kind of refinery device condensate return water lapping eliminator according to claim 1 and 2, is characterized in that: the bottom of described tank body is also provided with maintenance slag exhausting mouth.
4. a kind of refinery device condensate return water lapping eliminator according to claim 1 and 2, is characterized in that: described outer pipe is also connected with discharge pressure automatic adjusting control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429440.9U CN204729832U (en) | 2015-06-23 | 2015-06-23 | The water lapping eliminator of refinery device condensate return flow automatic regulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429440.9U CN204729832U (en) | 2015-06-23 | 2015-06-23 | The water lapping eliminator of refinery device condensate return flow automatic regulation |
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|---|---|
| CN204729832U true CN204729832U (en) | 2015-10-28 |
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|---|---|---|---|
| CN201520429440.9U Expired - Fee Related CN204729832U (en) | 2015-06-23 | 2015-06-23 | The water lapping eliminator of refinery device condensate return flow automatic regulation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131383A (en) * | 2017-06-14 | 2017-09-05 | 西安交通大学 | Condense water hammer and suppress structure and suppression system |
| CN109443444A (en) * | 2018-12-17 | 2019-03-08 | 西安交通大学 | Utilize the method that water attack is condensed in flow pattern and temperature measuring device prediction pipeline |
| CN112377711A (en) * | 2020-11-30 | 2021-02-19 | 亚洲硅业(青海)股份有限公司 | Pipeline protection device |
-
2015
- 2015-06-23 CN CN201520429440.9U patent/CN204729832U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131383A (en) * | 2017-06-14 | 2017-09-05 | 西安交通大学 | Condense water hammer and suppress structure and suppression system |
| CN107131383B (en) * | 2017-06-14 | 2019-12-24 | 西安交通大学 | Condensate water hammer suppression structure and suppression system |
| CN109443444A (en) * | 2018-12-17 | 2019-03-08 | 西安交通大学 | Utilize the method that water attack is condensed in flow pattern and temperature measuring device prediction pipeline |
| CN109443444B (en) * | 2018-12-17 | 2020-03-31 | 西安交通大学 | Method for predicting water hammer in pipeline by using flow pattern and temperature measuring device |
| CN112377711A (en) * | 2020-11-30 | 2021-02-19 | 亚洲硅业(青海)股份有限公司 | Pipeline protection device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |