CN111336830A - Design method of flow dividing hole, steam-water separator and steam heat exchanger set - Google Patents
Design method of flow dividing hole, steam-water separator and steam heat exchanger set Download PDFInfo
- Publication number
- CN111336830A CN111336830A CN202010235338.0A CN202010235338A CN111336830A CN 111336830 A CN111336830 A CN 111336830A CN 202010235338 A CN202010235338 A CN 202010235338A CN 111336830 A CN111336830 A CN 111336830A
- Authority
- CN
- China
- Prior art keywords
- steam
- heat exchanger
- water separator
- hole
- flow dividing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 230000008602 contraction Effects 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B3/00—Condensers in which the steam or vapour comes into direct contact with the cooling medium
- F28B3/04—Condensers in which the steam or vapour comes into direct contact with the cooling medium by injecting cooling liquid into the steam or vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B3/00—Condensers in which the steam or vapour comes into direct contact with the cooling medium
- F28B3/06—Condensers in which the steam or vapour comes into direct contact with the cooling medium by injecting the steam or vapour into the cooling liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/02—Auxiliary systems, arrangements, or devices for feeding steam or vapour to condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/04—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a design method of a diversion hole, a steam-water separator and a steam heat exchanger group, wherein the diversion hole of the steam-water separator is designed by utilizing the relation between the aperture of the diversion hole and the fluid pressure, flow, density and length of the diversion hole at two ends of the diversion hole; and the steam-water separator is utilized to form a steam heat exchanger group, so that the steam heat is fully utilized, the problem of large residual heat of condensed water after heat exchange of the steam heat exchanger group is solved, the steam consumption is reduced, the purposes of energy conservation and emission reduction are achieved, and the economic benefit is improved.
Description
Technical Field
The invention relates to the field of heat exchange, in particular to a design method of a flow dividing hole, a steam-water separator and a steam heat exchanger group.
Background
The heating process is a common process in the fields of oil refining, petrifaction, chemical industry, steel, metallurgy, electric power, thermoelectricity, pharmacy, light industry and the like. Wherein, the steam has the characteristics of no toxicity, no pollution, easy transmission, easy control and the like, and is widely applied to the heating process.
Steam is generated by burning and heating water by fossil fuels such as coal, oil, gas and the like; in oil refining and petrochemical enterprises, the consumption of steam accounts for about 60% of the energy consumption of the enterprises. Wherein the heating steam accounts for about 70% of the whole steam consumption, and most heating processes are realized by a heat exchanger.
Fig. 1 is a system diagram of a conventional steam heat exchanger set, wherein the relationship between the working pressure P1 of the heat exchanger No. 1, the working pressure P2 of the heat exchanger No. 2 and the working pressure P3 of a liquid storage tank is P1> P2> P3, two heat exchangers respectively consume steam and condense into water to enter the liquid storage tank for unified recovery, and since the steam is condensed into water and still has a large amount of heat, and the higher the working pressure is, the larger the residual heat is, for example, the heat contained in the condensed water at 0.5MPa accounts for 21% of the original steam heat, and the heat contained in the condensed water at 10MPa accounts for 39% of the original steam heat, the problem of energy waste exists in the current process system, and the maximization of energy utilization cannot be achieved.
With the continuous expansion of industrial scale, the energy consumption is larger and larger, and a great amount of waste of fossil energy can be brought. Therefore, heat energy is efficiently utilized among the heat exchangers, the consumption of steam can be greatly reduced, and the economic benefit and the social benefit of energy conservation and emission reduction are achieved.
Disclosure of Invention
The invention aims to provide a design method of a diversion hole, a steam-water separator and a steam heat exchanger set, which are used for solving the problems in the prior art, fully utilizing steam heat and solving the problem of large residual heat of condensed water after heat exchange of the steam heat exchanger set.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a design method of a diversion hole, wherein the diversion hole is arranged in a steam-water separator and used for separating steam and high-temperature condensate, the two ends of the diversion hole are respectively an inlet end and an outlet end, and the aperture of the diversion hole, the fluid pressure, the flow rate and the density at the two ends of the diversion hole and the hole length of the diversion hole meet the following requirements:
wherein the inlet fluid pressure is P1 and the outlet fluid pressure is P2; the flow is G, the aperture is d, and the hole length is l; the density is ρ.
The invention also provides a steam-water separator which comprises a separation pipe, wherein the separation pipe comprises a contraction section and expansion ends respectively connected with the two ends of the contraction section, the minimum inner diameter of each expansion end is equal to the inner diameter of the contraction section, and a diversion hole is formed in the contraction section.
Preferably, the enlarged end is of a conical structure, and a spiral diversion trench is formed in the conical surface of the enlarged end.
Preferably, the two ends of the separation pipe are provided with flange structures, and mounting holes are uniformly distributed on the periphery of each flange structure.
Preferably, the splitter orifice is arranged coaxially with the separator tube.
The invention also provides a steam heat exchanger group, which comprises a system steam main pipeline and two branch pipelines connected with the system steam main pipeline, wherein the two branch pipelines are respectively connected with the No. 1 heat exchanger and the No. 2 heat exchanger; the No. 1 heat exchanger is connected with the No. 1 steam-water separator, and a high-temperature condensate outlet of the No. 1 steam-water separator is connected with the No. 2 heat exchanger; no. 2 heat exchanger links to each other with No. 2 catch water, and No. 2 catch water's high temperature condensate outlet links to each other with the liquid storage pot.
Preferably, the pressure of the condensate discharged from the No. 1 steam-water separator is greater than the working pressure of the No. 2 heat exchanger.
Preferably, the system steam main pipeline is provided with a regulating valve, and the branch pipeline is provided with a regulating valve.
Preferably, the liquid storage tank is provided with a condensate outlet.
Compared with the prior art, the invention has the following technical effects: according to the steam-water separator, the design of the flow dividing holes enables two-phase media of steam and condensate to form a Venturi injection effect when entering the flow dividing holes, the steam is blocked at the media inlet side of the steam-water separator to continuously exchange heat, the steam loss is avoided, and the heat energy of the steam is fully utilized; and the steam-water separator is applied to the steam heat exchanger group, and the No. 1 steam-water separator is connected with the No. 2 heat exchanger, so that the condensate discharged by the No. 1 steam-water separator continuously exchanges heat in the No. 2 heat exchanger, further the full utilization of steam heat is realized, the steam consumption is reduced, the purposes of energy conservation and emission reduction are achieved, and the economic benefit is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a system diagram of a conventional steam heat exchanger unit
FIG. 2 is a sectional view of the steam separator;
FIG. 3 is an overall structural view of the steam-water separator;
FIG. 4 is a side view of the steam trap inlet orientation;
FIG. 5 is a schematic diagram of a steam heat exchanger train of the present invention;
wherein, 1 is a separation tube; 2 is a contraction section; 3 is an expansion end; 4 is a shunting hole; 5 is a flange structure; 6 is a mounting hole; 7 is a No. 1 heat exchanger; 8 is a regulating valve; 9 is a No. 2 heat exchanger; 10 is a liquid storage tank; 11 is a No. 1 steam-water separator, 12 is a No. 2 steam-water separator, 13 is a main pipeline, and 14 is a branch pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a design method of a flow dividing hole, a steam-water separator and a steam heat exchanger set, which are used for solving the problems in the prior art, fully utilizing steam heat and solving the problem of large residual heat of condensed water after heat exchange of the steam heat exchanger set.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 2, the present embodiment provides a design method of a diversion hole 4, where the diversion hole 4 is disposed in a steam-water separator and used for separating steam from high-temperature condensate, and a design process of an aperture of the diversion hole 4 is as follows:
the fluid pressure at the inlet end of the diversion hole 4 is P1, and the temperature is T1; the fluid pressure at the outlet end of the flow dividing hole 4 is P2, and the temperature is T2; the flow rates of two ends of the shunting hole 4 are G, the aperture of the shunting hole 4 is d, and the hole length is l;
(1) the density p is calculated and,
according to a steam thermodynamic property calculation method established by the International formulation Commission, the density rho of the fluid in the diversion hole 4 is calculated by utilizing the temperature and pressure at two ends of the diversion hole 4;
(2) the pressure difference deltap between the inlet end and the outlet end of the flow dividing hole 4 is calculated,
Δ P ═ P1-P2 (formula 1)
(3) The intermediate parameters are calculated and the intermediate parameters,
calculating a comprehensive coefficient C according to the Bernoulli equation, wherein the comprehensive coefficient C represents the relation between pressure drop and mass flow:
ΔP＝CG2(formula 2)
Calculating the friction coefficient lambda according to the Darcy formula:
wherein Re is Reynolds number and epsilon is surface roughness;
(4) the aperture d of the shunting hole 4 is calculated according to a formula,
namely:
the obtained aperture of the shunting hole 4 and the fluid pressure, flow and density at two ends of the shunting hole 4 and the hole length of the shunting hole 4 meet the requirements of the united vertical type 2-5:
example two
As shown in fig. 3 to 4, the present embodiment provides a steam-water separator, and on the basis of the first embodiment, the steam-water separator of the present embodiment further has the following features: steam, the two-phase medium import of lime set and the export of lime set medium are respectively for catch water's both ends, catch water includes separator 1, separator 1 is inside including integrated into one piece and/or the contraction section 2 and the expansion end 3 of connecting, the connected mode includes welding and bonding, expansion end 3 sets up at 2 both ends of contraction section, the minimum internal diameter of expansion end 3 is the same with contraction section 2, be provided with diffluence hole 4 in the contraction section 2, diffluence hole 4 is used for blockking the steam that gets into catch water's.
The expanding end 3 can be a stepped structure and a conical structure with gradually changing diameters, when the expanding end 3 is in the conical structure, a spiral diversion trench is arranged on the inner side surface and is used for reducing the resistance of fluid entering the diversion hole; mounting and connecting structures are arranged at two ends of the separation pipe 1, each mounting and connecting structure comprises a threaded structure and a flange structure 5, and when the flange structures 5 are arranged at the two ends of the separation pipe 1, mounting holes 6 are uniformly distributed on the circumferential edge of each flange structure 5; the splitter orifice 4 is arranged coaxially with the separator tube 1.
Because there is the pressure differential at catch water both ends, so under the pressure effect of medium inlet side, form the venturi injection effect when the double-phase medium of steam and condensate gets into reposition of redundant personnel hole 4, make the flow state of double-phase medium change the vortex state into, steam is by the separation at catch water separator's medium inlet side, and the condensate has avoided steam loss through the discharge of condensate medium export by reposition of redundant personnel hole 4.
EXAMPLE III
As shown in fig. 5, the present embodiment provides a steam heat exchanger group, and on the basis of the second embodiment, the steam heat exchanger group of the present embodiment further has the following features: the steam heat exchanger group comprises a system steam main pipeline 13 and two branch pipelines 14 connected with the system steam main pipeline, and the two branch pipelines 14 are respectively connected with the No. 1 heat exchanger 7 and the No. 2 heat exchanger 9; the No. 1 heat exchanger 7 is connected with the No. 1 steam-water separator 11, and a high-temperature condensate outlet of the No. 1 steam-water separator 11 is connected with the No. 2 heat exchanger 9; the No. 2 heat exchanger 9 is connected with the No. 2 steam-water separator 12, and a high-temperature condensate outlet of the No. 2 steam-water separator 12 is connected with the liquid storage tank 10.
The condensate pressure discharged by the steam-water separator No. 1 11 is greater than the working pressure of the heat exchanger No. 2 9, so that high-temperature condensate formed after heat exchange of high-temperature steam in the heat exchanger No. 17 can enter the heat exchanger No. 2 under the action of pressure to continuously exchange heat, and the heat of the condensate is fully utilized; the system steam main pipeline 13 is provided with a regulating valve 8, the branch pipeline 14 is provided with a regulating valve 8, the regulating valve 8 is used for controlling the fluid flow of the steam main pipeline 13 and the branch pipeline 14, the liquid storage tank 10 is provided with a condensate outlet, and the condensate outlet is used for discharging condensate collected in the liquid storage tank 10.
When the steam heat exchanger group works, system steam enters a main pipeline 13 through a regulating valve 8, then two paths of flow division are carried out through a branch pipeline 14, one path of steam enters a No. 1 heat exchanger 7 for heat exchange, the steam after heat exchange is condensed into condensate due to heat reduction, then the condensate and the steam which is not fully utilized enter a two-phase medium inlet of a No. 1 steam-water separator 11, the flowing state of the two-phase medium of the steam and the condensate in a flow division hole 4 is changed into a vortex state, the steam is blocked at the medium inlet side of the No. 1 steam-water separator 11, the steam is fully utilized in the No. 1 heat exchanger 7 and the No. 1 steam-water separator 11, and the condensate is discharged through a condensate medium outlet of the No. 1 steam-water separator 11; the other branch pipeline 14 of the steam heat exchanger group is communicated with the steam of the system to enter the No. 2 heat exchanger 9 for heat exchange, and simultaneously, because the condensed liquid pressure discharged by the No. 1 steam-water separator 11 is greater than the working pressure of the No. 2 steam-water separator 12, so that the high-temperature condensate discharged by the No. 1 steam-water separator 11 can enter the No. 2 heat exchanger 9 for further heat exchange, the steam quantity of the system directly consumed by the No. 2 heat exchanger 9 is reduced, the purposes of energy conservation and consumption reduction are achieved, the economic benefit is improved, the condensate after heat exchange by the No. 2 heat exchanger 9 and the steam which is not fully utilized enter the No. 2 steam-water separator 12, so that the steam is blocked at the medium inlet side of the No. 2 steam-water separator 12, the steam is fully utilized in the No. 2 heat exchanger 9 and the No. 2 steam-water separator 12, and the condensate is discharged through a condensate medium outlet of the steam-water separator and enters the liquid storage tank 10 for collection.
Example four:
the working pressure of a No. 1 heat exchanger 7 of a methylamine workshop of a certain chemical plant is 1.0MPa under the absolute pressure condition, the operating temperature is 180 ℃, the steam consumption is 10.8t/h, and the temperature of a heated medium is controlled to be 174 ℃; the working pressure of the No. 2 heat exchanger 9 is 0.5MPa, the operating temperature is 152 ℃, the steam consumption is 37t/h, and the temperature of the heated medium is controlled to be 110 ℃; the working pressure of the liquid storage tank 10 is 0.15 MPa.
Calculating the key size parameters of the steam-water separator according to the parameters as follows:
(1) the density p is calculated and,
according to the calculation method of thermodynamic properties of water vapor prepared by the International formulary Commission, the saturation temperature of 1.0MPa is 180 ℃, and the density of saturated condensate is 887.1kg/m3The viscosity was 150.2. mu. Pa · s.
(2) Calculating the pressure difference delta P between the inlet end and the outlet end of the shunting hole,
ΔP＝1.0-0.5＝0.5MPa＝500000Pa
(3) the intermediate parameter C is calculated and,
calculating a comprehensive coefficient C according to the Bernoulli equation, wherein the comprehensive coefficient C represents the relation between pressure drop and mass flow:
ΔP＝CG2
(4) given a hole length of 0.02m and an initial value of λ of 0.014, the shunt hole diameter d was calculated according to the formula,
(5) the lambda is checked and verified, and the operation,
flow rate in the hole:
reynolds number:
the surface roughness ε was 0.0002m, and the coefficient of friction λ was calculated according to the Darcy formula:
therefore, λ ═ 1/8.466)20.014, consistent with the initial value. If not, the method is carried into the aperture calculation formula to recalculate d.
In conclusion, the steam-water separator obtained had a pore diameter of 0.0054m, i.e. 5.4mm, and a pore length of 0.02m, i.e. 2 cm. Calculating another steam-water separator by the same method, assembling a steam heat exchanger group, and performing installation and debugging as follows:
the processing amount of the No. 1 heat exchanger 7 is unchanged, and the steam consumption is reduced to 10.1 t/h; the processing amount of the No. 2 heat exchanger 9 is unchanged, and the steam consumption is reduced to 34.5 t/h. The total steam is saved by 3.2t/h, and 26880 tons of steam are saved annually according to 8400-hour operation; the cost of each ton of steam is 116 yuan, and the annual economic benefit can reach 311.8 ten thousand yuan.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The design method of the flow dividing hole is characterized in that the flow dividing hole is arranged in a steam-water separator and used for separating steam from high-temperature condensate, the two ends of the flow dividing hole are respectively an inlet end and an outlet end, and the aperture of the flow dividing hole and the fluid pressure, flow and density at the two ends of the flow dividing hole and the hole length of the flow dividing hole meet the following requirements:
wherein the inlet fluid pressure is P1 and the outlet fluid pressure is P2; the flow rate is G, the pore diameter is d, and the pore length is l; the density is ρ.
2. A steam-water separator manufactured by the method of claim 1, comprising a separation pipe, wherein the separation pipe comprises a contraction section and enlarged ends respectively connected with two ends of the contraction section, the minimum inner diameter of the enlarged ends is equal to the inner diameter of the contraction section, and the contraction section is provided with the diversion holes.
3. A steam-water separator according to claim 2, characterized in that: the expansion end is of a conical structure, and a spiral diversion trench is formed in the conical surface of the expansion end.
4. A steam-water separator according to claim 3, characterized in that: the separation tube is characterized in that flange structures are arranged at two ends of the separation tube, and mounting holes are uniformly distributed in the edges of the peripheries of the flange structures.
5. A steam-water separator according to claim 2, characterized in that: the shunting hole and the contraction section are coaxially arranged.
6. A steam heat exchanger group applying the steam-water separator as claimed in any one of claims 2 to 5, characterized in that: the system comprises a system steam main pipeline and two branch pipelines connected with the system steam main pipeline, wherein the two branch pipelines are respectively connected with the No. 1 heat exchanger and the No. 2 heat exchanger; the No. 1 heat exchanger is connected with the No. 1 steam-water separator, and a high-temperature condensate outlet of the No. 1 steam-water separator is connected with the No. 2 heat exchanger; no. 2 heat exchanger with No. 2 catch water links to each other, No. 2 catch water's high temperature condensate outlet with the liquid storage pot links to each other.
7. The steam heat exchanger block of claim 6, wherein: the condensed liquid pressure discharged by the No. 1 steam-water separator is greater than the working pressure of the No. 2 heat exchanger.
8. The steam heat exchanger block of claim 6, wherein: and the main steam pipeline of the system is provided with a regulating valve, and the branch pipelines are provided with the regulating valves.
9. A steam heat exchanger block according to claim 8, wherein: the liquid storage tank is provided with a condensate outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235338.0A CN111336830A (en) | 2020-03-30 | 2020-03-30 | Design method of flow dividing hole, steam-water separator and steam heat exchanger set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235338.0A CN111336830A (en) | 2020-03-30 | 2020-03-30 | Design method of flow dividing hole, steam-water separator and steam heat exchanger set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336830A true CN111336830A (en) | 2020-06-26 |
Family
ID=71182673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010235338.0A Pending CN111336830A (en) | 2020-03-30 | 2020-03-30 | Design method of flow dividing hole, steam-water separator and steam heat exchanger set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111336830A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5275644A (en) * | 1992-12-29 | 1994-01-04 | Combustion Engineering, Inc. | Steam separating apparatus |
| JP2013039501A (en) * | 2011-08-11 | 2013-02-28 | Mitsubishi Heavy Ind Ltd | Multistage type steam-water separator |
| CN103017562A (en) * | 2012-12-19 | 2013-04-03 | 张勤福 | Single-layer cooling type steam-water separator |
| CN105148623A (en) * | 2015-08-27 | 2015-12-16 | 苏州创时云能源科技有限公司 | Rotary blade type dynamic steam-water separator with controllable rotational speeds |
| CN204881237U (en) * | 2015-06-17 | 2015-12-16 | 杭州安耐杰科技有限公司 | Steam heat transfer system with reinforce heat transfer effect |
| CN205516907U (en) * | 2016-03-25 | 2016-08-31 | 中国石油天然气股份有限公司 | Multistage steam-water separation tubular column and detection test device thereof |
| CN206755912U (en) * | 2017-03-23 | 2017-12-15 | 江西润田实业股份有限公司 | A kind of steam-water separation type hyperbolic adverse current natural ventilating wet-type water-saving cooling column |
| CN212133340U (en) * | 2020-03-30 | 2020-12-11 | 曹雁青 | Steam-water separator and steam heat exchanger group |
-
2020
- 2020-03-30 CN CN202010235338.0A patent/CN111336830A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5275644A (en) * | 1992-12-29 | 1994-01-04 | Combustion Engineering, Inc. | Steam separating apparatus |
| JP2013039501A (en) * | 2011-08-11 | 2013-02-28 | Mitsubishi Heavy Ind Ltd | Multistage type steam-water separator |
| CN103017562A (en) * | 2012-12-19 | 2013-04-03 | 张勤福 | Single-layer cooling type steam-water separator |
| CN204881237U (en) * | 2015-06-17 | 2015-12-16 | 杭州安耐杰科技有限公司 | Steam heat transfer system with reinforce heat transfer effect |
| CN105148623A (en) * | 2015-08-27 | 2015-12-16 | 苏州创时云能源科技有限公司 | Rotary blade type dynamic steam-water separator with controllable rotational speeds |
| CN205516907U (en) * | 2016-03-25 | 2016-08-31 | 中国石油天然气股份有限公司 | Multistage steam-water separation tubular column and detection test device thereof |
| CN206755912U (en) * | 2017-03-23 | 2017-12-15 | 江西润田实业股份有限公司 | A kind of steam-water separation type hyperbolic adverse current natural ventilating wet-type water-saving cooling column |
| CN212133340U (en) * | 2020-03-30 | 2020-12-11 | 曹雁青 | Steam-water separator and steam heat exchanger group |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | The thermodynamic and cost-benefit-analysis of miniaturized lead-cooled fast reactor with supercritical CO2 power cycle in the commercial market | |
| CN203757824U (en) | Heat supply system capable of reducing return water temperature of primary network | |
| Laskowski et al. | Selecting the cooling water mass flow rate for a power plant under variable load with entropy generation rate minimization | |
| CN105042622A (en) | Air preheater based one air-water heat exchange | |
| CN212133340U (en) | Steam-water separator and steam heat exchanger group | |
| CN105890177A (en) | Forced circulation hot water system with self-power-outage-protection function | |
| CN102721539A (en) | Safety valve thermal-state test device | |
| CN111336830A (en) | Design method of flow dividing hole, steam-water separator and steam heat exchanger set | |
| CN109780886B (en) | Heat pipe type dry-wet combined cooling device suitable for nuclear power plant in desert area | |
| CN203249525U (en) | Heat pipe type organic working medium falling film evaporator utilizing low temperature exhaust heat | |
| CN2773606Y (en) | Equal-flow rate hot-pipe heat exchanger | |
| CN201093689Y (en) | Pipeline heater | |
| CN210195833U (en) | Backheating steam extraction system of single reheating unit steam turbine | |
| CN219264351U (en) | Condensed water air heater | |
| CN205137516U (en) | Air heater based on air water heat transfer | |
| CN220300654U (en) | Z-type water distribution system for coke oven raw gas sensible heat recovery | |
| CN204717661U (en) | A kind of industrial combustion gas steam generator system | |
| CN205718570U (en) | A kind of economic benefits and social benefits phase change heat exchange device | |
| Xiao et al. | Performance Analysis of a New Type Economizer System for Active Control of Exhaust Flue Gas Temperature in a 600 MW Power Plant | |
| CN215372386U (en) | Industrial steam conversion system of nuclear power station | |
| CN102966936B (en) | Double-effect and phase change waste heat recovering system for recovering low-grade waste gas waste heat | |
| Liu et al. | Application Research and Thermal Economic Evaluation of Low-Pressure Economizer on Coal-Fired Units | |
| CN219014360U (en) | High-temperature water production cooling system for flue gas water lifting of coal-fired power plant | |
| CN102561088B (en) | Heating system of multi-station preheating cylinder | |
| CN208296622U (en) | High temperature heat furnace with stage differential style composite junction epitaxial heat exchanger tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |