CN112178614A - Adjustable modular steam generator - Google Patents
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- CN112178614A CN112178614A CN202011224790.3A CN202011224790A CN112178614A CN 112178614 A CN112178614 A CN 112178614A CN 202011224790 A CN202011224790 A CN 202011224790A CN 112178614 A CN112178614 A CN 112178614A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 169
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000001704 evaporation Methods 0.000 claims description 21
- 230000008020 evaporation Effects 0.000 claims description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 14
- 238000009835 boiling Methods 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 10
- 238000013021 overheating Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 208000005168 Intussusception Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 biogas Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention provides an adjustable modular steam generator, which belongs to the technical field of steam generators and comprises a water inlet section, a steam section and a steam guide section, wherein the steam section comprises one or more steam units, and the water inlet section, the steam units and the steam guide section are sequentially arranged from bottom to top to form an accommodating cavity; the water inlet section is provided with a water inlet pipe, the steam unit is provided with a steam pipe, the steam guide section is provided with a steam guide pipe, the outlet of the water inlet pipe is connected with the inlet of the steam pipe, and the outlet of the steam pipe is connected with the inlet of the steam guide pipe; the water inlet pipe, the steam pipe and the steam guide pipe are all arranged in the accommodating cavity; and the top of the steam guide section is provided with a gas engine connector. The number of the steam units is adjustable according to the steam quantity demand of a user, the water inflow is controlled through the liquid level meter by utilizing the communication principle to adjust the height of the water-steam interface, and the steam quantity is further adjusted. A plurality of independent steam generators are combined to meet the steam quantity requirements of all users in a pressure range.
Description
Technical Field
The invention belongs to a steam generator, and particularly relates to an adjustable modular steam generator.
Background
With the increasing environmental protection pressure, the steam production by using coal as an energy source is more and more limited, and the steam production by using combustible gas (pipeline natural gas, liquefied natural gas, biogas, biomass combustible gas and the like) as an energy source is more and more widely applied.
However, the conventional gas boiler has the defects of large volume of single equipment, high energy consumption, narrow parameter adjusting range, low adjusting speed and the like, particularly has the defects of redesign and incapability of batch production when different user boiler parameters are different, and simultaneously has the hidden danger that the gas boiler belongs to special equipment and has high safety risk.
Chinese patent ZL201310021762.5 discloses a steam generator, which comprises a fan, a furnace end and an inner container, wherein the fan is connected with the furnace end, the furnace end comprises a furnace end combustion space, and is characterized in that the inner container is at least divided into four layers from bottom to top, namely a first layer steam water tank, a second layer steam water tank, a third layer steam transfer high-temperature channel and a fourth layer waste heat water tank, wherein the furnace end combustion space is arranged at the lower part of the first layer steam water tank, a second layer transfer combustion space is arranged at the upper part of the first layer steam water tank, a third layer waste heat transfer combustion space is arranged at the upper part of the second layer steam water tank, a fourth layer waste heat transfer combustion space is arranged at the upper part of the third layer steam transfer high-temperature channel, an exhaust smoke channel is arranged at the top of the fourth layer waste heat water tank, and heating pipes are sequentially arranged among the furnace end combustion space, the second layer transfer combustion space, the waste heat transfer combustion, and the first layer of steam water tank and the second layer of steam water tank are respectively provided with a steam outlet. This patent adopts the mode of layering heating, has increased the heating area to a certain extent, but the heating area is still big enough, and steam generation efficiency increases and is not very obvious, and the flexibility is poor, is not suitable for the user that the demand is different to use.
Chinese patent ZL201210023947.5 discloses a steam generator, which comprises a plurality of steam generating coils, which are in a nested relationship with each other, and adjacent steam generating coils are connected by a tee joint of the steam coil. The mode of coil pipe intussusception makes the coil pipe shelter from each other in this patent, and the heat that the combustor burning produced can not utilized rapidly, and energy loss is serious, and steam generation is inefficient.
The invention provides a method and equipment for solving the problems, which can realize that the same equipment can meet all user requirements within a design pressure allowable range, and has the advantages of small volume, simple structure and low energy consumption; the volume of the pressure-bearing part of a single device is small, is lower than the standard of pressure vessel identification, and the safety is far higher than that of a common boiler; the mass production can be realized, and the integral manufacturing cost is low; meanwhile, the device does not belong to a pressure container, annual inspection is not needed, operation and maintenance are simple, and unattended full-automatic operation can be adopted.
Disclosure of Invention
The invention aims to solve the defects that a conventional gas boiler has large volume of single equipment, high energy consumption, narrow parameter adjusting range, low adjusting speed and the like, particularly has the defects that the boiler needs to be redesigned and cannot be produced in batches when different user boiler parameters are different, and simultaneously has the technical problems that the gas boiler belongs to special equipment and has high safety risk, and provides an adjustable modular steam generator which can realize that the same equipment can meet the requirements of all users within the design pressure allowable range, and has small volume, simple structure, low energy consumption and high safety coefficient.
The technical scheme of the invention is as follows:
the adjustable modular steam generator is characterized by comprising a water inlet section (1), a steam section (2) and a steam guide section (3), wherein the steam section (2) comprises one or more steam units (21), and the water inlet section (1), the steam units (21) and the steam guide section (3) are sequentially arranged from bottom to top to form an accommodating cavity;
the water inlet section (1) is provided with a water inlet pipe (11), the steam unit (21) is provided with a steam pipe (211), the steam guide section (3) is provided with a steam guide pipe (31), the outlet of the water inlet pipe (11) is connected with the inlet of the steam pipe (211), and the outlet of the steam pipe (211) is connected with the inlet of the steam guide pipe (31);
the water inlet pipe (11), the steam pipe (211) and the steam guide pipe (31) are all arranged in the accommodating cavity;
the top of the steam guide section (3) is provided with a gas engine interface (32).
The number of the steam units is flexibly adjustable according to the steam quantity demand of a user, when the steam quantity required by the user is large, a large number of steam units are selected, and when the steam quantity required by the user is small, a small number of steam units are selected.
Preferably, the inlet of the water inlet pipe (11) is communicated with the outlet of the steam guide pipe (31) through a liquid level meter (4). By utilizing the communication principle, the water inflow is indirectly controlled through the liquid level meter, and the height of a water-steam interface is adjusted, so that the steam yield is further adjusted.
Preferably, the water inlet section (1) is provided with a condensed water outlet (12), the condensed water outlet (12) is connected with an inverted U-shaped overflow pipe (121), the top of the inverted U-shaped overflow pipe (121) is provided with a vacuum breaking pipe (122), an emptying valve (123) is arranged below the joint of the inverted U-shaped overflow pipe (121) and the condensed water outlet (12), and the highest water level of the inverted U-shaped overflow pipe (121) is higher than the height of the water inlet pipe (11). The liquid water storage that the gaseous water condensation that the fuel burning produced formed is in the bottom of the section of intaking, and along with the comdenstion water increases, the liquid level risees submergence inlet tube gradually, and the temperature degree after the condensation is often than the temperature of inlet tube normal water and want a lot of to realize the preheating effect of comdenstion water to the water in the inlet tube.
Preferably, the water inlet section (1) is further provided with a flue gas outlet (13), and the flue gas outlet (13) is higher than the highest water level of the inverted U-shaped overflow pipe (121). Such position setting makes the comdenstion water of intaking section bottom can not plug up the exhanst gas outlet on the one hand, and on the other hand flue gas produces to bottom exhanst gas outlet from top fuel burning and discharges for the heat of flue gas is utilized by furthest's absorption.
Preferably, the inlet of the water inlet pipe (11) is also connected with a water supply pipeline (5), the water supply pipeline (5) is provided with a first one-way valve (51) and a water inlet pump (52), the outlet of the steam guide pipe (31) is also connected with a steam guide pipe (6), and the steam guide pipe (6) is provided with a thermometer (61), a second one-way valve (62) and a back pressure valve (63). The speed of the water inflow is controlled through the water inlet pump, and the first check valve and the second check valve respectively prevent water and vapor from flowing back, so that safety is guaranteed.
Preferably, the water inlet pipe (11) and the steam pipe are fin type heat exchange pipe fittings. Greatly increasing the heat exchange area and improving the steam generation efficiency.
Preferably, the steam guide sections (3) are provided with a hearth temperature interface (33) and a flame observation window (34), and the steam section (1) is provided with a hearth observation window (22). For observing the operating state of the device.
A steam generating device comprises a plurality of steam generators which are arranged in parallel, wherein each steam generator is the adjustable modular steam generator. And a plurality of steam generators are combined, so that the steam quantity can be adjusted more widely and flexibly, and the requirements of users can be met.
A method of using an adjustable modular steam generator comprising the steps of:
a: selecting a proper number of evaporation units (21) according to the needs of a user, and installing the water inlet section (1), the evaporation section (2) and the steam guide section (3) from bottom to top;
b: after the steam pressure of a user is definite, the liquid level of the liquid level meter (4) is set, the pressure value of a back pressure valve (63) on the steam pipeline (6) and the lift of a water inlet pump (52) on the water supply pipeline (5) are determined, the power of a combustor is set, and therefore the steam production of the steam generator is determined.
The use method of the steam generating device comprises the following steps:
a: selecting a proper number of evaporation units (21) according to the needs of a user, and installing the water inlet section (1), the evaporation section (2) and the steam guide section (3) from bottom to top;
b: a plurality of steam generators are arranged in parallel according to the requirement, after the steam pressure of a user is definite, the pressure value of a back pressure valve (63) on a steam pipeline (6) and the lift of a water inlet pump (52) on a water supply pipeline (5) are determined, the power of a combustor is set, and therefore the steam production of the steam generators is determined;
c: when N steam generators are required to operate, in order to realize continuous adjustment of steam consumption of users, parameters of N-1 steam generators are fixed, the liquid level of the Nth steam generator is set through a liquid level meter, and then the steam yield is adjusted by adjusting the power and the water inflow of a combustor; when the steam yield of the Nth steam generator is adjusted to the lowest steam yield and is still too large, closing 1 to (N-1) steam generators one by one; on the contrary, the Nth steam generator is put into the first, and when the maximum power (steam yield) is adjusted to be still unable to meet the steam consumption, 1 to (N-1) steam generators are put into one by one.
By adopting the technical means, the technical effects are as follows:
1. the heating areas of the boiling section and the overheating section are changed by increasing or reducing the number of the steam units, and the steam yield is changed flexibly and conveniently.
2. A liquid level meter is connected between the water inlet pipe and the steam guide pipe, the height of a water-steam interface is controlled by utilizing a communication principle, the heating area proportion of the boiling section and the overheating section is changed, the regulation and control of the steam yield are further realized, and the method is simple and convenient.
3. The water flow direction and the flame direction are designed in a convection way, the flue gas generated by combustion is discharged from top to bottom, and the heat of the flue gas is absorbed to the maximum extent and then discharged; meanwhile, gaseous water generated by combustion is liquefied into condensed water to preheat water in the water inlet pipe, so that the highest heat exchange efficiency is realized, and the energy-saving and environment-friendly effects are achieved.
4. Multiple steam generators are combined, the steam quantity adjusting range is expanded, the same equipment can meet all user requirements in the design pressure allowable range, and batch production can be realized
5. The invention has small volume, simple structure, low energy consumption, small volume of the pressure-bearing part of a single device, lower than the standard of pressure vessel, and higher safety than the common boiler.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a steam guide section of the present invention, wherein a is a top view, b is a cross-sectional view, and c is a side view;
FIG. 3 is a schematic structural diagram of an evaporation unit of the present invention, wherein a is a top view, b is a cross-sectional view, and c is a side view;
FIG. 4 is a schematic view of the structure of a water inlet section of the present invention, wherein a is a top view, b is a cross-sectional view, and c is a side view;
FIG. 5 is a schematic view of the assembled structure of the present invention;
FIG. 6 is a schematic diagram of the operation of the vapor evaporator of the present invention;
FIG. 7 is a schematic diagram of the combination of several steam generators of the present invention and their operation;
in the figure: 1. a water inlet section; 11. a water inlet pipe; 12. a condensed water outlet; 121. an inverted U-shaped overflow pipe; 122. breaking the tube in vacuum; 123. an evacuation valve; 13. a flue gas outlet; 2. a steam section; 21. a steam unit; 211. a steam pipe; 22. a furnace chamber observation window; 3. a steam guide section; 31. a steam guide pipe; 32. a gas engine interface; 33. a furnace temperature interface; 34. a flame observation window; 4. a liquid level meter; 5. a water supply line; 51. a first check valve; 52. a water inlet pump; 6. a steam conduit; 61. a thermometer; 62. a second one-way valve; 63. a back pressure valve; 7. a combustion engine; 81. a main water supply line; 82. a main gas supply pipeline; 83. a water inlet pipeline is cleaned; 831. cleaning a water outlet pipeline; 84. a main drain line; 85. a main exhaust pipe; 86. and a main steam collecting pipeline.
Detailed Description
As shown in fig. 1 and 5, an adjustable modular steam generator comprises a water inlet section 1, a steam section 2 and a steam guide section 3, wherein the steam section 2 comprises one or more steam units 21, and the water inlet section 1, the steam units 21 and the steam guide section 3 are sequentially arranged from bottom to top to form an accommodating cavity;
the water inlet section 1 is provided with a water inlet pipe 11, the steam unit 21 is provided with a steam pipe 211, the steam guide section 3 is provided with a steam guide pipe 31, the outlet of the water inlet pipe 11 is connected with the inlet of the steam pipe 211, and the outlet of the steam pipe 211 is connected with the inlet of the steam guide pipe 31;
the water inlet pipe 11, the steam pipe 211 and the steam guide pipe 31 are all arranged in the accommodating cavity, and the water inlet pipe 11 and the steam pipe are fin type heat exchange pipe fittings;
the top of the steam guide section 3 is provided with a gas engine interface 32.
The inlet of the water inlet pipe 11 is communicated with the outlet of the steam guide pipe 31 through a liquid level meter 4. The inlet of the water inlet pipe 11 is also connected with a water supply pipeline 5, the water supply pipeline 5 is provided with a first one-way valve 51 and a water inlet pump 52, the outlet of the steam guide pipe 31 is also connected with a steam guide pipe 6, and the steam guide pipe 6 is provided with a thermometer 61, a second one-way valve 62 and a back pressure valve 63.
The water inlet section 1 is provided with a condensed water outlet 12, the condensed water outlet 12 is connected with an inverted U-shaped overflow pipe 121, the top of the inverted U-shaped overflow pipe 121 is provided with a vacuum breaking pipe 122, an emptying valve 123 is arranged below the joint of the inverted U-shaped overflow pipe 121 and the condensed water outlet 12, and the highest water level of the inverted U-shaped overflow pipe 121 is higher than that of the water inlet pipe 11.
As shown in fig. 4, the water inlet section 1 is further provided with a smoke outlet 13, and the smoke outlet 13 is higher than the highest water level of the inverted U-shaped overflow pipe 121. The burner is arranged at the top of the steam generator, heat is generated by burning fuel gas, and the burnt flue gas is discharged to the atmosphere or recovered from a flue gas outlet 13 arranged on the lower water inlet section 1; the inlet water enters from the bottom of the steam generator and forms convection with the flame direction of the burner so as to realize the highest heat exchange efficiency
As shown in figure 2, the casings of the steam guide sections 3 are provided with a hearth temperature interface 33 and a flame observation window 34, and if a gas engine with an ignition self-protection function cannot be adopted, the casings can also be provided with an ignition electrode and a flame/furnace temperature protection interface. The steam guide section casing and the steam guide tube are separately manufactured and are assembled only when the steam generator is assembled.
As shown in fig. 3, the casing of the steam section 1 is provided with a furnace viewing window 22, and the casing of the steam section 1 is manufactured separately from the steam pipe 211 and is assembled only when the steam generator is assembled.
As shown in fig. 5, when the steam generator is assembled, the casings of the steam guide section 3, the steam section 2 and the water inlet section 3 are fixedly connected together by bolts from bottom to top, and sealing is ensured to form a combustion chamber shell of the steam generator; the steam guide pipe 31, the steam pipe 211 and the water inlet pipe 11 are in sealed butt joint and fixed in the housing; after the steam guide pipe 31, the steam pipe 211 and the water inlet pipe 11 are butted and meet the sealing requirement, a heat exchange part of the steam generator, namely a 'furnace pipe', is formed.
In order to realize automatic control and adjustment, valves such as various temperature and pressure components, a liquid level meter, a one-way valve and the like are connected with a control system.
As shown in fig. 6, the operation principle of the adjustable modular steam generator of the present invention is as follows:
after the burner of the steam generator is started, water in the furnace tube is evaporated into steam after absorbing the heat of combustion of the burner by the water inlet of the water inlet pipe. The water inflow and the power of the burner are controlled, so that the inflow water can be evaporated into steam in the steam generator, and the inflow water cannot be directly discharged to a steam outlet. When the burner is matched with inlet water, the upper part of the furnace tube is steam, and the lower part of the furnace tube is liquid water.
The backpressure valve 63 on the steam conduit 6 and the pressure of the water inlet pipe 11 are used for water inflow and water in the furnace pipe is evaporated and expanded, and meanwhile, the burner is matched with the inflow water, so that the water in the furnace pipe can be discharged after being evaporated into steam with certain pressure, and the required steam is provided for the outside.
Because the gaseous state water that intaking and stove flame convection current, the burning produced in the stove flame, along with the lower boiler tube of flue gas downstream contact temperature, can become liquid water comdenstion water at the boiler tube outer wall condensation, the comdenstion water drips into the steam generator bottom because of gravity, and when the blowoff valve 123 was not opened, the condensation water that can gather in the combustion chamber space between the steam generator bottom, highly can reach the highest point of the type of falling U overflow pipe 121.
Steam generator normal operating, because the height that falls U-shaped overflow pipe 121 is higher than inlet tube 11, inlet tube 11 will all soak in the condensate water, when the condensate water just condensed into water, the temperature is the boiling temperature of water, is higher than into water far away, and this section pipeline of section is intake to the accessible, advances water and preheats in the pipeline, consequently, calls this section boiler tube to be the preheating section. The preheating section can obviously reduce the exhaust temperature of the flue gas and recover the latent heat of the gaseous water in the flue gas, so that the heat efficiency of the steam generator is obviously higher than that of a common gas-fired boiler.
When the steam generator operates normally, water in the furnace tube is evaporated in the evaporation section, and an evaporated water-steam interface is formed. A steam pipe 211 between the evaporation interface and the preheating section, called the boiling section; the furnace tubes between the evaporated water-steam interface and the steam outlet interface of the steam generator, i.e., part of the steam tubes 211 and the steam guide tubes 31, are called as the superheating section. The main process in the boiling section is the gasification (boiling) of liquid water under heating, and the main process in the superheating section is the complete gasification of liquid drops in steam and the increase of the steam heating temperature, i.e. the increase of the heat.
When the power of the burner is fixed and the pressure of the outlet steam is not changed, the water inflow is increased, the evaporation interface moves upwards, the heating area of the boiling section is increased, the heating area of the overheating section is reduced, the steam yield is reduced, and the overheating degree is reduced; on the contrary, when the water inflow is reduced, the evaporation interface moves downwards, the heating area of the boiling section is reduced, the heating area of the overheating section is increased, the steam yield is increased, and the overheating degree is increased.
When the power of the combustor is fixed and the pressure of a steam outlet is not changed, the evaporation interface is adjusted and changed, the ratio of the heating areas of the overheating section and the evaporation section is actually changed, the evaporation interface is reduced, the degree of overheating of steam can be increased, but the steam yield is slightly reduced; and raising the interface of the steam generator, increasing the steam yield, and reducing the superheat degree of the steam until the generated superheat degree is reduced to 0 degree, namely generating saturated steam.
After the user determines that the requirements of steam pressure and temperature are fixed, the steam consumption can fluctuate; the pressure and temperature of the steam required by different users will be different. According to the requirements of different customers, on one hand, a proper number of evaporation units 21 are selected to obtain different heating areas of the boiling section and the overheating section; on the other hand, the water inflow is controlled by a liquid level meter, and the proportion of the boiling section and the overheating section is adjusted, so that different steam amounts are realized.
In order to obtain a wider range of steam amount, as shown in fig. 7, the present invention provides a steam generating device, which comprises a plurality of steam generators connected in parallel, i.e. a plurality of independent steam generators are used in combination.
The burners of the individual steam generators are connected to a main gas supply pipeline 82, the water inlet pipes are connected to a main water supply pipeline 81, the steam guide pipes are connected to a main steam collecting pipeline 86, the flue gas outlets are connected to a main smoke exhaust pipeline 85, and the inverted U-shaped overflow pipes are connected to a main water discharge pipeline 84.
In addition, the steam generating device is further provided with a cleaning system, which comprises a total cleaning water inlet pipeline 83 and cleaning water outlet pipelines 831 connected to the water inlet pipes of the independent steam generators, wherein the total cleaning water inlet pipeline 83 is respectively connected to the steam guide pipes of the independent steam generators, and the cleaning water outlet pipelines 831 are respectively connected to the total drainage pipeline 84. During cleaning, cleaning water enters the steam guide pipe, the steam pipe and the water inlet pipe of each independent steam generator through the main cleaning water inlet pipeline 83 respectively, and then is discharged from the main water discharge pipe 84 through the cleaning water outlet pipeline 831.
The use method of the adjustable modular steam generator comprises the following steps:
a: selecting a proper number of evaporation units (21) according to the needs of a user, and installing the water inlet section (1), the evaporation section (2) and the steam guide section (3) from bottom to top;
b: after the steam pressure of a user is definite, the liquid level of the liquid level meter (4) is set, the pressure value of a back pressure valve (63) on the steam pipeline (6) and the lift of a water inlet pump (52) on the water supply pipeline (5) are determined, the power of a combustor is set, and therefore the steam production of the steam generator is determined.
The using method of the steam generating device formed by combining a plurality of independent steam generators comprises the following steps:
a: selecting a proper number of evaporation units (21) according to the needs of a user, and installing the water inlet section (1), the evaporation section (2) and the steam guide section (3) from bottom to top;
b: a plurality of steam generators are arranged in parallel according to the requirement, after the steam pressure of a user is definite, the pressure value of a back pressure valve (63) on a steam pipeline (6) and the lift of a water inlet pump (52) on a water supply pipeline (5) are determined, the power of a combustor is set, and therefore the steam production of the steam generators is determined;
c: when N steam generators are required to operate, in order to realize continuous adjustment of steam consumption of users, parameters of N-1 steam generators are fixed, the liquid level of the Nth steam generator is set through a liquid level meter, and then the steam yield is adjusted by adjusting the power and the water inflow of a combustor; when the steam yield of the Nth steam generator is adjusted to the lowest steam yield and is still too large, closing 1 to (N-1) steam generators one by one; on the contrary, the Nth steam generator is put into the first, and when the maximum power (steam yield) is adjusted to be still unable to meet the steam consumption, 1 to (N-1) steam generators are put into one by one.
Claims (10)
1. The adjustable modular steam generator is characterized by comprising a water inlet section (1), a steam section (2) and a steam guide section (3), wherein the steam section (2) comprises one or more steam units (21), and the water inlet section (1), the steam units (21) and the steam guide section (3) are sequentially arranged from bottom to top to form an accommodating cavity; the water inlet section (1) is provided with a water inlet pipe (11), the steam unit (21) is provided with a steam pipe (211), the steam guide section (3) is provided with a steam guide pipe (31), the outlet of the water inlet pipe (11) is connected with the inlet of the steam pipe (211), and the outlet of the steam pipe (211) is connected with the inlet of the steam guide pipe (31);
the water inlet pipe (11), the steam pipe (211) and the steam guide pipe (31) are all arranged in the accommodating cavity;
the top of the steam guide section (3) is provided with a gas engine interface (32).
2. Adjustable modular steam generator according to claim 1, characterized in that the inlet of the inlet pipe (11) communicates with the outlet of the steam guide pipe (31) through a level gauge (4).
3. The adjustable modular steam generator of claim 1, wherein the water inlet section (1) is provided with a condensed water outlet (12), the condensed water outlet (12) is connected with an inverted U-shaped overflow pipe (121), a vacuum breaking pipe (122) is arranged at the top of the inverted U-shaped overflow pipe (121), an emptying valve (123) is arranged below the junction of the inverted U-shaped overflow pipe (121) and the condensed water outlet (12), and the highest water level of the inverted U-shaped overflow pipe (121) is higher than the water inlet pipe (11).
4. Adjustable modular steam generator according to claim 4, characterized in that the water inlet section (1) is further provided with a flue gas outlet (13), the flue gas outlet (13) being higher than the highest water level of the inverted U-shaped overflow tube (121).
5. The adjustable modular steam generator of claim 1, wherein the inlet of the water inlet pipe (11) is further connected to a water supply pipe (5), the water supply pipe (5) is provided with a first check valve (51) and a water inlet pump (52), the outlet of the steam guide pipe (31) is further connected to a steam guide pipe (6), and the steam guide pipe (6) is provided with a thermometer (61), a second check valve (62) and a back pressure valve (63).
6. The adjustable modular steam generator of claim 1, wherein the inlet pipe (11) and the steam pipe are fin heat exchanger tubes.
7. Adjustable modular steam generator according to claim 1, characterized in that the steam guiding sections (3) are each provided with a furnace temperature interface (33) and a flame viewing window (34), the steam section (1) being provided with a furnace viewing window (22).
8. Steam generating device, characterized in that it comprises several steam generators arranged in parallel, said steam generators being adjustable modular steam generators according to any of claims 1 to 7.
9. Use of an adjustable modular steam generator according to any of claims 1-7, comprising the steps of:
a: selecting a proper number of evaporation units (21) according to the needs of a user, and installing the water inlet section (1), the evaporation section (2) and the steam guide section (3) from bottom to top;
b: after the steam pressure of a user is definite, the liquid level of the liquid level meter (4) is set, the pressure value of a back pressure valve (63) on the steam pipeline (6) and the lift of a water inlet pump (52) on the water supply pipeline (5) are determined, the power of a combustor is set, and therefore the steam production of the steam generator is determined.
10. The method of using a steam generator as claimed in claim 8, comprising the steps of:
a: selecting a proper number of evaporation units (21) according to the needs of a user, and installing the water inlet section (1), the evaporation section (2) and the steam guide section (3) from bottom to top;
b: a plurality of steam generators are arranged in parallel according to the requirement, after the steam pressure of a user is definite, the pressure value of a back pressure valve (63) on a steam pipeline (6) and the lift of a water inlet pump (52) on a water supply pipeline (5) are determined, the power of a combustor is set, and therefore the steam production of the steam generators is determined;
c: when N steam generators are required to operate, in order to realize continuous adjustment of steam consumption of users, parameters of N-1 steam generators are fixed, the liquid level of the Nth steam generator is set through a liquid level meter, and then the steam yield is adjusted by adjusting the power and the water inflow of a combustor; when the steam yield of the Nth steam generator is adjusted to the lowest steam yield and is still too large, closing 1 to (N-1) steam generators one by one; on the contrary, the Nth steam generator is put into the first, and when the maximum power (steam yield) is adjusted to be still unable to meet the steam consumption, 1 to (N-1) steam generators are put into one by one.
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| CN201251169Y (en) * | 2008-08-04 | 2009-06-03 | 王红雄 | Highly-effective energy-saving steam generator |
| CN103017131A (en) * | 2013-01-22 | 2013-04-03 | 廖正才 | Steam generator |
| CN104296118A (en) * | 2014-10-14 | 2015-01-21 | 常州大学 | Upright tube plate evaporator |
| WO2016079120A1 (en) * | 2014-11-21 | 2016-05-26 | Cockerill Maintenance & Ingenierie S.A. | Drum steam generator having a wall thickness reduced by the use of a multi-drum configuration |
| CN106989375A (en) * | 2017-05-19 | 2017-07-28 | 天津市龙津科技有限公司 | Electromagnetic heating steam boiler system and its control method |
| CN209801445U (en) * | 2018-12-04 | 2019-12-17 | 杭州联赫节能环保科技有限公司 | heat pipe type steam generator |
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2020
- 2020-11-05 CN CN202011224790.3A patent/CN112178614B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201251169Y (en) * | 2008-08-04 | 2009-06-03 | 王红雄 | Highly-effective energy-saving steam generator |
| CN103017131A (en) * | 2013-01-22 | 2013-04-03 | 廖正才 | Steam generator |
| CN104296118A (en) * | 2014-10-14 | 2015-01-21 | 常州大学 | Upright tube plate evaporator |
| WO2016079120A1 (en) * | 2014-11-21 | 2016-05-26 | Cockerill Maintenance & Ingenierie S.A. | Drum steam generator having a wall thickness reduced by the use of a multi-drum configuration |
| CN106989375A (en) * | 2017-05-19 | 2017-07-28 | 天津市龙津科技有限公司 | Electromagnetic heating steam boiler system and its control method |
| CN209801445U (en) * | 2018-12-04 | 2019-12-17 | 杭州联赫节能环保科技有限公司 | heat pipe type steam generator |
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