Utility model content
The purpose of this utility model is to provide that a kind of steam production is big, steam produces that fast, vapor (steam) temperature is high, combustion gas heat
Can utilization rate height, the steam generation module unit of energy-conservation.
What the purpose of this utility model was realized in:
A kind of steam generation module unit, including casing and at least two groups of steam generating unit units, the steam generation
For monoblock in casing, the steam generating unit unit includes water inlet pipe, air inlet pipe and at least two steam generations
Device, the steam generator, which is arranged in order, to be arranged in casing, and the air inlet pipe includes air inlet supervisor and a plurality of air intake branch, institute
Stating steam generator includes combustion chamber, gas ratio valve, fire row and at least two heat exchangers, the air intake branch connection
The fire row with every steam generator is responsible in air inlet, and the gas ratio valve is on air intake branch, the heat exchanger and fire
Together in combustion chamber, the fire row is located at below heat exchanger row, the heat exchanger in first steam generator
Cooling water inlet is provided with, the first steam generator or the heat exchanger being arranged in last N steam generators are provided with and steamed
Vapor outlet, the inlet pipeline connect with cooling water inlet, the heat exchanger in each steam generator be sequentially connected in series provided with
Between the heat exchanger of cooling water inlet and heat exchanger provided with steam (vapor) outlet, in cooling water inlet and steam between each heat exchanger
A path is formed between outlet.
The utility model can also improve further below.
The steam generator also includes steam pipe, it is described go out steam pipe one end connected with steam (vapor) outlet, go out steam
The other end of pipe is used as vapor interface.
The more steam generating unit units be arranged above and below setting or left-right situs be arranged in casing.
The serpentine-like tubulose of heat exchanger, so as to increase the heat of heat exchanger inside space limited in combustion chamber
Exchange area, heat exchange efficiency is high, and gas thermal energy utilization rate is high.
The casing is surrounded by framework and coaming plate, and smoke discharging pipe is provided with the casing, and the coaming plate includes top plate, bottom
Plate and side plate, the side plate are provided with fresh air inlet, and the top plate is provided with exhaust smoke hole, and the top of the combustion chamber is provided with row
Cigarette blower fan, the exhaust opening of the smoke exhaust fan of every steam generator connect with smoke discharging pipe, the smoke discharging pipe and exhaust smoke hole
Connection.Caused flue gas is to pass through smoke exhaust pipe in the combustion chamber of every steam generator in the steam generating unit unit
Casing is discharged in road, so as to be the quick smoke evacuation of casing and radiating and cooling, ensures module the utility model steam unit energy normal work.
The steam outlet is provided with vapor (steam) temperature probe and steam pressure probe.The vapor (steam) temperature probe and vapour pressure
Power is popped one's head in the temperature and pressure of the high-temperature steam for detecting the utility model steam unit institute output respectively.
The water inlet pipe is provided with water pump, hydrotreater, water flow sensing unit, check valve, intake pressure switch, inflow temperature
Probe, entering water electromagnetic valve.The intake pressure switch, inflow temperature probe are respectively used to the pressure and temperature of detection water inlet, enter
Water solenoid valve is used to controlling the break-make of whole piece water inlet pipe, current water flow sensing unit be used to detect in inlet pipeline the flow velocity of current and
Flow, avoid occurring the situation of steam generation unit dry combustion method.Check valve is to be used to avoid because steam generation machine set system is unstable
The situation of caused aqueous reflux occurs.
The fire row is provided with ignition electrode and nozzles kept burning day and night, and the gas ratio valve is provided with ever-burning flame air supply pipe, described
Ever-burning flame air supply pipe is connected with nozzles kept burning day and night, and the casing is provided with pulse igniter, and the nozzles kept burning day and night are arranged at ignition electrode
Side, the ignition electrode are electrically connected with pulse igniter.After the utility model power-on, gas ratio valve is opened ever-burning flame and supplied
Tracheae, ever-burning flame air supply pipe are connected with nozzles kept burning day and night, and combustion gas flows to ever-burning flame mouth, and pulse igniter of the present utility model is put automatically
Electricity, ignition electrode light ever-burning flame in advance automatically, and ever-burning flame first keeps burning, and then gas ratio valve is opened, and gas ratio valve connects
Logical air inlet pipeline and fire row, ever-burning flame lights the fire of fire row, after igniting, closes ever-burning flame, during so as to avoid lighting a fire
Explosion, considerably improve the safety and reliability of ignition operation.
The entrance of the heat exchanger is provided with nozzle, and the nozzle is necking valve.The nozzle can effectively prevent by
In the steam pressure in heat exchanger it is excessive caused by water backflow so that steam can only go out toward the steam of gas steam engine
The output of mouth direction, ensure to keep the system stabilization in heat exchanger, the valve apertures r of the nozzle is 0.6mm<r<4.5mm.When
During r=3.5mm, now the non-return effect of nozzle is best, can be better protected from opposing steam flow, so as to ensure to be in heat exchanger
System is stable.
Water inlet pipe is corresponded on the casing, air inlet pipe is respectively arranged with water inlet interface and gas inlet interface, very convenient
User voluntarily plugs into running water pipe and fuel gas pipeline.
The steam generator includes multiple heat exchangers, and multiple heat exchangers are arranged in combustion chamber from top to bottom,
It is first heat exchanger, second heat exchanger ... N heat exchangers successively, the first heat exchange of first steam generator
Device, the second steam generator first heat exchanger ... the first heat exchanger of N steam generators, N steam generators
Second heat exchanger ... first steam generator second heat exchanger ... N steam generators or the first evaporator
N heat exchangers are sequentially connected in series, and first heat exchanger one end of the first steam generator is as cooling water inlet, N steam
One end of the N heat exchangers of generator or the first evaporator is as steam (vapor) outlet.Running water of the present utility model is from top to bottom
Each steam generator first heat exchanger is flowed through, is passed through in the minimum N heat exchangers in position, running water is in this process
In, it is fully warmed-up, and just start, the temperature difference between adjacent two heat exchangers is big, low so as to be advantageous to temperature
Heat exchanger fully recycles the gas thermal energy in combustion chamber so that the low heat exchanger of temperature obtains effectively in combustion chamber
Ground preheats, and this not only takes full advantage of gas thermal energy, improves the utilization rate of gas thermal energy so that the utility model more supernumerary segment
Can, moreover, when heat exchanger is heated, the low heat exchanger of each burning indoor temperature is effectively preheated, pre- thermal effect
Fruit is good, so as to improve vapor (steam) temperature of the present utility model and steam production rate.
The heat exchanger is finned type heat exchanger, and the heat exchange area of finned type heat exchanger is big, and heat exchange efficiency is high,
Heat exchange efficiency of the present utility model can be effectively improved.
The control board that every steam generating unit unit is provided with independent control, therefore every steaming are corresponded on the casing
Vapour generating unit unit can work independently, all without interacting between unit and unit, user can according to oneself
Need, and open the suitable steam generating unit unit of quantity, the utility model steam generation module unit is meeting client certainly
With while going out vapor (steam) velocity, and can avoids wasting the energy and resource, the utility model steam generation quantity of steam required for oneself
Module unit using flexible, is extremely saved.
The heat exchanger is provided with Overtemp. protector, and the Overtemp. protector is electrically connected with control board, described
Overtemp. protector is temperature sensor, it is preferred that the Overtemp. protector is provided in the first heat exchanger in combustion chamber
Outer wall on, when the temperature that Overtemp. protector is detected in combustion chamber is too high, high temperature signal can be sent to control board, control
Circuit board processed can be automatically turned off whole steam generation module compressor emergency shutdown, so as to avoid the utility model steam generation module unit
Electric component burn out.
Blast switch is provided with the combustion chamber, the blast switch is electrically connected with control board, and the blast is opened
Close for detecting the air pressure in combustion chamber, when the air pressure in combustion chamber reaches the wind pressure value of need shutdown of setting, blast switch
Control board is transmitted a signal to, control circuit closes down whole steam generation module unit, therefore blast switch can guarantee that this steaming
Module unit occurs for vapour can close down whole steam generation module machine in time in the case where being influenceed by external air flow, air draft not being smooth
Group, to ensure that combustion gas does not leak, contingency is avoided, so as to protect personal safety.
The beneficial effects of the utility model are:
(1)The utility model includes at least two groups of steam generating unit units, and the steam generating unit unit is included extremely
Few two steam generators, steam generator, which is arranged in order, to be arranged in casing, and the steam generator includes at least two heat
Exchanger, heat exchanger are arranged in combustion chamber from top to bottom, and the heat exchanger in the first steam generator is provided with cold water
Import, the first steam generator or the heat exchanger being arranged in last N steam generators are provided with steam (vapor) outlet, each to steam
Heat exchanger in vapour generator is sequentially connected in series in the heat exchanger provided with cooling water inlet and the heat exchanger provided with steam (vapor) outlet
Between, therefore the utility model steam generation module unit, steam generation is faster, steam production is enough, vapor (steam) temperature is reachable
To 165 degree and steam moisture it is low, therefore the utility model can more meet hotel, restaurant, dining room, hotel, enterprise etc. to steam
Fast, high-temperature, high yield, low-moisture high request occurs.
(2)In addition, the temperature difference between heat exchanger in combustion chamber is big, two heat exchangers also easily exchange heat, from
And be advantageous to the low heat exchanger of temperature and fully recycle gas thermal energy in combustion chamber so that the low heat exchanger of temperature exists
Effectively being preheated in combustion chamber, this takes full advantage of gas thermal energy, improves the utilization rate of gas thermal energy, so that this
Utility model more saves, moreover, when heat exchanger is heated, the low heat exchanger of each burning indoor temperature obtains effectively
Preheating, pre-heat effect is good, so as to improve vapor (steam) temperature of the present utility model and steam production rate.
(3)More have plenty of, due to most of gas thermal energy in combustion chamber by steam generator heat exchanger absorb, from
And the operating pressure and operating temperature of smoke exhaust fan are reduced, extend the service life of smoke exhaust fan.
(4)Nozzle of the present utility model is necking valve, and in throat structure, according to fluid mechanics principle, this kind of structure causes
The pressure of nozzle inlet side is more than the pressure of outlet side, and this effectively prevents the steam in heat exchanger from being flowed back due to unstable
Or crossfire, the steam in first heat exchanger is avoided opposing steam flow toward the steam outbound course stream of first heat exchanger
And cause whole system unstable.
Embodiment one, as shown in Figures 1 to 10, a kind of steam generation module unit, including casing 1 and at least two groups of steam
Generating unit unit 2, for the steam generating unit unit 2 in casing 1, the steam generating unit unit 2 includes water inlet
Pipe 23, air inlet pipe 22 and at least two steam generators 21, the steam generator 21, which is arranged in order, to be arranged in casing 1,
The air inlet pipe 22 includes air inlet supervisor 221 and a plurality of air intake branch 222, and the steam generator 21 includes combustion chamber 211, combustion
Gas proportioning valve 212, fire row 213, at least two heat exchangers 210 and go out steam pipe 17, the air intake branch 222 connect into
Gas supervisor 221 and the fire row 213 of every steam generator 21, the gas ratio valve 212 are described on air intake branch 222
Together in combustion chamber 211, the fire row 213 be located at below heat exchanger 210 for heat exchanger 210 and fire row 213, and described the
A heat exchanger 210 in one steam generator 21 is provided with cooling water inlet 202, the first steam generator 21 or is arranged in last
N steam generators 21 in a heat exchanger 210 be provided with steam (vapor) outlet 201, the tunnel of water inlet pipe 23 and cooling water inlet 202
Connect, the heat exchanger in each steam generator 21 is sequentially connected in series in the heat exchanger 210 provided with cooling water inlet 202 and set
Between having the heat exchanger 210 of steam (vapor) outlet 201, between each heat exchanger 210 cooling water inlet 202 and steam (vapor) outlet 201 it
Between form a path.It is described go out steam pipe 17 one end connected with steam (vapor) outlet 201, go out the other end of steam pipe 17 as going out to steam
Vapour interface 171.
The utility model can also improve further below.
The more steam generating unit units 2 be arranged above and below setting or left-right situs be arranged in casing 1.
The 210 serpentine-like tubulose of heat exchanger.
The casing 1 is surrounded by framework 11 and coaming plate 12, is provided with smoke discharging pipe in the casing 1, the coaming plate 12 wraps
Top plate 16, bottom plate and side plate 14 are included, the side plate 14 is provided with fresh air inlet 101, and the top plate 16 is provided with exhaust smoke hole 15,
The top of the combustion chamber 211 is provided with smoke exhaust fan 24, the exhaust opening 241 of the smoke exhaust fan 24 of every steam generator 21 with
Smoke discharging pipe connects, and the smoke discharging pipe connects with exhaust smoke hole 15.
Vapor (steam) temperature probe 218 and steam pressure probe 219 are provided with the steam (vapor) outlet 201.
The water inlet pipe 23 is provided with water pump 231, hydrotreater, water flow sensing unit 235, check valve 236, intake pressure and opened
Close 233, water inlet pipe 23, inflow temperature probe 234, entering water electromagnetic valve 232.
The fire row 213 is provided with ignition electrode 273 and nozzles kept burning day and night 274, and the gas ratio valve 212 is provided with ever-burning flame
Air supply pipe 271, the ever-burning flame air supply pipe 271 are connected with nozzles 274 kept burning day and night, and the casing 1 is provided with pulse igniter 272,
The nozzles kept burning day and night 274 are arranged at by ignition electrode 273, and the ignition electrode 273 is electrically connected with pulse igniter 272.
The entrance of the heat exchanger 210 is provided with nozzle 3, and the nozzle 3 is necking valve.The nozzle 3 can be effectively
Prevent that water flows back caused by the steam pressure in heat exchanger 210 is excessive, so that steam can only be toward combustion and steam
The direction of steam (vapor) outlet 201 output of machine, ensure to keep the system in heat exchanger 210 stable, the valve apertures r of the nozzle 3
For 0.6mm<r<4.5mm.As r=3.5mm, now the non-return effect of nozzle 3 is best, can be better protected from opposing steam flow, so as to
Ensure that the system in heat exchanger 210 is stable.
Water inlet pipe 23 is corresponded on the casing 1, air inlet pipe 22 is respectively arranged with water inlet interface 18 and gas inlet interface 19,
The water inlet interface 18 and gas inlet interface 19 are used to connect running water pipe and fuel gas supply equipment respectively.
The steam generator 21 includes multiple heat exchangers 210, and multiple heat exchangers 210 are arranged on combustion from top to bottom
Burn in room 211, be first heat exchanger 214, second heat exchanger 215, the 3rd heat exchanger 216 ... N heat exchanges successively
Device 210, the first heat exchanger 214 of first steam generator 21, the first heat exchanger of the second steam generator 21
214th ... the first heat exchanger 214 of N steam generators 21, the second heat exchanger 215 ... of N steam generators 21
The 3rd heat exchanger 216, the second steam of the second heat exchanger 215 of first steam generator 21, the first steam generator 21
The N heat exchangers 210 of the evaporator of the 3rd heat exchanger 216 ... N steam generators 21 or first of generator 21 are successively
It is connected in series, one end of first heat exchanger 214 of the first steam generator 21 is as cooling water inlet 202, N steam generators 21
Or first evaporator N heat exchangers 210 one end as steam (vapor) outlet 201.
In the present embodiment, every group of unit steam unit includes 3 steam generators 21, the combustion of every steam generator
Burn interior and be equipped with three heat exchangers 210, designer can increase or decrease steam generator 21 according to the demand of client
With the quantity of heat exchanger 210.
The heat exchanger 210 is finned type heat exchanger 210.
The control board 10 that every steam generating unit unit 2 is provided with independent control is corresponded on the casing 1.
The heat exchanger 210 is provided with Overtemp. protector 26, and the Overtemp. protector 26 and control board 10 are electrical
Connection, the Overtemp. protector 26 is temperature sensor.
Blast switch 25 is provided with the combustion chamber 211, the blast switch 25 is electrically connected with control board 10, because
This blast switch can guarantee that this steam generation module unit can be closed down in time in the case where being influenceed by external air flow, air draft not being smooth
Whole steam generation module unit, to ensure that combustion gas does not leak, avoids contingency, so as to protect personal safety.