CN201066113Y - Gas steam generator - Google Patents

Gas steam generator Download PDF

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Publication number
CN201066113Y
CN201066113Y CNU2007200534610U CN200720053461U CN201066113Y CN 201066113 Y CN201066113 Y CN 201066113Y CN U2007200534610 U CNU2007200534610 U CN U2007200534610U CN 200720053461 U CN200720053461 U CN 200720053461U CN 201066113 Y CN201066113 Y CN 201066113Y
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CN
China
Prior art keywords
water
water tank
pipe
gas
heat exchanger
Prior art date
Application number
CNU2007200534610U
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Chinese (zh)
Inventor
林清泉
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林清泉
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Priority to CNU2007200534610U priority Critical patent/CN201066113Y/en
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Publication of CN201066113Y publication Critical patent/CN201066113Y/en

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Abstract

The utility model discloses a small gas steam generator which includes a shell, a gas inlet tube, a portfire, a burning device, a hearth on the upper part of the burning device, a tail gas discharge tube, a water tank on the upward side of the hearth, an water inlet tube communicated with the water tank, a water discharge tube at the bottom part of the water tank, a steam tube at the upper part of the water tank and an intelligent control system. The gas inlet tube, the water inlet tube, the water discharge tube and the steam tube are all provided with a valve. A flue heat exchanger is arranged in the water tank. The flue heat exchanger perforates between the bottom part and the top part of the water tank from up to down. The air inlet of the flue heat exchanger is communicated with the hearth and the water outlet of the flue heat exchanger is joined and communicated with the tail gas discharge tube. The steam is generated by heating the water to boil through the mode of high efficiency heat exchange between the high heat of burning smoke and gas and the water in the water tank. The utility model has the advantages of small size, high heat efficiency and can generate a great deal of steam quickly, etc. The utility model is broadly applied to the industries like repast, printing and dyeing, paper making, bathing, hairdressing, indoor heating, etc.

Description

A kind of gas steam generator

Technical field

The utility model relates to a kind of steam raising plant, relates in particular to a kind of small gas steam generator that is used for energy-conservation, the Based Intelligent Control of occasions such as kitchen, dining room.

Background technology

At present, when general kitchen, dining room needs vapour cooking food, all be directly in pot, to add water, produce steam with water in gas furnace or the electric furnace heating boiling pot then; Low, the significant wastage energy of such mode of heating efficient.At this problem, someone has proposed a kind of new solution, as Chinese patent application number is 03226171.3, the day for announcing is on June 9th, 2004, name is called " small gas steam generator ", this application case discloses the small gas steam generator that the catering industry boiling is used, it comprises the burner in shell and the shell, storage tank, burner connects the air inlet pipeline of combustion gas, also be connected with ignition switch on it, control device, the storage tank bottom on burner top is provided with interior external flue to projecting inward formation combustion chamber between combustion chamber and the storage tank, this scheme adopt fuel gas buring heating flame chamber and in, the water of external flue periphery makes the water boiling produce steam.Its weak point is: inner flue is arranged on around the skin of combustion chamber between the sidepiece and storage tank shell, this setting causes that the heat exchange area of the water in inner flue outer wall and the water tank is limited, heat transfer rate is not high, and the steam in the water tank turns to that the speed of steam is slow, vaporization rate is not high.

The utility model content

At the prior art deficiency, the utility model is special to propose that a kind of volume is little, the thermal efficiency is high, can produce the gas steam generator of a large amount of steam fast.

In order to reach above-mentioned technical purpose, the utility model has been taked following technical proposals:

A kind of gas steam generator comprises burner hearth, the exhaust emission tube on shell, gas inlet pipe, igniter and burner, burner top, the water tank of burner hearth top, the water inlet pipe that is connected with water tank, the drainpipe of water tank bottom, the steam pipe and the intelligence control system of water tank upper; Be provided with valve on gas inlet pipe, water inlet pipe, drainpipe and the steam pipe, be provided with the chimney flue type heat exchanger in the water tank, described chimney flue type heat exchanger is from bottom to top between the bottom and top in the water tank, the air inlet of described chimney flue type heat exchanger is connected with burner hearth, and its gas outlet is connected connection mutually with exhaust emission tube.

Described chimney flue type heat exchanger is meant that the air inlet of chimney flue type heat exchanger communicates with the burner hearth of water tank bottom between the bottom in the water tank and the top from bottom to top, and the chimney flue type heat exchanger upwards extends to tank top from water tank bottom always, and its gas outlet is connected connection mutually with exhaust emission tube.The high-temperature flue gas that fuel gas buring produces enters in the chimney flue type heat exchanger from the chimney flue type heat exchanger air inlet that is connected with the burner hearth of water tank bottom, through being arranged to atmosphere by exhaust emission tube behind the chimney flue type heat exchanger of whole water tank up and down.Because the chimney flue type heat exchanger is bottom-up is distributed in the water tank, makes the water in the whole cavity volume of water tank all can carry out heat exchange uniformly, thereby improved heat exchange efficiency with the outer wall of chimney flue type heat exchanger.Described chimney flue type heat exchanger can be the pipe of different shapes such as square tube, pipe, one group of pipe that can be that a pipe can be also that many pipes form or multi units tube.For heat exchanger effectiveness is improved, the utility model can also be that described chimney flue type heat exchanger is made up of one or more groups coil exchanger arranged side by side.Described every group of coil exchanger is made up of more than one pipeline.The setting of coil pipe can slow down the air velocity of combustion product gases, and the heat that route produces burning thereby the increase flue gas is flowed through farthest is transmitted in the interior water of water tank.Described chimney flue type heat exchanger or coil exchanger can also be that one or more groups helical disk screws on the pipeline of liter or the pipeline composition that S shape is spiraled and risen.

Valve on water inlet pipe is by intelligence control system or manually opened water is put into water tank, and then the valve on the startup gas inlet pipe, igniter, igniter is lighted burner, high-temperature flue gas in the burner hearth enter that described chimney flue type heat exchanger increases its outer wall surface temperature rapidly to be used for and described water tank in water carry out heat exchange, cold water in water tank ebuillition of heated at short notice produces steam, steam pipe output steam by water tank upper, steam can directly be used for steamed wheaten foods thing or sterilization, or connects the heating that radiator is used for the room behind steam pipe.And through with water tank in hydrothermal exchange after flue gas finally drain into atmosphere from described exhaust emission tube with lower temperature.If do not use gas steam generator the water in the water tank to be drained by drainpipe for a long time by the valve on intelligence control system or the manually opened described drainpipe.

In order to control the water level in the water tank, the utility model can also be, in the water tank side level control box is set, and the water inlet of described level control box is communicated with described water inlet pipe, and its delivery port is communicated with water tank; On described level control box water level controller is set, described water level controller is electrically connected with described intelligence control system.Described level control box operated by rotary motion is in orientation, water tank lateral wall top, described water level controller can be floater controlled valve or other fluid level control device, cold water enters in the water tank through described level control box from water inlet pipe, because described level control box is communicated with water tank, thereby the water level in the described level control box is equal with the water level in the water tank, when water level controller senses water level in the level control box is that water level in the water tank reaches when setting high water level, then closes the level control box water inlet by water level controller; When water level controller senses water level in the level control box is that water level in the water tank reaches when setting low water level, carries out the function that moisturizing reaches excessive low water level protection thereby then open the level control box water inlet by water level controller.

Too high in order to prevent steam pressure, the utility model can also be, relief valve is set, and described relief valve is located at tank top, or establishes arm communicate with steam pipe on described steam pipe, and described relief valve is located on the described arm.When the pressure limit of pressure above relief valve, relief valve is opened discharged steam to reach the purpose of pressure release.

In order to make waste discharge gas better effects if, also make described gas steam generator safer, the utility model can also be, between the gas outlet of described chimney flue type heat exchanger and described exhaust emission tube Forced discharge fan is set, and described Forced discharge fan is electrically connected with described intelligence control system.The air inlet pipe of described Forced discharge fan is connected connection mutually with the gas outlet of described chimney flue type heat exchanger, and the blast pipe of described Forced discharge fan is connected connection mutually with described exhaust emission tube.When starting gas steam generator, intelligence control system at first starts described Forced discharge fan with the air emptying that reaches in the chimney flue type heat exchanger in the burner hearth, the valve of just opening then on the water inlet pipe discharges water in water tank, and then the valve on the startup gas inlet pipe, igniter, igniter is lighted burner.In the gas steam generator course of work, Forced discharge fan is in running order always to prevent that toxic emission from freely not causing poisoning.Close when source of the gas, after burner quit work, it is clean that described Forced discharge fan keeps the toxic emission that duty a period of time will remain in chimney flue type heat exchanger and the burner hearth, just closes described Forced discharge fan by intelligence control system.

The utility model can also be, blast switch is set, and described blast switch communicates with the blast pipe or the described exhaust emission tube of described Forced discharge fan, and is electrically connected with described intelligence control system.In blast that the induction of described blast switch produces less than the Forced discharge fan running is the blast pipe of described Forced discharge fan or the blast in the described exhaust emission tube, then close whole gas steam generator to reach the safeguard protection effect.

The utility model can also be, the preheating water pipe is set in described water tank, and the water inlet of described preheating water pipe is connected connection mutually with described water inlet pipe, and its delivery port is connected connection mutually with described level control box.Cold water enters the preheating water pipe from water inlet pipe, enters level control box by the preheating water pipe then, is entered in the water tank by level control box again.Flow in the process of level control box through the preheating water pipe at water, the water vapour in the outer wall radiations heat energy of chimney flue type heat exchanger and the water tank is preheating the cold water in the described preheating water pipe.For the heat that can directly draw steam in the water tank and the outer wall radiations heat energy of described chimney flue type heat exchanger, the utility model can also be that described preheating water pipe is one group of coil pipe, and is located at the top in the water tank.Described preheating water pipe is set to the coil-like distance and slow down flow velocity of flowing through that can increase cold water, thereby has increased the heat time heating time of water in the preheating water pipe, makes its preheat temperature higher.

Flame-out in order to prevent described burner, can also near described burner, flame-out protection device be set, and be electrically connected with described intelligence control system.Described flame-out protection device can be flame-out inductive needle.When accident extinguishing; after the fire that flame-out inductive needle is sensed burner extinguishes; automatically cut off by the air feed of the valve of control on the gas inlet pipe, thereby avoid making the generation of personnel's poisoning, fire and explosion accident, reach the purpose of safeguard protection because of gas leakage with gas inlet pipe.Can also be in water tank and steam pipe in temperature sensing system is set respectively be electrically connected with intelligence control system, be used for sensing water temperature and vapor (steam) temperature.The interface that removes gas inlet pipe, water inlet pipe, drainpipe, exhaust emission tube and steam pipe in the above all devices exposes shell to make things convenient for extension tube attached, and relief valve is exposed at the top of shell, and other all devices all are provided with in the enclosure.Control panel and display are set on described shell, and described control panel and display are electrically connected and are subjected to it to control with described intelligence control system.Described intelligence control system is to comprise circuit control system and the central processing unit system of control devices such as receiving circuit that the course of work of gas steam generator is controlled, computing circuit, holder, signal output apparatus.The user can control whole gas steam generator and Forced discharge fan start and stop by intelligence control system by operation control panel, and control blast switch, temperature sensing system, and all temperature, waterlevel data all show in display.

Compared with prior art, the beneficial effects of the utility model are: the mode that (1) adopts the chimney flue type heat exchanger run through up and down in the water tank to utilize the high heat of combustion product gases and water in the water tank to carry out efficient heat exchange adds hot water to boiling vaporization and produces steam, heat exchange efficiency is improved, producing steam speeds up, the increase of producing steam amount.(2) the chimney flue type heat exchanger adopts one or more groups helical disk to screw on to rise or S shape is spiraled the coil exchanger that rises when forming, can slow down the air velocity of combustion product gases, the heat that route produces burning thereby the increase flue gas is flowed through farthest is transmitted in the water of water tank, and heat exchanger effectiveness is further improved.(3) because level control box and water level controller are set, can control the interior water level of water tank and water tank is carried out excessive low water level protection, avoid the danger of water tank dry combustion method to increase safety in utilization.(4) because relief valve is set, when the pressure limit of pressure above relief valve, relief valve is opened discharged steam makes steam pressure unlikely too high, plays the overpressure protection effect.When (5) after the gas outlet of chimney flue type heat exchanger, Forced discharge fan being set, Forced discharge fan is forced waste gas all to arrange to outdoor, the working condition of blast switch monitoring Forced discharge fan also can be set, if Forced discharge fan quits work and then closes the gas steam generator whole system, to prevent that toxic emission from freely not causing poisoning, make waste discharge gas better effects if, use safer.(6) owing to outer wall radiations heat energy and the water vapour of preheating water pipe by the chimney flue type heat exchanger is set enters in the water tank again after preheating the cold water in the preheating water pipe and heat, increase the thermal efficiency in water tank thereby make full use of heat energy.(7) the fully-automatic intelligent control operation is simple.

The utility model needs production, management place of steam and hot water etc. applicable to industries such as food and drink (steam, stew, boil, stew, sterilization etc.), printing and dyeing, papermaking, Saunas, bathing, beauty treatment, hairdressing and warming, heat supply and other.

Description of drawings

Fig. 1 is the structural representation of gas steam generator among the utility model device embodiment one;

Fig. 2 is the structural representation of preheating water pipe 9 among the utility model device embodiment one;

The structural representation of the coil pipe 21 that Fig. 3 rises for the S shape of chimney flue type heat exchanger 20 among the utility model device embodiment one is spiraled;

Fig. 4 is the A-A view of Fig. 3 among the utility model device embodiment one;

Fig. 5 screws on the structural representation of the coil pipe 22 that rises for the helical disk of chimney flue type heat exchanger 20 among the utility model device embodiment two;

Fig. 6 is the structural representation of the U type pipe 23 of chimney flue type heat exchanger 20 among the utility model device embodiment three.

The specific embodiment

Below in conjunction with accompanying drawing, further specify the specific embodiment of the present utility model.

Embodiment one:

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of gas steam generator, comprise shell 1, gas inlet pipe 2, igniter 7, burner 4, the burner hearth 5 on burner 4 tops, exhaust emission tube 14, the water tank 8 of burner hearth 5 tops, the water inlet pipe 13 that is connected with water tank 8, the drainpipe 19 of water tank 8 bottoms, the steam pipe 15 at water tank 8 tops, the level control box 17 that water tank 8 lateral wall places are provided with also is communicated with water tank 8, intelligence control system 18, gas inlet pipe 2 is provided with magnetic valve 3, water inlet pipe 13, drainpipe 19, be provided with valve on the steam pipe 15, chimney flue type heat exchanger 20 is set in water tank 8, chimney flue type heat exchanger 20 is from bottom to top between the bottom and top in the water tank 8, the air inlet of chimney flue type heat exchanger 20 is connected with burner hearth 5, and the gas outlet of chimney flue type heat exchanger 20 is connected connection mutually with exhaust emission tube 14.Chimney flue type heat exchanger 20 is made up of three groups of S shapes coil pipe 21 that rises that spirals, and as shown in Figure 3, Figure 4, the spiral coil pipe 21 of rising of every group of S shape is made up of interior pipe 211, middle pipe 212, outer tube 213.After the gas outlet of chimney flue type heat exchanger 20 Forced discharge fan 10 is set, the air inlet pipe of Forced discharge fan 10 is connected connection mutually with the gas outlet of chimney flue type heat exchanger 20, and the blast pipe of Forced discharge fan 10 is connected connection mutually with exhaust emission tube 14; Forced discharge fan 10 is electrically connected with intelligence control system 18.Blast switch 11 is set communicates with the blast pipe of Forced discharge fan 10, blast switch 11 is electrically connected with intelligence control system 18.At water tank 8 tops preheating water pipe 9 is set, as shown in Figure 2, preheating water pipe 9 is and the coil pipe at water tank 8 tops, and the water inlet of preheating water pipe 9 is connected connection mutually with water inlet pipe 13, and its delivery port is connected with level control box 17.Water level controller 16 is set on level control box 17, and is electrically connected with intelligence control system 18.Water level controller 16 is the floater controlled valve device, cold water from water inlet pipe 13 to preheating water pipe 9 again in level control box 17 enters into water tank 8.At water tank 8 tops relief valve 12 is set.The flame-out inductive needle 6 of flame-out protection device is set on burner 4, and is electrically connected with intelligence control system 18.

On shell 1, be provided with control panel and display, and be electrically connected and be subjected to it to control with intelligence control system 18.Intelligence control system 18 is to comprise circuit control system and the central processing unit system of control devices such as receiving circuit that the course of work of gas steam generator is controlled, computing circuit, holder, signal output apparatus.The user can control whole gas steam generator and Forced discharge fan start and stop by intelligence control system by operation control panel, and control blast switch system, and all waterlevel datas all show in display.

When a startup gas steam generator, intelligence control system 18 at first starts Forced discharge fan 10 with the air emptying that reaches in the chimney flue type heat exchanger 20 in the burner hearth 5, valve on the water inlet pipe 13 is by intelligence control system or manually opened then, water enters level control box 17 after entering 9 preheatings of preheating water pipe by water inlet pipe 13, enter in the water tank 8 by level control box 17 again, start simultaneously magnetic valve 3 and igniter 7 on the gas inlet pipe 2 successively, igniter 7 is lighted burner 4, high-temperature flue gas in the burner hearth 5 enter its outer wall surface temperature is increased rapidly be used for and water tank 8 in water carry out heat exchange, cold water in the water tank 8 heats generation steam at short notice, steam pipe 15 output steam by water tank 8 tops or top, steam can directly be used for steamed wheaten foods thing or sterilization, or connects the heating that radiator is used for the room behind steam pipe.And through with water tank 8 in hydrothermal exchange after flue gas finally drain into atmosphere from exhaust emission tube 14 with lower temperature.If do not use gas steam generator the water in the water tank 8 to be drained by drainpipe 19 for a long time by the valve on intelligence control system 18 or the manually opened drainpipe 19.

Wherein, be that water level in the water tank 8 reaches when setting high water level when water level controller 16 senses in the level control box 17 water level, then close level control box 17 water inlets by water level controller 16; When water level controller 16 senses water level in the level control box 17 is that water level in the water tank 8 reaches when setting low water level, thereby the water inlet of then opening level control box 17 by water level controller 16 carries out the function that moisturizing reaches excessive low water level protection.

Steam pressure surpasses the pressure limit of relief valve 12 in water tank, and relief valve 12 is opened discharged steam to reach the purpose of pressure release.

In the gas steam generator course of work, Forced discharge fan 10 is in running order always to prevent that toxic emission from freely not causing poisoning.After source of the gas was closed, burner 4 quits work, it is clean that Forced discharge fan 10 keeps the toxic emission that duty a period of time will remain in chimney flue type heat exchanger 20 and the burner hearth 5, just closes Forced discharge fan 10 by intelligence control system 18.Blast in blast switch 11 is responded to the blast pipe that the blast that produces less than Forced discharge fan 10 runnings is a Forced discharge fan 10 is then closed whole gas steam generator to reach the safeguard protection effect by intelligence control system 18.

After the water vapour in the water tank 8 and the outer wall radiations heat energy of chimney flue type heat exchanger 20 can preheat the cold water in the preheating water pipe 9, enter heating in the water tank 8 again, increase the thermal efficiency thereby can make full use of heat energy.

When burner 4 accident extinguishings; after the fire that flame-out inductive needle 6 is sensed burner 4 extinguishes; automatically cut off by the air feed of the magnetic valve 3 on the control gas inlet pipe 2 gas inlet pipe 2; thereby avoid making the generation of personnel's poisoning, fire and explosion accident, reach the purpose of safeguard protection because of gas leakage.

Embodiment two:

As shown in Figure 5, the difference with embodiment one is: chimney flue type heat exchanger 20 screws on the coil pipe 22 that rises by three groups of helical disks to be formed, and every group of helical disk screws on the coil pipe 22 that rises and be made up of interior pipe 221, middle pipe 222, outer tube 223.

Embodiment three:

As shown in Figure 6, the difference with embodiment one is: chimney flue type heat exchanger 20 is made up of three groups of U type pipes 23, and every group of U type pipe 23 is made up of interior pipe 231, middle pipe 232, outer tube 233.

Claims (10)

1. gas steam generator comprises the burner hearth, exhaust emission tube, the water tank of burner hearth top, the water inlet pipe that is connected with water tank, the drainpipe of water tank bottom, the steam pipe and the intelligence control system of water tank upper on shell, gas inlet pipe, igniter and burner, burner top; Be provided with valve on gas inlet pipe, water inlet pipe, drainpipe and the steam pipe, be provided with the chimney flue type heat exchanger in the water tank, it is characterized in that: described chimney flue type heat exchanger is from bottom to top between the bottom and top in the water tank, the air inlet of described chimney flue type heat exchanger is connected with burner hearth, and its gas outlet is connected connection mutually with exhaust emission tube.
2. gas steam generator according to claim 1 is characterized in that: described chimney flue type heat exchanger is made up of one or more groups coil exchanger arranged side by side.
3. gas steam generator according to claim 1 and 2 is characterized in that: described chimney flue type heat exchanger is that helical disk screws on the pipeline that rises.
4. gas steam generator according to claim 1 and 2 is characterized in that: described chimney flue type heat exchanger is the pipeline that S shape is spiraled and risen.
5. gas steam generator according to claim 1 is characterized in that: in the water tank side level control box is set, the water inlet of described level control box is communicated with described water inlet pipe, and its delivery port is communicated with water tank; On described level control box water level controller is set, described water level controller is electrically connected with described intelligence control system.
6. gas steam generator according to claim 1 is characterized in that: relief valve is set, and described relief valve is located at tank top, or establishes arm communicate with steam pipe on described steam pipe, and described relief valve is located on the described arm.
7. gas steam generator according to claim 1 is characterized in that: between the gas outlet of described chimney flue type heat exchanger and described exhaust emission tube Forced discharge fan is set, described Forced discharge fan is electrically connected with described intelligence control system.
8. gas steam generator according to claim 7 is characterized in that: blast switch is set, and described blast switch communicates with the blast pipe or the described exhaust emission tube of described Forced discharge fan, and is electrically connected with described intelligence control system.
9. according to claim 1,2,5,6,7 or 8 described gas steam generators, it is characterized in that: the preheating water pipe is set in described water tank, the water inlet of described preheating water pipe is connected connection mutually with described water inlet pipe, and its delivery port is connected connection mutually with described level control box.
10. gas steam generator according to claim 9 is characterized in that: described preheating water pipe is one group of coil pipe, and is located at the top in the water tank.
CNU2007200534610U 2007-06-29 2007-06-29 Gas steam generator CN201066113Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200534610U CN201066113Y (en) 2007-06-29 2007-06-29 Gas steam generator

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Application Number Priority Date Filing Date Title
CNU2007200534610U CN201066113Y (en) 2007-06-29 2007-06-29 Gas steam generator

Publications (1)

Publication Number Publication Date
CN201066113Y true CN201066113Y (en) 2008-05-28

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Application Number Title Priority Date Filing Date
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679304A (en) * 2012-05-22 2012-09-19 鲍继勇 Gas steam generator
WO2013026225A1 (en) * 2011-08-22 2013-02-28 重庆三温暖电气有限公司 Condensed efficient gas water heater
CN103438422A (en) * 2013-08-01 2013-12-11 中山市多创电器设备有限公司 Small-sized multi-pass flue high-efficiency gas-fired steam generator
CN105805784A (en) * 2016-05-24 2016-07-27 江苏神工灶具有限公司 Automatic water supply type oil and gas double-purpose energy-saving stove
CN105841337A (en) * 2016-05-18 2016-08-10 徐平 Hot water and steam all-in-one machine
CN105841200A (en) * 2016-05-24 2016-08-10 江苏神工灶具有限公司 Oil-gas energy-saving stove
CN106705015A (en) * 2015-11-17 2017-05-24 上海亮茂不锈钢设备有限公司 Efficient steam generator facility
CN106895388A (en) * 2016-12-30 2017-06-27 芜湖顺景自动化设备有限公司 The intelligent light velocity steam machine equipment of energy-saving safe
CN107401833A (en) * 2017-07-25 2017-11-28 芜湖市通达锅炉有限公司 A kind of boiler of inner curve type comb
CN110006023A (en) * 2019-04-24 2019-07-12 上海亮茂不锈钢设备有限公司 A kind of steam generator

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013026225A1 (en) * 2011-08-22 2013-02-28 重庆三温暖电气有限公司 Condensed efficient gas water heater
CN102679304A (en) * 2012-05-22 2012-09-19 鲍继勇 Gas steam generator
CN103438422A (en) * 2013-08-01 2013-12-11 中山市多创电器设备有限公司 Small-sized multi-pass flue high-efficiency gas-fired steam generator
CN106705015A (en) * 2015-11-17 2017-05-24 上海亮茂不锈钢设备有限公司 Efficient steam generator facility
CN105841337A (en) * 2016-05-18 2016-08-10 徐平 Hot water and steam all-in-one machine
CN105805784A (en) * 2016-05-24 2016-07-27 江苏神工灶具有限公司 Automatic water supply type oil and gas double-purpose energy-saving stove
CN105841200A (en) * 2016-05-24 2016-08-10 江苏神工灶具有限公司 Oil-gas energy-saving stove
CN105805784B (en) * 2016-05-24 2017-10-20 江苏神工灶具有限公司 Automatic water-supply oil-gas two-way energy-saving stove
CN105841200B (en) * 2016-05-24 2019-06-04 江苏神工灶具有限公司 Oil-gas two-way energy-saving stove
CN106895388A (en) * 2016-12-30 2017-06-27 芜湖顺景自动化设备有限公司 The intelligent light velocity steam machine equipment of energy-saving safe
CN107401833A (en) * 2017-07-25 2017-11-28 芜湖市通达锅炉有限公司 A kind of boiler of inner curve type comb
CN110006023A (en) * 2019-04-24 2019-07-12 上海亮茂不锈钢设备有限公司 A kind of steam generator

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080528

Termination date: 20100629

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