CN106705009A - Small fuel gas low-pressure superheated steam generator - Google Patents

Small fuel gas low-pressure superheated steam generator Download PDF

Info

Publication number
CN106705009A
CN106705009A CN201611122607.2A CN201611122607A CN106705009A CN 106705009 A CN106705009 A CN 106705009A CN 201611122607 A CN201611122607 A CN 201611122607A CN 106705009 A CN106705009 A CN 106705009A
Authority
CN
China
Prior art keywords
superheated steam
flue
steam generator
pipe
pressure superheated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611122607.2A
Other languages
Chinese (zh)
Inventor
唐海荣
凌少东
张志祥
马孝清
王凤明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHANGJIAGANG WILFORD THERMAL TECHNOLOGY Co Ltd
Original Assignee
ZHANGJIAGANG WILFORD THERMAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHANGJIAGANG WILFORD THERMAL TECHNOLOGY Co Ltd filed Critical ZHANGJIAGANG WILFORD THERMAL TECHNOLOGY Co Ltd
Priority to CN201611122607.2A priority Critical patent/CN106705009A/en
Publication of CN106705009A publication Critical patent/CN106705009A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/22Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22GSUPERHEATING OF STEAM
    • F22G1/00Steam superheating characterised by heating method

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention relates to a small fuel gas low-pressure superheated steam generator. The small fuel gas low-pressure superheated steam generator comprises a hollow furnace shell with a heat insulation layer and a furnace pipe arranged in the furnace shell. A burner is arranged on the bottom of the furnace shell. An induced draft fan is arranged on the top of the furnace shell. A smoke pipe is arranged in the furnace pipe. The upper end and the lower end of the smoke pipe penetrate the furnace pipe. A steam superheater is arranged above the furnace pipe and communicates with the interior of the furnace pipe. A superheated steam outlet pipe is arranged at one end of the steam superheater. The small fuel gas low-pressure superheated steam generator is compact in structure, low in cost, capable of producing stable low-pressure superheated steam and saving energy and environmentally friendly and completely meets the market requirements, and the integrated small superheated steam generator is achieved.

Description

Small gas low-pressure superheated steam generator
【Technical field】
The present invention relates to the technical field of steam generator, and in particular to a kind of small gas low-pressure superheated steam occurs Device.
【Background technology】
Superheat steam drying (Superheated steam drying) be a latest developments get up dry new technology, Refer to a kind of drying mode for being connect using superheated steam a surname and moisture removal being removed with being contacted by dry material, with traditional heated-air drying phase Than several major advantages of superheat steam drying are as follows:Energy-saving effect is notable:The latent heat of steam can be made full use of, the thermal efficiency is high; Superior product quality after dry:Superheated steam heat transfer coefficient is big;Dried medium is steam, without External mass transfer resistance:The ratio of superheated steam Hot big, steam consumption is few:Without blast and fire hazard:Superheat steam drying is conducive to environmental protection:Superheated steam has sterilizing Disinfective action etc..
In recent years, Superheated Steam Drying Technology is before dry processing, food processing, metal processing sectors are widely used Scape.As the increasingly serious and people of energy crisis gradually step up to food quality requirement, superheat steam drying is in food work The application of industry will be developed, and can especially reduce drying temperature and ensure that the low-pressure superheated steam of product quality is done simultaneously It is dry, and the mutual supplement with each other's advantages between different drying modes.
The superheated steam device that currently there are, major part be by external device (ED) to carried out at overheat for steam Reason, disposable input cost is higher, and miniaturization difficulty is big, it is impossible to adapt to the processing such as vast small-sized drying processing, food processing The real needs of industry.
【The content of the invention】
To solve the above problems, it is an object of the invention to provide a kind of small gas low-pressure superheated steam generator, its Integral small-sized can be realized, the low-pressure superheated steam of stabilization, and energy-conserving and environment-protective can be produced, meet the market demand.
To achieve the above object, the technical scheme taken of the present invention is:Small gas low-pressure superheated steam generator, including One hollow furnace shell with thermal insulation layer and the flue being arranged in furnace shell, the bottom of furnace shell is provided with combustor, the top of furnace shell Portion is provided with air-introduced machine, and smoke pipe is provided with flue, and the top and bottom of smoke pipe are run through flue, are provided with above the flue Steam superheater, steam superheater is connected with inside flue, and one end of steam superheater is provided with superheated steam outlet pipe.
Small gas low-pressure superheated steam generator in the present invention is further arranged to:The steam superheater is by two Overheat header composition arranged in parallel, connection, one of mistake are realized between two overheat headers by many communicating pipes Hot header is connected with flue top, and the superheated steam outlet pipe is arranged in another overheat header.
Small gas low-pressure superheated steam generator in the present invention is further arranged to:The furnace shell is internally located at steam Condensing heat exchanger is additionally provided with above superheater, condensing heat exchanger is made up of many interconnected pipes of spread configuration, One end of condensing heat exchanger is water inlet, and the other end of condensing heat exchanger is connected with inside flue.
Small gas low-pressure superheated steam generator in the present invention is further arranged to:The smoke pipe includes transversely arranging The some groups of bend pipes combination for setting is arranged, every group of bend pipe combination is made up of two S type bend pipes, the every top and bottom of S type bend pipes Flue is stretched out, its lower end is gas approach, and upper end is exhanst gas outlet, and the bending direction of two S type bend pipes is identical, and curved Bent traversing section is parallel to each other and fits, and the bending direction of adjacent bend pipe combination is opposite.
Small gas low-pressure superheated steam generator in the present invention is further arranged to:The flue is horizontal type structure, Its two ends uses the arch bottom of indent.
Small gas low-pressure superheated steam generator in the present invention is further arranged to:The inwall of the furnace shell is provided with Ceramic fiber cotton thermal insulation layer.
Small gas low-pressure superheated steam generator in the present invention is further arranged to:It is also associated with steaming on the flue Vapour recovery tube.
Compared with prior art, the present invention has the advantages that:Above-mentioned small gas low-pressure superheated steam occurs Device, it is its compact conformation, with low cost, Integral small-sized superheated steam generator is realized, the low area overheat of stabilization can be produced Steam, and energy-conserving and environment-protective, fully meet the market demand.
【Brief description of the drawings】
Fig. 1 is internal structure schematic diagram of the invention.
Fig. 2 is the left view internal structure schematic diagram of Fig. 1;
Fig. 3 is the overlooking the structure diagram of steam superheater in Fig. 2;
In figure:1st, furnace shell, 2, flue, 3, combustor, 4, air-introduced machine, 5, smoke pipe, 6, steam superheater, 7, superheated steam goes out Pipe, 8, overheat header, 9, communicating pipe, 10, condensing heat exchanger, 11, ceramic fiber cotton thermal insulation layer, 12, steam recovery pipe.
【Specific embodiment】
Further is made to small gas low-pressure superheated steam generator of the present invention below by specific embodiment Describe in detail.
As shown in Figure 1 and Figure 2, small gas low-pressure superheated steam generator, including a hollow furnace shell with thermal insulation layer 1 is provided with combustor 3 with the flue 2 being arranged in furnace shell 1, the bottom of furnace shell 1, and the top of furnace shell 1 is provided with air-introduced machine 4, stove Smoke pipe 5 is provided with courage 2, flue 2 is run through in the top and bottom of smoke pipe 5, and the top of the flue 2 is provided with steam superheater 6, Steam superheater 6 is connected with inside flue 2, and one end of steam superheater 6 is provided with superheated steam outlet pipe 7.
Preferably, as shown in figure 3, the steam superheater 6 is by two 8 groups of overheat headers arranged in parallel Into by realizing connection many communicating pipes 9 between two overheat headers 8, one of overheat header 8 is connected with the top of flue 2 Logical, the superheated steam outlet pipe 7 is arranged in another overheat header 8.By the structure design of double overheat headers 8, increased Steam heating surface area, improves the quantum of output of superheated steam.
Preferably, the furnace shell 1 is internally located at the top of steam superheater 6 and is additionally provided with condensing heat exchanger 10, Condensing heat exchanger 10 is made up of many interconnected pipes of spread configuration, and one end of condensing heat exchanger 10 is water inlet, cold The other end of solidifying heat exchanger 10 is connected with inside flue 2.
Preferably, the flue 2 is horizontal type structure, and its two ends uses the arch bottom of indent.The smoke pipe 5 includes The some groups of bend pipes combination of horizontal arranged setting, every group of bend pipe combination is made up of two S type bend pipes, every S type bend pipe it is upper Flue 2 is stretched out in end and lower end, and its lower end is gas approach, and upper end is exhanst gas outlet, two bending direction phases of S type bend pipes Together, the traversing section and in bending is parallel to each other and fits, and the bending direction of adjacent bend pipe combination is opposite.Using horizontal knot Structure, multigroup double " S " the composite bend structures of preferred arrangement, effectively reduces internal ordinary water level volume while increasing heating surface area, Internal water capacity is reduced in the case where plant machinery intensity is improved using high intensity bow bottom (head), so as to improve the heat of product Efficiency, also greatly improves the security performance of steam generator.
Preferably, the inwall of the furnace shell 1 is provided with ceramic fiber cotton thermal insulation layer 11.By ceramic fiber cotton every Thermosphere 11 inside furnace shell 1 to carrying out insulation.
Preferably, it is also associated with steam recovery pipe 12 on the flue 2.User can be with actual condition, to being used for Dried residual steam accesses the steam recovery pipe 12 on the top of flue 2, and exchanged heat intensification again, recycling, reaches The purpose of energy-conservation.
Operation principle of the invention is:After being worked positioned at the air-introduced machine 4 at top, the bottom that combustor 3 is located at flue 2 is fired Burn.Flue gas carries out heat exchange and produces saturated vapor from double " S " bend pipe combinations in the inside of flue 2 with the inner furnace water of flue 2.Flue gas is again The upper outlet combined by double " S " bend pipes enters high-temperature flue gas room, has double cluster case type steam mistakes in high-temperature flue gas indoor set Hot device 6, two overheat headers 8 of double cluster case type steam superheaters 6 are located at the top of double " S " bend pipe combination outlets respectively.High temperature The flue gas of smoke chamber is exchanged with the saturated vapor heat absorption that carries out again of the steam superheater 6 of double overheat headers 8, is collected by two overheats Saturated vapor, is first changed into dry saturated steam by case 8 and the stage-by-stage heat exchange of communicating pipe 9, then endothermic transition is superheated steam.
Condensing heat exchanger 10 is provided with positioned at high-temperature flue gas room top, the moisturizing of steam generator first passes through condensing heat exchanger 10 Fill into inside generator again, moisturizing carries out heat exchange so as to reduce smoke evacuation temperature from normal-temperature water by condensing heat exchanger 10 and flue gas Degree, and can fully reclaim the latent heat of condensation of the sensible heat and water vapour in flue gas exhaust gas temperature control to 60-70 DEG C or so. Flue gas after cooling is discharged by top air-introduced machine 4.
The principle and its effect of the above embodiments only illustrative the invention, and the implementation that part uses Example, not for the limitation present invention;It should be pointed out that for the person of ordinary skill of the art, not departing from wound of the present invention On the premise of making design, various modifications and improvements can be made, these belong to protection scope of the present invention.

Claims (7)

1. small gas low-pressure superheated steam generator, including a hollow furnace shell with thermal insulation layer and be arranged in furnace shell Flue, the bottom of furnace shell is provided with combustor, and air-introduced machine is provided with the top of furnace shell, is provided with smoke pipe in flue, smoke pipe it is upper Flue is run through in end and lower end, it is characterised in that:Steam superheater is provided with above the flue, in steam superheater and flue Portion is connected, and one end of steam superheater is provided with superheated steam outlet pipe.
2. small gas low-pressure superheated steam generator as claimed in claim 1, it is characterised in that:The steam superheater by Two overheat header compositions arranged in parallel, realize connection, wherein one between two overheat headers by many communicating pipes Individual overheat header is connected with flue top, and the superheated steam outlet pipe is arranged in another overheat header.
3. small gas low-pressure superheated steam generator as claimed in claim 1 or 2, it is characterised in that:Inside the furnace shell Condensing heat exchanger is additionally provided with above steam superheater, condensing heat exchanger there are many interconnected pipes of spread configuration Son composition, one end of condensing heat exchanger is water inlet, and the other end of condensing heat exchanger is connected with inside flue.
4. small gas low-pressure superheated steam generator as claimed in claim 1 or 2, it is characterised in that:The smoke pipe includes The some groups of bend pipes combination of horizontal arranged setting, every group of bend pipe combination is made up of two S type bend pipes, every S type bend pipe it is upper Flue is stretched out in end and lower end, and its lower end is gas approach, and upper end is exhanst gas outlet, and the bending direction of two S type bend pipes is identical, And it is parallel to each other and fits in the traversing section of bending, the bending direction of adjacent bend pipe combination is opposite.
5. small gas low-pressure superheated steam generator as claimed in claim 1 or 2, it is characterised in that:The flue is sleeping Formula structure, its two ends use the arch bottom of indent.
6. small gas low-pressure superheated steam generator as claimed in claim 1 or 2, it is characterised in that:The furnace shell it is interior Wall is provided with ceramic fiber cotton thermal insulation layer.
7. small gas low-pressure superheated steam generator as claimed in claim 1 or 2, it is characterised in that:On the flue also It is connected with steam recovery pipe.
CN201611122607.2A 2016-12-08 2016-12-08 Small fuel gas low-pressure superheated steam generator Pending CN106705009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611122607.2A CN106705009A (en) 2016-12-08 2016-12-08 Small fuel gas low-pressure superheated steam generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611122607.2A CN106705009A (en) 2016-12-08 2016-12-08 Small fuel gas low-pressure superheated steam generator

Publications (1)

Publication Number Publication Date
CN106705009A true CN106705009A (en) 2017-05-24

Family

ID=58936414

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611122607.2A Pending CN106705009A (en) 2016-12-08 2016-12-08 Small fuel gas low-pressure superheated steam generator

Country Status (1)

Country Link
CN (1) CN106705009A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112050187A (en) * 2020-08-28 2020-12-08 中船九江锅炉有限公司 Superheated steam boiler

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB313681A (en) * 1928-04-02 1929-06-20 Adolf Bartsch Process and apparatus for the generation of steam
CN2463683Y (en) * 2000-11-23 2001-12-05 王树东 Vertical atmospheric overheated steam boiler
CN102607004A (en) * 2012-03-21 2012-07-25 江苏太湖锅炉股份有限公司 Hydrogen boiler structure
CN202747319U (en) * 2012-07-23 2013-02-20 江苏双良锅炉有限公司 Oil burning or gas burning condensing type steam boiler arranged in front smokebox of superheater
CN104879734A (en) * 2015-05-26 2015-09-02 韩来平 Energy-saving long-acting steam generating device
CN206247293U (en) * 2016-12-08 2017-06-13 张家港威孚热能股份有限公司 Small gas low-pressure superheated steam generator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB313681A (en) * 1928-04-02 1929-06-20 Adolf Bartsch Process and apparatus for the generation of steam
CN2463683Y (en) * 2000-11-23 2001-12-05 王树东 Vertical atmospheric overheated steam boiler
CN102607004A (en) * 2012-03-21 2012-07-25 江苏太湖锅炉股份有限公司 Hydrogen boiler structure
CN202747319U (en) * 2012-07-23 2013-02-20 江苏双良锅炉有限公司 Oil burning or gas burning condensing type steam boiler arranged in front smokebox of superheater
CN104879734A (en) * 2015-05-26 2015-09-02 韩来平 Energy-saving long-acting steam generating device
CN206247293U (en) * 2016-12-08 2017-06-13 张家港威孚热能股份有限公司 Small gas low-pressure superheated steam generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112050187A (en) * 2020-08-28 2020-12-08 中船九江锅炉有限公司 Superheated steam boiler

Similar Documents

Publication Publication Date Title
US11066960B2 (en) Double-reheat power generator with an ultra high pressure cylinder and a high-intermediate pressure cylinder each having additional heat recovery turbine stages
CN105275515B (en) Coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and coupled power generation method thereof
CN106766961B (en) A kind of double-work medium afterheat generating system based on closed circuit sinter cooler
CN106870037A (en) A kind of supercritical carbon dioxide Brayton Cycle system
CN103344124A (en) Lime kiln waste gas waste heat electricity generating system with by-product coal gas afterburning function
CN207944993U (en) A kind of integrated supercritical CO2The coal-fired double reheat Turbo-generator Set of cycle
CN107091128A (en) Supercritical water and supercritical CO2Joint Two-way Cycle fire coal thermal power generation system
CN110206605A (en) A kind of dry coke quenching heat generating system again
CN109764326A (en) A kind of the lignite base electricity water co-feeding system and working method of integrated absorption heat pump
CN206247293U (en) Small gas low-pressure superheated steam generator
CN203443377U (en) Improved lime kiln waste gas residual heat power generation system
CN200972318Y (en) Atmospheric high temp steam and hot-air integral furnace
CN207514899U (en) A kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel
CN106705009A (en) Small fuel gas low-pressure superheated steam generator
CN206440032U (en) A kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump
CN207230507U (en) A kind of tubular type modular steam generator
CN203443378U (en) Improved lime kiln waste gas residual heat power generation system with byproduct gas afterburning
CN102278205A (en) Combined cycle method capable of being used for distributed air and fuel humidified gas turbine
CN207262397U (en) A kind of dry coke quenching is double to press steam heat generating system again
CN206555991U (en) Full condensation augmentation of heat transfer gas fired-boiler
CN206310790U (en) A kind of magnetic suspension and suction-type lithium bromide bimodulus operation heating combined equipment
CN201229117Y (en) Waste-heat recovery device for roller kiln
CN105888739B (en) A kind of novel high back pressure co-generation unit
CN209310262U (en) A kind of heating heat recovery boiler
CN206637697U (en) A kind of lignite base co-generation unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170524