CN105115157B - It is the industry of heat carrier to thermal using fused salt - Google Patents
It is the industry of heat carrier to thermal using fused salt Download PDFInfo
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- CN105115157B CN105115157B CN201510562134.7A CN201510562134A CN105115157B CN 105115157 B CN105115157 B CN 105115157B CN 201510562134 A CN201510562134 A CN 201510562134A CN 105115157 B CN105115157 B CN 105115157B
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Abstract
It is the industry of heat carrier to thermal using fused salt, including molten salt furnace and fused salt storage tank, fused salt storage tank is placed in underground, the fused salt inlet tube of molten salt furnace is connected with two pump for liquid salts in parallel being arranged inside fused salt storage tank, the fused salt outlet of molten salt furnace is connected with heating equipment, the fused salt outlet of heating equipment is communicated with fused salt storage tank, an electric heater built in fused salt storage tank, electric heater inlet and outlet are connected with thermal medium inlet pipe and thermal medium outlet pipe respectively, the shell of molten salt furnace is vertical and cylindrical, the heating surface of molten salt furnace is made of inside and outside two layers of spiral coil, burner is placed in lower portion of furnace body.Apparatus of the present invention flameholding can obtain higher operating temperature under lower operating pressure, it can be used as 500 DEG C of high temperature heat sources below, heat supply temperature is stablized, it can accurately be adjusted, thermal efficiency height, energy-saving effect is significantly, operation controls and safety detection device is complete.
Description
Technical field
The present invention relates to hot equipment technical field, and in particular to a kind of using fused salt is the industry of heat carrier to thermal.
Background technology
Currently on the market mostly use coal-fired, combustion gas or fuel mode heating, drying greatly to hot equipment, pass through water or oil etc.
Medium carries out heating air exchange, and heat exchanger effectiveness is very low, high temperature of the industry offer more than 300 DEG C is difficult to, in order to solve
, there is a kind of molten salt furnace in the market in this problem, and fused salt is by potassium nitrate（KNO3）, sodium nitrite（NaNO2）And sodium nitrate
（NaNO3）Mixture, the fused salt of powdery is heated to 142 DEG C of fusing point or more, makes it under melt-flow state by heat carrier furnace
It recycles.Maximum operating temperature is up to 600 DEG C of high temperature.But current molten salt furnace combustion instability, cannot be lower
Higher operating temperature is obtained under operating pressure, heat supply temperature cannot be accurately adjusted, energy-saving effect is unsatisfactory.
Invention content
It is the industry of heat carrier to thermal that the present invention provides a kind of using fused salt, to solve burning of the existing technology
Unstable, heat supply temperature cannot accurately adjust and the problem of energy-saving effect difference.
The technical solution adopted by the present invention to solve the technical problems is：
It is a kind of to be placed in ground to thermal, including molten salt furnace and fused salt storage tank, fused salt storage tank using fused salt as the industry of heat carrier
Under, the fused salt inlet tube of molten salt furnace is connected with two pump for liquid salts in parallel being arranged inside fused salt storage tank, the fused salt of molten salt furnace
Outlet is connected with heating equipment, and the fused salt outlet of heating equipment is communicated with fused salt storage tank, an electrical heating built in fused salt storage tank
Device, electric heater inlet and outlet are connected with thermal medium inlet pipe and thermal medium outlet pipe respectively, and the shell of molten salt furnace is vertical cylinder
The heating surface of shape, molten salt furnace is made of inside and outside two layers of spiral coil, and burner is placed in lower portion of furnace body.
Smoke outlet tube is arranged in the upper part of the housing of above-mentioned molten salt furnace, and fire box temperature interface is arranged in the case top of molten salt furnace,
Lower part of the housing setting cleaning door, peep hole and the manhole of molten salt furnace, cleaning door one mucking machine of connection.
The operation principle of apparatus of the present invention is：The deep salt of powdery is put into fused salt storage tank by molten salt furnace, passes through what is installed in slot
High pressure steam heating pipe or electric heating tube carry out heating and melting, and the viscosity for the fused salt being directly heated in grain can be beaten with circulating pump to be followed
Ring is pumped into molten salt furnace by fused salt and further recycles heating, reaching can after so that whole system is become the recyclable state of flowing
With the high-temperature flue gas that uses from bottom to top with after internal layer coil pipe radiation heat transfer, then from top to bottom enter from internal layer coil pipe top
The the first heat convection area constituted between inside and outside two layers of spiral coil, enters coil pipe after heat convection from outer layer coil pipe lower part
The the second heat convection area constituted between shell after heat convection, is discharged by upper part of the housing smoke outlet.Fused salt is by lower header
Pipe enters furnace body, after absorbing heat in stove, is discharged from upper collecting chamber pipe, molten salt circulating pump provides dynamic for the closed circuit forced circulation of medium
Power, coil pipe group are supported on boiler tube pedestal, and boiler tube pedestal lower part is provided with manhole, and it is combustion to facilitate furnace body maintenance of clean-up, burner opening
Thus the access port of burning, flame spray into burner hearth, peep hole is conducive to observe burner flame combustion state at any time.
Apparatus of the present invention flameholding can obtain higher operating temperature under lower operating pressure, can be used as 500 DEG C
High temperature heat source below, heat supply temperature are stablized, can accurately be adjusted, the thermal efficiency it is high, energy-saving effect significantly, operation control and
Safety detection device is complete.Extensively using paper lunch-box high-temperature shaping, dynamic vulcanization tire and reclaimed rubber machinery, compression molding, rubber
The industries such as glue, drying, feed drying, printing and dyeing, chemical industry, plywood production, waterproofing membrane production, pitch heating, vermicelli drying.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the operation principle schematic diagram of apparatus of the present invention；
Fig. 2 is the structural schematic diagram of apparatus of the present invention molten salt furnace.
1 molten salt furnace, 2 fused salt storage tanks, 3 heating equipments, 4 mucking machines, 5 pump for liquid salts, 6 electric heaters, 7 thermal medium inlets in figure
Pipe, 8 thermal medium outlet pipes, 11 shells, 12 fused salt inlet tubes, 13 burners, 14 smoke outlet tubes, 15 fused salt outlets, 16 stoves
Bore temperature interface, 17 cleaning doors, 18 peep holes, 19 manholes, 20 spiral coils.
Specific implementation mode
As depicted in figs. 1 and 2, a kind of using fused salt is the industry of heat carrier to thermal, including molten salt furnace 1 and fused salt storage tank
2, fused salt storage tank 2 is placed in underground, molten in parallel be arranged inside fused salt storage tank 2 two of the fused salt inlet tube 12 of molten salt furnace 1
Salt pump 5 is connected, and the fused salt outlet 15 of molten salt furnace 1 is connected with heating equipment 3, fused salt outlet and the fused salt storage tank 2 of heating equipment 3
Communicate, 2 built-in electric heater 6 of fused salt storage tank, electric heater 6 inlet and outlet respectively with thermal medium inlet pipe 7 and thermal medium outlet pipe 8
It is connected, the shell 11 of molten salt furnace 1 is vertical and cylindrical, and the heating surface of molten salt furnace 1 is made of inside and outside two layers of spiral coil 20, is burnt
Device 13 is placed in lower portion of furnace body.Smoke outlet tube 14, the 11 top setting of shell of molten salt furnace 1 is arranged in 11 top of shell of molten salt furnace 1
Fire box temperature interface 16,11 lower part of shell setting cleaning door 17, peep hole 18 and the manhole 19 of molten salt furnace 1, the connection of cleaning door 17
Mucking machine 4.
The operation principle of apparatus of the present invention is：The deep salt of powdery is put into fused salt storage tank by molten salt furnace, passes through what is installed in slot
High pressure steam heating pipe or electric heating tube carry out heating and melting, and the viscosity for the fused salt being directly heated in grain can be beaten with circulating pump to be followed
Ring is pumped into molten salt furnace by fused salt and further recycles heating, reaching can after so that whole system is become the recyclable state of flowing
With the high-temperature flue gas that uses from bottom to top with after internal layer coil pipe radiation heat transfer, then from top to bottom enter from internal layer coil pipe top
The the first heat convection area constituted between inside and outside two layers of spiral coil, enters coil pipe after heat convection from outer layer coil pipe lower part
The the second heat convection area constituted between shell after heat convection, is discharged by upper part of the housing smoke outlet.Fused salt is by lower header
Pipe enters furnace body, after absorbing heat in stove, is discharged from upper collecting chamber pipe, molten salt circulating pump provides dynamic for the closed circuit forced circulation of medium
Power, coil pipe group are supported on boiler tube pedestal, and boiler tube pedestal lower part is provided with manhole, and it is combustion to facilitate furnace body maintenance of clean-up, burner opening
Thus the access port of burning, flame spray into burner hearth, peep hole is conducive to observe burner flame combustion state at any time.
Claims (1)
1. using fused salt it is the industry of heat carrier to thermal a kind of, it is characterized in that including molten salt furnace and fused salt storage tank, fused salt storage tank
It is placed in underground, the fused salt inlet tube of molten salt furnace is connected with two pump for liquid salts in parallel being arranged inside fused salt storage tank, molten salt furnace
Fused salt outlet be connected with heating equipment, the outlet of the fused salt of heating equipment is communicated with fused salt storage tank, one built in fused salt storage tank
High pressure steam heating pipe or electric heating tube, high pressure steam heating pipe or electric heating tube inlet and outlet respectively with thermal medium inlet pipe and heat
Media outlet pipe is connected, and the shell of molten salt furnace is vertical and cylindrical, and the heating surface of molten salt furnace is made of inside and outside two layers of spiral coil,
Burner is placed in lower portion of furnace body；Smoke outlet tube is arranged in the upper part of the housing of molten salt furnace, and burner hearth temperature is arranged in the case top of molten salt furnace
Spend interface, lower part of the housing setting cleaning door, peep hole and the manhole of molten salt furnace, cleaning door one mucking machine of connection；It should be to hot charging
When setting work, the deep salt of powdery is put into fused salt storage tank by molten salt furnace, passes through the high pressure steam heating pipe installed in slot or electrical heating
Pipe carries out heating and melting, and the viscosity for the fused salt being directly heated in grain can beat cycle with circulating pump, and whole system is made to become flowing
After recyclable state, molten salt furnace is pumped by fused salt and further recycles heating, reach the high-temperature flue gas that can use by
Down and after upper and internal layer coil pipe radiation heat transfer, then from internal layer coil pipe top from top to bottom into institute between inside and outside two layers of spiral coil
The the first heat convection area constituted, enters second constituted between coil pipe and shell after heat convection from outer layer coil pipe lower part
Heat convection area after heat convection, is discharged by upper part of the housing smoke outlet；Fused salt enters furnace body by lower box collecting pipe, is absorbed in stove
It after heat, is discharged from upper collecting chamber pipe, molten salt circulating pump provides power for the closed circuit forced circulation of medium, and coil pipe group is supported on boiler tube bottom
On seat, boiler tube pedestal lower part is provided with manhole, and it is the access port of burning to facilitate furnace body maintenance of clean-up, burner opening, thus flame sprays
Enter burner hearth, peep hole is conducive to observe burner flame combustion state at any time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562134.7A CN105115157B (en) | 2015-09-07 | 2015-09-07 | It is the industry of heat carrier to thermal using fused salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562134.7A CN105115157B (en) | 2015-09-07 | 2015-09-07 | It is the industry of heat carrier to thermal using fused salt |
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| Publication Number | Publication Date |
|---|---|
| CN105115157A CN105115157A (en) | 2015-12-02 |
| CN105115157B true CN105115157B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510562134.7A Active CN105115157B (en) | 2015-09-07 | 2015-09-07 | It is the industry of heat carrier to thermal using fused salt |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469181A (en) * | 2018-05-26 | 2018-08-31 | 大庆华凯石油化工设计工程有限公司 | A kind of multilayer furnace wall efficient energy-saving heating stove |
| CN114562877B (en) * | 2022-01-30 | 2022-12-02 | 浙江大学 | High-temperature molten salt furnace with two-stage burners |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721644Y (en) * | 2004-09-01 | 2005-08-31 | 张平月 | Positive pressure parallel flow type double oxidation layer gas producer |
| CN202747611U (en) * | 2012-08-17 | 2013-02-20 | 常州综研加热炉有限公司 | Upright bottom burning gas heat transfer fluid furnace |
| CN203148030U (en) * | 2013-03-29 | 2013-08-21 | 常州能源设备总厂有限公司 | Square box type molten salt heating furnace |
| CN203286759U (en) * | 2013-05-30 | 2013-11-13 | 常州能源设备总厂有限公司 | Fuel or gas molten salt cycle heat supply system |
| CN203518238U (en) * | 2013-09-25 | 2014-04-02 | 常州能源设备总厂有限公司 | Vehicle-mounted horizontal fuel oil and fuel gas molten salt furnace |
| CN204923454U (en) * | 2015-09-07 | 2015-12-30 | 河北艺能锅炉有限责任公司 | Use fused salt to give heat facility as industry of heat carrier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0257864A (en) * | 1988-08-24 | 1990-02-27 | Kawasaki Heavy Ind Ltd | Method and apparatus for filling of heat storage material in latent heat storage apparatus |
-
2015
- 2015-09-07 CN CN201510562134.7A patent/CN105115157B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721644Y (en) * | 2004-09-01 | 2005-08-31 | 张平月 | Positive pressure parallel flow type double oxidation layer gas producer |
| CN202747611U (en) * | 2012-08-17 | 2013-02-20 | 常州综研加热炉有限公司 | Upright bottom burning gas heat transfer fluid furnace |
| CN203148030U (en) * | 2013-03-29 | 2013-08-21 | 常州能源设备总厂有限公司 | Square box type molten salt heating furnace |
| CN203286759U (en) * | 2013-05-30 | 2013-11-13 | 常州能源设备总厂有限公司 | Fuel or gas molten salt cycle heat supply system |
| CN203518238U (en) * | 2013-09-25 | 2014-04-02 | 常州能源设备总厂有限公司 | Vehicle-mounted horizontal fuel oil and fuel gas molten salt furnace |
| CN204923454U (en) * | 2015-09-07 | 2015-12-30 | 河北艺能锅炉有限责任公司 | Use fused salt to give heat facility as industry of heat carrier |
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| CN105115157A (en) | 2015-12-02 |
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