CN109237082A - A kind of high-temperature gas electromagnetic reversing arrangement - Google Patents
A kind of high-temperature gas electromagnetic reversing arrangement Download PDFInfo
- Publication number
- CN109237082A CN109237082A CN201811053917.2A CN201811053917A CN109237082A CN 109237082 A CN109237082 A CN 109237082A CN 201811053917 A CN201811053917 A CN 201811053917A CN 109237082 A CN109237082 A CN 109237082A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- reversing arrangement
- gas
- electromagnetic reversing
- filled chamber
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/1011—Soluble closing devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present invention relates to a kind of electromagnetic reversing arrangement of high-temperature gas, including electromagnet, ingot iron, low-melting-point metal liquid, filled chamber, pipeline and its auxiliary device can be used for metallurgy, glass kiln, the fields high-temperature flue gas flow control such as power plant and gas circuit switching.The high-temperature electromagnetic reversing arrangement shape is the W-shaped triplet commutation structure being arranged symmetrically.It is each provided with pipeline under outlet at left and right sides of gas pipeline, filled chamber, pipeline on gas.Electromagnet is circular layout on the outside of gas path pipe, can oscilaltion；Ingot iron is circular layout on the inside of gas path pipe.Low-melting-point metal is filled in the filled chamber of reversing arrangement two sides.The present invention arranges liquid volume using electromagnetic gear change, to change the commutation that liquid level completes high temperature flue gas pipeline, it is low to can solve current reversal valve heat resisting temperature, the world-technology problem of commutation control hardly possible, have many advantages, such as that high (up to the 1100 DEG C) sealing reliability of heat resisting temperature is strong, long service life.
Description
Technical field
The present invention relates to a kind of high-temperature gas electromagnetic reversing arrangements, can be used for metallurgy, glass kiln, the fields high temperature such as power plant
Flue gas flow control.
Background technique
In process of industrialization, every profession and trade is also higher and higher to the dependence of the energy and resource, in face of increasingly depleted resource
Problem, the environmental problem increasingly sharpened, China face the double challenge of environment and resource, and the development of energy-conserving and emission-cutting technology also becomes
The emphasis of current technology development.In the R&D process of power-saving technology, the waste heat recycling of high-temperature flue gas is the emphasis of research.Each
Each industry high-temperature flue gas of row is rich in a large amount of waste heat recovery value, is widely present and is distributed in metallurgy, glass kiln, the neck such as power plant
Domain.The afterheat manner of flue gas is mainly to be carried out by heat exchanger at present.Fume afterheat is exchanged heat by air-water or gas-gas
Device is preheated or is produced high-temperature vapor to air or combustion gas.In addition, having again in flue gas waste heat recovery method and being with ammonia
Refrigerant carries out ammonium hydroxide as absorbent using water and absorbs refrigeration.They can Mist heat recovering to a certain extent.Heat accumulating type changes
Hot device is one kind of heat exchanger, is able to use the material of various shape and type.It can use the thermal energy in burning and gas-exhausting, be used for
Unreacted fuel gas is preheated, thus the thermal efficiency, the higher combustion reaction temperature of realization that reach burning low-grade fuel, improve combustion process
The purpose of improving waste heat recovery efficiency.There is scholar to propose to recycle high temperature (> 800 DEG C) coal gas waste heat using heat regenerator, from
And achieve the purpose that waste heat high efficiente callback.Heat storage exchanging apptss need to carry out gas circuit commutation every some cycles.Reversal valve is
Important composition component in heat regenerator, the quality of reversal valve will directly affect coal gas of high temperature waste heat heat accumulating type recovery method
It can steadily be safely operated.CN 1673593 provides a kind of high temperature and pressure fast three-way reversing arrangement, and heat resisting temperature is up to 600
DEG C, heat resisting temperature is difficult to further increase.In the prior art, commutate valve body and sealing ring heat resisting temperature be difficult to reach 400 DEG C with
On, this limits the development of such technology to a certain extent, hinders the process of energy-conserving and emission-cutting technology.
Summary of the invention
The problem of for existing technologies, the present invention provide a kind of high-temperature gas electromagnetic reversing arrangement, utilize connection
Device principle forms hydraulic seal by low-melting alloy, arranges liquid volume using electromagnetic gear change to change liquid
Face height completes the commutation of high temperature flue gas pipeline, and for heat resisting temperature up to 1100 DEG C, it is low to can solve current reversal valve heat resisting temperature,
The technical problem of commutation control hardly possible.
Technical solution:
A kind of high-temperature gas electromagnetic reversing arrangement, which is characterized in that including triplet commutation pipeline, filling device and filling gold
Belong to, wherein two outlet pipes of triplet commutation pipeline are provided with filling device and filling metal, wherein filling device can
Filler when filling metal melt, to be inserted to the molten metal of one end outlet pipe, increase pipeline inner volume shared by molten metal,
Guarantee seals the outlet pipe at the end, realizes that gas commutates to the other end.
The triplet commutation pipeline is arranged symmetrically to be W-shaped, intermediate air inlet, and both ends are commutation outlet pipe and go out upwards
Gas, both ends outlet pipe part is each U-shaped, and the bottom level space of U-shaped pipe forms filled chamber.
The filling device includes electromagnet and ingot iron, and electromagnet is ring-type, is placed on the outside of pipeline, ingot iron is placed in pipeline
Inside can be moved up and down in pipeline by magnet control ingot iron.
The filling metal, is set in the filled chamber of outlet pipe,
The filling melting point metal range is 130 DEG C to 660 DEG C.
The bottom end of the triplet commutation pipeline is provided with eduction valve, for replacing filling metal.
The triplet commutation insides of pipes is refractory material, can be corundum, mullite or cordierite, and outside is steel knot
Structure.
Detailed description of the invention
Fig. 1, Fig. 2 are high-temperature electromagnetic reversing arrangement theory structure schematic diagram of the present invention.
Fig. 1, Fig. 2 are two working conditions of the same high-temperature electromagnetic reversing arrangement.Fig. 1 is the closing of left outlet pipe, right
Outlet pipe is opened；Fig. 2 is the closing of right outlet pipe, and left outlet pipe is opened.In figure: 1-admission line；2-outlet down tubes
Road (right side)；3-filled chambers (right side)；Pipeline (right side) on 4-outlets；5-electromagnet (right side)；6-ingot irons (right side)；7-low melting points gold
Belong to liquid；Pipeline (left side) under 8-outlets；9-filled chambers (left side)；Pipeline (left side) on 10-outlets；11-electromagnet (left side)；12-iron
Ingot (left side)；13-eduction valves.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is further described:
The high-temperature electromagnetic reversing arrangement of the present embodiment, including triplet commutation pipeline, filling device are electromagnet and ingot iron group
It closes, filling metal is low-melting-point metal liquid, filled chamber, pipeline and its auxiliary device.Triplet commutation pipeline shape is W-shaped symmetrical cloth
It sets.Pipeline includes air inlet pipe, and the left and right sides is each provided on pipeline under outlet (left side), filled chamber (left side), pipeline (left side) on gas.Electricity
Magnet (left side) and ingot iron (left side), pipeline (right side) under outlet, filled chamber (right side), pipeline (right side), electromagnet (right side) and ingot iron on gas
(right side).Electromagnet is circular layout on the outside of gas path pipe, can oscilaltion；Ingot iron is circular layout on the inside of gas path pipe.Eutectic
Point metal is filled in the filled chamber of reversing arrangement two sides.
The high-temperature electromagnetic reversing arrangement one complete course of work mainly comprises the steps that
(1) it preheats.Before work, high-temperature electromagnetic reversing arrangement is preheated.By high-temperature electromagnetic reversing arrangement temperature
It is heated in filled chamber more than melting point metal temperature, it is liquid that low-melting-point metal, which is melted in filled chamber by solid-state,.
(2) left gas circuit is closed, and right gas circuit is opened.Electromagnet (left side) is moved to outlet upper tube bottom outside, and ingot iron (left side) moves
It moves to the filled chamber (left side) of tracheae bottom inside on outlet, the interior low melting point liquid metal hydrorrhea of filled chamber (left side) goes out filled chamber
(left side) and pipeline (left side) on pipeline under outlet (left side) and outlet is flowed into, electromagnet (left side) interior loop power-off, left side gas circuit is closed；Electricity
Magnet (right side) is moved to outlet upper tube (right side) upper outside, and ingot iron (right side) is moved to tracheae on outlet (right side) upper inner, filling
The interior low melting point liquid metal liquid level in room (right side) is persistently powered in filled chamber (right side) bottom, electromagnet (right side) coil, electromagnetic switch dress
The right side gas circuit set is opened.Gas passes sequentially through pipeline on pipeline (right side) under admission line-outlet-filled chamber (right side)-outlet
(right side).
(3) right gas circuit is closed, and left gas circuit is opened.After regenerative chamber certain commutation cycle, electromagnet (right side) coil is moved
It moves to pipeline on outlet (right side) bottom outside, ingot iron is moved in the filled chamber of feed channel on outlet (right side) bottom inside, filling
The interior low melting point liquid metal hydrorrhea in room (right side) goes out filled chamber (right side) and flows into pipeline (right side) on pipeline under outlet (right side) and outlet, electricity
Magnet (right side) coil blackout, right side gas circuit are closed；Electromagnet (left side) coil is moved to outlet upper tube (left side) upper outside, and ingot iron moves
It moves to tracheae on outlet (left side) upper inner, the interior low melting point liquid metal liquid level of filled chamber (left side) is in filled chamber (left side) bottom, electricity
Magnet (left side) coil persistently energization electromagnetic reversing arrangement left side gas circuit open.Gas passes sequentially through admission line-outlet down tube
Pipeline (left side) on road (left side)-filled chamber (left side)-outlet.
(4) repetitive cycling.After regenerative chamber certain commutation cycle, step (2), (3) are repeated.
Low-melting-point metal is Cu, Al, Sn, Pb, Zn, Bi, one or two kinds of or various metals group in the step (1)
At alloy；
Common low-melting alloy type and melting temperature are as shown in table 1 below.
1 low-melting alloy performance indicator of table
Heating temperature is 100 DEG C~1100 DEG C in the step (1).
Electromagnet coil ring-wound is on the outside of pipeline on outlet in the step (2) (3), and electromagnet coil is with up and down
Mobile mechanism, it is achievable to move up and down operation.
Low-melting alloy molten metal volume accounts for the 20%~80% of filling building volume, ingot iron volume in the step (2) (3)
Account for the 40%~60% of filling building volume.When low-melting-point metal liquid is long-pending to be used cooperatively with ingot iron, the sum of the two volume is greater than
Fill building volume.
Ingot iron is circular ring shape in the step (2) (3), is attracted by electromagnet and is attached to insides of pipes on outlet.
Insides of pipes is refractory material, such as corundum, mullite, cordierite etc. in the step (1) (2) (3)；Outside is steel
Structure.
A kind of high-temperature gas electromagnetic reversing arrangement is as shown in Fig.1 and Fig.2.The device is mainly by admission line 1, outlet
Lower pipeline 2,8, filled chamber 3,9, pipeline 4,10 on outlet, electromagnet 5,11, iron nail 6,12, low-melting-point metal liquid 7 and its attached
Equipment composition.Gas path pipe escape pipe is symmetrically arranged, and electromagnet 5,11 is respectively arranged in 4,10 outside of pipeline, iron on outlet
Ingot 6,12 is respectively arranged in 4,10 inside of pipeline on outlet.Filled with filling liquid in filled chamber 3,9.It is filled out when ingot iron 6,12 is totally immersed into
After filling in room 3,9, the low-melting-point metal liquid 7 of filling overflows filled chamber；After ingot iron 6,12 all leaves in filled chamber 3,9, fill out
The low-melting-point metal liquid 7 filled is lower than filled chamber 3,9 tops.When needing replacing molten metal, eduction valve 13 is opened.
Embodiment 1
Certain steel mill's coal gas of high temperature temperature is 1100 DEG C, needs to carry out waste heat recycling to coal gas, is carried out using above-mentioned apparatus high
Warm coal gas commutates, and metal is Al in filled chamber 3,9.The volume of metal Al be filled chamber 3,9 volumes 60%, ingot iron 6,12
Volume is fill building volume 60%.
Specific step is as follows:
(1) it preheats.Before work, by high-temperature electromagnetic reversing arrangement as heating furnace, temperature is heated to 760 DEG C or so, and
Sufficiently heat preservation one hour or more, it was molten state that interior metal aluminium, which sufficiently melts, and kept 100 DEG C or so of the degree of superheat.
(2) left gas circuit is closed, and right gas circuit is opened.High-temperature electromagnetic reversing arrangement after heating is taken out and is installed on pipeline
On.Electromagnet (left side) 11 is moved to 10 bottom outside of pipeline on outlet, and ingot iron (left side) 12 is moved in filled chamber (left side) 9, filling
7 liquid level of molten aluminum is higher than filled chamber (left side) 9 in room (left side) 9.The power-off of 11 interior loop of electromagnet (left side), left side gas circuit are closed；Electricity
Magnet (right side) 5 is moved to outlet upper tube (right side) upper outside, and ingot iron (right side) 12 is moved in 4 top of feed channel on outlet (right side)
Side, in filled chamber (right side) 3 molten aluminum liquid level lower than filled chamber (right side) 3 at the top of, 5 coil of electromagnet (right side) is persistently powered, electromagnetic switch
The right side gas circuit of device is opened, and gas passage is the 40% of filled chamber (right side) 3 volume.Gas passes sequentially through admission line-outlet
Pipeline (right side) 4 on lower pipeline (right side) 2- filled chamber (right side) 3- outlet.
(3) right gas circuit is closed, and left gas circuit is opened.After regenerative chamber certain commutation cycle, 5 coil of electromagnet (right side) is moved
It moves to 4 bottom outside of pipeline on outlet (right side), ingot iron goes out in filled chamber (right side) 3, and (7 liquid level of molten aluminum is high in (right side) 3 for filled chamber
In filled chamber (right side) 3,5 coil blackout of electromagnet (right side), right side gas circuit is closed；Electromagnet (left side) 11 is moved to outlet upper tube (left side)
10 upper outsides, ingot iron 12 are moved to 10 upper inner of tracheae on outlet (left side), and molten aluminum is located at filled chamber in filled chamber (left side) 9
(left side) 9 bottom, 11 coil of electromagnet (left side) persistently energization electromagnetic reversing arrangement left side gas circuit open, gas passage is filled chamber
The 40% of (right side) 3 volume.Gas passes sequentially through under admission line-outlet pipeline on pipeline (left side) 8- filled chamber (left side) 9- outlet
(left side) 10.
(4) repetitive cycling.After regenerative chamber certain commutation cycle, step (2), (3) are repeated.
Embodiment 2
Certain steel mill's flue-gas temperature is 600 DEG C, needs to carry out flue gas waste heat recycling, dust content is high in coal gas, in use
It states device and carries out coal gas of high temperature commutation.Embodiment 2 is with 1 difference of embodiment: metal is that Cu-Sn is closed in filled chamber 3,9
Gold；The volume of alloy be filled chamber 3,9 volumes 50%, ingot iron 6,12 volumes be fill building volume 70%；Commutation dress
Setting heating temperature is 350 DEG C；Filled chamber 3,9 bottom drain valves need to carry out regular dust removal process as needed.
Claims (7)
1. a kind of high-temperature gas electromagnetic reversing arrangement, which is characterized in that including triplet commutation pipeline, filling device and filling gold
Belong to, wherein two outlet pipes of triplet commutation pipeline are provided with filling device and filling metal, wherein filling device can
Filler when filling metal melt, to be inserted to the molten metal of one end outlet pipe, increase pipeline inner volume shared by molten metal,
Guarantee seals the outlet pipe at the end, realizes that gas commutates to the other end.
2. a kind of high-temperature gas electromagnetic reversing arrangement according to claim 1, which is characterized in that the triplet commutation pipe
Road is arranged symmetrically to be W-shaped, intermediate air inlet, and both ends are commutation outlet pipe and upward outlet, and both ends outlet pipe part is respectively in U
The bottom level space of type, U-shaped pipe forms filled chamber.
3. a kind of high-temperature gas electromagnetic reversing arrangement according to claim 1, which is characterized in that the filling device packet
Electromagnet and ingot iron are included, electromagnet is ring-type, is placed on the outside of pipeline, ingot iron is placed in insides of pipes, can pass through magnet control iron
Ingot moves up and down in pipeline.
4. a kind of high-temperature gas electromagnetic reversing arrangement according to claim 2, which is characterized in that the filling metal,
It is set in the filled chamber of outlet pipe,
5. a kind of high-temperature gas electromagnetic reversing arrangement according to claim 1, it is characterised in that: the filling metal is molten
Point range is 130 DEG C to 660 DEG C.
6. a kind of high-temperature gas electromagnetic reversing arrangement according to claim 2, it is characterised in that: the triplet commutation pipe
The bottom end in road is provided with eduction valve, for replacing filling metal.
7. a kind of high-temperature gas electromagnetic reversing arrangement according to claim 1, it is characterised in that: the triplet commutation pipe
It is refractory material on the inside of road, can be corundum, mullite or cordierite, outside is steel construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053917.2A CN109237082B (en) | 2018-09-11 | 2018-09-11 | High-temperature gas electromagnetic reversing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053917.2A CN109237082B (en) | 2018-09-11 | 2018-09-11 | High-temperature gas electromagnetic reversing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109237082A true CN109237082A (en) | 2019-01-18 |
| CN109237082B CN109237082B (en) | 2020-01-07 |
Family
ID=65067542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811053917.2A Active CN109237082B (en) | 2018-09-11 | 2018-09-11 | High-temperature gas electromagnetic reversing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237082B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE705271C (en) * | 1936-05-24 | 1941-04-22 | Maschf Augsburg Nuernberg Ag | Closure for gas pipes |
| DE1130233B (en) * | 1960-11-24 | 1962-05-24 | Pintsch Bamag Ag | Switching element, in particular for changing the direction of flow in gas combustion systems |
| JPS5428721U (en) * | 1977-07-29 | 1979-02-24 | ||
| JPS5485105A (en) * | 1977-12-20 | 1979-07-06 | Kawasaki Heavy Ind Ltd | Emergency actuating apparatus for water-sealed valve |
| CN2150396Y (en) * | 1993-04-07 | 1993-12-22 | 张志弘 | Magnetic controlling valve without leakage |
| CN2204894Y (en) * | 1994-04-26 | 1995-08-09 | 焦存仁 | Valve |
| CN2343436Y (en) * | 1998-08-12 | 1999-10-13 | 刘长海 | Melt three-way valve |
| CN201297405Y (en) * | 2008-12-02 | 2009-08-26 | 沈阳铝镁设计研究院 | Three-way discharger |
| CN206206705U (en) * | 2016-09-21 | 2017-05-31 | 中国化学工程第六建设有限公司 | The device of control desulfurization fume opening and closing |
-
2018
- 2018-09-11 CN CN201811053917.2A patent/CN109237082B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE705271C (en) * | 1936-05-24 | 1941-04-22 | Maschf Augsburg Nuernberg Ag | Closure for gas pipes |
| DE1130233B (en) * | 1960-11-24 | 1962-05-24 | Pintsch Bamag Ag | Switching element, in particular for changing the direction of flow in gas combustion systems |
| JPS5428721U (en) * | 1977-07-29 | 1979-02-24 | ||
| JPS5485105A (en) * | 1977-12-20 | 1979-07-06 | Kawasaki Heavy Ind Ltd | Emergency actuating apparatus for water-sealed valve |
| CN2150396Y (en) * | 1993-04-07 | 1993-12-22 | 张志弘 | Magnetic controlling valve without leakage |
| CN2204894Y (en) * | 1994-04-26 | 1995-08-09 | 焦存仁 | Valve |
| CN2343436Y (en) * | 1998-08-12 | 1999-10-13 | 刘长海 | Melt three-way valve |
| CN201297405Y (en) * | 2008-12-02 | 2009-08-26 | 沈阳铝镁设计研究院 | Three-way discharger |
| CN206206705U (en) * | 2016-09-21 | 2017-05-31 | 中国化学工程第六建设有限公司 | The device of control desulfurization fume opening and closing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109237082B (en) | 2020-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101584958B (en) | Movable desorption device of activated coke | |
| CN101537303B (en) | Solution dehumidification device driven by low-temperature smoke gas | |
| CN207050270U (en) | A kind of sulfur removal technology residual neat recovering system | |
| CN103471410B (en) | A kind of fuel heating furnace waste heat recycle method and system | |
| CN103196300A (en) | Method for utilizing waste heat of smelting flue gas | |
| CN103234365A (en) | System and method for utilizing metallurgy cinder-flushing water and process low-temperature flue gas waste heat to perform air-conditioning heating | |
| CN203443382U (en) | Waste heat recycling system of fuel heating furnace | |
| CN105135468A (en) | Smoke waste heat utilization system | |
| CN109237082A (en) | A kind of high-temperature gas electromagnetic reversing arrangement | |
| CN103983120B (en) | A kind of rotary hearth furnace process Metallurgical dust containing zinc technique flue gas system anti-stick method | |
| CN201852475U (en) | Flue gas waste heat recycling device | |
| CN101915502A (en) | Method for regulating oxygen atmosphere in fuel oil (gas) reverberatory furnace by using recovered fume | |
| CN202660525U (en) | Composite phase-change heat exchange system | |
| CN102914171B (en) | Heat accumulating type waste heat recovery combination unit and temperature control method thereof | |
| CN201419072Y (en) | Device for recovering active coke | |
| CN204043420U (en) | A kind of waste-heat recovery device | |
| CN103175423A (en) | Heat pipe type flue gas waste heat recovery energy storage device and heat pipe type flue gas waste heat recovery energy storage method | |
| CN101122448A (en) | Hot plate | |
| CN109520318B (en) | Heat accumulating type high-temperature flue gas waste heat utilization system | |
| CN203240914U (en) | Equipment system capable of conditioning air and collecting heat with metallurgy cinder flushing water and technology low temperature smoke waste heat | |
| CN203908334U (en) | Process flue gas treatment bonding prevention device of rotary hearth furnace for treating metallurgical dust containing zinc | |
| CN203501819U (en) | Recycling device for smoke afterheat and dust generated from non-ferrous metal smelting | |
| CN202511639U (en) | Anti-blocking device of rotary hearth furnace fume system in metallurgy solid waste disposal | |
| CN102345997A (en) | Dew point corrosion resistant method for flue gas heat exchanger | |
| CN206959665U (en) | Efficient corrosion resisting heat pipe-type gas-gas heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |