CN201145411Y - Waste heat boiler - Google Patents
Waste heat boiler Download PDFInfo
- Publication number
- CN201145411Y CN201145411Y CNU2007201904259U CN200720190425U CN201145411Y CN 201145411 Y CN201145411 Y CN 201145411Y CN U2007201904259 U CNU2007201904259 U CN U2007201904259U CN 200720190425 U CN200720190425 U CN 200720190425U CN 201145411 Y CN201145411 Y CN 201145411Y
- Authority
- CN
- China
- Prior art keywords
- connector
- waste heat
- heat boiler
- sealing
- lower seal
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a waste heat boiler, comprising a boiler body and a water circulation system. A smoke inlet of the boiler body is provided with a sealing-connecting device which comprises a lower part sealing-connecting piece and a flexible sealing-connecting piece, wherein the lower part sealing-connecting piece is suitable to be buckled with a flue gas outlet of a smelting furnace; one end of the flexible sealing-connecting piece is hermetically connected with the boiler body, and the other end of the flexible sealing-connecting piece is hermetically connected with the lower part sealing-connecting piece, thereby the flexible sealing-connecting piece and the lower part sealing-connecting piece can move relative to the boiler body. The sealing-connecting device of the utility model consists of a lower connecting part and a flexible connecting part. The flexible connecting part has expansion space, which meets the requirement of heat expansion during operation, so as to prevent the waste heat boiler and the smelting furnace from having heat expansion and producing gaps. Therefore, the waste heat boiler is good in leak tightness, simple to operate and low in cost.
Description
Technical field
The utility model relates to a kind of waste heat boiler, especially relates to a kind of waste heat boiler that sealing and connecting device is installed between mouth and the smelting furnace exhanst gas outlet that advances at body of heater.
Background technology
In the melting field, waste heat boiler is used to reclaim the heat from the high-temperature flue gas of smelting furnace discharge, in the prior art, adopts fire-resistant brickwork construction or water-cooled jacket structure for water between smelting furnace and the waste heat boiler, forms the flue structure of sealing.The high-temperature flue gas of discharging from smelting furnace enters waste heat boiler, and waste heat boiler is taken away the heat energy of high-temperature flue gas by heat exchange, and is transported to the end user place.
Since smelting furnace and waste heat boiler after being subjected to high temperature, can expand distortion, fire-resistant brickwork construction and water-cooled jacket structure for water have following problem.Fire-resistant brickwork construction does not have retractility, and therefore, the sealing of this syndeton is poor, and the gap location flue gas is revealed big, and air leak rate of air curtain is generally 40%-80%, rear portion vent gas treatment difficulty; Secondly, the rear portion waste heat boiler can produce corrosion because of leaking out; Once more, waste energy, leak out and the heat taken away of cooling water can not be recycled usually, the energy consumption that makes air-introduced machine and rear portion vent gas treatment owing to leak out increases, and last, operating environment is poor, the slit is bigger between smelting furnace and petticoat pipe, and flue gas is often overflowed, operating environment of pollution, and fire-resistant brick hermetically-sealed construction dust stratification is serious, need carry out artificial deashing, and the water-cooled jacket structure for water life-span is short, the heat that the jacket structure for water cooled flue gas absorbs, take away by cooling water, do not obtain utilizing having wasted the energy.
In addition, when accident occurring and need insert flue shutter in advancing between mouth and the smelting furnace exhanst gas outlet of waste heat boiler, need fire-resistant brick structural demolition, then flue shutter is inserted into the advancing between mouth and the smelting furnace exhanst gas outlet of waste heat boiler, again flue shutter is extracted out at last, build once more and go up refractory brick, in other words, fire-resistant brickwork construction is disposable, so complicated operation, time-consuming, the cost height.Under the situation of water-cooled jacket structure for water, could insert flue shutter after must removing, complicated operation, efficient is low.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of waste heat boiler with expansion space, sealing height, long service life, energy savings is provided.
According to embodiment of the present utility model, a kind of waste heat boiler is proposed, comprise body of heater and water circulation system, the mouth place of advancing of described body of heater is provided with sealing and connecting device, described sealing and connecting device comprises: the lower seal connector, and described lower seal connector is suitable for buckling on the exhanst gas outlet of smelting furnace; The flexible sealing connector, one end of described flexible sealing connector is connected with described furnace sealing ground, and its other end is connected hermetically with described lower seal connector, thereby described flexible sealing connector and described lower seal connector can move with respect to waste heat boiler.
Sealing and connecting device according to the utility model embodiment, being buckled in lower seal connector on the smelting furnace is connected with respect to waste heat boiler by flexible sealing coupled and that link to each other with waste heat boiler and moves, therefore, what can compensate smelting furnace and waste heat boiler can expand distortion after being subjected to high temperature, and, when needs insert flue shutter between smelting furnace and waste heat boiler, only needing that the lower seal connector is communicated with flexible sealing connects with respect to waste heat boiler and melting land and upwards lifts, bottom connection seal and smelting furnace are left, after extracting flue shutter out, only need to be buckled on the smelting furnace exhanst gas outlet lower seal connector just passable, therefore, simple to operate, good seal performance, cost is low.
According to the further embodiment of the utility model, waste heat boiler also has following attached technical characterictic:
Described flexible sealing connector is made by the high-temperature flexible encapsulant.
Described lower seal connector is made of fin panel casing.
Described fin panel casing is welded by pipe and round steel space.
Described fin panel casing is communicated with described water circulation system, so that cooling lower seal connector.
One end of described flexible sealing connector is fixed on the lateral wall of smoke inlet of described body of heater hermetically.
The end sealing of described lower seal connector is connected with flange, and the bottom end seal of described flexible sealing connector is connected on the outer of flange, thereby described flange, described flexible sealing connector and described body of heater form a cavity.
Be filled with flexible refractory material in the described cavity.
The outer setting of described flexible sealing connector has protective cover.
The upper end of described protective cover is fixed on the lateral wall of described body of heater, and its lower ends downward is extended a part that covers described lower seal connector.
Further comprise the sand seal device that is used to seal the faying face between described bottom connector and the smelting furnace exhanst gas outlet.
Described sand seal device comprise sealing and fixing on described lower seal connector the sand seal plate and be suitable for sealing and fixing on the smelting furnace lateral wall and accommodate the husky sand seal groove of sealing, wherein said sand seal plate is suitable for inserting in the described sand seal groove.
The outer setting of described fin panel casing has heat-insulation layer.
The thickness of described heat-insulation layer is the 100-140 millimeter, and is made by the magnesia fibrofelt of alumina silicate.
Waste heat boiler according to the utility model embodiment compared with prior art has following advantage: at first, the mouth place of advancing at body of heater of the present utility model is equipped with the flexible sealing jockey, sealing and connecting device is made of lower seal connector and flexible sealing connector, flexible connecting member can plastic deformation, has expansion space, the bottom connector can be by the flexible sealing connector with respect to body of heater and smelting furnace axially and/or move radially, satisfy the thermal expansion requirement during operation, avoid body of heater and smelting furnace thermal expansion and produce the slit, therefore, good airproof performance of the present utility model; Secondly, because therefore good airproof performance of the present utility model, can not produce smoke spillage, energy savings reduces the power consumption of air-introduced machine; Once more, because sealing and connecting device has expansion space, can stretch up and down, therefore, when having an accident, sealing and connecting device can upwards lift, and is beneficial to the placement flue shutter, after the elimination fault, extracts flue shutter out and can recover former state, and is easy to operate.
The additional feature and advantage of the utility model will partly provide in the following description, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Fig. 1 is the cutaway view that enters the mouth place according to the waste heat boiler of the utility model embodiment.
Fig. 2 is an A place enlarged drawing among Fig. 1.
Fig. 3 is the side view cutaway drawing that enters the mouth place according to the waste heat boiler of the utility model embodiment.
Fig. 4 is a B place enlarged drawing among Fig. 1.
Fig. 5 is the cutaway view along the C-C among Fig. 1.
Fig. 6 is a D place enlarged drawing among Fig. 1.
Fig. 7 is the cutaway view along the E-E among Fig. 3.
Fig. 8 is a F place enlarged drawing among Fig. 1.
Fig. 9 is the structural representation of the utility model waste heat boiler.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented components identical.Be used to explain the utility model below by the embodiment that is described with reference to the drawings, described embodiment is exemplary, and can not be interpreted as restriction of the present utility model.
Referring to Fig. 9, according to the waste heat boiler of the utility model embodiment, comprise body of heater 20 and water circulation system 30, the wall of body of heater 20 can be made of fin panel casing, is filled with water in the pipe of fin panel casing, with the high-temperature flue gas of cooling smelting furnace 10 discharges.Simultaneously, be heated thereby water and flue gas in the wall of body of heater 20 carry out heat exchange, form air-water mixture, the pipeline by water circulation system turns back in the drum, flows to power plant or other users from drum then, and for example the resident heats.Like this, can effectively utilize the energy.Described body of heater 20 comprises cooling screen, ascent stage flue, changeover portion flue, descending branch flue, convection section flue successively, and the wall of these flues all is to be made of fin panel casing, and water-cooling wall is connected with water circulation system 30.Described water circulation system 30 comprises drum and the feed pipe that is connected with drum, outlet pipe, return pipe, steam inlet pipe and steam outlet pipe and other annexes.These structures all can adopt prior art, give unnecessary details no longer in detail here.
Referring to Fig. 1 to Fig. 9, waste heat boiler according to the utility model embodiment, the mouth place of advancing of described body of heater 20 is provided with sealing and connecting device 50, described sealing and connecting device 50 comprises lower seal connector 1 and flexible sealing connector 2, described lower seal connector 1 is suitable for buckling the top at smelting furnace 10, promptly, be buckled on the exhanst gas outlet 10A of smelting furnace 10, need to prove, on the exhanst gas outlet 10A of smelting furnace 10, operated by rotary motion has exhanst gas outlet lid 10B, lower seal connector 1 is buckled on the exhanst gas outlet lid 10B, forms faying face G between the two, and the purpose that the exhanst gas outlet lid is set is to be connected with smelting furnace 10 for the ease of lower seal connector 1 (being waste heat boiler), certainly exhanst gas outlet lid 10B not necessarily, lower seal connector 1 also can directly combine at smoke outlet with smelting furnace 10.One end of described flexible sealing connector 2 is suitable for being connected hermetically with body of heater 20, and the other end of described flexible sealing connector 2 is connected hermetically with lower seal connector 1, thereby forms the structure that is tightly connected.Because described flexible sealing connector 2 itself has scalable deformability, therefore, flexible sealing connector 2 can move up and down and/or move radially with described lower seal connector 1 with respect to body of heater 20 and smelting furnace 10, thereby the distortion and the expansion of compensation smelting furnace 10 and/or body of heater 20, simultaneously can be under the situation of not mobile body of heater 20, flexible sealing connector 2 is upwards lifted with described lower seal connector 1, thereby can between body of heater 20 and smelting furnace 10, insert flue shutter.
Referring to Fig. 2 and Fig. 4, fixing on the lateral wall of the porch of body of heater 20 (for example welding) has a plurality of fixtures 201, one end of described flexible sealing connector 2 is fixed on the described fixture 201 by bolt 25, the other end is connected hermetically with lower seal connector 1, for example can on the top of lower seal connector 1, weld a plurality of fixtures equally, flexible sealing is connected 2 the other end by bolt then and link to each other, but the utility model is not limited to this with fixture on the lower seal connector 1.
Sealing and connecting device according to the utility model embodiment mainly is to be used in to connect between smelting furnace 10 and the body of heater 20, because elastic deformation can take place flexible sealing connector 2, has relative lifting surplus.Therefore, can realize being flexible coupling between smelting furnace 10 and the body of heater 20.Thereby solve smelting furnace 10 and body of heater 20 and when being heated, expand the connectivity problem that distortion brings.In addition, described lower seal connector 1 leans the top at smelting furnace 10, for example on the exhanst gas outlet at the exhanst gas outlet 10A place of the smelting furnace 10 lid 10B, when smelting furnace 10 breaks down, described lower seal connector 1 is upwards lifted, described flexible sealing connector 2 deforms thereupon, lower seal connector 1 rises with flexible sealing connector 2, described lower seal connector 1 and smelting furnace 10 are broken away from, thereby can between smelting furnace 10 and body of heater 20, insert flue shutter easily.After eliminating fault, withdraw from flue shutter, described lower seal connector 1 is leaned mutually with the exhanst gas outlet lid 10B of smelting furnace 10, can recover original state, use convenient.
Referring to Fig. 1, Fig. 2 and Fig. 6, in the utility model embodiment, as mentioned above, described lower seal connector 1 is a fin panel casing, and described water-cooling wall is suitable for being connected with the water circulation system of body of heater 20.Fin panel casing as the lower seal connector, can further be cooled off the flue gas of smelting furnace 10.With body of heater 20 shared water circulation systems, make it become the part of body of heater 20, saved water circulation system, thus the designs simplification of waste heat boiler, cost reduces.
Referring to Fig. 1, Fig. 2 and Fig. 6, in the utility model embodiment, as mentioned above, and the enclosed construction that described fin panel casing is welded by pipe 11 and round steel 12 spaces, fluid-filled in the described pipe 11.It is Ф 38X5 that described pipe 11 adopts specification, and material is 20G, and the diameter of described round steel is 10mm, and material is Q235-A, but the utility model is not limited to this.Described pipe 11 and described round steel 12 alternately link together mutually, make the bottom and connect seal 1, and the bottom connects seal 1 and forms tubular structure, so that combine with the lid of the exhanst gas outlet 10A of smelting furnace 10, as Fig. 1 and shown in Figure 5.Fluids in the described pipe 11 are generally water, are provided by the water circulation system of body of heater 20.Described fin panel casing can effectively reduce the temperature of the flue gas of flowing through, and simultaneously, reclaims heat, is beneficial to the water circulation, compact conformation.
Referring to Fig. 1, Fig. 2 and Fig. 8, in the utility model embodiment, the upper end of lower seal connector 1 is connected with flange 22, and for example flange 22 links together with lower seal connector 1.
One end of described flexible sealing connector 2 by fixture 201 and bolt 25 sealing and fixing on the sidewall of body of heater 20, the other end for example is connected by bolt seal ground with the outer of flange 22, thereby flange 22, the lateral wall of flexible sealing connector 2 and body of heater 20 forms a cavity 21, filling flexible refractory material 24 in the described cavity 21.Described flexible refractory material 24 can cut off the high temperature of flue gas, prevents to burn out described flexible sealing connector 2.Simultaneously, adopt flexible refractory material 24, when it is squeezed, can be beneficial to the bottom and connect moving of seal 1 in cavity 21 internal strains.
More specifically, the bottom of described flexible sealing connector 2 links to each other by the outer of bolt with flange 22, thereby be connected with the top of described lower seal connector 1, the top links to each other with the lateral wall of body of heater 20 porch, and the more close body of heater 20 in upper end, thereby flexible sealing connector 2 is obliquely installed with respect to vertical direction.Flexible sealing connector 2 is arranged to skewed, is beneficial to described flexible sealing connector 2 and deforms, make it have the lifting surplus.And connect by flange 22, even can make described lower seal connector 1 when mobile, also can keep vertical, the exhanst gas outlet lid 10B of its internal diameter and smelting furnace 10 and the internal diameter of body of heater 20 are mated basically, and its position always conform to substantially with the exhanst gas outlet of smelting furnace 10 and the position of the inlet of body of heater 20.Certainly the utility model is not limited to this, for example, also can be arranged to the more close body of heater 20 in lower end of flexible sealing connector 2.
Referring to Fig. 1 and Fig. 8, in the utility model embodiment, the outer setting of described flexible sealing connector 2 has protective cover 23.More specifically, the upper end of described protective cover 23 is fixed on the lateral wall of body of heater 20, in Fig. 1, be fixed to the top, position that flexible sealing connector 2 links to each other with body of heater 20, and its lower ends downward is extended a part that covers described lower seal connector 1.Described protective cover 23 can prevent that high temperature furnace slag or other foreign material from falling on the described flexible sealing connector 2, prevents to damage described flexible sealing connector 2, thereby plays the effect of protection.
Referring to Fig. 1, Fig. 2 and Fig. 6, can also comprise the sand seal device that is used to seal the faying face G between described bottom connector 1 and the smelting furnace 10 exhanst gas outlet 10A according to the waste heat boiler of the utility model embodiment.Described sand seal device comprises that sand seal plate 13 on the bottom that is fixed on described lower seal connector 1 hermetically and sealing and fixing are on the lateral wall of smelting furnace 10 and accommodate the husky sand seal groove 14 of sealing.When the bottom connected on the exhanst gas outlet that seal 1 is buckled in smelting furnace 10, described sand seal plate 13 was inserted in the sealing sand of sand seal groove 14, thereby the faying face G that the bottom is connected between seal 1 and the smelting furnace 10 seals.Above-mentioned sand seal structure can effectively prevent between bottom connection seal 1 and the smelting furnace 10 smoke spillage to take place.Simultaneously, said structure can make described lower seal connector 1 be separated with smelting furnace 10 easily, thereby forms a separable hermetically-sealed construction.
Referring to Fig. 1, in the foregoing description that the utility model provides, the outside of described fin panel casing can be provided with heat-insulation layer 15, the thickness of described heat-insulation layer 15 is 100-140MM, adopt the magnesia fibrofelt of alumina silicate, prevent that thus the bottom from connecting seal 1 interior heat and outside air carries out heat exchange.
According to the inlet sealing and connecting device of the utility model embodiment have that dust stratification is light, advantage such as good airproof performance, life-span are long, energy-conservation.
Inlet sealing and connecting device according to the utility model embodiment replaces fire-resistant brickwork construction or water-cooled water jacket, overcome serious, the big shortcoming of leaking out of fire-resistant brickwork construction dust stratification, drawback such as avoided that the water jacket energy consumption is big, the life-span is short, advantage such as have that dust stratification is light, good airproof performance, life-span are long, energy-conservation.
For example, fire-resistant brickwork construction dust stratification is serious, and each class all needs to carry out artificial deashing usually, and the inlet sealing and connecting device of the utility model embodiment can not need cleaning half a year once; The water-cooled jacket structure for water life-span is short, is generally 1-2, and the inlet sealing and connecting device life-span of the utility model embodiment can reach more than 10 years; The heat that the jacket structure for water cooled flue gas absorbs is taken away by cooling water, does not obtain utilizing, and the heat that sealing and connecting device of the present utility model reclaims becomes utilizable middle saturated vapor, the energy savings of pressing.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can change that scope of the present utility model is limited by claims and equivalent thereof to these embodiment.
Claims (14)
1, a kind of waste heat boiler comprises body of heater and water circulation system, it is characterized in that, the mouth place of advancing of described body of heater is provided with sealing and connecting device, and described sealing and connecting device comprises:
The lower seal connector, described lower seal connector is suitable for buckling on the exhanst gas outlet of smelting furnace;
The flexible sealing connector, one end of described flexible sealing connector is connected with described furnace sealing ground, and its other end is connected hermetically with described lower seal connector, thereby described flexible sealing connector and described lower seal connector can move with respect to waste heat boiler.
2, waste heat boiler as claimed in claim 1 is characterized in that, described flexible sealing connector is made by the high-temperature flexible encapsulant.
3, waste heat boiler as claimed in claim 1 is characterized in that, described lower seal connector is made of fin panel casing.
4, waste heat boiler as claimed in claim 3 is characterized in that, described fin panel casing is welded by pipe and round steel space.
5, waste heat boiler as claimed in claim 3 is characterized in that, described fin panel casing is communicated with described water circulation system, so that cooling lower seal connector.
6, waste heat boiler as claimed in claim 1 is characterized in that, an end of described flexible sealing connector is fixed on the lateral wall of smoke inlet of described body of heater hermetically.
7, waste heat boiler as claimed in claim 6, it is characterized in that, the end sealing of described lower seal connector is connected with flange, the bottom end seal of described flexible sealing connector is connected on the outer of flange, thereby described flange, described flexible sealing connector and described body of heater form a cavity.
8, waste heat boiler as claimed in claim 7 is characterized in that, is filled with flexible refractory material in the described cavity.
9, waste heat boiler as claimed in claim 1 is characterized in that, the outer setting of described flexible sealing connector has protective cover.
10, waste heat boiler as claimed in claim 9 is characterized in that, the upper end of described protective cover is fixed on the lateral wall of described body of heater, and its lower ends downward is extended a part that covers described lower seal connector.
11, waste heat boiler as claimed in claim 1 is characterized in that, further comprises the sand seal device that is used to seal the faying face between described bottom connector and the smelting furnace exhanst gas outlet.
12, waste heat boiler as claimed in claim 11, it is characterized in that, described sand seal device comprises the sand seal plate of sealing and fixing on described lower seal connector, with be suitable for sealing and fixing on the smelting furnace lateral wall and accommodate the husky sand seal groove of sealing, wherein said sand seal plate is suitable for inserting in the described sand seal groove.
13, waste heat boiler as claimed in claim 3 is characterized in that, the outer setting of described fin panel casing has heat-insulation layer.
14, waste heat boiler as claimed in claim 13 is characterized in that, the thickness of described heat-insulation layer is the 100-140 millimeter, and is made by the magnesia fibrofelt of alumina silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201904259U CN201145411Y (en) | 2007-11-28 | 2007-11-28 | Waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201904259U CN201145411Y (en) | 2007-11-28 | 2007-11-28 | Waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145411Y true CN201145411Y (en) | 2008-11-05 |
Family
ID=40082293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201904259U Expired - Lifetime CN201145411Y (en) | 2007-11-28 | 2007-11-28 | Waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145411Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451768B (en) * | 2007-11-28 | 2010-09-22 | 中国恩菲工程技术有限公司 | Exhaust-heating boiler |
| CN101839651A (en) * | 2010-05-06 | 2010-09-22 | 中国瑞林工程技术有限公司 | Sealing device for exhaust-heat boiler inlet |
| CN102899507A (en) * | 2012-09-27 | 2013-01-30 | 河南中孚实业股份有限公司 | Large-volume refined aluminum segregation furnace purifying plant |
-
2007
- 2007-11-28 CN CNU2007201904259U patent/CN201145411Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451768B (en) * | 2007-11-28 | 2010-09-22 | 中国恩菲工程技术有限公司 | Exhaust-heating boiler |
| CN101839651A (en) * | 2010-05-06 | 2010-09-22 | 中国瑞林工程技术有限公司 | Sealing device for exhaust-heat boiler inlet |
| CN102899507A (en) * | 2012-09-27 | 2013-01-30 | 河南中孚实业股份有限公司 | Large-volume refined aluminum segregation furnace purifying plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100595483C (en) | Inlet sealing and connecting device used for waste-heat boiler | |
| CN102635844A (en) | Boiler system using waste heat of flue gas of rotary hearth furnace | |
| CN201145411Y (en) | Waste heat boiler | |
| CN204612502U (en) | A kind of electric-arc furnace steelmaking fume afterheat efficient system for reclaiming | |
| CN101451768B (en) | Exhaust-heating boiler | |
| CN101196385A (en) | Ascending pipe heat-exchanger for coke oven | |
| CN201443755U (en) | Labyrinth type expansion joint of slag discharge pipe of circulating fluidized bed boiler | |
| CN201145262Y (en) | Inlet seal connecting device for exhaust-heat boiler | |
| CN104359326A (en) | System for efficiently recovering steel-making flue gas residual heat of electric-arc furnace | |
| CN208139860U (en) | metallurgical furnace flue | |
| CN204454888U (en) | A kind of sleeve kiln that can reclaim cooling air heat energy | |
| CN211823858U (en) | Fused magnesium lump cooling and waste heat recovery system | |
| CN209744974U (en) | energy-saving tunnel kiln for producing coal gangue bricks | |
| CN201417020Y (en) | Boiler soot down-flow type heat-recovering device | |
| CN207231256U (en) | A kind of high aluminium melting furnace of hot melt | |
| CN203653483U (en) | Water-cooled flue of dry quenching furnace | |
| CN201136848Y (en) | Powdered coke cooling jacket | |
| CN110726139A (en) | Domestic waste pyrolysis gasification layer cooling device | |
| CN215063932U (en) | Tubular heat exchanger | |
| CN106336904A (en) | Powdered coal gasification dry-process deslagging cooler | |
| CN2743352Y (en) | High temperature compensator for dry extinguishing coke | |
| CN217737171U (en) | Boiler blow-off heat energy cyclic utilization device | |
| CN103710035B (en) | Dry quenching furnace water-cooling flue and installation construction method thereof | |
| CN215446493U (en) | Integrally cast slag falling pipe for power plant boiler | |
| CN210891660U (en) | Domestic waste pyrolysis gasification layer cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081105 Effective date of abandoning: 20071128 |