CN201145262Y - Inlet seal connecting device for exhaust-heat boiler - Google Patents
Inlet seal connecting device for exhaust-heat boiler Download PDFInfo
- Publication number
- CN201145262Y CN201145262Y CNU2007201904244U CN200720190424U CN201145262Y CN 201145262 Y CN201145262 Y CN 201145262Y CN U2007201904244 U CNU2007201904244 U CN U2007201904244U CN 200720190424 U CN200720190424 U CN 200720190424U CN 201145262 Y CN201145262 Y CN 201145262Y
- Authority
- CN
- China
- Prior art keywords
- heat boiler
- waste heat
- connector
- sealing
- connecting device
- 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
Abstract
The utility model provides an inlet sealing connecting device used for a waste heat boiler, comprising a lower sealing connecting part and a flexible sealing connecting part, wherein, the lower sealing connecting part is suitable for being covered on a flue gas outlet of a melting furnace; one end of the flexible sealing connecting part is in sealing connection with the waste heat boiler, the other end of the flexible sealing connecting part is in sealing connection with the lower sealing connecting part, therefore, the flexible sealing connecting part and the lower sealing connecting part can move relative to the waste heat boiler. The sealing connecting device comprises the lower sealing connecting part and the flexible sealing connecting part, wherein, the flexible sealing connecting part has expanding excess; the heat expanding requirement is satisfied in the operation and the generation of a gap is avoided due to the heat expansion of the waste heat boiler and the melting furnace, therefore, the inlet sealing connecting device has good sealing property, simple operation and low cost.
Description
Technical field
The utility model relates to a kind of sealing and connecting device that is used between waste heat boiler and the smelting furnace, especially relates to a kind of sealing and connecting device that is installed between exhaust-heat boiler inlet and the smelting furnace exhanst gas outlet.
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 between exhaust-heat boiler inlet and smelting furnace exhanst gas outlet, insert flue shutter, need fire-resistant brick structural demolition, then flue shutter is inserted between exhaust-heat boiler inlet and the smelting furnace exhanst gas outlet, 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 inlet sealing and connecting device that is used for 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 inlet sealing and connecting device that is used for waste heat boiler is proposed, comprising: 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 suitable for being connected hermetically with waste heat boiler, 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, the inlet sealing and connecting device that is used for 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 water-cooling wall is welded by pipe and round steel space.
Described fin panel casing is suitable for being communicated with the water circulation system of waste heat boiler, so that cooling lower seal connector.
One end of described flexible sealing connector is suitable for being fixed on hermetically on the lateral wall of exhaust-heat boiler inlet.
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 waste heat boiler 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 suitable for being fixed on the lateral wall of waste heat boiler, and its lower ends downward is extended a part that covers described lower seal connector.
The inlet sealing and connecting device that is used for waste heat boiler 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.
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.
The inlet sealing and connecting device that is used for waste heat boiler according to the utility model embodiment compared with prior art has following advantage: at first, sealing and connecting device of the present utility model 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 waste heat boiler and smelting furnace axially and/or move radially, satisfy the thermal expansion requirement during operation, avoid waste heat boiler 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 that the master according to the inlet sealing and connecting device that is used for waste heat boiler of the utility model embodiment looks cutaway view.
Fig. 2 is an A place enlarged drawing among Fig. 1.
Fig. 3 is the side view cutaway drawing according to the inlet sealing and connecting device that is used for 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. 2.
Fig. 8 is a F place enlarged drawing among Fig. 1.
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. 1 to Fig. 8, the inlet sealing and connecting device that is used for waste heat boiler according to the utility model embodiment, comprise 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, form faying face G between the two, the purpose that 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), and certain exhanst gas outlet covers 10B not necessarily, and 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 waste heat boiler 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 waste heat boiler 20 and smelting furnace 10, thereby the distortion and the expansion of compensation smelting furnace 10 and/or waste heat boiler 20, simultaneously can be under the situation of not mobile waste heat boiler 20, flexible sealing connector 2 is upwards lifted with described lower seal connector 1, thereby can between waste heat boiler 20 and smelting furnace 10, insert flue shutter.
According to the utility model, be filled with water in the perisporium of waste heat boiler 20, with the high-temperature flue gas of cooling smelting furnace 10 discharges.Simultaneously, be heated, form air-water mixture, flow to power plant or other users, for example resident's heating by water circulation system thereby water in waste heat boiler 20 perisporiums and flue gas carry out heat exchange.Like this, can effectively utilize the energy.Lower seal connector 1 can with waste heat boiler 20 shared water circulation systems, not only can cool off lower seal connector 1, and can effectively utilize the energy.
Referring to Fig. 2 and Fig. 4, fixing on the lateral wall of the porch of waste heat boiler 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 waste heat boiler 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 waste heat boiler 20.Thereby solve smelting furnace 10 and waste heat boiler 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 waste heat boiler 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 waste heat boiler 20.Fin panel casing as the lower seal connector, can further be cooled off the flue gas of smelting furnace 10.With waste heat boiler 20 shared water circulation systems, make it become the part of waste heat boiler 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 water-cooling wall 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 waste heat boiler 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 waste heat boiler 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 waste heat boiler 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 waste heat boiler 20 porch, and the more close waste heat boiler 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 waste heat boiler 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 waste heat boiler 20.Certainly the utility model is not limited to this, for example, also can be arranged to the more close waste heat boiler 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 waste heat boiler 20, in Fig. 1, be fixed to the top, position that flexible sealing connector 2 links to each other with waste heat boiler 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 inlet sealing and connecting device that is used for 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 the heat-insulation layer (not shown), the thickness of described heat-insulation layer 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 inlet sealing and connecting device that is used for waste heat boiler is characterized in that, comprising:
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 suitable for being connected hermetically with waste heat boiler, 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, the inlet sealing and connecting device that is used for 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, the inlet sealing and connecting device that is used for waste heat boiler as claimed in claim 1 is characterized in that, described lower seal connector is made of fin panel casing.
4, the inlet sealing and connecting device that is used for waste heat boiler as claimed in claim 3 is characterized in that, described water-cooling wall is welded by pipe and round steel space.
5, the inlet sealing and connecting device that is used for waste heat boiler as claimed in claim 3 is characterized in that, described fin panel casing is suitable for being communicated with the water circulation system of waste heat boiler, so that cooling lower seal connector.
6, the inlet sealing and connecting device that is used for waste heat boiler as claimed in claim 1 is characterized in that, an end of described flexible sealing connector is suitable for being fixed on hermetically on the lateral wall of exhaust-heat boiler inlet.
7, the inlet sealing and connecting device that is used for 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 waste heat boiler form a cavity.
8, the inlet sealing and connecting device that is used for waste heat boiler as claimed in claim 7 is characterized in that, is filled with flexible refractory material in the described cavity.
9, the inlet sealing and connecting device that is used for waste heat boiler as claimed in claim 1 is characterized in that, the outer setting of described flexible sealing connector has protective cover.
10, the inlet sealing and connecting device that is used for waste heat boiler as claimed in claim 9 is characterized in that, the upper end of described protective cover is suitable for being fixed on the lateral wall of waste heat boiler, and its lower ends downward is extended a part that covers described lower seal connector.
11, the inlet sealing and connecting device that is used for 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, the inlet sealing and connecting device that is used for 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, the inlet sealing and connecting device that is used for 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, the inlet sealing and connecting device that is used for 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 |
|---|---|---|---|
| CNU2007201904244U CN201145262Y (en) | 2007-11-28 | 2007-11-28 | Inlet seal connecting device for exhaust-heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201904244U CN201145262Y (en) | 2007-11-28 | 2007-11-28 | Inlet seal connecting device for exhaust-heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145262Y true CN201145262Y (en) | 2008-11-05 |
Family
ID=40082142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201904244U Expired - Lifetime CN201145262Y (en) | 2007-11-28 | 2007-11-28 | Inlet seal connecting device for exhaust-heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145262Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178668A (en) * | 2020-10-26 | 2021-01-05 | 江苏太曜电气有限公司 | Boiler sealing device and sealing method |
-
2007
- 2007-11-28 CN CNU2007201904244U patent/CN201145262Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178668A (en) * | 2020-10-26 | 2021-01-05 | 江苏太曜电气有限公司 | Boiler sealing device and sealing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100595483C (en) | Inlet sealing and connecting device used for waste-heat boiler | |
| CN200993379Y (en) | Membrane type smoke cover structure | |
| CN201145411Y (en) | Waste heat boiler | |
| CN102976312A (en) | Heat exchanger structure capable of prolonging service life of calcined coke heat exchanger | |
| CN103836950B (en) | Efficient solid electric energy storage furnace | |
| CN101451768B (en) | Exhaust-heating 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 | |
| CN201087201Y (en) | Conveyer for energy-saving steel making of electric furnace | |
| CN201599817U (en) | Integral type tubular heat exchanger for exchanging heat between high-temperature flue gas and mediums | |
| CN205748062U (en) | High temperature gas-gas heat exchanger | |
| CN209744974U (en) | energy-saving tunnel kiln for producing coal gangue bricks | |
| CN212901486U (en) | CFB boiler slag pipe expansion compensation device that falls | |
| CN103486871A (en) | Melting furnace chimney with waste heat recovery structure | |
| CN208139860U (en) | metallurgical furnace flue | |
| CN203653483U (en) | Water-cooled flue of dry quenching furnace | |
| CN207987119U (en) | Full water cooling formula fixed bed slag tap gasification installation | |
| CN201136848Y (en) | Powdered coke cooling jacket | |
| CN2743352Y (en) | High temperature compensator for dry extinguishing coke | |
| CN218295691U (en) | Gas type high-efficiency steam generator | |
| CN217737171U (en) | Boiler blow-off heat energy cyclic utilization device | |
| CN110726139A (en) | Domestic waste pyrolysis gasification layer cooling device | |
| CN206553599U (en) | Reviver saves Shuangzi smelting furnace | |
| CN103710035B (en) | Dry quenching furnace water-cooling flue and installation construction method thereof | |
| CN106336904A (en) | Powdered coal gasification dry-process deslagging cooler |
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 |