CN2436796Y - Screw double-water inner cooling slag-cooling machine - Google Patents
Screw double-water inner cooling slag-cooling machine Download PDFInfo
- Publication number
- CN2436796Y CN2436796Y CN 00218226 CN00218226U CN2436796Y CN 2436796 Y CN2436796 Y CN 2436796Y CN 00218226 CN00218226 CN 00218226 CN 00218226 U CN00218226 U CN 00218226U CN 2436796 Y CN2436796 Y CN 2436796Y
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- cooling
- cooling water
- screw spindle
- interlayer
- 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
Abstract
The utility model relates to a spiral double-water inner cooling slag-cooling machine which comprises a machine shell and a spiral main shaft, wherein the surface of a shell sleeve of the spiral main shaft is sprayed and welded with alloy of high temperature and abrasion resistance. The structure of a material supplying pipe is in a double-layer steel pipe structure. An interlayer is arranged between the inner and outer layers of steel pipes. Cooling water flows through the interlayer in order to cool the material supplying pipe. The utility model also comprises a connector which enables a cooling water inlet and a cooling water outlet to be arranged on the same end and is composed of a minor diameter steel pipe and a major diameter steel pipe, wherein the minor diameter steel pipe and the major diameter steel pipe are coaxially arranged. An interlayer is arranged between the two steel pipes. The utility model prolongs service lives of the spiral main shaft and the material supplying pipe. The utility model has the advantages of simple machine set arrangement, loss reduction and economic benefit increase.
Description
The utility model relates to the cold slag machine of spiral, relates in particular to the cold slag machine of a kind of spiral double-water internal cooling.
As everyone knows, in occasion that such as the power plant, need to use boiler, need use cold slag machine to cool off usually and carry slag.Habitual is the cold slag machine of spiral in the market.The cold slag machine of this spiral is that a kind of high-temperature material cools off conveying equipment continuously, and it is to utilize the screw spindle that rotates that the material that is transferred is passed along the hopper inner surface to carry, also cool off simultaneously this material.At present, two strands of cold slag machines of spiral double-water internal cooling that cooling water cools off of existing both at home and abroad employing.The cold slag machine of this spiral double-water internal cooling will have cooling moisture two-way certain pressure, such as demineralized water or industry water and be input in this cold slag machine: wherein one cooling water flows into an end of screw spindle, the other end of flowing through behind the screw spindle valve jacket again by this main shaft flows out, to cool off this screw spindle; Another strand cooling water then flows into the water inlet of hopper valve jacket, is flowed out by delivery port behind the special water route that is welded by gusset of flowing through, to cool off this hopper.The cold slag machine of this spiral double-water internal cooling makes them carry out heat exchange by cooling water and the high-temperature material mediate contact that makes normal temperature, thereby make high-temperature material sufficiently cooled when carrying, simultaneously can reclaim heat energy again, both save the energy, improve economic benefit again.
Yet still there is some unsatisfactory part in the cold slag machine of this spiral double-water internal cooling.
At first, the cold slag machine of existing spiral not too is applicable to the power plant of China based on burning gangue.This is to contain more high temperature sludge stone in the slag because made from bastard coal masonry fuel, when screw spindle is carried slag along the passing of hopper inner surface, this high temperature sludge stone contacts with the screw spindle valve jacket, because the high mill of screw spindle valve jacket non-refractory, thereby very easily wearing and tearing.At present, the working life of screw spindle often has only about 6 months.
In addition, wherein one cooling water in the cold slag machine of existing spiral double-water internal cooling is an end that flows into screw spindle, is flowed out by the other end of this main shaft behind the screw spindle valve jacket of flowing through again.Obviously, this layout is unfavorable for the power input and the mounting arrangement of whole unit.
Moreover the feed pipe in the cold slag machine of existing spiral is the monolayer steel pipe structure, and from the temperature of the slag of boiler slag notch usually up to more than 850 ℃, so just usually feed pipe is burnt red heat, thereby quicken its oxidation, and make its service life quite short.
Therefore, in view of above-mentioned defective, the purpose of this utility model is to provide a kind of spiral double-water internal cooling that can address the above problem cold slag machine.It can not only improve the performance of high temperature resistant, the anti-high mill of screw spindle valve jacket, thus the working life that has prolonged screw spindle widely; And the layout of the water inlet of screw spindle one end before, other end water outlet can be made into same end water-in and water-out at main shaft, so that input of the power of whole unit and mounting arrangement; In addition, it has also made the original monolayer steel pipe structure of feed pipe into double steel structure, and injects cooling water with this feed pipe of abundant cooling in interlayer, thereby has prolonged the service life of feed pipe widely.
For achieving the above object, the utility model provides a kind of cold slag machine of spiral double-water internal cooling that convey materials is used that cools off, it includes: which is provided be opened in its feed pipe, be used to send into the charging aperture of material and be opened in discharging opening its discharge nozzle, that be used for outputting material, be used for input and output and wherein the cooling water inlet of one cooling water and coolant outlet and its inside be provided with the casing of hopper, this hopper is equipped with the hopper valve jacket; And flatly be arranged on the interior screw spindle of hopper, and this screw spindle is equipped with the screw spindle valve jacket, and its characteristics are: surfacing has the alloy of high temperature resistant anti-high mill on the surface of screw spindle valve jacket; The structure of feed pipe is a double steel structure, and it is made of inner tube and outer tube, is provided with interlayer between inside and outside layer steel pipe, and cooling water flows through this interlayer with the cooling feed pipe; This cold slag machine also includes connector, it is made of coaxial mounted path steel pipe and big directly steel tube place, between two steel pipes, be provided with interlayer, and the path steel pipe is longer than big footpath steel pipe, end at connector is provided with the cooling water inlet, and be provided with some apertures at a big footpath steel pipe end relative with the cooling water inlet, these apertures are connected with the cavity of screw spindle valve jacket, the end that the path steel pipe is relative with aperture is coolant outlet, and cooling water inlet and coolant outlet are positioned on the same end of connector.
Preferably, this alloy is a cobalt-base alloys; The thickness of this surfacing alloy coat is 0.4～1.5mm.
By adopting the cold slag machine of above-mentioned spiral double-water internal cooling, compared with prior art, because its working life that has prolonged screw spindle greatly at the high temperature resistant anti-high alloy that grinds of screw spindle valve jacket surface spraying weld; The layout of the water inlet of screw spindle one end in the past, other end water outlet is made to be convenient in the same end water-in and water-out of main shaft into the power input and the mounting arrangement of whole unit; And made the original monolayer steel pipe structure of feed pipe into double steel structure and in interlayer, injected cooling water has prolonged feed pipe greatly with abundant cooling service life, thereby it has lowered loss significantly, thereby improved economic benefit, the cooling that is particularly useful for using the slag of the CFBB of coal, gangue, petroleum coke, oil shale and fluidized bed furnace is carried.
Can understand the utility model better by consulting following accompanying drawing to the explanation of preferred embodiment, wherein:
Fig. 1 is the cutaway view of the cold slag machine of the utility model spiral double-water internal cooling.
As shown in Figure 1, the casing of the cold slag machine of spiral double-water internal cooling of the present utility model have be opened in its feed pipe, be used to send into the charging aperture 1 of slag and be opened in discharging opening 2 its discharge nozzle, that be used to export slag.This charging aperture 1 and discharging opening 2 are connected with the hopper 3 of cold slag machine.Flatly be provided with in this hopper 3 and be used for screw spindle 4 that slag is passed along the hopper inner surface, this screw spindle is equipped with screw spindle valve jacket 5.In order to improve high temperature resistant, the anti-high performance of grinding of screw spindle valve jacket 5, the utility model is the alloy of the high temperature resistant and anti-high mill of surfacing in its surface, and the thickness of this surfacing coating preferably is about 0.4～1.5mm.Once surfacing, high temperature sludge stone its surface of no longer wearing and tearing when contacting, thereby the working life that has prolonged screw spindle widely with the screw spindle sheath body.
Then, as we can see from the figure, be provided with the connector 6 that manufactures and designs according to the mechanical seal principle at an end of screw spindle 4.This connector 6 is made of coaxial mounted path steel pipe 7 and big footpath steel pipe 8, be provided with interlayer 9 between two steel pipes, and path steel pipe 7 is longer than big footpath steel pipe 8.End at this connector 6 is provided with cooling water inlet 10, and 10 relative ends are provided with some apertures 11 in big footpath steel pipe 8 and this cooling water inlet, and these apertures are connected with the cavity 12 of screw spindle valve jacket.Path steel pipe 7 and aperture 11 relative ends are coolant outlet 13.Cooling water inlet 10 is positioned on the same end of this connector 6 with coolant outlet 13.In when running, one cooling water flows into from cooling off water inlet 10, flows through between path steel pipe 7 and the interlayer 9 between the steel pipe 8 greatly directly after flow into by the aperture 11 on the steel tube end part of big footpath in the cavity 12 of screw spindle valve jacket, with cooling spiral main shaft 4.Then, the cooling water of screw spindle valve jacket of flowing through is pooled to again in the core cavity 14, end through path steel pipe 7 flow in this path steel pipe again, and flow out via the coolant outlet 13 at its other end place, same end water-in and water-out have been realized thus, so that input of the power of whole unit and mounting arrangement at main shaft.
Moreover as shown in Figure 1, the feed pipe of charging aperture 1 is a double steel structure, and it is made of inner layer steel pipe 15 and outer layer pipe 16, and is provided with interlayer 17 between inside and outside layer steel pipe.As the cold slag machine of existing spiral double-water internal cooling, another strand cooling water flow in the hopper valve jacket from cooling off water inlet 18, flow through and flow out from cooling off water out 19 behind the special water route that is welded by gusset (not shown), so that with first strand of cooling water cooled slag of coming together.Different is, this cooling water is cooling off water out 19 will flow through earlier before flowing out this feed pipe, i.e. interlayer 17 between inside and outside layer steel pipe certainly, thereby fully cool off this feed pipe, make its unlikely by slag burn red heat and accelerated oxidation, prolonged service life of feed pipe thus widely.
Though more than the purpose of this utility model, design feature and effect have been done to specify by a preferred embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment only is used for illustrating, rather than conduct is to qualification of the present utility model, as long as without prejudice to spiritual essence of the present utility model, then the various distortion of the foregoing description all will drop among the claim scope of the present utility model.
Claims (3)
1. one kind is cooled off the cold slag machine of spiral double-water internal cooling that convey materials is used, it includes: which is provided with and be opened in charging aperture its feed pipe, that be used to send into material (1) and be opened in discharging opening its discharge nozzle, that be used for outputting material (2), be used for input and output and wherein the cooling water inlet of one cooling water (18) and coolant outlet (19) and its inside be provided with the casing of hopper (3), described hopper is equipped with the hopper valve jacket; And flatly be arranged on the interior screw spindle (4) of described hopper, described screw spindle is equipped with screw spindle valve jacket (5), it is characterized in that:
Surfacing has the alloy of high temperature resistant anti-high mill on the surface of described screw spindle valve jacket;
The structure of described feed pipe is a double steel structure, and it is made of inner tube (15) and outer tube (16), is provided with interlayer (17) between inside and outside layer steel pipe, and cooling water flows through described interlayer with the cooling feed pipe;
Described cold slag machine also includes connector (6), it is made of coaxial mounted path steel pipe (7) and big footpath steel pipe (8), between two steel pipes, be provided with interlayer (9), and described path steel pipe is longer than described big footpath steel pipe, end at described connector (6) is provided with cooling water inlet (10), and be provided with some apertures (11) at big footpath steel pipe (a 8) end relative with described cooling water inlet (10), these apertures are connected with the cavity (12) of screw spindle valve jacket, the end that path steel pipe (7) is relative with aperture (11) is coolant outlet (13), and described cooling water inlet (10) are positioned on the same end of described connector (6) with coolant outlet (13).
2. the cold slag machine of spiral double-water internal cooling as claimed in claim 1 is characterized in that described alloy is a cobalt-base alloys.
3. the cold slag machine of spiral double-water internal cooling as claimed in claim 1 is characterized in that the thickness of described surfacing alloy coat is 0.4～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218226 CN2436796Y (en) | 2000-06-29 | 2000-06-29 | Screw double-water inner cooling slag-cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218226 CN2436796Y (en) | 2000-06-29 | 2000-06-29 | Screw double-water inner cooling slag-cooling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2436796Y true CN2436796Y (en) | 2001-06-27 |
Family
ID=33583653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00218226 Expired - Lifetime CN2436796Y (en) | 2000-06-29 | 2000-06-29 | Screw double-water inner cooling slag-cooling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2436796Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287837A (en) * | 2011-06-23 | 2011-12-21 | 章丘市盛隆锅炉设备有限公司 | Cold-slag discharging machine |
| CN102734813A (en) * | 2012-07-09 | 2012-10-17 | 无锡锡东能源科技有限公司 | Combined type boiler slag extractor |
| CN106439873A (en) * | 2016-11-25 | 2017-02-22 | 北京神雾环境能源科技集团股份有限公司 | Spiral deslagging device for boiler, and deslagging method |
| CN108106460A (en) * | 2016-11-24 | 2018-06-01 | 神华集团有限责任公司 | The cooling system and method for a kind of coal directly-liquefied residue |
| CN111256157A (en) * | 2020-01-15 | 2020-06-09 | 无锡市新浩锅炉辅机有限公司 | Boiler slag discharging equipment capable of recycling residual heat of coal slag |
-
2000
- 2000-06-29 CN CN 00218226 patent/CN2436796Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287837A (en) * | 2011-06-23 | 2011-12-21 | 章丘市盛隆锅炉设备有限公司 | Cold-slag discharging machine |
| CN102734813A (en) * | 2012-07-09 | 2012-10-17 | 无锡锡东能源科技有限公司 | Combined type boiler slag extractor |
| CN102734813B (en) * | 2012-07-09 | 2016-12-21 | 无锡锡东能源科技有限公司 | Composite boiler mucking machine |
| CN108106460A (en) * | 2016-11-24 | 2018-06-01 | 神华集团有限责任公司 | The cooling system and method for a kind of coal directly-liquefied residue |
| CN108106460B (en) * | 2016-11-24 | 2020-08-04 | 神华集团有限责任公司 | Cooling system and method for direct coal liquefaction residues |
| CN106439873A (en) * | 2016-11-25 | 2017-02-22 | 北京神雾环境能源科技集团股份有限公司 | Spiral deslagging device for boiler, and deslagging method |
| CN111256157A (en) * | 2020-01-15 | 2020-06-09 | 无锡市新浩锅炉辅机有限公司 | Boiler slag discharging equipment capable of recycling residual heat of coal slag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101446413B (en) | Combined type multi-injector burner | |
| CN103657787B (en) | Grinder internal spiral roller | |
| CN201327020Y (en) | Combined multi-nozzle burner | |
| CN110592301B (en) | Blast furnace with oxygen-enriched coal injection tuyere and smelting process | |
| CN214065795U (en) | Water-cooling spiral | |
| CN2436796Y (en) | Screw double-water inner cooling slag-cooling machine | |
| CN201280543Y (en) | Technical burner for water-coal-slurry gasification furnace | |
| CN1323260C (en) | Combustible powder swirl-flow combined burner | |
| CN201314801Y (en) | Double waterway spiral tube roller slag cooler | |
| CN207958277U (en) | A kind of burner | |
| CN201293581Y (en) | Tube bundle type highly effective cold slag | |
| CN107034329A (en) | One kind can be blown pluralities of fuel blast furnace copper coin tuyere case | |
| CN1962882A (en) | Tuyere cover of blast furnace | |
| CN112113438A (en) | High-temperature slag waste heat recycling system | |
| CN2903713Y (en) | Double-sided water-cooling drum type slag cooler | |
| CN201317787Y (en) | High temperature material transporting auger | |
| CN101424487B (en) | High-temperature material handling spiral | |
| CN102212632B (en) | Air-cooled blast-furnace tuyere and air supply system thereof | |
| CN101000216A (en) | Air slag hole middle sleeve and manufacturing method thereof | |
| CN1853825A (en) | Producer and production for duplexing-metal water-cooled wall piping assembly of boiler | |
| CN102191346A (en) | Combined tuyere small sleeve | |
| CN214065732U (en) | Side-blown converter cast copper nozzle water jacket | |
| CN210974741U (en) | Tuyere sleeve of blast furnace | |
| CN202133287U (en) | Combined tuyere small sleeve | |
| CN203281368U (en) | Wear-resistant steel ball coal mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010627 |