CN204786369U - Cold sediment barrel body of diaphragm type - Google Patents
Cold sediment barrel body of diaphragm type Download PDFInfo
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- CN204786369U CN204786369U CN201520379606.0U CN201520379606U CN204786369U CN 204786369 U CN204786369 U CN 204786369U CN 201520379606 U CN201520379606 U CN 201520379606U CN 204786369 U CN204786369 U CN 204786369U
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Abstract
The utility model relates to a cold sediment barrel body of diaphragm type, including outer barrel, outer barrel is formed by a plurality of inlet tubes and wet return annular assembly welding and forms the cooling water cavity, the welding of the internal side of urceolus spiral is arranged and is a plurality ofly produced leading the sediment blade and can slowly throwing down the vertical blade with formation sediment curtain with the ash and clinker zone behind a take the altitude from the barrel bottom of prorsad motive force along with the rotation of barrel to the lime -ash, the internal multiunit heat transfer bank of tubes that is equipped with of urceolus, the heat transfer bank of tubes pass through the elbow with the urceolus body group welds and forms the water loop together, every group heat transfer bank of tubes is absolute construction. The utility model discloses compact structure, the bearing capacity is strong, light in weight, stifled sediment, and set up the heat transfer bank of tubes on the basis of the cold sediment machine of traditional diaphragm type makes cold sediment machine increase 30% -40% with effective heat exchange area more former basis not increasing under the large size prerequisite, can promote the heat transfer ability of cold sediment machine by a wide margin, satisfies to cool the designing requirement that the sediment machine exerted oneself greatly.
Description
Technical field
The utility model belongs to membrane type cold slag machine drum body technical field, is specifically related to a kind of membrane type cold slag machine drum body.
Background technology
Lag cooler is one of auxiliary equipment of CFBB indispensability, for the cooling of circulating fluid bed boiler slag, lime-ash is generally needed to be cooled to 150 DEG C even lower by 900 DEG C, lime-ash carries out heat exchange by lag cooler and cooling water, by the cooling water circulated, lime-ash major part heat is taken away, ash temperature can be transported by slag-conveying device or be stored into slag storehouse after reducing.Along with developing rapidly of circulating fluidized bed technique, boiler slag removal amount is large, cooling water pressure is also high, and this wants large with regard to requiring supporting lag cooler to exert oneself, and bearing capacity wants high.
Traditional jacket type lag cooler needs to increase cylindrical shell steel plate wall thickness in order to meet the bearing capacity of lag cooler, but along with the increase of cylindrical shell steel plate thickness, its steel plate consumptive material also gets more and more, bring welding, the series of problems such as unstability, the more important thing is that its heat exchange resistance is also increasing, reduce the heat transfer efficiency of lag cooler, directly affect exerting oneself of lag cooler, and its cylindrical shell of membrane type lag cooler forms by extended surface tube assembly welding, because the little withstand voltage properties of caliber significantly promotes, and potential safety hazard is little, but traditional membrane type lag cooler only adopts membrane wall structure to carry out the lifting of voltage endurance capability, although when barrel dliameter is equal, the girth of plate cylinder must be bigger than after the arc length expansion of pipe, but heat exchange area is still difficult to the service requirement reaching the large quantity of slag of large-sized unit, and lime-ash is shorter in the inner barrel time of staying, good heat transfer effect can not be obtained.
Therefore, how improving the bearing capacity of barrel slag cooler and in limited space, reduce thermal resistance promote its exchange capability of heat, and reducing rolled steel dosage, being convenient to operating maintenance in the future, is those skilled in the art's problem demanding prompt solutions.
Utility model content
The purpose of this utility model is solve above-mentioned technical problem and provide a kind of membrane type cold slag machine drum body.
For achieving the above object, the utility model adopts following technical scheme:
A kind of membrane type cold slag machine drum body, comprise outer cylinder body, described outer cylinder body is formed by some water inlet pipes and return pipe annular assembly welding and forms cooling water cavity, inside described outer cylinder body spiral welded arrange some along with the rotation of cylindrical shell to lime-ash produce motive force forward lead slag blade and can from cylinder body bottom lime-ash is taken to slowly throw after certain altitude to form the longitudinal blade of slag curtain, be provided with many group heat exchanger tube rows in described outer cylinder body, described heat exchanger tube row forms water loop by elbow together with described outer cylinder body assembly welding; Often organize heat exchanger tube row and be absolute construction.
Described heat exchanger tube row is 3 groups.
Described heat exchanger tube row is fixed by pipe row geometrical clamp.
Described pipe row's geometrical clamp and described outer cylinder body are welded and fixed.
The utility model membrane type cold slag machine drum body, compact conformation, bearing capacity is strong, lightweight, stifled slag, and set up heat exchanger tube row on the basis of traditional membrane type lag cooler, makes lag cooler, under the prerequisite of not increased in size, more former for effective heat exchange area basis be increased 30%-40%, significantly can promote the exchange capability of heat of lag cooler, meet the designing requirement that lag cooler is exerted oneself greatly.
Accompanying drawing explanation
Figure 1 shows that the outline drawing of the membrane type cold slag machine drum body that the utility model embodiment provides;
Figure 2 shows that Fig. 1 is along A-A line cross-sectional view (omitting heat exchanger tube row);
Figure 3 shows that Fig. 1 is along A-A line cross-sectional view (omit and lead slag blade);
Figure 4 shows that Fig. 1 is along B-B line cross-sectional view.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
Refer to shown in Fig. 1 ~ 4, a kind of membrane type cold slag machine drum body, comprise outer cylinder body 1, lead slag blade 2, heat exchanger tube row 3, elbow 4, longitudinal blade 5, pipe row geometrical clamp 6; Inside described outer cylinder body 1 spiral welded be evenly arranged some described in lead slag blade 2 and some described longitudinal blades 5, described heat exchanger tube row 3 forms water loop by elbow 4 together with described outer cylinder body 1 assembly welding; Pipe row geometrical clamp 6 is in order to fixing heat exchanger tube row 3, after pipe ranking is put and is determined, pipe is arranged geometrical clamp 6 and outer cylinder body 1 solid welding, heat exchanger tube row 3 is many groups, be evenly arranged on the inwall of described outer cylinder body 1, and often group heat exchanger tube row 3 is absolute construction, be independent of each other, being in operation can off-the-line or maintenance separately.
Wherein, outer cylinder body 1 is formed by some water inlet pipes and return pipe annular assembly welding and forms cooling water cavity, during lag cooler work, cooling water spinning joint enters water inlet pipe, the return pipe of outer cylinder body 1, complete a water cooling, cooling water enters heat exchanger tube row 3 from elbow 4, then participates in a heat exchange; Often organize described heat exchanger tube row 3 to be welded by three cooling water pipe simmering and bending, the pipe of cooling water pipe is connected to strengthen intensity with fin with between pipe.
Red-hot lime-ash then enters in outer cylinder body 1 from slag inlet, because leading slag blade 2 for screw arrangement, along with the rotation of cylindrical shell, can to lime-ash generation motive force forward, lime-ash moves to slag output end from slag input end, and heat is passed to leads slag blade 2, lead slag blade 2 and heat is passed to cooling water in outer cylinder body 1 tubing, or directly by heat exchanger tube row 3, heat is passed to cooling water.
Preferably, because heat exchanger tube row 3 and the angled layout of Barrel alignment, and be directly embedded in lime-ash, " pocket slag " effect can be played, lime-ash can be rotated in cylindrical shell with cylindrical shell and stop the longer time, better heat and cooling water are transmitted.
Meanwhile, the uniform some longitudinal blades 5 be welded with inside outer cylinder body 1 from slag to take to after certain altitude and slowly throws by the bottom of cylindrical shell, can be formed slag curtain, lime-ash heat are better discharged.
The utility model compared with prior art, has following characteristics:
1, outer cylinder body is formed by light-wall pipe annular assembly welding, and because its caliber is little, tube wall is thin, therefore its bearing capacity is stronger, and heat exchange resistance is less, can significantly promote lag cooler exchange capability of heat;
2, under the prerequisite not increasing lag cooler size, arrange some groups of heat exchanger tube rows in inner barrel, be not that very high cooling water backwater participates in a heat exchange again by temperature, add heat exchange area, improve the utilization rate of heat transfer effect and cooling water, significantly increase exerting oneself of lag cooler;
3, pipe row and the angled layout of Barrel alignment, and be directly embedded in lime-ash, " pocket slag " effect can be played, lime-ash can be rotated in cylindrical shell with cylindrical shell and stop the longer time, extend effective heat-exchange time, make tapping temperature lower;
4, multi units tube arranges absolute construction each other, is independent of each other, and can carry out off-the-line separately, convenient maintenance in the future;
5, some longitudinal blades of arranging of cylinder inboard wall from slag to take to after certain altitude and slowly throws by the bottom of cylindrical shell, can be formed slag curtain, can constantly update the heat exchange surface of slag like this, lime-ash heat is better discharged.
Although be described the utility model with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (4)
1. a membrane type cold slag machine drum body, it is characterized in that, comprise outer cylinder body, described outer cylinder body is formed by some water inlet pipes and return pipe annular assembly welding and forms cooling water cavity, inside described outer cylinder body spiral welded arrange some along with the rotation of cylindrical shell to lime-ash produce motive force forward lead slag blade and can from cylinder body bottom lime-ash is taken to slowly throw after certain altitude to form the longitudinal blade of slag curtain, be provided with many group heat exchanger tube rows in described outer cylinder body, described heat exchanger tube row forms water loop by elbow together with described outer cylinder body assembly welding; Often organize heat exchanger tube row and be absolute construction.
2. membrane type cold slag machine drum body as claimed in claim 1, is characterized in that, described heat exchanger tube row is 3 groups.
3. membrane type cold slag machine drum body as claimed in claim 1 or 2, is characterized in that, described heat exchanger tube row is fixed by pipe row geometrical clamp.
4. membrane type cold slag machine drum body as claimed in claim 3, is characterized in that, described pipe row's geometrical clamp and described outer cylinder body are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379606.0U CN204786369U (en) | 2015-06-04 | 2015-06-04 | Cold sediment barrel body of diaphragm type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379606.0U CN204786369U (en) | 2015-06-04 | 2015-06-04 | Cold sediment barrel body of diaphragm type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204786369U true CN204786369U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520379606.0U Active CN204786369U (en) | 2015-06-04 | 2015-06-04 | Cold sediment barrel body of diaphragm type |
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| CN (1) | CN204786369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204586A (en) * | 2018-01-17 | 2018-06-26 | 江苏新方圆电气设备制造有限公司 | A kind of cylinder part for being capable of quick slagging for membrane type lag cooler |
| EP3323898B1 (en) | 2016-11-18 | 2019-06-26 | Steb S.r.l. | System, drum and method for cooling and recycling white slag used in a steel production process description |
-
2015
- 2015-06-04 CN CN201520379606.0U patent/CN204786369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3323898B1 (en) | 2016-11-18 | 2019-06-26 | Steb S.r.l. | System, drum and method for cooling and recycling white slag used in a steel production process description |
| CN108204586A (en) * | 2018-01-17 | 2018-06-26 | 江苏新方圆电气设备制造有限公司 | A kind of cylinder part for being capable of quick slagging for membrane type lag cooler |
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