CN207035865U - A kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus - Google Patents
A kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus Download PDFInfo
- Publication number
- CN207035865U CN207035865U CN201720774358.9U CN201720774358U CN207035865U CN 207035865 U CN207035865 U CN 207035865U CN 201720774358 U CN201720774358 U CN 201720774358U CN 207035865 U CN207035865 U CN 207035865U
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- CN
- China
- Prior art keywords
- wear
- exchange apparatus
- tube body
- resistant sleeve
- dust
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- 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 - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus, wherein, wear-resistant sleeve, in dust-precipitator heat-exchange apparatus, wear-resistant sleeve has tube body and outer portion；Tube body in a tubular form, in one end of the pipeline of heat-exchange apparatus；Outer portion is located at one end of tube body, is stretched out by the end of tube body and is formed, and outer portion is outside the end of the pipeline of heat-exchange apparatus.The utility model has the advantages that rational in infrastructure, effective protection cooling tube.
Description
Technical field
The utility model belongs to field of heat exchange, more particularly to a kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus.
Background technology
At present, in the dust collecting system of the industry such as cement producing line kiln hood, from the dust-laden hot gas highest of cement kiln head out
Temperature is up to 450 DEG C of even more highs, it is necessary to which high temperature hot gas is cooled by heat exchanger before dust-precipitator is entered.It is high
Warm dusty gas enters heat exchanger by pipeline, and passes through several rows of cooling tube, then by outside cooling blower blow, with up to
To the effect of cooling.This high-temperature gas contains the dust granules of kiln hood clinker, and temperature is high and abrasiveness is very strong.Work as gas
When measuring bigger, the gas flow rate of the cooling tube mouth of pipe can reach metre per second (m/s) more than 10, and dust granules hardness is very big, has high abrasiveness,
The cooling tube mouth of pipe is often washed away, causes the mouth of pipe to be worn soon.
Utility model content
The utility model provides a kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus, the defects of to overcome prior art.
To achieve the above object, the utility model provides a kind of wear-resistant sleeve, wear-resisting in dust-precipitator heat-exchange apparatus
Sleeve pipe has tube body and outer portion；Tube body in a tubular form, in one end of the pipeline of heat-exchange apparatus；Outer portion is located at pipe
The one end in body portion, stretched out by the end of tube body and formed, outer portion is outside the end of the pipeline of heat-exchange apparatus.
Further, the utility model provides a kind of wear-resistant sleeve, can also have the feature that：Wherein, outer portion
The length direction of end face and tube body is perpendicular.
Further, the utility model provides a kind of wear-resistant sleeve, can also have the feature that：Wherein, outer portion
End face is connected with the inwall of tube body by smooth cambered surface.
The utility model also provides a kind of dust-precipitator heat-exchange apparatus, including several cooling tubes and above-mentioned wear-resistant sleeve；
Each cooling tube installs a wear-resistant sleeve, and wear-resistant sleeve is located at one end of the air inlet of cooling tube；The tube body of wear-resistant sleeve is set
In in the end of cooling tube, outer portion is outside the end of cooling tube.
Further, the utility model provides a kind of dust-precipitator heat-exchange apparatus, can also have the feature that：Wherein,
The external diameter of tube body and the internal diameter of cooling tube match, and tube body is stuck in pipeline.
Further, the utility model provides a kind of dust-precipitator heat-exchange apparatus, can also have the feature that：Wherein,
Outer portion covers the end face of cooling tube.
Further, the utility model provides a kind of dust-precipitator heat-exchange apparatus, can also have the feature that：Wherein,
The length of tube body is 180-200mm.
Further, the utility model provides a kind of dust-precipitator heat-exchange apparatus, can also have the feature that：Wherein,
The wall thickness of tube body is more than the wall thickness of cooling tube.
Further, the utility model provides a kind of dust-precipitator heat-exchange apparatus, can also have the feature that：Also include
Air inlet pipe, inlet plenum, air inlet orifice plate, outlet orifice plate, discharge chamber and escape pipe；One end of air inlet pipe connects with inlet plenum；Air inlet
Orifice plate is fixed on the side of inlet plenum, and air inlet orifice plate has several air admission holes, connected with inlet plenum；One end of escape pipe is with going out
Air chamber connects；Outlet orifice plate is fixed on the side of discharge chamber, and outlet orifice plate has several ventholes, connected with discharge chamber；It is cold
But the both ends of pipe are corresponded with air admission hole and venthole respectively, and one end of cooling tube is fixed in air admission hole, are connected with inlet plenum
Logical, the other end is fixed in venthole, is connected with discharge chamber；Wear-resistant sleeve is located at one end being located in air admission hole of cooling tube.
The beneficial effects of the utility model are：The utility model provides a kind of wear-resistant sleeve and dust-precipitator heat exchange is set
It is standby, wherein, wear-resistant sleeve is located at one end of cooling tube, has tube body and two, an outer portion part, the external diameter of tube body with it is cold
But the internal diameter of pipe matches, and can be stuck in the end of cooling tube, and outer portion covers the end face of the end outside the end.It is resistance to
Grinding set pipe can protect the mouth of pipe of cooling tube, avoid the dust granules erosive wear cooling tube mouth of pipe in the air-flow of entrance at a high speed,
Extend the service life of cooling tube.The utility model has the advantages that rational in infrastructure, effective protection cooling tube.
Brief description of the drawings
Fig. 1 is the front view of dust-precipitator heat-exchange apparatus.
Fig. 2 is the top view of dust-precipitator heat-exchange apparatus.
Fig. 3 is Fig. 2 A-A profiles.
Fig. 4 is the enlarged drawing in I region in Fig. 3.
Embodiment
Illustrate specific embodiment of the present utility model below in conjunction with accompanying drawing.
As Figure 1-4, the utility model provides a kind of dust-precipitator heat-exchange apparatus, including air inlet pipe 1, inlet plenum 2, enters
The cooling tube 4, three of spiracular plate 3, three wear-resistant sleeve 5, outlet orifice plate 6, discharge chamber 7 and escape pipe 8.
The dusty gas of high temperature is introduced heat exchanger by air inlet pipe 1.One end of air inlet pipe 1 connects with inlet plenum 2.
Inlet plenum 2 is hollow.
Air inlet orifice plate 3 is fixed on the side of inlet plenum 2, forms a side of inlet plenum 2.Air inlet orifice plate 3 has some
Individual equally distributed air admission hole, is connected with inlet plenum 2.
Discharge chamber 7 is hollow.
Outlet orifice plate 6 is fixed on the side of discharge chamber 7, forms a side of discharge chamber 7.Outlet orifice plate 6 has some
Individual equally distributed venthole, is connected with discharge chamber 7.
One end of escape pipe 8 connects with discharge chamber 7.Escape pipe 8 will exchange heat cooling after gas discharge heat exchanger.
Wherein, air inlet pipe 1 matches with escape pipe 8, and inlet plenum 2 matches with discharge chamber 7, i.e., gas enter flow with
The flow of discharge is equal.
The both ends of cooling tube 4 correspond with the venthole on the air admission hole on air inlet orifice plate 3 and outlet orifice plate 6 respectively.
One end of cooling tube 4 is fixed in the air admission hole of air inlet orifice plate 3, is connected with inlet plenum 2, and the other end of cooling tube 4 is fixed on out
In the venthole of spiracular plate 6, connected with discharge chamber 7.
The quantity of cooling tube 4 is equal with the quantity of wear-resistant sleeve 5.Each cooling tube 4 installs a wear-resistant sleeve 5.It is wear-resisting
The fixing card of sleeve pipe 5 is in one end being located in air admission hole of cooling tube 4.
Wear-resistant sleeve 5 has tube body 51 and 52 two, outer portion part.Tube body 51 is in a tubular form.Outer portion 52 is located at pipe
The one end in body portion 51, stretched out by the end of tube body 51 and formed.
The internal diameter of the external diameter of tube body 51 and cooling tube 4 matches, and tube body 51 is stuck in the end of cooling tube 4.Outer
Portion 52 covers the end face of cooling tube 4 outside the end of cooling tube 4, to protect the inlet end portion of cooling tube 4.
Wherein, the end face 521 in outer portion 52 and the length direction of tube body 51 are perpendicular, so as to increase wear-resistant sleeve 5 with
The contact area of dusty gas, avoid dusty gas from being flushed on cooling tube 4, damage cooling tube 4.
The end face 521 in outer portion 52 is connected with the inwall of tube body 51 by smooth cambered surface 522, and cambered surface 522 can have
Effect guiding dusty gas uniformly flows into cooling tube 4.
Wherein, the length of tube body 51 is 180-200mm.
The wall thickness of tube body 51 is more than the wall thickness of cooling tube 4.
The material of wear-resistant sleeve 5 is ceramics, can high temperature resistant, wear-resistant.
During work, the dusty gas (as shown in solid arrow in Fig. 1-3) of high temperature enters inlet plenum 2 by air inlet pipe 1, then
Even distribution enters three cooling tubes 4.Cooling gas (as represented by the arrows in the dashed line in figure 2) circulates outside cooling tube 4, with cooling tube 4
Interior high-temperature gas carries out heat exchange.Dusty gas after heat exchange fully enters discharge chamber 7, then is discharged by escape pipe 8.Its
In, wear-resistant sleeve 5 in cooling tube 4 it is possible to prevente effectively from cooling tube 4 by air-flow enter it is fashionable wash away, protection cooling tube 4 end
The opening part in portion.
Claims (9)
- A kind of 1. wear-resistant sleeve, in dust-precipitator heat-exchange apparatus, it is characterised in that：The wear-resistant sleeve has tube body and outer portion；The tube body in a tubular form, in one end of the pipeline of heat-exchange apparatus；The outer portion is located at one end of the tube body, is stretched out by the end of the tube body and is formed, the outer portion Outside the end of the pipeline of heat-exchange apparatus.
- 2. wear-resistant sleeve according to claim 1, it is characterised in that：Wherein, the end face in the outer portion and the length direction of the tube body are perpendicular.
- 3. wear-resistant sleeve according to claim 2, it is characterised in that：Wherein, the end face in the outer portion is connected with the inwall of the tube body by smooth cambered surface.
- A kind of 4. dust-precipitator heat-exchange apparatus, it is characterised in that：Wear-resistant sleeve including several cooling tubes and as described in any one in claim 1-3；Each cooling tube installs a wear-resistant sleeve, and the wear-resistant sleeve is located at the one of the air inlet of the cooling tube End；The tube body of the wear-resistant sleeve is in the end of the cooling tube, and the outer portion is located at the cooling tube Outside end.
- 5. dust-precipitator heat-exchange apparatus according to claim 4, it is characterised in that：Wherein, the internal diameter of the external diameter of the tube body and the cooling tube matches, and the tube body is stuck in the pipeline.
- 6. dust-precipitator heat-exchange apparatus according to claim 4, it is characterised in that：Wherein, the outer portion covers the end face of the cooling tube.
- 7. dust-precipitator heat-exchange apparatus according to claim 4, it is characterised in that：Wherein, the length of the tube body is 180-200mm.
- 8. dust-precipitator heat-exchange apparatus according to claim 4, it is characterised in that：Wherein, the wall thickness of the tube body is more than the wall thickness of the cooling tube.
- 9. dust-precipitator heat-exchange apparatus according to claim 4, it is characterised in that：Also include air inlet pipe, inlet plenum, air inlet orifice plate, outlet orifice plate, discharge chamber and escape pipe；One end of the air inlet pipe connects with the inlet plenum；The air inlet orifice plate is fixed on the side of the inlet plenum, and the air inlet orifice plate has several air admission holes, with it is described enter Air chamber connects；One end of the escape pipe connects with the discharge chamber；The outlet orifice plate is fixed on the side of the discharge chamber, and the outlet orifice plate has several ventholes, with it is described go out Air chamber connects；The both ends of the cooling tube are corresponded with the air admission hole and the venthole respectively, and one end of the cooling tube is fixed In the air admission hole, connected with the inlet plenum, the other end is fixed in the venthole, is connected with the discharge chamber；The wear-resistant sleeve is located at one end being located in the air admission hole of the cooling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774358.9U CN207035865U (en) | 2017-06-29 | 2017-06-29 | A kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774358.9U CN207035865U (en) | 2017-06-29 | 2017-06-29 | A kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035865U true CN207035865U (en) | 2018-02-23 |
Family
ID=61466112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720774358.9U Expired - Fee Related CN207035865U (en) | 2017-06-29 | 2017-06-29 | A kind of wear-resistant sleeve and dust-precipitator heat-exchange apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207035865U (en) |
-
2017
- 2017-06-29 CN CN201720774358.9U patent/CN207035865U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 |