CN113776348A - Anti-gushing scalding preventing device for blockage clearing of cement kiln cyclone preheater - Google Patents
Anti-gushing scalding preventing device for blockage clearing of cement kiln cyclone preheater Download PDFInfo
- Publication number
- CN113776348A CN113776348A CN202110916357.4A CN202110916357A CN113776348A CN 113776348 A CN113776348 A CN 113776348A CN 202110916357 A CN202110916357 A CN 202110916357A CN 113776348 A CN113776348 A CN 113776348A
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- Prior art keywords
- cyclone preheater
- cement kiln
- hole
- supporting seat
- supporting
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- 239000004568 cement Substances 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 206010053615 Thermal burn Diseases 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 description 30
- 230000000903 blocking effect Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 238000007689 inspection Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a gushing and scalding preventing device for cleaning a cement kiln cyclone preheater, which comprises a supporting seat, a baffle plate, supporting columns, springs, a protection part and a protective sleeve, wherein the supporting seat is arranged on the supporting seat; one end of the supporting seat is connected with the cyclone preheater, the other end of the supporting seat is movably connected with one end of the protection piece, and the other end of the protection piece is connected with the protection sleeve; the supporting seat is provided with a connecting hole and a counter bore, and at least two symmetrical supporting columns are distributed on the circumference of the bottom of the counter bore; the baffle is arranged in the counter bore, is connected with the support column through a spring and is suspended in the counter bore, and the baffle is provided with a first through hole. The invention has the characteristics of being used for protection during blockage removal of the cement kiln cyclone preheater, effectively avoiding damage to operators during blockage removal and the like.
Description
Technical Field
The invention relates to a gush and scald preventing device for blockage clearing of a cement kiln cyclone preheater.
Background
In the cement production process, raw meal powder with the fineness of 15 +/-2% is preheated and decomposed in each stage of preheater in a cyclone preheater system in a suspension state at the temperature of 300-900 ℃, and in the decomposition process, due to mismatching of operating parameters such as temperature, feeding amount, coal consumption, system air volume and the like, blockage can occur in the cyclone cylinder or the position of a blanking pipe of a certain stage of preheater, or the blockage fault is caused by poor sticky fluidity of material, or large crusts in the cyclone cylinder fall off, or the falling of castable in the cyclone cylinder. If the blockage can not be dredged in time, the raw material powder can be sticky and sintered under the high-temperature condition to form hard large blocks, the production is forced to stop seriously, huge loss is caused to enterprises, and the accident of scalding by the high-temperature powder is often caused in the blockage treatment process.
The preheater in the cement production enterprise has the material blockage fault point mainly at the cone part of the cyclone preheater and the position of the feeding pipe thereof, when the blockage is cleared, a crowbar is mainly worn by a person to wear a high-temperature-resistant protective clothes, and the pipe extends into the cone part of the cyclone preheater or the feeding pipe thereof from an inspection hole to be cleared, if harder crusting or pouring materials exist, the air pick and the pick drill rod are needed to be added to break the blockage. The cleaning process is difficult to avoid splashing of materials, some materials can fly out from the inspection hole, and high-temperature materials are easy to operate and hurt blocking cleaning personnel.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a surge and scald preventing device for blockage cleaning of a cement kiln cyclone preheater.
In order to realize the purpose of the invention, the following technical scheme is adopted:
a gushing and scalding preventing device for cleaning a cement kiln cyclone preheater comprises a supporting seat, a baffle, supporting columns, springs, a protection part and a protection sleeve; one end of the supporting seat is connected with the cyclone preheater, the other end of the supporting seat is movably connected with one end of the protection piece, and the other end of the protection piece is connected with the protection sleeve; the supporting seat is provided with a connecting hole and a counter bore, and at least two symmetrical supporting columns are distributed on the circumference of the bottom of the counter bore; the baffle is arranged in the counter bore, is connected with the support column through a spring and is suspended in the counter bore, and the baffle is provided with a first through hole.
The working principle is as follows:
checking the blocking position of the material through an inspection hole on the cyclone preheater, opening a hole close to the blocking position on the cyclone preheater, and installing the anti-gushing scalding device for blocking removal of the cyclone preheater of the cement kiln on the hole; the blockage removing tool penetrates through the gushing and scalding preventing device for blockage removal of the cement kiln cyclone preheater to remove blockage of blocked materials, and the materials falling or splashing during blockage removal are blocked by the gushing and scalding preventing device for blockage removal of the cement kiln cyclone preheater, so that the falling or splashing materials can be effectively prevented from touching blockage removing personnel.
As a further improvement of the technical scheme, the anti-surging scalding device for cleaning the blockage of the cement kiln cyclone preheater further comprises a bolt; the supporting seat is connected with the protection piece through bolts.
As a further improvement of the technical scheme, the anti-surging scalding device for cleaning the blockage of the cement kiln cyclone preheater further comprises a support and a support hole; at least three support seats are distributed on the circumferential side surface of the support seat; a plurality of supporting holes are distributed on the circumference of the bottom surface of the counter bore and used for mounting supporting columns.
As a further improvement of the technical scheme, the anti-surging scalding device for cleaning the blockage of the cement kiln cyclone preheater further comprises a hanging lug; and a plurality of hanging lugs are arranged on the circumferential side surface of the baffle.
As a further improvement of the technical scheme, the anti-surging scalding device for cleaning the blockage of the cement kiln cyclone preheater further comprises a second through hole and a through hole; a plurality of second through holes are distributed on the circumference of the circumferential edge of the protection part; the axial center of the protection piece is provided with a through hole.
As a further improvement of the technical scheme, the protective sleeve is in a conical cylinder structure; the large-diameter end of the conical cylinder structure is connected with the protection piece, and the small-diameter end of the conical cylinder structure is open.
As a further improvement of the technical scheme, the protective sleeve is made of high-temperature-resistant cloth.
As a further improvement of the technical scheme, the spring adopts a cylindrical spiral spring.
Compared with the prior art, the invention has the advantages that: the invention is applied to the blockage removal work of the cyclone preheater of the cement kiln, and can effectively prevent blockage materials generated by blockage removal from falling or splashing outwards, thereby effectively protecting blockage removal personnel; when clear stifled, clear stifled instrument passes in proper order behind the first through-hole, the supporting seat of lag, protection piece, baffle and extends to in the cyclone preheater and touch to the jam material, can clear up the material that blocks up with clear stifled instrument. When the materials generated by blockage removal fall into the supporting seat, the baffle blocks the materials in the supporting seat, so that the materials are prevented from further entering the protection part; sometimes, some fine materials may fall into the protection piece from the first through hole of the baffle plate, then the protection piece falls into the protection sleeve, and the protection sleeve blocks the materials from directly touching the blockage clearing personnel to play a second protection role.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of a surging and scalding preventing device for cleaning and plugging a cement kiln cyclone preheater, which is arranged on the cyclone preheater; the figure also shows that the blockage removing tool penetrates through the invention and extends into the cyclone preheater to remove blockage;
FIG. 2 is a schematic structural view of a gush and scald preventing device for cleaning a cement kiln cyclone preheater;
FIG. 3 is a schematic view of the present invention in an expanded configuration;
FIG. 4 is a schematic view of the connection between the support base and the baffle plate according to the present invention;
FIG. 5 is a schematic cross-sectional view of the supporting base of the present invention;
FIG. 6 is a schematic front view of the supporting base of the present invention;
FIG. 7 is a schematic view of the structure of the baffle plate of the present invention;
FIG. 8 is a left side view of the structure of FIG. 8;
FIG. 9 is a schematic view of a protective element according to the present invention;
FIG. 10 is a schematic view of the construction of the cone mounted to the cyclone preheater according to the present invention;
FIG. 11 is a schematic view of the structure of a downcomer installed in a cyclone preheater according to the present invention;
names and serial numbers of the components in the figure: 1-a gush and scald preventing device, 11-a protective sleeve, 12-a protective part, 121-a second through hole, 122-a through hole, 13-a bolt, 14-a support column, 15-a baffle, 151-a first through hole, 152-a hanging lug, 16-a support seat, 161-a support seat, 162-a connecting hole, 163-a counter bore, 164-a support hole, 17-a spring, a 2-cyclone preheater and 3-a blockage removing tool.
Detailed Description
In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application shall fall within the protection scope of the present application.
Example 1:
as shown in fig. 1-11, the device for preventing the cement kiln cyclone preheater from being splashed and scalded for cleaning the blockage comprises a supporting seat 16, a baffle 15, a supporting column 14, a spring 17, a protection part 12 and a protective sleeve 11; one end of the supporting seat 16 is connected with the cyclone preheater 2, the other end thereof is movably connected with one end of the protection piece 12, and the other end of the protection piece 12 is connected with the protection sleeve 11; the support base 16 is provided with a connecting hole 162 and a counter bore 163, and at least two symmetrical support columns 14 are distributed on the circumference of the bottom of the counter bore 163; the baffle 15 is disposed in the counterbore 163, connected with the support column 14 through the spring 17, and suspended in the counterbore 163, and the baffle 15 is provided with a first through hole 151.
When the baffle 15 is installed in the counterbore 163, the baffle 15 can be installed by fitting the bottom surface of the counterbore 163, so that the distance between the baffle and the bottom surface of the counterbore is reduced, and the material can be better prevented from falling to the protection part.
The working mode is as follows:
firstly, checking the blocking position of a material through an inspection hole on the cyclone preheater, then forming a hole on the cyclone preheater close to the blocking position, and installing the anti-gushing scalding device for cleaning the blocking of the cyclone preheater of the cement kiln on the hole.
When the blockage is cleared, the blockage clearing tool 3 sequentially penetrates through the protecting sleeve 11, the protecting part 12, the first through hole of the baffle 15 and the supporting seat 16 and then extends into the cyclone preheater and touches the blocked materials, and then the blocked materials can be cleared by the blockage clearing tool.
The blockage removing tool 3 penetrates through the baffle plate 15, the baffle plate 15 is in a suspended state in the supporting column 14 through the spring 17, and the baffle plate 15 plays a supporting role in supporting the blockage removing tool 3; the baffle 15 can swing relative to the counter bore 163 of the supporting seat 16 under the action of the spring 17, so that the blockage removing tool 3 can swing by means of the baffle 15, and the cleaning range of the blockage removing tool 3 can be greatly enlarged.
In the blockage removing process, some cleaned materials fall into the holes and fall into the supporting seat 16, at the moment, the baffle 15 blocks the materials and prevents the materials from entering the protection part 12. Sometimes, some fine materials may fall into the protection member 12 from the first through hole 151 of the baffle 15, and then the protection member 12 falls into the protection sleeve 11, so that the protection sleeve 11 blocks the materials from directly contacting the blockage clearing personnel, thereby playing an effective protection role.
Example 2:
compared with example 1, the difference is that: a connecting structure form of the supporting seat and the protection part is provided.
The support base 16 is connected with the protection part 12 through a bolt 13. The bolt can be convenient for splice and separation between supporting seat and the protection piece.
Example 3:
compared with the embodiment 2, the difference lies in that: in order to facilitate the connection of the supporting seat and the protecting part, a support 161 is added; to facilitate the mounting of the support posts in the counterbores, support holes 164 are added.
At least two supporting seats 161 are distributed on the circumferential side surface of the supporting seat 16. The holder 161 is for movably connecting the support base with the guard. The number of standoffs 161 is typically 2, 3, 4, 6, or 8, etc.
One end of the screw in the bolt 13 penetrates through the protection member 12 and the support 161 and is connected with the nut.
A plurality of support holes 164 are distributed on the circumference of the bottom surface of the counter bore 163, and the support holes 164 are used for installing the support columns 14.
The support column 14 is inserted into the support hole 164 and is fastened to the support hole 164.
Example 4:
compared with any of the embodiments 1 to 3, the difference is that: in order to facilitate the connection of the spring to the baffle, a suspension lug 152 is additionally installed.
The baffle 15 is provided with a plurality of hanging lugs 152 on the circumferential side surface. The suspension lug 152 is connected to the support column 14 by a spring 13.
Example 5:
compared with any of examples 1 to 4, the difference is that: in order to facilitate the connection between the protection piece and the supporting seat, a second through hole 121 is additionally arranged; in order to facilitate the communication between the protection member and the first through hole of the baffle, a through hole 122 is formed on the protection member.
A plurality of second through holes 121 are circumferentially distributed on the circumferential edge of the protection member 12. The second through hole is formed corresponding to the support 161 on the support base 16, so that the second through hole on the protection member and the support base on the support base can be conveniently installed in alignment, and the protection member and the support base can be conveniently spliced by a bolt penetrating through the second through hole and the support base.
The axial center of the guard 12 is opened with a through hole 122. The guard 12 communicates with a counterbore 163 in the support base 16 with a through hole 122.
Example 6:
compared with any of examples 1 to 5, the difference is that: one form of construction of the protective sleeve is given.
The protective sleeve 11 is in a conical barrel structure; the large diameter end of the conical cylinder structure is connected with the protection member 12, and the small diameter end of the conical cylinder structure is open.
The small diameter end of the cone is directed outwardly relative to the shield 12, thereby effectively preventing material from continuing to fall outwardly when material falls into the shield.
Example 7:
compared with any of examples 1 to 6, the difference is that: a material for manufacturing the protective sleeve is provided.
The protective sleeve 11 is made of high-temperature-resistant cloth.
Example 8:
compared with any of examples 1 to 7, the difference is that: one form of construction of the spring is given.
The spring 17 is a cylindrical coil spring.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a cement kiln cyclone preheater is clear stifled with preventing spouting scald device that gushes which characterized in that: the anti-surging scalding device comprises a supporting seat (16), a baffle plate (15), a supporting column (14), a spring (17), a protection piece (12) and a protective sleeve (11);
one end of the supporting seat (16) is connected with the cyclone preheater (2), the other end of the supporting seat is movably connected with one end of the protection piece (12), and the other end of the protection piece (12) is connected with the protective sleeve (11);
the supporting seat (16) is provided with a connecting hole (162) and a counter bore (163), and at least two symmetrical supporting columns (14) are distributed on the circumference of the bottom of the counter bore (163);
the baffle (15) is arranged in the counter bore (163), is connected with the supporting column (14) through a spring (17), is suspended in the counter bore (163), and is provided with a first through hole (151).
2. The cement kiln cyclone preheater blockage removal surge-prevention scalding device according to claim 1, which is characterized in that: further comprising a bolt (13);
the supporting seat (16) is connected with the protection piece (12) through a bolt (13).
3. The cement kiln cyclone preheater blockage removal surge-prevention scalding device according to claim 1, which is characterized in that: the support also comprises a support seat (161) and a support hole (164);
at least two supports (161) are distributed on the circumferential side surface of the support seat (16);
a plurality of supporting holes (164) are distributed on the circumference of the bottom surface of the counter bore (163), and the supporting holes (164) are used for installing supporting columns (14).
4. The device for preventing the blowout and scalding for the blockage removal of the cement kiln cyclone preheater as claimed in any one of claims 1 to 3, is characterized in that: also comprises a suspension lug (152);
the circumferential side surface of the baffle (15) is provided with a plurality of hanging lugs (152).
5. The cement kiln cyclone preheater blockage removal surge-prevention scalding device according to claim 4, wherein the surge-prevention scalding device comprises: the device also comprises a second through hole (121) and a through hole (122);
a plurality of second through holes (121) are distributed on the circumference of the circumferential edge of the protection piece (12);
the axial center of the protection piece (12) is provided with a through hole (122).
6. The cement kiln cyclone preheater blockage removal surge-prevention scalding device according to claim 1, which is characterized in that: the protective sleeve (11) is of a conical barrel structure; the large diameter end of the conical cylinder structure is connected with the protection piece (12), and the small diameter end of the conical cylinder structure is open.
7. The device for preventing the cement kiln cyclone preheater from being gushed and scalded for clearing the blockage according to the claim 1 or 6, is characterized in that: the protective sleeve (11) is made of high-temperature-resistant cloth.
8. The anti-surging scalding device for blockage removal of the cement kiln cyclone preheater as claimed in any one of claims 1 to 3 and 6, wherein: the spring (17) is a cylindrical spiral spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110916357.4A CN113776348B (en) | 2021-08-11 | 2021-08-11 | Device for preventing blowout and scalding for cleaning blockage of cyclone preheater of cement kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110916357.4A CN113776348B (en) | 2021-08-11 | 2021-08-11 | Device for preventing blowout and scalding for cleaning blockage of cyclone preheater of cement kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113776348A true CN113776348A (en) | 2021-12-10 |
| CN113776348B CN113776348B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110916357.4A Active CN113776348B (en) | 2021-08-11 | 2021-08-11 | Device for preventing blowout and scalding for cleaning blockage of cyclone preheater of cement kiln |
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| CN (1) | CN113776348B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754593A (en) * | 2022-04-13 | 2022-07-15 | 河北科技大学 | Blockage clearing mechanical device for preheater of cement kiln |
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| DE3919715C1 (en) * | 1989-06-16 | 1990-09-27 | O & K Orenstein & Koppel Ag, 1000 Berlin, De | Cyclone heat exchanger for powders - has tapered outlet connected to enlarged second with sloping part, opening into discharge pipe |
| EP0406481A1 (en) * | 1989-06-16 | 1991-01-09 | O&K Orenstein & Koppel Aktiengesellschaft | Process and apparatus for the prevention or removal as appropriate of blockages in the outlet region of a cyclone heat-exchanger |
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| CN110296612A (en) * | 2018-03-22 | 2019-10-01 | 上海胜僖汽车配件有限公司 | A kind of device removing blast furnace oxide |
| CN110307716A (en) * | 2019-07-02 | 2019-10-08 | 江西银杉白水泥股份有限公司 | The structures and methods of skinning in a kind of removal rotary kiln |
| CN210650225U (en) * | 2019-08-27 | 2020-06-02 | 许贯民 | Carbon dioxide blockage remover |
| CN212673818U (en) * | 2020-07-25 | 2021-03-09 | 涿鹿金隅水泥有限公司 | Anti-accumulation structure of preheater cyclone |
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2021
- 2021-08-11 CN CN202110916357.4A patent/CN113776348B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3726045A (en) * | 1968-03-20 | 1973-04-10 | Smidth & Co As F L | Abrasion of caking |
| DE3919715C1 (en) * | 1989-06-16 | 1990-09-27 | O & K Orenstein & Koppel Ag, 1000 Berlin, De | Cyclone heat exchanger for powders - has tapered outlet connected to enlarged second with sloping part, opening into discharge pipe |
| EP0406481A1 (en) * | 1989-06-16 | 1991-01-09 | O&K Orenstein & Koppel Aktiengesellschaft | Process and apparatus for the prevention or removal as appropriate of blockages in the outlet region of a cyclone heat-exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754593A (en) * | 2022-04-13 | 2022-07-15 | 河北科技大学 | Blockage clearing mechanical device for preheater of cement kiln |
| CN114754593B (en) * | 2022-04-13 | 2023-10-20 | 河北科技大学 | Clear stifled mechanical device of cement kiln pre-heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113776348B (en) | 2023-10-31 |
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