CN110487055B - A novel desiccator for producing cement - Google Patents
A novel desiccator for producing cement Download PDFInfo
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- CN110487055B CN110487055B CN201910812507.XA CN201910812507A CN110487055B CN 110487055 B CN110487055 B CN 110487055B CN 201910812507 A CN201910812507 A CN 201910812507A CN 110487055 B CN110487055 B CN 110487055B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention belongs to the technical field of cement production equipment, and particularly relates to a novel dryer for producing cement. According to the invention, the electric heating wire, the exhaust fan, the exhaust pipe, the exhaust hood and the filter screen are arranged on the drying machine shell, so that the basic dehumidifying and drying are ensured, and the effect of preventing cement raw materials from being sucked into the exhaust fan is avoided. The heating and dehumidifying device has the advantages of reasonable and effective heating and dehumidifying structure, convenience in operation, great improvement of drying efficiency, flexible and effective filtering function in the dehumidifying process, prevention of cement particles from entering the air exhauster, flexible and adjustable effective filtering and intercepting area of the filter screen, convenience in removal of originally intercepted particles after the filter screen is pulled and slides, great reduction of air inflow in air draft, and low overall heating and dehumidifying efficiency.
Description
Technical Field
The invention belongs to the technical field of cement production equipment, and particularly relates to a novel dryer for producing cement.
Background
The cement production process mainly comprises the main steps of raw material pretreatment, raw material grinding and mixing, cement mixture calcining treatment, split charging and the like, wherein a dryer is needed to dry and remove water from raw materials such as limestone, clay and the like so as to meet the cement production requirements.
The existing cement raw material drying machine is only used for heating and drying on a raw material conveying belt, and a water vapor generated by drying and evaporation lacks a pumping-away discharging structure, so that the drying efficiency is greatly reduced, and therefore a high-efficiency novel drying machine for cement raw materials is urgently needed in the market.
The patent publication No. CN 205784443U, Chinese utility model patent publication No. 2016.12.07 discloses a cement raw material drying device, which comprises a case, a drying tube, an electric heating ring, a spiral roller, a motor and a blower; the drying tube, the motor and the blower are all positioned in the case, the electric heating coil is cylindrical and is sleeved on the outer surface of the drying tube, the spiral roller is positioned in the drying tube, the motor is connected with the spiral roller through a driving belt, and the blower is connected with the drying tube through an air pipe; a feeding port is formed in the upper end of the upstream of the drying pipe; a discharge hole is formed in the lower end of the downstream of the drying pipe; the connection part of the air pipe and the drying pipe is positioned at the lower end of the upstream of the drying pipe.
However, the drying device in the utility model has the problem of low drying efficiency.
Disclosure of Invention
The invention aims to provide a novel drier for producing cement, which can ensure basic dehumidifying and drying and avoid the effect of sucking cement raw materials into an exhaust fan by arranging an electric heating wire, the exhaust fan, an exhaust pipe, an exhaust hood and a filter screen on a drier shell, and the exhaust hood is provided with a net body end fixing unit, so that the filter screen can switch a filtering use area in a drawing sliding mode after being used for a period of time, and trapped raw material particles are removed, and the filtering and dehumidifying efficiency is prevented from being too low. The heating and dehumidifying device has the advantages of reasonable and effective heating and dehumidifying structure, convenience in operation, great improvement of drying efficiency, flexible and effective filtering function in the dehumidifying process, prevention of cement particles from entering the air exhauster, flexible and adjustable effective filtering and intercepting area of the filter screen, convenience in removal of originally intercepted particles after the filter screen is pulled and slides, great reduction of air inflow in air draft, and low overall heating and dehumidifying efficiency.
The technical scheme adopted by the invention for solving the problems is as follows: a novel drier for producing cement comprises a drier shell sleeved on a raw material conveyer belt, an electric heating wire arranged in the drier shell and positioned at the position below the raw material conveyer belt, the support column is arranged on the lower surface of the drying shell, the drying device also comprises an exhaust fan arranged on the upper surface of the drying shell, an exhaust pipe arranged on the exhaust fan and inserted on an upper layer plate of the drying shell, an exhaust hood in threaded connection with the exhaust pipe at the end position on the inner side of the drying shell, and a seal cover arranged on a filter screen of an air inlet below the exhaust hood, and set up respectively on two lateral surfaces of fan housing and slide through the pull the filter screen mode is in order to be used for switching the filter screen is located effective filtration edulcoration region of air inlet department and then removes down two dictyosome end fixed units of the raw materials granule that hold back on the filter screen.
The further preferred technical scheme is as follows: the vertical cross-sectional shape of aspirator is isosceles trapezoid, the upper end minor face of aspirator with the exhaust column spiro union, the interior convulsions passageway of seting up in the long limit of lower extreme, two end angle portion positions department of aspirator lower extreme all are equipped with two and are used for the filter screen walks around and the fixed roller of tensioning.
The further preferred technical scheme is as follows: net body end fixed unit includes the fixed slot, sets up filter screen side fixed part on the bottom in the fixed slot to and set up perpendicularly on the fixed slot medial surface and through jack-up and then folding the filter screen mode is in order to be used for the filter screen carries out the tensioning and loosens the jack-up column part that the pull was adjusted, a plurality of jack-up column part is in order to be used for the tensioning through alternating expression side direction jack-up mode the filter screen.
The further preferred technical scheme is as follows: the filter screen side fixed part is including setting up on the bottom surface in the fixed slot and the second fixed slot of cross-section for the major arc bow, and set up on the filter screen side and the embedding sets up net body side cylinder on the second fixed slot.
The further preferred technical scheme is as follows: jacking cylinder portion is including setting up in pairs fixed plate on the fixed slot medial surface sets up respectively sliding tray on the fixed plate medial surface in pairs sets up erection column in the sliding tray, both ends are respectively through seting up the mounting hole and then cup joint on the erection column and be used for the filter screen bypasses fixed jacking post, and cup joint the setting and be in on the erection column and through elasticity jack-up the jacking post mode is in order to be used for the tensioning the jacking spring of filter screen, a plurality of in the jacking cylinder portion the jacking post is in set up according to a left-right mode is crisscross in the fixed slot.
The further preferred technical scheme is as follows: the jacking column body further comprises a groove which is arranged on the fixing plate and located on the outer side of the sliding groove and used for clamping, an axial fixing hole which is arranged on the jacking column and communicated with the mounting hole, a plurality of screwing holes which are arranged on the mounting column, and a fixing bolt which is inserted into the groove and used for clamping, is rotationally fastened on the screwing holes and further is used for fixing the jacking column after sliding adjustment in a friction fastening mode on the outer side surface of the fixing plate.
The further preferred technical scheme is as follows: the jacking column part also comprises an elastic ring which is arranged on the ring surface of the inner side of the fixing bolt and is used for performing friction fastening on the outer side surface of the fixing plate.
The further preferred technical scheme is as follows: the jacking column part further comprises a plurality of column permanent magnet sheets arranged on the mounting column, and bolt end permanent magnet sheets arranged on the insertion end of the fixing bolt and used for fixing the jacking column after sliding adjustment in an elastic ring mode through mutual magnetic attraction of the column permanent magnet sheets and further compression.
The further preferred technical scheme is as follows: when the bolt end permanent magnet sheet and the cylinder permanent magnet sheet are mutually attracted by magnetic force, the compression deformation amount and the friction force of the elastic ring are smaller than those of the fixing bolt and the screwing hole in screwing, and the elastic ring is used when the filter screen intercepts lighter limestone powder.
The further preferred technical scheme is as follows: the screw holes and the column permanent magnet sheets are arranged at intervals and are uniformly distributed in a linear arrangement mode.
According to the invention, the electric heating wire, the exhaust fan, the exhaust pipe, the exhaust hood and the filter screen are arranged on the drying machine shell, so that the basic dehumidifying and drying are ensured, and the effect of preventing cement raw materials from being sucked into the exhaust fan is avoided. The heating and dehumidifying device has the advantages of reasonable and effective heating and dehumidifying structure, convenience in operation, great improvement of drying efficiency, flexible and effective filtering function in the dehumidifying process, prevention of cement particles from entering the air exhauster, flexible and adjustable effective filtering and intercepting area of the filter screen, convenience in removal of originally intercepted particles after the filter screen is pulled and slides, great reduction of air inflow in air draft, and low overall heating and dehumidifying efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of the position structure of the screen and the fixed roller of the present invention.
Fig. 3 is a schematic half-sectional structure view of the draft hood of the present invention.
Fig. 4 is a schematic view of the position structure of the net body end fixing unit according to the present invention.
Fig. 5 is a schematic top view of the jacking cylinder according to the present invention.
Fig. 6 is a schematic view of a fixing structure of the jack-up post of the present invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in the attached drawings 1, 2, 3, 4, 5 and 6, the novel dryer for producing cement comprises a drying casing 12 sleeved on a raw material conveying belt 11, an electric heating wire 13 arranged in the drying casing 12 and located at the position below the raw material conveying belt 11, supporting columns 14 arranged on the lower surface of the drying casing 12, an exhaust fan 1 arranged on the upper surface of the drying casing 12, an exhaust pipe 2 arranged on the exhaust fan 1 and inserted on an upper layer plate of the drying casing 12, an exhaust hood 3 arranged at the position of an end of the inner side of the drying casing 12 and provided with a sealing cover, a filter screen 4 arranged on an air inlet below the exhaust hood 3 and arranged on two outer side surfaces of the exhaust hood 3 respectively and sliding through drawing, and a filter screen 4 mode used for switching the filter screen 4 located at an effective filtering impurity removing area at the air inlet and further removing the filter screen 4 Two net body end fixing units 5 for the upper trapped raw material particles.
In this embodiment, the electric heating wire 13 ensures a basic heating effect, and the exhaust fan 1 and the exhaust pipe 2 are used for sucking away water vapor evaporated in the cement raw material, and can upwards exhaust hot air, so as to further improve the heating and drying effect.
On the other hand, as the lime stone or the clay of cement raw materials, can take place the fine particle at the dehumidification in-process and be extracted and enter into problem in the air exhauster 1, it is right air exhauster 1 causes harm, consequently filter screen 4 closing cap air draft cover 3 holds back the raw materials of fine particle through filtering the interception mode, further guarantees to dehumidify and adds the validity that filters the use, and dictyosome end fixed cell 5 then has two effects:
firstly, the tensioning the filter screen 4 avoids that the filter screen 4 is "sucked" into the draft hood 3.
Secondly, can slide adjusting filter screen 4, for example the middle zone for example filter screen 4 holds back appropriate amount of raw materials and when finding obviously reducing the ventilation volume of taking out the wet, slide and switch the closing cap the effective area of filtration of air extraction cover 3, the filter screen area of renewing continues to filter the interception, the filter screen area of original entrapment granule is then pulled up to one side, can replace the use once more after the cement raw materials granule is removed, guarantees wholly filter screen 4 is unlikely to because hold back too much cement raw materials granule and reduces the ventilation volume of taking out the wet, finally guarantees the high efficiency of heating dehumidification combined drying operation.
The vertical cross-sectional shape of aspirator 3 is isosceles trapezoid, the upper end minor face of aspirator 3 with 2 spiro unions of exhaust column, the interior convulsions passageway of seting up on the long limit of lower extreme, two end angle position departments of 3 lower extremes of aspirator all are equipped with two and are used for filter screen 4 bypasses and the fixed roller 6 of tensioning. Net body end fixed unit 5 includes fixed slot 501, sets up filter screen side fixed part 502 on the bottom surface in fixed slot 501, and set up perpendicularly on the fixed slot 501 medial surface and through jack-up and then folding filter screen 4 mode is in order to be used for the filter screen 4 carries out the tensioning and loosens the jack-up post part 503 that the pull was adjusted, a plurality of jack-up post part 503 is in order to be used for the tensioning through alternating expression side direction jack-up mode filter screen 4. The filter screen side end fixing portion 502 includes a second fixing groove 502a which is provided on the bottom surface in the fixing groove 501 and has a section of a major arc arch, and a mesh body side cylinder 502b which is provided on the side edge of the filter screen 4 and is embedded in the second fixing groove 502 a.
In this embodiment, the filter screen 4 is a conventional screen with a mesh size of about 100 meshes, the side cylinders 502b of the screen body are integrally formed on both sides of the screen body, and the screen body bypasses the plurality of jacking cylinder portions 503 and is clamped on the second fixing groove 502a, thereby ensuring the dual advantages of the installation and fixation effectiveness and the adjustable tensioning strength.
In addition, four fixed roller 6 is used for the rectangle filter screen 4 is walked around, two lower extremes regional for filtering the effective area between the fixed roller 6, works as when filtering the effective area and detaining a large amount of cement raw materials granule and influence the moisture absorption air input, the pull slides filter screen 4 will hold back the regional pulling of filter screen of cement raw materials granule extremely fixed roller 6 side, it is new filter screen 4 closing cap exhaust hood 3 is in order to filter again and is held back, and the side "old" filter screen region carries out raw materials granule and removes the operation, can guarantee wholly filter screen 4 can reciprocating sliding, used repeatedly, and need not reduce exhaust column 2's air input guarantees the high efficiency of dehumidifying, and then improves whole heating dehumidifying drying efficiency.
The jacking column part 503 comprises fixing plates 503a arranged on the inner side surfaces of the fixing grooves 501 in pairs, sliding grooves 503b arranged on the inner side surfaces of the fixing plates 503a in pairs respectively, mounting columns 503c arranged in the sliding grooves 503b, jacking springs 503f which are sleeved on the mounting columns 503c and used for tensioning the filter screen 4 and are provided with mounting holes 503d at two ends respectively and used for the filter screen 4 to bypass the fixing, and jacking columns 503f which are sleeved on the mounting columns 503c and used for jacking the jacking columns 503e through elasticity so as to tension the filter screen 4, wherein the jacking columns 503e in the jacking column part 503 are arranged in the fixing grooves 501 in a left-right mode in a staggered mode. The jack-up column part 503 further includes an engaging open groove 503g disposed on the fixing plate 503a and located outside the sliding groove 503b, an axial fixing hole 503h disposed on the jack-up column 503e and communicating with the mounting hole 503d, a plurality of screw holes 503k disposed on the mounting column 503c, and a fixing bolt 503m inserted into the engaging open groove 503g and frictionally fastened to the outer side surface of the fixing plate 503a by rotating the screw holes 503k for fixing the slidably adjusted jack-up column 503 e. The jack-up cylinder 503 further includes an elastic ring 503n provided on an inner circumferential surface of the fixing bolt 503m and configured to frictionally fasten an outer circumferential surface of the fixing plate 503 a. The jack-up column part 503 further includes a plurality of column permanent magnet pieces 503p provided on the mounting column 503c, and bolt end permanent magnet pieces 503q provided on the insertion end of the fixing bolt 503m and used for fixing the jack-up column 503e after sliding adjustment in such a manner that the bolt end permanent magnet pieces 503q are attracted by the magnetic force of the column permanent magnet pieces 503p to compress the elastic ring 503 n. When the bolt end permanent magnet pieces 503q and the column permanent magnet pieces 503p are mutually magnetically attracted, the compression deformation amount and the friction force of the elastic ring 503n are smaller than those when the fixing bolt 503m is screwed with the screwing hole 503k, and the elastic ring is used when the filter screen 4 traps lighter limestone powder. The screw holes 503k and the column permanent magnet pieces 503p are arranged at intervals and are uniformly arranged in a linear arrangement manner.
In this embodiment, the usage and advantages of the jack-up column 503 are as follows:
firstly, at the beginning, the filter screen 4 is close to the regional closing cap in middle part 3 lower extreme air intake of draft hood, and the middle part is regional to carry out the interception of fine particle and filters the use, and both sides this moment in the jacking column part 503 jacking post 503e all is close to the centre filter screen side end fixed part 502, but not completely in the middle of, both sides this moment jacking column part 503 all pulls up the tensioning part the filter screen 4.
Secondly, when the regional fine particle raw materials of department in middle part of filter screen 4 intercepts too much, when influencing the air volume by a wide margin, select one side jack-up column part 503, with this side jack-up column 503e adjust to middle part position department, more jack-up column 503e is close to the middle part of filter screen side end fixed part 502, then this side filter screen 4 is loosened, the tensioning of opposite side filter screen 4 can be accomplished filter screen 4 switches to the side region and filters, original middle region carries out the fine particle raw materials and removes down with treating reuse can, otherwise both sides jack-up column part 503 can change and let out and tighten up, last is used for filter screen 4 opposite side region filters the use, roughly, can with filter screen 4 divide into three left and right regions, corresponds respectively filter screen 4's three kinds of states: the left side is greatly loosened and the right side is tightened, the two sides are loosened together in a small range, and the right side is greatly loosened and the left side is tightened.
Thirdly, the jacking pillars 503e need to slide first and then be fixed to a suitable position to ensure that the filter screen 4 is tightened to a suitable position, at this time, if the raw material is limestone powder which is lighter in particle and easier to be sucked up, the sliding switching frequency of the filter screen 4 is required to be higher, at this time, a part of fixing strength is sacrificed, a mode of mutually magnetic attraction of the bolt end permanent magnet pieces 503q and the column permanent magnet pieces 503p is adopted to ensure that the jacking pillars 503e overcome the jacking elasticity of the jacking springs 503f and are fixed at a position for releasing the filter screen 4 with a suitable length, a plurality of jacking pillars 503e are properly drawn close to the middle of the filter screen side end fixing part 502, and then the filter screen 4 can be released, otherwise, the filter screen 4 is withdrawn.
Fourthly, when the raw materials is relatively heavier clay, the granule that filter screen 4 took out wet process and sucked up is less, can adopt this moment fixing bolt 503m with the mode of spiro union hole 503k spiro union guarantees that high strength after jack-up post 503e slide adjusting is fixed and need not frequently slide and change the effect in filter screen 4 service area, two kinds of fixed modes of jack-up post 503e, whether can be easily sucked up according to the raw materials kind is the selection foundation, guarantee filter screen 4's use flexibility.
Fifth, both of the two fixing methods of the jack-up column 503e have a static friction effect on the outer surface of the fixing plate 503a after the elastic ring 503n is compressed and deformed, and the static friction force is relatively small when magnetic attraction is not used, but is sufficient to fix the jack-up column 503 e.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (7)
1. The utility model provides a novel desiccator for producing cement, is including overlapping drying cabinet (12) on raw materials conveyer belt (11), set up in drying cabinet (12) and be located electric heating wire (13) of raw materials conveyer belt (11) below position department, and set up support column (14) on drying cabinet (12) lower surface, its characterized in that: the device is characterized by further comprising an exhaust fan (1) arranged on the upper surface of the drying machine shell (12), an exhaust pipe (2) arranged on the exhaust fan (1) in an inserting mode and arranged on an upper layer plate of the drying machine shell (12), an exhaust hood (3) arranged on the exhaust pipe (2) in a screwing mode and located at the end position of the inner side of the drying machine shell (12), a filter screen (4) arranged on an air inlet below the exhaust hood (3) in a sealing mode, and two net body end fixing units (5) which are respectively arranged on two outer side surfaces of the exhaust hood (3) and used for switching an effective filtering and impurity removing area of the filter screen (4) located at the air inlet in a pulling and sliding mode of the filter screen (4) so as to remove raw material particles intercepted on the filter screen (4);
the net body end fixing unit (5) comprises a fixing groove (501), a filter screen side end fixing part (502) arranged on the inner bottom surface of the fixing groove (501), and a jacking column part (503) which is vertically arranged on the inner side surface of the fixing groove (501) and used for tensioning and loosening drawing adjustment of the filter screen (4) in a jacking mode to further fold the filter screen (4), wherein a plurality of jacking column parts (503) are used for tensioning the filter screen (4) in a staggered lateral jacking mode;
the jacking column parts (503) comprise fixing plates (503 a) which are arranged on the inner side surfaces of the fixing grooves (501) in pairs, sliding grooves (503 b) which are respectively arranged on the inner side surfaces of the fixing plates (503 a) in pairs, mounting columns (503 c) which are arranged in the sliding grooves (503 b), jacking springs (503 f) which are sleeved on the mounting columns (503 c) and used for tensioning the filter screen (4) in a mode of jacking the jacking columns (503 e) through elasticity, and a plurality of jacking columns (503 e) in the jacking column parts (503) are arranged in the fixing grooves (501) in a left-right mode in a staggered mode;
the jacking column part (503) further comprises a clamping open groove (503 g) which is arranged on the fixing plate (503 a) and is positioned on the outer side of the sliding groove (503 b), an axial fixing hole (503 h) which is arranged on the jacking column (503 e) and is communicated with the mounting hole (503 d), a plurality of screw holes (503 k) which are arranged on the mounting column (503 c), and a fixing bolt (503 m) which is inserted into the clamping open groove (503 g), is rotationally fastened on the screw holes (503 k) and is used for fixing the jacking column (503 e) after sliding adjustment in a friction fastening mode on the outer side surface of the fixing plate (503 a).
2. The new dryer for the production of cement according to claim 1, characterized in that: the vertical cross-sectional shape of draft hood (3) is isosceles trapezoid, the upper end minor face of draft hood (3) with exhaust column (2) spiro union, the interior convulsions passageway of seting up in the long limit of lower extreme, two extreme bight positions department of draft hood (3) lower extreme all is equipped with two and is used for filter screen (4) are walked around and fixed roller (6) of tensioning.
3. The new dryer for the production of cement according to claim 1, characterized in that: the filter screen side end fixing part (502) is including setting up on bottom surface and second fixed slot (502 a) that the cross-section is the major arc bow in fixed slot (501), and set up filter screen (4) side and embedding setting are in dictyosome side cylinder (502 b) on second fixed slot (502 a).
4. The new dryer for the production of cement according to claim 1, characterized in that: the jacking cylinder part (503) further comprises an elastic ring (503 n) which is arranged on the inner annular surface of the fixing bolt (503 m) and is used for performing friction fastening on the outer side surface of the fixing plate (503 a).
5. The new dryer for cement production according to claim 4, characterized in that: the jacking column part (503) further comprises a plurality of column permanent magnet sheets (503 p) arranged on the mounting column (503 c), and bolt end permanent magnet sheets (503 q) arranged on the insertion end of the fixing bolt (503 m) and used for fixing the jacking column (503 e) after sliding adjustment in a mode that the bolt end permanent magnet sheets are mutually attracted with the column permanent magnet sheets (503 p) through magnetic force and further compress the elastic ring (503 n).
6. The new dryer for cement production according to claim 5, characterized in that: when the bolt end permanent magnet sheet (503 q) and the column permanent magnet sheet (503 p) are mutually attracted by magnetic force, the compression deformation amount and the friction force of the elastic ring (503 n) are smaller than those when the fixing bolt (503 m) is screwed with the screwing hole (503 k), and the elastic ring is used when the filter screen (4) intercepts lighter limestone powder.
7. The new dryer for cement production according to claim 5, characterized in that: the screw holes (503 k) and the column permanent magnet pieces (503 p) are arranged at intervals and are uniformly distributed in a linear arrangement mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910812507.XA CN110487055B (en) | 2019-08-30 | 2019-08-30 | A novel desiccator for producing cement |
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| CN201910812507.XA CN110487055B (en) | 2019-08-30 | 2019-08-30 | A novel desiccator for producing cement |
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| CN110487055A CN110487055A (en) | 2019-11-22 |
| CN110487055B true CN110487055B (en) | 2020-08-21 |
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| CN205492587U (en) * | 2016-04-01 | 2016-08-24 | 河南中烟工业有限责任公司 | Filter equipment and damp cover and cylinder equipment of row of using device |
| CN107051051A (en) * | 2017-04-10 | 2017-08-18 | 中山市赛恩电器科技有限公司 | A kind of air filter for being easy to update filter screen |
| CN206646899U (en) * | 2017-04-10 | 2017-11-17 | 上海勤电信息科技有限公司 | A kind of communication iron tower that can purify air |
| CN208372659U (en) * | 2018-05-01 | 2019-01-15 | 江西黄金埠万年青水泥有限责任公司 | A kind of plant area's cleaner |
| CN208407327U (en) * | 2018-09-11 | 2019-01-22 | 乌拉特中旗毅腾矿业有限责任公司 | One kind being used for the clean magnetic screening device of raw coal |
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| CN110487055A (en) | 2019-11-22 |
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