CN102134855B - Method for installing and constructing supporting wheel set system of coal moisture control dryer - Google Patents
Method for installing and constructing supporting wheel set system of coal moisture control dryer Download PDFInfo
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- CN102134855B CN102134855B CN2010101010731A CN201010101073A CN102134855B CN 102134855 B CN102134855 B CN 102134855B CN 2010101010731 A CN2010101010731 A CN 2010101010731A CN 201010101073 A CN201010101073 A CN 201010101073A CN 102134855 B CN102134855 B CN 102134855B
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Abstract
The invention relates to a method for installing and constructing a supporting wheel set system of a coal moisture control dryer, which is characterized by comprising the following steps of: a) checking and marking a foundation; b) installing a supporting wheel set; c) aligning the supporting wheel set, namely aligning center lines and assisting in measuring a distance by using a high-accuracy theodolite, and moving by using a jack to adjust the distance between supporting wheel bases so as to meet the requirements of parallel center lines and an inclination angle after two sets, namely four supporting wheels are installed; d) grouting and curing concrete; and e) aligning the supporting wheel set again. The method for installing and constructing the supporting wheel set system of the coal moisture control dryer has the advantages that: a complicated mutual position relationship is converted into a plurality of groups of data which is easy to measure and adjust, installation quality is ensured, and construction efficiency is improved.
Description
Technical field
The present invention relates to the drying machine in a kind of coke oven coal damping complete set of equipments, specifically, is a kind of construction method of installation of coal damping drying machine support roller group system.
Background technology
In the installation process of coke oven coal damping complete set of equipments, the installation of drying machine fuselage is the emphasis of construction.For the installation of coal damping drying machine, all require to install back drying machine fuselage and keep certain inclination angle, the assurance at inclination angle then depends on the installation accuracy of drying machine support roller group system.Therefore, the installation accuracy of support roller group system has determined the installation accuracy of drying machine fuselage, thereby influences validity and the drier unit reliability of operation and the stability of follow-up engineering.The key that drying machine support roller system installs is how to guarantee the axiality of tangent circle of tangent circle and two support rollers of drying machine discharge end of two support rollers of drying machine feed end, guarantees that simultaneously the inclination angle of the two tangent circle lines of centres is identical with the drying machine mounted angle.But, drying machine support roller group system by two groups totally four support rollers constitute, its mutual position relation is complicated, but known construction method lack measures of quantization, easy and simple to handle, adjust reliable means, have a strong impact on construction speed and be difficult to guarantee installation accuracy.
Therefore the installation method of known drying machine support roller group system exists above-mentioned all inconvenience and problem.
Summary of the invention
The object of the invention, be to propose a kind of with correlation complicated between the drying machine support roller convert into be easy to measures of quantization, easy and simple to handle, adjustment is reliable and can guarantee the construction method of installation of the coal damping drying machine support roller group system of installation accuracy.
For realizing above-mentioned purpose, technical solution of the present invention is:
A kind of construction method of installation of coal damping drying machine support roller group system is characterized in that may further comprise the steps:
A) basis check and line
Check concrete foundation by drawing; Measure each block of wood height of said concrete foundation according to the datum line of structures with spirit level; On the side wall of said concrete block of wood, mark altitude line, measure horizontal range according to the base center line that on said concrete foundation, marks; If actual concrete foundation does not meet drawing requirement, before installation, correct;
B) the support roller group is installed
Said support roller group system is included in support roller, bearing and the base that has assembled before the transportation, and is according to basis line and support roller group base groove that the integral hoisting of said support roller group is in place, connects the support roller base with foundation bolt; According to drawing requirement the parallels group is set, the absolute altitude of parallels group is set according to support roller group base designs absolute altitude;
C) support roller group centering
Carry out center line centering and subsidiary distance with the high accuracy theodolite, move, adjust support roller base distance with jack, so that satisfy the parallel and inclination angle requirement of center line totally after two groups four support rollers are installed:
Measure the diagonal of horizontal range and two bases between two bases, reach the following formula relation:
| A-A ' |≤1.5mm and | B-B ' |≤1.5mm;
Measure the angle of inclination of the height and two bases of vertical direction between two bases, reach the following formula relation:
|H1-H2|≤1.5mm |H1-H5-(L*M)|≤1.5mm
|H3-H4|≤1.5mm |H2-H6-(L*M)|≤1.5mm
|H5-H6|≤1.5mm |H3-H7-(L*M)|≤1.5mm
|H7-H8|≤1.5mm |H4-H8-(L*M)|≤1.5mm
Wherein, A is the horizontal range between the center point of high-end support roller, and A ' is the horizontal range between the center point of low side support roller; B is the center diagonal distance of high low side two support rollers; B ' is another diagonal distance of center of high low side two support rollers, and H1～H8 is the absolute altitude of each measuring point on the base that records of spirit level, and L is the horizontal range between the center line; M is a gradient, value 9/100;
Spot welding parallels and base plate behind the centering, so that parallels is each other, and fixing between parallels and the base plate;
D) grouting and concrete curing
Behind the first centering of support roller base anchor bolt box is in the milk, fills anchor bolt box with pea gravel concreten during grouting, grouting height is to surface of base, and the tamping of should vibrating, must not movable base or loading before concrete setting;
E) support roller group secondary centering
Two support roller groups are solidified at pea gravel concreten, carry out the secondary centering after the maintenance, and aligning method is tightened foundation bolt with first centering, carries out back-grouting between concrete foundation surface and base.
The construction method of installation of coal damping drying machine support roller group system of the present invention can also adopt following technical measures further to realize.
Aforesaid method, wherein said step b) is installed the support roller group and may further comprise the steps:
1), according to drawing requirement the parallels group is set, according to support roller group base designs absolute altitude the absolute altitude of parallels group is set, said parallels area calculates by following formula:
A＝C(Q1+Q2)×104/R
A wherein: said parallels area mm
2The C safety coefficient should get 1.5～3; Q1: because the weight of equipment is added in the load (N) on the said parallels group; Q2: because foundation bolt is tightened the load (N) on the said parallels group that is distributed in, the permission stretching resistance of desirable bolt; R basis or terrace concrete unit are compression strength (Mpa), desirable concrete design strength;
2), base and support roller integral hoisting is in place according to center line that marks on the two support roller bases and the center groove on the base;
3), connect two support roller bases with foundation bolt.
Aforesaid method, wherein said step 3) connects in the two support roller bases with foundation bolt, and the length that said bolt exposes on the two support roller base planes is 1/3～2/3 of the diameter of bolt.
After adopting technique scheme, the construction method of installation of coal damping drying machine support roller group system of the present invention has the following advantages:
1, the mutual alignment relation with complicacy is converted into several groups of data that are prone to measurement and adjustment, has guaranteed installation quality reliably;
2, good, the less investment of result of use, applicability are strong;
3, greatly improved efficiency of construction.
Description of drawings
Fig. 1 is the support roller installation accuracy sketch map of the embodiment of the invention;
Fig. 2 is the adjustment sketch map that the support roller of the embodiment of the invention is installed;
Fig. 3 is the schematic top plan view of the support roller adjustment of the embodiment of the invention.
Among the figure: 1 tangent circle, 2 support rollers, 3 theodolites.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is illustrated further.
See also Fig. 1, Fig. 1 is the support roller installation accuracy sketch map of the embodiment of the invention at present.As shown in the figure, make the axiality of tangent circle 1 with the tangent circle 1 of two support rollers 2 of drying machine discharge end of two support rollers 2 of said drying machine feed end, make the inclination angle of two tangent circles, 1 line of centres identical simultaneously with the drying machine mounted angle.
A kind of construction method of installation of coal damping drying machine support roller group system, utilizing parallels group adjustment support roller group base is a kind of common technology, it is characterized in that may further comprise the steps:
A) basis check and line
(1) height of each block of wood is measured with spirit level according to the datum line of structures, and horizontal range should be measured according to the base center line that marks in concrete foundation.
(2) line of expression height should be labeled on the side of concrete block of wood.
(3) if when contrast drawing in actual basis is correct inadequately, should before installing, correct.
(4) foreign material in the anchor bolt box will be cleaned out.
(5) basis requires:
● base center wire spacing permissible variation 1mm;
● datum mark is to absolute altitude deviation ± 3mm at zero point, and the difference of feed end support roller group basis absolute altitude (containing 50mm back-grouting layer) and discharge end support roller group basis absolute altitude (containing 50mm back-grouting layer) must satisfy the requirement of technical specification;
● anchor bolt box center deviation ± 10mm;
● the foundation outline size is permitted error ± 30mm.
B) the support roller group is installed
Fig. 2 is the adjustment sketch map that the support roller of the embodiment of the invention is installed, and Fig. 3 is the schematic top plan view of the support roller adjustment of the embodiment of the invention.Said support roller group system is included in support roller, bearing and the base that has assembled before the transportation.Earlier according to drawing requirement the parallels group is set, according to support roller group base designs absolute altitude the absolute altitude of parallels group is set, said parallels area calculates as follows:
A＝C(Q1+Q2)×104/R
A wherein: said parallels area mm
2The C safety coefficient should get 1.5～3; Q1: because the weight of equipment is added in the load (N) on the said parallels group; Q2: because foundation bolt is tightened the load (N) on the said parallels group that is distributed in, the permission stretching resistance of desirable bolt; R basis or terrace concrete unit are compression strength (Mpa), desirable concrete design strength; According to center line that marks on the two support roller bases and the center groove on the base that base and support roller integral hoisting is in place then; Connect two support roller bases with foundation bolt, the length that said bolt exposes on the two support roller base planes is 1/3～2/3 of the diameter of bolt;
C) support roller group centering
Carry out center line centering and subsidiary distance with the high accuracy theodolite, move, adjust support roller base distance with jack, so that satisfy the parallel and inclination angle requirement of center line totally after two groups four support rollers are installed:
Measure the diagonal of horizontal range and two bases between two bases, reach the following formula relation:
| A-A ' |≤1.5mm and | B-B ' |≤1.5mm;
Measure the angle of inclination of the height and two bases of vertical direction between two bases, reach the following formula relation:
|H1-H2|≤1.5mm |H1-H5-(L*M)|≤1.5mm
|H3-H4|≤1.5mm |H2-H6-(L*M)|≤1.5mm
|H5-H6|≤1.5mm |H3-H7-(L*M)|≤1.5mm
|H7-H8|≤1.5mm |H4-H8-(L*M)|≤1.5mm
Wherein, A is the horizontal range between the center point of high-end support roller, and A ' is the horizontal range between the center point of low side support roller; B is the center diagonal distance of high low side two support rollers; B ' is another diagonal distance of center of high low side two support rollers, and H1～H8 is the absolute altitude of each measuring point on the base that records of spirit level, and L is the horizontal range between the center line; M is a gradient, value 9/100;
Spot welding parallels and base plate behind the centering, so that parallels is each other, and fixing between parallels and the base plate;
D) grouting and concrete curing
Behind the first centering of support roller base anchor bolt box is in the milk, during grouting pea gravel concreten is filled anchor bolt box, grouting height is to surface of base, and the tamping of should vibrating, must not movable base or loading before concrete setting;
E) support roller group secondary centering
Two support roller groups are solidified at pea gravel concreten, carry out the secondary centering after the maintenance; Aligning method is with first centering; Tighten foundation bolt, carry out back-grouting between concrete foundation surface and base, accomplish the installation adjustment of coal damping drying machine support roller group system of the present invention thus.
Above embodiment only supplies to explain the present invention's usefulness, but not limitation of the present invention, the technical staff in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (3)
1. the construction method of installation of a coal damping drying machine support roller group system is characterized in that may further comprise the steps:
A) basis check and line
Check concrete foundation by drawing; Measure each block of wood height of said concrete foundation based on the datum line of structures with spirit level; On the side wall of said concrete block of wood, mark altitude line, be based on the base center line that marks on the said concrete foundation and measure horizontal range;
B) the support roller group is installed
Said support roller group system comprises support roller, bearing and base, and is according to basis line and support roller group base groove that the integral hoisting of said support roller group is in place, connects the support roller base with foundation bolt; According to drawing requirement the parallels group is set, the absolute altitude of parallels group is set according to support roller group base designs absolute altitude:
C) support roller group centering
Carry out center line centering and subsidiary distance with the high accuracy theodolite, move, adjust support roller base distance with jack, so that satisfy the parallel and inclination angle requirement of center line totally after two groups four support rollers are installed:
Measure the diagonal of horizontal range and two bases between two bases, reach the following formula relation:
| A-A ' |≤1.5mm and | B-B ' |≤1.5mm;
Measure the angle of inclination of the height and two bases of vertical direction between two bases, reach the following formula relation:
|H1-H2|≤1.5mm |H1-H5-(L*M)|≤1.5mm
|H3-H4|≤1.5mm |H2-H6-(L*M)|≤1.5mm
|H5-H6|≤1.5mm |H3-H7-(L*M)|≤1.5mm
|H7-H8|≤1.5mm |H4-H8-(L*M)|≤1.5mm
Wherein, A is the horizontal range between the center point of high-end support roller, and A ' is the horizontal range between the center point of low side support roller, and B is the center diagonal distance of high low side two support rollers; B ' is another diagonal distance of center of high low side two support rollers; H1～H8 is the absolute altitude of each measuring point on the base that records of spirit level, and L is the horizontal range between the center line, and M is a gradient;
Spot welding parallels and base plate behind the centering, so that parallels is each other, and fixing between parallels and the base plate;
D) grouting and concrete curing
Behind the first centering of support roller base anchor bolt box is in the milk, fills anchor bolt box with pea gravel concreten, grouting height is to surface of base, and the vibration tamping, must not movable base or loading before concrete setting;
E) support roller group secondary centering
Two support roller groups are solidified at pea gravel concreten, carry out the secondary centering after the maintenance, and aligning method is tightened foundation bolt with first centering, carries out back-grouting between concrete foundation surface and base.
2. the construction method of installation of coal damping drying machine support roller group system as claimed in claim 1 is characterized in that, said step b) is installed the support roller group and may further comprise the steps:
1), according to drawing requirement the parallels group is set, according to support roller group base designs absolute altitude the absolute altitude of parallels group is set, said parallels area calculates by following formula
A＝C(Q1+Q2)×104/R
A wherein: said parallels area mm
2The C safety coefficient; Q1: because the weight of equipment is added in the load on the said parallels group; Q2: because foundation bolt is tightened the load on the said parallels group that is distributed in, the permission stretching resistance of desirable bolt; R basis or terrace concrete unit are compression strength;
2), base and support roller integral hoisting is in place according to center line that marks on the two support roller bases and the center groove on the base;
3), connect the support roller base with foundation bolt.
3. the construction method of installation of coal damping drying machine support roller group system as claimed in claim 2 is characterized in that, said step 3) connects in the support roller base with foundation bolt, and the length that said bolt exposes on the support roller base plane is 1/3～2/3 of the diameter of bolt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101010731A CN102134855B (en) | 2010-01-26 | 2010-01-26 | Method for installing and constructing supporting wheel set system of coal moisture control dryer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101010731A CN102134855B (en) | 2010-01-26 | 2010-01-26 | Method for installing and constructing supporting wheel set system of coal moisture control dryer |
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| CN102134855A CN102134855A (en) | 2011-07-27 |
| CN102134855B true CN102134855B (en) | 2012-11-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104862498B (en) * | 2015-06-08 | 2016-08-24 | 中冶建工集团有限公司 | Electron beam furnace installation engineering method |
| CN105767162A (en) * | 2016-03-11 | 2016-07-20 | 安徽新生力生物科技有限公司 | Grain dryer installation method |
| CN106945596B (en) * | 2017-04-17 | 2018-10-23 | 中国十五冶金建设集团有限公司 | A kind of transport of large-sized drying machines cylinder is unloaded and installation method |
| CN108001972B (en) * | 2017-11-08 | 2019-07-12 | 中国化学工程第十六建设有限公司 | The method of low rail technology transport installation large-sized drying machines |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144800Y (en) * | 1992-08-06 | 1993-10-27 | 个旧市鄢棚永兴机械加工修理部 | Small-size drying machine |
| DE102005009230A1 (en) * | 2005-02-25 | 2006-09-07 | Jensen-Senking Gmbh | A method for centralising the rotary drum of a clothes drying machine has sprung wheels bearing on rims on the front and rear o the drum and a flexible seal accommodating axial movements |
| CN101532771A (en) * | 2009-04-13 | 2009-09-16 | 山东天力干燥设备有限公司 | Annular tube split type steam rotary dryer |
-
2010
- 2010-01-26 CN CN2010101010731A patent/CN102134855B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144800Y (en) * | 1992-08-06 | 1993-10-27 | 个旧市鄢棚永兴机械加工修理部 | Small-size drying machine |
| DE102005009230A1 (en) * | 2005-02-25 | 2006-09-07 | Jensen-Senking Gmbh | A method for centralising the rotary drum of a clothes drying machine has sprung wheels bearing on rims on the front and rear o the drum and a flexible seal accommodating axial movements |
| CN101532771A (en) * | 2009-04-13 | 2009-09-16 | 山东天力干燥设备有限公司 | Annular tube split type steam rotary dryer |
Non-Patent Citations (2)
| Title |
|---|
| 朱成华.Ф2.8m×34m复混肥干燥机的安装和使用.《磷肥与复肥》.2002,第17卷(第04期), * |
| 胡仕波.大型蒸汽干燥机安装.《江西有色金属》.2008,第22卷(第03期), * |
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