CN106869163A - Low-temperature multi-effect devaporizer bearing installation method - Google Patents

Low-temperature multi-effect devaporizer bearing installation method Download PDF

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Publication number
CN106869163A
CN106869163A CN201710249782.6A CN201710249782A CN106869163A CN 106869163 A CN106869163 A CN 106869163A CN 201710249782 A CN201710249782 A CN 201710249782A CN 106869163 A CN106869163 A CN 106869163A
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CN
China
Prior art keywords
bearing
plate
effect
installation
devaporizer
Prior art date
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.)
Pending
Application number
CN201710249782.6A
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Chinese (zh)
Inventor
郭建华
徐峥
孔炯
金仁才
施光涛
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China MCC17 Group Co Ltd filed Critical China MCC17 Group Co Ltd
Priority to CN201710249782.6A priority Critical patent/CN106869163A/en
Publication of CN106869163A publication Critical patent/CN106869163A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/44Foundations for machines, engines or ordnance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M9/00Special layout of foundations with respect to machinery to be supported
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0006Plastics
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0026Metals
    • E02D2300/0029Steel; Iron

Abstract

The invention discloses a kind of low-temperature multi-effect devaporizer bearing installation method, including step one, preparation of construction;Step 2, bearing pre-installation;Step 3, integral hoisting;The present invention takes into full account that bearing is pre-installed, it is ensured that the precision of fabrication and installation, using bearing and the method for effect body integral hoisting, can reduce the construction of large-scale crane, cost-effective, efficiency is improved, with good economic benefit.

Description

Low-temperature multi-effect devaporizer bearing installation method
Technical field
The present invention is to be related to building field, more particularly to a kind of low-temperature multi-effect devaporizer bearing installation method.
Background technology
Desalinization is to produce fresh water using seawater desalination, is to realize the increment technique of increasing income that water resource is utilized, Ke Yizeng Plus fresh water total amount, and do not receive space-time and climatic effect, water quality is good, and price is gradually reasonable, can ensure coastal Drinking Water for Residents and The stable water supplies such as Industrial Boiler moisturizing.The process meaning desalinization of fresh water is obtained from seawater.Desalinization side used by now Method has seawater freezing process, electroosmose process, the way of distillation, hyperfiltration;Can also be desalinized seawater using crystallisation, that is, in seawater Butane is added, butane highly volatile takes away the heat of seawater in volatilization, makes seawater icing, so that salt and water are separated.At present The way of distillation that the country commonly uses, i.e. low temperature multiple-effect distillation, seawater is repeatedly evaporated obtain being multiple times than steaming with cooling using steam The distilled water of vapour amount.
Distillation of the sea water desalinating unit due to being carried out seawater using steam is condensed and produces pure water, multiple-effect evaporation cooler Thermal expansion deformation is produced due to being heated during production work, therefore the installation of multiple-effect evaporation cooler sliding support is to ensure effect body Itself sliding and the emphasis of rhythm of production.
For above-mentioned situation, it is necessary to a kind of low-temperature multi-effect devaporizer bearing installation method.
The content of the invention
The technical problem to be solved in the present invention is:A kind of low-temperature multi-effect devaporizer bearing installation method, this hair are provided Bright installation accuracy is high, using bearing and the method for effect body integral hoisting, reduces the construction of large-scale crane, cost-effective, improves effect Rate.
The technical scheme that the present invention solves technical problem is as follows:
A kind of low-temperature multi-effect devaporizer bearing installation method of the present invention, comprises the following steps:
Step one, preparation of construction:
A, support base repetition measurement:Repetition measurement each support base, it is ensured that its absolute altitude, center, embedded part and foundation bolt meet rule Model and design requirement;Before support base is received, will surface concrete dabbing thereon, can during in order to the later stage to bearing back-grouting To form good faying face;
The inspection of b, branch seat apparatus:To each part of bearing to scene check, it is ensured that not Short Item, without damage;
Step 2, bearing pre-installation:
Go out to imitate body according to design drawing requirement measuring using measuring instruments such as theodolite, spirit levels first on support base Installation center line, and in support base mark;According to the installation center line and base-plate length requirement of effect body, in each branch The basic upper surface both sides of seat are symmetrically installed at least two pieces of fixed plate I, using theodolite and spirit level centering is levelling finish after will Fixed plate I is integral with slugging;
Sliding plate I is laid in fixed plate I again, sliding plate II is then laid on sliding plate I;
According to the status requirement of support base upper mounted plate I, through measuring and respective identification is carried out on the base plate of bearing, Bearing is toppled on ground, the fixed plate II with the equal number of fixed plate I is welded on the base plate of bearing according to respective identification;
Bearing is lifted to sliding plate II using crane, centering and levelling and repetition measurement its off-centring are carried out to bearing; Spacer for bolt, nut are reused, bearing and foundation bolt are linked into an integrated entity and the center line and absolute altitude of bearing is carried out again Repetition measurement;
Data to be measured are satisfied by removing bearing after requiring and hanging support base;
Step 3, integral hoisting:
According to design drawing and lifting requirements, according to spacing between adjacent bearing I and bearing II on effect body, branch is released Seat position line, with positioning support I and the installation site of bearing II;
Sling effect body using locking belt respectively by bearing I and bearing II according to the bearing position line of foregoing mark position It is connected thereto integral;
The integral hoisting that will imitate body, bearing I and bearing II by hoisting machine tool is in place, reuses spacer for bolt, nut, will Bearing links into an integrated entity with foundation bolt, completes installation operation.
Further, fixed plate I is " U "-shaped in the step 2, is made up of with two blocks of side plates base plate, two pieces of lateral mass welding In base plate top both sides, its base plate thickness, length and width be respectively 20mm, 200mm, 200mm, its side plate thickness, length and Width is respectively 20mm, 200mm, 20mm, and its base plate is the steel plate of Q235 with the material of side plate.
Further, two blocks of side plates of fixed plate I are consistent with the axial direction of effect body in the step 2.
Further, sliding plate I is located at the center of fixed plate I in the step 2, and its material is polytetrafluoroethylene (PTFE), Its thickness, length and width are respectively 2.4mm, 140mm, 140mm.
Further, sliding plate II is placed on sliding plate I in the step 2, and its material is polytetrafluoroethylene (PTFE), and it is thick Degree, length and width are respectively 2.4mm, 140mm, 140mm.
Further, the thickness of fixed plate II, length and width are respectively described in the step 2:20mm、150mm、 150mm。
Further, the fixed plate II in the step 2 is not welded on the base plate of bearing first, in the step 3 The positioning of adjacent bearing complete and using locking belt be connected with effect body it is integral after again by the base plate weldering of fixed plate II and each bearing It is connected together.
Further, in described step two and step 3, bearing was pre-installed before this, and pre-installation is according to formal installation The step of carry out, after pre-installation again with effect body carry out integral installation.
The present invention compared with prior art, with advantages below:(1) formally pacified again after bearing is first pre-installed Dress, installation accuracy is high;(2) using bearing and the method for effect body integral hoisting, the construction of large-scale crane is reduced, it is cost-effective, carry High efficiency.
Brief description of the drawings
Fig. 1 is that low-temperature multi-effect devaporizer bearing of the present invention installs positive schematic diagram;
Fig. 2 is that low-temperature multi-effect devaporizer bearing of the present invention installs side schematic view;
Fig. 3 is low-temperature multi-effect devaporizer bearing integral hoisting scheme of installation of the present invention;
In figure:1. the sliding plate of 2. bearing of support base, 3. foundation bolt, 4. nut, 5. embedded part, 6. fixed plate, I 7. sliding plate I 8. II 9. fixed plate, II 10. spacer for bolt, 11. bearing, I 12. bearing II 13. imitates the locking belt L1. installation center lines of body 14..
Specific embodiment
In order to preferably explain the present invention, come in the present invention is furture elucidated with specific embodiment below in conjunction with the accompanying drawings Hold, but present disclosure is not limited only to following examples.
As shown in Figure 1 to Figure 3, a kind of low-temperature multi-effect devaporizer bearing installation method, comprises the following steps:
Step one, preparation of construction:
A, the repetition measurement of support base 1:Repetition measurement each support base 1, it is ensured that its absolute altitude, center, embedded part 5 and foundation bolt 3 are accorded with Specification and design requirement are closed, meanwhile, repetition measurement also is carried out to the spacing between each adjacent support base 1, it is ensured that it reaches design will Ask;The upper surface of the support base 1 is rectangle, before support base 1 is received, by the concrete dabbing of its upper surface, so as to Good faying face can be formed when the later stage is to 2 back-grouting of bearing;
The inspection of b, the equipment of bearing 2:To each part of bearing 2 to scene check, it is ensured that not Short Item, lossless It is bad;
Step 2, bearing 2 are pre-installed:
Go out effect according to design drawing requirement measuring using measuring instruments such as theodolite, spirit levels first on support base 1 The installation center line L1 of body 13, and respective identification is carried out on support base 1;Low-temperature multi-effect devaporizer can be by more piece group Into, each section is referred to as " effect body ", as shown in figure 1, installation center line L1 and the requirement of the floor length of bearing 2 according to effect body 13, Each upper surface both sides of support base 1 is symmetrically installed at least two pieces of fixed plate I 6, wherein upper surface of support base 1 or so most The length for being smaller than the base plate of bearing 2 of two pieces of symmetrical fixed plates I 6 of outside, it is levelling complete using theodolite and spirit level centering It is after finishing that fixed plate I 6 is integral with the surrounding full weld of embedded part 5;Here fixed plate I 6 can be with " U "-shaped, by base plate and two pieces of sides Plate is constituted, and two pieces of lateral mass are welded in base plate top both sides, its base plate thickness, length and width be respectively 20mm, 200mm, 200mm, its side plate thickness, length and width are respectively 20mm, 200mm, 20mm, and its base plate is Q235's with the material of side plate Steel plate is selected, and its two blocks of side plates are consistent with the axial direction of effect body 13;
Sliding plate I 7 is laid in fixed plate I 6 again, sliding plate II 8 is then laid on sliding plate I 7;Here sliding Plate I 7 is located at the center of fixed plate I 6, and its material can be polytetrafluoroethylene (PTFE), and its thickness, length and width can be respectively provided with It is 2.4mm, 140mm, 140mm;Here sliding plate II 8 is placed on sliding plate I 7, and its material can be polytetrafluoroethylene (PTFE), its Thickness, length and width can be respectively set to 2.4mm, 140mm, 140mm;Sliding plate I 7 and the material of sliding plate II 8 are poly- four PVF, be the characteristics of advantage is this material of polytetrafluoroethylene (PTFE) do not adhere to and it is high lubricate, the low-temperature multi-effect devaporizer Because technique is to carry out distillation using steam heating seawater to refine pure water, the cold and hot frequency produced in production process is more, enters And cause the flexible frequency many, and using one piece, may comparatively cause production process resistance big, can make two pieces of slidings using two pieces Sliding is produced between plate, it is not necessary to consider two pieces of problems of resistance between fixed plate and sliding plate;Meanwhile, fixed plate I 6 set with Two blocks of consistent side plates of the effect axial direction of body 13, it can be ensured that when producing sliding between two pieces of sliding plates, are axially moved along effect body 13 It is dynamic, prevent two pieces of sliding plates from being moved radially along effect body 13;
According to the status requirement of the upper mounted plate I 6 of support base 1, marked through measuring and accordingly on the base plate of bearing 2 Know, on the ground topple over bearing 2, the fixed plate II 9 with the equal number of fixed plate I 6 is welded on bearing 2 according to respective identification Base plate on;The thickness of fixed plate II 9 here, length and width can be respectively set to:20mm, 150mm, 150mm, its material It can be the steel plate of Q235;
The lifting of bearing 2 is put down gently to sliding plate II 8 using crane, centering and levelling and repetition measurement are carried out to bearing 2 wherein The heart offsets;Spacer for bolt 10, nut 4 are reused, in linking into an integrated entity bearing 2 and foundation bolt 3 and carry out bearing 2 again The repetition measurement of heart line and absolute altitude;
Data to be measured are satisfied by removing bearing 2 after requiring and hanging support base 1;
Step 3, integral hoisting:
According to design drawing and lifting requirements, according to spacing between adjacent bearing I 11 and bearing II 12 on effect body 13, Bearing position line is released on effect body 13 according to the spacing between on design drawing two adjacent bearings, with the He of positioning support I 11 The installation site of bearing II 12;
As shown in figure 3, effect body 13 of slinging, using locking belt 14 respectively by bearing I 11 and bearing II 12 according to foregoing mark The bearing positioning line position of knowledge is connected thereto integral;
The integral hoisting that will imitate body 13, bearing I 11 and bearing II 12 by hoisting machine tool is in place, reuses spacer for bolt 10th, nut 4, bearing 2 is linked into an integrated entity with foundation bolt 3, completes installation operation.
The present embodiment first carries out the pre-installation of bearing 2, then carries out overall lifting, advantage of this is that, installing Repeatedly positioning is measured in journey, it is ensured that installation accuracy, while the construction of large-scale crane is decreased, it is cost-effective, improve effect Rate.
Fixed plate II 9 in step 2 described in the present embodiment can be welded on the base plate of bearing 2 first, in the step Positioning in three to two neighboring bearing 2 (bearing I 11 and bearing II 12 i.e. in step 3) is completed and uses locking belt 14 with effect Body 13 connect it is integral after, further according to the status requirement of the upper mounted plate I 6 of support base 1, on the base plate of bearing 2 through measurement simultaneously Respective identification is carried out, then fixed plate II 9 is welded together with the base plate of each bearing 2.Advantage of this is that the peace of bearing 2 Dress precision is higher, is also more consolidated in the low-temperature multi-effect devaporizer for eventually forming operation afterwards.
In the step of described in the present embodiment two and step 3, bearing 2 was pre-installed before this, and pre-installation is according to formal peace The step of dress, is carried out, and integral installation is carried out with effect body 13 again after pre-installation.

Claims (8)

1. a kind of low-temperature multi-effect devaporizer bearing installation method, comprises the following steps:
Step one, preparation of construction:
A, support base (1) repetition measurement:Repetition measurement each support base (1), it is ensured that its absolute altitude, center, embedded part (5) and foundation bolt (3) specification and design requirement are met;Before support base (1) is received, will surface concrete dabbing thereon, in order to the later stage to bearing (2) good faying face can be formed during back-grouting;
The inspection of b, bearing (2) equipment:To each part of bearing (2) to scene check, it is ensured that not Short Item, lossless It is bad;
Step 2, bearing (2) pre-installation:
Go out to imitate body according to design drawing requirement measuring using measuring instruments such as theodolite, spirit levels first on support base (1) (13) installation center line (L1), and identified on support base (1);According to the installation center line (L1) and bearing of effect body (13) (2) floor length requirement, at least two pieces fixed plates I (6) are symmetrically installed in each support base (1) upper surface left and right sides, Using theodolite and spirit level centering is levelling finish after by fixed plate I (6) and embedded part (5) welding it is integral;
Sliding plate I (7) is laid in fixed plate I (6) again, sliding plate II (8) is then laid on sliding plate I (7);
According to the status requirement of support base (1) upper mounted plate I (6), marked through measuring and accordingly on the base plate of bearing (2) Know, on the ground topple over bearing (2), will be welded with the fixed plate II (9) of the equal number of fixed plate I (6) according to respective identification On the base plate of bearing (2);
Bearing (2) lifting is put down gently to sliding plate II (8) using crane, bearing (2) is carried out centering and levelling and repetition measurement its Off-centring;Spacer for bolt (10), nut (4) are reused, bearing (2) is linked into an integrated entity with foundation bolt (3) and is entered again The center line of row bearing (2) and the repetition measurement of absolute altitude;
Data to be measured are satisfied by removing bearing (2) after requiring and hanging support base (1);
Step 3, integral hoisting:
According to design drawing and lifting requirements, in effect body (13) according between adjacent bearing I (11) and bearing II (12) between Away from releasing bearing position line, with positioning support I (11) and the installation site of bearing II (12);
Effect body (13) of slinging using locking belt (14) respectively by bearing I (11) and bearing II (12) according to foregoing mark bearing Positioning line position is connected thereto integral;
The integral hoisting that will imitate body (13), bearing I (11) and bearing II (12) by hoisting machine tool is in place, reuses spacer for bolt (10), nut (4), bearing (2) is linked into an integrated entity with foundation bolt (3), completes installation operation.
2. a kind of low-temperature multi-effect devaporizer bearing installation method according to claim 1, it is characterised in that:The step Fixed plate I (6) is " U "-shaped in two, is made up of with two blocks of side plates base plate, and two pieces of lateral mass are welded in base plate top both sides, its base plate Thickness, length and width are respectively 20mm, 200mm, 200mm, its side plate thickness, length and width be respectively 20mm, 200mm, 20mm, its base plate is the steel plate of Q235 with the material of side plate.
3. a kind of low-temperature multi-effect devaporizer bearing installation method according to claim 2, it is characterised in that:The step Two blocks of side plates of fixed plate I (6) are consistent with the axial direction of effect body (13) in two.
4. a kind of low-temperature multi-effect devaporizer bearing installation method according to claim 1, it is characterised in that:The step Positioned at the center of fixed plate I (6), its material is polytetrafluoroethylene (PTFE), its thickness, length and width point to sliding plate I (7) in two Wei not 2.4mm, 140mm, 140mm.
5. a kind of low-temperature multi-effect devaporizer bearing installation method according to claim 1, it is characterised in that:The step Sliding plate II (8) is placed on sliding plate I (7) in two, and its material is polytetrafluoroethylene (PTFE), and its thickness, length and width are respectively 2.4mm、140mm、140mm。
6. a kind of low-temperature multi-effect devaporizer bearing installation method according to claim 1, it is characterised in that:The step The thickness of fixed plate II described in two (9), length and width are respectively:20mm、150mm、150mm.
7. a kind of low-temperature multi-effect devaporizer bearing installation method according to claim 1, it is characterised in that:The step Fixed plate II (9) in two is not welded on the base plate of bearing (2) first, and the positioning of adjacent bearing (2) is complete in the step 3 Into and using locking belt (14) be connected with effect body (13) it is integral after again by the base plate welding of fixed plate II (9) and each bearing (2) Together.
8. a kind of low-temperature multi-effect devaporizer bearing installation method according to claim 1, it is characterised in that:Described step Rapid two and step 3 in, bearing (2) was pre-installed before this, was carried out the step of pre-installation is according to formal installation, after pre-installation Again integral installation is carried out with effect body (13).
CN201710249782.6A 2017-04-17 2017-04-17 Low-temperature multi-effect devaporizer bearing installation method Pending CN106869163A (en)

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Application Number Priority Date Filing Date Title
CN201710249782.6A CN106869163A (en) 2017-04-17 2017-04-17 Low-temperature multi-effect devaporizer bearing installation method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111482769A (en) * 2020-04-17 2020-08-04 中国电建集团四川工程有限公司 Method for mounting bearing box support

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CN111482769A (en) * 2020-04-17 2020-08-04 中国电建集团四川工程有限公司 Method for mounting bearing box support

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Application publication date: 20170620

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