CN110357187A - The group of round low-temperature multiple-effect seawater desalination evaporator is to method - Google Patents
The group of round low-temperature multiple-effect seawater desalination evaporator is to method Download PDFInfo
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- CN110357187A CN110357187A CN201910575845.6A CN201910575845A CN110357187A CN 110357187 A CN110357187 A CN 110357187A CN 201910575845 A CN201910575845 A CN 201910575845A CN 110357187 A CN110357187 A CN 110357187A
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- evaporator
- point
- pars contractilis
- round
- backing plate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Abstract
The invention discloses a kind of groups of round low-temperature multiple-effect seawater desalination evaporator to method, comprising the following steps: step 1: the Adjustable bracing bar of selection and the first round evaporator diameter adapted length is fixedly connected between fixed support rod and pars contractilis；Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle；Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle.The present invention can make welding stress it is evenly dispersed on an evaporator, guarantee welding quality.The present invention is suitable for round evaporator, for using when welding.
Description
Technical field
The invention belongs to equipment to assemble technical field, be related to the group of sea water desalination multi-effect evaporator to installation, specifically
It is a kind of group of round low-temperature multiple-effect seawater desalination evaporator to method.
Background technique
Water is lifespring, is the artery of socio-economic development.Although 70% area is covered with water on the earth,
People, which rely, only accounts for the 2.5% to 3% of total Water in the fresh water of existence.In view of 70% human living on the ground away from sea less than 120 kilometers
Side, therefore using immense sea as the source for obtaining fresh water, the strong supplement measure to desalinize seawater as existing water source, certain
Under the conditions of can meet people's demand of domestic water.Current sea water desalination distillating method mainly has low-temperature multi-effect and multistage flash distillation to steam
Evaporate two kinds.Low temperature multiple-effect distillation therein is to make seawater multiple-effect evaporation step by step outside condenser pipe in condensation in-tube condensation using steam
And obtain the desalination process of fresh water.Since low temperature multiple-effect distillation sea water desalting can be using power plant low-pressure pumping steam as heating
Heat source constitutes the sea water desalination mode of water-electricity cogeneration, therefore by the attention of each side.
Low-temperature multiple-effect seawater desalination evaporator is made of multiple evaporator series, large-scale sea water desalting equipment
(3000t/d or more) rectangular evaporator size is larger, and material mostly uses super-duplex stainless steel, welding equipment technical requirements height, group
It is big to assembly difficulty, belong to ultra-thin (8 to 10mm) ultra-large type heat exchange equipment, in order to guarantee low-temperature multiple-effect seawater desalination evaporator general assembly
When respectively imitate accurate connection between evaporator, it is necessary to the welding equipment quality for controlling each effect evaporator will especially adjust single-action circle
The flatness of the circularity of evaporator and the rectangular evaporator of single-action, the required precision of integral device when ensuring general assembly.
At present when the circularity of sea water desalination circle evaporator, evaporation is held out against simultaneously frequently with the identical support rod of more root long degree
To adjust the circularity of evaporator, when use, has the following deficiencies: that the length of one, support rod can not be straight according to evaporator for the inside of device
The difference of diameter is converted, therefore this support rod is only used for using in the round evaporator for adjusting single model；Two, due to
The wall thickness of evaporator is relatively thin, when adjusting the circularity of round evaporator in this way, it is easy to make evaporator device part mistake
In concentration, the welding quality of evaporator weld seam is influenced.
Summary of the invention
It is existing in the prior art above insufficient to solve, the present invention is intended to provide a kind of circle low-temperature multiple-effect seawater desalination
The group of evaporator is to method, to achieve the purpose that welding stress is evenly dispersed on an evaporator, guarantees welding quality.
To achieve the above object, the technical solution adopted in the present invention is as follows: a kind of circle low-temperature multiple-effect seawater desalination steaming
The group of device is sent out to method, the circularity of the first round evaporator is adjusted using low-temperature multiple-effect seawater desalination evaporator pairing device；
The low-temperature multiple-effect seawater desalination evaporator pairing device include the fixation support rod set gradually, Adjustable bracing bar and
Pars contractilis；Adjustable bracing bar is removably connected between fixed support rod and pars contractilis, and pars contractilis can be along Adjustable bracing bar axis
Line direction is flexible；The opening of fixed support rod and Adjustable bracing bar is all fixedly connected with closure plate, fixes support rod and stretches
The backing plate being in contact with evaporator inner wall is all fixed in portion；
The group of the round low-temperature multiple-effect seawater desalination evaporator to method the following steps are included:
Step 1: the Adjustable bracing bar of selection and the first round evaporator diameter adapted length be fixedly connected on fixed support rod with
Between pars contractilis；
Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis makes the backing plate of fixed support rod and the backing plate of pars contractilis hold out against the inner wall in the first round evaporator
On, there is circular diameter corresponding with the first circle evaporator diameter, when the first round evaporator is straight on the second round evaporator
Diameter be located at the endpoint of lower half circle it is concordant with circular diameter lower half circle endpoint is located at when, two concordant endpoints are weldingly connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
On different-diameter, repeat to hold out against and weld operation in (1) step；
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis makes the backing plate of fixed support rod and the backing plate of pars contractilis hold out against the inner wall in the first round evaporator
On, there is circular diameter corresponding with the first circle evaporator diameter, the first round evaporator diameter on the second round evaporator
When concordant with circular diameter upper semi-circle endpoint is located at positioned at the endpoint of upper semi-circle, two concordant endpoints are weldingly connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
On different-diameter, repeat to hold out against and weld operation in (1) step.
As restriction of the invention, step 2: the first round evaporator lower half circle is welded with the second round evaporator lower half circle
It is connected
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis makes the backing plate of fixed support rod and the backing plate of pars contractilis hold out against the inner wall in the first round evaporator
On, there is the first circular diameter corresponding with the first circle evaporator first diameter, the first round steaming on the second round evaporator
Hair device first diameter be located at the endpoint of lower half circle it is concordant with the first circular diameter lower half circle endpoint is located at when, by two concordant endpoints welding
It is connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator to Q
On inner wall, there is Q circular diameter corresponding with the first circle evaporator Q diameter, first is round on the second round evaporator
Evaporator Q diameter be located at the endpoint of lower half circle it is concordant with Q circular diameter lower half circle endpoint is located at when, two concordant endpoints are welded
It is connected；
(3) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, first diameter is the symmetrical center line of Q diameter and M diameter to M, and elongation pars contractilis makes the backing plate of fixed support rod
And the backing plate of pars contractilis is held out against on the inner wall of the first round evaporator, is had on the second round evaporator and the first round steaming
The corresponding M circular diameter of device M diameter is sent out, the first round evaporator M diameter is located at the endpoint of lower half circle and is located at M circle
When diameter lower half circle endpoint is concordant, two concordant endpoints are weldingly connected；Wherein, Q > 1, M > 1；
(4) step: taking the different value of Q and M, selects on the different-diameter and the second round evaporator on the first round evaporator
Different circular diameter positions, repeat to hold out against and weld operation in (2) Bu Ji (3) step；
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator to X
On inner wall, there is X circular diameter corresponding with the first circle evaporator X diameter, first is round on the second round evaporator
Evaporator X diameter be located at the endpoint of upper semi-circle it is concordant with X circular diameter upper semi-circle endpoint is located at when, two concordant endpoints are welded
It is connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
On K diameter, first diameter is the symmetrical center line of X diameter and K diameter, and elongation pars contractilis makes the backing plate of fixed support rod
And the backing plate of pars contractilis is held out against on the inner wall of the first round evaporator, is had on the second round evaporator and the first round steaming
The corresponding K circular diameter of device K diameter is sent out, the first round evaporator K diameter is located at the endpoint of upper semi-circle and is located at K circle
When diameter upper semi-circle endpoint is concordant, two concordant endpoints are weldingly connected；Wherein, X > 1, K > 1；
(3) step: taking the different value of X, K, selects on the different-diameter and the second round evaporator on the first round evaporator
Different circular diameter positions, repeat to hold out against and weld operation in (2) Bu Ji (3) step.
It is further limited as of the invention, (4) step in step 2: taking the different value of Q, makes low-temperature multiple-effect seawater desalination
Evaporator pairing device by being placed sequentially on the different-diameter of the first round evaporator counterclockwise or clockwise, repeat into
Operation is held out against and welded in row (2) Bu Ji (3) step；
(3) step in step 3: taking the different value of X, makes low-temperature multiple-effect seawater desalination evaporator pairing device by counterclockwise or up time
Needle direction is placed sequentially on the different-diameter of the first round evaporator, repeats to hold out against and weld in (1) Bu Ji (2) step
Connect operation.
It is limited as another kind of the invention, (4) step in step 2: upper semi-circle and lower half circle line of demarcation and first diameter
Minimum angle be α, take the different value of Q and M, be smaller than upper semi-circle with lower half circle line of demarcation and the minimum angle of Q diameter
Equal to α, repeat to hold out against and weld operation in (2) Bu Ji (3) step；
(3) step in step 3: X diameter and the minimum angle of first diameter are β, take the different value of X, K, make X diameter and
The minimum angle of one diameter is smaller than equal to β, repeats to hold out against and weld operation in (1) Bu Ji (2) step;Wherein, α ∈
(0 °, 90 °]；β ∈ (0 °, 90 °].
It is further limited as of the invention, step 0: marking the periphery of round evaporator
(1) step: along the first round evaporator periphery successively uniform intervals mark point A(0 clockwise) ..., A(n-1), A
(n), B(0) ..., B(n-1), B (n), and A(0) and line B(0) ..., A(n-1) and line B(n-1), A (n) with
The line of B (n) is the diameter of the first round evaporator, wherein n >=2；
(2) step: along the second round evaporator periphery, successively uniform intervals are marked and A on the first round evaporator clockwise
(0) ..., A(n-1), A (n), B(0) ..., B(n-1), the a(0 that is arranged in a one-to-one correspondence of B (n)) ..., a(n-1), a
(n), b(0) ..., b(n-1), b (n).
As further restriction of the invention, step 0: marking the periphery of round evaporator
(1) step: along the first round evaporator periphery successively uniform intervals mark point A(0 clockwise), A (1), A(2), A(3), A
(4), A(5), A(6), A(7), A(8), A(9), B(0), B (1), B(2), B(3), B(4), B(5), B(6), B(7), B(8), B
(9), and A(0) and line, A (1) and B (1) B(0) line, A(2) and line, A(3 B(2)) and line, A B(3)
(4) and B(4) line, A(5) and line, A(6 B(5)) and line, A(7 B(6)) and line, A(8 B(7)) and B(8)
Line, A(9) and line B(9) be the diameter of the first round evaporator, A(0) and line B(0) be located on vertical line,
A(5 line) and B(5) is located on the line of demarcation of upper semi-circle and lower half circle；
(2) step: along the second round evaporator periphery clockwise successively uniform intervals label and A(0 on the first round evaporator),
A (1), A(2), A(3), A(4), A(5), A(6), A(7), A(8), A(9), B(0), B (1), B(2), B(3), B(4), B(5), B
(6), B(7), B(8), B(9) a(0 that is arranged in a one-to-one correspondence), a (1), a(2), a(3), a(4), a(5), a(6), a(7), a(8),
A(9), b(0), b (1), b(2), b(3), b(4), b(5), b(6), b(7), b(8), b(9)；
Step 1: the Adjustable bracing bar of selection and the first round evaporator diameter adapted length be fixedly connected on fixed support rod with
Between pars contractilis；
Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A(0) and line B(0)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B(0) is concordant with point b(0), point B(0) and point b(0) is weldingly connected；
(2) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (1) Yu B (1)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (1) is concordant with point b (1), point B (1) and point b (1) are weldingly connected；
(3) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (9) Yu B (9)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (9) is concordant at point a (9) position, point A (9) and point a (9) are weldingly connected；
(4) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (2) Yu B (2)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (2) is concordant at point b (2) position, point B (2) and point b (2) are weldingly connected；
(5) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (8) Yu B (8)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (8) is concordant at point a (8) position, point A (8) and point a (8) are weldingly connected；
(6) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (3) Yu B (3)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (3) is concordant at point b (3) position, point B (3) and point b (3) are weldingly connected；
(7) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (7) Yu B (7)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (7) is concordant at point a (7) position, point A (7) and point a (7) are weldingly connected；
(8) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (4) Yu B (4)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (4) is concordant at point b (4) position, point B (4) and point b (4) are weldingly connected；
(9) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (6) Yu B (6)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (6) is concordant at point a (6) position, point A (6) and point a (6) are weldingly connected；
(10) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (5) Yu B (5)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (5) is concordant at point b (5) position, point B (5) and point b (5) are weldingly connected；
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (5) Yu B (5)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (5) is concordant at point a (5) position, point A (5) and point a (5) are weldingly connected；
(2) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (6) Yu B (6)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (6) is concordant at point b (6) position, point B (6) and point b (6) are weldingly connected；
(3) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (4) Yu B (4)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (4) is concordant at point a (4) position, point A (4) and point a (4) are weldingly connected；
(4) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (7) Yu B (7)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (7) is concordant at point b (7) position, point B (7) and point b (7) are weldingly connected；
(5) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (3) Yu B (3)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (3) is concordant at point a (3) position, point A (3) and point a (3) are weldingly connected；
(6) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (8) Yu B (8)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (8) is concordant at point b (8) position with concordant and point B (8) at point b (8) position, point B (8) and point b (8) is welded
It is connected, point B (8) and point b (8) is weldingly connected；
(7) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (2) Yu B (2)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (2) is concordant at point a (2) position, point A (2) and point a (2) are weldingly connected；
(8) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (9) Yu B (9)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (9) is concordant at point b (9) position, point B (9) and point b (9) are weldingly connected；
(9) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (1) Yu B (1)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (1) is concordant at point a (1) position, point A (1) and point a (1) are weldingly connected；
(10) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (0) Yu B (0)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (0) is concordant at point a (0) position, point A (0) and point a (0) are weldingly connected.
As of the invention there are also a kind of restriction, in step 1 and step 2, by low-temperature multiple-effect seawater desalination evaporator group
Device is fixed on jack by single hole platform sling, rotates low-temperature multiple-effect seawater desalination evaporator pairing device around the center of circle.
As other restrictions of the invention, pars contractilis is jack.
Due to the adoption of the above technical solution, low-temperature multiple-effect seawater desalination evaporator pairing device of the invention with it is existing
Technology is compared, and acquired beneficial effect is:
(1) present invention can select the Adjustable bracing bar for being adapted length according to the diameter of the first round evaporator, so that low temperature
Multi-effect seawater desalination evaporator pairing device can be held out against in the first round evaporator；
(2) present invention is by being placed on different positions in the first round evaporator for low-temperature multiple-effect seawater desalination evaporator pairing device
Place is set, the two o'clock where capable of making different-diameter on the first round evaporator circumference is respectively and on the second round evaporator circumference
Corresponding two o'clock is weldingly connected；The circularity that the first round evaporator can not only be adjusted in this way, make the first round evaporator meet with
The circularity requirement of second evaporator group pair, moreover, by the way of this Supplements, compared with the prior art in correction simultaneously it is more
Welding stress effectively can averagely be dispersed on the circumference of round evaporator, avoid justifying by the circularity of a position, the present invention
Shape evaporator local pressure is excessive, it is stress-retained it is biggish happen, guarantee welding quality；
(3) present invention, which passes through, first welds lower half circle, then welds upper semi-circle, can be released effectively stress, adapt to round evaporator
Deformation, welding stress is averagely dispersed on round evaporator；
(4) present invention is by being successively placed on low-temperature multiple-effect seawater desalination evaporator pairing device about the first round evaporator
Upper first diameter symmetrical two diametrically, can improve at pad welding stress averagely on round evaporator
Local pressure situation；
(5) present invention is on the periphery of round evaporator by being marked, be not only easy to using when more acurrate, quick selection
The placement location of low-temperature multiple-effect seawater desalination evaporator pairing device is also easy to the round evaporator of observation first and the second round steaming
The concordant degree at the corresponding pad of device is sent out, to guarantee welding quality；
In conclusion operation of the present invention is convenient, welding efficiency is high, once for energy group to success, welding quality is good.
The present invention is suitable for round evaporator, for using when welding.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment makees more detailed description to the present invention.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the Adjustable bracing bar 2 of the embodiment of the present invention 1 and the structural relation schematic diagram of pars contractilis；
Fig. 3 is the structural relation schematic diagram of fixation support rod 1 upper plugging plate 6 and backing plate 5 of the embodiment of the present invention 1；
Fig. 4 is the second round evaporator periphery mark point positional diagram of the embodiment of the present invention 2；
(1) is that the low-temperature multiple-effect seawater desalination evaporator pairing device of the embodiment of the present invention 2 is placed in A(0 in Fig. 5) and company B(0)
Structural schematic diagram on line；(2) for the embodiment of the present invention 2 low-temperature multiple-effect seawater desalination evaporator pairing device be placed in A (1) with
Structural schematic diagram on the line of B (1)；(3) it is set for the low-temperature multiple-effect seawater desalination evaporator pairing device of the embodiment of the present invention 2
In A(9) and line B(9) on structural schematic diagram；
(4) are that the low-temperature multiple-effect seawater desalination evaporator pairing device of the embodiment of the present invention 2 is placed in the company of A (2) Yu B (2) in Fig. 6
Structural schematic diagram on line；(5) for the embodiment of the present invention 2 low-temperature multiple-effect seawater desalination evaporator pairing device be placed in A (8) with
Structural schematic diagram on the line of B (8)；
(6) are that the low-temperature multiple-effect seawater desalination evaporator pairing device of the embodiment of the present invention 2 is placed in the company of A (3) Yu B (3) in Fig. 7
Structural schematic diagram on line；(7) for the embodiment of the present invention 2 low-temperature multiple-effect seawater desalination evaporator pairing device be placed in A (7) with
Structural schematic diagram on the line of B (7)；
(8) are that the low-temperature multiple-effect seawater desalination evaporator pairing device of the embodiment of the present invention 2 is placed in the company of A (4) Yu B (4) in Fig. 8
Structural schematic diagram on line；(9) for the embodiment of the present invention 2 low-temperature multiple-effect seawater desalination evaporator pairing device be placed in A (6) with
Structural schematic diagram on the line of B (6)；It (10) is the low-temperature multiple-effect seawater desalination evaporator pairing device of the embodiment of the present invention 2
The structural schematic diagram being placed on the line of A (5) and B (5).
In figure: 1, fixed support rod；2, Adjustable bracing bar；3, jack；4, single hole platform sling；5, backing plate；6, closure plate；7, method
It is blue.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.It should be appreciated that preferred reality described herein
It applies example and is merely to illustrate and understands the present invention, be not intended to limit the present invention.
A kind of low-temperature multiple-effect seawater desalination evaporator pairing device of embodiment 1
The present embodiment is stretched using pars contractilis along 2 axis direction of Adjustable bracing bar, is made pars contractilis, is fixed support rod 1 to steaming
Applied force on device is sent out, to adjust the round circularity of evaporator or the flatness of rectangular evaporator.As shown in Figure 1, the present embodiment
It from left to right include fixation support rod 1, Adjustable bracing bar 2 and the pars contractilis set gradually.
One, pars contractilis
Pars contractilis is used to adjust the collapsing length of low-temperature multiple-effect seawater desalination evaporator pairing device.Pars contractilis is using can be along can
Adjust 2 axis direction of support rod flexible.Cylinder, electric cylinders, hydraulic cylinder can be used in pars contractilis.In the present embodiment, pars contractilis is using very heavy
Top 3.The top plate of jack 3 is fixedly linked with Adjustable bracing bar 2, and the chassis of jack 3 is fixedly connected with backing plate 5, by backing plate 5 with
Evaporator inner wall directly contacts.And in order to avoid polluting the two-phase stainless steel material of evaporator surface in use, it is very heavy
Backing plate 5 on the handle and jack 3 on top 3 all uses stainless steel material.
Two, Adjustable bracing bar 2
Adjustable bracing bar 2 can select different length according to the size of evaporator.Adjustable bracing bar 2 uses carbon steel pipe, adjustable supporting
Flange closure plate is all fixedly connected at the both ends open of strut 2.One end of Adjustable bracing bar 2 is removably connected with fixed support rod
1, the other end of Adjustable bracing bar 2 is removably connected with pars contractilis, the axis collinear of Adjustable bracing bar 2 and fixed support rod 1.It closes
It is diversified in dismountable mode, such as is threadedly coupled, clamping, is cooperatively connected, flange method is used in the present embodiment,
Adjustable bracing bar 2 is detachably connected with fixed support rod 1 by flange 7, and Adjustable bracing bar 2 is removable by flange 7 with pars contractilis
Unload connection.
And in order to avoid polluting the two-phase stainless steel material of evaporator surface in use, in Adjustable bracing bar 2
Plastic tube is coated on outer peripheral surface.
Three, fixed support rod 1
Fixed support rod 1 is used for conductance.Fixed support rod 1 uses carbon steel pipe.One end of fixed support rod 1 is removably connected with
The other end opening of Adjustable bracing bar 2, fixed support rod 1 is fixedly connected with closure plate 5, to get lodged in carbon steel pipe by closure plate 5
Open-ended place.It has been connected by screw to backing plate 6 on closure plate 5, has contacted backing plate 6 directly with the inner wall of evaporator.In order to avoid
The two-phase stainless steel material for polluting evaporator surface, is coated with plastic tube on the outer peripheral surface of fixed support rod 1, and backing plate 5 uses
Stainless steel material.
Single hole platform sling 4, the distance of single hole platform sling 4 to fixed 1 upper padding plate 5 of support rod are fixedly connected on fixed support rod 1
With being equidistant to pars contractilis upper padding plate 5 of single hole platform sling 4.In such manner, it is possible to be made by being fixed on single hole platform sling 4 on jack
Low-temperature multiple-effect seawater desalination evaporator pairing device is rotated around the center of evaporator to change low-temperature multiple-effect seawater desalination evaporator
Pairing device is placed on the position of evaporator.
A kind of group of round low-temperature multiple-effect seawater desalination evaporator of embodiment 2 is to method
The present embodiment adjusts the first round evaporator using the low-temperature multiple-effect seawater desalination evaporator pairing device in embodiment 1
Circularity.The group of the round low-temperature multiple-effect seawater desalination evaporator to method the following steps are included:
Step 1: selection and the Adjustable bracing bar 2 of the first round evaporator diameter adapted length are fixedly connected on fixed support rod 1
Between pars contractilis, that is, it is fixedly connected on Adjustable bracing bar 2 between fixed support rod 1 and jack 3 by flange 4.
Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device development length is round less than first to steam
Low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the first diameter of the first round evaporator by the first diameter for sending out device
On, i.e., axis, the axis of Adjustable bracing bar 2 and the extending direction of jack 3 of fixed support rod 1 and the first circle evaporator
First diameter is conllinear.
Elongation pars contractilis holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of pars contractilis in the first round evaporator
On inner wall, there is circular diameter corresponding with the first circle evaporator diameter, that is, to a group butt welding on the second round evaporator
Contact is located in the first circular diameter and first diameter.Observe low-temperature multiple-effect seawater desalination evaporator pairing device place first
Diameter is located at the two o'clock of the first round evaporator lower half circumference, when the first round evaporator first diameter is located at the endpoint of lower half circle
When concordant with the first circular diameter lower half circle endpoint is located at, that is, when meeting welding requirement, two concordant endpoints are welded into phases
Even.(1), first diameter A(0 are can refer in Fig. 5) B(0), the first circular diameter is the a(0 in Fig. 4) and b(0), as point B(0) and point
B(0 when) concordant, point B(0) and point b(0) is weldingly connected.
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporation
Diametrically, elongation pars contractilis holds out against the backing plate 5 of fixed support rod and the backing plate 5 of pars contractilis in the first round steaming to the Q of device
On the inner wall for sending out device.There is Q circular diameter corresponding with the first circle evaporator Q diameter on second round evaporator, the
One round evaporator Q diameter be located at lower half circle endpoint it is concordant with Q circular diameter lower half circle endpoint is located at when, two are concordantly held
Spot welding is connected.
(3) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporation
Diametrically, first diameter is the symmetrical center line of Q diameter and M diameter to the M of device, and elongation pars contractilis makes fixed support rod 1
Backing plate 5 and the backing plate 5 of pars contractilis hold out against on the inner wall of the first round evaporator.Have on second round evaporator and the
The corresponding M circular diameter of one round evaporator M diameter, the first round evaporator M diameter be located at the endpoint of lower half circle with
When concordant positioned at M circular diameter lower half circle endpoint, two concordant endpoints are weldingly connected；Wherein, Q > 1, M > 1.
(4) step: when taking the different value of Q, make low-temperature multiple-effect seawater desalination evaporator pairing device by counterclockwise or up time
Needle direction is placed sequentially on the different-diameter of the first round evaporator.In order to preferably discharge welding stress, upper semi-circle is under
The minimum angle of semicircle line of demarcation and first diameter is α, when taking the different value of Q and M, makes upper semi-circle and lower half circle line of demarcation and the
The minimum angle of Q diameter is smaller than equal to α, repeats to hold out against and weld operation in (2) Bu Ji (3) step.Wherein, α ∈
(0 °, 90 °].In the present embodiment, upper semi-circle and lower half circle line of demarcation are horizontal line, and first diameter is located at perpendicular with horizontal line
On straight line.
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator to X
On inner wall, there is X circular diameter corresponding with the first circle evaporator X diameter, first is round on the second round evaporator
Evaporator X diameter be located at the endpoint of upper semi-circle it is concordant with X circular diameter upper semi-circle endpoint is located at when, two concordant endpoints are welded
It is connected.
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporation
On the K diameter of device, first diameter is the symmetrical center line of X diameter and K diameter, and elongation pars contractilis makes fixed support rod
The backing plate of backing plate and pars contractilis is held out against on the inner wall of the first round evaporator, is had on the second round evaporator and the first circle
The corresponding K circular diameter of shape evaporator K diameter, the first round evaporator K diameter are located at the endpoint of upper semi-circle and are located at
When K circular diameter upper semi-circle endpoint is concordant, two concordant endpoints are weldingly connected；Wherein, X > 1, K > 1.
(3) step: taking the different value of X, makes low-temperature multiple-effect seawater desalination evaporator pairing device by counterclockwise or clockwise
Direction is placed sequentially on the different-diameter of the first round evaporator.In order to preferably discharge welding stress, X diameter and first
The minimum angle of diameter is β, takes the different value of X, K, so that X diameter and the minimum angle of first diameter is smaller than equal to β, repeats
It carries out holding out against and weld operation in (1) Bu Ji (2) step;Wherein, β ∈ (0 °, 90 °].
A kind of group of round low-temperature multiple-effect seawater desalination evaporator of embodiment 3 is to method
The present embodiment adjusts the first round steaming also with the low-temperature multiple-effect seawater desalination evaporator pairing device in embodiment 1
Send out the circularity of device.For the ease of using, it is swift to operate, this implementation on the basis of embodiment 2 further embody:
Step 0: marking the periphery (can be used as preparation process) of round evaporator
(1) step: along the first round evaporator periphery successively uniform intervals mark point A(0 clockwise) ..., A(n-1), A
(n), B(0) ..., B(n-1), B (n), and A(0) and line B(0) ..., A(n-1) and line B(n-1), A (n) with
The line of B (n) is the diameter of the first round evaporator, wherein n >=2.
In the present embodiment, n=9.Then along the first round evaporator periphery successively uniform intervals mark point A(0 clockwise), A
(1), A(2), A(3), A(4), A(5), A(6), A(7), A(8), A(9), B(0), B (1), B(2), B(3), B(4), B(5), B
(6), B(7), B(8), B(9), and A(0) and line, A (1) and B (1) B(0) line, A(2) and line, A(3 B(2))
Line, A(4 with B(3)) and line, A(5 B(4)) and line, A(6 B(5)) and line, A(7 B(6)) and B(7)
Line, A(8) and line, A(9 B(8)) and line B(9) be the diameter of the first round evaporator.
A(0 line) and B(0) is located on vertical line, A(5) and line B(5) be located at the boundary of upper semi-circle and lower half circle
On line.Then A(6), A(7), A(8), A(9), B(0), B (1), B(2), B(3), B(4), B(5) be located at lower half circle on, left point exists
On upper semi-circle.The mark point with reference to shown on Fig. 5 first round evaporator into Fig. 8.
(2) step: along the second round evaporator periphery, successively uniform intervals are marked and A on the first round evaporator clockwise
(0) ..., A(n-1), A (n), B(0) ..., B(n-1), the a(0 that is arranged in a one-to-one correspondence of B (n)) ..., a(n-1), a
(n), b(0) ..., b(n-1), b (n).
Along the second round evaporator periphery, successively uniform intervals are marked and A(0 on the first round evaporator), A clockwise
(1), A(2), A(3), A(4), A(5), A(6), A(7), A(8), A(9), B(0), B (1), B(2), B(3), B(4), B(5), B
(6), B(7), B(8), B(9) a(0 that is arranged in a one-to-one correspondence), a (1), a(2), a(3), a(4), a(5), a(6), a(7), a(8),
A(9), b(0), b (1), b(2), b(3), b(4), b(5), b(6), b(7), b(8), b(9), then a(0) and line b(0) be located at
On vertical line, a(5) b(5) line be located on the line of demarcation of upper semi-circle and lower half circle.With reference on the in Fig. 4 second round evaporator
Shown mark point.
Step 1: selection and the Adjustable bracing bar 2 of the first round evaporator diameter adapted length are fixedly connected on fixed support rod 1
Between jack 3, adaptation referred herein refers to that the diameter of the first round evaporator is evaporated between low-temperature multiple-effect seawater desalination
When limiting length and jack 3 of the device pairing device when jack 3 extends shorten between limiting length.
Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle
(1) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the circle of the first round evaporator
Zhou Zhongxin rotation, is placed on A(0 for low-temperature multiple-effect seawater desalination evaporator pairing device) and line B(0) on, with reference in Fig. 5
(1) shown in, elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 1 in the first round evaporator
Inner wall on.Point B(0) and point b(0) is weldingly connected by the round evaporator of observation two when point B(0) is concordant with point b(0).
(2) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (1) and B (1), reference
In Fig. 5 shown in (2), elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.Point B (1) and point b (1) is welded phase when point B (1) is concordant with point b (1) by the round evaporator of observation two
Even.
(3) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (9) and B (9), reference
In Fig. 5 shown in (3), elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.The round evaporator of observation two, when point A (9) is concordant at point a (9) position, by point A (9) and point a (9)
It is weldingly connected.
(4) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (2) and B (2), reference
In Fig. 6 shown in (4), elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.The round evaporator of observation two, when point B (2) is concordant at point b (2) position, by point B (2) and point b (2)
It is weldingly connected.
(5) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (8) and B (8), reference
In Fig. 6 shown in (5), elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.The round evaporator of observation two, when point A (8) is concordant at point a (8) position, by point A (8) and point a (8)
It is weldingly connected.
(6) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (3) and B (3), reference
In Fig. 7 shown in (6), elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.The round evaporator of observation two, when point B (3) is concordant at point b (3) position, by point B (3) and point b (3)
It is weldingly connected.
(7) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (7) and B (7), reference
In Fig. 7 shown in (7), elongation jack 3 holds out against the backing plate 5 of fixed support rod and the backing plate 5 of jack 3 in the first round steaming
On the inner wall for sending out device.The round evaporator of observation two welds point A (7) and point a (7) when point A (7) is concordant at point a (7) position
It connects connected.
(8) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (4) and B (4), reference
In Fig. 8 shown in (8), elongation jack 3 holds out against the backing plate 5 of fixed support rod 2 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.The round evaporator of observation two, when point B (4) is concordant at point b (4) position, by point B (4) and point b (4)
It is weldingly connected.
(9) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (6) and B (6), reference
In Fig. 8 shown in (9), elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.The round evaporator of observation two, when point A (6) is concordant at point a (6) position, by point A (6) and point a (6)
It is weldingly connected.
(10) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (5) and B (5), reference
In Fig. 8 shown in (10), elongation jack 3 holds out against the backing plate 5 of fixed support rod 1 and the backing plate 5 of jack 3 in the first circle
On the inner wall of evaporator.The round evaporator of observation two, when point B (5) is concordant at point b (5) position, by point B (5) and point b (5)
It is weldingly connected.
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the circle of the first round evaporator
Zhou Zhongxin rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (5) and B (5), with reference in Fig. 8
(10) shown in, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
On wall.When point A (5) is concordant at point a (5) position, point A (5) and point a (5) are weldingly connected.
(2) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (6) and B (6), reference
In Fig. 8 shown in (9), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on when point B (6) is concordant at point b (6) position, point B (6) and point b (6) are weldingly connected.
(3) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (4) and B (4), reference
In Fig. 8 shown in (8), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point A (4) is concordant at point a (4) position, point A (4) and point a (4) are weldingly connected.
(4) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (7) and B (7), reference
In Fig. 7 shown in (7), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point B (7) is concordant at point b (7) position, point B (7) and point b (7) are weldingly connected.
(5) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (3) and B (3), reference
In Fig. 7 shown in (6), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point A (3) is concordant at point a (3) position, point A (3) and point a (3) are weldingly connected.
(6) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (8) and B (8), reference
In Fig. 6 shown in (5), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point B (8) is concordant at point b (8) position with concordant and point B (8) at point b (8) position, by point B (8) with
Point b (8) is weldingly connected, point B (8) and point b (8) is weldingly connected.
(7) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (2) and B (2), reference
In Fig. 6 shown in (4), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point A (2) is concordant at point a (2) position, point A (2) and point a (2) are weldingly connected.
(8) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (9) and B (9), reference
In Fig. 5 shown in (3), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point B (9) is concordant at point b (9) position, point B (9) and point b (9) are weldingly connected.
(9) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (1) and B (1), reference
In Fig. 5 shown in (2), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point A (1) is concordant at point a (1) position, point A (1) and point a (1) are weldingly connected.
(10) step: shortening jack 3, makes low-temperature multiple-effect seawater desalination evaporator pairing device around the first round evaporator
Circle center's rotation, low-temperature multiple-effect seawater desalination evaporator pairing device is placed on the line of A (0) and B (0), reference
In Fig. 5 shown in (1), elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator
Inner wall on.When point A (0) is concordant at point a (0) position, point A (0) and point a (0) are weldingly connected.
After the completion of two round evaporator spot welding, the remainder between two round evaporators can be welded.
It should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, to those skilled in the art, still can be right
Technical solution documented by the various embodiments described above is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (9)
1. a kind of group of circle low-temperature multiple-effect seawater desalination evaporator is to method, it is characterised in that: light using low-temperature multi-effect seawater
Change evaporator pairing device to adjust the circularity of the first round evaporator；
The low-temperature multiple-effect seawater desalination evaporator pairing device include the fixation support rod set gradually, Adjustable bracing bar and
Pars contractilis；Adjustable bracing bar is removably connected between fixed support rod and pars contractilis, and pars contractilis can be along Adjustable bracing bar axis
Line direction is flexible；The opening of fixed support rod and Adjustable bracing bar is all fixedly connected with closure plate, fixes support rod and stretches
The backing plate being in contact with evaporator inner wall is all fixed in portion；
The group of the round low-temperature multiple-effect seawater desalination evaporator to method the following steps are included:
Step 1: the Adjustable bracing bar of selection and the first round evaporator diameter adapted length be fixedly connected on fixed support rod with
Between pars contractilis；
Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis makes the backing plate of fixed support rod and the backing plate of pars contractilis hold out against the inner wall in the first round evaporator
On, there is circular diameter corresponding with the first circle evaporator diameter, when the first round evaporator is straight on the second round evaporator
Diameter be located at the endpoint of lower half circle it is concordant with circular diameter lower half circle endpoint is located at when, two concordant endpoints are weldingly connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
On different-diameter, repeat to hold out against and weld operation in (1) step；
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis makes the backing plate of fixed support rod and the backing plate of pars contractilis hold out against the inner wall in the first round evaporator
On, there is circular diameter corresponding with the first circle evaporator diameter, the first round evaporator diameter on the second round evaporator
When concordant with circular diameter upper semi-circle endpoint is located at positioned at the endpoint of upper semi-circle, two concordant endpoints are weldingly connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
On different-diameter, repeat to hold out against and weld operation in (1) step.
2. the group of circle low-temperature multiple-effect seawater desalination evaporator according to claim 1 is to method, it is characterised in that:
Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis makes the backing plate of fixed support rod and the backing plate of pars contractilis hold out against the inner wall in the first round evaporator
On, there is the first circular diameter corresponding with the first circle evaporator first diameter, the first round steaming on the second round evaporator
Hair device first diameter be located at the endpoint of lower half circle it is concordant with the first circular diameter lower half circle endpoint is located at when, by two concordant endpoints welding
It is connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator to Q
On inner wall, there is Q circular diameter corresponding with the first circle evaporator Q diameter, first is round on the second round evaporator
Evaporator Q diameter be located at the endpoint of lower half circle it is concordant with Q circular diameter lower half circle endpoint is located at when, two concordant endpoints are welded
It is connected；
(3) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, first diameter is the symmetrical center line of Q diameter and M diameter to M, and elongation pars contractilis makes the backing plate of fixed support rod
And the backing plate of pars contractilis is held out against on the inner wall of the first round evaporator, is had on the second round evaporator and the first round steaming
The corresponding M circular diameter of device M diameter is sent out, the first round evaporator M diameter is located at the endpoint of lower half circle and is located at M circle
When diameter lower half circle endpoint is concordant, two concordant endpoints are weldingly connected；Wherein, Q > 1, M > 1；
(4) step: taking the different value of Q, selects on the different-diameter and the second round evaporator on the first round evaporator
Different circular diameter positions repeat to hold out against and weld operation in (2) Bu Ji (3) step；
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
Diametrically, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis in the first round evaporator to X
On inner wall, there is X circular diameter corresponding with the first circle evaporator X diameter, first is round on the second round evaporator
Evaporator X diameter be located at the endpoint of upper semi-circle it is concordant with X circular diameter upper semi-circle endpoint is located at when, two concordant endpoints are welded
It is connected；
(2) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on the first round evaporator
On K diameter, first diameter is the symmetrical center line of X diameter and K diameter, and elongation pars contractilis makes the backing plate of fixed support rod
And the backing plate of pars contractilis is held out against on the inner wall of the first round evaporator, is had on the second round evaporator and the first round steaming
The corresponding K circular diameter of device K diameter is sent out, the first round evaporator K diameter is located at the endpoint of upper semi-circle and is located at K circle
When diameter upper semi-circle endpoint is concordant, two concordant endpoints are weldingly connected；Wherein, X > 1, K > 1；
(3) step: taking the different value of X, selects on the different-diameter and the second round evaporator on the first round evaporator
Different circular diameter positions repeat to hold out against and weld operation in (2) Bu Ji (3) step.
3. the group of circle low-temperature multiple-effect seawater desalination evaporator according to claim 2 is to method, it is characterised in that:
(4) step in step 2: taking the different value of Q and M, make low-temperature multiple-effect seawater desalination evaporator pairing device by counterclockwise or
It is placed sequentially on the different-diameter of the first round evaporator clockwise, repeats to hold out against in (2) Bu Ji (3) step
And welding operation；
(3) step in step 3: taking the different value of X, K, makes low-temperature multiple-effect seawater desalination evaporator pairing device by counterclockwise or suitable
Clockwise is placed sequentially on the different-diameter of the first round evaporator, repeat to hold out against in (1) Bu Ji (2) step and
Welding operation.
4. the group of circle low-temperature multiple-effect seawater desalination evaporator according to claim 2 or 3 is to method, it is characterised in that:
(4) step in step 2: the minimum angle of upper semi-circle and lower half circle line of demarcation and first diameter is α, takes the difference of Q and M
Value makes the minimum angle of upper semi-circle and lower half circle line of demarcation and Q diameter smaller than be equal to α, repeats (2) Bu Ji
(3) operation is held out against and welded in step；
(3) step in step 3: X diameter and the minimum angle of first diameter are β, take the different value of X, K, make X diameter and
The minimum angle of one diameter is smaller than equal to β, repeats to hold out against and weld operation in (1) Bu Ji (2) step;Wherein, α ∈
(0 °, 90 °]；β ∈ (0 °, 90 °].
5. the group of circle low-temperature multiple-effect seawater desalination evaporator according to claim 4 is to method, it is characterised in that: upper half
Round is horizontal line with lower half circle line of demarcation, first diameter be located at on the vertical line of horizontal line.
6. the group of circle low-temperature multiple-effect seawater desalination evaporator according to claim 4 is to method, it is characterised in that:
Step 0: marking the periphery of round evaporator
(1) step: along the first round evaporator periphery successively uniform intervals mark point A(0 clockwise) ..., A(n-1), A
(n), B(0) ..., B(n-1), B (n), and A(0) and line B(0) ..., A(n-1) and line B(n-1), A (n) with
The line of B (n) is the diameter of the first round evaporator, wherein n >=2；
(2) step: along the second round evaporator periphery, successively uniform intervals are marked and A on the first round evaporator clockwise
(0) ..., A(n-1), A (n), B(0) ..., B(n-1), the a(0 that is arranged in a one-to-one correspondence of B (n)) ..., a(n-1), a
(n), b(0) ..., b(n-1), b (n).
7. the group of circle low-temperature multiple-effect seawater desalination evaporator according to claim 6 is to method, it is characterised in that:
Step 0: marking the periphery of round evaporator
(1) step: along the first round evaporator periphery successively uniform intervals mark point A(0 clockwise), A (1), A(2), A(3), A
(4), A(5), A(6), A(7), A(8), A(9), B(0), B (1), B(2), B(3), B(4), B(5), B(6), B(7), B(8), B
(9), and A(0) and line, A (1) and B (1) B(0) line, A(2) and line, A(3 B(2)) and line, A B(3)
(4) and B(4) line, A(5) and line, A(6 B(5)) and line, A(7 B(6)) and line, A(8 B(7)) and B(8)
Line, A(9) and line B(9) be the diameter of the first round evaporator, A(0) and line B(0) be located on vertical line,
A(5 line) and B(5) is located on the line of demarcation of upper semi-circle and lower half circle；
(2) step: along the second round evaporator periphery clockwise successively uniform intervals label and A(0 on the first round evaporator),
A (1), A(2), A(3), A(4), A(5), A(6), A(7), A(8), A(9), B(0), B (1), B(2), B(3), B(4), B(5), B
(6), B(7), B(8), B(9) a(0 that is arranged in a one-to-one correspondence), a (1), a(2), a(3), a(4), a(5), a(6), a(7), a(8),
A(9), b(0), b (1), b(2), b(3), b(4), b(5), b(6), b(7), b(8), b(9)；
Step 1: the Adjustable bracing bar of selection and the first round evaporator diameter adapted length be fixedly connected on fixed support rod with
Between pars contractilis；
Step 2: the first round evaporator lower half circle is weldingly connected with the second round evaporator lower half circle
(1) step: shortening pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A(0) and line B(0)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B(0) is concordant with point b(0), point B(0) and point b(0) is weldingly connected；
(2) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (1) Yu B (1)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (1) is concordant with point b (1), point B (1) and point b (1) are weldingly connected；
(3) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (9) Yu B (9)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (9) is concordant at point a (9) position, point A (9) and point a (9) are weldingly connected；
(4) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (2) Yu B (2)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (2) is concordant at point b (2) position, point B (2) and point b (2) are weldingly connected；
(5) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (8) Yu B (8)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (8) is concordant at point a (8) position, point A (8) and point a (8) are weldingly connected；
(6) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (3) Yu B (3)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (3) is concordant at point b (3) position, point B (3) and point b (3) are weldingly connected；
(7) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (7) Yu B (7)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (7) is concordant at point a (7) position, point A (7) and point a (7) are weldingly connected；
(8) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (4) Yu B (4)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (4) is concordant at point b (4) position, point B (4) and point b (4) are weldingly connected；
(9) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (6) Yu B (6)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (6) is concordant at point a (6) position, point A (6) and point a (6) are weldingly connected；
(10) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (5) Yu B (5)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (5) is concordant at point b (5) position, point B (5) and point b (5) are weldingly connected；
Step 3: the first round evaporator upper semi-circle is weldingly connected with the second round evaporator upper semi-circle
(1) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (5) Yu B (5)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (5) is concordant at point a (5) position, point A (5) and point a (5) are weldingly connected；
(2) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (6) Yu B (6)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (6) is concordant at point b (6) position, point B (6) and point b (6) are weldingly connected；
(3) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (4) Yu B (4)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (4) is concordant at point a (4) position, point A (4) and point a (4) are weldingly connected；
(4) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (7) Yu B (7)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (7) is concordant at point b (7) position, point B (7) and point b (7) are weldingly connected；
(5) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (3) Yu B (3)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (3) is concordant at point a (3) position, point A (3) and point a (3) are weldingly connected；
(6) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (8) Yu B (8)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (8) is concordant at point b (8) position with concordant and point B (8) at point b (8) position, point B (8) and point b (8) is welded
It is connected, point B (8) and point b (8) is weldingly connected；
(7) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (2) Yu B (2)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (2) is concordant at point a (2) position, point A (2) and point a (2) are weldingly connected；
(8) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (9) Yu B (9)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point B (9) is concordant at point b (9) position, point B (9) and point b (9) are weldingly connected；
(9) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (1) Yu B (1)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (1) is concordant at point a (1) position, point A (1) and point a (1) are weldingly connected；
(10) step: shorten the line that pars contractilis makes low-temperature multiple-effect seawater desalination evaporator pairing device be placed on A (0) Yu B (0)
On, elongation pars contractilis holds out against the backing plate of fixed support rod and the backing plate of pars contractilis on the inner wall of the first round evaporator,
When point A (0) is concordant at point a (0) position, point A (0) and point a (0) are weldingly connected.
8. according to claim 1-3, the group other side of rectangular low-temperature multiple-effect seawater desalination evaporator described in any one of 5-7
Method, it is characterised in that: in step 1 and step 2, consolidate low-temperature multiple-effect seawater desalination evaporator pairing device by single hole platform sling
It is scheduled on jack, rotates low-temperature multiple-effect seawater desalination evaporator pairing device around the center of circle.
9. the group of rectangular low-temperature multiple-effect seawater desalination evaporator according to claim 8 is to method, it is characterised in that: flexible
Portion is jack.
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