CN209714326U - Nuclear power plant's integration boric acid solution distilling apparatus - Google Patents
Nuclear power plant's integration boric acid solution distilling apparatus Download PDFInfo
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- CN209714326U CN209714326U CN201920252797.2U CN201920252797U CN209714326U CN 209714326 U CN209714326 U CN 209714326U CN 201920252797 U CN201920252797 U CN 201920252797U CN 209714326 U CN209714326 U CN 209714326U
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Abstract
The utility model discloses a kind of nuclear power plant's integration boric acid solution distilling apparatus, including destilling tower, it is provided with the first cylinder, the first upper cover and the first lower head, top is connected with vapor outlet port adapter tube, bottom is connected with efferent duct, and entrance tube coupling is provided on the first cylinder；Heat exchanger, it is provided with the second cylinder, the both ends of second cylinder are respectively arranged with upper tube box and lower tube box, heat exchanger tube is provided in second cylinder, the top of second cylinder is provided with steam inlet, lower part is provided with condensate outlet, and upper tube box is connected with pipe side outlet shell ring, and lower tube box is connected with pipe side-entrance shell ring；Heat exchanger is fixed by the bracket the side on destilling tower or being independently supported at destilling tower, heat exchanger and destilling tower pass through top connecting tube component and lower connection pipe members, top connecting tube component one end is connect with the entrance tube coupling of the first cylinder, the other end is connect with pipe side outlet shell ring, lower connection pipe component one end is connect with efferent duct, and the other end is connect with pipe side-entrance shell ring.
Description
Technical field
The utility model belongs to nuclear power field, and more specifically, the utility model relates to a kind of nuclear power plant's integration boric acid
Solution distilling apparatus.
Background technique
Nuclear power plant during normal operation, part primary Ioops coolant can be discharged into cooling developing agent storage and processing system and carry out
Processing, reactor coolant is separated into concentration boric acid solution (boron concentration 7000mg/kg) and distillate (make-up water), into one
Step is reused in reactor coolant loop.
In the configuration of general nuclear power plant, in order to realize the distillation and concentration separation of boric acid solution, need that destilling tower is separately provided
And heat exchanger, it needs to carry out pipeline connection therebetween, and corresponding insulating layer is arranged.Due to from heat exchanger to destilling tower away from
From farther out, flow resistance is relatively large, it is also necessary to and delivery pump is set between and is driven, finally makes device excessively huge,
And cost is very high.Simultaneously as there are the temperature difference between device, expansion joint need to be also set in connecting pipe.
In view of this, it is necessory to provide, one kind is compact-sized, arranges that the boric acid between convenient, destilling tower and heat exchanger is molten
Liquid does not need pump and is driven, can carry out the low nuclear power plant's integration boric acid solution of Natural Circulation, overall cost by density contrast
Distilling apparatus.
Utility model content
The purpose of this utility model is that: overcome the deficiencies of the prior art and provide a kind of compact-sized, arrangement convenience, steaming
Evaporate the boric acid solution between tower and heat exchanger do not need pump driven, can by density contrast carry out Natural Circulation, overall cost
Low nuclear power plant's integration boric acid solution distilling apparatus.
To achieve the goals above, the utility model provides a kind of nuclear power plant's integration boric acid solution distilling apparatus, packet
It includes:
Destilling tower is provided with the first cylinder, the first upper cover and the first lower head, and top is connected with vapor outlet port adapter tube,
Bottom is connected with efferent duct, and entrance tube coupling is provided on the first cylinder；And
Heat exchanger, is provided with the second cylinder, and the both ends of the second cylinder are respectively arranged with upper tube box and lower tube box, the second cylinder
It is inside provided with heat exchanger tube, the top of the second cylinder is provided with steam inlet, and lower part is provided with condensate outlet, and upper tube box is connected with
Pipe side outlet shell ring, lower tube box are connected with pipe side-entrance shell ring；
Wherein, heat exchanger is fixed by the bracket the side on destilling tower or being independently supported at destilling tower, heat exchanger and steaming
Tower is evaporated by top connecting tube component and lower connection pipe members, on one end of top connecting tube component and the first cylinder
The connection of entrance tube coupling, the other end are connect with pipe side outlet shell ring, and one end of lower connection pipe component is connect with efferent duct, the other end
It is connect with pipe side-entrance shell ring.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the middle part of the heat exchanger
Position is provided with support member, and the support member is detachably fixed with the bracket and connect.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the bracket is triangle
Inclined support structure, one side and the destilling tower weld, and form a horizontal bearing plane, and the other side and the support member pass through spiral shell
Bolt is fixed, and heat exchanger is fixed by the bracket on the destilling tower.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the entrance tube coupling connection
There is entrance union flange, the pipe side outlet shell ring is connected with pipe side outlet flange, and the top connecting tube component includes first
Connecting tube, the first left flange and the first right flange, the first connecting tube are welded with the first left flange, the first right flange respectively,
First left flange is fastenedly connected with entrance union flange by bolt, and the first right flange and pipe side outlet flange pass through bolt
It is fastenedly connected.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the efferent duct is connected with
Flange, the pipe side-entrance shell ring are connected with pipe side-entrance flange, and the lower connection pipe component includes the second connecting tube, second
Left flange and the second right flange, the second connecting tube are welded with the second left flange, the second right flange respectively, the second left flange with
The flange of efferent duct connection is fastenedly connected by bolt, and the second right flange is fastened with pipe side-entrance flange by bolt
Connection.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the destilling tower is also connected with
There are feed pipe and discharge nozzle, the discharge nozzle is mounted on the outside of first lower head, is connected to the first lower head inside, institute
The lower outside that feed pipe is mounted on first cylinder is stated, is connected to the inside of the first cylinder.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the destilling tower further includes
Skirt arranged at the bottom is provided with skirt ring, sets on the skirt ring between first cylinder and first lower head
It is equipped with flange, flange is welded to connect with the first cylinder, the first lower head and skirt respectively, and the bottom of the skirt is fixed on coagulation
On earth foundation.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, also welded on the destilling tower
It is connected to manhole tube coupling, manhole flange has been bolted in manhole tube coupling.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the heat exchanger further includes
Second upper cover and the second lower head, second upper cover are connected with exhaust pipe, and second lower head is connected with drain pipe,
One end of the exhaust pipe is inserted into the first cylinder of the destilling tower.
As a kind of improvement of the utility model nuclear power plant integration boric acid solution distilling apparatus, the destilling tower with it is described
The distance between heat exchanger outer surface is 1.0m~1.6m
Compared with the existing technology, the utility model nuclear power plant integration boric acid solution distilling apparatus has following Advantageous
Effect:
1) heating-distillation integrative operation is realized, apparatus structure is compact, and arrangement is convenient；
2) it does not need individually to set to kinetic pump to be driven, Natural Circulation can be carried out by density contrast, overall cost is low；
3) package unit only has one basis of destilling tower, and no thermal (temperature difference) stress is, it can be achieved that dense to the separation of primary Ioops coolant
Contracting function.
Detailed description of the invention
With reference to the accompanying drawings and detailed description, to the utility model nuclear power plant integration boric acid solution distilling apparatus into
Row is described in detail, in which:
Fig. 1 is the structural schematic diagram of the utility model nuclear power plant integration boric acid solution distilling apparatus.
Fig. 2 is the structural schematic diagram (skirt of the destilling tower of the utility model nuclear power plant integration boric acid solution distilling apparatus
It is not shown).
Fig. 3 is the cross-sectional view of the destilling tower of the utility model nuclear power plant integration boric acid solution distilling apparatus.
Fig. 4 is skirt ring structure and the connection type signal of the utility model nuclear power plant integration boric acid solution distilling apparatus
Figure.
Fig. 5 is the structural schematic diagram of the heat exchanger of the utility model nuclear power plant integration boric acid solution distilling apparatus.
Fig. 6 is that the cross-sectional view of the heat exchanger of the utility model nuclear power plant integration boric acid solution distilling apparatus (only shows one
Root heat exchanger tube).
Fig. 7 is that the top of the utility model nuclear power plant integration boric acid solution distilling apparatus connects the structural representation of rod unit
Figure.
Fig. 8 is the structural representation of the lower coupling pole component of the utility model nuclear power plant integration boric acid solution distilling apparatus
Figure.
Fig. 9 is the structural schematic diagram of the bracket of the utility model nuclear power plant integration boric acid solution distilling apparatus.
Figure 10 is the structure when heat exchanger of the utility model nuclear power plant integration boric acid solution distilling apparatus independently supports
Schematic diagram.
Attached drawing mark:
10- destilling tower；The first cylinder of 100-；The first upper cover of 102-；The first lower head of 104-；106- vapor outlet port connects
Pipe；108- efferent duct；110- entrance tube coupling；112- filler；114- skirt；116- skirt ring；118- tube socket；119- flange；
120- entrance union flange；122- feed pipe；124- discharge nozzle；126- manhole tube coupling；128- manhole flange；20- heat exchanger；
The second cylinder of 200-；202- upper tube box；204- lower tube box；206- heat exchanger tube；208- pipe side outlet shell ring；210- pipe side-entrance cylinder
Section；212- upper perforated plate；214- lower perforated plate；216- pipe side outlet flange；218- pipe side-entrance flange；The second upper cover of 220-；
The second lower head of 224-；226- upper tube box flange；228- exhaust nozzle；230- exhaust flange；232- exhaust pipe；234- steam into
Mouth pipe；236- condensate outlet ozzle；238- lower tube box flange；240- drain ozzle；242- support member；30- bracket；300-
Horizontal part；302- bearing diagonal portion；304- is horizontally-supported；306- is supported vertically；The support of 308- biassed fabric；The top 40- connecting section
Part；The first connecting tube of 400-；The left flange of 402- first；The right flange of 404- first；50- lower connection pipe component；500- second connects
Adapter tube；The left flange of 502- second；The right flange of 504- second.
Specific embodiment
In order to be more clear the purpose of this utility model, technical solution and its technical effect, below in conjunction with attached drawing and tool
Body embodiment, the present invention will be further described in detail.It should be understood that specific reality described in this specification
Mode is applied just for the sake of explaining the utility model, is not intended to limit the utility model.
In the description of the present invention, it should be noted that unless otherwise indicated, the meaning of " plurality " is two or two
More than a；The orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" is merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
The noun of locality of middle appearance described below is direction shown in figure, is not the tool to the product of the utility model
Body structure is defined.In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited,
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It please refers to shown in Fig. 1 to Figure 10, the utility model nuclear power plant integration boric acid solution distilling apparatus includes:
Destilling tower 10, is fixed in concrete foundation, is provided with the first cylinder 100, the first upper cover 102 and the first lower envelope
First 104, top is connected with vapor outlet port adapter tube 106, and bottom is connected with efferent duct 108, is provided with inlet tube on the first cylinder 100
Section 110；And
Heat exchanger 20, is provided with the second cylinder 200, and the both ends of the second cylinder 200 are respectively arranged with upper tube box 202 and down tube
Case 204 is provided with heat exchanger tube 206 in second cylinder 200, and the top of the second cylinder 200 is provided with steam inlet, and lower part is provided with
Condensate outlet, upper tube box 202 are connected with pipe side outlet shell ring 208, and lower tube box 204 is connected with pipe side-entrance shell ring 210；
Wherein, heat exchanger 20 is fixed on destilling tower 10 or is independently supported at the side of destilling tower 10 by bracket 30, is changed
Hot device 20 is connected to destilling tower 10 by top connecting tube component 40 and lower connection pipe component 50, top connecting tube component 40
One end is connect with the entrance tube coupling 110 on the first cylinder 100, and the other end is connect with pipe side outlet shell ring 208, lower connection pipe portion
One end of part 50 is connect with efferent duct 108, and the other end is connect with pipe side-entrance shell ring 210.
Described please see Fig. 2 to Fig. 4, destilling tower 10 is fixed in concrete foundation by supporting element, and destilling tower 10 is to fill out
Expect tower or plate column, in the shown embodiment, destilling tower 10 is packed tower, filler 112 is filled in destilling tower 10, in this reality
With in novel other embodiments, filler 112 can be replaced with column plate, column plate can be arranged according to plate theory separation principle
Specification.
In the shown embodiment, supporting element is skirt 114, and destilling tower 10 is fixed on concrete foundation by skirt 114
On, the first cylinder 100 and the first upper cover 102 are welded to connect, and the top of the first upper cover 102 is welded and connected with vapor outlet port and connects
Pipe 106 is welded and connected with skirt ring 116 between first cylinder 100 and the first lower head 104, skirt ring 116 is provided with flange,
Flange there are three being preferably provided with, and three flanges pass through welding with the first cylinder 100, the first lower head 104 and skirt 114 respectively
Fixed, entire integrated boric acid solution distilling apparatus is fixed on concrete foundation by screw bolt and nut by the bottom of skirt 114
On.
The outer diameter of skirt 114 is greater than the outer diameter of the first lower head 104, and the first lower head 104 is set in skirt 114
Interior, skirt 114 is located at the bottom of entire destilling tower 10.In the other embodiments of the utility model, supporting element can also be branch
Frame structure, supporting structure can be directly fixed with the first lower head 104.Meanwhile first lower head 104 and the first cylinder 100 bottom
It portion can also being directly welded to connect.
Efferent duct 108 is bend pipe, and welding is provided with tube socket 118, efferent duct between efferent duct 108 and the first lower head 104
108 end is welded with flange 119, and boric acid solution is located at the bottom of destilling tower 10, and flange 119 passes through lower connection pipe component 50
It is attached with heat exchanger 20, boric acid solution is changed from tube socket 118, efferent duct 108, flange 119, the inflow of lower connection pipe component 50
In the lower tube box 204 of hot device 20, enters back into heat exchanger tube 206 and be heated.
Entrance tube coupling 110 is connected to the welding of the first cylinder 100, and one end welding of entrance tube coupling 110 is provided with entrance tube coupling
Flange 120, entrance union flange 120 are connected by top connecting tube component 40 with heat exchanger 20, and boric acid solution is in heat exchanger
It is heated in 20 heat exchanger tube 206, density contrast drives it into the upper tube box 202 of heat exchanger 20, and (boric acid solution at this time is in
About 2%) saturation state of vapour-liquid mixing, the vapour phase score of steam, then pass through top connecting tube component 40, through entrance tube coupling method
Orchid 120, entrance tube coupling 110 are back to destilling tower 10, and wherein steam rising continues distillation separation in filler 112, finally divide
From water vapour outer welding system is drained by vapor outlet port adapter tube 106, and concentrated boric acid solution then relies on gravity to fall back to destilling tower 10
Bottom, be heated after going successively to heat exchanger 20, which is repeated, and boric acid solution is constantly concentrated.
Destilling tower 10 is also connected with feed pipe 122 and discharge nozzle 124, and feed pipe 122 is mainly used for initial boric acid solution
Charging, after boric acid solution is concentrated to a certain degree, is expelled to other systems by discharge nozzle 124 and is stored.Specifically, out
Expects pipe 124 is mounted on the outside of the first lower head 104, and is connected to inside the first lower head 104.The welding of feed pipe 122 is mounted on
The lower outside of first cylinder 100 is connected to the inside of the first cylinder 100.
Manhole tube coupling 126 is also welded on first cylinder 100, manhole tube coupling 126 is connected with flange, and passes through bolt and people
Hole flange 128 connects and composes manhole, the internal overhaul for destilling tower 10.
Further, skirt 114 is one columnar structured, offers inspection hole, discharge nozzle 124 and efferent duct 108 thereon
It is passed through inside skirt 114, therefore offers through-hole in 114 corresponding position of skirt, set convenient for discharge nozzle 124 and efferent duct 108
It sets.
It please refers to shown in Fig. 5 and Fig. 6, upper tube box 202 and lower tube box 204 are located at the both ends of the second cylinder 200, upper tube box
202 and second are provided with upper perforated plate 212 between cylinder 200, are provided with lower perforated plate between lower tube box 204 and the second cylinder 200
214, multiple pores are uniformly provided on upper perforated plate 212 and lower perforated plate 214, the heat exchanger tube 206 being arranged in the second cylinder 200 is uniform
Be distributed between upper perforated plate 212 and lower perforated plate 214, welded after penetrating the pore in tube sheet.It is negative according to different heat
Lotus, a general heat exchanger 20 tool have hundreds to thousands of heat exchanger tubes 206.
Upper tube box 202 is welded and connected with pipe side outlet shell ring 208, for the ease of being connect with top connecting tube component 40, pipe
Side outlet shell ring 208 is welded and connected with pipe side outlet flange 216, and pipe side outlet flange 216 passes through with top connecting tube component 40
Gasket and bolt and nut are fastened, thus the boric acid vapour-liquid mixed solution being heated inside 20 heat exchanger tube 206 of heat exchanger returns
It is back to inside destilling tower 10.
Lower tube box 204 is welded and connected with pipe side-entrance shell ring 210, for the ease of being connect with lower connection pipe component 50, pipe
Side-entrance shell ring 210 is welded with pipe side-entrance flange 218, and pipe side-entrance flange 218 and lower connection pipe component 50 pass through gasket
Fastened with bolt and nut, in destilling tower 10 thus the boric acid solution of bottom enters the lower tube box 204 of heat exchanger 20, then into
Enter and is heated in heat exchanger tube 206.
Heat exchanger 20 further includes the second upper cover 220 and the second lower head 224, the bottom of the second upper cover 220 and upper tube
The top of case 202, which is respectively welded, is provided with upper tube box flange 226, and gasket and bolt spiral shell are used between two upper tube box flanges 226
Mother fastens, and can be dismantled.
The top of second upper cover 220 is welded with exhaust nozzle 228, and exhaust nozzle 228 is welded with exhaust flange 230, row
Gas flange 230 has exhaust pipe 232 by corresponding flanged joint, and the other end of exhaust pipe 232 is inserted into destilling tower 10, In
In illustrated embodiment, in the filler 114 in the other end insertion destilling tower 10 of exhaust pipe 232, it is mainly used for being vented.Two rows
It is fastened, can be dismantled using gasket and bolt and nut between gas flange.
The top of second cylinder 200 is provided with steam inlet, and lower part is provided with condensate outlet, the company of welding at steam inlet
It is connected to steam inlet pipe 234, condensate outlet ozzle 236 is welded and connected at condensate outlet, the heating steam of shell-side is by steaming
Vapor inlet pipe 234 enters the shell-side of heat exchanger 20, is constantly cooled down during heating heat exchanger tube 206 from top to bottom, finally
The overwhelming majority is cooled to condensate liquid, is expelled to outer welding system from shell-side condensation liquid outlet nozzle 236.
The top of second lower head 224 and the bottom of lower tube box 204, which are respectively welded, is provided with lower tube box flange 238, and two
It is fastened, can be dismantled using gasket and bolt and nut between lower tube box flange 238.
The bottom of second lower head 224 is welded with drain ozzle 240, and the residual of 20 pipe side of heat exchanger is discharged when for overhauling
Night.
Heat exchanger 20 further includes the multiple support members 242 being arranged on the outside of 200 middle section of the second cylinder, it is multiple for 2,3,
4,5,6 or more, support member 242 includes the fixed plate that vertically arranged fixed plate and horizontal direction are arranged, vertical fixed plate
A side and the second cylinder 200 weld, the horizontal plane of bottom and horizontal direction fixed plate welds, a side of horizontal direction fixed plate
It is welded with the second cylinder 200, while being provided with bolt hole in horizontal direction fixed plate.In order to guarantee support member 242 and second
The bonding strength of cylinder 200 can be spaced welding and multiple vertical fixed plates are arranged, and particular number is selected as needed.It is excellent
Selection of land, there are three support members 242 for welding setting on the outer wall of the second cylinder 200, and interim two are correspondingly arranged at second
The two sides of body 200, the centre of the two, the support member 242 at intermediate position and the support member 242 on both sides is arranged in another
Angle be 90o.Specifically, it is welded on the outside of support member 242 and the second cylinder 200, heat exchanger 20 during installation, supports
Component 242 is placed in bracket 30, and blending bolt and nut are fastened.
It please refers to shown in Fig. 7, top connecting tube component 40 includes the first connecting tube 400, first left 402, first right side of flange
Flange 404.Preferably, the first connecting tube 400 is bend pipe, and both ends are carried out with the first left flange 402, the first right flange 404 respectively
Welding, the first left flange 402 are fastenedly connected with entrance union flange 120 by gasket and bolt and nut, the first right flange
404 are fastenedly connected with pipe side outlet flange 216 by gasket and bolt and nut, and bend pipe 400 has certain camber, guarantee two
Side flange can be installed in place.
It please refers to shown in Fig. 8, lower connection pipe component 50 includes the second connecting tube 500, second left 502, second right side of flange
Flange 504, the second connecting tube 500 are straight tube, and both ends are welded with the second left flange 502, the second right flange 504 respectively.The
The flange 119 that two left flanges 502 are connect with efferent duct 108 is fastenedly connected by gasket and bolt and nut, the second right flange
504 are fastenedly connected with pipe side-entrance flange 218 by gasket and bolt and nut.
It please refers to shown in Fig. 9, bracket 30 is mainly formed by I-steel and steel plate butt welding, including horizontal part 300 and bearing diagonal
Portion 302, bearing diagonal portion 302 are fixedly connected with one end of horizontal part 300, form a triangle inclined support structure, the level of bracket 30
The side in portion 300 and bearing diagonal portion 302 can be welded with the first cylinder 100 and/or skirt 114 of destilling tower 10, and it is horizontal to form one
Load plane is welded to connect, when the height of skirt 114 is larger when the height of skirt 114 is smaller with 100 outer wall of the first cylinder
When, it is welded to connect with the outer wall of skirt 114, the side of bracket 30 can also be solid with the first cylinder 100 and the welding of skirt 114 simultaneously
It is fixed.In the shown embodiment, skirt 114 of the side in the horizontal part 300 of bracket 30 and bearing diagonal portion 302 with destilling tower 10
Welding, the position that the horizontal part of bracket 30 corresponds to the bolt hole of the horizontal direction fixed plate of support member 242 is provided with bolt hole, changes
3 support members 242 on hot device 20 are placed on the position of bolt hole, and blending bolt and nut are fastened, by heat exchanger 20
It is fixed on bracket 30, is finally fixed on destilling tower 10.
In the shown embodiment, the outer wall of the skirt 114 of the side of bracket 30 and destilling tower 10 welds, it is preferable that water
One end of flat load plane is arc-shaped structure, and radian is matched with the radian of the skirt 114 of destilling tower 10, and the other side is H-type
One end of structure, H-shaped structure is welded or is bolted with arc structure, and the other end of H-shaped structure is hatch frame, wide
Degree is slightly larger than the outer diameter of heat exchanger 20, and offers bolt hole in end position, also offers on the intermediate position of H-shaped structure
Bolt hole.
It please refers to shown in Figure 10, heat exchanger 20 can also be independently supported at the side of destilling tower 10, bracket by bracket 30
30 include that horizontally-supported 304 and vertical one end for supporting 306, horizontally-supported 304 are bolted with support member 242, separately
One end is fixed with wall or steel frame construction, and the top braces of vertical support 306 are located at heat exchanger 20 horizontally-supported 304
One end, bottom are fixed in concrete foundation by screw bolt and nut, horizontally-supported 304 and vertical support 306 by fashioned iron and steel
Plate welding forms, and welding biassed fabric support 308 is fixed between horizontally-supported 304 and vertical support 306.
When heat exchanger 20 is independently supported at the side of destilling tower 10 by bracket 30, between destilling tower 10 and heat exchanger 20
Thermal (temperature difference) stress possibly can not eliminate, need that expansion joint is arranged in its connecting pipe.
It should be noted that the first left flange 402 of top connecting tube component 40 and the first right flange 404 and lower part connect
The left flange 502 of the second of tube member 50 and the second right flange 504 can be cancelled, the first connecting tube 400 and the second connecting tube 500
Both ends can be with 20 being directly welded to connect of destilling tower 10 and heat exchanger.
It should be further noted that for the ease of integrated setting, between 20 outer surface of destilling tower 10 and heat exchanger
Distance is 1.0m~1.6m.
Compared with the existing technology, the utility model nuclear power plant integration boric acid solution distilling apparatus has following Advantageous
Effect:
1) heating-distillation integrative operation is realized, apparatus structure is compact, and arrangement is convenient；
2) it does not need individually to set to kinetic pump to be driven, Natural Circulation can be carried out by density contrast, overall cost is low；
3) package unit only has one basis of destilling tower, and no thermal (temperature difference) stress is, it can be achieved that dense to the separation of primary Ioops coolant
Contracting function.
According to above-mentioned principle, the utility model can also be made appropriate changes and modifications to the above embodiments.Therefore,
The utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the utility model
It should also be as falling into the protection scope of the claims of the present utility model.In addition, although having been used in this specification some specific
Term, these terms are merely for convenience of description, not to the utility model constitute any restrictions.
Claims (10)
1. a kind of nuclear power plant's integration boric acid solution distilling apparatus characterized by comprising
Destilling tower, is provided with the first cylinder, the first upper cover and the first lower head, and top is connected with vapor outlet port adapter tube, bottom
It is connected with efferent duct, entrance tube coupling is provided on the first cylinder；And
Heat exchanger, is provided with the second cylinder, and the both ends of the second cylinder are respectively arranged with upper tube box and lower tube box, set in the second cylinder
It is equipped with heat exchanger tube, the top of the second cylinder is provided with steam inlet, and lower part is provided with condensate outlet, and upper tube box is connected with pipe side
Shell ring is exported, lower tube box is connected with pipe side-entrance shell ring；
Wherein, heat exchanger is fixed by the bracket the side on destilling tower or being independently supported at destilling tower, heat exchanger and destilling tower
By top connecting tube component and lower connection pipe members, one end of top connecting tube component and the entrance on the first cylinder
Tube coupling connection, the other end are connect with pipe side outlet shell ring, and one end of lower connection pipe component is connect with efferent duct, the other end and pipe
The connection of side-entrance shell ring.
2. nuclear power plant's integration boric acid solution distilling apparatus according to claim 1, which is characterized in that the heat exchanger
Medium position is provided with support member, and the support member is detachably fixed with the bracket and connect.
3. nuclear power plant's integration boric acid solution distilling apparatus according to claim 2, which is characterized in that the bracket is three
Angular inclined support structure, one side and the destilling tower weld, and form a horizontal bearing plane, and the other side and the support member are logical
It crosses bolt to fix, heat exchanger is fixed by the bracket on the destilling tower.
4. nuclear power plant's integration boric acid solution distilling apparatus according to claim 1, which is characterized in that the entrance tube coupling
It is connected with entrance union flange, the pipe side outlet shell ring is connected with pipe side outlet flange, and the top connecting tube component includes
First connecting tube, the first left flange and the first right flange, the first connecting tube are welded with the first left flange, the first right flange respectively
It connects, the first left flange is fastenedly connected with entrance union flange by bolt, and the first right flange passes through with pipe side outlet flange
Bolt is fastenedly connected.
5. nuclear power plant's integration boric acid solution distilling apparatus according to claim 1, which is characterized in that the efferent duct connects
Be connected to flange, the pipe side-entrance shell ring is connected with pipe side-entrance flange, the lower connection pipe component include the second connecting tube,
Second left flange and the second right flange, the second connecting tube are welded with the second left flange, the second right flange respectively, the second left method
The flange that orchid connect with efferent duct is fastenedly connected by bolt, and the second right flange and pipe side-entrance flange are carried out by bolt
It is fastenedly connected.
6. nuclear power plant's integration boric acid solution distilling apparatus according to claim 1, which is characterized in that the destilling tower is also
It is connected with feed pipe and discharge nozzle, the discharge nozzle is mounted on the outside of first lower head, and connects inside the first lower head
Logical, the feed pipe is mounted on the lower outside of first cylinder, is connected to the inside of the first cylinder.
7. nuclear power plant's integration boric acid solution distilling apparatus according to claim 6, which is characterized in that the destilling tower is also
Including skirt arranged at the bottom, skirt ring, the skirt ring are provided between first cylinder and first lower head
On be provided with flange, flange is welded to connect with the first cylinder, the first lower head and skirt respectively, and the bottom of the skirt is fixed on
In concrete foundation.
8. nuclear power plant's integration boric acid solution distilling apparatus according to claim 7, which is characterized in that on the destilling tower
It is also welded with manhole tube coupling, manhole flange has been bolted in manhole tube coupling.
9. nuclear power plant's integration boric acid solution distilling apparatus according to claim 1, which is characterized in that the heat exchanger is also
Including the second upper cover and the second lower head, second upper cover is connected with exhaust pipe, and second lower head is connected with row
Liquid pipe, one end of the exhaust pipe are inserted into the first cylinder of the destilling tower.
10. nuclear power plant's integration boric acid solution distilling apparatus according to any one of claims 1 to 9, which is characterized in that institute
Stating the distance between destilling tower and the heat exchanger outer surface is 1.0m~1.6m.
Priority Applications (1)
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