CN110186297A - Acidproof heat exchanger - Google Patents
Acidproof heat exchanger Download PDFInfo
- Publication number
- CN110186297A CN110186297A CN201910590384.XA CN201910590384A CN110186297A CN 110186297 A CN110186297 A CN 110186297A CN 201910590384 A CN201910590384 A CN 201910590384A CN 110186297 A CN110186297 A CN 110186297A
- Authority
- CN
- China
- Prior art keywords
- tube
- flange plate
- shell
- cavity
- acid solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002253 acid Substances 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims description 33
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 229940058401 polytetrafluoroethylene Drugs 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012546 transfer Methods 0.000 abstract description 5
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 238000005530 etching Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of acidproof heat exchangers, set gradually top cover, upper flange plate, lower flange plate and shell from top to bottom, and top cover is provided with medium input cavity and hollow tube, and housing bottom is provided with acid solution inlet tube, and top is provided with acid solution outlet；The first cavity is formed between the orifice plate and upper flange plate of top cover, forms the second cavity between upper flange plate and lower flange plate, U-tube is located in shell, and the long end in the top of U-tube is protruded into the first cavity and is connected to hollow tube, and the top short end of U-tube protrudes into the second cavity.Medium enters the long end of U-tube from the medium input cavity inside top cover, it is discharged with after acid solution heat exchange from the short end of U-tube in shell, orifice plate, upper flange plate completely cut off the medium output and input, the intracorporal medium of the second chamber will not enter in top cover between upper flange plate and lower flange plate, when can be passed in and out out of a cavity to avoid medium, the sinuous flow in the gap of adjacent separator causes the problem of energy dissipation, heat transfer effect difference.
Description
Technical field
The present invention relates to the technical field of heat exchange that liquid is heated or cooled, especially a kind of acidproof heat exchanger.
Background technique
Acidproof heat exchanger can be used for the heating and cooling for the acid solution that metal surface pickling uses, these acid solutions can be nitre
One or more of acid, hydrofluoric acid, hydrochloric acid, sulfuric acid etc. deep-etching acid solution mixed liquor, the acid solution temperature used due to different metal
Degree is different, it is therefore desirable to acid solution be heated and be cooled down using acidproof heat exchanger.Currently, common acid solution heat exchanger is block hole
Formula graphite heat exchanger, block hole-type graphite heat exchanger need the corrosivity according to different acid solutions, and graphite impregnation resin or graphite are soaked
Stain polytetrafluoroethylene (PTFE), cost are high；In actual use, the easy embrittlement of graphite, bending resistance and tensile strength are low, therefore are only used for low
Pressure ring border；The through-hole of block hole-type graphite heat exchanger is easy to be blocked, once the anti-corrosion layer damage impregnated on graphite, leakage point is very
Difficulty is found out, and is also not easy to repair.
A kind of prior art U-tube heat exchanger as disclosed in Chinese patent ZL2016108709068, tube side shell above
Tube side flange is set between body and lower section shell side shell, is vertically arranged several U-tubes on tube side flange, tube side medium is from tube side
Tube side medium inlet pipe on shell enters U-tube, then from tube side shell intracorporal tube side media aggregates room, tube side media outlet
Pipe discharge；Shell side medium enters the central tube of shell side enclosure interior from the shell side medium inlet pipe below shell side shell, from center
Tube top portion is overflowed, and then enters the channel that inner sleeve and outer sleeve are formed, finally from the shell side media outlet below shell side shell
Pipe discharge.But the heat exchanger is not used to the heat exchange of deep-etching acid solution, firstly, the intracorporal acid solution of shell side shell may be from U-tube and pipe
Gap between Cheng Falan enters in tube side shell, and then corrodes tube side flange, tube side media aggregates room and tube side shell, acid solution
Once can also corrode U-tube inner wall in into U-tube；Secondly, shell side media outlet pipe is located at below shell side shell, shell side shell
Interior acid solution and acid solution residue can remain in shell side housing bottom, corrode shell side shell for a long time；Again, once tube side medium is poly-
Occurs gap between collection room and tube side flange, tube side medium may enter tube side media aggregates room without heat exchange and be discharged, cause
The waste of tube side medium energy, the liquid after exchanging heat in tube side media aggregates room flow into tube side shell and heat transfer effect are easy to cause to become
The problem of difference；In addition, acid solution flow to above U-tube in shell side shell below U-tube flow to above U-tube again carry out it is similar
The flowing of S-shaped, distance is longer, needs certain flowing thrust, therefore the friction between U-tube, inner sleeve and outer sleeve
Power is larger, and deep-etching acid solution easily corrodes the components such as U-tube, and product service life is short.
Summary of the invention
The applicant for the components such as above-mentioned existing U-tube heat exchanger inner U pipe easily by deep-etching acid liquid corrosion,
It is thus not used to the disadvantages of deep-etching acid solution exchanges heat, heat transfer effect is poor, a kind of structurally reasonable acidproof heat exchanger is provided, is used
Acid solution is isolated in lower flange plate, condensed water is isolated using upper flange plate, good effect of heat exchange is not provided with complicated runner, U-shaped in shell
The acidproof effect of the components such as pipe is good, long service life.
The technical solution adopted in the present invention is as follows:
A kind of acidproof heat exchanger, sets gradually top cover, upper flange plate, lower flange plate and shell from top to bottom, and top cover is provided with Jie
Matter input cavity and hollow tube, housing bottom are provided with acid solution inlet tube, and top is provided with acid solution outlet；The orifice plate of top cover and upper method
The first cavity is formed between blue plate, forms the second cavity between upper flange plate and lower flange plate, and U-tube is located in shell, U-tube
The long end in top protrude into the first cavity and be connected to hollow tube, the top short end of U-tube protrudes into the second cavity, in upper flange plate and
Each U-tube periphery of lower flange plate is provided with sealing element.
As a further improvement of the above technical scheme:
Several apertures are opened up in the orifice plate of top cover, hollow tube, every hollow tube and U-tube one is arranged in respective apertures below orifice plate
One is corresponding, is inserted in the long end of U-tube；The overall diameter of hollow tube and the interior diameter of U-tube cooperate.
The T shape set of sealing element is inserted between flanged plate and U-tube, and fixture nut is screwed in T shape set periphery, in T shape set
Sealed pressing sleeve is set in stepped hole, clamp nut is screwed in T shape and puts on end periphery, in sealed pressing sleeve head lower end face and T shape set
Sealing ring is set between upper surface.
Acid solution outlet is opened up at the upper side of shell, collection portion is set below shell, collection portion bottom is vertically arranged emptying
Mouthful, acid solution inlet tube is connect with evacuation port；Collection portion is back taper.
The periphery of lower flange plate, which raises upward, annular edge, and interval is connected with several pipelines in annular edge, all pipelines
The other end is connect with efferent duct, and efferent duct periphery is connected with media outlet pipe；Efferent duct is circular rings.
A circle hole is opened up in the orifice plate outer edge of top cover, the periphery of upper flange plate corresponds to location hole and several positioning are arranged
Column.
The periphery of lower flange plate raises upward a circle annular edge, the second flange side on the outer edge and shell of lower flange plate
Lower flange plate, is fixed on shell by cooperation using fastener.
The T shape set of sealing element uses polytetrafluoroethylene (PTFE) material.
U-tube is made of aluminium, Cu metal tubes；The outer wall of U-tube coats thermoplastic tube, and the material of thermoplastic tube is polytetrafluoroethyl-ne
Alkene, PP or PE.
Beneficial effects of the present invention are as follows:
The first cavity is formed between the orifice plate and upper flange plate of top cover of the present invention, forms second between upper flange plate and lower flange plate
Cavity, U-tube are located in shell, and the long end in the top of U-tube is protruded into the first cavity and is connected to hollow tube, and the top of U-tube is short
The second cavity is protruded at end, remaining tube body of U-tube is located in shell, and medium enters U-tube from the medium input cavity inside top cover
Long end is discharged with after acid solution heat exchange from the short end of U-tube in shell, and orifice plate, upper flange plate completely cut off the medium output and input,
The intracorporal medium of the second chamber will not enter in top cover between upper flange plate and lower flange plate, can be to avoid medium out of a cavity
When disengaging, the sinuous flow in the gap of adjacent separator causes the problem of energy dissipation, heat transfer effect difference, and orifice plate, upper flange plate play
The double-deck isolation effect, the intracorporal medium of the second chamber divides each other between the medium and upper flange plate and lower flange plate of medium input cavity
From relatively far apart, will not mutually transmitting heat, good effect of heat exchange.
The every hollow tube and U-tube of top cover of the invention correspond, and are inserted in the long end of U-tube, outside hollow tube
The cooperation of the interior diameter of diameter and U-tube, hollow tube import medium accurately in U-tube, without flowing into orifice plate and upper flange plate
Between the first cavity in, to cause the waste of energy.
The present invention each U-tube periphery on upper flange plate is arranged sealing element, sealing element can prevent upper flange plate and
The intracorporal medium of the second chamber enters above flanged plate between lower flange plate, and then enters above orifice plate, carries out with medium in top cover
Heat exchange, influences the heat transfer effect of medium.
Sealing element is arranged in the present invention each U-tube periphery on lower flange plate, and sealing element can prevent enclosure interior
Acid solution enters in the second cavity above lower flange plate, the components such as corrosion upper flange plate, pipeline, efferent duct, while preventing acid solution
Into U-tube, corrode U-tube inner wall.
The present invention opens up acid solution outlet at the upper side of shell, the collection portion of setting back taper, collection portion bottom below shell
Portion is vertically arranged evacuation port, acid solution inlet tube is arranged on evacuation port, due to blocking in addition to vertical U-tube without other in shell
Object, acid solution enter evacuation port, collection portion, in shell from acid solution inlet tube, the slowly smoothly lifting upwards of the water level of acid solution, acid solution
Flowing is steady, will not impact the inner wall of U-tube outer wall and shell, and frictional force is small, the components such as not perishable U-tube, and product uses
Service life is long.Evacuation port is located at the lowermost end of entire shell, can thoroughly empty the intracorporal impurity of shell, prevents sundries in acid solution from depositing
In housing bottom；Collection portion below shell is designed as taper, and impurity quickly slides to evacuation port from tapered surface and is discharged, do not have
Dead angle residual impurity.
The T shape set of sealing element of the invention be inserted in from the bottom up upper flange plate and the long end of U-tube and lower flange plate with
Between U-tube short end, fixture nut is screwed in T shape set periphery from top to bottom, for T shape set to be fixed on flanged plate, in T shape set
Stepped hole in set sealed pressing sleeve, clamp nut is screwed in T shape and puts on end periphery, clamp nut for compressing sealed pressing sleeve,
It is covered in sealed pressing sleeve head lower end face and T shape and sealing ring is set between upper end face, sealing ring can prevent the liquid below flanged plate
Body is covered from T shape to be entered above flanged plate between U-tube.
The periphery of lower flange plate of the invention raises upward and has annular edge, and interval is connected with several pipelines, institute in annular edge
There is the other end of pipeline to connect with the efferent duct of circular annular form, efferent duct periphery is connected with media outlet pipe, by being arranged more
The medium between upper flange plate and lower flange plate is discharged quickly in more pipelines, is arranged using cylindrical shell round
Cricoid efferent duct summarizes from the unified discharge of media outlet pipe after collecting the medium of discharge, makes full use of shell space, medium row
Mechanism structure is compact out, and drain is high-efficient.
The present invention opens up a circle hole in the orifice plate outer edge of top cover, if the periphery of upper flange plate corresponds to location hole setting
Dry positioning column, positioning column are inserted in positioning hole to which top cover to be fixed on upper flange plate, and the fixation of positioning column and positioning hole is more
Precisely, it is inserted into hollow tube more accurately in U-tube；By the fixed top cover of orifice plate outer edge, keep top cover internal edge completely close
It closes, prevents medium from flowing out from edge, cause the waste of energy.
The periphery of lower flange plate of the invention raises upward a circle annular edge, and on the outer edge and shell of lower flange plate
Lower flange plate, is fixed on shell by the cooperation of two flanges using fastener, and lower flange plate is fixed on shell by outer edge,
So that the internal edge of the close annular edge of lower flange plate is completely closed, prevent the medium above lower flange plate from flowing into shell from edge
Internal pollution acid solution, while preventing acid solution from entering the second cavity internal corrosion component above lower flange plate from edge.
T shape set of the invention uses polytetrafluoroethylene (PTFE) material, due to lower flange plate upper seal T shape head directly with
Acid solution contact, the good corrosion resistance of polytetrafluoroethylene (PTFE) material can be to avoid the corruption for directlying adopt the generation of the materials sealing element such as rubber
Erosion problem.U-tube is made of aluminium, Cu metal tubes, aluminium, copper thermal conductivity be better than graphite, thermal conductivity is more preferable.The outer wall of U-tube
Coat thermoplastic tube, according to use different temperatures, acid liquor medium, the material of thermoplastic tube can be polytetrafluoroethylene (PTFE), PP or PE, both
Proof strength guarantees corrosion resistance again.
Detailed description of the invention
Fig. 1 is to cut open figure in perspective view of the present invention.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the perspective view of top cover 18 in Fig. 1.
Fig. 4 is the perspective view (being provided with sealing element 4) of upper flange plate 3 in Fig. 1.
Fig. 5 is the perspective view of lower flange plate 5 in Fig. 1.
Fig. 6 is the top view of sealing element 4 in Fig. 1.
Fig. 7 is the cross-sectional view (increasing U-tube 8 and upper flange plate 3) in Fig. 6 at A-A.
In figure: 1, orifice plate；2, round hole；3, upper flange plate；4, sealing element；5, lower flange plate；6, hollow tube；7, acid solution goes out
Mouthful；8, U-tube；9, collection portion；10, acid solution inlet tube；11, evacuation port；12, shell；13, second flange side；14, first flange
Side；15, pipeline；16, efferent duct；17, media outlet pipe；18, top cover；19, medium inlet is managed；20, positioning column；21, location hole；
22, flange；23, clamp nut；24, sealed pressing sleeve；25, T shape set；26, fixture nut；27, sealing ring；28, annular edge；29,
First terrace.
Specific embodiment
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in Figure 1, the present invention is disposed with semicircular top cover 18, cylindrical housings 12 and back taper from top to bottom
Collection portion 9, square side opens up acid solution outlet 7 on housing 12, and 9 bottom of collection portion is vertically arranged evacuation port in communication
11, the setting acid solution inlet tube 10 normal thereto on evacuation port 11, acid solution inlet tube 10 is connected to evacuation port 11, and acid solution is from acid solution
Inlet tube 10 enters, and passes through evacuation port 11, collection portion 9, shell 12 from bottom to top, finally from 7 discharge of acid solution outlet.
As shown in Figure 1, being medium input cavity inside top cover 18,18 top center of top cover is vertical medium inlet pipe 19,
Medium inlet pipe 19 protrudes into inside medium input cavity, and one end is against on the horizontally disposed orifice plate 1 of top cover 18, is located in top cover 18
19 tube wall of medium inlet pipe on offer several round holes 2, several apertures are opened up in orifice plate 1, as shown in figure 3, respective apertures
It is equipped with distribution hollow tube 6 vertically below orifice plate 1, hollow tube 6 is connected to medium input cavity, medium inlet pipe 19, and and top cover
18 and medium inlet pipe 19 be integrally formed.
As shown in Figure 1 and Figure 2, upper flange plate 3 and lower flange plate 5 are set gradually in the lower section of orifice plate 1, U-tube 8 is one end
Hollow bend pipe long, one end is short, U-tube 8 are inserted vertically into shell 12, and bottom is located at 12 bottom end of cylindrical housings, makes from acid
The acid solution that liquid inlet tube 10 enters in shell 12 contacts U-tube 8 earlier, extends heat exchanger time.Every hollow tube 6 and U-tube 8
It corresponds, is inserted in the long end in top of U-tube 8, the overall diameter of hollow tube 6 and the interior diameter of U-tube 8 cooperate, U-tube 8
In the first cavity between orifice plate 1 and upper flange plate 3, hollow tube 6 imports medium accurately in U-tube 8 at long end, without
It flows into the first cavity between orifice plate 1 and upper flange plate 3.Sealing element is arranged in each 8 periphery of U-tube on upper flange plate 3
4, sealing element 4 is for preventing the intracorporal medium of the second chamber between upper flange plate 3 and lower flange plate 5 from entering 3 top of flanged plate, in turn
Into 1 top of orifice plate, the use of medium in medium input cavity is influenced.As shown in figure 3, at the 1 outer edge interval of orifice plate of top cover 18
Uniformly open up a circle hole 21, as shown in figure 4, corresponded on the flange 22 of 3 periphery of upper flange plate location hole 21 be arranged it is several
Positioning column 20, positioning column 20 are inserted in location hole 21 to which top cover 18 to be fixed on upper flange plate 3.
As shown in Figure 1 and Figure 2, second cavity of the top short end of U-tube 8 between upper flange plate 3 and lower flange plate 5
It is interior, and do not contacted with 3 bottom surface of upper flange plate, sealing element 4 is arranged in each 8 periphery of U-tube on lower flange plate 5, and sealing element 4 is used
In preventing the acid solution inside shell 12 from entering in the second cavity above lower flange plate 5.As shown in Fig. 2, the periphery of lower flange plate 5
Raising upward has annular edge 28, and interval is connected with several pipelines 15 in annular edge 28, as shown in figure 5, all pipelines 15 is another
End is connect with the efferent duct of circular annular form 16, and 16 periphery of efferent duct is connected with media outlet pipe 17, media outlet pipe 17 with it is defeated
The second cavity connection between outlet pipe 16, pipeline 15 and upper flange plate 3 and lower flange plate 5, steam or cooling medium are from hollow
Pipe 6 enters after the long end of U-tube 8, and second between upper flange plate 3 and lower flange plate 5 is entered from 8 short end of U-tube by heat exchange
In cavity, finally it is discharged from pipeline 15, efferent duct 16, media outlet pipe 17.As shown in figure 5, the fold outward of 28 top of annular edge
There is the first flange side 14 of annular, as shown in Fig. 2, the outer edge of upper flange plate 3 and first flange side 14 cooperate, uses fastener
Upper flange plate 3 is fixed on lower flange plate 5.As shown in Fig. 2, the second flange on the outer edge of lower flange plate 5 and shell 12
Side 13 cooperates, using fastener that lower flange plate 5 is fixed on housing 12.
As shown in Figure 6, Figure 7, the T shape set 25 of sealing element 4 is inserted in from the bottom up between upper flange plate 3 and U-tube 8, is covered
It is located at the long end periphery of U-tube 8, fixture nut 26 is screwed in T shape from top to bottom and covers 25 peripheries, for T shape set 25 to be fixed on upper method
On blue plate 3, stepped hole is opened up inside T shape set 25, First terrace 29 of the T shape set 25 close to T forming head portion is contacted with U-tube 8.T
The sealed pressing sleeve 24 of shape is inserted between the second step face 30 and the long end of U-tube 8 of T shape set 25, in 24 head lower end of sealed pressing sleeve
Face and T shape, which cover, is arranged sealing ring 27 between 25 upper surfaces, sealing ring 27 can prevent distilled water between T shape set 25 and U-tube 8
Into 3 top of upper flange plate.Clamp nut 23 is screwed in T shape and covers 25 upper end peripheries, and 23 inner face of clamp nut is against sealing pressure
It covers on 24 head upper end faces, clamp nut 23 is for compressing sealed pressing sleeve 24.Sealing element 4 and upper flange plate 3 on lower flange plate 5
Sealing element 4 it is identical, sealing ring 27 can prevent acid solution from T shape set 25 and U-tube 8 between enter lower flange plate 5 above.T shape
Set 25 uses polytetrafluoroethylene (PTFE) material, since the head of the T shape set 25 of 5 upper seal 4 of lower flange plate is directly contacted with acid solution, gathers
The good corrosion resistance of tetrafluoroethene material, can be to avoid the etching problem for directlying adopt the generation of the materials sealing element such as rubber.
After upper flange plate 3 and lower flange plate 5 are all made of steel plate processing and fabricating, surface sprays polytetrafluoroethylene (PTFE), PP, PE corrosion resistant
Corrosion material not only proof strength but also had guaranteed corrosion resistance.U-tube 8 using aluminium, Cu metal tubes make, aluminium, copper thermal conductivity be better than stone
Ink, thermal conductivity are more preferable.The outer wall of U-tube 8 coats thermoplastic tube, according to use different temperatures, acid liquor medium, the material of thermoplastic tube
It can be polytetrafluoroethylene (PTFE), PP or PE.Shell 12 is made of PP, PPH material.
When making the present invention, top cover 18 is first assembled with upper flange plate 3, U-tube 8, lower flange plate 5, then advanced
Row leakage test, then the part that assembly is completed integrally is inserted into shell 12, use the outer edge of the fixed lower flange plate 5 of fastener
With the second flange side 13 of shell 12, assembly of the invention is completed.
The present invention is in use, use steam as heat transferring medium, using cold when acid solution needs cooling when acid solution needs to heat
But medium enters as heat transferring medium, steam or cooling medium from the medium inlet pipe 19 at top, then from medium inlet pipe 19
Round hole 2 enter top cover 18 medium input cavity in, and then from hollow tube 6 enter U-tube 8 long end, be finally delivered to U-shaped
The short end of pipe 8, if condensation forms condensed water after the acid solution heat exchange in steam and shell 12, and condensed water enters upper using steam
In the second cavity between flanged plate 3 and lower flange plate 5, then from pipeline 15, efferent duct 16 is entered, finally from media outlet pipe
17 discharges, if cooling medium is left with after the acid solution heat exchange in shell 12 from identical path using cooling medium.Acid solution from
The acid solution inlet tube 10 of 12 lower section of shell enters, and the collection portion 9 of taper is entered from evacuation port 11, liquid level slowly ascends into cylinder
The shell 12 of shape, acid solution exchange heat with the medium in U-tube 8, finally from 7 outflow of acid solution outlet above shell 12.Due to
Without other shelters in addition to vertical U-tube 8 in shell 12, slowly smoothly lifting upwards, acid solution flowing are flat for the water level of acid solution
Surely, the inner wall of U-tube 8 outer wall and shell 12 will not be impacted, frictional force is small, not the components such as perishable U-tube 8, and product uses the longevity
Life length.The bottom end of shell 12 opens up evacuation port 11, can thoroughly empty the impurity in shell 12, sundries in acid solution is prevented to be deposited on
12 bottom of shell；The collection portion 9 of 12 lower section of shell is designed as taper, and impurity quickly slides to evacuation port 11 from tapered surface and is discharged,
Dead angle residual impurity is not had.
Above description is explanation of the invention, is not intended to limit the invention, without departing from the spirit of the invention,
The present invention can make any type of modification.
Claims (9)
1. a kind of acidproof heat exchanger, it is characterised in that: set gradually top cover (18), upper flange plate (3), lower flange plate from top to bottom
(5) and shell (12), top cover (18) are provided with medium input cavity and hollow tube (6), and shell (12) bottom is provided with acid solution import
It manages (10), top is provided with acid solution outlet (7)；The first cavity is formed between the orifice plate (1) and upper flange plate (3) of top cover (18),
The second cavity is formed between upper flange plate (3) and lower flange plate (5), U-tube (8) is located in shell (12), the top of U-tube (8)
Minister protrudes at end the first cavity and is connected to hollow tube (6), and the top short end of U-tube (8) protrudes into the second cavity, in upper flange plate
(3) and each U-tube (8) periphery of lower flange plate (5) is provided with sealing element (4).
2. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: the orifice plate (1) in top cover (18) opens up several small
Hollow tube (6) are arranged below orifice plate (1) in hole, respective apertures, and every hollow tube (6) and U-tube (8) correspond, and are inserted in U-shaped
In the long end for managing (8)；The overall diameter of hollow tube (6) and the interior diameter of U-tube (8) cooperate.
3. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: the T shape set (25) of sealing element (4) is inserted in flange
Between plate and U-tube (8), fixture nut (26) is screwed in T shape set (25) periphery, sets sealing in the stepped hole of T shape set (25)
Pressing sleeve (24), clamp nut (23) is screwed in T shape set (25) upper end periphery, in sealed pressing sleeve (24) head lower end face and T shape set
(25) sealing ring (27) are set between upper surface.
4. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: open up acid solution outlet at the upper side of shell (12)
(7), collection portion (9) are set below shell (12), collection portion (9) bottom is vertically arranged evacuation port (11), acid solution inlet tube (10)
It is connect with evacuation port (11)；Collection portion (9) is back taper.
5. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: the periphery of lower flange plate (5) raises upward and has ring
Shape side (28) is spaced in annular edge (28) and is connected with several pipelines (15), the other end of all pipelines (15) and efferent duct (16)
Connection, efferent duct (16) periphery is connected with media outlet pipe (17)；Efferent duct (16) is circular rings.
6. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: orifice plate (1) outer edge in top cover (18) opens up
One circle hole (21), the periphery of upper flange plate (3) correspond to location hole (21) and several positioning columns (20) are arranged.
7. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: the periphery of lower flange plate (5) raises upward a circle
Annular edge (28), the second flange side (13) on the outer edge of lower flange plate (5) and shell (12) cooperate, using fastener will under
Flanged plate (5) is fixed on shell (12).
8. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: the T shape set (25) of sealing element (4) uses polytetrafluoro
Ethylene material.
9. acidproof heat exchanger described in accordance with the claim 1, it is characterised in that: U-tube (8) is made of aluminium, Cu metal tubes；U
The outer wall of shape pipe (8) coats thermoplastic tube, and the material of thermoplastic tube is polytetrafluoroethylene (PTFE), PP or PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590384.XA CN110186297A (en) | 2019-07-02 | 2019-07-02 | Acidproof heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590384.XA CN110186297A (en) | 2019-07-02 | 2019-07-02 | Acidproof heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110186297A true CN110186297A (en) | 2019-08-30 |
Family
ID=67724586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910590384.XA Pending CN110186297A (en) | 2019-07-02 | 2019-07-02 | Acidproof heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110186297A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2482020A2 (en) * | 2011-01-31 | 2012-08-01 | Haldor Topsøe A/S | Heat exchanger |
| CN103673692A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel raw oil top circulation oil heat exchanger |
| CN103884213A (en) * | 2014-03-01 | 2014-06-25 | 瑞冬集团有限公司 | Corrosion-resistant shell and tube heat exchanger |
| CN203744771U (en) * | 2014-03-19 | 2014-07-30 | 抚顺市天隆石化设备防腐厂 | Carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment |
| CN104180688A (en) * | 2014-07-31 | 2014-12-03 | 南通星球石墨设备有限公司 | Tube nest type graphite heat exchanger |
| CN204438882U (en) * | 2015-01-30 | 2015-07-01 | 中国五环工程有限公司 | Vertical reinforcement thin tubesheet heat regenerator |
| CN206989506U (en) * | 2017-07-05 | 2018-02-09 | 山东格瑞德集团有限公司 | Corrosion resistant U-tube dry evaporator |
| CN207675008U (en) * | 2017-12-06 | 2018-07-31 | 云南澄江天辰磷肥有限公司 | A kind of high-efficiency cold-hot heat exchanger in acid production with sulphur technique |
| CN108344315A (en) * | 2017-01-23 | 2018-07-31 | 上海宝钢化工有限公司 | A kind of heat exchanger of resistance to shell journey high temperature pressure corrosion medium |
| WO2019069703A1 (en) * | 2017-10-05 | 2019-04-11 | 三菱日立パワーシステムズ株式会社 | Heat exchanger |
| CN210119136U (en) * | 2019-07-02 | 2020-02-28 | 江苏晨力环保科技有限公司 | Acid-resistant heat exchanger |
-
2019
- 2019-07-02 CN CN201910590384.XA patent/CN110186297A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2482020A2 (en) * | 2011-01-31 | 2012-08-01 | Haldor Topsøe A/S | Heat exchanger |
| CN103673692A (en) * | 2013-12-10 | 2014-03-26 | 山东蓝星清洗防腐公司 | Novel raw oil top circulation oil heat exchanger |
| CN103884213A (en) * | 2014-03-01 | 2014-06-25 | 瑞冬集团有限公司 | Corrosion-resistant shell and tube heat exchanger |
| CN203744771U (en) * | 2014-03-19 | 2014-07-30 | 抚顺市天隆石化设备防腐厂 | Carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment |
| CN104180688A (en) * | 2014-07-31 | 2014-12-03 | 南通星球石墨设备有限公司 | Tube nest type graphite heat exchanger |
| CN204438882U (en) * | 2015-01-30 | 2015-07-01 | 中国五环工程有限公司 | Vertical reinforcement thin tubesheet heat regenerator |
| CN108344315A (en) * | 2017-01-23 | 2018-07-31 | 上海宝钢化工有限公司 | A kind of heat exchanger of resistance to shell journey high temperature pressure corrosion medium |
| CN206989506U (en) * | 2017-07-05 | 2018-02-09 | 山东格瑞德集团有限公司 | Corrosion resistant U-tube dry evaporator |
| WO2019069703A1 (en) * | 2017-10-05 | 2019-04-11 | 三菱日立パワーシステムズ株式会社 | Heat exchanger |
| CN207675008U (en) * | 2017-12-06 | 2018-07-31 | 云南澄江天辰磷肥有限公司 | A kind of high-efficiency cold-hot heat exchanger in acid production with sulphur technique |
| CN210119136U (en) * | 2019-07-02 | 2020-02-28 | 江苏晨力环保科技有限公司 | Acid-resistant heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103270383B (en) | Waste heat boiler | |
| CN101338983A (en) | Heat exchanger | |
| CN110243225A (en) | A kind of circular block pore type silicon carbide heat exchanger | |
| CN210119136U (en) | Acid-resistant heat exchanger | |
| CN110186297A (en) | Acidproof heat exchanger | |
| CN211823987U (en) | High-efficient warm heat transfer device that leads to | |
| CN210036340U (en) | Heat exchanger | |
| CN211317023U (en) | Silicon carbide double-tube-plate heat exchanger | |
| CN111964499A (en) | Heat pipe and geothermal heat collecting device | |
| CN214371878U (en) | Full-premixing condensing heat exchanger and gas water heating device | |
| CN210321326U (en) | Sleeve type channel heat exchanger | |
| CN212645449U (en) | High-temperature-resistant and high-pressure-resistant silicon carbide heat exchanger | |
| CN210862348U (en) | Tube-plate heat exchanger head | |
| CN208998603U (en) | Chloromethanes deep cooling movable tube sheets heat exchanger | |
| CN216049319U (en) | Anti-corrosion heat exchanger | |
| CN212320475U (en) | Heat exchanger | |
| CN207487467U (en) | A kind of tubular heat exchanger | |
| CN218941352U (en) | Isothermal field structural heating pipe | |
| CN219572767U (en) | Integral heat exchange tube heat exchanger assembly that allies oneself with | |
| CN207797824U (en) | Carborundum tube shell heat exchanger | |
| CN216409858U (en) | Shell and tube heat exchanger with cavity | |
| CN216115568U (en) | Round block hole type silicon carbide heat exchanger | |
| CN208438684U (en) | A kind of hydraulic injection molding machine oil cooler | |
| CN211876837U (en) | Tube sheet subassembly and heat exchanger | |
| CN218740298U (en) | Vertical condenser of pyrolysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |