CN202630744U - Tube plate type heat exchanger - Google Patents
Tube plate type heat exchanger Download PDFInfo
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- CN202630744U CN202630744U CN2012202824125U CN201220282412U CN202630744U CN 202630744 U CN202630744 U CN 202630744U CN 2012202824125 U CN2012202824125 U CN 2012202824125U CN 201220282412 U CN201220282412 U CN 201220282412U CN 202630744 U CN202630744 U CN 202630744U
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Abstract
The utility model discloses a tube plate type heat exchanger, which comprises a housing, a tube box with a fluid inlet, a tube plate, a heat exchange tube bundle and a rectifying plate, wherein the tube box comprises a connection segment connected with one end of the housing, an elbow tube segment one end of which forms the fluid inlet, and a diameter reduction segment which communicates the other end of the elbow tube segment with the connection segment; the inner diameter of the diameter reduction segment gradually increases along the flow direction of fluid; and the rectifying plate is vertically arranged in the connection segment. According to the utility model, the tube box is designed to be in a structural form with an elbow tube, the diameter reduction segment and the connection segment, and the fluid inlet is located at one end of the elbow tube, so that the tube box with the structure can reduce an overturn space of the fluid. In addition, the rectifying plate is arranged in the connection segment of the tube box, so that before the fluid enters the heat exchange tube, the state of the fluid is regulated, and then the fluid uniformly enters the heat exchange tube, thereby solving the fluid overturn problem throughly. Therefore, the abrasion of the heat exchanger provided by the utility model is greatly relieved, the maintenance cost for equipment operation is reduced, the reliability of the equipment operation is improved, and the service life of the heat exchanger is prolonged.
Description
Technical field
the utility model relates to a kind of tube-sheet heat exchanger, and it is specially adapted to Coal Chemical Industry industry and lime cement industry.
Background technology
Coal Chemical Industry is meant with the coal to be raw material, makes coal be converted into the process of gas, liquid and solid fuel and chemicals through chemical process, and it mainly comprises coal gasification, liquefaction, destructive distillation, and tar processing and carbide acetylene chemical industry etc.In the process of coal gasification, having a large amount of ash contents produces; Though through the separation of separator and the washing of scrubbing tower; But the ash content equipment the inside of reaction zone in front more or less remains existence, and this causes very big infringement just for the life-span of the heat exchanger in the reaction zone equipment, particularly equipment.As shown in Figure 1; In the prior art, the heat exchanger that the Coal Chemical Industry industry is used (being commonly called as the Heisui River heat exchanger) mainly comprise housing (1 '), be connected and have with housing (1 ') end fluid intake (20 ') bobbin carriage (2 '), be arranged on the baffle plate (3 ') in the bobbin carriage (2 '), tube sheet (4 '), the two ends that are fixedly installed on the housing (1 ') are fixed on the heat exchanger tube tube bank (5 ') on the said tube sheet (4 ').During use; Through letting the fluid that contains ash content walk tube side; Find following problem in the practice: 1) fluid intake is all on the bobbin carriage cylindrical shell or on the end socket, and the fluid direction of coming all will change, and fluid deflects disorderly and unsystematic before the tube sheet; Cause the eddy current wearing and tearing for the weld seam of tube head on tube sheet and the tube sheet, also bring wearing and tearing for branch journey baffle plate; 2) when tube sheet welds because welding deformation, the tube sheet indent, baffle plate can't compress with tube sheet and baffle plate backing plate, causes fluid to scurry this gap and also can cause serious wearing and tearing; 3) if let the fluid that contains ash content walk shell side then wear and tear still like this; 4) owing to carry ash content in the fluid, thus flow rate of fluid to be controlled in the scope, serious wear that flow velocity is high, flow velocity is low, and ash-deposition is serious, the heat exchange effect descends, even the part heat exchanger tube is blocked.Therefore, the maintenance of equipment cost of existing common heat exchanger structure is high, and there is huge potential safety hazard in operation to equipment, can't satisfy the needs that Coal Chemical Industry is produced.
Summary of the invention
the utility model technical problem to be solved is the deficiency that overcomes prior art, and a kind of improved tube-sheet heat exchanger is provided.
For solving above technical problem, the utility model is taked following technical scheme:
a kind of tube-sheet heat exchanger; It comprises housing, have the bobbin carriage of fluid intake, tube sheet, heat exchanger tube tube bank; Wherein bobbin carriage comprises the reducer that the linkage section that is connected with an end of housing, an end form the bend loss of fluid intake, the other end of bend loss is communicated with linkage section; The flow direction of the internal diameter longshore current body of said reducer becomes greatly gradually, and described heat exchanger also comprises the cowling panel that uprightly is arranged in the linkage section.
according to a preferred aspect of the present invention, said cowling panel uprightly is arranged on the intersection of reducer and linkage section.Cowling panel can adopt for example porous web plate of conventional version.Intersection at reducer and linkage section is established cowling panel, can make the fluid that gets into heat exchanger tube by farthest combing, thereby guarantees that fluid gets into the uniformity of heat exchanger tube, thoroughly solves the fluid turning problem.
are according to further embodiment of the present invention: heat exchanger also comprises the abrasion proof ceramic wafer on the end of cowling panel that is installed in tube sheet; Said this abrasion proof ceramic wafer is provided with the mozzle with linkage section and heat exchanger tube conducting at each heat exchanger tube place of corresponding heat exchanger tube tube bank; Bear impact by abrasion proof ceramic wafer from the linkage section fluid; Solve the wearing and tearing of fluid, prolonged the service life of tube sheet tube sheet; Again through by mozzle with the linkage section of bobbin carriage and being communicated with of heat exchanger tube, help further reducing fluid to tube sheet and and the wearing and tearing of tube head weld.
preferably; Between abrasion proof ceramic wafer and tube sheet, be provided with the silica gel liner; Abrasion proof ceramic wafer, silica gel liner and tube sheet connect through threaded connector, wherein adopt the silica gel liner, mainly reduce the gap between abrasion proof ceramic wafer and the tube sheet; And then reduce the fluid channelling to the gap between abrasion proof ceramic wafer and the tube sheet, and the wearing and tearing that bring tube sheet.
heat exchanger according to a further preferred aspect of the invention, also comprise the rotation turbolator in each heat exchanger tube that can be arranged on the heat exchanger tube tube bank rotationally, and it rotates turbolator and clears up ash-deposition and augmentation of heat transfer on the one hand, improve the heat exchange effect; Control flow rate of fluid on the other hand, solved the too high and serious wear that causes of flow rate of fluid and flow rate of fluid is crossed lowly and cause ash content to be detained or stop up the heat exchanger tube pore.
according to a concrete aspect, rotates the helix that turbolator comprises the rotating shaft that is horizontally set in the heat exchanger tube and can rotates around self axial line and is fixed in the rotating shaft and extends along the length direction of rotating shaft.Gap between the rotary motion trace of helix and the heat exchanger tube inwall is 0.8 ~ 1.5mm.Rotating shaft and helix can form by polytetrafluoroethylene (PTFE) is integrated poured, perhaps form with alloy in lightweight is rolling.Helix thickness is advisable with 0.2～0.3mm.Rotating shaft is φ 6 ~ φ 8 mm.
Because the enforcement of above technical scheme, the utility model compared with prior art has following advantage:
the utility model is designed to bend pipe with bobbin carriage and adds the version that reducer adds linkage section, and fluid intake is positioned at an end of bend pipe, and the bobbin carriage of this structure can shorten the space of fluid upset; In addition, in the bobbin carriage linkage section, establish cowling panel, after making fluid state obtaining combing before getting into heat exchanger tube, get into heat exchanger tube equably, thoroughly solve the fluid turning problem.Therefore, the wearing and tearing of the heat exchanger of the utility model significantly reduce, and the maintenance cost of equipment operation reduces, and the equipment operational reliability increases, and prolong service life.
Description of drawings
are done further detailed explanation below in conjunction with accompanying drawing and concrete embodiment to the utility model.
Fig. 1 is for being used for the structural representation of the heat exchanger of Coal Chemical Industry in the prior art;
Fig. 2 is the main structure sketch map according to the tube-sheet heat exchanger of the utility model;
Fig. 3 is the side-looking enlarged diagram of cowling panel among Fig. 2;
Fig. 4 is the broken section enlarged diagram of Fig. 2;
Fig. 5 is the schematic side view of Fig. 4;
wherein: 1,1 ', housing; 2,2 ', bobbin carriage; 20,20 ', fluid intake; 21, linkage section; 22, elbow section; 23, reducer; 3,4 ', tube sheet; 4, cowling panel; 40, rectification hole; 5, abrasion proof ceramic wafer; 6, heat exchanger tube; 7, mozzle; 8, silica gel liner; 9, threaded connector; 10, rotate turbolator; 100, rotating shaft; 101, helix; 102, positioning end; 3 ', baffle plate; 5 ', heat exchanger tube tube bank.
The specific embodiment
like Fig. 2 to shown in Figure 5, the heat exchanger tube tube bank that the tube-sheet heat exchanger of present embodiment mainly comprises housing 1, bobbin carriage 2, tube sheet 3, is made up of a plurality of heat exchanger tubes 6 arranged side by side.Bobbin carriage 2 is divided into linkage section 21, bend loss 22 and reducer 23 3 parts that connect successively; Being connected of its middle connecting segment 21 with housing 1 one ends; One end of bend loss 22 is provided with fluid intake 20; The two ends of reducer 23 are connected with linkage section 21 and bend loss 22 respectively, and particularly the flow direction of the internal diameter longshore current body of reducer 23 becomes big gradually.Heat exchanger also comprises the cowling panel 4 that uprightly is arranged in the linkage section 21; Be provided with a plurality of rectification hole 40 on its cowling panel 4 uniformly,, cowling panel 4 stood upright on the intersection of reducer 23 and linkage section 21 in order to improve the effect of combing; Can make the fluid that gets into heat exchanger tube 6 by farthest combing; Thereby guarantee that fluid gets into the uniformity of heat exchanger tube 6, thoroughly solve fluid upset and the rambling situation of fluid flow state, improved the flow regime of fluid.
In
this example; Heat exchanger also comprises the abrasion proof ceramic wafer 5 on the end of cowling panel 4 that is installed in tube sheet 3, be used for fixing the threaded connector 9 of abrasion proof ceramic wafer 5 and tube sheet 3 and be filled in the fixedly silica gel liner 8 between the abrasion proof ceramic wafer 5 and tube sheet 3; Wherein abrasion proof ceramic wafer 5 is provided with the mozzle 7 of linkage section 21 with heat exchanger tube 6 conductings at each heat exchanger tube 6 place of corresponding heat exchanger tube tube bank; Bear impact by abrasion proof ceramic wafer 5 from linkage section 21 fluids; Solve the wearing and tearing of fluid to tube sheet 3; Prolonged the service life of tube sheet 3,, further reduced fluid directly to the wearing and tearing of tube sheet 3 and tube head weld again by the connection of mozzle 7 and heat exchanger tube 6.In addition, between abrasion proof ceramic wafer 5 and tube sheet 3, being provided with silica gel liner 8, mainly is the gap that reduces between abrasion proof ceramic wafer 5 and the tube sheet 3, and then reduces the fluid channelling to the gap between abrasion proof ceramic wafer 5 and the tube sheet 3, and the wearing and tearing that bring tube sheet 3.
are like Fig. 4 and shown in Figure 5; Heat exchanger in this example in each heat exchanger tube 6 of heat exchanger tube tube bank, is provided with the rotation turbolator 10 that can rotate except said structure; It rotates turbolator 10 and clears up ash-deposition and augmentation of heat transfer on the one hand, improves the heat exchange effect; Control flow rate of fluid on the other hand, solved the too high and serious wear that causes of flow rate of fluid and flow rate of fluid is crossed lowly and cause ash content to be detained or stop up heat exchanger tube 6 pores.Rotating turbolator 10 comprises along rotating shaft 100 that is horizontally set in the heat exchanger tube 6 and can rotates around self axial line and the helix 101 that is fixed in the rotating shaft 100 and extends along the length direction of rotating shaft 100; Its shaft 100 can form by polytetrafluoroethylene (PTFE) is integrated poured with helix 101; Perhaps form with alloy in lightweight is rolling, rotate respectively on the turbolator positioning end 102 of the abrasion proof ceramic wafer 5 at the fluid inflow entrance place that is arranged on heat exchanger tube 6 and the fluid outlet that is arranged on heat exchanger tube 6 at the two ends of rotating shaft 100.Therefore, for heat exchange effect that improves heat exchanger and the wearing and tearing that reduce in the heat exchanger tube 6, the gap between the rotary motion trace of helix 101 and heat exchanger tube 6 inwalls is 0.8 ~ 1.5mm; And helix thickness is that 0.2 ~ 0.3mm is best; According to the demand of heat exchange, the length of heat exchanger tube 6 is difficult for long simultaneously, has prolonged the flowing time of fluid and has slowed down the flow velocity that is in heat exchanger tube 6 inner fluids; Directly influence heat-transfer effect and grey fractional precipitation and stop up heat exchanger tube 6 pores; So the length of heat exchanger tube 6 is more suitable less than 5m, in addition, the diameter of rotating shaft 100 is that 6 ~ 8 mm are more suitable.
In sum, the heat exchanger of present embodiment and heat exchanger of the prior art relatively have the following advantages:
(1), the heat exchanger of present embodiment adopts the bobbin carriage of the elbow section, reducer and the linkage section that connect successively, reduced the space of fluid upset, reduced the wearing and tearing that the fluid upset brings;
(2), the heat exchanger of present embodiment has adopted cowling panel and abrasion proof ceramic wafer; By the shunting of cowling panel, the combing fluid flow state that fluid is tried one's best before getting into heat exchanger tube, and then make fluid get into heat exchanger tube uniformly; Thoroughly solve fluid upset and the rambling situation of fluid flow state; Improved the flow regime of fluid, thereby reduced the wearing and tearing of tube sheet, the while is according to the performance of abrasion proof ceramic wafer; Bear the fluid impact tube sheet and the wearing and tearing that cause by abrasion proof ceramic wafer, solved the wearing and tearing of fluid tube sheet and heat exchanger tube and tube sheet weld;
The heat exchanger of
(3), present embodiment is set up the rotation turbolator in heat exchanger tube; By rotating shaft of rotating turbolator and the rotation that helix constitutes rotary body, the control fluid is through the interior flow velocity of heat exchanger tube, promptly reduced the obstruction that the deposition of the slow ash content of flow velocity causes; Reduced the brinelling that the excessive velocities of fluid through heat exchanger tube causes again; One side is cleared up ash-deposition, and an augmentation of heat transfer has improved the heat exchange effect of heat exchanger.Therefore, the wearing and tearing of the heat exchanger of the utility model significantly reduce, and the maintenance cost of equipment operation reduces, and the equipment operational reliability increases, and prolong service life.
are above has done detailed description to the utility model, but the utility model is not limited to the above embodiments.All equivalences of doing according to the spirit of the utility model change or modify, and all should be encompassed in the protection domain of the utility model
Claims (9)
1. tube-sheet heat exchanger; It comprises housing (1), have the bobbin carriage (2) of fluid intake (20), tube sheet (3), heat exchanger tube tube bank; It is characterized in that: the reducer (23) that described bobbin carriage (2) comprises the linkage section (21) that is connected with an end of described housing (1), bend loss (22) that an end forms said fluid intake (20), the other end of said bend loss (22) is communicated with said linkage section (21); The internal diameter of said reducer (23) becomes greatly along the flow direction of said fluid gradually, and described heat exchanger also comprises the cowling panel (4) that uprightly is arranged in the said linkage section (21).
2. tube-sheet heat exchanger according to claim 1 is characterized in that: described cowling panel (4) uprightly is arranged on the intersection of said reducer (23) and described linkage section (21).
3. tube-sheet heat exchanger according to claim 1; It is characterized in that: described heat exchanger also comprises the abrasion proof ceramic wafer (5) on the end of said cowling panel (4) that is installed in said tube sheet (3), and said abrasion proof ceramic wafer (5) is located to be provided with the mozzle (7) of said linkage section (21) with said heat exchanger tube (6) conducting at each heat exchanger tube (6) of the said heat exchanger tube tube bank of correspondence.
4. according to the described tube-sheet heat exchanger of claim 3; It is characterized in that: between described abrasion proof ceramic wafer (5) and said tube sheet (3), be provided with silica gel liner (8), described abrasion proof ceramic wafer (5), silica gel liner (8) and tube sheet (3) connect through threaded connector (9).
5. according to the described tube-sheet heat exchanger of each claim in the claim 1 to 4, it is characterized in that: described heat exchanger also comprises the rotation turbolator (10) in each heat exchanger tube (6) that can be arranged on said heat exchanger tube tube bank rotationally.
6. tube-sheet heat exchanger according to claim 5 is characterized in that: the helix (101) that said rotation turbolator (10) comprises the rotating shaft (100) that is horizontally set in the described heat exchanger tube (6) and can rotates around self axial line and is fixed on that said rotating shaft (100) is gone up and extends along the length direction of said rotating shaft (100).
7. tube-sheet heat exchanger according to claim 6 is characterized in that: the gap between the rotary motion trace of described helix (101) and described heat exchanger tube (6) inwall is 0.8 ~ 1.5mm.
8. tube-sheet heat exchanger according to claim 6 is characterized in that: said rotating shaft (100) and said helix (101) form by polytetrafluoroethylene (PTFE) is integrated poured, perhaps form with alloy in lightweight is rolling.
9. tube-sheet heat exchanger according to claim 8 is characterized in that: the thickness of described helix (101) is 0.2 ~ 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202824125U CN202630744U (en) | 2012-06-15 | 2012-06-15 | Tube plate type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202824125U CN202630744U (en) | 2012-06-15 | 2012-06-15 | Tube plate type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202630744U true CN202630744U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202824125U Expired - Fee Related CN202630744U (en) | 2012-06-15 | 2012-06-15 | Tube plate type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202630744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679772A (en) * | 2012-06-15 | 2012-09-19 | 张家港市江南锅炉压力容器有限公司 | Tube plate type heat exchanger |
-
2012
- 2012-06-15 CN CN2012202824125U patent/CN202630744U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679772A (en) * | 2012-06-15 | 2012-09-19 | 张家港市江南锅炉压力容器有限公司 | Tube plate type heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20150615 |
|
| EXPY | Termination of patent right or utility model |