CN202382610U - Titanium steam heater with tube end protection function - Google Patents
Titanium steam heater with tube end protection function Download PDFInfo
- Publication number
- CN202382610U CN202382610U CN2012202176103U CN201220217610U CN202382610U CN 202382610 U CN202382610 U CN 202382610U CN 2012202176103 U CN2012202176103 U CN 2012202176103U CN 201220217610 U CN201220217610 U CN 201220217610U CN 202382610 U CN202382610 U CN 202382610U
- Authority
- CN
- China
- Prior art keywords
- tube
- zirconium
- plate
- air inlet
- shell core
- 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.)
- Expired - Lifetime
Links
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 17
- 239000010936 titanium Substances 0.000 title claims abstract description 17
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims description 24
- 239000008358 core component Substances 0.000 claims 3
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 11
- 235000011941 Tilia x europaea Nutrition 0.000 description 11
- 239000004571 lime Substances 0.000 description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a preheater in a tail gas expander unit for a purified terephthalic acid (PTA) device, in particular to a titanium steam heater with a tube end protection function. The titanium steam heater comprises an air inlet tube header, a shell core part and an air outlet tube header, wherein the air inlet tube header and the air outlet tube header are respectively connected with the air inlet end and the air outlet end of the shell core part; a tube end protection part is arranged at the air inlet end of the shell core part and comprises a zirconium plate and a zirconium tube; the zirconium plate is arranged on a tube plate at the air inlet end of the shell core part; one end of the zirconium tube is connected with the zirconium plate; and the other end of the zirconium tube is arranged in a heat exchange tube of the shell core part. When tail gas enters the tube header and then directly enters the heat exchange tube through the tube end protection part, no scour and corrosion are brought to the tube plate and a heat exchange tube head, so that the service life of the titanium steam heater is greatly prolonged and the input cost of equipment is reduced.
Description
Technical field
The utility model relates to p-phthalic acid (PTA) device with the pre-heater in the tail gas decompressor unit, specifically a kind of titanium material steam heater with the pipe end protection.
Background technology
Along with the continuous development of China's polyester industrial, the market demand of PTA product increases rapidly.The PTA device domesticized in a large number in recent years, and development PTA production technology becomes an important content that promotes the polyester industrial development.Pre-heater is a heat transmission equipment before the tail gas decompressor in the PTA device, and the tail gas that produces behind the air reaction is heated to 130～180 ℃, gets into the recovery that the tail gas decompressor carries out the pressure ability then.Because contain bromide and the organic matter (like paraxylene and methyl acetate etc.) that comprises acetic acid in the tail gas, corrosivity is strong especially, so the material of pre-heater and tail gas contact portion is selected the titanium material usually for use.Because tail gas is producing bump when the tube sheet, the water in the tail gas has separates out, and combining with strong corrosive media in the tail gas can be to tube sheet and the serious corrosion of heat exchanger tube joint generation; Add washing away of air-flow, even the tube sheet of heater tail gas import department and heat exchanger tube joint adopt the titanium material still can be corroded very soon, service life of equipment shortens greatly.If integral body is used the corrosion resistance better material instead, manufacturing cost is very high again.
The utility model content
In order to solve the above-mentioned problem that existing tail gas pre-heater exists, the purpose of the utility model is to provide a kind of titanium material steam heater with the pipe end protection.This heater corrosion resistance is strong, long service life.
The purpose of the utility model realizes through following technical scheme:
The utility model comprises air inlet bobbin carriage, shell core parts and the bobbin carriage of giving vent to anger, and the air inlet bobbin carriage and the bobbin carriage of giving vent to anger are connected with the inlet end and the outlet side of shell core parts respectively; The inlet end of said shell core parts is provided with the pipe end protecting component; Said pipe end protecting component comprises zirconium plate and zirconium pipe; Wherein the zirconium plate is installed on the tube sheet of shell core parts inlet end, and an end of said zirconium pipe is connected with the zirconium plate, and the other end is plugged in the heat exchanger tube of shell core parts.
Wherein: said zirconium plate is fixed on the tube sheet of shell core parts inlet end through zirconium material screw; Be provided with the zirconium pipe that equates with heat exchanger tube quantity at the zirconium plate; One end seal weld of zirconium pipe is connected on the zirconium plate, and the tail gas that is got into by the air inlet bobbin carriage enters into through said zirconium pipe and carries out heat exchange in the heat exchanger tube; The said air inlet bobbin carriage and the bobbin carriage of giving vent to anger are frustum, lay respectively at the inlet, outlet end of shell core parts; Said heater is an axial admission, axially gives vent to anger; Said shell core parts comprise housing, tube sheet, heat exchanger tube and gripper shoe, and these shell core parts are the fixed tube sheet type structure, and promptly all directly weld with tube sheet at the two ends of housing; Said housing top is provided with a plurality of steam inlets, and the bottom is provided with the lime set outlet, and a plurality of gripper shoes have been installed in the housing, and each heat exchanger tube passes by each gripper shoe; The upper/lower terminal of said gripper shoe leaves respectively and supplies steam and the free-pouring breach of lime set; Between said housing upper end inwall and the heat exchanger tube and leave the vapor space and lime set space between housing lower end inwall and the heat exchanger tube respectively.
Advantage of the utility model and good effect are:
The utility model increases zirconium material pipe end protecting component, characteristics such as a plurality of steam inlets is set at shell side on titanium material steam heater tail gas entrance point tube sheet; Except that the safety that possesses skills, good stability, advantage easy to maintenance; It is strong to have more corrosion resistance; Long service life, characteristics such as low cost of manufacture are specially:
1. the utility model adopts zirconium material pipe end protecting component, has improved corrosion resistance, has satisfied working condition requirement, has increased service life.As be not with the pipe end protection, and service life of equipment shortens, and equipment investment cost increases; Adopt corrosion resistance better material such as zirconium material like integral body, the primary equipment cost of investment will increase several times.The utility model has reduced material and processing cost greatly satisfying under the situation of applying working condition.
2. frustum turnover tracheae box part makes air-flow steady, greatly reduces the pressure loss, has improved the efficient of whole unit.
3. the shell core parts adopt the fixed tube sheet type structure, have prevented steam leakage; The setting of a plurality of steam inlets makes distribution of steam even; Gripper shoe adopts breach type up and down, makes distribution of steam even, and lime set flows free; Consider the vapor space and lime set space on the stringing, make the effectively heat exchange of all heat exchanger tubes, improved the long-time running reliability of equipment greatly.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 A is the structural representation of pipe end protecting component among Fig. 1;
Fig. 2 B is the side view of Fig. 2 A;
Fig. 2 C is the partial enlarged drawing at I place among Fig. 2 A;
Fig. 2 D is the partial enlarged drawing at II place among Fig. 2 A;
Fig. 3 is the sketch map that the utility model pipe end protecting component is connected with tube sheet;
Wherein: 1 is the air inlet bobbin carriage, and 2 is the pipe end protecting component, and 3 is the shell core parts, and 4 for giving vent to anger bobbin carriage, and 5 is gripper shoe, and 6 is zirconium material screw, and 7 is the zirconium plate, and 8 are the multiple layer of tube sheet, and 9 is the zirconium pipe, and 10 is tube sheet basic unit, and 11 is heat exchanger tube, and 12 is steam inlet, and 13 are the lime set outlet.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further to detail.
As shown in Figure 1, the utility model comprises air inlet bobbin carriage 1, pipe end protecting component 2, shell core parts 3 and the bobbin carriage 4 of giving vent to anger, and wherein the air inlet bobbin carriage 1 and the bobbin carriage 4 of giving vent to anger are connected with the inlet end and the outlet side of shell core parts 3 respectively; The tube sheet of the inlet end of shell core parts 3 is provided with pipe end protecting component 2.
Like Fig. 2 A～2D and shown in Figure 3; Pipe end protecting component 2 comprises zirconium plate 7 and zirconium pipe 9; Wherein zirconium plate 7 is fixed on the tube sheet of shell core parts 3 inlet ends through zirconium material screw 6, on zirconium plate 7, is provided with the zirconium pipe 9 that equates with heat exchanger tube 11 quantity of shell core parts 13, and an end seal weld of zirconium pipe 9 is connected on the zirconium plate 7; The other end is plugged in heat exchanger tube 11 interior, the formation bushing pipes of shell core parts 3, and the tail gas that is got into by air inlet bobbin carriage 1 carries out heat exchange in zirconium pipe 9 enters into heat exchanger tube 11.
The air inlet bobbin carriage 1 and the bobbin carriage 4 of giving vent to anger lay respectively at the inlet, outlet end of shell core parts 3, adopt axial admission, axially give vent to anger; The air inlet bobbin carriage 1 and the bobbin carriage 4 of giving vent to anger are frustum, can make linear reduction of air velocity and increase, reduce the pressure loss.Shell core parts 3 comprise housing, tube sheet, heat exchanger tube 11 and gripper shoe 5, and these shell core parts 3 are the fixed tube sheet type structure, and promptly all directly weld with tube sheet at the two ends of housing, prevents steam leakage; Housing top is provided with a plurality of steam inlet 12, steam is evenly distributed; The bottom is provided with lime set outlet 13; A plurality of gripper shoes 5 have been installed in the housing, have adopted upper and lower breach type, promptly the upper/lower terminal of gripper shoe 5 leaves distance apart from inner walls respectively; The steam on top and the lime set of bottom can be flowed freely, and the both sides, lower end of gripper shoe 5 are welded with slide bar.When arranging, heat exchanger tube considers the vapor space and lime set space; Guarantee the effectively heat exchange of all heat exchanger tubes; Be between housing upper end inwall and the heat exchanger tube 11 and leave the vapor space and lime set space respectively between housing lower end inwall and the heat exchanger tube 11; So the gas-phase space on top is big, even diffused, and the bottom avoid heat exchanger tube 11 by bubble in lime set, influence heat exchange.Tube sheet comprises multiple layer 8 of tube sheet and tube sheet basic unit 10, and heat exchanger tube 11 is passed, is welded on the outer surface of the multiple layer 8 of tube sheet by tube sheet basic unit 10; All have a plurality of holes on each gripper shoe 5, each heat exchanger tube 11 is passed by the hole on the gripper shoe 5, and gripper shoe 5 exchange heat pipes 11 can be played a supporting role.
The zirconium plate 7 of the utility model, the trade mark of zirconium pipe 9 are R60702, and heat exchanger tube 11 is the titanium pipe.
The operation principle of the utility model is:
Air inlet bobbin carriage 1 and the bobbin carriage 4 of giving vent to anger are installed in the two ends of shell core parts 3 respectively, and zirconium plate 7 adopts the sealing Type of Welding to form pipe end protecting components 2 with zirconium pipe 9, with zirconium material screw 6 pipe end protecting component 2 are fastened on the tube sheet of inlet end again, connect into an integral body.
It is inner that tail gas gets into heater through import bobbin carriage 1, arrives the bobbin carriage 4 of giving vent to anger through heat exchanger tube, relies on the high-temperature steam of shell side to accomplish heat transfer process.Tail gas is is directly blown and beaten on protection zirconium plate 7 in import bobbin carriage 1, get in the heat exchanger tubes 11 through zirconium pipe 9 again, has prevented gas washing away and corrode the tube sheet of equipment itself and heat exchanger tube joint effectively.The pipe end protecting component of the utility model has high anticorrosive property, has guaranteed the stable operation of heater.
The utility model adopts zirconium material pipe end protecting component, and the local precious metal zirconium R60702 that adopts has satisfied working condition requirement, greatly reduces the equipment input cost.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202176103U CN202382610U (en) | 2012-05-08 | 2012-05-08 | Titanium steam heater with tube end protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202176103U CN202382610U (en) | 2012-05-08 | 2012-05-08 | Titanium steam heater with tube end protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202382610U true CN202382610U (en) | 2012-08-15 |
Family
ID=46631107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202176103U Expired - Lifetime CN202382610U (en) | 2012-05-08 | 2012-05-08 | Titanium steam heater with tube end protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202382610U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862999A (en) * | 2012-09-14 | 2013-01-09 | 苏州市中衡压力容器制造有限公司 | Crystallization and concentration device used for extracting alumina from coal ash through acid leaching method |
| CN104607768A (en) * | 2013-11-01 | 2015-05-13 | 沈阳鼓风机集团压力容器有限公司 | Production process of high-corrosion resistance and scour prevention part of tail gas heater |
| CN108413785A (en) * | 2018-04-17 | 2018-08-17 | 江苏龙净节能科技有限公司 | A kind of titanium heat-exchanger rig |
-
2012
- 2012-05-08 CN CN2012202176103U patent/CN202382610U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862999A (en) * | 2012-09-14 | 2013-01-09 | 苏州市中衡压力容器制造有限公司 | Crystallization and concentration device used for extracting alumina from coal ash through acid leaching method |
| CN102862999B (en) * | 2012-09-14 | 2015-05-20 | 苏州市中衡压力容器制造有限公司 | Crystallization and concentration device used for extracting alumina from coal ash through acid leaching method |
| CN104607768A (en) * | 2013-11-01 | 2015-05-13 | 沈阳鼓风机集团压力容器有限公司 | Production process of high-corrosion resistance and scour prevention part of tail gas heater |
| CN104607768B (en) * | 2013-11-01 | 2016-09-28 | 沈阳鼓风机集团压力容器有限公司 | The high anti-corrosion erosion control parts production technology of heater exhaust gas |
| CN108413785A (en) * | 2018-04-17 | 2018-08-17 | 江苏龙净节能科技有限公司 | A kind of titanium heat-exchanger rig |
| CN108413785B (en) * | 2018-04-17 | 2024-04-19 | 江苏龙净节能科技有限公司 | Titanium heat exchange device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: No. 196, shenliaoxi Road, economic and Technological Development Zone, Shenyang, Liaoning Patentee after: Shenyang Blower Group auxiliary equipment complete engineering Co., Ltd Address before: 110869, No. 16, development road, Zhang Shi economic and Technological Development Zone, Shenyang, Liaoning Patentee before: SHENYANG BLOWER WORKS GROUP PRESSURE VESSEL Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |