CN201470291U - Multi-group two-pass reflux casing pipe heater of polysilicon tail gas recovery system absorption column - Google Patents
Multi-group two-pass reflux casing pipe heater of polysilicon tail gas recovery system absorption column Download PDFInfo
- Publication number
- CN201470291U CN201470291U CN2009201691603U CN200920169160U CN201470291U CN 201470291 U CN201470291 U CN 201470291U CN 2009201691603 U CN2009201691603 U CN 2009201691603U CN 200920169160 U CN200920169160 U CN 200920169160U CN 201470291 U CN201470291 U CN 201470291U
- Authority
- CN
- China
- Prior art keywords
- pipe
- round trip
- backflow
- heater
- group
- 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 - Fee Related
Links
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a multi-group two-pass reflux casing pipe heater of a polysilicon tail gas recovery system absorption column, which comprises a plurality of groups of two-pass reflux casing pipes axially parallel to an absorption column, wherein each group of the two-pass reflux casing pipes includes an outer casing pipe and an inner casing pipe; the lower portion of the inner casing pipe is fixed onto the internal wall of the outer casing pipe through a support structure; the outer casing pipe with the upper end and the lower end sealed is communicated with the outside only through a gas outlet pipe arranged on the lower portion; the upper end of the inner casing pipe is open and the lower end of the inner casing pipe is sealed; one end of a gas inlet pipe is communicated with the outside and the other end is communicated with a ring-shaped gap between the inner casing pipe and the outer casing pipe. The multi-group two-pass reflux casing pipe heater of a polysilicon tail gas recovery system absorption column has the advantages of compact structure, small volume, large heat transfer area and capability of increasing filling quantity of adsorbents and improving heat exchanging efficiency. Besides, expansion caused by heat and contraction caused by cold of the heater in heating process are avoided, temperature difference stress is reduced, anti-fatigue effect of products is improved, and danger coefficient is greatly decreased.
Description
Technical field
The utility model relates to a kind of heater, is specifically related to the heater of a kind of adsorption column inside.
Background technology
Adsorption column is extremely crucial equipment in the polycrystalline silicon device exhaust gas recovery system, is used for absorbing residual HCl and chlorosilane in the hydrogen, thereby obtains highly purified hydrogen.The adsorbents adsorb work period in the adsorption column is about 8 hours, by recycling behind the thermal regeneration.Common heater is that the internal hot-water heat(ing) coil is set in equipment, but because reasons such as vibration, fatigue and thermal expansion, usually cause coil pipe damage, equipment failure, and interior water of coil pipe and equipment interior chlorosilane, HCl, hydrogen medium are contacted, form strong corrosive environment and produce explosion danger.
The utility model content
The technical problems to be solved in the utility model provides a kind of polysilicon tail gas recovery system adsorption column and organizes round trip backflow double pipe heater more, and the coiled heating that solves adsorption column use in the past damages dangerous bigger problem easily.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column, this heater comprises the round trip backflow sleeve pipe that many groups and adsorption column axially parallel are provided with, above-mentioned many group round trip backflow sleeve pipes are installed in adsorption column inside by bracing frame, every group of round trip backflow sleeve pipe comprises outer tube and inner sleeve, the bottom of inner sleeve is fixed on the inwall of outer tube by supporting construction, the diameter of inner sleeve is littler than outer tube, and its length is shorter than outer tube; Outer sleeve upper sealing, the lower end is also sealed, and only by an escape pipe and an external communications that is arranged on the outer tube bottom, the inner sleeve upper end is opened wide, and lower end closed; Air inlet pipe one end is in communication with the outside, and the another port communicates with annular gap between inner sleeve, the outer tube.
Further technical scheme is:
Described every group of round trip backflow double pipe heater also is provided with the cleaning device of putting that is used to discharge gas, this puts cleaning device is a central tube that is arranged on the inner sleeve centre, this central tube top flushes with the top of inner sleeve, and inner sleeve and outer tube and heater external communications are passed in the bottom.
Between described inner sleeve and the outer tube support positioning plates is installed.
Described inner sleeve and outer tube are steel pipe.
Described bracing frame is by forming with the connecting rod that is connected each pipe box with the pipe box that round trip backflow double pipe heater number equates, the inwall of each pipe box surrounds the outer wall of outer tube, and connecting rod reticulates, and a plurality of pipe boxes are coupled together, and is fixedly mounted on the adsorption column inwall.
The utility model is all right:
Described respectively the group adopts parallel connection or series system to connect between air inlet pipe between the round trip backflow sleeve pipe and the escape pipe.
Described respectively organize to adopt between air inlet pipe between the round trip backflow sleeve pipe and the escape pipe be connected in series, promptly the air inlet of first group of round trip backflow sleeve pipe links to each other with the receiving system of giving vent to anger with inlet duct respectively with the gas outlet of last group round trip backflow sleeve pipe, and the gas outlet of all the other every group of round trip backflow sleeve pipes links to each other with the air inlet of next group round trip backflow sleeve pipe.
Described respectively organize to adopt between air inlet pipe between the round trip backflow sleeve pipe and the escape pipe be connected in parallel, the air inlet of promptly respectively organizing round trip backflow sleeve pipe links to each other with inlet duct simultaneously, each gas outlet while of organizing round trip backflow sleeve pipe links to each other with the receiving system of giving vent to anger.
Compared with prior art, the beneficial effects of the utility model are: heater total compactness, and shared volumetric spaces is little, and heat transfer area is big, improves the loadings of adsorbent and strengthens heat exchange efficiency.In heating process, avoid expanding with heat and contract with cold of heater, reduced thermal (temperature difference) stress, improved the antifatigue effect of product, prolonged the service life of product, greatly reduced the danger that heater is blasted.Simultaneously the utility model is used in the inner adsorbent thermal regeneration of adsorption column, can effectively improves the quality of products, cut down the consumption of energy, increase economic efficiency, through the utilization in test on equipment and the production, its operational excellence, suitable promoting the use.
Description of drawings
Fig. 1 is an overall schematic of the present utility model;
Fig. 2 is the cutaway view of Fig. 1 along A-A ';
Fig. 3 is the enlarged diagram of round trip backflow double pipe heater in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
As shown in Figure 1, 2, 3, a kind of many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column, this heater comprises seven groups of round trip backflow sleeve pipes 13 that are provided with the adsorption column axially parallel, above-mentioned seven groups of round trip backflow sleeve pipes are installed in heater inside by bracing frame 10, and bracing frame 10 is made up of with the connecting rod 12 that is connected each pipe box seven pipe boxes 11.The inwall of each pipe box 11 surrounds the outer wall of outer tube 4, and connecting rod 12 reticulates, and a plurality of pipe boxes 11 are coupled together, and is fixedly mounted on the heater inwall.Adopt parallel connection or series system to connect between air inlet pipe 1 between every group of round trip backflow sleeve pipe and the escape pipe 2.So-called in parallel, that is to say that the air inlet of every group of round trip backflow sleeve pipe links to each other with inlet duct simultaneously, the gas outlet of every group of round trip backflow sleeve pipe links to each other with the receiving system of giving vent to anger simultaneously.So-called series system, just the air inlet of first group of backflow sleeve pipe links to each other with inlet duct, the gas outlet of first group of backflow sleeve pipe links to each other with the air inlet of second group of backflow sleeve pipe, the gas outlet of second group of backflow sleeve pipe links to each other with the air inlet of the 3rd group of backflow sleeve pipe, analogize, link to each other with the receiving system of giving vent to anger up to the gas outlet of the 7th group of backflow sleeve pipe.Every group of round trip backflow sleeve pipe comprises steel outer tube 4 and steel inner sleeve 5, and the bottom of inner sleeve 5 is fixed on the inwall of outer tube 4 by supporting construction 3, and the diameter of inner sleeve 5 is littler than outer tube 4, and its length is shorter than outer tube 4; Outer tube 4 upper end closeds, the lower end is also sealed, and only by an escape pipe 2 and an external communications, inner sleeve 5 upper ends are opened wide, and lower end closed; Between inner sleeve 5 and the outer tube 4 support positioning plates 6 is installed, is used for fixing the gap between the internal and external casing.Air inlet pipe 1 one ends are in communication with the outside, the another port with communicate with annular gap between inner sleeve 5, the outer tube 4 by the hole that is arranged on the supporting construction 3 below the inner sleeve 5.Every group of round trip backflow double pipe heater also be provided be used to discharge gas put cleaning device 7, this puts cleaning device 7 is a central tube that is arranged on inner sleeve 5 centres, this central tube top flushes with the top of inner sleeve 5, and inner sleeve 5 and outer tube 4 and heater external communications are passed in the bottom.
Come to introduce in detail the course of work of the present utility model below again: operation principle is: the heating agent (can be gas or liquid) of coming in from the outside enters along the slit between the internal and external casing by air inlet pipe 1 and rises to the top, heating agent turns to along the inside of inner sleeve 5 and flows downward then, be discharged to outside the heater by escape pipe 2 then, setting allow heating agent between the gap of internal and external casing by strengthening flow velocity, improve heat transfer coefficient, effectively raised heat-transfer effect.Putting cleaning device 7 is that a central tube passes inner sleeve 5 and outer tube 4 is drawn out to device external then, and the top of central tube is concordant with inner sleeve 5, can emptying at the on-condensible gas at heater top.The heating agent that rises in the whole device and the heating agent of decline can effectively reduce thermal (temperature difference) stress in the tube wall both sides of inner sleeve 5 respectively, improve the stability and the security of heater, increase the service life.This heating arrangement is used in the inner adsorbent thermal regeneration of adsorption column, can effectively improve the quality of products, and cuts down the consumption of energy, and increases economic efficiency, and through the utilization in test on equipment and the production, its operational excellence can obtain good effect.Connected mode between every group of round trip backflow double pipe heater can be calculated definite for still series connection in parallel as required.Stainless steel material is adopted in the heater manufacturing, can effectively prevent the corrosion of medium, improves the service life of device.
Claims (8)
1. many groups round trip backflow double pipe heater of a polysilicon tail gas recovery system adsorption column, it is characterized in that: this heater comprises the round trip backflow sleeve pipe that many groups and adsorption column axially parallel are provided with, above-mentioned many group round trip backflow sleeve pipes are installed in adsorption column inside by bracing frame (10), every group of round trip backflow sleeve pipe comprises outer tube (4) and inner sleeve (5), the bottom of inner sleeve (5) is fixed on the inwall of outer tube (4) by supporting construction (3), the diameter of inner sleeve (5) is littler than outer tube (4), and its length is shorter than outer tube (4); Outer tube (4) upper end closed, the lower end is also sealed, and only by an escape pipe (2) and an external communications that is arranged on the outer tube bottom, inner sleeve (5) upper end is opened wide, and lower end closed; Air inlet pipe (1) one end is in communication with the outside, and the another port communicates with annular gap between outer tube (4), the inner sleeve (5).
2. many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column according to claim 1, it is characterized in that: described every group of round trip backflow double pipe heater also be provided be used to discharge gas put cleaning device (7), this puts cleaning device (7) is a central tube that is arranged on inner sleeve (5) centre, this central tube top flushes with the top of inner sleeve (5), and inner sleeve (5) and outer tube (4) and heater external communications are passed in the bottom.
3. many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column according to claim 2 is characterized in that: between described inner sleeve (5) and the outer tube (4) support positioning plates (6) is installed.
4. many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column according to claim 1 is characterized in that: described inner sleeve (5) and outer tube (4) are steel pipe.
5. many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column according to claim 1, it is characterized in that: described bracing frame (10) is by forming with the connecting rod that is connected each pipe box (11) (12) with the pipe box (11) that round trip backflow double pipe heater number equates, the inwall of each pipe box (11) surrounds the outer wall of outer tube (4), and connecting rod (12) reticulates, connect a plurality of pipe boxes (11), be fixedly mounted on the adsorption column inwall.
6. many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column according to claim 1 is characterized in that: described respectively the group adopts parallel connection or series system to connect between air inlet pipe (1) between the round trip backflow sleeve pipe and the escape pipe (2).
7. many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column according to claim 6, it is characterized in that: described respectively organize to adopt between air inlet pipe (1) between the round trip backflow sleeve pipe and the escape pipe (2) be connected in series, promptly the air inlet (1) of first group of round trip backflow sleeve pipe links to each other with the receiving system of giving vent to anger with inlet duct respectively with the gas outlet (2) of last group round trip backflow sleeve pipe, and the gas outlet (2) of all the other every group of round trip backflow sleeve pipes links to each other with the air inlet (1) of next group round trip backflow sleeve pipe.
8. many groups round trip backflow double pipe heater of polysilicon tail gas recovery system adsorption column according to claim 6, it is characterized in that: described respectively organize to adopt between air inlet pipe (1) between the round trip backflow sleeve pipe and the escape pipe (2) be connected in parallel, the air inlet (1) of promptly respectively organizing round trip backflow sleeve pipe links to each other with inlet duct simultaneously, and each gas outlet (2) of organizing round trip backflow sleeve pipe links to each other with the receiving system of giving vent to anger simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201691603U CN201470291U (en) | 2009-08-18 | 2009-08-18 | Multi-group two-pass reflux casing pipe heater of polysilicon tail gas recovery system absorption column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201691603U CN201470291U (en) | 2009-08-18 | 2009-08-18 | Multi-group two-pass reflux casing pipe heater of polysilicon tail gas recovery system absorption column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201470291U true CN201470291U (en) | 2010-05-19 |
Family
ID=42406529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201691603U Expired - Fee Related CN201470291U (en) | 2009-08-18 | 2009-08-18 | Multi-group two-pass reflux casing pipe heater of polysilicon tail gas recovery system absorption column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201470291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716641A (en) * | 2012-06-08 | 2012-10-10 | 江苏双良新能源装备有限公司 | Adsorption column for detachable casing pipe structure |
-
2009
- 2009-08-18 CN CN2009201691603U patent/CN201470291U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716641A (en) * | 2012-06-08 | 2012-10-10 | 江苏双良新能源装备有限公司 | Adsorption column for detachable casing pipe structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2873744Y (en) | Device for quick preparing industrial ammonia water | |
| CN101881570A (en) | Dual-coil system high-efficiency heat storage and exchange method and device thereof | |
| CN201145499Y (en) | Case pipe heat exchanger | |
| CN201444007U (en) | Detachable spiral plate heat exchanger | |
| CN201731682U (en) | Untreated sewage source heat pump system | |
| CN104368282B (en) | The water bed reactor of beam tube type | |
| CN201470291U (en) | Multi-group two-pass reflux casing pipe heater of polysilicon tail gas recovery system absorption column | |
| CN201237465Y (en) | Oscillatory flow heat pipe exchanger | |
| CN2789609Y (en) | Air preheater | |
| CN208936818U (en) | A kind of finned gas cooler of efficiency compact high | |
| CN217383892U (en) | Heat exchange tube for air heat exchange device | |
| CN203928789U (en) | A kind of boiler combined condenser | |
| CN202747843U (en) | Normal pressure low-temperature three-return-stroke waste heat recoverer | |
| CN205860828U (en) | Deflection bar type corrugated tube heat exchanger | |
| CN201764867U (en) | Flue gas waste heat recovery device | |
| CN101592408A (en) | Solar thermal collector | |
| CN210320101U (en) | Organic waste gas catalytic combustion furnace | |
| CN210374743U (en) | Prefabricated modular solid heat storage device and solid heat storage system | |
| CN201186210Y (en) | Vertical type water-cooling tube box type reactor | |
| CN201811622U (en) | Radial heat pipe heat exchanger | |
| CN201764862U (en) | High-temperature heat exchanger | |
| CN201935610U (en) | Tubular heat exchanger | |
| CN101832147A (en) | Downhole cooling air-cooling dehumidifier | |
| CN216924418U (en) | Novel combined air preheater | |
| CN101672594A (en) | Novel on-line hydrogen-removal long-acting row-type tube bundle steel-water heat tube air preheater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120818 |