CN203964705U - High containing wet flue gas sensible heat recovery of latent heat device - Google Patents
High containing wet flue gas sensible heat recovery of latent heat device Download PDFInfo
- Publication number
- CN203964705U CN203964705U CN201420374611.8U CN201420374611U CN203964705U CN 203964705 U CN203964705 U CN 203964705U CN 201420374611 U CN201420374611 U CN 201420374611U CN 203964705 U CN203964705 U CN 203964705U
- Authority
- CN
- China
- Prior art keywords
- section
- flue gas
- tower
- tower body
- height
- 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.)
- Withdrawn - After Issue
Links
Abstract
High containing wet flue gas sensible heat recovery of latent heat device, comprise tower, tower is hollow structure, tower comprises tower body and tower top, tower body is divided into successively from bottom to up liquid collecting aqua seal section, flue gas flow equalizing section, contact heat-exchanging section, sprays refinement section again and vapor-liquid separation section, the boundary of liquid collecting aqua seal section and flue gas flow equalizing section is provided with gas approach, and gas approach is inclined upwardly; Tower top is provided with exhanst gas outlet; Contact heat-exchanging Duan Weiyi section void tower; Spray refinement section again and be provided with 2～4 helical layer nozzles, spiral nozzle is positioned at the inside of tower body, and the quantity of every helical layer nozzle is 12～36, and every helical layer nozzle distributes along even circumferential, all upward, every helical layer nozzle top is provided with refinement silk screen to the spout of spiral nozzle.The utility model terminal temperature difference is less, and dirtiness resistance and the partition thermal resistance of effectively avoiding heat-transfer area to bring can effectively improve the heat exchanger effectiveness of flue gas and current, and the suffered resistance of flue gas is less, and power consumption is little.
Description
Technical field
The utility model relates to a kind of high containing wet flue gas sensible heat recovery of latent heat device.
Background technology
At present, known recovered flue gas sensible heat simultaneously and latent heat device divide two classes: a class is dividing wall type, flue gas and exhaust-heat absorption medium lay respectively at the both sides of partition, partition both sides or have expansion heat-transfer surface, this type of flue gas waste heat recovery apparatus metal consumption is large, terminal temperature difference is large, the dirtiness resistance and the partition thermal resistance that exist heat-transfer area to bring; Another kind of is direct contact type, flue gas is general and liquid phase medium adverse current direct contact heat transfer in spray column, spray column has two kinds of void tower and packed towers, and void tower liquid phase medium needs pressure atomization, and power consumption is large, injection diameter is little, easily stop up, packed tower cost is high, and resistance is large, power consumption is also large, between filler, easily stops up.
In Bayer process and alumina by sintering production system, laterite washing needs a large amount of wash waters, approximately 90 ℃ of left and right of wash water temperature, wash water source is generally the red mud water of rainwater and red-mud settlement and separation in red mud dam, and water under the circulation in technique, and be warming up to 90 ℃ of left and right by coal-burning boiler Steam Heating, be alkalescence, and contain certain solid suspension easily scabbing.Aluminium hydroxide roasting stove and grog calcining kiln will be to discharging large amount temperature in atmosphere 150～200 ℃ contain
Sulphur dust-laden and water capacity are at more than 40% low-grade flue gas.
Also do not have at present a kind of height being effectively specifically applied in Bayer process and alumina by sintering production system to contain wet flue gas sensible heat latent heat device.
Utility model content
Technical problem to be solved in the utility model is, overcome the deficiency of above-mentioned background technology, provide a kind of terminal temperature difference less, dirtiness resistance and the partition thermal resistance of avoiding heat-transfer area to bring, improve the heat exchanger effectiveness of flue gas and current, the suffered resistance of flue gas is less, and the little height of power consumption contains wet flue gas sensible heat recovery of latent heat device.
The technical scheme that the utility model solves its technical problem employing is, a kind of high containing wet flue gas sensible heat recovery of latent heat device, comprise tower, described tower is hollow structure, inner wall of tower is established corrosion-proof lining, and tower comprises tower body and tower top, and tower body is divided into successively from bottom to up liquid collecting aqua seal section, flue gas flow equalizing section, contact heat-exchanging section, sprays refinement section again and vapor-liquid separation section, the boundary of described liquid collecting aqua seal section and flue gas flow equalizing section is provided with gas approach, and described tower top is provided with exhanst gas outlet;
The end face of described gas approach is square structure, and gas approach is inclined upwardly, horizontal by 6 °～10 ° angles; The bottom of described liquid collecting aqua seal section is provided with blow-off pipe and hot water conveying pipe, and hot water conveying pipe is positioned at the top of blow-off pipe, and the top of liquid collecting aqua seal section is provided with water seal overflow pipe; Described flue gas flow equalizing section is provided with rectification and guide grid; Described contact heat-exchanging Duan Weiyi section void tower; Described spray refinement section is again provided with 2～4 helical layer nozzles, spiral nozzle is positioned at the inside of tower body, and the quantity of every helical layer nozzle is 12～36, and every helical layer nozzle distributes along even circumferential, all upward, every helical layer nozzle top is provided with refinement silk screen to the spout of described spiral nozzle; Described gas-liquid separation section is provided with gas-liquid separator and flooding nozzle, flooding nozzle be positioned at gas-liquid separator above or below.
Further, described gas approach is horizontal by 8 ° of angles.
Further, the outer wall of described tower body is provided with rotary climbing ladder, and rotary climbing ladder extends to the top of tower body from the bottom of tower body, and the outer wall middle part of described tower body is provided with operating platform, and described tower top is provided with lightning protection device.
Further, described tower body and exhanst gas outlet are the cylindrical structure of hollow; The internal diameter of described tower body is 2m～9m, and the ratio of the internal diameter of tower body and the width of gas approach is 10: 5～6.
Further, described tower body and exhanst gas outlet are the square cylinder structure of hollow.
Further, the height of described contact heat-exchanging section is 3m～24m.
Further, described gas-liquid separator is two-stage ripple baffle plate type inertial gas-liquid separator.
Further, described refinement silk screen adopts 80～100 object stainless steel refinement silk screens.
Further, the height of described exhanst gas outlet is 5m.
Further, described spiral nozzle is solid cone shaped spiral nozzle.
Compared with prior art, advantage of the present utility model is as follows:
(1) the utility model terminal temperature difference is less, dirtiness resistance and the partition thermal resistance of avoiding heat-transfer area to bring.
(2) spray refinement section again and be provided with 2～4 helical layer nozzles, the spout of spiral nozzle all upward, current spray from the bottom up, every helical layer nozzle top is provided with refinement silk screen, and current refinement on refinement silk screen of ejection, can effectively avoid current to need pressure atomization from the bottom up, power consumption is less, the spray orifice of spiral nozzle is difficult for stopping up, and the contact area and the time of contact that have also increased flue gas and current, can effectively improve the heat exchanger effectiveness of flue gas and current simultaneously.
(3) contact heat-exchanging Duan Weiyi section void tower, the suffered resistance of flue gas is less, and power consumption is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
In figure: 1-gas approach, 2-liquid collecting aqua seal section, 3-flue gas flow equalizing section, 4-contact heat-exchanging section, 5-spray refinement section again, 6-vapor-liquid separation section, 7-exhanst gas outlet, 8-rectification and guide grid, 9-rotary climbing ladder, 10-operating platform, 201-blow-off pipe, 202-hot water conveying pipe, 203-water seal overflow pipe, 501-spiral nozzle, 502-refinement silk screen, 601-gas-liquid separator, 602-flooding nozzle.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
With reference to Fig. 1, the present embodiment body comprises tower, the structure that tower is hollow, and inner wall of tower is established corrosion-proof lining, and in actual applications, tower is steel structure tower; Tower comprises tower body and tower top, the cylindrical structure that tower body is hollow (also can be the square cylinder structure of hollow).
The outer wall of tower body is provided with rotary climbing ladder 9, and rotary climbing ladder 9 extends to the top of tower body from the bottom of tower body, and the outer wall middle part of tower body is provided with operating platform 10, and the top of tower top is provided with lightning protection device.
Tower is divided into successively from bottom to up liquid collecting aqua seal section 2, flue gas flow equalizing section 3, contact heat-exchanging section 4, sprays refinement section again 5 and vapor-liquid separation section 6, the boundary of liquid collecting aqua seal section 2 and flue gas flow equalizing section 3 is provided with gas approach 1, the end face of gas approach 1 is square structure, gas approach 1 is inclined upwardly, horizontal by 6 °～10 ° angles, in actual applications, gas approach 1 is horizontal by 8 ° of angles.
When cylindrical structure that tower body is hollow, the ratio of the width of the internal diameter of tower body and gas approach 1 is 10: 5～6.The internal diameter of tower body is definite by average flue gas total flow and plume speed, and flue gas flow rate is generally got 1.5～3m/s, and the internal diameter of tower is 2m～9m, and the steel construction in tower all adopts corrosion-resistant stainless steel material to make.
The bottom of liquid collecting aqua seal section 2 is provided with blow-off pipe 201 and hot water conveying pipe 202, and hot water conveying pipe 202 is positioned at the top of blow-off pipe 201, and the top of liquid collecting aqua seal section 2 is provided with water seal overflow pipe 203.The effect of liquid collecting aqua seal section 2 be collect with flue gas heat exchange after hot water and flue gas in the condensed water that condenses, it is definite that the height of liquid collecting aqua seal section 2 press the hot water flow volume of 15min left and right.
Flue gas flow equalizing section 3 is provided with rectification and guide grid 8, and the physical dimension of rectification and guide grid 8 is by exhaust gas volumn process fluid calculation software simulation calculative determination.
Contact heat-exchanging section 4 is one section of void tower.The height of contact heat-exchanging section 4 is that 10～12s determines by flue gas in the time of staying of contact heat-exchanging section 4, and in actual applications, the height of contact heat-exchanging section 4 is 3m～24m.
Spray refinement section again 5 and be provided with 2～4 helical layer nozzles 501, spiral nozzle 501 is positioned at the inside of body 801, the quantity of every helical layer nozzle 501 is 12～36, in actual applications, the quantity of every helical layer nozzle 501 is preferably 24, every helical layer nozzle 501 distributes along even circumferential, and spiral nozzle 501 adopts solid-cone spiral nozzle, and the spray height of every helical layer nozzle 501 is 3m left and right; All upward, every helical layer nozzle 501 tops are provided with refinement silk screen 502 to the spout of spiral nozzle 501, and refinement silk screen 502 is 80～100 object stainless steel refinement silk screens preferably.Flue gas flows from bottom to top, and shower water flows from the top down, and because contact heat-exchanging section 4 is one section of void tower, flue gas resistance is little, and air-introduced machine power consumption is low, and gas-liquid contact time is long, and contact area is large, and gas-liquid heat exchange is abundant.
Circle diameter and quantity that spiral nozzle 501 distributes along even circumferential are pressed hydrodynamics software simulation calculative determination; Spiral nozzle 501 is upward along flue gas flow direction spray, shower water touches the rear refinement of refinement silk screen 502, finally under self gravitation effect, flow from the top down, increased and the flue gas transmission of heat by contact mass transfer time, pressure in spiral nozzle 501 can adopt lower pressure, as: 0.2～0.3MPa, to reduce the power consumption of spray pump; The aperture of spiral nozzle 501 adopts major diameter, and diameter is 6～12mm, and spiral nozzle 501 is difficult for stopping up; The order number of refinement silk screen 502 is 80～100 orders.
Gas-liquid separation section 6 is provided with gas-liquid separator 601 and flooding nozzle 602, flooding nozzle 602 be positioned at gas-liquid separator 601 above or below, gas-liquid separation section 6 is selected two-stage ripple baffle plate type inertial gas-liquid separator, gas-liquid separator 601 adopts RPPs (FRPP) to make, and can bear particularly the washing away of high-velocity flow during artificial flushing of high-velocity flow.
Tower top is provided with exhanst gas outlet 7, and exhanst gas outlet 7 is the cylindrical structure of hollow (also can be the square cylinder structure of hollow), and the height of exhanst gas outlet 7 is 5m.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment; if these modifications and modification are within the scope of the utility model claim and equivalent technologies thereof, these modifications and modification are also within protection domain of the present utility model.
The prior art that the content of not describing in detail in description is known to the skilled person.
Claims (10)
1. one kind high contains wet flue gas sensible heat recovery of latent heat device, comprise tower, described tower is hollow structure, inner wall of tower is established corrosion-proof lining, tower comprises tower body and tower top, tower body is divided into liquid collecting aqua seal section (2) from bottom to up successively, flue gas flow equalizing section (3), contact heat-exchanging section (4), spray refinement section again (5) and vapor-liquid separation section (6), the boundary of described liquid collecting aqua seal section (2) and flue gas flow equalizing section (3) is provided with gas approach (1), described tower top is provided with exhanst gas outlet (7), it is characterized in that: the end face of described gas approach (1) is square structure, gas approach (1) is inclined upwardly, horizontal by 6 °～10 ° angles, the bottom of described liquid collecting aqua seal section (2) is provided with blow-off pipe (201) and hot water conveying pipe (202), and hot water conveying pipe (202) is positioned at the top of blow-off pipe (201), and the top of liquid collecting aqua seal section (2) is provided with water seal overflow pipe (203), described flue gas flow equalizing section (3) is provided with rectification and guide grid (8), described contact heat-exchanging section (4) is one section of void tower, described spray refinement section again (5) is provided with 2～4 helical layer nozzles (501), spiral nozzle (501) is positioned at the inside of tower body, the quantity of every helical layer nozzle (501) is 12～36, every helical layer nozzle (501) distributes along even circumferential, all upward, every helical layer nozzle (501) top is provided with refinement silk screen (502) to the spout of described spiral nozzle (501), described gas-liquid separation section (6) is provided with gas-liquid separator (601) and flooding nozzle (602), flooding nozzle (602) be positioned at gas-liquid separator (601) above or below.
2. height as claimed in claim 1, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: described gas approach (1) is horizontal by 8 ° of angles.
3. height as claimed in claim 1 or 2 is containing wet flue gas sensible heat recovery of latent heat device, it is characterized in that: the outer wall of described tower body is provided with rotary climbing ladder (9), rotary climbing ladder (9) extends to the top of tower body from the bottom of tower body, the outer wall middle part of described tower body is provided with operating platform (10), and described tower top is provided with lightning protection device.
4. height as claimed in claim 1 or 2, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: described tower body and exhanst gas outlet (7) are the cylindrical structure of hollow; The internal diameter of described tower body is 2m～9m, and the ratio of the width of the internal diameter of tower body and gas approach (1) is 10: 5～6.
5. height as claimed in claim 1 or 2, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: described tower body and exhanst gas outlet (7) are the square cylinder structure of hollow.
6. height as claimed in claim 1 or 2, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: the height of described contact heat-exchanging section (4) is 3m～24m.
7. height as claimed in claim 1 or 2, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: described gas-liquid separator (601) is two-stage ripple baffle plate type inertial gas-liquid separator.
8. height as claimed in claim 1 or 2, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: described refinement silk screen (502) adopts 80～100 object stainless steel refinement silk screens.
9. height as claimed in claim 1 or 2, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: the height of described exhanst gas outlet (7) is 5m.
10. height as claimed in claim 1 or 2, containing wet flue gas sensible heat recovery of latent heat device, is characterized in that: described spiral nozzle (501) is solid cone shaped spiral nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374611.8U CN203964705U (en) | 2014-07-09 | 2014-07-09 | High containing wet flue gas sensible heat recovery of latent heat device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374611.8U CN203964705U (en) | 2014-07-09 | 2014-07-09 | High containing wet flue gas sensible heat recovery of latent heat device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203964705U true CN203964705U (en) | 2014-11-26 |
Family
ID=51925277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420374611.8U Withdrawn - After Issue CN203964705U (en) | 2014-07-09 | 2014-07-09 | High containing wet flue gas sensible heat recovery of latent heat device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203964705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061800A (en) * | 2014-07-09 | 2014-09-24 | 湖南思为能源环保工程有限公司 | High moisture flue gas sensible heat and latent heat recovery device |
-
2014
- 2014-07-09 CN CN201420374611.8U patent/CN203964705U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061800A (en) * | 2014-07-09 | 2014-09-24 | 湖南思为能源环保工程有限公司 | High moisture flue gas sensible heat and latent heat recovery device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106482141B (en) | A kind of Multifunctional smoke waste-heat recovery device | |
| CN102168888B (en) | Contact-type advanced recycling system for waste heat of low-temperature flue gas | |
| CN201589419U (en) | Gas hot-water supply device for household use | |
| CN109405579A (en) | A kind of improved high-efficiency smoke heat replacing device | |
| CN104832934B (en) | A kind of boiler smoke dedusting waste heat recovering energy conserving device | |
| CN204202245U (en) | Fume afterheat reclaims heat pump entirely | |
| CN206637646U (en) | A kind of direct contact type flue gas condensing recovery of latent heat device | |
| CN203964705U (en) | High containing wet flue gas sensible heat recovery of latent heat device | |
| CN203798191U (en) | Vapor condensation water recycling device | |
| CN106090975B (en) | Spray absorption type flue gas waste heat recovery system | |
| CN204514081U (en) | Baking furnace fume waste-heat recovery device | |
| CN104061800B (en) | A kind of high containing wet flue gas sensible heat recovery of latent heat device | |
| CN106802090A (en) | A kind of rotary kiln cement clinker production line waste heat recycling system | |
| CN106765268A (en) | A kind of residual heat from boiler fume depth retracting device | |
| CN203639490U (en) | High-temperature smoke residual heat recycling device | |
| CN203479062U (en) | Flue gas afterheat and water recycling device | |
| CN203258666U (en) | Liquid drop recovery device of hanging type chimney | |
| CN203384963U (en) | Steam return water waste heat recovery device | |
| CN201949762U (en) | Double-curve atomization high-efficiency spray tower | |
| CN206670056U (en) | A kind of efficient condensing heat exchanger | |
| CN106370028A (en) | Coking raw gas waste heat recovery method and apparatus | |
| CN104481569B (en) | Roof type mine air-lack special evaporator | |
| CN203672200U (en) | Rapid cooler for high temperature flue gas | |
| CN207487144U (en) | Spraying condensation type gas fired-boiler | |
| CN209043066U (en) | A kind of mine air-lack waste heat recycling fountain heat-exchanger rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20151021 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |