CN207856631U - A kind of absorption tower - Google Patents
A kind of absorption tower Download PDFInfo
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- CN207856631U CN207856631U CN201820074137.5U CN201820074137U CN207856631U CN 207856631 U CN207856631 U CN 207856631U CN 201820074137 U CN201820074137 U CN 201820074137U CN 207856631 U CN207856631 U CN 207856631U
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- heat exchange
- exchange box
- exchanger tube
- absorption tower
- heat exchanger
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Abstract
The utility model discloses a kind of absorption towers, it include the tower body equipped with air inlet pipe and exhaust pipe, the tower body upper end is equipped with demister, the demister is located at below exhaust pipe, the tower body side is equipped with heat exchange box, the exhaust pipe and air inlet pipe both pass through heat exchange box, are equipped with conductive fluid in the heat exchange box, the heat exchange box is externally provided with first thermal insulation layer.Exhaust gas in air inlet pipe is up to 130 DEG C ~ 150 DEG C, when exhaust gas is entered by air inlet pipe in absorption tower, is first contacted with conductive fluid, heats conductive fluid.Then pass through tower body treated exhaust gas, the bulky grain drop with dust is removed by demister, it is entered in heat exchange box by exhaust pipe, exhaust gas in exhaust pipe is heated to 100 DEG C or more by conductive fluid, to make drop become gas, keep the steam of discharge not visible, improve sense organ degree, reduces its influence to ambient enviroment.
Description
Technical field
The utility model is related to emission-control equipments, and in particular to a kind of absorption tower.
Background technology
Absorption tower is the equipment for realizing absorption operation.It is divided into three classes by the gas-liquid form that is in contact, the first kind is gas with gas
Steep plate column, bubble absorbing tower, the stirring bubble absorbing tower of form dispersion in the liquid phase；Second class is that liquid is disperseed with droplet-like
Injector, Venturi tube, spray tower in the gas phase；Third class is that liquid moves the packing material absorbing contacted with gas phase with membranaceous
Tower and film-falling absorption tower.
It is generally provided with demister on the top on current absorption tower, for removing the water mist in flue gas and the liquid of entrainment
Drop.Due to the particularity on such absorption tower, when system designs, demister outlet has been negative pressure, and section and top chimney are bored in absorption tower
Straight section zone negative pressure bigger, the flue gas flow field of demister can be extremely uneven at this time, and below Diameter of chimney, flue gas is due to negative pressure
Influence can form " short circuit " phenomenon, at this point, the flow velocity of surrounding can decline on the outside of demister, in demister central chimney diameter range
Flue gas flow rate can be very high, at this moment can take a large amount of drop out of.
In addition the normal value of flue gas flow rate in 13~15m/s is best in chimney, and flue gas flow rate is when at full capacity now
Up to 19m/s, under high flue gas flow rate, the drop that demister is taken out of is brought in outside naturally, is commonly called as " gypsum rain ".And due to
The presence of " gypsum rain " phenomenon has easily caused undesirable influence to the production of surrounding, living environment.Therefore occur on the market now
Some new absorption towers.
Such as the patent that notification number is CN203030167U, which disclose a kind of absorptions equipped with hybrid demister
Tower, includes the absorption tower tower body being arranged perpendicular to ground, and the absorption tower tower body respectively includes spraying layer, absorption tower from the bottom up
Section is bored on straight section and absorption tower, and chimney is equipped with above the tower body of absorption tower；It is equipped with into cigarette on the lower section of spraying layer, absorption tower tower body
Mouthful；Multi-layer sprinkling pipe is equipped in the spraying layer；Ridge-roof type demister layer, ridge-roof type demister are equipped in the absorption tower straight section
Layer includes multiple by ridge-roof type demister made of steel structure connection, and the multiple ridge-roof type demister is divided into arrangement up and down
Two layers；It is equipped with one layer of mixed type demister layer in the absorption tower cone section, mixed type demister layer arrangement is in ridge-roof type demisting
The top of device layer is interconnected together by multiple ridge-roof type demisters and multiple Flat defrosters, plurality of flat to remove
Day with fog is respectively positioned on the surrounding of mixed type demister layer.
Since Flat defroster is arranged in the surrounding of cone section in absorption tower, ridge-roof type demister is arranged in inside, and flat
The resistance of demister is smaller than the resistance of ridge type demister, and the flue gas flow field distribution that demister exports can be made to change in this way
It is kind, to improve defogging effect；Simultaneously because there is this layer of demister, the defogging effect of lower two layers demister can be carried obviously
Height, this improves chimney " gypsum rain " phenomenons.
But in actual use, even if most of drop for carrying dust is eliminated, due to the fog temperature of absorption tower discharge
Generally 50 degrees Celsius of degree, therefore even if fog is pure water, still can have a large amount of drops in fog, cause fog still as it can be seen that
Make us the sense organ for having uncomfortable, influences ambient enviroment.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of absorption tower, emission treatment is complete
Exhaust gas when without visible, improve sense organ degree, reduce its influence to ambient enviroment.
To achieve the above object, the utility model provides following technical solution：
A kind of absorption tower includes the tower body equipped with air inlet pipe and exhaust pipe, and the tower body upper end is equipped with demister, described
Demister is located at below exhaust pipe, and the tower body side is equipped with heat exchange box, and the exhaust pipe and air inlet pipe both pass through heat exchange box, institute
It states and is equipped with conductive fluid in heat exchange box, the heat exchange box is externally provided with first thermal insulation layer.
By using above-mentioned technical proposal, the exhaust gas in air inlet pipe is up to 130 DEG C ~ 150 DEG C, and exhaust gas is entered by air inlet pipe
It when in absorption tower, is first contacted with conductive fluid, heats conductive fluid.Then pass through tower body treated exhaust gas, removed by demister
Bulky grain drop with dust, is entered by exhaust pipe in heat exchange box, and the exhaust gas in exhaust pipe is heated to 100 by conductive fluid
DEG C or more, to make drop become gas, keep the steam of discharge not visible, improve sense organ degree, reduces it to ambient enviroment
Influence.
The utility model is further arranged to：The air inlet pipe is from heat exchange box upper end through heat exchange box lower end, the row
Tracheae is to which heat exchanger tube lower end is through heat exchange box upper end.
By using above-mentioned technical proposal, hot gas easily ramps up, and cold air is easily to decline.Air inlet pipe from heat exchange box upper end through
Heat exchange box lower end can preferably be moved downward by the gas that conductive fluid cools down, and into tower body, hotter exhaust gas is still stayed in and changed
In hot tank, conductive fluid is heated, to make full use of the heat of exhaust gas.Similarly, exhaust pipe is to which heat exchanger tube lower end is through heat exchange box
Upper end, being heated exhaust gas can preferably move upwards, and be discharged outside exhaust pipe, and the exhaust gas not heated is still deposited in and changes
In hot tank, exchange heat with conductive fluid.
The utility model is further arranged to：The air inlet pipe includes the first heat exchanger tube, and the exhaust pipe includes second
Heat exchanger tube, first heat exchanger tube and the second heat exchanger tube are respectively positioned in heat exchange box and are helically arranged.
Heat exchanger effectiveness is improved to increase the heat exchange area of exhaust gas and conductive fluid by using above-mentioned technical proposal,
Make full use of the thermal energy of exhaust gas.Exhaust gas not visibleization for also making processing complete as far as possible simultaneously.
The utility model is further arranged to：The heat exchange box side is equipped with the storage bin for storing conductive fluid, institute
It states and is connected with the first connecting tube and the second connecting tube between heat exchange box and storage bin, first connecting tube is equipped with for that will store up
The drawing liquid pump that liquid in case pumps to heat exchange box is deposited, first connecting tube is equipped with heater.
By using above-mentioned technical proposal, if ambient air temperature is too low or former exhaust gas temperature is too low, cause to be discharged from exhaust pipe
Gas it is still visual.Drawing liquid pump and heater can be started at this time, conductive fluid is heated by heater, it is ensured that treated exhaust gas
It can be heated to sufficient temp, so that drop therein is become gas, realize not visibleization of exhaust.
The utility model is further arranged to：The storage bin is coated with second thermal insulation layer.
By using above-mentioned technical proposal, the heat being dispersed into reducing conductive fluid by storage bin in air to the greatest extent may be used
Energy is used for heat to heat the drop in exhaust gas, makes exhaust not visibleization.
The utility model is further arranged to：First heat exchanger tube is equipped with several and is respectively positioned on heat exchange box parallel
Interior, first heat exchanger tube both ends are pierced by heat exchange box, and every first heat exchanger tube is different with the contact area of conductive fluid, every
It is equipped with opening/shutting valve on first heat exchanger tube.
By using above-mentioned technical proposal, the first heat exchanger tube is longer, then the heat exchange of the exhaust gas in air inlet pipe and conductive fluid when
Between it is longer, then the temperature that conductive fluid absorbs is higher, but the efficiency of air inlet pipe air inlet is slower.Ensuring that conductive fluid there are enough heats to make
Under the premise of being vented not visibleization, reduce the first shorter heat exchanger tube used as far as possible, improves exhaust treatment efficiency.
The utility model is further arranged to：The exhaust end of the exhaust pipe is equipped with the temperature for detecting delivery temperature
Meter.
By using above-mentioned technical proposal, the exhaust end temperature so as to preferably monitor exhaust pipe can if temperature is too low
Start heater in time, realizes not visibleization of exhaust.
The utility model is further arranged to：The heat exchange box side is arranged in opening, the open end of the heat exchange box
Rotation connection is useful for the closing door of closing heat exchange box opening, and the closing door is made of heat-barrier material, the closing door and changes
The fixed mechanism for being fixedly connected with closing door and heat exchange box is equipped between hot tank, the heat exchange box upper and lower ends are respectively equipped with inlet
And leakage fluid dram, sealing cover is equipped on the inlet and leakage fluid dram.
By using above-mentioned technical proposal, in use for some time, the first heat exchanger tube and the second heat exchange pipe outer wall have
Fouling influences to conduct heat, therefore need to clear up it.Can conductive fluid be directly discharged by leakage fluid dram when cleaning, then open closing
Door, clears up the first heat exchanger tube and the second heat exchanger tube.After cleaning out, closing door is closed, again by inlet
The filling heat-conductive liquid into heat exchange box.To keep heat exchange box internal cleaning more convenient.
The utility model is further arranged to：The fixed mechanism includes the mounting plate for being fixedly connected on closing door, edge
The circumferentially fixed connecting plate for being set to heat exchange box open end outer wall of heat exchange box, the fixing bolt for being threadedly connected to mounting plate, it is described
Fixing bolt is threadedly connected to connecting plate, and when tightening the fixing bolt, the closing door pushes against heat exchange box.
By using above-mentioned technical proposal, when screwing fixing bolt, fixing bolt can push closing door to heat exchange box, from
And both make it is closer fit together, improve leakproofness.
The utility model is further arranged to：The closing door is equipped with sealing strip towards heat exchange box side, when the envelope
When closing door termination heat exchange box open end, the sealing strip pushes against heat exchange box.
By using above-mentioned technical proposal, the leakproofness between closing door and heat exchange box can be improved in sealing strip, reduces exhaust gas
The possibility of leakage.
The utility model has the following advantages：
1, when the complete exhaust gas of emission treatment sense organ degree is improved without visible；2, it can easily exchange inside hot tank and carry out
Cleaning and maintenance.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the partial sectional view of heat exchange box in embodiment.
Reference numeral：1, tower body；2, air inlet pipe；3, exhaust pipe；4, demister；5, heat exchange box；6, conductive fluid；7, feed liquor
Mouthful；8, leakage fluid dram；9, sealing cover；10, first thermal insulation layer；11, the first heat exchanger tube；12, opening/shutting valve；13, the second heat exchanger tube；
14, thermometer；15, storage bin；16, the first connecting tube；17, the second connecting tube；18, drawing liquid pump；19, heater；20, second every
Thermosphere；21, closing door；22, sealing strip；23, mounting plate；24, connecting plate；25, fixing bolt；26, fixed mechanism.
Specific implementation mode
The utility model is described further with reference to attached drawing.
As shown in Figure 1, a kind of absorption tower, including tower body 1, be connected to 1 lower end of tower body air inlet pipe 2, be connected on tower body 1
The exhaust pipe 3 at end, demister 4 and heat exchange box 5 for demisting, demister 4 are installed on 1 upper end of tower body and under exhaust pipes 3
Side.Air inlet pipe 2 and exhaust pipe 3 both pass through heat exchange box 5.
Exhaust gas removes big after the exhaust-gas treatment in tower body 1 from air inlet pipe 2 into tower body 1 by demister 4
Then grain drop enters heating in heat exchange box 5 by exhaust pipe 3, makes to become gas from the water droplet in the exhaust gas that exhaust pipe 3 is discharged
Body makes exhaust gas not visibleization of discharge.
As shown in Figure 1, being equipped with conductive fluid 6 in heat exchange box 5,5 upper and lower ends of heat exchange box are respectively equipped with inlet 7 and leakage fluid dram
8, sealing cover 9 is equipped on inlet 7 and leakage fluid dram 8.Two sealing covers 9 are threadedly connected to inlet 7 and leakage fluid dram 8 respectively.
Conductive fluid 6 can be imported in heat exchange box 5 by inlet 7 and leakage fluid dram 8 or be exported out of heat exchange box 5.Heat exchange box 5 is externally provided with
One thermal insulation layer 10.
As shown in Figure 1, air inlet pipe 2 includes the first heat exchanger tube 11, the first heat exchanger tube 11 is equipped with several and is respectively positioned on parallel
In heat exchange box 5.From 5 upper end of heat exchange box through 5 lower end of heat exchange box, the first heat exchanger tube 11 is helically arranged first heat exchanger tube 11.It is useless
Gas can flow through heat exchange box 5 during entering tower body 1 from air inlet pipe 2, exchange heat with the conductive fluid 6 in heat exchange box 5, make heat conduction
Liquid 6 is heated.And then make conductive fluid 6 that can heat the exhaust gas being discharged from exhaust pipe 3.
As shown in Figure 1, in order to ensure conductive fluid 6 can be heated to required temperature by the exhaust gas in air inlet pipe 2, and add as far as possible
Fast intake velocity.Every first heat exchanger tube 11 is different with the contact area of conductive fluid 6, is equipped with and opens on every first heat exchanger tube 11
Valve closing door 12.First heat exchanger tube 11 and the contact area of conductive fluid 6 are bigger, and the temperature that conductive fluid 6 can be heated to is higher, air inlet
Speed is slower, can select first heat exchanger tube 11 according to specific operating mode, open opening/shutting valve 12 above.
As shown in Figure 1, exhaust pipe 3 includes the second heat exchanger tube 13, the second heat exchanger tube 13 is located in heat exchange box 5.Second heat exchange
To which heat exchanger tube lower end is through 5 upper end of heat exchange box, the second heat exchanger tube 13 is helically arranged pipe 13.The exhaust end of exhaust pipe 3 is equipped with
Thermometer 14 for detecting delivery temperature.
As shown in Figure 1, in order to ensure the water droplet in exhaust gas in exhaust pipe 3 can be heated to evaporate by conductive fluid 6, heat exchange box 5
Side is equipped with storage bin 15 for storing conductive fluid 6, and the first connecting tube 16 and the are connected between heat exchange box 5 and storage bin 15
Two connecting tubes 17.First connecting tube 16 is equipped with drawing liquid pump 18 and heater 19, and drawing liquid pump 18 is used for liquid in storage bin 15
Pump to heat exchange box 5.Storage bin 15 is coated with second thermal insulation layer 20.When 6 temperature of conductive fluid is inadequate, can be incited somebody to action by heater 19
Conductive fluid 6 heats.
As shown in Fig. 2, 5 side of heat exchange box is arranged in opening, the open end of heat exchange box 5 is rotatably connected to closing door 21, seals
It closes door 21 and is open for closing heat exchange box 5, closing door 21 is made of heat-barrier material.Closing door 21 is equipped with towards 5 side of heat exchange box
Sealing strip 22.Fixed mechanism 26 is equipped between closing door 21 and heat exchange box 5, fixed mechanism 26 includes being fixedly connected on closing door 21
Mounting plate 23, along the circumferentially fixed connecting plate 24 for being set to 5 open end outer wall of heat exchange box of heat exchange box 5, be threadedly connected to installation
The fixing bolt 25 of plate 23, fixing bolt 25 are threadedly connected to connecting plate 24.When tightening the fixing bolt 25, sealing strip 22
Push against heat exchange box 5.To make closing door 21 close 5 open end of heat exchange box.
The operation principle on the absorption tower is as follows：
1, untreated exhaust gas is entered by air inlet pipe 2 in tower body 1；In this process, untreated exhaust gas
By exchanging heat with the conductive fluid 6 in heat exchange box 5 when the first heat exchanger tube 11, conductive fluid 6 is made to be heated；
2, it is completed after exhaust gas enters in tower body 1 such as the out of stock processing of desulfurization, the big liquid in removing exhaust gas by demister 4
After drop processing, enter in exhaust pipe 3；
3, exhaust gas exchanges heat with the conductive fluid 6 in heat exchange box 5 when by the second heat exchanger tube 13, makes exhaust gas by 6 quilt of conductive fluid
It heats, the drop in exhaust gas evaporates after being heated, and then makes exhaust gas not visibleization of discharge；
If 14 displays temperature of thermometer of 3 exhaust end of exhaust pipe is relatively low, the exhaust gas discharged at this time can be still seen；Then may be used
Selection and 6 the first heat exchanger tube of contact area bigger 11 of conductive fluid, and then improve 6 temperature of conductive fluid；
If having changed maximum first heat exchanger tube 11 of 6 contact area of conductive fluid, the exhaust gas of discharge can be still seen, then opened
Dynamic drawing liquid pump 18 and heater 19, make conductive fluid 6 pass through the first connecting tube 16 under the drive of drawing liquid pump 18, are added by heater 19
Heat, it is ensured that conductive fluid 6 has sufficient temp to heat the exhaust gas in the second heat exchanger tube 13；
4, in use for some time, heat exchange box 5 need to be cleared up；The sealing cover 9 on leakage fluid dram 8 is first opened, is made in heat exchange box 5
Conductive fluid 6 emptied, fixing bolt 25 is backed out from connecting plate 24 then, turns on mounting plate 23, then opens closing door 21
It can exchange inside hot tank 5, the first heat exchanger tube 11 and the second heat exchanger tube 13 are cleared up；
5, after cleaning out, closing door 21 can be closed, then fixing bolt 25 is tightened on connecting plate 24, makes sealing
Item 22 pushes against heat exchange box 5, and then heat exchange box 5 is made to close；
6, leakage fluid dram 8 is sealed by sealing cover 9, then opens inlet 7, is led into heat exchange box 5 by inlet 7
Hydrothermal solution 6 until being full of conductive fluid 6 in heat exchange box 5, then seals inlet 7 by sealing cover 9.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of absorption tower, including it is equipped with the tower body (1) of air inlet pipe (2) and exhaust pipe (3), tower body (1) upper end is equipped with
Demister (4), the demister (4) are located at below exhaust pipe (3), it is characterized in that：Tower body (1) side is equipped with heat exchange box
(5), the exhaust pipe (3) and air inlet pipe (2) both pass through heat exchange box (5), and conductive fluid (6) is equipped in the heat exchange box (5), described
Heat exchange box (5) is externally provided with first thermal insulation layer (10).
2. a kind of absorption tower according to claim 1, it is characterized in that：The air inlet pipe (2) from heat exchange box (5) upper end through
Heat exchange box (5) lower end, the exhaust pipe (3) is to which heat exchanger tube lower end is through heat exchange box (5) upper end.
3. a kind of absorption tower according to claim 2, it is characterized in that：The air inlet pipe (2) includes the first heat exchanger tube (11),
The exhaust pipe (3) includes the second heat exchanger tube (13), and first heat exchanger tube (11) and the second heat exchanger tube (13) are respectively positioned on heat exchange
It is arranged in case (5) and helically.
4. a kind of absorption tower according to claim 3, it is characterized in that：Heat exchange box (5) side is equipped with leads for storing
The storage bin (15) of hydrothermal solution (6) is connected with the first connecting tube (16) and second and connects between the heat exchange box (5) and storage bin (15)
It takes over (17), first connecting tube (16) is equipped with the drawing liquid pump for storage bin (15) interior liquid to be pumped to heat exchange box (5)
(18), first connecting tube (16) is equipped with heater (19).
5. a kind of absorption tower according to claim 4, it is characterized in that：The storage bin (15) is coated with second thermal insulation layer
(20)。
6. a kind of absorption tower according to claim 5, it is characterized in that：First heat exchanger tube (11) is equipped with several parallel
And be respectively positioned in heat exchange box (5), the first heat exchanger tube (11) both ends are pierced by heat exchange box (5), every first heat exchanger tube
(11) different with the contact area of conductive fluid (6), it is equipped with opening/shutting valve (12) on every first heat exchanger tube (11).
7. a kind of absorption tower according to claim 6, it is characterized in that：The exhaust end of the exhaust pipe (3) is equipped with for examining
Survey the thermometer (14) of delivery temperature.
8. a kind of absorption tower according to claim 7, it is characterized in that：Heat exchange box (5) side is arranged in opening, described
Heat exchange box (5) open end rotation connection is useful for closing heat exchange box (5) be open closing door (21), the closing door (21) by
Heat-barrier material is made, and is equipped between the closing door (21) and heat exchange box (5) and is fixedly connected with closing door (21) and heat exchange box (5)
Fixed mechanism (26), heat exchange box (5) upper and lower ends are respectively equipped with inlet (7) and leakage fluid dram (8), the inlet (7)
With sealing cover (9) is equipped on leakage fluid dram (8).
9. a kind of absorption tower according to claim 8, it is characterized in that：The fixed mechanism includes being fixedly connected on closing door
(21) mounting plate (23), along circumferentially fixed connecting plate (24), the spiral shell for being set to heat exchange box (5) open end outer wall of heat exchange box (5)
Line is connected to the fixing bolt (25) of mounting plate (23), and the fixing bolt (25) is threadedly connected to connecting plate (24), when tightening
When fixing bolt (25), the closing door (21) pushes against heat exchange box (5).
10. a kind of absorption tower according to claim 9, it is characterized in that：The closing door (21) is towards heat exchange box (5) side
Equipped with sealing strip (22), when the closing door (21) closes heat exchange box (5) open end, the sealing strip (22) pushes against heat exchange box
(5)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074137.5U CN207856631U (en) | 2018-01-16 | 2018-01-16 | A kind of absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074137.5U CN207856631U (en) | 2018-01-16 | 2018-01-16 | A kind of absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207856631U true CN207856631U (en) | 2018-09-14 |
Family
ID=63461955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820074137.5U Active CN207856631U (en) | 2018-01-16 | 2018-01-16 | A kind of absorption tower |
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| Country | Link |
|---|---|
| CN (1) | CN207856631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755990A (en) * | 2019-11-29 | 2020-02-07 | 福泉市泾评环保炉业有限公司 | Flue gas purification device for energy-saving furnace |
-
2018
- 2018-01-16 CN CN201820074137.5U patent/CN207856631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755990A (en) * | 2019-11-29 | 2020-02-07 | 福泉市泾评环保炉业有限公司 | Flue gas purification device for energy-saving furnace |
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