CN207674476U - A kind of white absorption tower that disappears of heating agent cycle - Google Patents
A kind of white absorption tower that disappears of heating agent cycle Download PDFInfo
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- CN207674476U CN207674476U CN201721688488.7U CN201721688488U CN207674476U CN 207674476 U CN207674476 U CN 207674476U CN 201721688488 U CN201721688488 U CN 201721688488U CN 207674476 U CN207674476 U CN 207674476U
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- flue gas
- absorption tower
- heating agent
- tower
- heat
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Abstract
A kind of white absorption tower that disappears of heating agent cycle, including tower body, are set to the smoke inlet of tower body lower part, are set to the spray system on tower body top, gas cooler, flue gas condenser, flue gas heater, heating medium pipeline, chimney；Flue gas enters absorption tower by the smoke inlet of tower body lower part, passes sequentially through spray system, gas cooler, flue gas condenser, and flue gas heater is most discharged into air through chimney afterwards, and flue gas is in emission without white plume；The utility model is simple in structure, and floor space is small, and implementation cost is low.
Description
Technical field
The white absorption that disappears for the white technical field more particularly to a kind of heating agent cycle of disappearing the utility model is related to flue gas or tail gas
Tower.
Background technology
It is promulgated with national environmental protection portion《Fossil-fuel power plant atmospheric pollutant emission standard》(GB13226-2011) reality
It applies, it is desirable that coal-burning boiler dust emission standard reaches 30mg/Nm3, SO2Content distinguishes control by newly-built and existing power plant and exists
100mg/m3、200mg/m3, key area flue dust and SO from now on2Discharge capacity is controlled in 20mg/m3、50mg/m3。
Coal-burning boiler generates a large amount of dust, sulfur dioxide, sulfur trioxide and nitrogen in process of production using coal as the energy
Oxide, universal absorption tower carry out desulfurization process to flue gas.However, using the flue gas after Gypsum Wet technology desulfurization
In steam be substantially at saturated mode, water capacity is big, and in discharge process, flue gas is dropped mixing in diffusion process temperature with air
Low, the elutriation in flue gas goes out, and forms white haze on chimney periphery, is commonly called as " plume ".
For industries such as petrochemical industry, biochemistry, sulfur-bearing in tail gas or flue gas contains VOC, and generally use absorption tower is to tail gas or flue gas
Water capacity is big in processing, treated tail gas or flue gas, and white plume is also will produce in discharge process.
To eliminate white cigarette, the prior art is mainly flue gas (tail gas) temperature rise heat exchanger, by promoting flue gas (tail gas) temperature
Solve the problems, such as " plume " that condensation of moisture in flue gas generates, but effect is all not so good, is primarily due to：
(1) existing flue gas temperature rise heat exchanger is mostly fin-tube heat exchanger, and heat transfer efficiency is low, compactness is small, floor space
Greatly；
(2) contain a certain amount of particulate matter in the flue gas after desulfurization, be easy to block heat exchanger；
Utility model content
It eliminates white " plume ", core is to improve the degree of superheat of vapor in flue gas, and then eliminate white plume.
It analyzes for these reasons, the utility model is started with from following several respects：
1) flue gas condenser reduces the water capacity in flue gas；
2) it utilizes flue gas heater to promote the flue-gas temperature after desulfurization, improves the vapor degree of superheat in flue gas, realize flue gas
Discharge is without white plume；
3) the problems such as heat transfer efficiency and compactness of raising heating device, solution space and weight；
4) on the basis of solving above-mentioned 2 point, the heat exchanger plugging performance of resistance to flue gas is improved.
To sum up, the utility model has following innovative：
1) absorption tower is combined into one with chimney, reduces space and improvement cost；
2) gas cooler, flue gas condenser and flue gas heater three-level heat exchanger are set, flue gas is first cooled down and then removed
It is wet, it finally heats up, white plume is eliminated using the heat of flue gas itself；
3) gas cooler, flue gas condenser and flue gas heater use the flue gas heater structure of straight passage structures, cigarette
Gas side runner height is more than wave height, forms contactless flue gas straight passage structures, is ensureing heat transfer temperature difference and heat transfer efficiency
Meanwhile solving tubular type and conventional heat-exchangers of the plate type flue gas blockage problem.
The utility model is to be achieved by the following technical programs：
A kind of white absorption tower that disappears of heating agent cycle, including absorption tower tower body, the chimney above the tower body of absorption tower, under
The supreme gas cooler being sequentially connected between chimney and absorption tower tower body, flue gas condenser, flue gas heater are set to and absorb
Tower internals in tower, wherein
Hot side runner one end of the gas cooler is connected to the exhanst gas outlet of absorption tower tower body, the heat of gas cooler
The side runner other end is connected to one end of the hot side runner of flue gas condenser, the other end and cigarette of the hot side runner of flue gas condenser
Cold side runner one end of hot-air heater is connected to, and the other end of cold side runner of flue gas heater is connected to the smoke inlet of chimney；
Pass through cooling medium in the cold side runner of gas cooler；
The hot side runner both ends of flue gas heater are connected to the cold side runner both ends of gas cooler by heating medium pipeline；
Flue gas enters absorption tower by the smoke inlet on absorption tower, and flue gas is sequentially entered after being sprayed by slurries spray pipeline
Cooler, flue gas condenser, flue gas heater, finally by smoke stack emission.
The gas cooler is heat-exchangers of the plate type, and the heat transfer element of the gas cooler is made of corrugated cardboard sheet,
The folded completion of multiple corrugated cardboard sheets is plate beam and forms flue gas flow channel and thermal medium runner, wherein the flue gas flow channel both sides
The sum of ripple height of projection is less than exhaust gases passes height.
The flue gas heater is heat-exchangers of the plate type, and the heat transfer element of the flue gas heater is made of corrugated cardboard sheet,
The folded completion of multiple corrugated cardboard sheets is plate beam and forms flue gas flow channel and thermal medium runner, wherein the flue gas flow channel both sides
The sum of ripple height of projection is less than exhaust gases passes height.
The flue gas condenser is heat-exchangers of the plate type, and the heat transfer element of the flue gas condenser is made of corrugated cardboard sheet,
The folded completion of multiple corrugated cardboard sheets is plate beam and forms flue gas flow channel and cooling medium stream road, wherein the flue gas flow channel both sides
The sum of ripple height of projection is less than exhaust gases passes height.
Heat medium circulation pump is provided in the heating medium pipeline, the entrance of heat medium circulation pump and the heating agent of flue gas heater export
It is connected, the outlet of heat medium circulation pump is connected with the heating agent entrance of gas cooler.
It is provided in the heating medium pipeline for the heater and/or heating agent heat collector to heating agent concurrent heating.
The utility model has the beneficial effects that：
1) absorption tower is combined into one with chimney, saves space and implementation cost；
2) it is flue gas cool-down to utilize gas cooler and flue gas condenser, while realizing that Water vapor condensation is precipitated in flue gas,
Achieve the purpose that dehumidifying.
3) using heating agent by the flue gas after the heat transfer to dehumidification by condensation discharged in flue gas cooling procedure, realization removes
The needs of flue gas heating, the raising degree of superheat after wet, achieve the purpose that eliminate white plume.
4) under same operating condition, using the gas cooler, flue gas heater and flue gas condenser of straight passage structures, no
Higher heat transfer efficiency, reduction heat exchanger heat transfer area can be only obtained, and reduces size of heat exchanger and floor space, simultaneously
Solve the unavoidable flue gas blockage problem of conventional heat exchanger.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the gas cooler cross section of fluid channel schematic diagram of the utility model.
Fig. 3 is the flue gas condenser cross section of fluid channel schematic diagram of the utility model.
Fig. 4 is the flue gas heater cross section of fluid channel schematic diagram of the utility model.
In figure：1. absorption tower tower body, 2. smoke inlets, 3 tower internals, 4. gas coolers, 401. gas cooler ripples
Plate, 5. flue gas condensers, 501. gas cooler corrugated cardboard sheets, 6. flue gas heaters, 601. flue gas heater corrugated cardboard sheets,
7. chimney, 8. heat medium circulation pumps.
A. former cigarette, the net cigarettes of B., C. heating agents, D. cooling media, H1. flue gas flow channel height, H2. flue gas flow channels side ripple are convex
Play height, H3. flue gas flow channels other side ripple height of projection, M1. flue gas flow channel height, M2. flue gas flow channels side ripple protrusion
Highly, M3. flue gas flow channels other side ripple height of projection, N1. flue gas flow channel height, N2. flue gas flow channels side ripple protrusion are high
Degree, N3. flue gas flow channels other side ripple height of projection.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings
The utility model is described in further detail with most preferred embodiment.
As shown in Figure 1, the utility model includes absorption tower tower body 1, the chimney 7 above the tower body of absorption tower, by down toward
On be sequentially connected to gas cooler 4, flue gas condenser 5, flue gas heater 6 between chimney and absorption tower tower body, be set to and inhale
Receive the tower internals in tower tower body, wherein
Hot side runner one end of the gas cooler is connected to the exhanst gas outlet of absorption tower tower body, the heat of gas cooler
The side runner other end is connected to one end of the hot side runner of flue gas condenser, the other end and cigarette of the hot side runner of flue gas condenser
Cold side runner one end of hot-air heater is connected to, and the other end of cold side runner of flue gas heater is connected to the smoke inlet of chimney；
Pass through cooling medium D in the cold side runner of gas cooler；
The hot side runner both ends of flue gas heater are connected to the cold side runner both ends of gas cooler by heating medium pipeline, heat
The heating agent C of circular flow is connected in matchmaker's pipeline；
Flue gas enters absorption tower by the smoke inlet on absorption tower, and flue gas is sequentially entered after being sprayed by slurries spray pipeline
Cooler, flue gas condenser, flue gas heater, finally by smoke stack emission.
Former cigarette A enters absorption tower by smoke inlet, and absorbing liquid is under the action of tower internals along tower body cross-sectional uniformity point
Cloth reacts with flue gas, after the processes such as desulfurization, cooling, dehumidifying become net cigarette B, neat stress enter gas cooler into
After row cooling, dehumidifying, into flue gas heater, it is discharged into flue gas condenser by chimney, cigarette further after cooling, dehumidifying
Gas during heating vapor the degree of superheat improve, eliminate white cigarette phenomenon when discharge.
In practical applications, gas cooler, flue gas condenser, flue gas heater can be arranged in chimney and absorb
Between tower tower body；In addition, gas cooler, flue gas condenser, flue gas heater can also be arranged in desulfurizing tower tower body top
Portion or chimney lower part, as long as it, which can make the flue gas flowed into from desulfurizing tower to chimney carry out following processing, belongs to the utility model
Protection category.Specific processing procedure：Be introduced into gas cooler carry out it is cooling, dehumidify after, enter back into flue gas condenser, into
After the cooling of one step, dehumidifying, flue gas heater is finally entered, to flue gas.
Gas cooler, flue gas condenser, flue gas heater use heat-exchangers of the plate type structure, according to plate and plate it
Between type of attachment can be subdivided into again the dismountable board type heat exchanger of rubber seal, half welded type heat-exchangers of the plate type with
And full welded type heat-exchangers of the plate type.
Preferably, flue gas can be the tail gas or fire coal to be treated generated in production process, combustion gas, biomass etc.
Burn the flue gas generated, can also be the flue gas that stove generates in process of production.
Preferably, tower internals can be that spray tube or nozzle or distribution tray, filler etc. are played absorbing liquid along absorption tower
The structure of cross-sectional uniformity distribution.
As shown in Fig. 2, gas cooler by multiple gas cooler corrugated cardboard sheets 501 it is folded fall and formed flue gas flow channel with it is cold
But medium runner, the sum of ripple height of projection H2 and H3 of flue gas flow channel both sides are less than flue gas flow channel height H1, i.e. H1 ＞ H2+
H3, correspondingly, ripple can not form contact in flue gas flow channel, i.e. flue gas B flows in contactless channel, solve tubular type with
The problem of conventional plate heat exchanger field of flow stationary point, the particle in flue gas is not easy to gather, and then solves blockage problem, while by
It is corrugated cardboard sheet in heat transfer element, compared with tubular type flue gas heat-exchange unit, heat transfer efficiency is high, and warm end temperature difference is small, same low-temperature receiver condition
Under, flue gas exit temperature is lower, and effect on moisture extraction is more preferable.
As shown in figure 3, flue gas condenser by multiple flue gas condenser corrugated cardboard sheets 601 it is folded fall and formed flue gas flow channel with it is cold
But medium runner, the sum of ripple height of projection M2 and M3 of flue gas flow channel both sides are less than flue gas flow channel height M1, i.e. M1 ＞ M2+
M3, correspondingly, ripple can not form contact in flue gas flow channel, i.e. flue gas B flows in contactless channel, solve tubular type with
The problem of conventional plate heat exchanger field of flow stationary point, the particle in flue gas is not easy to gather, and then solves blockage problem, while by
It is corrugated cardboard sheet in heat transfer element, compared with tubular type flue gas heat-exchange unit, heat transfer efficiency is high, and warm end temperature difference is small, same low-temperature receiver condition
Under, flue gas exit temperature is lower, and dehumidification by condensation effect is more preferable.
As shown in figure 4, flue gas heater is folded by multiple flue gas heater corrugated cardboard sheets 601 and falls and formed flue gas flow channel and add
Heat medium flow channel, the sum of ripple height of projection N2 and N3 of flue gas flow channel both sides are less than flue gas flow channel height N1, i.e. N1 ＞ N2+
N3, correspondingly, ripple can not form contact in flue gas flow channel, i.e. flue gas B flows in contactless channel, solve tubular type with
The problem of conventional plate heat exchanger field of flow stationary point, the particle in flue gas is not easy to gather, and then solves blockage problem, while by
It is corrugated cardboard sheet in heat transfer element, compared with tubular type flue gas heat-exchange unit, heat transfer efficiency is high, and warm end temperature difference is small, same heat source condition
Under, flue gas exit temperature higher, Wen Shengyu degree of superheat increases are more notable.
Preferably, heat medium circulation pump 8, the entrance of heat medium circulation pump and the heating agent of flue gas heater are provided in heating medium pipeline
Outlet is connected, and the outlet of heat medium circulation pump is connected with the heating agent entrance of gas cooler.
It is provided in heating medium pipeline for the heater and/or heating agent heat collector to heating agent concurrent heating.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of white absorption tower that disappears of heating agent cycle, which is characterized in that including absorption tower tower body, above the tower body of absorption tower
Chimney, gas cooler, flue gas condenser, the flue gas being sequentially connected to from the bottom to top between chimney and absorption tower tower body
Device, the tower internals being set in absorbing tower body, wherein
Hot side runner one end of the gas cooler is connected to the exhanst gas outlet of absorption tower tower body, the hot side stream of gas cooler
The road other end is connected to one end of the hot side runner of flue gas condenser, and the other end of the hot side runner of flue gas condenser adds with flue gas
Cold side runner one end of hot device is connected to, and the other end of cold side runner of flue gas heater is connected to the smoke inlet of chimney；
Pass through cooling medium in the cold side runner of gas cooler；
The hot side runner both ends of flue gas heater are connected to the cold side runner both ends of gas cooler by heating medium pipeline；
Flue gas enters absorption tower by the smoke inlet on absorption tower, cold by sequentially entering gas cooler, flue gas after tower internals
Condenser, flue gas heater, finally by smoke stack emission.
2. a kind of white absorption tower that disappears of heating agent cycle according to claim 1, which is characterized in that the gas cooler is
The heat transfer element of heat-exchangers of the plate type, the gas cooler is made of corrugated cardboard sheet, and the folded completion of multiple corrugated cardboard sheets is plate beam
And form flue gas flow channel and thermal medium runner, wherein the sum of ripple height of projection of the flue gas flow channel both sides is less than flue gas
Channel height.
3. a kind of white absorption tower that disappears of heating agent cycle according to claim 1 or 2, which is characterized in that the flue gas
Device is heat-exchangers of the plate type, and the heat transfer element of the flue gas heater is made of corrugated cardboard sheet, and the folded completion of multiple corrugated cardboard sheets is
Plate beam simultaneously forms flue gas flow channel and thermal medium runner, wherein the sum of the ripple height of projection of the flue gas flow channel both sides is less than
Exhaust gases passes height.
4. a kind of white absorption tower that disappears of heating agent cycle according to claim 3, which is characterized in that the flue gas condenser is
The heat transfer element of heat-exchangers of the plate type, the flue gas condenser is made of corrugated cardboard sheet, and the folded completion of multiple corrugated cardboard sheets is plate beam
And form flue gas flow channel and cooling medium stream road, wherein the sum of ripple height of projection of the flue gas flow channel both sides is less than flue gas
Channel height.
5. a kind of white absorption tower that disappears of heating agent cycle according to claim 4, which is characterized in that set in the heating medium pipeline
Be equipped with heat medium circulation pump, the entrance of heat medium circulation pump is connected with the outlet of the heating agent of flue gas heater, the outlet of heat medium circulation pump and
The heating agent entrance of gas cooler is connected.
6. a kind of white absorption tower that disappears of heating agent cycle according to claim 5, which is characterized in that set in the heating medium pipeline
It is equipped with for the heater and/or heating agent heat collector to heating agent concurrent heating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688488.7U CN207674476U (en) | 2017-12-07 | 2017-12-07 | A kind of white absorption tower that disappears of heating agent cycle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688488.7U CN207674476U (en) | 2017-12-07 | 2017-12-07 | A kind of white absorption tower that disappears of heating agent cycle |
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| CN207674476U true CN207674476U (en) | 2018-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940492A (en) * | 2017-12-07 | 2018-04-20 | 天津华赛尔传热设备有限公司 | A kind of white absorption tower that disappears of heating agent circulation |
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2017
- 2017-12-07 CN CN201721688488.7U patent/CN207674476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940492A (en) * | 2017-12-07 | 2018-04-20 | 天津华赛尔传热设备有限公司 | A kind of white absorption tower that disappears of heating agent circulation |
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