CN106943803A - A kind of recovery method of fume-dehydrating steam device and its waste heat - Google Patents
A kind of recovery method of fume-dehydrating steam device and its waste heat Download PDFInfo
- Publication number
- CN106943803A CN106943803A CN201710291085.7A CN201710291085A CN106943803A CN 106943803 A CN106943803 A CN 106943803A CN 201710291085 A CN201710291085 A CN 201710291085A CN 106943803 A CN106943803 A CN 106943803A
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- China
- Prior art keywords
- flue
- flue gas
- heat
- fume
- dehydrating
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/06—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by reversal of direction of flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of fume-dehydrating steam device and its recovery method of waste heat.A kind of fume-dehydrating steam device, including：Housing, the housing lower end is provided with support, flue is provided with the housing, the flue is nine sections, demister is equipped with each section of the flue, the demister is provided with fog-spray nozzle, and the fog-spray nozzle is located in the upper inside wall of flue, and the head end direction and flow of flue gas direction of the fog-spray nozzle are opposite；The lower housing portion side is provided with air inlet, and side of the housing upper away from air inlet is provided with gas outlet.Demister adds the chance that mist is captured in the present invention, the mist not being removed is acted at next turning and is captured by identical, rapidly, continuously changed the direction of motion during flow of flue gas, receive the collective effect of inertia force and gravity, the drop separation carried secretly in flue gas is come out quickly, vapor heat content organic efficiency in flue gas is substantially increased.
Description
Technical field
The present invention relates to the recovery of fume-dehydrating technical field, more particularly to a kind of fume-dehydrating steam device and its waste heat
Method.
Background technology
At present, caused by the discharge of industrial waste gas and coal-fired flue-gas air pollution and the haze weather of formation is seriously broken
It is broken ecological environment and influence human health.It is understood that existing various dry dedusting technologies are unable to desulphurization denitration, wet method cigarette
Although gas purification techniques energy desulphurization denitration, dehydration problem is relatively difficult to resolve certainly, substantial amounts of vapor of being emerged in chimney is also a kind of " white
Color " is polluted and energy waste, but also there is the phenomenon generation of " gypsum rain " and " the escaping of ammonia ", and the original liquid that has been cleaned is absorbed
Partial contamination thing such as PM2.5 etc., and gone out with moisture discharge, be to cause one of origin cause of formation of haze weather.
It is well known that being also that, containing more heat, flue gas can also take away more heat while release in flue gas
Amount, according to statistics, flue gas band heat are the key factors that boiler efficiency declines, and commonly reach 8-12% or so, so, recovered flue gas heat
Amount is energy-saving and emission-reduction important process；General flow velocity of the flue gas in flue only has 4m/s or so, when containing flue gas vapor
When flowing through demister with certain speed, because flow velocity is slow, unit volume relative density is small, and demisting heat absorption efficiency is very low, heat
Reclaim very small, so being badly in need of a kind of fume-dehydrating steam of production and the device of waste heat recovery, so as to reduce the loss of energy.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is that flue is divided into nine in the recovery method for proposing a kind of fume-dehydrating steam device and its waste heat, the device
Section, and 60 ° of installation (operating) water nozzles of angle between every section, water spraying atomization and flue gas heat exchange, demister add what mist was captured
Chance, the mist not being removed is acted at next turning and is captured by identical, by rapidly, continuously during flow of flue gas
Change the direction of motion, receive the collective effect of inertia force and gravity, quickly come out the drop separation carried secretly in flue gas, significantly
Increase the removal probability of vapor in flue gas.
A kind of fume-dehydrating steam device according to embodiments of the present invention, including：Housing, the housing lower end is provided with branch
Flue is provided with frame, the housing, the flue is to be equipped with demisting on nine sections, each section of the flue
Device, the demister is provided with fog-spray nozzle, and the fog-spray nozzle is located in the upper inside wall of flue, the head end of the fog-spray nozzle
Direction and flow of flue gas direction are opposite；The lower housing portion side be provided with air inlet, the housing upper away from air inlet one
Side is provided with gas outlet, and the gas outlet, air inlet are connected with flue, and the flue lower end is provided with outlet pipe
Road, the outlet conduit and flue UNICOM, the outlet conduit are provided with valve.
In some embodiments of the invention, force (forcing) pump, the force (forcing) pump are provided between the air inlet and flue
Respectively with air inlet, flue UNICOM.
In other embodiments of the present invention, certain angle, the folder are equipped with the flue between every section
Angular region is 60 °.
In other embodiments of the present invention, the port of export of the outlet conduit is connected with slurry pool.
Compared with prior art, the beneficial effect in the present invention is：
1. being provided with force (forcing) pump at the air inlet of housing, the flue gas from air inlet entrance is in the presence of force (forcing) pump, flow velocity
9m/s is can reach, 2 times of reaction efficiency is improved, this is the processing speed for improving flue gas, flue gas is made again when removing vapor
Effect it is more obvious.
2. flue is divided into nine sections, and the angle between every section, at 60 °, demister adds the machine that mist is captured
Meeting, the mist not being removed is acted at next turning and is captured by identical, is rapidly, continuously changed during flow of flue gas
Become the direction of motion, receive the collective effect of inertia force and gravity, the drop separation carried secretly in flue gas is come out quickly, increased greatly
The removal probability of vapor in big flue gas.
3. vapor is captured in flue gas, also the heat absorption in flue gas, the heat of absorption can be recovered to slurries
In pond, then using heat pipe recovery heat, slurry pool heat pipe is connected with boiler recirculated water return pipe, is realized the recovery of heat, is saved
About resource.
4. the recovery method of waste heat of the present invention is：Flue gas enters from air inlet, enters flue under pressurization pumping action,
Demister is flowed through with certain speed, flue gas is rapidly, continuously changed the direction of motion, because of the effect of centrifugal force and inertia, flue gas
Interior droplet strikes the droplet that fog-spray nozzle on demister sprayed and is captured down, while the heat in flue gas is left on droplet
Interior, droplet collects to form current, because of the effect of gravity, under drop down onto outlet conduit, be recovered in slurry pool；Collect cigarette in slurry pool
The hot water of heat in gas, then heat is reclaimed using heat pipe, slurry pool heat pipe is connected with boiler recirculated water return pipe, using big flow
Circulating pump exchanges heat, and heat-exchange system installs automation control appliance, residual neat recovering system and the boiler blow-down water temperature difference reach 3 DEG C (assuming that
53 DEG C of residual neat recovering system temperature, boiler blow-down water temperature reaches 50 DEG C), automation stops pump operating cycle, stores pond temperatureExceed10 DEG C of temperature difference of boiler blow-down water temperature (assuming that 63 DEG C of residual neat recovering system temperature, boiler blow-down water temperature reaches 50 DEG C), circulation
Pump brings into operation, so as to reach the purpose for reclaiming heat.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation of fume-dehydrating steam device proposed by the present invention.
Fig. 2 is the connection diagram of pipeline in a kind of fume-dehydrating steam device proposed by the present invention.
Fig. 3 is a kind of recovery method flow chart of the waste heat of fume-dehydrating steam device proposed by the present invention.
In figure：1 housing, 2 supports, 3 flues, 4 force (forcing) pumps, 5 air inlets, 6 gas outlets, 7 demisters, 8 fog-spray nozzles, 9,
Outlet conduit, 10 valves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or the element with same or like function.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the present invention, and it is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Reference picture 1-3, a kind of fume-dehydrating steam device, including：Housing 1, the lower end of housing 1 is provided with support 2, housing 1
Provided with flue 3, flue 3 is to be equipped with demister 7 on nine sections, each section of flue 3, and demister 7 is provided with
Fog-spray nozzle 8, fog-spray nozzle 8 is located in the upper inside wall of flue 3, and the head end direction and flow of flue gas direction of fog-spray nozzle 8 are opposite；
The bottom side of housing 1 is provided with air inlet 5, and side of the top of housing 1 away from air inlet 5 is provided with gas outlet 6, gas outlet 6, air inlet
5 are connected with flue 3, and the lower end of flue 3 is provided with outlet conduit 9, outlet conduit 9 and the UNICOM of flue 3, water outlet
Pipeline 9 is provided with valve 10；Between air inlet 5 and flue 3 be provided with force (forcing) pump 4, force (forcing) pump 4 respectively with air inlet 5, flue gas
The UNICOM of pipeline 3, the model GD40-30 of force (forcing) pump 4；Certain angle is equipped with flue 3 between every section, angular range is
50 °~60 °；The port of export of outlet conduit 9 is connected with slurry pool.
Force (forcing) pump 4 is provided with the air inlet 5 of housing 1, the flue gas from the entrance of air inlet 5 is in the presence of force (forcing) pump 4, stream
Scooter improves 2 times of reaction efficiency, this is the processing speed for improving flue gas to 9m/s, flue gas is being removed vapor again
When effect it is more obvious；3 points of flue is nine sections, and the angle between every section, at 60 °, demister 7 adds mist quilt
The chance of trapping, the mist not being removed is acted at next turning and is captured by identical, fast during flow of flue gas
Speed, continuously change the direction of motion, receive the collective effect of inertia force and gravity, quickly go out the drop separation carried secretly in flue gas
Come, significantly increase the removal probability of vapor in flue gas；When vapor is captured in flue gas, the heat in flue gas can also be inhaled
Receive, the heat of absorption is recovered in slurry pool, then heat, slurry pool heat pipe and boiler recirculated water return pipe are reclaimed using heat pipe
Connection, realizes the recovery of heat, has saved resource.
The recovery method of waste heat is in the present invention：Flue gas enters from air inlet 5, enters fume pipe under the effect of force (forcing) pump 4
Road 3, demister 7 is flowed through with certain speed, and flue gas is rapidly, continuously changed the direction of motion, because of the effect of centrifugal force and inertia,
Droplet in flue gas strikes the droplet that fog-spray nozzle 8 is sprayed on demister 7 and is captured down, while the heat in flue gas is stayed
In droplet, droplet collects to form current, because of the effect of gravity, under drop down onto outlet conduit 9, be recovered in slurry pool；Slurry pool
Inside collect the hot water of heat in flue gas, then heat is reclaimed using heat pipe, slurry pool heat pipe is connected with boiler recirculated water return pipe, adopted
Exchanged heat with big flow circulating pump, heat-exchange system installs automation control appliance, residual neat recovering system reaches 3 with the boiler blow-down water temperature difference
DEG C (assuming that 53 DEG C of residual neat recovering system temperature, boiler blow-down water temperature reaches 50 DEG C), automation stops pump operating cycle, stores water
Pond temperatureExceed(assuming that 63 DEG C of residual neat recovering system temperature, boiler blow-down water temperature reaches 50 to 10 DEG C of temperature difference of boiler blow-down water temperature
DEG C), circulating pump brings into operation, so as to reach the purpose for reclaiming heat.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
The foregoing is intended to be a preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of fume-dehydrating steam device, it is characterised in that including：
Housing, the housing lower end, which is provided with support, the housing, is provided with flue, and the flue is nine sections, described
Demister is equipped with each section of flue, the demister is provided with fog-spray nozzle, and the fog-spray nozzle is located at flue
Upper inside wall on, the head end direction and flow of flue gas direction of the fog-spray nozzle are opposite；
The lower housing portion side be provided with air inlet, side of the housing upper away from air inlet be provided with gas outlet, it is described go out
Gas port, air inlet are connected with flue, and the flue lower end is provided with outlet conduit, the outlet conduit and flue gas
Pipeline UNICOM, the outlet conduit is provided with valve.
2. a kind of fume-dehydrating steam device according to claim 1, it is characterised in that：The air inlet and flue
Between be provided with force (forcing) pump, the force (forcing) pump respectively with air inlet, flue UNICOM.
3. a kind of fume-dehydrating steam device according to claim 1, it is characterised in that：On the flue every section it
Between be equipped with certain angle, the angular range is 60 °.
4. a kind of fume-dehydrating steam device according to claim 1, it is characterised in that：The port of export of the outlet conduit
It is connected with slurry pool.
5. a kind of recovery method of fume-dehydrating steam device waste heat as described in claim 1-4, it is characterised in that specific side
Method step is as follows：
A. flue gas enters from air inlet, enters flue under pressurization pumping action, demister, flue gas are flowed through with certain speed
Rapidly, continuously changed the direction of motion, because of the effect of centrifugal force and inertia, the droplet in flue gas strikes fog-spray nozzle on demister
The droplet sprayed is captured down, while the heat in flue gas is left in droplet, droplet collects to form current, because of gravity
Effect, under drop down onto outlet conduit, be recovered in slurry pool；
B. collect the hot water of heat in flue gas in slurry pool, then heat, slurry pool heat pipe and boiler recirculated water are reclaimed using heat pipe
Return pipe is connected, and is exchanged heat using big flow circulating pump, and heat-exchange system installs automation control appliance, residual neat recovering system and boiler
Backwater temperature difference reaches 3 DEG C, and automation stops pump operating cycle；Store pond temperature and exceed 10 DEG C of temperature difference of boiler blow-down water temperature, follow
Ring pump brings into operation, so as to reach the purpose for reclaiming heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291085.7A CN106943803A (en) | 2017-04-28 | 2017-04-28 | A kind of recovery method of fume-dehydrating steam device and its waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291085.7A CN106943803A (en) | 2017-04-28 | 2017-04-28 | A kind of recovery method of fume-dehydrating steam device and its waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106943803A true CN106943803A (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710291085.7A Pending CN106943803A (en) | 2017-04-28 | 2017-04-28 | A kind of recovery method of fume-dehydrating steam device and its waste heat |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH683867A5 (en) * | 1991-03-27 | 1994-05-31 | Winfried Gelewski | Exhaust gas line to a boiler. |
| JPH10192646A (en) * | 1996-12-27 | 1998-07-28 | Babcock Hitachi Kk | Horizontal flow and wet type flue gas desulfurization device with mist removing function |
| CN201025431Y (en) * | 2007-02-08 | 2008-02-20 | 广州市优华能源技术有限公司 | Recycling energy saving device for smoke residual heat |
| CN201081559Y (en) * | 2007-06-05 | 2008-07-02 | 天津渤海环保工程有限公司 | Integrated fume cleaning and waste heat recovery device |
| CN201329196Y (en) * | 2008-12-23 | 2009-10-21 | 青岛崂山应用技术研究所 | Condensing and dehydrating unit for flue gas preprocessor |
| CN203273922U (en) * | 2013-04-24 | 2013-11-06 | 北京市中科天一环境技术有限公司 | Flue gas waste heat recovery device based on helical radial turbulent flow |
| CN205065764U (en) * | 2015-10-19 | 2016-03-02 | 北京建筑大学 | Fountain residual heat from flue gas device |
| CN105865223A (en) * | 2016-06-06 | 2016-08-17 | 烟台荏原空调设备有限公司 | Direct contact type flue gas waste heat recovery device |
| CN206715499U (en) * | 2017-04-28 | 2017-12-08 | 张久明 | A kind of fume-dehydrating steam device |
-
2017
- 2017-04-28 CN CN201710291085.7A patent/CN106943803A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH683867A5 (en) * | 1991-03-27 | 1994-05-31 | Winfried Gelewski | Exhaust gas line to a boiler. |
| JPH10192646A (en) * | 1996-12-27 | 1998-07-28 | Babcock Hitachi Kk | Horizontal flow and wet type flue gas desulfurization device with mist removing function |
| CN201025431Y (en) * | 2007-02-08 | 2008-02-20 | 广州市优华能源技术有限公司 | Recycling energy saving device for smoke residual heat |
| CN201081559Y (en) * | 2007-06-05 | 2008-07-02 | 天津渤海环保工程有限公司 | Integrated fume cleaning and waste heat recovery device |
| CN201329196Y (en) * | 2008-12-23 | 2009-10-21 | 青岛崂山应用技术研究所 | Condensing and dehydrating unit for flue gas preprocessor |
| CN203273922U (en) * | 2013-04-24 | 2013-11-06 | 北京市中科天一环境技术有限公司 | Flue gas waste heat recovery device based on helical radial turbulent flow |
| CN205065764U (en) * | 2015-10-19 | 2016-03-02 | 北京建筑大学 | Fountain residual heat from flue gas device |
| CN105865223A (en) * | 2016-06-06 | 2016-08-17 | 烟台荏原空调设备有限公司 | Direct contact type flue gas waste heat recovery device |
| CN206715499U (en) * | 2017-04-28 | 2017-12-08 | 张久明 | A kind of fume-dehydrating steam device |
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