CN206985766U - A kind of desulfurization wastewater enrichment facility - Google Patents
A kind of desulfurization wastewater enrichment facility Download PDFInfo
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- CN206985766U CN206985766U CN201720886636.XU CN201720886636U CN206985766U CN 206985766 U CN206985766 U CN 206985766U CN 201720886636 U CN201720886636 U CN 201720886636U CN 206985766 U CN206985766 U CN 206985766U
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- desulfurization wastewater
- spray equipment
- enrichment facility
- gas approach
- tower body
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Abstract
The utility model proposes a kind of desulfurization wastewater enrichment facility, it includes a tower body being disposed vertically, and the tower body bottom is provided with the tower basin for storing desulfurization wastewater, and the tower basin is provided with dope outlet.The second spray equipment is provided with above the tower basin, second circulation pump is connected with by pipeline between second spray equipment and the tower basin, the both sides up and down of second spray equipment are respectively arranged with gas approach and exhanst gas outlet, the first spray equipment is provided with the gas approach, first circulation pump is connected with by pipeline between first spray equipment and the tower basin, desulfurization wastewater feeding-passage is connected with the tower body or the passage being connected with the tower body, the gas approach is connected by smoke input chamber road with flue.A kind of desulfurization wastewater enrichment facility provided by the utility model, using two sections of spraying and sprinkling evaporation modes, can improve evaporation and concentration efficiency.
Description
Technical field
Technical field of environment protection equipment is the utility model is related to, it is more particularly to a kind of dense using fume afterheat progress desulfurization wastewater
The device of contracting.
Background technology
The device of the purposes such as desulfurization wastewater evaporation and concentration is carried out using boiler smoke in the market, typically using spray column
Structure, its structure generally include tubular tower body, and tower body bottom is provided with tower basin, and tower body corresponds to tower basin top and is provided with an air inlet
Mouthful, tower body napex is provided with gas outlet, and tower body corresponds to and shower is provided among air inlet and gas outlet, is provided with shower
Shower nozzle, tower body outside are additionally provided with the conduit of connection tower basin and shower, circulating pump are provided with conduit.Waste water sprays from shower
Leaching and under, with from air inlet enter tower body rising flue gas occur heat exchange reaction, so as to reach the purpose of evaporation and concentration.In the presence of
Following subject matter：First, being generally only provided with the spray equipment positioned at tower body top in spray column, tower body inner space utilizes
Rate is low.Second, the gas approach of spray column, typically in side, air inlet is unbalanced, spray column efficiency is low.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of desulfurization wastewater enrichment facility, before being reduced or avoided
The problem of being previously mentioned.
In order to solve the above technical problems, the utility model proposes a kind of desulfurization wastewater enrichment facility, it includes one and hung down
The tower body directly placed, the tower body bottom are provided with the tower basin for storing desulfurization wastewater, and the tower basin is provided with dope outlet.
The second spray equipment is provided with above the tower basin, the is connected with by pipeline between second spray equipment and the tower basin
Two circulating pumps, the both sides up and down of second spray equipment are respectively arranged with gas approach and exhanst gas outlet, the gas approach
Place is provided with the first spray equipment, and first circulation pump is connected with by pipeline between first spray equipment and the tower basin,
Desulfurization wastewater feeding-passage is connected with the tower body or the passage being connected with the tower body, the gas approach passes through smoke input chamber
Road is connected with flue.
Preferably, the gas approach is below second spray equipment, and the exhanst gas outlet is in the described second spray
Above device.
Preferably, the gas approach is multiple.
Preferably, the gas approach is arranged on the sustained height position of the tower body.
Preferably, the gas approach is further provided with for being adjusted into the tune in exhaust gas volumn or direction in the tower body
Engagement positions.
Preferably, the adjusting apparatus includes at least one rotatable blade or damper or regulation shrinkage cavity.
Preferably, first spray equipment is nozzle or high speed atomisation disk.
Preferably, first spray equipment is corresponded with the gas approach and set.
Preferably, first spray equipment is arranged in the smoke input chamber road.
Preferably, it is 50cm institutes that first spray equipment, which is arranged in the section of the gas approach along axis development length,
Comprising region in.
Preferably, the smoke input chamber road is de Laval noz(zle) or nozzle arrangements.
Preferably, the gas approach and first spray equipment are the spray nozzle structures of integration.
A kind of desulfurization wastewater enrichment facility provided by the utility model, using two sections of spraying and sprinkling evaporation modes, can be improved
Efficiency is concentrated by evaporation, while the reliable and stable of system operation can also be ensured.Further, using more gas approach equilibrium air inlets
Mode, it may be such that smoke distribution is balanced in tower, and can be by could be adjusted to improve to flue gas flow and direction in gas approach
Flue gas breathes heavily flow degree and liquid flue gas mixability, so as to improve spray column efficiency.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein,
Fig. 1 is to be shown according to a kind of structural principle of desulfurization wastewater enrichment facility of a specific embodiment of the present utility model
It is intended to；
Fig. 2 is the structural principle according to a kind of desulfurization wastewater enrichment facility of another specific embodiment of the present utility model
Schematic diagram；
Fig. 3 is the dimensional structure diagram of Fig. 2 gas approach；
Fig. 4 is the principle schematic diagram of Fig. 2 adjusting apparatus；
Fig. 5 is the dimensional structure diagram of Fig. 4 adjusting apparatus；
Fig. 6 is the principle schematic diagram in Fig. 2 smoke input chamber road；
Fig. 7 is the structural representation of Fig. 1 the first spray equipment.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, now control illustrates
Specific embodiment of the present utility model.Wherein, identical part uses identical label.
Fig. 1 is to be shown according to a kind of structural principle of desulfurization wastewater enrichment facility of a specific embodiment of the present utility model
It is intended to；Shown in Figure 1, the utility model provides a kind of desulfurization wastewater enrichment facility, and it includes a tower being disposed vertically
Body 1, the bottom of tower body 1 are provided with the tower basin 3 for storing desulfurization wastewater, and the tower basin 3 is provided with dope outlet 10, described
The top of tower basin 3 is provided with the second spray equipment 2, and the is connected with by pipeline between second spray equipment 2 and the tower basin 3
Two circulating pumps 8, the both sides up and down of second spray equipment 2 are respectively arranged with gas approach 5 and exhanst gas outlet 4, the flue gas
The first spray equipment 9 is provided with import 5, first is connected with by pipeline between first spray equipment 9 and the tower basin 3
Desulfurization wastewater feeding-passage 100 is connected with circulating pump 11, the tower body or the passage being connected with the tower body, the flue gas enters
Mouth 5 is connected by smoke input chamber road 51 with flue 6.
The flue gas for coming from the flue 6 enters the tower body 1 via the smoke input chamber road 51 by the gas approach 5
Inner space, the feeding-passage 100 may be provided with feed pump (not shown), pending desulfurization caused by upstream equipment
Waste water is via the feeding-passage 100 by entering in the tower basin 3 inside the tower body 1.Desulfurization in the tower basin 3
Waste water is sprayed at the gas approach 5 under the driving of the first circulation pump 11 through first spray equipment 9, and with from institute
The high temperature and high speed flue gas for stating the entrance of gas approach 5 carries out contact heat-exchanging evaporation, in first spray equipment 9 and high temperature and high speed cigarette
Under gas effect, desulfurization wastewater is carried out mixed heat transfer and completely or partially evaporated to turn into water vapour, water with tiny drop and flue gas
The unevaporated drop of steam and part flows to the exhanst gas outlet 4 under flue gas driving, and further carry out contact heat-exchanging and
Evaporation, humidity of flue gas increase, finally, the part or all of moisture in the desulfurization wastewater sprayed into from first spray equipment 9
Evaporation is changed into water vapour and flows out the tower body 1 through the exhanst gas outlet 4 with flue gas, the unevaporated moisture after pervaporation is reduced
And chlorion, solid particle etc. are fallen into the tower basin 3；Similarly, the desulfurization wastewater in the tower basin 3, also described second
Spray into the tower body 1 by second spray equipment 2 under the driving of circulating pump 8, carried out with the flue gas in the tower body 1
Contact heat-exchanging and part evaporation, further increase is even changed into saturated flue gas to smoke moisture, and flows out cigarette through the exhanst gas outlet 4
Road.What the desulfurization wastewater in the tower basin 3 went round and began again under the driving of the second circulation pump 8 and the first circulation pump 11
Circulating and evaporating and concentrate, when reaching finite concentration, most of villaumite in desulfurization wastewater etc. separates out in solid form, now may be used
By the discharge tower body 1 of dope outlet 10, into follow-up cure system, sludge dehydration device is such as squeezed into by sludge pump
(such as plate and frame filter press, centrifugal dehydrator) is solidified, and can also be squeezed into flue and be carried out being evaporated solidification.
As shown in Figure 1, it is generally the case that below second spray equipment 2, the flue gas goes out the gas approach 5
Mouth 4 is above second spray equipment 2.The desulfurization wastewater of the ejection of second spray equipment 2 now is carried out with flue gas
Countercurrent flow, effect is preferable, but the desulfurization wastewater heat exchange process that first spray equipment 9 sprays is shorter, has part and falls
Influence evaporation efficiency.
It will be appreciated by those skilled in the art that the gas approach 5 can also be arranged on second spray equipment 2
Side, the exhanst gas outlet 4 are arranged on the lower section of the second spray equipment 2.I.e. gas approach 5 described in Fig. 1 and the flue gas
The location swap of outlet 4, in this case, first spray equipment 9 is above second spray equipment 2, such case
Under, desulfurization wastewater and flue gas that second spray equipment 2 sprays carry out downstream heat transfer (flowing downward), and heat exchange efficiency is poor,
But the desulfurization wastewater heat exchange process that first spray equipment 9 sprays is longer, increase with the smoke contacts time, heat exchange efficiency compared with
It is high.
First spray equipment 9 can be that nozzle or high speed atomisation disk or others can be by desulfurization wastewaters
The structure of atomization.Desulfurization can be given up likewise, second spray equipment 2 may also be nozzle or high speed atomisation disk or others
The structure of water atomization.
First spray equipment 9 can correspond with the gas approach 5, i.e. a correspondence of gas approach 5
One first spray equipment 9.It is of course also possible to multiple first spray dresses are set at each gas approach 5
Put 9.
First spray equipment 9 can be arranged in the exit of the gas approach 5 as shown in Figure 1, and Fig. 7 is Fig. 1's
The structural representation of first spray equipment, referring to shown in Fig. 1, Fig. 7, first spray equipment 9 can be deployed in the flue gas
(referring to the dashed region in Fig. 7) in the region that the section of import 5 is included along axis development length L by 50cm, can so protect
Hinder the desulfurization wastewater sprayed from first spray equipment 9 can effectively to change with the high-temperature flue gas sprayed into from the gas approach 5
Heat.
The flue 6 can be the flue after boiler induced-draft fan, that is, uses and come from flue gas conduct after the boiler induced-draft fan
Flue gas is evaporated, is the waste heat that can not do other utilization substantially, therefore evaporation energy can be reduced because this partial fume grade is relatively low
Consumption, simultaneously because flue gas herein removing dust, relatively cleaner, the influence to the desulfurization wastewater enrichment facility is smaller.
The exhanst gas outlet 4 can access desulfuration absorbing tower entrance, carry out moisture recovery.
The utility model uses two sections of spraying and sprinkling evaporations：Pass through the first circulation pump 11 and first spray equipment 9
Desulfurization wastewater evaporates with high-speed and high-temperature flue gas heat exchange, and efficiency can greatly improve；Pass through the second circulation pump 8 and described second
The desulfurization wastewater of spray equipment 2, using spraying and sprinkling evaporation mode.Two ways coordinates, and it is empty can to effectively improve the inside of tower body 1
Between utilization rate.
The gas approach 5 can be one, or multiple.Fig. 2 is according to another specific reality of the present utility model
Apply a kind of principle schematic diagram of desulfurization wastewater enrichment facility of example；Fig. 3 is the stereochemical structure signal of Fig. 2 gas approach
Figure；Referring to shown in Fig. 2-3, when the gas approach 5 is two or more, the gas approach 5 is vertical the tower body 1
Equalization setting on projecting direction, that is to say, that on the cross section of the tower body 1, the gas approach 5 is with the tower body 1
Substantially uniform distribution on the basis of axis, namely refer to tower wall border of the gas approach 5 along the tower body 1 it is substantially equidistant from
Ground arranges, substantially equidistant from arrangement purpose is in order that flue gas is protected after entering the inside of tower body 1 from each gas approach 5
Basis equalization spatially is held, the distance of certain each gas approach 5 there can also be certain deviation, but deviation is excessive
Flue gas can be influenceed into balanced scattered effect in the tower body 1.The balanced arrangement of the gas approach 5 can make to come from institute
The heat smoke for stating flue 6 is balancedly entered in the tower body 1 by the gas approach 5, and keeps each gas approach as far as possible
Exhaust gas volumn it is in a basic balance, can thus improve the equilibrium degree of flue gas in the tower body 1 in the distribution of space.
Because the flue gas in the tower body 1 can largely ensure harmony in the distribution of space, therefore ensure that
The harmony that desulfurization wastewater contacts with flue gas mixing, reduces flue gas and desulfurization wastewater bias current or wall stream, so as to improve the tower
The utilization rate and evaporation and concentration efficiency of the inner space of body 1.
The gas approach 5 can be arranged on the sustained height position of the tower body 1, can so be advantageous into described
The fume balanced of tower body 1 is spread, and there may also be certain difference in height, (such as the relative flue gas goes out the exhanst gas outlet 5
Mouth 5 can have 3-10cm difference in height), the flue gas turbulization into the tower body 1 is so may be such that, so as to improve heat exchange
Efficiency.
The quantity of gas approach 5 is more, then harmony of the flue gas in the tower body 1 can be more improved, from cost angle
Degree considers.When the gas approach 5 is four or five, cost performance is best, while can also ensure to be unlikely to because the tower
The side-wall hole of body 1 excessively causes intensity to have larger reduction.
The section of the gas approach 5 can be so easy to manufacture with identical, but it is each now to require that the flue 6 is delivered to
Flue gas pressures at the gas approach are essentially identical, to ensure that the exhaust gas volumn of each gas approach and pressure are put down substantially
Weighing apparatus.Different sections for choosing the gas approach 5 of pressure that can certainly be delivered to according to the flue 6 at the chimney intake 5
Face is different.Need to carry out the simulated test of flue gas flow field or actual survey in the gas approach 5 and the tower body 1 when making
Examination, and select suitable dimension.The section of gas approach 5 can be circular, ellipse or other shapes.
Likewise, the exhanst gas outlet 4 can also be one or more.Its set-up mode also can flue gas as described above enter
The set-up mode of mouth 5, it can equally play similar effect, will not be repeated here.
Fig. 4 is the principle schematic diagram of Fig. 2 adjusting apparatus；Fig. 5 is the stereochemical structure signal of Fig. 4 adjusting apparatus
Figure.Referring to shown in Fig. 2, Fig. 4, Fig. 5, in order to control to adjust the direction for the flue gas for entering the tower body 1 from the gas approach 5
And flow, the gas approach 5 can be further provided with adjusting apparatus 7.The adjusting apparatus 7 can include at least one revolve
The blade 71 turned, it can so be controlled by adjusting the blade 71 from the flue gas of the gas approach 5 entrance tower body 1
Direction and flow,
When by adjusting the flue gas of blade 71 from each gas approach 5 according to the equidirectional clockwise or inverse time
When pin direction enters the tower body 1, the mixed of flue gas asthma flow degree in the tower body 1 and flue gas and liquid can be further improved
Conjunction degree, so as to can further improve mass transfer or heat transfer efficiency, also just improve the efficiency of spray column.
It will be appreciated by those skilled in the art that the adjusting apparatus 7 can be as shown in Figure 3, Figure 4 will adjust flue gas flow
Integrally completed by same group of blade with the function in direction, structure (such as the flow of flow control can also be respectively arranged to
Blade) and structure (such as guide vane) for direction controlling.
The adjusting apparatus 7 can also be using commercially available adjustment air duct or damper or adjust the structure of shrinkage cavity, or
Person's other structures, as long as flow or the direction of flue gas can be changed.
Need to carry out when making flue gas flow field in the gas approach 5 and the tower body 1 balance simulation experiment or
Actual test, and by adjusting the position of adjusting apparatus 7, to realize the optimization to flue gas flow field in the tower body 1.
First spray equipment 9 can be arranged in the gas approach 5 (i.e. in the smoke input chamber road as shown in Figure 2
In 51).Fig. 6 is the principle schematic diagram in Fig. 2 smoke input chamber road；Shown in Figure 6, first spray equipment 9 is arranged on
In the smoke input chamber road 51, so, the smoke input chamber road 51 can turn into the mixing chamber of desulfurization wastewater and flue gas, flue gas and de-
Sulphur waste water sprays into inside the tower body 1 again after can first mixing, so as to improve mixed heat transfer and evaporation efficiency.
It is possible to further set the adjusting apparatus 7 close to the side of the flue 6 in first spray equipment 9,
So as to be adjusted into the exhaust gas volumn in the smoke input chamber road 51 and direction.
The smoke input chamber road 51 may be designed to de Laval noz(zle) or nozzle arrangements, can so improve flue gas flow rate, so as to
More preferably desulfurization wastewater is atomized and mixed, is then sprayed into again inside the tower body 1, it is possible to further improve evaporation efficiency.
It will be appreciated by those skilled in the art that the smoke input chamber road 51 can also be common tubulose or other shapes.
In a preferred embodiment, the gas approach 5 and first spray equipment 9 can be the atomizations of integration
Emitter construction.
Carried to reduce the liquid for flowing out the flue gas that the flue gas 4 exports, particulate matter etc., the cigarette can be flowed into flue gas
Demister (not shown) is set between second spray equipment 2 and the exhanst gas outlet 4 before gas outlet 4.
The cross section of the tower body 1 can be circular, square or other shapes.
A kind of desulfurization wastewater enrichment facility provided by the utility model, using two sections of spraying and sprinkling evaporation modes, can be improved
Efficiency is concentrated by evaporation, while the reliable and stable of system operation can also be ensured.Further, it is balanced using balanced more gas approach
Intake method, it may be such that smoke distribution is balanced in tower, and can be by be could be adjusted in gas approach to flue gas flow and direction
Flue gas asthma flow degree and liquid flue gas mixability are improved, so as to improve spray column efficiency.
It will be appreciated by those skilled in the art that although the utility model is described in the way of multiple embodiments
, but not each embodiment only includes an independent technical scheme.So narration is just for the sake of clear in specification
For the sake of, the skilled in the art should refer to the specification as a whole is understood, and by skill involved in each embodiment
Art scheme, which is regarded as, can be mutually combined into the modes of different embodiments to understand the scope of protection of the utility model.
The schematical embodiment of the utility model is the foregoing is only, is not limited to model of the present utility model
Enclose.Any those skilled in the art, the equivalent variations made on the premise of design of the present utility model and principle is not departed from,
Modification and combination, the scope of the utility model protection all should be belonged to.
Claims (12)
1. a kind of desulfurization wastewater enrichment facility, it includes a tower body being disposed vertically, and the tower body bottom is provided with for depositing
The tower basin of desulfurization wastewater is stored up, the tower basin is provided with dope outlet, it is characterised in that is provided with the second spray above the tower basin
Device, second circulation pump, second spray equipment are connected with by pipeline between second spray equipment and the tower basin
Both sides up and down be respectively arranged with gas approach and exhanst gas outlet, the first spray equipment is provided with the gas approach, it is described
Between first spray equipment and the tower basin first circulation pump is connected with by pipeline, the tower body or be connected with the tower body
Desulfurization wastewater feeding-passage is connected with passage, the gas approach is connected by smoke input chamber road with flue.
2. a kind of desulfurization wastewater enrichment facility according to claim 1, it is characterised in that the gas approach is described
Below two spray equipments, the exhanst gas outlet is above second spray equipment.
3. a kind of desulfurization wastewater enrichment facility according to claim 1, it is characterised in that the gas approach is multiple.
4. a kind of desulfurization wastewater enrichment facility according to claim 3, it is characterised in that the gas approach is arranged on institute
State the sustained height position of tower body.
5. a kind of desulfurization wastewater enrichment facility according to claim 1, it is characterised in that the gas approach is further set
It is equipped with for being adjusted into exhaust gas volumn or the adjusting apparatus in direction in the tower body.
6. a kind of desulfurization wastewater enrichment facility according to claim 5, it is characterised in that the adjusting apparatus is included at least
One rotatable blade or damper or regulation shrinkage cavity.
7. a kind of desulfurization wastewater enrichment facility according to claim 1, it is characterised in that first spray equipment is spray
Mouth or high speed atomisation disk.
8. a kind of desulfurization wastewater enrichment facility according to claim 3, it is characterised in that first spray equipment and institute
State gas approach and correspond setting.
A kind of 9. desulfurization wastewater enrichment facility according to claim 1, it is characterised in that the first spray equipment arrangement
In the smoke input chamber road.
A kind of 10. desulfurization wastewater enrichment facility according to claim 1, it is characterised in that the first spray equipment cloth
Put in the region included in the section of the gas approach along axis development length by 50cm.
11. a kind of desulfurization wastewater enrichment facility according to claim 1, it is characterised in that the smoke input chamber road is scaling
Jet pipe or nozzle arrangements.
A kind of 12. desulfurization wastewater enrichment facility according to claim 1, it is characterised in that the gas approach and described
First spray equipment is the spray nozzle structure of integration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886636.XU CN206985766U (en) | 2017-07-20 | 2017-07-20 | A kind of desulfurization wastewater enrichment facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886636.XU CN206985766U (en) | 2017-07-20 | 2017-07-20 | A kind of desulfurization wastewater enrichment facility |
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| Publication Number | Publication Date |
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| CN206985766U true CN206985766U (en) | 2018-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607809A (en) * | 2020-12-11 | 2021-04-06 | 杭州蕴泽环境科技有限公司 | Desulfurization wastewater concentration system and method |
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2017
- 2017-07-20 CN CN201720886636.XU patent/CN206985766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607809A (en) * | 2020-12-11 | 2021-04-06 | 杭州蕴泽环境科技有限公司 | Desulfurization wastewater concentration system and method |
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