CN205412657U - Boiler flue gas desulfurization reinforces disturbance mass transfer device - Google Patents
Boiler flue gas desulfurization reinforces disturbance mass transfer device Download PDFInfo
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- CN205412657U CN205412657U CN201620105876.7U CN201620105876U CN205412657U CN 205412657 U CN205412657 U CN 205412657U CN 201620105876 U CN201620105876 U CN 201620105876U CN 205412657 U CN205412657 U CN 205412657U
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- flue gas
- mass transfer
- gas desulfurization
- boiler flue
- transfer apparatus
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Abstract
The utility model discloses a boiler flue gas desulfurization reinforces disturbance mass transfer device, the device sprays fixed couple and motor under the supporting beam of layer including installing in boiler flue gas desulfurization tower, fixed couple sets up in the motor top, the output shaft of motor bottom is the axis of rotation, and the axis of rotation afterbody is provided with the drive plate, be fixed with nail silk disc on the drive plate, a plurality of silk ribbons are installed to the outer fringe of nail silk disc. The mixed mass transfer of desulfurizing slurry with original flue gas has been reinforceed through forcing the disturbance form to the device and method, can reach improvement boiler desulfurization efficiency, reduce slurry circulating pump power consumption, equipment safe and reliable, arrange and reform transform convenient, environmental protection purpose up to standard.
Description
Technical field
This utility model relates to a kind of boiler flue gas desulfurization strengthening disturbance device, belongs to the environmental protection equipment technical field proposing effect and reducing energy consumption up to standard.
Background technology
Along with China's rapid development of economy, coal ratio in China's energy resource structure is up to 76.2%, and coal fire discharged sulfur dioxide also (accounts for SO being continuously increased2The 90% of total release), for years more than 20,000,000 tons, cause China's Acid Rain Pollution area to expand rapidly (accounting for the 30% of area), the aspects such as China crops, forest and health are caused huge infringement.The direct economic loss that Chinese national economy is caused by sulfur dioxide has accounted for the 2% of GDP, seriously hinders China's expanding economy, becomes restriction China economy, the key factor of social sustainable development, therefore, to SO2The control of discharge is the most imperative.For controlling coal-burning power plant's Air Pollutant Emission, improving China's air quality and control of acid rain pollutes, State Environmental Protection Administration and national development and reform committee member take the multinomial New Measure being further intended to strengthen coal-burning power plant's sulfur dioxide pollution preventing and treating.
For atmospheric pollution of keeping under strict control, create SO2The situation that discharge standard improves day by day: start on January 1st, 2004 perform " fossil-fuel power plant atmospheric pollutant emission standard " (GB13223-2003) sulfur dioxide emissioning concentration in new power plant construction boiler smoke by former 1200mg/Nm3Fall below 400mg/Nm3；Fire coal boiler fume sulfur dioxide (SO2) emissions, according to national standard " fossil-fuel power plant atmospheric pollutant emission standard " (GB13223-2011 substitutes GB13223-2003) regulation: SO2≤200mg/Nm3(existing stove), SO2≤100mg/Nm3(newly-built stove)；And " emission standard of air pollutants for boilers " (GB13271-2014 substitutes GB13271-2001), highlight again key area SO 2 from fume discharge standard and improve." key area prevention and control of air pollution " 12 " planning " that State Council's reply is implemented is the clearest and the most definite: flue gas desulfurization facilities will canceling gas bypass, the strengthening supervision and management to desulfurization equipment, it is ensured that synthesis desulfurating efficiency reaches more than 90% according to the rules；Priority control district is according to≤50mg/Nm3Standard, the coal unit of stably reaching standard can not must carry out transformation up to standard to smoke dust discharge concentration.
Emphasis geographic coverage, about performing the bulletin of the special emission limit of atmosphere pollution, has been carried out clearly, and has covered most of coal-burning boiler by Environmental Protection Department 2013 the 14th.
Priority control district scope
From 2004 so far, boiler smoke SO2Discharge, from 1200mg/Nm3Fall below 400mg/Nm3, 400mg/Nm3Fall below 200mg/Nm3, 200mg/Nm3Fall below 100mg/Nm3, key area is from 100mg/Nm3Fall below 50mg/Nm3；Environmental protection charge is become nationwide charge, SO from the charge of " dicontrolled area " pilot2Discharge paying price to be carried by 0.211 yuan/kg be 0.633 yuan/kg, raise the price the most again to being not less than 1.2632 yuan/kg.The fine dynamics of discharge beyond standards, while monitoring discharge, is continued to increase and even give stricting orders stopping production rectification by various places environmental administration.December in 2015 national environmental protection portion, the National Development and Reform Commission, National Energy Board on the 3rd combine the notice issued about printing and distributing " implementing in full coal-burning power plant's minimum discharge and reducing energy consumption programme of work "; requiring the year two thousand twenty, all coal-burning power plants possessing transformation condition, the whole nation strive realizing minimum discharge i.e. sulfur dioxide emissioning concentration≤35mg/Nm3。
Understanding on ancestor, due to the raising day by day of environmental protection standard, many has the firm newly-built desulfurizing tower put into operation soon of the appearance of enterprise of boiler to be difficult to meet flue gas desulfurization emission request, it has to spend a huge sum of money to carry out rebuilding to meet the environment protection standard requirement that environmental administration is fixed.
The desulfurization method main technique of China's coal-burning boiler is limestone-gypsum method (accounting for the 95% of flue gas desulfurization) at present, in addition a small amount of quick lime-gypsum, alkaline process or Dual alkali, magnesium oxide method, ammonia process etc., this kind of wet desulfuration tower accounts for more than the 98% of flue gas desulfurization.Therefore this technical method and device are mainly used in the improved efficiency transformation of boiler desulfurization tower, to meet the environment protection emission requirement day by day improved, reach environmental protection and energy-conservation effect, and the investment of thrifty large-scale redevelopment and operating cost, social benefit is the most notable.
For this, the present invention have studied the boiler flue gas desulfurization strengthening disturbance of a kind of novelty and carries effect method and apparatus, flue gas and the space layer of serosity spray mixed zone in existing coal-fired boiler desulfurizing tower can be better profited from, ensureing that original system is safe and reliable, on the premise of long-term operation, by adding this strengthening disturbance mass transfer method and device, reach effectively to promote the desulfuration efficiency of coal-fired boiler desulfurizing tower, it is achieved energy-conservation, reduction investment lasts up to target effect with operating cost, environmental protection.
Utility model content
The purpose of this utility model is to provide a kind of boiler flue gas desulfurization strengthening disturbance mass transfer apparatus, and this device makes the system of desulfurization renovation and improving simple and direct reliable, operation safe and continuous, thrifty investment with operating cost, energy consumption is low, the feature of environmental protection good.
For achieving the above object, this utility model is by the following technical solutions:
A kind of boiler flue gas desulfurization strengthening disturbance mass transfer apparatus, including the fixed hook being installed under boiler flue desulfuring towers spraying layer support beam and motor, described fixed hook is arranged at motor top, output shaft bottom described motor is rotary shaft, rotary shaft afterbody is provided with drive plate, being fixed with nail silk disk on described drive plate, the outer rim of nail silk disk is provided with some silk ribbons.
Further, described motor is heatproof, corrosion-resistant, waterproof, the low voltage, high-speed motor of small-power type.
Further, described rotary shaft is disposed with 1 layer or Multi-layer transmission dish, every layer of drive plate is provided with nail silk disk and silk ribbon.
Further, described boiler flue gas desulfurization strengthening disturbance mass transfer apparatus is multiple, and district is arranged in the strengthening disturbance that is evenly arranged and is installed in desulfurizing tower, described strengthening disturbance arrange district be positioned at desulfurizing tower spraying layer below.
Further, described fixed hook passes through glass cord and high temperature resistant alicyclic vinyl glass flake plasticine, and flexible suspension is in spraying layer support beam.
Further, described silk ribbon is securedly mounted to follow closely on silk disk by screw.
Further, the material of described silk ribbon is that the nylon of Centrifugal cord type lawn-mower is beaten the grass rope.
The beneficial effects of the utility model are:
With society, boiler flue gas sulphur dioxide is discharged the most harsh discharge standard and regulatory requirements for meeting Environmental Protection in China, Multi-layer sprinkling formula desulfurizing tower carries out strengthening disturbance mass transfer apparatus, than current newly-increased spraying layer or increasing spray flux, use Double-Tower Structure, strengthen tower diameter reduction flue gas flow rate, interpolation Desulfurization synergist etc. reforming technology to compare, with the obvious advantage；As compared with increase spraying layer, present invention have the advantage that
1, increasing the reforming technologies such as spraying layer newly, investment for trnasforming urban land is big, the duration, though desulfuration efficiency can be promoted, and operating cost strengthened up to the several months.And the advantage of this method first consist in can directly install additional in existing Multi-layer sprinkling formula desulfurizing tower disturbance strengthening mass transfer apparatus, its system equipment is simple and direct reliably, the rebuilding construction duration within 1 week, and reduced investment, operating cost reduce.
2, the desulfurized effect of newly-increased 1 layer of spraying layer, 1 layer/set disturbance strengthening mass transfer apparatus is suitable with setting up.Increase spraying layer and be only increased the liquid-gas ratio of desulfurizing tower, add the response time；And disturbance strengthening mass transfer apparatus, then in desulfurization slurry spraying layer atomizer whereabouts serosity and sulfur-containing smoke gas mixed zone upwards, get rid of disturbance mixing by the throwing of high speed silk ribbon and carry out strong agitation, drop tear and " cavitation " effect etc., the mass transfer exchange process of strengthening gas-liquid, therefore improve desulfuration efficiency.
3, the power consumption of newly-increased 1 layer of spraying layer, far above setting up 1 layer/set disturbance strengthening mass transfer apparatus.For the desulfurizing tower of 6 rice diameters, the serum recycle pump power about 150kw of 1 layer of spraying layer, and the electrical power about 1kw of disturbance strengthening mass transfer apparatus；Its power consumption is only the 1/150 of newly-increased 1 layer of spraying layer, it is seen that be substantially reduced operating cost and energy-saving benefit.
4, newly-increased spraying layer, its spray flux, power consumption, for fixing non-adjustable, as used the mode reducing slurry circulating pump outlet valve to reduce spray flux and power consumption, then can affect nozzle atomization effect, lose more than gain；And disturbance strengthening the silk ribbon length of mass transfer apparatus, quantity, the number of plies etc., all can increase and decrease according to desulfurized effect and distribute rationally, promote effect receiving more preferable desulfuration efficiency.
5, newly-increased spraying layer, the replacing after the erosion corrosion of its slurry circulating pump, the replacing etc. after nozzle wear erosion, be both needed to substantial amounts of maintenance cost, and the machine envelope of pump consumes energy for a long time with cooling water；And the consumable accessory of disturbance strengthening mass transfer apparatus is high speed silk ribbon, its material is that the nylon of Centrifugal cord type lawn-mower is beaten the grass rope, wear-resisting, aging resistance, corrosion-resistant, inexpensive and update and facilitate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model installation in desulfurizing tower and working region schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
It is illustrated in figure 1 a kind of boiler flue gas desulfurization strengthening disturbance mass transfer apparatus, including the fixed hook 1 being installed under boiler flue desulfuring towers spraying layer support beam and motor 2, fixed hook 1 is arranged at motor 2 top, output shaft bottom described motor 2 is rotary shaft 3, rotary shaft 3 afterbody is provided with drive plate 4, being fixed with nail silk disk 5 on described drive plate 4, the outer rim of nail silk disk 5 is provided with some silk ribbons 6.During motor 2 high speed rotating, silk ribbon 6 will be driven to spray district's high speed rotating disturbance at flue gas with desulfurization slurry, play the function of strengthening mass transfer.
Motor 2 is heatproof, corrosion-resistant, waterproof, the low voltage, high-speed motor of small-power type.
It is disposed with 1 layer or Multi-layer transmission dish 4 in rotary shaft 3, every layer of drive plate 4 is provided with nail silk disk 5 and silk ribbon 6.
For ensure disturbance without dead angle, boiler flue gas desulfurization strengthening disturbance mass transfer apparatus is multiple, and district is arranged in the strengthening disturbance being evenly arranged and be installed in desulfurizing tower, described strengthening disturbance arrange district be positioned at desulfurizing tower spraying layer below.
Fixed hook 1 is by glass cord and high temperature resistant alicyclic vinyl glass flake plasticine, and flexible suspension, in spraying layer support beam, can play effectiveness in vibration suppression simultaneously.
Silk ribbon 6 is securedly mounted to follow closely on silk disk 5 by screw, and is easy to disassembling, assembling and replacing or interpolation.
The material of silk ribbon 6 is that the nylon of Centrifugal cord type lawn-mower is beaten the grass rope, wear-resisting, aging resistance, corrosion-resistant, purchases facility.
Motor machine disturbance device material is 316L rustless steel, polytetrafluoro, high-strength nylon etc., can meet the operating condition requirement that heat-proof corrosion resistant is wear-resisting, and be guaranteed in long-term safety reliability service in the environment of desulfurization smog.
The boiler flue gas desulfurization strengthening disturbance mass transfer utilizing said apparatus puies forward efficacious prescriptions method and is:
As shown in Figure 2, Ou Ruogan spraying layer it is provided with in desulfurizing tower, disturbance strengthening mass transfer is all had to arrange district below every layer of spraying layer, boiler flue gas desulfurization strengthening disturbance mass transfer apparatus is installed on boiler desulfurization tower spraying layer bottom, in serosity spray and flue gas adverse current mixed zone, through the motor 2 that multiple stage level is uniform, motor 2 drives rotary shaft 3 to rotate, drive 1 layer or multilamellar silk ribbon 6 produces high speed disturbance, now due to the decrease speed of serosity, the rate of climb of flue gas is respectively less than the rotation disturbance speed of silk ribbon 6, therefore the liquid in space, gas will be forced stirring mixing, bigger desulfurizing agent drop is broken by silk ribbon tear, thus enhance desulfurizing agent drop and SO in flue gas2Mass transfer i.e. disturbance mixing, thus reach promote desulfuration efficiency effect.
The voltage of motor 2 is 12V or 24V, belongs to safe voltage, meets " electric industry safety code "；After motor power line is drawn outside desulfurizing tower, concentrate and carry out joining power supply the quantity that controls to put into operation；The separate unit power of motor is less than 100W, it is possible to decrease the number of units energy-conservation of coming into operation of slurry circulating pump.
The number of plies of silk ribbon 6 is 1～4 layer, and the length of silk ribbon is in the range of 0.5～1.5m；Peripheral speed >=the 160m/s of silk ribbon outer rim, and upwards flue gas flow rate≤15m/s, downward serosity injection flow velocity≤15m/s；Can select with space etc. according to the size of desulfurizing tower；Strengthening the coming into operation of disturbance mass-transfer zone, can according to the coming into operation of spraying layer, boiler load, desulfuration efficiency situation up to standard carries out multilamellar or monolayer comes into operation, lower floor's effect is slightly better than upper strata.
The above is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a boiler flue gas desulfurization strengthening disturbance mass transfer apparatus, it is characterized in that: include fixed hook (1) and the motor (2) being installed under boiler flue desulfuring towers spraying layer support beam, described fixed hook (1) is arranged at motor (2) top, the output shaft of described motor (2) bottom is rotary shaft (3), rotary shaft (3) afterbody is provided with drive plate (4), being fixed with nail silk disk (5) on described drive plate (4), the outer rim of nail silk disk (5) is provided with some silk ribbons (6).
2. boiler flue gas desulfurization strengthening disturbance mass transfer apparatus as claimed in claim 1, it is characterised in that: described motor (2) is heatproof, corrosion-resistant, waterproof, the low voltage, high-speed motor of small-power type.
3. boiler flue gas desulfurization strengthening disturbance mass transfer apparatus as claimed in claim 1, it is characterized in that: in described rotary shaft (3), be disposed with 1 layer or Multi-layer transmission dish (4), every layer of drive plate (4) is provided with nail silk disk (5) and silk ribbon (6).
4. boiler flue gas desulfurization strengthening disturbance mass transfer apparatus as claimed in claim 1, it is characterized in that: described boiler flue gas desulfurization strengthening disturbance mass transfer apparatus is multiple, district is arranged in the strengthening disturbance that is evenly arranged and is installed in desulfurizing tower, described strengthening disturbance arrange district be positioned at desulfurizing tower spraying layer below.
5. boiler flue gas desulfurization strengthening disturbance mass transfer apparatus as claimed in claim 1, it is characterised in that: described fixed hook (1) passes through glass cord and high temperature resistant alicyclic vinyl glass flake plasticine, and flexible suspension is in spraying layer support beam.
6. boiler flue gas desulfurization strengthening disturbance mass transfer apparatus as claimed in claim 1, it is characterised in that: described silk ribbon (6) is securedly mounted to follow closely on silk disk (5) by screw.
7. boiler flue gas desulfurization strengthening disturbance mass transfer apparatus as claimed in claim 1, it is characterised in that: the nylon that material is Centrifugal cord type lawn-mower of described silk ribbon (6) is beaten the grass rope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105876.7U CN205412657U (en) | 2016-02-02 | 2016-02-02 | Boiler flue gas desulfurization reinforces disturbance mass transfer device |
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| CN201620105876.7U CN205412657U (en) | 2016-02-02 | 2016-02-02 | Boiler flue gas desulfurization reinforces disturbance mass transfer device |
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| CN205412657U true CN205412657U (en) | 2016-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536496A (en) * | 2016-02-02 | 2016-05-04 | 江苏宁绿节能环保有限公司 | Intensified disturbance mass transferring device and method for desulfurization of boiler flue gas |
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2016
- 2016-02-02 CN CN201620105876.7U patent/CN205412657U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536496A (en) * | 2016-02-02 | 2016-05-04 | 江苏宁绿节能环保有限公司 | Intensified disturbance mass transferring device and method for desulfurization of boiler flue gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20180202 |