CN205011520U - Flue gas desulfurization of thermal power factory pretreatment of water device that gives up - Google Patents
Flue gas desulfurization of thermal power factory pretreatment of water device that gives up Download PDFInfo
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- CN205011520U CN205011520U CN201520717215.5U CN201520717215U CN205011520U CN 205011520 U CN205011520 U CN 205011520U CN 201520717215 U CN201520717215 U CN 201520717215U CN 205011520 U CN205011520 U CN 205011520U
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Abstract
The utility model relates to a flue gas desulfurization of thermal power factory pretreatment of water device that gives up, criticize the formula reactor, criticize solution tank that the formula reactor is connected with the preface, pass through charge device A that pipeline A and preface wholesale formula reactor be connected, pass through the charge device B that pipeline B and solution tank are connected including the preface, the preface is criticized formula reactor portion and is equipped with cavity A and cavity B, and inside the setting respectively of this cavity A and cavity B is prevented stifled aeration pipe A and is prevented stifled aeration pipe B to be connected with the fan of outside, cavity A is connected with the waste water pump, and the water installation is strained to inside setting of cavity B. The utility model has the advantages of: flue gas desulfurization of thermal power factory pretreatment of water device that gives up mainly includes preface wholesale formula reactor, solution tank, charge device A and charge device B to realize intaking in the formula reactor is criticized to the preface, sediment and drainage three stages, the in -process of intaking simultaneously adds the medicine to be handled, the drainage gets into adds hydrochloric acid behind the solution tank and carries out the neutralization and obtain the finished product, the structure sets up simply and rationally.
Description
Technical field
The utility model relates to a kind of Coalsteam plant with FGD sewage pretreatment device, belongs to environment protection and water resources rational use technical field.
Background technology
The sulfurous gas of industrial discharge is the principal pollutant of China's air, and sulfurous gas is a kind of poisonous gas, is again one of major incentive of acid rain formation.Clear stipulaties in " 12 " target for energy-saving and emission-reduction task that State Council determines, by 2015, national sulfur dioxide emissions total amount declined 8% than 2010.According to the statistics of " Environmental statistics annual report in 2013 ", national sulfur dioxide emissions total amount 2043.9 ten thousand tons in 2013, wherein the sulphur dioxide emission in fuel-burning power plant are according to first, account for 38.3% of total release.Therefore, the flue gas desulfurization in fuel-burning power plant always is the emphasis of prevention and control of air pollution." the prevention and control of air pollution action plan " within 2013, put into effect proposes more strict requirement to sulfur dioxide emissions, also promotes the fast development of Coalsteam plant with FGD industry.By the end of the year 2014, put into operation flue gas desulphurization unit capacity about 7.6 hundred million kilowatts in the whole nation, account for 92.1% of national coal group of motors capacity.
It is low that fuel-burning power plant desulfurization wastewater has PH, the high and feature that particle is little of suspension content, usually also containing pollutents such as heavy metal, muriate, vitriol.For desulfurization wastewater process, China has introduced limestone vegetation-sulfide precipitation-flocculating settling " three headers " process system when introducing flue gas desulfurization technique simultaneously, and this technique generally adopts in the process of fuel-burning power plant desulfurization wastewater at home at present.But find in practical application that the method exists many defects, mainly comprise: (1) system complex, wastewater treatment completes in independently four reactors, and configuration lime, acid, flocculation agent, coagulant aids, organosulfur etc. overlap chemicals dosing plant more; (2) all adopt mechanical stirring device, rotary machine fault is many; (3) due to the characteristic of desulfurization wastewater, Structure Phenomenon is serious, causes the problems such as blocking serious; (4) when desulfurization wastewater solid content is high, during more than 1%, system treatment effect is not good; (5) medicine system is unreliable, and three header PH abilities of regulation and control are poor.Therefore be badly in need of simple, the rational in infrastructure and Coalsteam plant with FGD sewage pretreatment device that treatment effect is excellent of a kind of system of development, through retrieval, do not find the same or analogous technical scheme with the utility model.
Utility model content
The technical problems to be solved in the utility model is to provide simple, the rational in infrastructure and Coalsteam plant with FGD sewage pretreatment device that treatment effect is excellent of a kind of system.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of Coalsteam plant with FGD sewage pretreatment device, and its innovative point is: comprise sequencing batch reactor, the filtered water tank be connected with sequencing batch reactor, the chemicals dosing plant A be connected with sequencing batch reactor by pipeline A, the chemicals dosing plant B that is connected with filtered water tank by pipeline B;
Described sequencing batch reactor comprises the inner cavity A that separated by dividing plate A of reactor body, reactor body and cavity B, the waste water pump strained water device, be connected with cavity A be arranged in cavity B; Described reactor body is hollow form, and middle inside installs a dividing plate A, and dividing plate A top arranges an overflow port; One sludge bucket A is set bottom described cavity A, a mud discharging mouth A is set bottom sludge bucket A; Arrange a sludge bucket B bottom described cavity B, arrange a mud discharging mouth B bottom sludge bucket B, described sludge bucket B upper end arranges mounting plate, and mounting plate arranges permanent seat; Described strain water device comprise be arranged on reactor body top water decanter motor, be arranged on permanent seat top strain water pipe and rising pipe, be arranged on strain water pipe end strain water tank; Described water pipe of straining is hinged on permanent seat, and is connected with water decanter motor; Described rising pipe with strain water pipe and be connected, and extend to outside cavity B;
Described filtered water tank is connected with rising pipe, and middle inside arranges an agitator;
Described chemicals dosing plant A comprises the medicine retention tank, screw rod conveyor, solution measures case and the dosing pump A that are connected successively by pipeline A, and the other end of described pipeline A is connected with cavity A;
Described chemicals dosing plant B comprises the hydrochloric acid batch meter and dosing pump B that are connected successively by pipeline B, and the other end of described pipeline B is connected with filtered water tank;
Further, arrange an anti-blocking aeration tube A in described cavity A, arrange an anti-blocking aeration tube B in cavity B, reactor body outer setting one blower fan, described blower fan is connected with anti-blocking aeration tube A and anti-blocking aeration tube B.
Further, described sludge bucket B upper end arranges dividing plate B near the side of dividing plate A, forms a flowing lumen between described dividing plate A and dividing plate B.
Further, described sludge bucket B sets out the mouth of a river on the sidewall of flowing lumen side.
Further, described cavity B middle inside arranges a mud scraper.
The utility model has the advantage of:
(1) Coalsteam plant with FGD sewage pretreatment device mainly comprises sequencing batch reactor, filtered water tank, chemicals dosing plant A and chemicals dosing plant B, and in sequencing batch reactor, realize water inlet, precipitation and draining three phases, in water inlet process, carry out agent-feeding treatment simultaneously, draining adds hydrochloric acid and carries out neutralization and obtain finished product after entering filtered water tank, vibrational power flow is simple and reasonable, this device can arrange many groups simultaneously, ensures the continuity of work.
(2) arrange an anti-blocking aeration tube A in cavity A, arrange an anti-blocking aeration tube B, and be connected with a blower fan, effectively can realize pneumatic blending in cavity B, such that churning time is short, efficiency is high, anti-blocking aeration tube has super low energy consumption simultaneously, safety and environmental protection.
(3) sludge bucket B upper end arranges dividing plate B near the side of dividing plate A, a flowing lumen is formed between dividing plate A and dividing plate B, sludge bucket B sets out the mouth of a river on the sidewall of flowing lumen side, make the liquid in cavity A flow out laggard flowing lumen of crossing from the overflow port dividing plate A to enter in cavity B from water outlet, vibrational power flow is reasonable.
(4) cavity B middle inside arranges a mud scraper, and can effectively strike off the throw out be deposited in bottom sludge bucket B, and be discharged by mud discharging mouth B, working efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Coalsteam plant with FGD sewage pretreatment device of the utility model.
Fig. 2 is the structural representation of the cavity B of a kind of Coalsteam plant with FGD sewage pretreatment device of the utility model.
Embodiment
As depicted in figs. 1 and 2, the utility model discloses a kind of Coalsteam plant with FGD sewage pretreatment device, comprise sequencing batch reactor, the filtered water tank 12 be connected with sequencing batch reactor, the chemicals dosing plant A be connected with sequencing batch reactor by pipeline A1, the chemicals dosing plant B that is connected with filtered water tank 12 by pipeline B31.
Sequencing batch reactor comprises the cavity A4 that separated by dividing plate A32 in reactor body 2, reactor body 2 inside and cavity B6, be arranged on straining water device, the waste water pump 3 be connected with cavity A4 and being arranged on the blower fan 19 of reactor body 1 outside in cavity B6; Reactor body 2 is in hollow form, and middle inside installs a dividing plate A32, and dividing plate A32 top arranges an overflow port 20; Arrange anti-blocking aeration tube A7 inside cavity 4A, bottom arranges a sludge bucket A8, arranges a mud discharging mouth A9 bottom sludge bucket A8; Anti-blocking aeration tube B24 is set inside cavity B6, middle part arranges mud scraper 23, bottom arranges sludge bucket B22, this sludge bucket B22 upper end arranges dividing plate B33 near the side of dividing plate A32, form a flowing lumen 5 between dividing plate A32 and dividing plate B33, sludge bucket B22 sets out the mouth of a river 21 on the sidewall of flowing lumen 5 side, and bottom arranges a mud discharging mouth B10, sludge bucket B22 upper end arranges mounting plate 25 simultaneously, mounting plate 25 is arranged permanent seat 26; Strain water device comprise be arranged on reactor body 2 top water decanter motor 30, be arranged on permanent seat 26 top strain water pipe 28 and rising pipe 27, be arranged on strain water pipe 28 end strain water tank 29; Strain water pipe 28 to be hinged on permanent seat 26, and be connected with water decanter motor 30; Rising pipe 27 with strain water pipe 28 and be connected, and extend to outside cavity B6; The blower fan 19 being arranged on reactor body 2 outside is connected with anti-blocking aeration tube A7 and anti-blocking aeration tube B24.
Filtered water tank 12 is connected with rising pipe 27, and middle inside arranges an agitator 11.
Chemicals dosing plant A comprises the medicine retention tank 17, screw rod conveyor 16, solution measures case 15 and the dosing pump A18 that are connected successively by pipeline A1, and the other end of pipeline A1 is connected with cavity A4.
Chemicals dosing plant B comprises the hydrochloric acid batch meter 14 and dosing pump B13 that are connected successively by pipeline B31, and the other end of pipeline B31 is connected with filtered water tank 14.
During the work of Coalsteam plant with FGD sewage pretreatment device, first waste water enters in cavity A4 by waste water pump 3, the medicine be simultaneously stored in medicine retention tank 17 is delivered to solution measures case 15 by screw rod conveyor 16, and enter in cavity A4 by dosing pump A18, after waste water and medicine enter, blower fan 19 drives and anti-blocking aeration tube A7 is worked, carry out pneumatic blending, in the process constantly stirred, waste water and medicine constantly add in cavity A4, when water level reaches overflow port 20 height, liquid flows out from overflow port 20, by flowing lumen 5, and enter cavity B6 by the water outlet 21 bottom sludge bucket B22, anti-blocking aeration tube B24 now in cavity B6 works, constantly carry out pneumatic blending, shut-down operation after stirring certain hour, make solution precipitation, when obtaining throw out and supernatant liquor, water decanter motor 30 works, make to strain water pipe 28 to rotate around permanent seat 26, now strain water tank 29 also to move downward, supernatant liquor enters strains water tank 29 and through straining water pipe 28 and rising pipe 27 flow to filtered water tank 12, then the hydrochloric acid in hydrochloric acid batch meter 14 enters filtered water tank 12 through dosing pump B13, by agitator 11 and supernatant liquor and stir, can obtain finished product.
More than show and describe ultimate principle of the present utility model and principal character.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a Coalsteam plant with FGD sewage pretreatment device, is characterized in that: comprise sequencing batch reactor, the filtered water tank be connected with sequencing batch reactor, the chemicals dosing plant A be connected with sequencing batch reactor by pipeline A, the chemicals dosing plant B that is connected with filtered water tank by pipeline B;
Described sequencing batch reactor comprises the inner cavity A that separated by dividing plate A of reactor body, reactor body and cavity B, the waste water pump strained water device, be connected with cavity A be arranged in cavity B; Described reactor body is hollow form, and middle inside installs a dividing plate A, and dividing plate A top arranges an overflow port; One sludge bucket A is set bottom described cavity A, a mud discharging mouth A is set bottom sludge bucket A; Arrange a sludge bucket B bottom described cavity B, arrange a mud discharging mouth B bottom sludge bucket B, described sludge bucket B upper end arranges mounting plate, and mounting plate arranges permanent seat; Described strain water device comprise be arranged on reactor body top water decanter motor, be arranged on permanent seat top strain water pipe and rising pipe, be arranged on strain water pipe end strain water tank; Described water pipe of straining is hinged on permanent seat, and is connected with water decanter motor; Described rising pipe with strain water pipe and be connected, and extend to outside cavity B;
Described filtered water tank is connected with rising pipe, and middle inside arranges an agitator;
Described chemicals dosing plant A comprises the medicine retention tank, screw rod conveyor, solution measures case and the dosing pump A that are connected successively by pipeline A, and the other end of described pipeline A is connected with cavity A;
Described chemicals dosing plant B comprises the hydrochloric acid batch meter and dosing pump B that are connected successively by pipeline B, and the other end of described pipeline B is connected with filtered water tank.
2. Coalsteam plant with FGD sewage pretreatment device according to claim 1, it is characterized in that: an anti-blocking aeration tube A is set in described cavity A, one anti-blocking aeration tube B is set in cavity B, reactor body outer setting one blower fan, described blower fan is connected with anti-blocking aeration tube A and anti-blocking aeration tube B.
3. Coalsteam plant with FGD sewage pretreatment device according to claim 1, is characterized in that: described sludge bucket B upper end arranges dividing plate B near the side of dividing plate A, forms a flowing lumen between described dividing plate A and dividing plate B.
4. Coalsteam plant with FGD sewage pretreatment device according to claim 1, is characterized in that: described sludge bucket B sets out the mouth of a river on the sidewall of flowing lumen side.
5. Coalsteam plant with FGD sewage pretreatment device according to claim 1, is characterized in that: described cavity B middle inside arranges a mud scraper.
Priority Applications (1)
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CN201520717215.5U CN205011520U (en) | 2015-09-17 | 2015-09-17 | Flue gas desulfurization of thermal power factory pretreatment of water device that gives up |
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CN201520717215.5U CN205011520U (en) | 2015-09-17 | 2015-09-17 | Flue gas desulfurization of thermal power factory pretreatment of water device that gives up |
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CN201520717215.5U Expired - Fee Related CN205011520U (en) | 2015-09-17 | 2015-09-17 | Flue gas desulfurization of thermal power factory pretreatment of water device that gives up |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105110509A (en) * | 2015-09-17 | 2015-12-02 | 南通海容热能环境工程有限公司 | Flue gas desulfurization wastewater pretreatment device for thermal power plant |
CN105923824A (en) * | 2016-06-01 | 2016-09-07 | 沈蓉蓉 | Double-barrel type sewage treatment device |
-
2015
- 2015-09-17 CN CN201520717215.5U patent/CN205011520U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105110509A (en) * | 2015-09-17 | 2015-12-02 | 南通海容热能环境工程有限公司 | Flue gas desulfurization wastewater pretreatment device for thermal power plant |
CN105923824A (en) * | 2016-06-01 | 2016-09-07 | 沈蓉蓉 | Double-barrel type sewage treatment device |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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CP03 | Change of name, title or address |
Address after: 226000 Jiangsu mayor of Nantong Road No. 695 Patentee after: Jiangsu Hairong Thermal AND Environmental Engineering Co., Ltd. Address before: 226000 Jiangsu, Nantong, Gangzha District, North Ring Road, No. 438 Patentee before: Nantong Hairong Heat Energy Environmental Engineering Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20170917 |
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CF01 | Termination of patent right due to non-payment of annual fee |