CN110980843A - Dry crystallization device of flue gas desulfurization waste water in advance of coal power plant - Google Patents
Dry crystallization device of flue gas desulfurization waste water in advance of coal power plant Download PDFInfo
- Publication number
- CN110980843A CN110980843A CN201911121080.5A CN201911121080A CN110980843A CN 110980843 A CN110980843 A CN 110980843A CN 201911121080 A CN201911121080 A CN 201911121080A CN 110980843 A CN110980843 A CN 110980843A
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- China
- Prior art keywords
- waste water
- crystallization
- flue gas
- power plant
- wall
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
Abstract
The invention discloses a coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device which comprises a crystallizing shell and a wastewater tank, wherein the crystallizing shell and the wastewater tank are both arranged at the top of a base, a smoke conveying pipe is arranged at the top of the crystallizing shell, the crystallizing shell and the wastewater tank are connected through a steam pipe, a motor is arranged at the top of the wastewater tank, a crystal collecting box is arranged on the base on the outer wall of one side of the bottom end of the crystallizing shell, an installation frame is arranged inside the smoke conveying pipe, a clamping strip is arranged on the top surface of the installation frame, an atomizer is arranged on the inner wall of the top surface of the crystallizing shell, and an adsorption stone is arranged in an installation groove formed in the inner wall of the crystallizing shell. According to the invention, the smoke conveying pipe is arranged, so that high-temperature coal power plant smoke can be introduced into the device, the temperature in the smoke is effectively utilized to carry out rapid drying treatment on the waste water steam, an electric energy heating mode is not required, and the electric energy is greatly saved.
Description
Technical Field
The invention belongs to the technical field of coal-electricity wastewater drying crystallization, and particularly relates to a coal power plant flue gas pre-desulfurization wastewater drying crystallization device.
Background
Water resource shortage and water environment pollution become important problems restricting the development of socioeconomic in China, and pollutants in smoke are enriched into solid waste and waste water in the smoke treatment of a power plant. Wherein the impurities contained in the wastewater mainly comprise suspended matters, supersaturated sulfite, sulfate and heavy metals, many of which are the first pollutants which are strictly controlled in the national environmental protection standard, and the desulfurization wastewater has the effect of deep treatment,
at present, technologies such as membrane filtration and MVR are adopted, the construction cost and the operating cost of the technologies are high, and therefore a flue gas pre-desulfurization wastewater drying and crystallizing device which is good in using effect and convenient to use is needed to effectively treat wastewater.
Disclosure of Invention
The invention aims to provide a drying and crystallizing device for flue gas pre-desulfurization wastewater of a coal power plant, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a coal power plant flue gas desulfurization waste water drying crystallization device in advance comprises a crystallization shell and a waste water tank, wherein the crystallization shell and the waste water tank are both arranged at the top of a base, a smoke conveying pipe is arranged at the top of the crystallization shell, the crystallization shell and the waste water tank are connected through a steam pipe, a motor is arranged at the top of the waste water tank, a crystal collecting box is arranged on the base on the outer wall of one side of the bottom end of the crystallization shell, a mounting frame is arranged inside the smoke conveying pipe, a clamping strip is arranged on the top surface of the mounting frame, an atomizer is arranged on the inner wall of the top surface of the crystallization shell, an adsorption stone is arranged in a mounting groove formed in the inner wall of the crystallization shell, an electric heating pipe a is arranged in the shell of the crystallization shell, a material receiving base is arranged on the inner wall of the bottom surface, the utility model discloses a waste water tank, including material receiving base, bellows, the internally mounted of bellows has the vortex fan, the (mixing) shaft of installation on the output of motor, the (mixing) shaft passes and extends to the inside of waste water tank, and the externally mounted of (mixing) shaft has stirring vane, install the drain pan on the bottom surface inner wall of waste water tank, the internally mounted of drain pan has electrothermal tube b, the silo has been seted up to the top surface that connects the material base, motor, atomizer, electrothermal tube an, vortex fan and electrothermal tube b all with external power supply electric connection.
Preferably, a water inlet pipe is arranged on the outer wall of one side of the waste water tank.
Preferably, a filter screen is arranged on the inner frame wall of the mounting frame.
Preferably, one end of the clamping strip extends to the outer end of the smoke conveying pipe.
Preferably, the input end of the atomizer is interconnected with a steam pipe.
Preferably, one side of the adsorption stone is positioned on the inner wall of the crystallization machine shell and is provided with a protective net at a position close to the turbulent flow fan.
Preferably, four material troughs are formed in parallel, and the outer surface of each material trough is provided with a protective film.
Preferably, two of the spoiler fans are symmetrically installed about a longitudinal center axis of the air box.
Compared with the prior art, the invention has the beneficial effects that:
1. through install defeated tobacco pipe on the device to can let in the coal power plant flue gas of high temperature to the device in, thereby effectively utilize the temperature in the flue gas to carry out rapid draing to waste water steam and handle, need not the mode that passes through electric energy heating entirely, practice thrift the electric energy greatly.
2. Through installing the filter screen that can have the card strip in defeated tobacco pipe, the filter screen can carry out effective filtration to some granule suspended solids of the doping in the high temperature flue gas, prevents the influence of suspended solids to the crystallization process, and is convenient for clear up fast, change.
3. Through install the vortex fan in the device, the vortex fan can carry out the quick disturbance mixed flow to the high temperature air current in the device in work to the drying efficiency of waste water steam has been improved greatly.
4. The inclined plane through installing the silo in the device connects the material base, and is provided with the protection film on the silo, but the surperficial frictional force of greatly reduced silo of protection film to the crystalline particles thing that produces can be along in the silo automatic flow collection box, has realized the automatic discharging function.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the smoke tube of the present invention;
FIG. 3 is a schematic view of the internal structure of the crystallization cabinet of the present invention;
FIG. 4 is a rear view of the crystallization housing of the present invention;
FIG. 5 is a schematic view showing the internal structure of the waste water tank of the present invention;
fig. 6 is a schematic structural view of the receiving base of the present invention.
In the figure: 1. a smoke conveying pipe; 2. a crystal enclosure; 3. a steam pipe; 4. a motor; 5. a wastewater tank; 6. a water inlet pipe; 7. a base; 8. a crystallized matter collecting box; 9. a filter screen; 10. installing a frame; 11. clamping the strip; 12. an atomizer; 13. an electric heating tube a; 14. adsorbing the stone; 15. a protective net; 16. a material receiving base; 17. an air box; 18. a turbulent fan; 19. a stirring shaft; 20. a stirring blade; 21. a bottom case; 22. an electric heating tube b; 23. a trough; 24. and (4) a protective film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the invention provides a coal power plant flue gas pre-desulfurization wastewater drying crystallization device, which comprises a crystallization casing 2 and a wastewater tank 5, wherein the crystallization casing 2 and the wastewater tank 5 are both installed on the top of a base 7, a flue gas conveying pipe 1 is installed on the top of the crystallization casing 2, high-temperature coal power plant flue gas can be introduced into the device through the installation of the flue gas conveying pipe 1, so that the temperature in the flue gas is effectively utilized to carry out rapid drying treatment on wastewater steam, the electric energy is greatly saved without a mode of heating by electric energy, the crystallization casing 2 is connected with the wastewater tank 5 through a steam pipe 3, a motor 4 is installed on the top of the wastewater tank 5, a crystal collecting box 8 is installed on the base 7 on the outer wall of one side of the bottom end of the crystallization casing 2, an installation frame 10 is installed inside the flue gas conveying pipe 1, a clamping strip 11 is installed on the top surface of the installation frame 10, an atomizer 12, an adsorption stone 14 is arranged in a mounting groove formed in the inner wall of the crystallization case 2, the adsorption stone 14 can be made of silicon carbide particles, an electric heating tube a13 is arranged in the case of the crystallization case 2, a material receiving base 16 is arranged on the inner wall of the bottom surface of the crystallization case 2, an air box 17 is arranged on the outer wall of the back surface of the crystallization case 2, a turbulent flow fan 18 is arranged in the air box 17, the turbulent flow fan 18 can quickly disturb and mix high-temperature air flow in the device in work by installing the turbulent flow fan 18, so that the drying efficiency of waste water steam is greatly improved, a stirring shaft 19 is arranged on the output end of the motor 4, the stirring shaft 19 penetrates through and extends to the interior of the waste water tank 5, stirring blades 20 are arranged outside the stirring shaft 19, a bottom case 21 is arranged on the inner wall of the bottom surface of the waste water tank 5, an electric heating tube b, the motor 4, the atomizer 12, the electric heating tube a13, the turbulent fan 18 and the electric heating tube b22 are all electrically connected with an external power supply, the model of the motor 4 can be IH6PF6N-19, the model of the atomizer 12 can be NE-C802, the models of the electric heating tube a13 and the electric heating tube b22 can be FCD-HM50GI (E), and the model of the turbulent fan 18 can be D6BAA 73.
The water inlet pipe 6 is installed on the outer wall of one side of the waste water tank 5, the waste water of the coal power plant is conveniently added into the waste water tank 5 by installing the water inlet pipe 6, the filter screen 9 is installed on the inner frame wall of the installation frame 10, some particle suspended matters doped in high-temperature flue gas can be effectively filtered by installing the filter screen 9, the influence of the suspended matters on the crystallization process is prevented, one end of the clamping strip 11 extends to the outer end of the smoke conveying pipe 1, the installation frame 10 is conveniently and quickly taken out through the clamping strip 11, the filter screen 9 is convenient to clean and replace, the input end of the atomizer 12 is mutually connected with the steam pipe 3, the waste steam in the steam pipe 3 can be effectively input into the atomizer 12 and is effectively atomized, the protective screen 15 is installed at the position, close to the turbulent fan 18, on one side of the adsorption stone 14, the protective screen 15 is installed on the, four have been seted up in the silo 23 parallel, and be provided with protection film 24 on the surface of silo 23, through installing protection film 24 to greatly reduced the frictional force on silo 23 surface, thereby the crystallized crystal can pile up the outflow along silo 23, realized the automatic discharging function, two are installed about the vertical center pin symmetry of bellows 17 to vortex fan 18, and two vortex fans 18 have effectively improved the vortex effect.
The working principle and the using process of the invention are as follows:
sufficient waste water is added into a waste water tank 5 through a water inlet pipe 6, a motor 4 and an electric heating pipe b22 are started, the motor 4 drives a stirring shaft 19 to rotate, a stirring blade 20 quickly stirs the waste water, the electric heating pipe b22 raises the temperature of the waste water until the waste water generates waste water steam, the waste water steam enters an atomizer 12 in a crystallizer through a steam pipe 3, the waste water steam is atomized through the centrifugal action of the atomizer 12, high-temperature coal power plant flue gas is introduced into a smoke conveying pipe 1, the flue gas is filtered through a filter screen 9, particle suspended matters in the flue gas are filtered, the high-temperature flue gas enters a crystallizer shell 2 to effectively dry the waste water steam, an adsorption stone 14 can adsorb harmful gases in the high-temperature flue gas, the electric heating pipe a13 is started to continuously raise the temperature in the device, sulfate substance crystallization salt-forming crystal particles in the waste water steam fall into, because friction is minimum on the protective film 24, because connect the material base 16 to be the tilting, then when the crystallization granule piles up a certain amount, can automatic landing to storing in the crystal thing collecting box 8, regularly open the crystallizer, effectively clear up the crystallization granule that is stained with and attaches in connecing material base 16 other positions, and regularly take out installing frame 10 through card strip 11, clear up fast, change filter screen 9.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a coal power plant flue gas is dry crystallization device of desulfurization waste water in advance, includes crystallization casing (2) and waste water tank (5), its characterized in that: the crystallization device is characterized in that the crystallization machine shell (2) and the waste water tank (5) are installed at the top of the base (7), the top of the crystallization machine shell (2) is provided with a smoke conveying pipe (1), the crystallization machine shell (2) and the waste water tank (5) are connected through a steam pipe (3), the top of the waste water tank (5) is provided with a motor (4), a crystal collecting box (8) is installed on the base (7) on the outer wall of one side of the bottom end of the crystallization machine shell (2), an installation frame (10) is installed inside the smoke conveying pipe (1), a clamping strip (11) is installed on the top surface of the installation frame (10), an atomizer (12) is installed on the inner wall of the top surface of the crystallization machine shell (2), an adsorption stone (14) is arranged in an installation groove formed in the inner wall of the crystallization machine shell (2), and an electric heating pipe a (13), install on the bottom surface inner wall of crystallization casing (2) and connect material base (16), install bellows (17) on the back outer wall of crystallization casing (2), the internally mounted of bellows (17) has vortex fan (18), (mixing) shaft (19) of installation on the output of motor (4), (mixing) shaft (19) pass and extend to the inside of waste water tank (5), and the externally mounted of (mixing) shaft (19) has stirring vane (20), install drain pan (21) on the bottom surface inner wall of waste water tank (5), the internally mounted of drain pan (21) has electrothermal tube b (22), connect the top surface of material base (16) to seted up silo (23), motor (4), atomizer (12), electrothermal tube a (13), vortex fan (18) and electrothermal tube b (22) all with external power supply electric connection.
2. The coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device of claim 1, characterized in that: and a water inlet pipe (6) is arranged on the outer wall of one side of the waste water tank (5).
3. The coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device of claim 1, characterized in that: and a filter screen (9) is arranged on the inner frame wall of the mounting frame (10).
4. The coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device of claim 1, characterized in that: one end of the clamping strip (11) extends to the outer end of the smoke conveying pipe (1).
5. The coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device of claim 1, characterized in that: the input end of the atomizer (12) is connected with the steam pipe (3).
6. The coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device of claim 1, characterized in that: one side of the adsorption stone (14) is positioned on the inner wall of the crystallization machine shell (2) and is provided with a protective net (15) at a position close to the turbulent flow fan (18).
7. The coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device of claim 1, characterized in that: four material troughs (23) are arranged in parallel, and a protective film (24) is arranged on the outer surface of each material trough (23).
8. The coal power plant flue gas pre-desulfurization wastewater drying and crystallizing device of claim 1, characterized in that: two turbulent flow fans (18) are symmetrically arranged around the longitudinal central axis of the air box (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121080.5A CN110980843A (en) | 2019-11-15 | 2019-11-15 | Dry crystallization device of flue gas desulfurization waste water in advance of coal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121080.5A CN110980843A (en) | 2019-11-15 | 2019-11-15 | Dry crystallization device of flue gas desulfurization waste water in advance of coal power plant |
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| CN110980843A true CN110980843A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911121080.5A Pending CN110980843A (en) | 2019-11-15 | 2019-11-15 | Dry crystallization device of flue gas desulfurization waste water in advance of coal power plant |
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| CN109485114A (en) * | 2019-01-11 | 2019-03-19 | 众阿美科福斯特惠勒工程有限公司 | A kind of processing unit and method of catalytic cracking unit desulfurization wastewater and flue gas thermal coupling |
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| CN101417827A (en) * | 2007-10-26 | 2009-04-29 | 余乐 | Technique method for processing desulphurization waste water |
| WO2011102848A1 (en) * | 2010-02-17 | 2011-08-25 | Katana Energy Llc | Zero discharge water desalination plant with minerals extraction integrated with natural gas combined cycle power generation |
| EP2689821B1 (en) * | 2011-03-22 | 2018-05-23 | Mitsubishi Hitachi Power Systems, Ltd. | Exhaust gas processing system and method |
| CN102489136B (en) * | 2011-12-16 | 2013-12-25 | 国电环境保护研究院 | Flue gas desulfurizing waste water recovering process and device |
| KR20140060669A (en) * | 2012-11-12 | 2014-05-21 | 대우조선해양 주식회사 | Desalination system for power plant using combined cycle |
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Application publication date: 20200410 |