CN217662487U

CN217662487U - Flue gas desulfurization device for thermal power plant

Info

Publication number: CN217662487U
Application number: CN202123341727.0U
Authority: CN
Inventors: 王文林; 高林波; 赵建刚; 李磊; 杨鹏飞; 赵东升
Original assignee: Hohhot Kelin Thermal Power Co Ltd
Current assignee: Hohhot Kelin Thermal Power Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-28
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a flue gas desulfurization device for thermal power plants, which comprises a collecting mechanism, a dust collecting box, a fixed sleeve and a fan, wherein the dust collecting box is arranged at the lower end of the right side of a spray box; the stirring mechanism comprises a stirring tank and is arranged at the front end of the top of the spraying box. The utility model discloses beneficial effect does: through setting up the spray box, be used for the storage to need desulfurated flue gas, through setting up the dust collection box, be used for collecting the precipitate that produces after spraying, through setting up fixed cover, the effect of placing and supporting the reference column has been played, through setting up the fan, be used for the flue gas discharge after will handling, through setting up the agitator tank, the medicament that the storage needs the stirring has been played, it is poor to have solved the most desulfurization effect of flue gas desulphurization unit for thermal power plant at present stage, make harmful substance such as the inside sulfur dioxide of flue gas can't clear away, still can cause the problem of pollution to the environment after directly discharging.

Description

Flue gas desulfurization device for thermal power plant

Technical Field

The utility model relates to a flue gas treatment technical field, especially a flue gas desulfurization device is used in thermal power plant.

Background

A heat power plant for short is a plant for producing electric energy by using combustible materials as fuel, and the basic production process of the plant is that the fuel heats water to generate steam when burning, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, a prime motor is usually a steam engine or a gas turbine, internal combustion engines can be used in smaller power stations, the internal combustion engines can be used for generating power by using pressure drop in the process that high-temperature and high-pressure steam or gas is converted into low-pressure air or condensed water through the turbine, environmental pollutants such as sulfur dioxide, dust and the like can be generated in the power production process, most of flue gas desulfurization devices for the heat power plant at the present stage have poor desulfurization effect, harmful substances such as sulfur dioxide and the like in the flue gas cannot be removed, and the environment can be polluted after the flue gas is directly discharged, and therefore the flue gas desulfurization device for the heat power plant is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or the problems in the existing flue gas desulfurization apparatus for thermal power plants.

Therefore, the utility model aims to solve the problem that the most desulfurization effect of flue gas desulfurization device is poor for thermal power plant at present stage for harmful substance such as the inside sulfur dioxide of flue gas can't be clear away, still can cause the pollution to the environment after directly discharging.

In order to solve the technical problem, the utility model provides a following technical scheme: a flue gas desulfurization device for a thermal power plant comprises a collecting mechanism, a gas-liquid separation mechanism and a gas-liquid separation mechanism, wherein the collecting mechanism comprises a spraying box, a dust collecting box arranged at the lower end of the right side of the spraying box, a fixed sleeve arranged at the lower end of the front side of the spraying box and a fan arranged at the rear end of the top of the spraying box;

the stirring mechanism comprises a stirring tank, a front end arranged at the top of the spraying box, a protective box arranged at the center of the top of the stirring tank, a motor arranged at the top of an inner cavity of the protective box, and a liquid injection pipe arranged at the front end of the top of the stirring tank;

the spraying mechanism comprises a water pump, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are arranged at the center of the top of the spraying box, and the water inlet end and the water outlet end of the water pump are respectively provided with the water inlet pipe and the water outlet pipe.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: the spraying box comprises a smoke inlet pipe, a front face arranged on the spraying box and sliding grooves arranged on two sides of the spraying box.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: the dust collecting box comprises a filter screen, supporting plates arranged at the top of the dust collecting box, supporting plates arranged at two sides of the dust collecting box, and positioning holes arranged at one side of the supporting plates far away from the dust collecting box.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: the fixed cover includes the spacing groove, set up in the both sides of fixed cover inner chamber, set up in the reference column of fixed cover inner chamber, set up in the stopper of spacing inslot chamber, and set up in the spring at the stopper back.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: one side, far away from the inner cavity of the limiting groove, of the limiting block is fixedly connected with the positioning column, the rear end of the spring is fixedly connected with the inner wall of the limiting groove, and the rear end of the positioning column extends to the inner cavity of the positioning hole and is movably connected with the inner cavity of the positioning hole.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: the fan includes intake pipe and blast pipe, set up in the air inlet and the gas outlet of fan.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: one end of the air inlet pipe, which is far away from the fan, penetrates through the inner cavity of the spraying box, and one side, which is far away from the dust collecting box, of the supporting plate extends to the inner cavity of the sliding groove and is movably connected with the inner cavity of the sliding groove.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: the motor includes the stirring post, set up in the output shaft of motor to and set up in the stirring frame on stirring post surface.

As a thermal power plant uses flue gas desulfurization device's an optimal selection scheme, wherein: the outlet pipe includes the honeycomb duct, set up in the outlet pipe is kept away from the one end of water pump, and set up in the atomizer of honeycomb duct bottom.

The utility model discloses beneficial effect does: through setting up the spray box, be used for the storage to need desulfurated flue gas, through setting up the dust collection box, be used for collecting the precipitate that produces after spraying, through setting up fixed cover, the effect of placing and supporting the reference column has been played, through setting up the fan, be used for the flue gas discharge after will handling, through setting up the agitator tank, the medicament that the storage needs the stirring has been played, through setting up the protective housing, the effect of protection and fixed motor has been played, through setting up the motor, provide power for the rotation of agitator column, annotate the liquid pipe through setting up, be convenient for the staff pours into the inside of medicament into to the agitator tank into, through setting up the water pump, the medicament after will mixing the stirring has been played and has been carried to the effect of spray box inside, through setting up inlet tube and outlet pipe, be used for transmitting the medicament, it is poor with the most desulfurization effect of flue gas desulfurization device to have solved present stage thermal power plant, make harmful substance such as the inside sulfur dioxide of flue gas can's unable cleaing away, still can cause the problem of environmental pollution after directly discharging.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is an overall configuration diagram of a flue gas desulfurization apparatus for a thermal power plant.

Fig. 2 is a sectional structure view of a spray box of the flue gas desulfurization apparatus for a thermal power plant.

Fig. 3 is an explosion structure view of a dust collecting box and a filter screen of the flue gas desulfurization device for a thermal power plant.

Fig. 4 is an explosion structure diagram of the fixing sleeve and the positioning column of the flue gas desulfurization device for the thermal power plant.

Fig. 5 is a sectional view of the protective box of the flue gas desulfurization apparatus for a thermal power plant.

FIG. 6 is a sectional view of a stirring tank of the flue gas desulfurization apparatus for a thermal power plant.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other ways of implementing the invention may be devised different from those described herein, and it will be apparent to those skilled in the art that the invention can be practiced without departing from the spirit and scope of the invention.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, 2 and 5, for the first embodiment of the present invention, this embodiment provides a flue gas desulfurization device for thermal power plant, which comprises a collecting mechanism 100, including a spraying box 101, a dust collecting box 102 disposed at the lower end of the right side of the spraying box 101, a fixing sleeve 103 disposed at the lower end of the front surface of the spraying box 101, and a fan 104 disposed at the rear end of the top of the spraying box 101.

Rabbling mechanism 200 includes agitator tank 201, sets up in the front end at spray tank 101 top, sets up in the guard box 202 of agitator tank 201 top center department, sets up in the motor 203 at guard box 202 inner chamber top to and set up in the notes liquid pipe 204 of agitator tank 201 top front end.

Spraying mechanism 300, including water pump 301, set up in the center department at spray tank 101 top, and set up in water inlet pipe 302 and outlet pipe 303 of water pump 301 intake end and play water end, through setting up spray tank 101, be used for saving the flue gas that needs the desulfurization, through setting up dust collection box 102, be used for collecting the precipitate that produces after spraying, through setting up fixed cover 103, the effect of placing and supporting reference column 103b has been played, through setting up fan 104, be used for discharging the flue gas after handling, through setting up agitator tank 201, the medicament that the storage needs the stirring has been played, through setting up protective housing 202, the effect of protection and fixed motor 203 has been played, through setting up motor 203, provide power for agitator tank 203 a's rotation, through setting up notes liquid pipe 204, be convenient for the staff pours into the medicament into the inside to agitator tank 201 into, through setting up water pump 301, the medicament after having played and having mixed the stirring is carried to the inside effect of spray tank 101, through setting up inlet pipe 302 and outlet pipe 303, be used for transmitting the medicament, the problem of flue gas power plant desulfurization effect is poor for flue gas desulfurization device for thermal power generation most, make the most of the inside sulfur dioxide discharge, can's harmful substance still cause the pollution to the direct environmental pollution after the removal after the stirring is solved at present stage.

When the device is used, firstly, the medicament and water are injected into the stirring tank 201 through the liquid injection pipe 204, then the motor 203 is started through the external controller, the output shaft of the motor 203 drives the stirring column 203a to rotate, the stirring column 203a drives the stirring frame 203b to rotate and stir and mix the medicament and the water, then the smoke inlet pipe 101a is communicated with the flue gas to be desulfurized, the flue gas is transmitted into the spraying box 101 through the smoke inlet pipe 101a, the water pump 301 is started through the external controller, the medicament in the stirring tank 201 is transmitted into the atomizing nozzle 303b through the water inlet pipe 302, the water outlet pipe 303 and the guide pipe 303a by the water pump 301, the medicament is atomized and sprayed into the flue gas by the atomizing nozzle 303b, precipitates generated by mixing the medicament and pollutants such as sulfur dioxide fall into the dust collection box 102 and are collected, and then the fan 104 is started through the external controller to discharge the treated flue gas.

Example 2

Referring to fig. 1 to 4, in order to illustrate the second embodiment of the present invention, this embodiment is based on the previous embodiment:

specifically, the spray box 101 includes a smoke inlet pipe 101a, a chute 101b disposed on the front of the spray box 101 and on both sides of the spray box 101, and the smoke inlet pipe 101a is disposed for conveying smoke into the spray box 101.

Specifically, the dust collecting box 102 includes a filter screen 102a, a support plate 102b disposed on the top of the dust collecting box 102, two sides of the dust collecting box 102, and a positioning hole 102c disposed on one side of the support plate 102b away from the dust collecting box 102, the filter screen 102a is used for filtering precipitates, and the chute 101b is matched with the support plate 102b for supporting and limiting the dust collecting box 102.

Preferably, the fixing sleeve 103 comprises a limiting groove 103a, two sides arranged in an inner cavity of the fixing sleeve 103, a positioning column 103b arranged in the inner cavity of the fixing sleeve 103, a limiting block 103c arranged in the inner cavity of the limiting groove 103a, and a spring 103d arranged on the back of the limiting block 103c, and is used for limiting the positioning column 103b through the matching of the limiting groove 103a and the limiting block 103c, and through the matching of the positioning column 103b and the positioning hole 102c, the clamping and fixing of the dust collection box 102 in the spraying box 101 is achieved, and through the arrangement of the spring 103d, the positioning column 103b can move to the inner clamping of the positioning hole 102c under the reset elastic force of the spring 103 d.

Preferably, one side of the limiting block 103c, which is far away from the inner cavity of the limiting groove 103a, is fixedly connected with the positioning column 103b, the rear end of the spring 103d is fixedly connected with the inner wall of the limiting groove 103a, and the rear end of the positioning column 103b extends to the inner cavity of the positioning hole 102c and the inner cavity of the positioning hole 102c is movably connected.

Preferably, the blower 104 includes an inlet pipe 104a and an outlet pipe 104b, and an inlet and an outlet provided in the blower 104, and the inlet pipe 104a and the outlet pipe 104b are provided to discharge the treated gas to the outside.

Preferably, one end of the air inlet pipe 104a, which is far away from the fan 104, penetrates through the inner cavity of the spraying box 101, and one side of the supporting plate 102b, which is far away from the dust collecting box 102, extends to the inner cavity of the chute 101b and is movably connected with the inner cavity of the chute 101 b.

When the dust collection box 102 is used, after sediment falls to the surface of the filter screen 102a, the filter screen 102a intercepts particle impurities in the sediment, liquid falls to the interior of the dust collection box 102 for storage, so that the liquid and the pollutant impurities are separated, when the dust collection box 102 needs to be cleaned, the positioning column 103b is pulled outwards at first, the fixing sleeve 103 moves and is separated from the positioning hole 102c, the positioning column 103b drives the limiting block 103c to move, the limiting block 103c stretches the spring 103d and enables the spring 103d to deform, then the dust collection box 102 is pulled outwards and is separated from the spraying box 101, and meanwhile, the supporting plate 102b is driven to move in the chute 101b when the dust collection box 102 moves, so that the dust collection box 102 is detached.

Example 3

Referring to fig. 1, 2 and 6, for a third embodiment of the present invention, this embodiment is based on the first two embodiments:

specifically, the motor 203 includes a stirring rod 203a, an output shaft disposed on the motor 203, and a stirring frame 203b disposed on the surface of the stirring rod 203a, and the stirring rod 203a and the stirring frame 203b are matched to stir and mix the medicament.

Preferably, the water outlet pipe 303 includes a flow guide pipe 303a, is disposed at one end of the water outlet pipe 303 far from the water pump 301, and is disposed at the atomizer 303b at the bottom of the flow guide pipe 303a, and is used for spraying the medicament into the flue gas through the cooperation of the flow guide pipe 303a and the atomizer 303 b.

Preferably, both ends of the draft tube 303a are fixedly connected with the inner wall of the spray box 101.

When using, outlet pipe 303 starts the back, and outlet pipe 303 carries the inside to inlet tube 302 with the inside medicament after mixing of agitator tank 201, and the medicament transmits to the inside of outlet pipe 303 through inlet tube 302, and the medicament passes through outlet pipe 303 and transmits to the inside of honeycomb duct 303a after that, then the medicament transmits to atomizer 303 b's inside and sprays the flue gas through honeycomb duct 303a to this sprays the medicament and mixes the clearance to the pollutant in the flue gas.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a thermal power plant uses flue gas desulphurization unit which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the collection mechanism (100) comprises a spray box (101), a dust collection box (102) arranged at the lower end of the right side of the spray box (101), a fixing sleeve (103) arranged at the lower end of the front side of the spray box (101), and a fan (104) arranged at the rear end of the top of the spray box (101);

the stirring mechanism (200) comprises a stirring tank (201), a front end arranged at the top of the spraying box (101), a protective box (202) arranged at the center of the top of the stirring tank (201), a motor (203) arranged at the top of an inner cavity of the protective box (202), and a liquid injection pipe (204) arranged at the front end of the top of the stirring tank (201);

the spraying mechanism (300) comprises a water pump (301), a water inlet pipe (302) and a water outlet pipe (303), wherein the water inlet pipe (302) and the water outlet pipe are arranged at the center of the top of the spraying box (101), and the water inlet pipe (302) and the water outlet pipe are arranged at the water inlet end and the water outlet end of the water pump (301).

2. The flue gas desulfurization apparatus for a thermal power plant according to claim 1, characterized in that: the spraying box (101) comprises a smoke inlet pipe (101 a), a front face arranged on the spraying box (101), and sliding grooves (101 b) arranged on two sides of the spraying box (101).

3. The flue gas desulfurization apparatus for a thermal power plant according to claim 2, characterized in that: the dust collection box (102) comprises a filter screen (102 a), a support plate (102 b) arranged at the top of the dust collection box (102), support plates (102 b) arranged at two sides of the dust collection box (102), and a positioning hole (102 c) arranged at one side of the support plate (102 b) far away from the dust collection box (102).

4. The flue gas desulfurization apparatus for a thermal power plant according to claim 3, characterized in that: the fixed sleeve (103) comprises a limiting groove (103 a), two sides of the inner cavity of the fixed sleeve (103), a positioning column (103 b) arranged in the inner cavity of the fixed sleeve (103), a limiting block (103 c) arranged in the inner cavity of the limiting groove (103 a), and a spring (103 d) arranged at the back of the limiting block (103 c).

5. The flue gas desulfurization device for a thermal power plant according to claim 4, characterized in that: one side, far away from the inner cavity of the limiting groove (103 a), of the limiting block (103 c) is fixedly connected with the positioning column (103 b), the rear end of the spring (103 d) is fixedly connected with the inner wall of the limiting groove (103 a), the rear end of the positioning column (103 b) extends to the inner cavity of the positioning hole (102 c), and the inner cavity of the positioning hole (102 c) is movably connected with the positioning column.

6. The flue gas desulfurization apparatus for thermal power plants according to claim 4 or 5, characterized in that: the fan (104) comprises an air inlet pipe (104 a), an air outlet pipe (104 b), an air inlet and an air outlet which are arranged on the fan (104).

7. The flue gas desulfurization device for a thermal power plant according to claim 6, characterized in that: one end, far away from the fan (104), of the air inlet pipe (104 a) penetrates through the inner cavity of the spraying box (101), and one side, far away from the dust collection box (102), of the supporting plate (102 b) extends to the inner cavity of the sliding groove (101 b) and is movably connected with the inner cavity of the sliding groove (101 b).

8. The flue gas desulfurization device for a thermal power plant according to claim 7, characterized in that: the motor (203) comprises a stirring column (203 a), an output shaft arranged on the motor (203), and a stirring frame (203 b) arranged on the surface of the stirring column (203 a).

9. The flue gas desulfurization apparatus for a thermal power plant according to claim 7 or 8, characterized in that: the outlet pipe (303) includes honeycomb duct (303 a), set up in outlet pipe (303) is kept away from the one end of water pump (301) and set up in atomizer (303 b) of honeycomb duct (303 a) bottom.

10. The flue gas desulfurization apparatus for a thermal power plant according to claim 9, characterized in that: both ends of the flow guide pipe (303 a) are fixedly connected with the inner wall of the spraying box (101).