CN218687795U - Dust collector of thermal power plant flue gas desulfurization workshop section - Google Patents

Abstract

The utility model discloses a dust collector of flue gas desulfurization workshop section of thermal power plant, including bottom case and treatment tower, the left bottom mounting of bottom case has the outlet, the left top of bottom case is fixed with the water inlet. This flue gas desulfurization device of thermal power plant passes through the device in-process that uses, with the flue gas through the leading-in inside back to fixed case of the left connecting pipe of fixed case, vertical dust filter screen that is provided with in the inside of fixed case, can get into before the device at the flue gas, dust granule etc. that contain in the flue gas filters the back of getting rid of, the flue gas after will removing dust again through the air duct of intercommunication is leading-in to the inside treatment fluid of under casing, can handle some harmful substance that dissolve in water, later with the form of bubble again leading-in to carrying out desulfurization treatment in the treatment tower from the upper portion of treatment fluid, through removing dust to the flue gas and handling, can reduce the dust volume that gets into to the device inside, the problem of dust filtration treatment in the flue gas of being not convenient for has been solved.

Description

Dust collector of thermal power plant flue gas desulfurization workshop section

Technical Field

The utility model relates to a flue gas dust removal technical field specifically is a dust collector of thermal power plant's flue gas desulfurization workshop section.

Background

The thermal power plant is a large-scale plant for producing electric energy by using coal and other combustible materials as fuels, a large amount of flue gas is generated along with the combustion of the fuels in the process of generating electricity, and a flue gas desulfurization device is required to be used for carrying out harmless treatment on the flue gas in order to meet the emission requirement.

According to patent number 202122079907.X, application date 2021.08.31, disclose a flue gas desulfurization device of thermal power plant, through adopting two sets of modes that set up water bath filtration in the middle of spraying the filtration, make the flue gas can cool down, remove dust, the desulfurization, play good filter effect, reduce subsequent processing technology or can directly reach emission standard, but flue gas desulfurization device of thermal power plant is when handling the flue gas that discharges at the in-process of in-service use, the inside of flue gas contains a large amount of dust particles, direct leading-in carries out the processing procedure to the device is inside, lead to the inside accumulation of dust filth of device easily, be difficult to handle, and can accelerate the life of the inside processing liquid of device, consequently, need one kind can carry out filtration treatment's structure to the dust in the flue gas and solve foretell defect, improve the treatment effect of flue gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust collector of thermal power plant's flue gas desulfurization workshop section to provide the problem that is not convenient for carry out filtration treatment to dust in the flue gas in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dust removal device for a flue gas desulfurization workshop section of a thermal power plant comprises a bottom box (2) and a treatment tower (7), wherein a water outlet (1) is fixed on the bottom box (2), a water inlet (3) is fixed on the bottom box (2), the treatment tower (7) is connected with a fixed box (4), an annular water storage tank (9) is arranged inside the treatment tower (7), a plurality of groups of atomizing nozzles (8) are arranged in the annular water storage tank (9), a partition plate (10) is arranged in the treatment tower (7), two groups of activated carbon filter layers (12) are arranged inside the treatment tower (7), an exhaust fan (13) is fixed at the top end of the treatment tower (7), a water guide pipe (14) is arranged on the bottom box (2), the bottom end of the water guide pipe (14) penetrates through the top end of the bottom box (2) and extends into the bottom box (2), and a fixed plate (20) is fixed on the water guide pipe (14); the dust filter is characterized in that a slot (6) is formed in the fixed box (4), the fixed box (4) is fixed with an air guide pipe (5), a dust filter screen (16) is inserted into the slot (6), and the fixed box (4) is fixed with a connecting pipe.

According to the dust removal device for the flue gas desulfurization section of the thermal power plant, a water pump (15) is arranged on the water guide pipe (14), and the water guide pipe (14) is communicated with the inside of the annular water storage tank (9); the fixed box (4) is communicated with the inside of the air guide pipe (5), and the slot (6) is communicated with the inside of the fixed box (4); the top of the inside both sides of treatment tower (7) is fixed with fixing base (11) respectively, the both sides of active carbon filter layer (12) are fixed with inserted block (18), the top and the bottom of fixing base (11) one side are provided with socket (17) respectively.

According to the dust removal device for the flue gas desulfurization working section of the thermal power plant, two ends of the socket (17) respectively penetrate through two ends of the fixed seat (11); the fixing plate (20) is provided with a connecting head (21), the water guide pipe (14) is connected with a filter cylinder (23), the top end of the filter cylinder (23) is fixedly provided with a connecting seat (22), and the connecting seat (22) is provided with a connecting port (19); the outside of connector (21) is provided with the external screw thread, connector (19) have with the internal thread of external screw thread adaptation.

Advantageous effects

The flue gas desulfurization device of the thermal power plant not only realizes the convenience of filtering the dust in the flue gas and the deep treatment of other harmful substances in the flue gas, but also realizes the convenience of filtering the internal impurities in the process of recycling the internal treatment liquid;

(1) By arranging the air duct, the treatment tower, the fixed box and the dust filter screen, in the using process of the device, after the flue gas is guided into the fixed box through the connecting pipe on the left side of the fixed box, the dust filter screen is vertically arranged in the fixed box, dust particles and the like contained in the flue gas can be filtered and removed before the flue gas enters the device, then the flue gas after dust removal treatment is guided into the treatment liquid in the bottom box through the communicated air duct, some harmful substances dissolved in water can be treated, then the flue gas is guided into the treatment tower from the upper part of the treatment liquid in a bubble form for desulfurization treatment, and the dust removal treatment is carried out on the flue gas, so that the dust amount entering the device can be reduced;

(2) By arranging the activated carbon filter layers, the fixed seat, the inserting ports and the inserting blocks, when the device is used for carrying out desulfurization treatment on flue gas, the flue gas is guided into the treatment tower, then the water pump is started to pump out slaked lime treatment liquid in the bottom box and the slaked lime treatment liquid is guided into the annular water storage tank through the water guide pipe, then the treatment liquid is atomized and sprayed out by a plurality of groups of atomizing nozzles annularly arranged at the bottom end of the annular water storage tank at equal intervals and is mixed with the flue gas and chemically reacted with sulfur dioxide in the flue gas to form calcium sulfite to remove sulfur dioxide in the flue gas, after the flue gas desulfurization treatment, the calcium sulfite is pumped to the top end in the treatment tower through the exhaust fan, meanwhile, two groups of activated carbon filter layers are arranged at the top end of the treatment tower, and after further adsorption treatment on other harmful substances such as nitrogen in the flue gas, the other harmful substances are discharged through the exhaust fan, and the treatment effect of the flue gas is improved;

(3) Through being provided with aqueduct, connector, fixed plate, connector, connecting seat and straining a section of thick bamboo, the device is when using, and the inside treatment fluid of under casing is at the in-process of recycling, is provided with at the outside bottom of aqueduct and strains a section of thick bamboo, when using the aqueduct to take out the treatment fluid use, and the section of thick bamboo of setting can carry out filtration treatment to impurity granule etc. in the inside treatment fluid of under casing, reduces to get into to the inside particle impurity of water pump, reduces the wearing and tearing in the water pump use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a side view partially sectional enlarged schematic view of the dust filter of the present invention;

FIG. 3 is an enlarged front view of a partial section of the activated carbon filter layer according to the present invention;

fig. 4 is an enlarged partial cross-sectional view of the point a in fig. 1 according to the present invention.

In the figure: 1. a water outlet; 2. a bottom box; 3. a water inlet; 4. a fixed box; 5. an air duct; 6. a slot; 7. a treatment tower; 8. an atomizing spray head; 9. an annular water storage tank; 10. a partition plate; 11. a fixed seat; 12. an active carbon filter layer; 13. an exhaust fan; 14. a water conduit; 15. a water pump; 16. a dust filter screen; 17. a socket; 18. inserting a block; 19. a connecting port; 20. a fixing plate; 21. a connector; 22. a connecting seat; 23. a filter cartridge.

Detailed Description

Example 1: referring to fig. 1-4, a dust removal device for a flue gas desulfurization section of a thermal power plant comprises a bottom case 2 and a treatment tower 7, wherein a water outlet 1 is fixed at the bottom end of the left side of the bottom case 2, a water inlet 3 is fixed at the top end of the left side of the bottom case 2, the treatment tower 7 is vertically fixed at the top end of the bottom case 2, a fixed case 4 is fixed at the bottom end of the left side of the treatment tower 7, an annular water storage tank 9 is fixed inside the treatment tower 7, a plurality of groups of atomizing nozzles 8 are fixed at the bottom end of the annular water storage tank 9 at equal intervals in an annular manner, a partition plate 10 is fixed at the top end inside the treatment tower 7, two groups of activated carbon filter layers 12 are arranged at the top end inside the treatment tower 7, an exhaust fan 13 is fixed at the top end of the treatment tower 7, a water guide pipe 14 is arranged on the right side of the top end of the bottom case 2 in a penetrating manner, the bottom end of the water guide pipe 14 extends to one side of the bottom end inside the bottom case 2, and a fixed plate 20 is fixed at the bottom end outside the water guide pipe 14;

a slot 6 is arranged in the front end of the fixed box 4, an air duct 5 is fixed on the right side of the fixed box 4, a dust filter screen 16 is connected in the slot 6 in an inserted manner, and a connecting pipe is fixed on the left side of the fixed box 4;

the right side of the air duct 5 respectively penetrates through the left side of the treatment tower 7 and the top end of the bottom box 2 and extends to the bottom end of the inside of the bottom box 2, the fixed box 4 is communicated with the inside of the air duct 5, and the slot 6 is communicated with the inside of the fixed box 4;

specifically, as shown in fig. 1 and 2, in the using process of the device, after the flue gas is guided into the fixed box 4 through the connecting pipe on the left side of the fixed box 4, the dust filtering net 16 is vertically arranged in the fixed box 4, dust particles and the like contained in the flue gas can be filtered and removed before the flue gas enters the device, then the flue gas after dust removal treatment is guided into the treatment liquid in the bottom box 2 through the communicated air duct 5, some harmful substances dissolved in water can be treated, then the flue gas is guided into the treatment tower 7 from the upper part of the treatment liquid in the form of bubbles to be subjected to desulfurization treatment, and the amount of dust entering the device can be reduced by performing dust removal treatment on the flue gas.

Example 2:

in the apparatus described in embodiment 1, the fixed seats 11 are fixed to the top ends of the two sides inside the treatment tower 7, the insertion blocks 18 are fixed to the two sides of the activated carbon filter layer 12, the insertion holes 17 are respectively formed in the top end and the bottom end of one side of the fixed seat 11, the two ends of the insertion holes 17 respectively penetrate through the two ends of the fixed seat 11, and the insertion holes 17 are symmetrically arranged about the horizontal center line of the fixed seat 11;

specifically, as shown in fig. 1 and fig. 3, when the device is used for desulfurization treatment of flue gas, after the flue gas is introduced into the treatment tower 7, the hydrated lime treatment liquid in the bottom box 2 is pumped out by starting the water pump 15 and is introduced into the annular water storage tank 9 through the water guide pipe 14, then the treatment liquid is atomized and sprayed out by the multiple groups of atomizing nozzles 8 annularly arranged at equal intervals at the bottom end of the annular water storage tank 9, the treatment liquid is mixed with the flue gas and chemically reacts with the sulfur dioxide in the flue gas to form calcium sulfite to remove the sulfur dioxide in the flue gas, after the flue gas desulfurization treatment, the treatment liquid is pumped to the top end in the treatment tower 7 through the exhaust fan 13, meanwhile, after the top end of the treatment tower 7 is provided with two groups of activated carbon filter layers 12, the treatment liquid can further adsorb and treat other harmful substances such as nitrogen in the flue gas, and then the treated flue gas is discharged through the exhaust fan 13, and the treatment effect of the flue gas is improved.

Example 3:

in the device described in embodiment 1 or 2, a connector 21 is fixed at the bottom end of the fixing plate 20, a filter cartridge 23 is arranged at the bottom end outside the water guide pipe 14, a connecting seat 22 is fixed at the top end of the filter cartridge 23, a connecting port 19 is arranged inside the top end of the connecting seat 22, an external thread is arranged outside the connector 21, and an internal thread matched with the external thread is arranged inside the connecting port 19;

specifically, as shown in fig. 1 and 4, when the device is used, the bottom end outside the water conduit 14 is provided with the filter cartridge 23 during the recycling process of the treatment liquid in the bottom box 2, and when the water conduit 14 is used for pumping out the treatment liquid, the filter cartridge 23 can filter impurity particles and the like in the treatment liquid in the bottom box 2, so that particle impurities entering the water pump 15 are reduced, and the abrasion of the water pump 15 during the use process is reduced.

The water guide pipe 14 is provided with a water pump 15, the top end of the water guide pipe 14 penetrates through the right side of the treatment tower 7 and is fixedly connected with the right side of the annular water storage tank 9, and the water guide pipe 14 is communicated with the inside of the annular water storage tank 9.

The working principle is as follows: when the utility model is used, after the flue gas is guided into the fixed box 4 through the connecting pipe at the left side of the fixed box 4, a dust filter 16 is vertically arranged in the fixed box 4, before the flue gas enters the device, filtering and removing dust particles and the like contained in the flue gas, then leading the flue gas after dust removal treatment into the treatment liquid in the bottom box 2 through the communicated air duct 5, some harmful substances dissolved in water can be treated and then introduced into the treating tower 7 from the upper part of the treating liquid in the form of bubbles for desulfurization treatment, and when the device is used for desulfurization treatment of flue gas, after the flue gas is guided into the treatment tower 7, a water pump 15 is started to pump out slaked lime treatment liquid in the bottom box 2 and guide the slaked lime treatment liquid into the annular water storage tank 9 through a water guide pipe 14, then a plurality of groups of atomizing nozzles 8 which are annularly arranged at equal intervals at the bottom end of the annular water storage tank 9 atomize and spray the treatment liquid, mixing with the flue gas, carrying out chemical reaction with sulfur dioxide in the flue gas to form calcium sulfite to remove the sulfur dioxide in the flue gas, carrying out desulfurization treatment on the flue gas, pumping the flue gas to the top end inside the treatment tower 7 through the exhaust fan 13, meanwhile, two groups of active carbon filter layers 12 are arranged at the top end of the treatment tower 7, so that after some harmful substances such as nitrogen and the like in the flue gas are further adsorbed, then discharged by the exhaust fan 13, and when the device is used, the treatment liquid in the bottom box 2 is recycled, a filter cartridge 23 is provided at the bottom end of the outside of the water introduction pipe 14, and when the water introduction pipe 14 is used to draw out the treatment liquid for use, the filter cartridge 23 can filter impurity particles in the treatment liquid in the bottom box 2, and reduces abrasion of the particle impurities entering the water pump 15 to the water pump 15 in the use process.

Claims (3)

1. The utility model provides a dust collector of thermal power plant's flue gas desulfurization workshop section, includes bottom case (2) and treating tower (7), its characterized in that: the water treatment device is characterized in that a water outlet (1) is fixed on the bottom box (2), a water inlet (3) is fixed on the bottom box (2), a treatment tower (7) is fixed on the bottom box (2), the treatment tower (7) is connected with a fixed box (4), an annular water storage tank (9) is arranged inside the treatment tower (7), a plurality of groups of atomizing nozzles (8) are arranged in the annular water storage tank (9), a partition plate (10) is arranged in the treatment tower (7), two groups of activated carbon filter layers (12) are arranged inside the treatment tower (7), an exhaust fan (13) is fixed at the top end of the treatment tower (7), a water guide pipe (14) is arranged on the bottom box (2), the bottom end of the water guide pipe (14) penetrates through the top end of the bottom box (2) and extends into the bottom box (2), and a fixed plate (20) is fixed on the water guide pipe (14); the dust filter is characterized in that a slot (6) is formed in the fixed box (4), the fixed box (4) is fixed with an air guide pipe (5), a dust filter screen (16) is inserted into the slot (6), and the fixed box (4) is fixed with a connecting pipe.

2. The dust removing device for the flue gas desulfurization workshop section of the thermal power plant as recited in claim 1, characterized in that: a water pump (15) is arranged on the water guide pipe (14), and the water guide pipe (14) is communicated with the inside of the annular water storage tank (9); the fixed box (4) is communicated with the inside of the air guide pipe (5), and the slot (6) is communicated with the inside of the fixed box (4); the top of the inside both sides of treatment tower (7) is fixed with fixing base (11) respectively, the both sides of active carbon filter layer (12) are fixed with inserted block (18), the top and the bottom of fixing base (11) one side are provided with socket (17) respectively.

3. The dust removing device for the flue gas desulfurization workshop section of the thermal power plant as recited in claim 2, characterized in that: two ends of the socket (17) respectively penetrate through two ends of the fixed seat (11); the fixing plate (20) is provided with a connecting head (21), the water guide pipe (14) is connected with a filter cylinder (23), the top end of the filter cylinder (23) is fixedly provided with a connecting seat (22), and the connecting seat (22) is provided with a connecting port (19); the outside of connector (21) is provided with the external screw thread, connector (19) have with the internal thread of external screw thread adaptation.

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