CN218047263U - Flue gas desulfurization equipment for coal-fired unit - Google Patents
Flue gas desulfurization equipment for coal-fired unit Download PDFInfo
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- CN218047263U CN218047263U CN202022299895.7U CN202022299895U CN218047263U CN 218047263 U CN218047263 U CN 218047263U CN 202022299895 U CN202022299895 U CN 202022299895U CN 218047263 U CN218047263 U CN 218047263U
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- filter screen
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Abstract
The utility model provides a flue gas desulfurization equipment for coal-fired unit, including purifying box and dust removal box, the utility model discloses a be provided with the dust removal box, the dust removal box sets up in the entrance of purifying box, and the inside of dust removal box is provided with filter screen two, during the use, the flue gas gets into the filtration that needs to pass through the dust removal box before purifying box, filters the dusty flue gas in two pairs of dust removal boxes through the filter screen, makes the particulate matter content in the flue gas reduce, has alleviateed the condition that the lime wash water fog concentration that the particulate matter leads to reduces to more efficient desulfurization effect has been obtained.
Description
Technical Field
The utility model relates to a flue gas purification equipment technical field, concretely relates to flue gas desulfurization equipment for coal-fired unit.
Background
The coal-fired generating set is equipment for converting heat energy generated during coal combustion into electric energy through a generating device, and is a traditional generating mode, but a large amount of dust-containing gas can be generated during direct coal combustion, and the dust-containing gas also contains a large amount of sulfur dioxide gas, so that acid rain and dust pollution are easily caused during direct discharge, and currently, people commonly use desulfurization equipment to treat flue gas;
when the sulfur dioxide gas in the flue gas is neutralized by using lime water, a large amount of calcium sulfate precipitates insoluble in water are generated in the traditional flue gas desulfurization equipment, and when the precipitates are accumulated in the equipment, pipelines of the equipment are easy to block, so that the equipment is inconvenient to use;
to the transformation of flue gas desulfurization equipment for coal-fired units, there have been related technical schemes, such as patent application number: 201721032661.8, application date 2017, 08 and 17, the invention and creation name is as follows: the utility model provides a flue gas purification equipment for middle-size and small-size coal fired boiler, the filter screen is installed to clarification plant box inner chamber, and the filter screen is in spray tray below, and clarification plant box left side center department installs the air intake, and air intake center department installs the draught fan, and its weak point lies in: when the flue gas contains a large amount of particulate matters such as dust, the flue gas is directly discharged into a purifying equipment box body, the dust and atomized lime water are combined into larger water drops and the larger water drops fall on the bottom of the purifying equipment box body, so that the concentration of lime water mist in the purifying box body is reduced, and incomplete desulfurization is caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses when aiming at containing the dust in solving the flue gas, the dust can dilute lime wash water smoke and lead to the incomplete condition of clarification plant desulfurization, simultaneously, uses the precipitate that the lime wash desulfurization produced to block up the filter screen easily, leads to the flue gas can't pass the filter screen and carry out the technical problem that reacts with lime wash, provides a flue gas desulfurization equipment for coal-fired unit.
In order to achieve the above object, the utility model provides a following technical scheme:
a flue gas desulfurization apparatus for a coal fired unit, comprising: the dust removal box body is fixedly connected to the left lower corner of the purification box body;
the purifying box body comprises: the device comprises a first air inlet pipe, a through hole, an electric push rod, a brush, a support, a control module, a water storage tank, a second air inlet pipe, a blow-off pipe, a chimney, an active carbon adsorption layer, a baffle plate, a spray disc and a first filter screen, wherein the first air inlet pipe is embedded in the left lower side of the purification tank body;
the dust removal box body comprises: the dust removal box comprises a dust removal box body, and is characterized by comprising a third air inlet pipe, a groove and a second filter screen, wherein the third air inlet pipe is embedded in the left side of the dust removal box body, the groove is formed in the top of the dust removal box body, and the second filter screen is embedded in the groove.
Preferably, one side of the first air inlet pipe, which is far away from the purification box body, is embedded in the right side of the dust removal box body.
Preferably, electric putter's output runs through the through-hole setting, electric putter's one end fixed connection in the lateral surface that purifies the box is kept away from to the support.
Preferably, the second air inlet pipe is arranged above the first filter screen.
Preferably, the first filter screen and the sewage discharge pipe are both obliquely arranged, and the upper surface of the first filter screen and the inner wall of the opening of the sewage discharge pipe are arranged in the same plane.
Preferably, the brush and the electric push rod are arranged obliquely, the inclination angle of the brush and the inclination angle of the electric push rod are the same as that of the first filter screen, and the bristles of the brush are tightly attached to the upper surface of the first filter screen.
Preferably, the spraying disc is communicated with the water storage tank through a pipeline, and the bottom of the spraying disc is provided with nozzles distributed at equal intervals.
In a preferred embodiment of the method of the invention,
has the advantages that:
(1) The utility model discloses a be provided with the dust removal box, the dust removal box sets up in the entrance that purifies the box, and the inside of dust removal box is provided with filter screen two, during the use, the flue gas gets into the filtration that needs through the dust removal box before purifying the box, filters through the dusty flue gas in the filter screen two pairs of dust removal boxes, makes the particulate matter content in the flue gas reduce, has alleviateed the condition that the lime wash water mist concentration that the particulate matter leads to reduces to more efficient desulfurization effect has been obtained.
(2) Secondly, through being provided with electric putter and brush, the brush closely laminates in the upper surface setting of filter screen one, electric putter sets up and is used for driving the brush in the left side of brush and clears up filter screen one, during the use, electric putter drives the upper surface removal of brush along filter screen one, clears up the impurity of filter screen one upper surface through the brush, reduce the condition that the filtration pore is blockked up of filtering in the filter screen one, make the flue gas can freely pass filter screen one and react with lime wash, the normal clear of desulfurization work has been ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic view of the local structure of the dust-removing box of the present invention.
Fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
Fig. 4 is an enlarged schematic structural diagram of the position B in fig. 1 of the present invention.
Description of the reference numerals
The device comprises a purification box body 1, a first air inlet pipe 101, a through hole 102, an electric push rod 103, a brush 104, a support 105, a control module 106, a water storage tank 107, a second air inlet pipe 108, a drain pipe 109, a chimney 110, an activated carbon adsorption layer 111, a baffle plate 112, a spraying disc 113, a first filter screen 114, a dust removal box body 2, a third air inlet pipe 201, a groove 202 and a second filter screen 203.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the embodiment of the present invention, as shown in fig. 1 to 4, a flue gas desulfurization apparatus for a coal-fired unit includes: the dust removal box body 2 is fixedly connected to the lower left corner of the purification box body 1;
the purifying case 1 includes: the device comprises a first air inlet pipe 101, a through hole 102, an electric push rod 103, a brush 104, a support 105, a control module 106, a water storage tank 107, a second air inlet pipe 108, a drain pipe 109, a chimney 110, an activated carbon adsorption layer 111, a baffle plate 112, a spraying disc 113 and a first filter screen 114, wherein the first air inlet pipe 101 is embedded in the left lower part of the purification box 1, the through hole 102 is formed in the left center of the purification box 1, the electric push rod 103 is embedded in the through hole 102, the brush 104 is fixedly connected to the output end of the electric push rod 103, the support 105 is fixedly connected to the outer side of the electric push rod 103, the control module 106 is fixedly connected to the left upper part of the purification box 1, the water storage tank 107 is fixedly connected to the right upper part of the purification box 1, the second air inlet pipe 108 is embedded in the right middle part of the purification box 1, the drain pipe 109 is embedded in the right lower part of the purification box 1, the chimney 110 is fixedly connected to the top of the purification box 1, the activated carbon adsorption layer 111 is arranged above the inner part of the chimney 110, the baffle plate 112 is embedded in the inner lower part of the chimney 110, the spraying disc 113 is arranged above the inner part of the purification box 1, and the filter screen 114 is arranged below the inner part of the purification box 1;
the dust removal box body 2 includes: the dust removal box comprises a third air inlet pipe 201, a groove 202 and a second filter screen 203, wherein the third air inlet pipe 201 is embedded in the left side of the dust removal box body 2, the groove 202 is formed in the top of the dust removal box body 2, and the second filter screen 203 is embedded in the groove 202.
Preferably, one side of the first air inlet pipe 101, which is far away from the purifying box body 1, is embedded in the right side of the dedusting box body 1, and the dedusted gas in the dedusting box body 2 is injected into the purifying box body 1 through the first air inlet pipe 101.
The preferred of this embodiment, electric putter 103's output runs through the setting of through-hole 102, and electric putter 103's one end fixed connection is kept away from to support 105 in the lateral surface that purifies box 1, drives brush 104 through electric putter 103 and removes along the upper surface of filter screen 114, clears up filter screen 114 through brush 104, clears away the precipitate on filter screen 114, supports and fixes electric putter 103 through support 105, has ensured electric putter 103's normal use.
Preferably, the second air inlet pipe 108 is arranged above the first filter screen 112, and the second air inlet pipe 108 is used for injecting air into the purification box body 1, and nitrogen monoxide in the flue gas is oxidized into nitrogen dioxide through oxygen in the air, so that the nitrogen dioxide is neutralized into calcium nitrate through lime water in the water storage tank 107, and the denitration effect is achieved.
Preferably, filter screen 114 and blow off pipe 109 are the slope setting, the upper surface of filter screen 114 and the open-ended inner wall of blow off pipe 109 set up in the coplanar, after the chemical reaction takes place for sulfur dioxide and nitrogen dioxide in the lime wash water fog and the flue gas that spray tray 113 spun, calcium sulfate precipitate and calcium nitrate precipitate that produce combine into great water droplet with the fog drop on filter screen 114, most water droplet flows into blow off pipe 109 along the slope of filter screen 114 downwards under the effect of self gravity, carry out centralized processing to this part of precipitate through blow off pipe 109.
This embodiment is preferred, brush 104 and electric putter 103 are the slope setting, brush 104 is the same with the inclination of filter screen 114 with electric putter 103's inclination, brush 104's brush hair closely laminates in the upper surface setting of filter screen 114, when electric putter 103 drives brush 104 along filter screen 114 downstream, brush 104 can push away the upper surface of filter screen 114 from the sediment of remaining on filter screen 114 to blow off pipe 109 department, thereby reach the effect of clearing up filter screen 114, reduce the inside filtration hole of filter screen 114 and be blockked up the condition.
This embodiment is preferred, and spray tray 113 and storage water tank 107 are linked together through the pipeline, and spray tray 113's bottom is provided with the nozzle that the equidistance distributes, and storage water tank 107's inside has held lime water, and during the use, lime water in the storage water tank 107 is by the nozzle blowout of spray tray 113 bottom, atomizes lime water through the nozzle to make water smoke can fully take place chemical reaction with nitrogen dioxide and the sulfur dioxide in the flue gas, carry out thorough desulfurization and denitration.
The preferred of this embodiment, the quantity of two filter screens 203 is two, and two filter screens 203 set up side by side in the inside of dust removal box 2, filters the dirty flue gas in the dust removal box 2 through two filter screens 203, makes the particulate matter content in the flue gas reduce, through reducing the particulate matter content in the flue gas, makes the work of carrying out desulfurization and denitration that purification box 1 can be better.
The electric push rod 103 and the control module 106 are electrically connected with an external power supply through leads, a signal receiving end of the electric push rod 103 is in signal connection with a signal transmitting end of the control module 106, and the control module 106 is used for combination and programming of other electronic elements of the flue gas desulfurization equipment and is a unit for realizing intelligent control.
The working principle is as follows: firstly, when in use, the dust-containing flue gas is injected into the dust removal box body 2 through the air inlet pipe three 201, particulate matters in the dust-containing flue gas are filtered through the filter screen two 203 in the dust removal box body 2, then the flue gas enters the purification box body 1 through the air inlet pipe one 101, meanwhile, air is injected into the purification box body 1 through the air inlet pipe two 108, lime water in the water storage tank 107 is atomized through the spray disc 113, the water mist can fully react with acidic substances in the flue gas, then, the electric push rod 103 is started, the filter screen one 114 is cleaned through the brush 104, impurities cleaned by the brush 104 are discharged from the discharge pipe 109 for centralized treatment, and then, the cleaned gas moves upwards to pass through the baffle plate 112, water drops are captured through the bent part of the baffle plate 112, the discharge of water vapor is reduced, and finally, the substances in the flue gas are further removed through the activated carbon adsorption layer 111, so that the flue gas can be thoroughly purified.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.
Claims (8)
1. A flue gas desulfurization apparatus for a coal fired unit, comprising: purify box (1) and dust removal box (2), its characterized in that: the dust removal box body (2) is fixedly connected to the left lower corner of the purification box body (1);
the purification box body (1) comprises: the device comprises a first air inlet pipe (101), a through hole (102), an electric push rod (103), a brush (104), a support (105), a control module (106), a water storage tank (107), a second air inlet pipe (108), a blow-off pipe (109), a chimney (110), an activated carbon adsorption layer (111), baffle plates (112), a spray plate (113) and a first filter screen (114), wherein the first air inlet pipe (101) is embedded and arranged below the left side of the purification tank body (1), the through hole (102) is arranged at the left center of the purification tank body (1), the electric push rod (103) is embedded and arranged inside the through hole (102), the brush (104) is fixedly connected to the output end of the electric push rod (103), the support (105) is fixedly connected to the outer side of the electric push rod (103), the control module (106) is fixedly connected above the left side of the purification tank body (1), the water storage tank (107) is fixedly connected above the right side of the purification tank body (1), the second air inlet pipe (108) is embedded and arranged in the middle of the right side of the purification tank body (1), the blow-off pipe (109) is embedded and arranged below the right side of the purification tank body (1), the chimney (110) is fixedly connected to the top of the activated carbon adsorption layer (110), the baffle plate (112) is embedded in the lower part of the chimney (110), the spray disc (113) is embedded in the upper part of the purifying box body (1), and the filter screen I (114) is embedded in the lower part of the purifying box body (1);
the dust removal box body (2) comprises: intake pipe three (201), recess (202) and filter screen two (203), the embedding of intake pipe three (201) sets up in the left side of dust removal box (2), the top of dust removal box (2) is seted up in recess (202), the embedding of filter screen two (203) sets up in the inside of recess (202).
2. The flue gas desulfurization apparatus for a coal-fired unit according to claim 1, characterized in that: one side of the first air inlet pipe (101) far away from the purification box body (1) is embedded in the right side of the dust removal box body (2).
3. The flue gas desulfurization apparatus for a coal-fired unit according to claim 1, characterized in that: the output end of the electric push rod (103) penetrates through the through hole (102) and is arranged, and one end, far away from the electric push rod (103), of the support (105) is fixedly connected to the outer side face of the purification box body (1).
4. The flue gas desulfurization apparatus for a coal-fired unit according to claim 1, characterized in that: the second air inlet pipe (108) is arranged above the first filter screen (114).
5. The flue gas desulfurization apparatus for a coal-fired unit according to claim 1, wherein: the first filter screen (114) and the sewage discharge pipe (109) are obliquely arranged, and the upper surface of the first filter screen (114) and the inner wall of the opening of the sewage discharge pipe (109) are arranged in the same plane.
6. The flue gas desulfurization apparatus for coal-fired units according to claim 5, characterized in that: the brush (104) and the electric push rod (103) are obliquely arranged, the inclined angle of the brush (104) and the inclined angle of the electric push rod (103) are the same as that of the first filter screen (114), and bristles of the brush (104) are tightly attached to the upper surface of the first filter screen (114).
7. The flue gas desulfurization apparatus for a coal-fired unit according to claim 1, characterized in that: the spray disc (113) is communicated with the water storage tank (107) through a pipeline, and the bottom of the spray disc (113) is provided with nozzles distributed at equal intervals.
8. The flue gas desulfurization apparatus for a coal-fired unit according to claim 1, characterized in that: the number of the second filter screens (203) is two, and the two second filter screens (203) are arranged in the dust removal box body (2) side by side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022299895.7U CN218047263U (en) | 2020-10-15 | 2020-10-15 | Flue gas desulfurization equipment for coal-fired unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022299895.7U CN218047263U (en) | 2020-10-15 | 2020-10-15 | Flue gas desulfurization equipment for coal-fired unit |
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| CN218047263U true CN218047263U (en) | 2022-12-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717865A (en) * | 2023-12-29 | 2024-03-19 | 宿迁龙净环保科技有限公司 | Industrial flue gas desulfurization dust removal clarification plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717865A (en) * | 2023-12-29 | 2024-03-19 | 宿迁龙净环保科技有限公司 | Industrial flue gas desulfurization dust removal clarification plant |
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Effective date of registration: 20230803 Address after: No. 23, 10th Floor, Fuyuan Building, Yulin Avenue, High tech Industrial Park, Yulin City, Shaanxi Province, 719000 Patentee after: Shaanxi Mingming Environmental Protection Technology Co.,Ltd. Address before: 325800 No. 17, Hekou, Malu village, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province Patentee before: Wu Zhengyao |