CN212575883U - Desulfurization and denitrification device for brick kiln - Google Patents
Desulfurization and denitrification device for brick kiln Download PDFInfo
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- CN212575883U CN212575883U CN202021096341.0U CN202021096341U CN212575883U CN 212575883 U CN212575883 U CN 212575883U CN 202021096341 U CN202021096341 U CN 202021096341U CN 212575883 U CN212575883 U CN 212575883U
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Abstract
The utility model provides a burn brickkiln SOx/NOx control device for there are impurity, influence effect and the treatment effect of reuse poor, the technical problem that the treatment effeciency is low in the product of solving prior art at SOx/NOx control in-process formation. The utility model discloses a case and the pipe of discharging fume are handled to kiln, flue gas, and the incasement is handled to the flue gas is equipped with first baffle, second baffle, third baffle and fourth baffle along the direction of admitting air in proper order, establish to the desulfurization chamber between first baffle and the second baffle, establish to the denitration chamber between third baffle and the fourth baffle, all be equipped with guiding device in desulfurization chamber and the denitration chamber, between the inlet end of case is handled to first baffle and flue gas, between second baffle and the third baffle and between the end of giving vent to anger of fourth baffle and flue gas processing case all be equipped with dust collector. The utility model discloses structural design is simple, collects SOx/NOx control and removes dust in an organic whole, and the treatment effect is good, efficient, and the practicality is strong, can satisfy the production requirement well.
Description
Technical Field
The utility model relates to a flue gas treatment technical field, concretely relates to burn brickkiln SOx/NOx control device.
Background
In recent years, due to the limitation of clay brick production, many brick kiln factories such as tunnel kilns and rotary kilns are produced, the main raw materials for firing red bricks in the brick kiln factories are shale, fly ash, coal gangue, clay and the like, and during firing, the flue gas of an industrial kiln contains a large amount of SO2, NO2 and dust, and if the flue gas is directly discharged into the environment, the flue gas can seriously damage the body health of surrounding residents and pollute the atmospheric environment. The scale of the brick kiln factory is large or small, but the flue gas needs to be desulfurized and dedusted no matter in the large brick kiln or the small brick kiln, so that the flue gas can meet the emission requirement and avoid environmental pollution. The existing flue gas desulfurization and denitration device generally only carries out desulfurization and denitration operation, but does not carry out dust removal treatment on flue gas, and the product formed in the desulfurization and denitration process has the problems of poor treatment effect, low treatment efficiency and the like, and can not well meet the production requirement.
SUMMERY OF THE UTILITY MODEL
To the product that prior art formed at SOx/NOx control in-process there are impurity, influence effect and the treatment effect of reuse poor, the technical problem that the treatment effeciency is low, the utility model provides a burn brick kiln SOx/NOx control device, structural design is simple, collects SOx/NOx control and removes dust in an organic whole, and the treatment effect is good, efficient, and the practicality is strong, can satisfy the production requirement well.
In order to solve the technical problem, the utility model discloses a following technical scheme: a brick kiln desulfurization and denitrification device comprises a kiln, a flue gas treatment box and a smoke exhaust pipe, wherein the flue gas treatment box is respectively communicated with the kiln and the smoke exhaust pipe through pipelines; the flue gas treatment box sets up on the support body, and the flue gas is handled the incasement and is equipped with first baffle, second baffle, third baffle and fourth baffle along the direction of admitting air in proper order, establish to the desulfurization chamber between first baffle and the second baffle, establish to the denitration chamber between third baffle and the fourth baffle, and all be equipped with air vent I on first baffle and the third baffle, all be equipped with air vent II on second baffle and the fourth baffle, be equipped with desulphurization unit in the desulfurization chamber, be equipped with denitrification facility in the denitration chamber, and all be equipped with guiding device in desulfurization chamber and the denitration chamber, all be equipped with dust collector between the inlet end of first baffle and flue gas treatment box, between second baffle and the third baffle and between the end of giving vent to anger of fourth baffle and flue gas treatment box.
And an induced draft fan I is arranged on a pipeline between the kiln and the flue gas treatment box, and an induced draft fan II is arranged on a pipeline between the flue gas treatment box and the flue gas discharge pipe.
The flow guide device comprises a plurality of flow guide plates, the flow guide plates are arranged in a relatively staggered manner to form an S-shaped flow guide channel, one end of each flow guide plate is respectively fixed on the first partition plate, the second partition plate, the third partition plate and the fourth partition plate, and the other end of each flow guide plate is arranged in a downward inclined manner; the vent I is located below the guide plate, and the vent II is located above the guide plate.
The desulfurizer device comprises a desulfurizer liquid storage tank, a desulfurizer infusion pump, a desulfurizer infusion tube and a desulfurizer spray head, wherein the desulfurizer liquid storage tank and the desulfurizer infusion pump are both arranged outside the flue gas treatment box, the desulfurizer infusion pump is respectively communicated with one end of the desulfurizer liquid storage tank and one end of the desulfurizer infusion tube, the other end of the desulfurizer infusion tube is inserted into the desulfurizer chamber and fixed on the upper part of the guide plate, and the desulfurizer spray head is arranged on the desulfurizer infusion tube and communicated with the desulfurizer infusion tube; and a control valve I is arranged on the desulfurizer liquid conveying pipe.
The denitration device comprises a denitration agent liquid storage tank, a denitration agent infusion pump, a denitration agent infusion tube and a denitration agent sprayer, wherein the denitration agent liquid storage tank and the denitration agent infusion pump are both arranged outside the flue gas treatment box, the denitration agent infusion pump is respectively communicated with one end of the denitration agent liquid storage tank and one end of the denitration agent infusion tube, the other end of the denitration agent infusion tube is inserted into the denitration chamber and fixed on the upper part of the guide plate, and the denitration agent sprayer is arranged on the denitration agent infusion tube and communicated with the denitration agent infusion tube; and a control valve II is arranged on the denitrifier liquid conveying pipe.
The lower parts of the desulfurization chamber and the denitration chamber are both provided with funnels, and the lower ends of the funnels are connected with liquid discharge pipes; the position of the lower part of the flue gas treatment box corresponding to the desulfurization chamber and the denitration chamber is provided with a sedimentation tank, and a liquid discharge pipe is communicated with the sedimentation tank.
Dust collector includes first filter screen, second filter screen and third filter screen, and the vertical setting of first filter screen is between the inlet end of first baffle and flue gas processing case, and the vertical setting of second filter screen is between second baffle and third baffle, and the vertical setting of third filter screen is between the end of giving vent to anger of fourth baffle and flue gas processing case, first filter screen and second filter screen filtration pore diameter are the same, and the filtration pore diameter of third filter screen is less than the filtration pore diameter of second filter screen.
The utility model integrates desulfurization, denitrification and dust removal, the flue gas discharged by the kiln enters the flue gas treatment box under the action of the draught fan I, is treated by the desulfurization device, the denitrification device and the dust removal device, and is finally discharged through the smoke discharge pipe under the action of the draught fan II, the treatment effect is good, and the efficiency is high; the first filter screen is arranged on one side of the air inlet end of the desulfurization chamber, the second filter screen is arranged on one side of the air inlet end of the denitration chamber, and therefore the flue gas entering the desulfurization chamber and the flue gas entering the denitration chamber can be filtered respectively, and the phenomenon that the reuse effect is influenced by impurities in products formed in the desulfurization and denitration processes is avoided; the utility model discloses structural design is simple, and excellent in use effect can satisfy the production requirement well, has very strong practicality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
figure 2 is the rear view of the flue gas treatment box of the utility model.
In the figure, 1 is the kiln, 2 is the flue gas treatment box, 3 is the pipe of discharging fume, 4 is draught fan I, 5 is draught fan II, 6 is the support body, 7 is first baffle, 8 is the second baffle, 9 is the third baffle, 10 is the fourth baffle, 11 is first filter screen, 12 is the desulfurizer liquid storage pot, 13 is the desulfurizer transfer pump, 14 is the desulfurizer transfer pipe, 15 is the desulfurizer shower nozzle, 16 is the denitrifier liquid storage pot, 17 is the denitrifier transfer pump, 18 is the denitrifier transfer pipe, 19 is the denitrifier shower nozzle, 20 is the sedimentation tank, 21 is the funnel, 22 is the second filter screen, 23 is the third filter screen, 261 is air vent I, 262 is air vent II, 27 is the guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in figure 1, the utility model provides a burn brick kiln SOx/NOx control device, including kiln 1, flue gas treatment case 2 and discharge fume pipe 3, flue gas treatment case 2 communicates kiln 1 respectively and discharges fume pipe 3 through the pipeline, burns brick in-process kiln 1 exhaust flue gas and gets into in flue gas treatment case 2 through the pipeline, finally discharges through discharging fume pipe 3 after 2 handles of flue gas treatment case. Case 2 is handled to flue gas sets up on support body 6, be equipped with first baffle 7 along the direction of admitting air in the case 2 is handled to flue gas in proper order, second baffle 8, third baffle 9 and fourth baffle 10, establish to the desulfurization chamber between first baffle 7 and the second baffle 8 in this embodiment, establish to the denitration chamber between third baffle 9 and the fourth baffle 10, and the lower part of first baffle 7 and third baffle 9 all is equipped with air vent I261, the upper portion of second baffle 8 and fourth baffle 10 all is equipped with air vent II 262, thereby realize that the inlet end of case is handled to flue gas, the desulfurization chamber, communicate each other between the end of giving vent to anger of denitration chamber and flue gas processing case. A desulfurization device is arranged in the desulfurization chamber, a denitrification device is arranged in the denitrification chamber, flow guide devices are arranged in the desulfurization chamber and the denitrification chamber, dust removal devices are arranged between the first partition plate 7 and the gas inlet end of the flue gas treatment box 2, between the second partition plate 8 and the third partition plate 9 and between the fourth partition plate 10 and the gas outlet end of the flue gas treatment box 2, a draught fan I4 is arranged on a pipeline between the kiln 1 and the flue gas treatment box 2, a draught fan II 5 is arranged on a pipeline between the flue gas treatment box 2 and the smoke exhaust pipe 3, flue gas discharged by the kiln 1 enters the flue gas treatment box under the action of the draught fan I4, primary dust removal is carried out by the dust removal device between the first partition plate 7 and the gas inlet end of the flue gas treatment box and enters the desulfurization chamber for desulfurization treatment, then dust removal is carried out by the dust removal device between the second partition plate 8 and the third partition plate 9 and enters the denitrification chamber for denitrification treatment, and finally, dedusting by a dedusting device between the air outlet ends of the fourth partition plate 10 and the flue gas treatment box 2, and finally discharging by a smoke exhaust pipe under the action of the draught fan II 5, so that the integration of desulfurization, denitrification and dedusting is realized, the desulfurization, denitrification and dedusting effects are good, and the treatment efficiency is high.
The flow guide device comprises a plurality of flow guide plates 27, the length of each flow guide plate 27 is larger than half of the distance between the first partition plate 7 and the second partition plate 8, and is also larger than half of the distance between the third partition plate 9 and the fourth partition plate 10, one end of each flow guide plate 27 is fixed on the first partition plate 7, the second partition plate 8, the third partition plate 9 and the fourth partition plate 10 respectively, the other end of each flow guide plate 27 inclines downwards, meanwhile, the flow guide plates 27 are arranged in a relatively staggered mode to form an S-shaped flow guide channel, the vent holes I261 are located below the flow guide plates 27, the vent holes II 262 are located above the flow guide plates 27, and smoke enters the desulfurization chamber or the denitration chamber from the vent holes I261 and then rises in an S shape under the action of the flow guide plates 10 and. As shown in fig. 2, the desulfurization device comprises a desulfurizer liquid storage tank 12, a desulfurizer liquid delivery pump 13, a desulfurizer liquid delivery pipe 14 and a desulfurizer spray head 15, wherein the desulfurizer liquid storage tank 12 and the desulfurizer liquid delivery pump 13 are both arranged outside the flue gas treatment tank 2, the desulfurizer liquid delivery pump 13 is respectively communicated with one end of the desulfurizer liquid storage tank 12 and one end of the desulfurizer liquid delivery pipe 14, the other end of the desulfurizer liquid delivery pipe 14 is inserted into the desulfurization chamber and fixed on the upper part of the guide plate 27, and the desulfurizer spray head 15 is mounted on the desulfurizer liquid delivery pipe 14 and communicated with the; the denitration device comprises a denitration agent liquid storage tank 16, a denitration agent liquid conveying pump 17, a denitration agent liquid conveying pipe 18 and a denitration agent spray head 19, wherein the denitration agent liquid storage tank 16 and the denitration agent liquid conveying pump 17 are arranged outside the flue gas treatment box 2, the denitration agent liquid conveying pump 17 is respectively communicated with one end of the denitration agent liquid storage tank 16 and one end of the denitration agent liquid conveying pipe 18, the other end of the denitration agent liquid conveying pipe 18 is inserted into the denitration chamber and fixed on the upper portion of the guide plate 27, and the denitration agent spray head 19 is installed on the denitration agent liquid conveying pipe 18 and communicated with the denitration agent liquid. Specifically, the desulfurizer infusion tube 14, the desulfurizer nozzle 15, the denitrifier infusion tube 18, and the denitrifier nozzle 19 are all located above the guide plate 27, two ends of the desulfurizer infusion tube 14 are respectively fixed on the first partition plate 7 and the second partition plate 8, and two ends of the denitrifier infusion tube 18 are respectively fixed on the third partition plate 9 and the fourth partition plate 10. In the desulfurization or denitrification treatment, the desulfurizer infusion pump 13 or the denitrifier infusion pump 17 is opened, the desulfurizer in the desulfurizer storage tank 12 enters the desulfurizer infusion tube 14 under the action of the desulfurizer infusion pump 13 and is sprayed out from the desulfurizer spray head 15, and similarly, the denitrifier in the denitrifier storage tank 16 enters the denitrifier infusion tube 18 under the action of the denitrifier infusion pump 17 and is sprayed out from the denitrifier spray head 19. Under the action of the guide plate, the flue gas rises in an S shape from bottom to top, and the desulfurizer or the denitrifier descends in an S shape from top to bottom, so that the flue gas and the desulfurizer are in reverse contact, the contact area of the flue gas and the desulfurizer is effectively increased, and the denitration effect of the desulfurizer is improved. Furthermore, a control valve I is arranged on the desulfurizer infusion tube 14, a control valve II is arranged on the denitrifier infusion tube 18, and the control valve I and the control valve II are both used for adjusting the flow. The lower parts of the desulfurization chamber and the denitration chamber are both provided with a funnel 21, and the lower end of the funnel 21 is connected with a liquid discharge pipe; the below of case 2 is handled to the flue gas is equipped with sedimentation tank 20 corresponding the position of desulfurization chamber and denitration room, and the fluid-discharge tube is linked together with sedimentation tank 20, and the indoor desulfurization liquid of desulfurization and the denitration liquid of denitration room all discharge into in sedimentation tank 20 through funnel 21.
Dust collector includes first filter screen 11, second filter screen 22 and third filter screen 23, the vertical setting of first filter screen 11 is between the inlet end of case 2 is handled at first baffle 7 and flue gas, the vertical setting of second filter screen 22 is between second baffle 8 and third baffle 9, the vertical setting of third filter screen 23 is between the end of giving vent to anger of case 2 is handled at fourth baffle 10 and flue gas, the flue gas filters through first filter screen 11 before getting into the desulfurization chamber, filter through second filter screen 22 before getting into the denitration chamber simultaneously, thereby avoid the result that desulfurization and denitration in-process formed to have impurity and influence the effect of reuse. The diameters of the filter holes of the first filter screen 11 and the second filter screen 22 are the same, and the diameter of the filter hole of the third filter screen 23 is smaller than that of the filter hole of the second filter screen 22, so that a good dust removal effect is ensured. The bottom of the flue gas treatment box 2 is provided with a slag discharge hole, so that filtered impurities can be discharged conveniently.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a kiln SOx/NOx control device that burns which characterized in that: the device comprises a kiln (1), a flue gas treatment box (2) and a smoke exhaust pipe (3), wherein the flue gas treatment box (2) is respectively communicated with the kiln (1) and the smoke exhaust pipe (3) through pipelines; the flue gas treatment box (2) is arranged on the frame body (6), a first clapboard (7), a second clapboard (8), a third clapboard (9) and a fourth clapboard (10) are sequentially arranged in the flue gas treatment box (2) along the air inlet direction, a desulfurization chamber is arranged between the first clapboard (7) and the second clapboard (8), a denitration chamber is arranged between the third clapboard (9) and the fourth clapboard (10), and the first clapboard (7) and the third clapboard (9) are both provided with a vent I (261), the second clapboard (8) and the fourth clapboard (10) are both provided with a vent II (262), the desulfurization chamber is internally provided with a desulfurization device, the denitrification chamber is internally provided with a denitrification device, and the desulfurization chamber and the denitration chamber are both internally provided with flow guide devices, and dust removal devices are respectively arranged between the air inlet ends of the first partition plate (7) and the flue gas treatment box (2), between the second partition plate (8) and the third partition plate (9) and between the air outlet ends of the fourth partition plate (10) and the flue gas treatment box (2).
2. The desulfurization and denitrification apparatus for a brickkiln according to claim 1, wherein: be equipped with draught fan I (4) on the pipeline between kiln (1) and flue gas processing case (2), be equipped with draught fan II (5) on the pipeline between flue gas processing case (2) and the pipe (3) of discharging fume.
3. The desulfurization and denitrification apparatus for a brickkiln according to claim 2, wherein: the flow guide device comprises a plurality of flow guide plates (27), the flow guide plates (27) are arranged in a relatively staggered mode to form an S-shaped flow guide channel, one end of each flow guide plate (27) is fixed to the first partition plate (7), the second partition plate (8), the third partition plate (9) and the fourth partition plate (10) respectively, and the other end of each flow guide plate is arranged in a downward inclined mode; the vent I (261) is located below the guide plate (27), and the vent II (262) is located above the guide plate (27).
4. The desulfurization and denitrification apparatus for a brickkiln according to claim 3, wherein: the desulfurizer device comprises a desulfurizer liquid storage tank (12), a desulfurizer liquid conveying pump (13), a desulfurizer liquid conveying pipe (14) and a desulfurizer spray head (15), wherein the desulfurizer liquid storage tank (12) and the desulfurizer liquid conveying pump (13) are arranged outside the flue gas treatment box (2), the desulfurizer liquid conveying pump (13) is respectively communicated with one ends of the desulfurizer liquid storage tank (12) and the desulfurizer liquid conveying pipe (14), the other end of the desulfurizer liquid conveying pipe (14) is inserted into the desulfurizer chamber and fixed on the upper part of the guide plate (27), and the desulfurizer spray head (15) is arranged on the desulfurizer liquid conveying pipe (14) and communicated with the desulfurizer liquid conveying pipe (14); and a control valve I is arranged on the desulfurizer transfusion pipe (14).
5. The desulfurization and denitrification apparatus for a brickkiln according to claim 4, wherein: the denitration device comprises a denitration agent liquid storage tank (16), a denitration agent infusion pump (17), a denitration agent infusion tube (18) and a denitration agent spray head (19), wherein the denitration agent liquid storage tank (16) and the denitration agent infusion pump (17) are arranged outside the flue gas treatment box (2), the denitration agent infusion pump (17) is respectively communicated with the denitration agent liquid storage tank (16) and one end of the denitration agent infusion tube (18), the other end of the denitration agent infusion tube (18) is inserted into the denitration chamber and fixed on the upper part of the guide plate (27), and the denitration agent spray head (19) is installed on the denitration agent infusion tube (18) and communicated with the denitration agent infusion tube (18); and a control valve II is arranged on the denitrifier liquid conveying pipe (18).
6. The desulfurization and denitrification apparatus for a brickkiln according to claim 4 or 5, wherein: the lower parts of the desulfurization chamber and the denitration chamber are both provided with a funnel (21), and the lower end of the funnel (21) is connected with a liquid discharge pipe; the position of the lower part of the flue gas treatment box (2) corresponding to the desulfurization chamber and the denitration chamber is provided with a sedimentation tank (20), and a liquid discharge pipe is communicated with the sedimentation tank (20).
7. The desulfurization and denitrification apparatus for a brickkiln according to claim 6, wherein: dust collector includes first filter screen (11), second filter screen (22) and third filter screen (23), and the vertical setting of first filter screen (11) is between the inlet end of case (2) is handled at first baffle (7) and flue gas, and the vertical setting of second filter screen (22) is between second baffle (8) and third baffle (9), and the vertical setting of third filter screen (23) is handled between the end of giving vent to anger of case (2) at fourth baffle (10) and flue gas, first filter screen (11) and second filter screen (22) filtration pore diameter are the same, and the filtration pore diameter of third filter screen (23) is less than the filtration pore diameter of second filter screen (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021096341.0U CN212575883U (en) | 2020-06-15 | 2020-06-15 | Desulfurization and denitrification device for brick kiln |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021096341.0U CN212575883U (en) | 2020-06-15 | 2020-06-15 | Desulfurization and denitrification device for brick kiln |
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| CN212575883U true CN212575883U (en) | 2021-02-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457413A (en) * | 2021-05-25 | 2021-10-01 | 江苏金盛建设集团有限公司 | Industrial flue gas denitration and desulfurization device |
| CN113731150A (en) * | 2021-09-01 | 2021-12-03 | 江苏力威环保科技有限公司 | Energy-concerving and environment-protective SOx/NOx control device |
| CN116592628A (en) * | 2023-07-03 | 2023-08-15 | 河北耀一节能设备制造有限责任公司 | Ultra-low emission tunnel kiln |
| CN117433318A (en) * | 2023-12-11 | 2024-01-23 | 中建材环保研究院（江苏）有限公司 | Rotary kiln flue gas treatment device |
-
2020
- 2020-06-15 CN CN202021096341.0U patent/CN212575883U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457413A (en) * | 2021-05-25 | 2021-10-01 | 江苏金盛建设集团有限公司 | Industrial flue gas denitration and desulfurization device |
| CN113731150A (en) * | 2021-09-01 | 2021-12-03 | 江苏力威环保科技有限公司 | Energy-concerving and environment-protective SOx/NOx control device |
| CN116592628A (en) * | 2023-07-03 | 2023-08-15 | 河北耀一节能设备制造有限责任公司 | Ultra-low emission tunnel kiln |
| CN117433318A (en) * | 2023-12-11 | 2024-01-23 | 中建材环保研究院（江苏）有限公司 | Rotary kiln flue gas treatment device |
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