CN112495102A - Energy-saving environment-friendly kiln flue gas treatment device and treatment method thereof - Google Patents
Energy-saving environment-friendly kiln flue gas treatment device and treatment method thereof Download PDFInfo
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- CN112495102A CN112495102A CN202011074554.8A CN202011074554A CN112495102A CN 112495102 A CN112495102 A CN 112495102A CN 202011074554 A CN202011074554 A CN 202011074554A CN 112495102 A CN112495102 A CN 112495102A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Abstract
The invention relates to the technical field of kiln flue gas treatment, in particular to an energy-saving and environment-friendly kiln flue gas treatment device and a treatment method thereof. It includes the casing, the air inlet has been seted up to one side that the casing lateral wall is close to the bottom, the casing outer wall is provided with the clearance window all around, casing upper surface center department has seted up the gas vent, the fixed position that the casing inner chamber lateral wall is close to the air inlet top is connected with the lock ring, the top of lock ring is provided with the filter core supporting seat, the first filter screen of fixed position that the casing inner chamber lateral wall is close to the top gas vent, casing inner chamber bottom is provided with the storage water tank, the fixed position that the casing inner chamber lateral wall is close to the storage water tank top is connected with the second filter screen, fixing base through setting up, when fixing rotational flow device, particulate matter in the flue gas is got rid of to the fixing base inner wall because centrifugal force, can avoid particulate matter to adhere at the.
Description
Technical Field
The invention relates to the technical field of kiln flue gas treatment, in particular to an energy-saving and environment-friendly kiln flue gas treatment device and a treatment method thereof.
Background
In the production process of industrial kilns, high temperature kilns are required to produce a refractory material. Therefore, in order to increase the temperature of the inner cavity of the kiln, a large amount of fuel, such as coal briquette, is required to be burned, so that a large amount of waste gas can be discharged, meanwhile, the waste gas in the cavity also needs to be released before the high-temperature kiln for producing refractory materials is opened, the general gas is cooled and dedusted through the purification tower and finally discharged through the exhaust passage, the existing purification tower generally has the guiding effect of the rotational flow plate in the process of cooling and dedusting, the rotational flow plate generates strong centrifugal force in the rotating process, the particulate matters are easily separated from the flue gas and are thrown to the tower wall, and flow to the tower bottom under the action of gravity, so as to realize the separation of the particulate matters, but the particulate matters are often adhered to the inner wall of the purification tower after being thrown to the tower wall, the cleaning of the inner wall of the purification tower is difficult, and the problem that the inner wall of the purification tower is easily corroded after long-, the problem of the corrosion of the inner wall of the purification tower is prevented by filtering particles adhered to the inner wall of the purification tower in the particle filtering process through the cyclone plate.
Disclosure of Invention
The invention aims to provide an energy-saving environment-friendly kiln flue gas treatment device and a treatment method thereof, so as to solve the problems in the background technology.
In order to achieve the above object, one of the objects of the present invention is to provide an energy-saving and environment-friendly kiln flue gas treatment device, comprising a main body and a purification tower installed on the main body, wherein the purification tower at least comprises:
the water storage tank comprises a shell, wherein an air inlet is formed in one side, close to the bottom, of the side wall of the shell, cleaning windows are arranged on the periphery of the outer wall of the shell, a maintenance window is arranged at the top of each cleaning window, an air outlet is formed in the center of the upper surface of the shell, a circulating water pump is installed on one side, close to the edge of the bottom, of the side wall of the shell, the output end of the circulating water pump is fixedly connected with a connecting pipe, a supporting ring is fixedly connected to the position, close to the top of the air inlet, of the side wall of an inner cavity of the shell, a filter element supporting seat is arranged at the top of the supporting ring, a first filter screen is fixedly connected to the position, close;
the cyclone device comprises a cyclone part, wherein the cyclone part at least comprises a fixed seat, the upper surface of the fixed seat is provided with a plurality of mounting holes, a cyclone device is embedded in the mounting holes, the cyclone device at least comprises a bearing, the center of the upper surface of the bearing is provided with a through hole, the side wall of the outer ring of the bearing is fixedly connected with a cyclone plate, the other end of the cyclone plate is fixedly connected with an outer fixed ring, and the edge of the upper surface of the fixed seat is provided with a storage groove;
the whirl portion of this embodiment is at concrete during operation, will contain the flue gas of a large amount of particulate matters through centrifugal fan, follows the bottom of the purification tower from bottom to top inhales whirl portion, and under the guide effect of whirl board, spiral shell screwing up, the slope the whirl board is along with the inhalation of smoke and dust, and makes and passes through the air current of whirl board is rotatory, the whirl board has the guide effect, makes the rotary motion aggravation of flue gas, produces powerful centrifugal force, and the particulate matter in the flue gas breaks away from in the flue gas and is got rid of to on the inner wall of fixing base, the particulate matter is under the action of gravity, by the inner wall flow direction the bottom of the tower of purification tower realizes the separation to particulate matter in the flue gas.
The filter comprises a filter part, wherein the filter part at least comprises a filter element, the top end of the filter element is provided with an air outlet, the edge of the filter element close to the outer wall of the air outlet is fixedly connected with a fixing lug, the center of the bottom of the filter element is provided with a threaded pipe in a penetrating way, and the center of the upper surface of the threaded pipe is provided with a connecting hole;
the spraying part comprises a communicating pipe, one end of the communicating pipe is fixedly connected with a three-way joint, a port at the bottom of the three-way joint is fixedly connected with a first spraying pipe, one end of the three-way joint is fixedly connected with a four-way pipe fitting, and the output end of the four-way pipe fitting is fixedly connected with the first spraying pipe through a two-way joint;
the spray part of this embodiment is at specific during operation, gives circulating water pump supplies power, circulating water pump moves, circulating water pump will water in the storage water tank via the connecting pipe is sent into first shower with in the second shower, water by the hole blowout sprays, first shower spun rivers, it is right when flue gas in the filter core cools down, the realization is right the filter core washes back, will the particulate matter of filter core outer wall adhesion washes away to make it fall into in the storing recess, simultaneously, second shower spun rivers are in the adhesion the inner wall particulate matter of fixing base washes away, and particulate matter and water flow into together in the purification tower bottom in the storage water tank.
As a further improvement of the present technical solution, the main body at least comprises:
the cloth bag filter is communicated with the purification tower through a gas transmission pipeline;
the centrifugal fan is communicated with the cloth bag filter through a gas transmission pipeline;
and the smoke exhaust pipe is communicated with the centrifugal ventilator through a gas transmission pipeline.
As a further improvement of the technical scheme, the side wall of the rotational flow part is fixedly connected with the inner wall of the shell, and the lower surface of the rotational flow part is fixedly connected with the support ring.
As a further improvement of the technical scheme, the rotational flow plate is arranged on the outer side wall of the bearing in a surrounding mode around the circle center of the through hole, and the rotational flow plate is in a shape of an inclined fan impeller.
As a further improvement of the technical scheme, the rotational flow device is movably connected with the fixed seat through the bearing through the outer fixed ring.
As a further improvement of the technical scheme, the filtering part is fixedly connected with the filter element supporting seat through the fixing lug.
As a further improvement of the technical scheme, the bottom of the first spray pipe is designed to be an internal thread opening, and the first spray pipe is in threaded connection with the filter element through the top end of the threaded pipe.
As a further improvement of the technical scheme, the bottom end of the threaded pipe is in threaded connection with a second spraying pipe, and the side walls of the first spraying pipe and the first spraying pipe are all provided with spraying holes all around.
As a further improvement of the technical scheme, the second spray pipe penetrates through the through hole and is fixed in the fixed seat, and the length of the second spray pipe is the same as the height of the fixed seat.
The invention also aims to provide a flue gas treatment method of the energy-saving environment-friendly kiln flue gas treatment device, which comprises any one of the energy-saving environment-friendly kiln flue gas treatment devices, and comprises the following steps:
(I) flue gas particulate matter treatment stage:
s1, supplying power to a centrifugal fan, operating the centrifugal fan, and conveying the flue gas into the purification tower through an air inlet by the centrifugal fan;
s2, enabling the smoke containing a large amount of particulate matters to pass through the cyclone part, enabling the inclined cyclone plate to suck along with the smoke dust and to rotate airflow passing through the cyclone plate, enabling the cyclone plate to have a guiding effect, enabling the rotation motion to be intensified, generating strong centrifugal force, and enabling the particulate matters in the smoke to be separated out from the smoke and thrown to the inner wall of the fixed seat;
s3, allowing the particles to flow to the bottom of the purification tower 2 under the action of gravity, so as to separate the particles in the flue gas;
(II) flue gas filtering treatment stage:
s4, after removing the particulate matters, the flue gas enters a filtering part through a cyclone part;
s5, filtering the smoke through the filter element, and discharging the filtered smoke through the air outlet;
(III) cooling the flue gas:
s6, running the centrifugal fan and the circulating water pump simultaneously;
s7, the circulating water pump sends water in the water storage tank into the first spray pipe and the second spray pipe through the connecting pipe, and the water is sprayed out from the spray holes;
s8, the water flow sprayed by the first spray pipe cools the smoke in the filter element, and simultaneously, the filter element is backwashed, so that particles adhered to the outer wall of the filter element are washed away and fall into the storage groove;
s9, washing the particles adhered to the inner wall of the fixed seat by water flow sprayed by the second spray pipe, and enabling the particles to fall into a water storage tank at the bottom of the purification tower;
(IV) a smoke discharge stage:
s7, further filtering the flue gas which is flushed and cooled by the first spray pipe by the first filter screen, and discharging the flue gas from an exhaust port of the purification tower;
and S8, further filtering the flue gas by a cloth bag filter, sending the flue gas into a smoke exhaust pipe by a centrifugal fan, and finally exhausting the flue gas by the smoke exhaust pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. in the energy-saving environment-friendly furnace flue gas treatment device and the treatment method thereof, the cyclone device is fixed by the aid of the arranged fixing seat, and meanwhile, particles in flue gas are thrown to the inner wall of the fixing seat due to centrifugal force, so that the particles are prevented from being adhered to the inner wall of the purification tower, and the problems that the inner wall of the purification tower is corroded and is not easy to clean due to long-term adhesion of the particles are solved.
2. In the energy-saving environment-friendly kiln flue gas treatment device and the treatment method thereof, the filter element is backwashed by water sprayed from the first spray pipe through the arrangement of the first spray pipe, so that deposits adhered to the outer wall of the filter element are washed away, and the smoke and dust can be effectively cooled while the filter element is effectively prevented from being blocked.
3. According to the energy-saving environment-friendly kiln flue gas treatment device and the treatment method thereof, the inner wall of the fixing seat is washed through the arranged second spray pipe, the particles adhered to the inner wall flow to the bottom of the purification tower from the inner wall under the mixed action of water and gravity, the particles are cleaned, and the problems of corrosion and difficulty in cleaning of the inner wall of the fixing seat caused by the particles adhered to the inner wall of the fixing seat can be effectively solved.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic view of the installation of the inner cavity structure of the purification tower in example 1;
FIG. 3 is a partial sectional view of the inner cavity of the purification tower in accordance with example 1;
FIG. 4 is a partial position view of a swirling portion and a filtering portion of example 1;
FIG. 5 is a schematic view showing the entire structure of a swirling portion in embodiment 1;
FIG. 6 is a schematic view of a fixing base of embodiment 1;
FIG. 7 is a schematic view of the structure of a swirling device according to embodiment 1;
FIG. 8 is a schematic bottom view of the filter unit according to example 1;
FIG. 9 is a schematic view of a cartridge structure of example 1;
FIG. 10 is a schematic sectional view showing a connection structure of a threaded pipe and a second shower pipe according to example 1;
fig. 11 is a partial connection schematic view of the spray device of embodiment 1.
The various reference numbers in the figures mean:
1. a main body;
2. a purification tower; 201. an air inlet; 202. cleaning the window; 203. an exhaust port; 204. a support ring; 205. a first filter screen; 206. a water storage tank; 2061. a second filter screen; 207. a gas pipeline; 208. a housing; 209. repairing the window; 2010. a filter element supporting seat;
3. a cloth bag filter;
4. a centrifugal fan;
5. a smoke exhaust pipe;
6. a water circulating pump; 601. a connecting pipe;
7. a swirling portion; 701. a fixed seat; 7011. mounting holes; 702. a storage groove; 703. a swirling device; 7031. an outer fixing ring; 7032. a swirl plate; 7033. a bearing; 7034. a through hole;
8. a filtering part; 801. a filter element; 8011. connecting holes; 8012. a threaded pipe; 802. an air outlet; 803. fixing the ear;
9. a spraying device; 901. a four-way pipe fitting; 902. a two-way joint; 903. a first shower pipe; 9031. spraying holes; 9032. a second shower pipe; 904. a three-way joint; 905. a communicating pipe; 906. and connecting the flange plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1-11, an object of the present embodiment is to provide an energy-saving and environment-friendly kiln flue gas treatment device, which includes a main body 1 and a purification tower 2 installed on the main body 1, wherein the purification tower 2 at least includes:
the filter element comprises a shell 208, wherein an air inlet 201 is formed in one side of the side wall of the shell 208 close to the bottom, cleaning windows 202 are formed in the periphery of the outer wall of the shell 208, the cleaning windows 202 are formed in positions corresponding to the storage grooves 702 to facilitate cleaning of sediments in the storage grooves 702, maintenance windows 209 are formed in the top of the cleaning windows 202, furthermore, filter elements 801 are arranged in positions corresponding to the filter elements 801 of the maintenance windows 209, the size of the maintenance windows 209 is matched with that of the filter elements 801, the filter elements 801 and a first spray pipe 903 can be conveniently overhauled, and sealing doors are hinged to the cleaning windows 202 and the maintenance windows 209;
the center of the upper surface of the shell 208 is provided with an air outlet 203, one side of the side wall of the shell 208 close to the edge of the bottom is provided with a circulating water pump 6, the output end of the circulating water pump 6 is fixedly connected with a connecting pipe 601, the position of the side wall of the inner cavity of the shell 208 close to the top of the air inlet 201 is fixedly connected with a support ring 204, the top of the support ring 204 is provided with a filter core support seat 2010, the position of the side wall of the inner cavity of the shell 208 close to the air outlet 203 of the top is fixedly connected with a first filter screen 205, the bottom of the inner cavity of the;
the cyclone device comprises a cyclone part 7, wherein the cyclone part 7 at least comprises a fixed seat 701, the upper surface of the fixed seat 701 is provided with a plurality of mounting holes 7011, a cyclone device 703 is embedded in each mounting hole 7011, the cyclone device 703 at least comprises a bearing 7033, the center of the upper surface of the bearing 7033 is provided with a through hole 7034, the side wall of the outer ring of the bearing 7033 is fixedly connected with a cyclone plate 7032, the other end of the cyclone plate 7032 is fixedly connected with an outer fixed ring 7031 and an outer fixed ring 7031, and the edge of the upper surface of the fixed seat 701 is provided with a;
the whirl portion 7 of this embodiment is at specific during operation, the flue gas that will contain a large amount of particulate matters through centrifugal fan 4, from 2 bottoms of purifying tower by down up suction whirl portion 7, and under whirl board 7032's guiding action, spiral shell screwing in, the whirl board 7032 of slope is along with the suction of smoke and dust, and it is rotatory to make the air current that passes through whirl board 7032, whirl board 7032 has the guiding action, make the rotary motion aggravation of flue gas, produce powerful centrifugal force, particulate matter in the flue gas breaks away from out from in the flue gas and is got rid of to on the inner wall of fixing base 701, the particulate matter is under the action of gravity, by the bottom of the tower of inner wall flow direction purifying tower 2, realize the separation to the particulate matter in the flue gas.
The filter part 8 at least comprises a filter element 801 in the filter part 8, the top end of the filter element 801 is provided with an air outlet 802, the edge of the outer wall of the filter element 801 close to the air outlet 802 is fixedly connected with a fixing lug 803, the filter element 801 is conveniently fixed through the fixing lug 803, the filter element 801 is used for filtering flue gas, the center of the bottom of the filter element 801 is provided with a threaded pipe 8012 in a penetrating manner, the center of the upper surface of the threaded pipe 8012 is provided with a connecting hole 8011, and the arranged threaded pipe 8012 is used for communicating a first spraying pipe 903 and a second spraying pipe 9032;
the spraying part 9 comprises a communicating pipe 905, one end of the communicating pipe 905 is fixedly connected with a three-way joint 904, a first spraying pipe 903 is fixedly connected with an interface at the bottom of the three-way joint 904, one end of the three-way joint 904 is fixedly connected with a four-way pipe 901, the output end of the four-way pipe 901 is fixedly connected with a first spraying pipe 903 through a two-way joint 902, further, the communicating pipe 905, the two-way joint 902, the three-way joint 904, the four-way pipe 901 and the first spraying pipe 903 are all provided with a connecting flange 906, and all the pipes of the spraying part 9 are fixedly connected through the connecting flange 906, so that the spraying part is convenient to disassemble and replace and maintain;
the shower part 9 of this embodiment is at specific during operation, supply power for circulating water pump 6, circulating water pump 6 moves, circulating water pump 6 sends the water in the storage water tank 206 into in first shower 903 and the second shower 9032 via connecting pipe 601, water is by spraying hole 9031 blowout, first shower 903 spun rivers, when cooling down to the flue gas in the filter core 801, realize backflushing filter core 801, erodeing the particulate matter of filter core 801 outer wall adhesion, and make it fall into storing recess 702 in, and simultaneously, second shower 9032 spun rivers, erode the inner wall particulate matter of adhesion at fixing base 701, the particulate matter flows into the storage water tank 206 of purifying column 2 bottom together with water.
Further, the body 1 includes at least: the cloth bag filter 3, the cloth bag filter 3 communicates with the purifying tower 2 through the gas transmission pipeline 207, the working principle of the cloth bag filter 3 is: the bag-type dust collector filters dust-containing gas by utilizing the filtering action of the fiber fabric, when the dust-containing gas enters the bag-type dust collector, dust with large particles and large specific gravity is settled down under the action of gravity and falls into the dust hopper, and when the gas containing fine dust passes through the filter material, the dust is blocked, so that the gas is purified;
centrifugal fan 4, centrifugal fan 4 communicates with cloth filter 3 through gas transmission pipeline 207, and further, centrifugal fan 4 theory of operation does: the centrifugal ventilator 4 accelerates gas by using an impeller rotating at a high speed according to the principle of converting kinetic energy into potential energy, then decelerates and changes the flow direction, so that the kinetic energy is converted into the potential energy (pressure), in the single-stage centrifugal ventilator, the gas enters the impeller from the axial direction, and the gas changes into the radial direction when flowing through the impeller and then enters a diffuser; in diffusers, the gas changes flow direction and the increase in conduit cross-sectional area slows the gas flow, which converts kinetic energy into pressure energy. The pressure increase mainly occurs in the impeller and secondly occurs in the diffusion process; in a multistage centrifugal fan, a reflux device is used for leading airflow to enter the next impeller to generate higher pressure, and furthermore, the centrifugal fan 4 can adopt a dust-removing centrifugal fan with the model number of C6-48;
and the smoke exhaust pipe 5 is communicated with the centrifugal ventilator 4 through a gas transmission pipeline 207, and finally the smoke is exhausted through the smoke exhaust pipe 5.
The side wall of the rotational flow part 7 is fixedly connected with the inner wall of the shell 208, the sealing property of the joint of the side wall of the rotational flow part 7 and the inner wall of the shell 208 is realized, and the lower surface of the rotational flow part 7 is fixedly connected with the support ring 204, so that the rotational flow part 7 is fixed.
Still further, the whirl board 7032 encircles around the through-hole 7034 centre of a circle and sets up on bearing 7033 lateral wall, whirl board 7032 is the fan impeller form of slope, the intake of inclined whirl board 7032 along with the smoke and dust to the messenger passes through whirl board 7032's air current rotatory, whirl board 7032 has the guide effect, make the flue gas under whirl board 7032's guide effect, spiral lift, produce powerful centrifugal force, particulate matter in the flue gas breaks away from out from the flue gas and is thrown to on the inner wall of fixing base 701.
In addition, the rotational flow device 703 is movably connected with the fixed seat 701 through a bearing by an outer fixed ring 7031, so that the rotational flow device 703 can rotate in the fixed seat 701.
In addition, the filter unit 8 is fixedly connected to the filter element support base 2010 through the fixing lugs 803, thereby fixing the filter element 801.
Specifically, the bottom of the first spray pipe 903 is designed as an internal thread opening, and the first spray pipe 903 is in threaded connection with the filter element 801 through the top end of the threaded pipe 8012.
Further, threaded connection has second shower 9032 in screwed pipe 8012 bottom, and spray holes 9031 have all been seted up all around to first shower 903 and first shower 903 lateral wall, through the spray holes 9031 that sets up, realize washing filter core 801 inner wall and fixing base 701 inner wall.
The second spraying pipe 9032 penetrates through the through hole 7034 and is fixed in the fixing seat 701, the first spraying pipe 903 is communicated with the second spraying pipe 9032 through the threaded pipe 8012, the length of the second spraying pipe 9032 is the same as the height of the fixing seat 701, and the second spraying pipe 9032 can thoroughly wash particles on the inner wall of the fixing seat 701.
Still further, the rotational flow device 703 is aligned with the filter element 801 up and down to ensure normal communication between the first spray pipe 903 and the first spray pipe 903.
The invention also aims to provide a flue gas treatment method of the energy-saving environment-friendly kiln flue gas treatment device, which comprises any one of the energy-saving environment-friendly kiln flue gas treatment devices, and comprises the following steps:
(I) flue gas particulate matter treatment stage:
s1, supplying power to the centrifugal fan 4, operating the centrifugal fan 4, and sending the flue gas into the purification tower 2 through the air inlet 201 by the centrifugal fan 4;
s2, enabling the smoke containing a large amount of particulate matters to pass through the cyclone part 7, enabling the inclined cyclone plate 7032 to rotate along with the suction of the smoke dust and the airflow passing through the cyclone plate 7032, enabling the cyclone plate 7032 to have a guiding effect to aggravate the rotating motion and generate strong centrifugal force, and enabling the particulate matters in the smoke to be separated from the smoke and thrown to the inner wall of the fixed seat 701;
s3, allowing the particles to flow to the bottom of the purification tower 2 under the action of gravity, so as to separate the particles in the flue gas;
(II) flue gas filtering treatment stage:
s4, after removing the particulate matters, the flue gas enters the filtering part 8 through the cyclone part 7;
s5, filtering the smoke through the filter element 801, and discharging the filtered smoke through the air outlet 802;
(III) cooling the flue gas:
s6, running the centrifugal fan 4 and the circulating water pump 6 at the same time;
s7, the circulating water pump 6 sends the water in the water storage tank 206 into the first spraying pipe 903 and the second spraying pipe 9032 through the connecting pipe 601, and the water is sprayed out from the spraying holes 9031;
s8, the water flow sprayed by the first spraying pipe 903 is used for cooling the smoke in the filter element 801 and backwashing the filter element 801, so that particles adhered to the outer wall of the filter element 801 are washed away and fall into the storage groove 702;
s9, washing the particles adhered to the inner wall of the fixed seat 701 by the water flow sprayed by the second spraying pipe 9032, and enabling the particles to fall into the water storage tank 206 at the bottom of the purification tower 2;
(IV) a smoke discharge stage:
s7, further filtering the flue gas which is flushed and cooled by the first spraying pipe 903 through the first filter screen 205, and discharging the flue gas from the exhaust port 203 of the purification tower 2;
s8, further filtering the flue gas by the cloth bag filter 3, sending the flue gas into the smoke exhaust pipe 5 by the centrifugal fan 4, and finally discharging the flue gas from the smoke exhaust pipe 5.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an energy-concerving and environment-protective type stove flue gas processing apparatus which characterized in that: including main part (1) and install purifying column (2) on main part (1), include at least in purifying column (2):
the filter core cleaning device comprises a shell (208), wherein an air inlet (201) is formed in one side, close to the bottom, of the side wall of the shell (208), cleaning windows (202) are arranged on the periphery of the outer wall of the shell (208), maintenance windows (209) are arranged at the top of the cleaning windows (202), an air outlet (203) is formed in the center of the upper surface of the shell (208), a circulating water pump (6) is installed on one side, close to the edge of the bottom, of the side wall of the shell (208), a connecting pipe (601) is fixedly connected with an inner cavity side wall of the shell (208), close to the top of the air inlet (201), a supporting ring (204) is fixedly connected with the position of the inner cavity side wall of the shell (208), a filter core supporting seat (2010) is arranged at the top of the supporting ring (204), a first filter screen (205) is fixedly connected with the, a second filter screen (2061) is fixedly connected to the position, close to the top of the water storage tank (206), of the side wall of the inner cavity of the shell (208);
the cyclone device comprises a cyclone part (7), wherein the cyclone part (7) at least comprises a fixed seat (701), the upper surface of the fixed seat (701) is provided with a plurality of mounting holes (7011), a plurality of mounting holes (7011) are respectively embedded with a cyclone device (703), the cyclone device (703) at least comprises a bearing (7033), the center of the upper surface of the bearing (7033) is provided with a through hole (7034), the side wall of the outer ring of the bearing (7033) is fixedly connected with a cyclone plate (7032), the other end of the cyclone plate (7032) is fixedly connected with an outer fixed ring (7031), the outer fixed ring (7031), and the edge of the upper surface of the fixed seat (701) is provided with a storage groove (702);
the filter unit (8) at least comprises a filter element (801), the top end of the filter element (801) is provided with an air outlet (802), the edge of the outer wall of the air outlet (802) close to the filter element (801) is fixedly connected with a fixing lug (803), the center of the bottom of the filter element (801) is provided with a threaded pipe (8012) in a penetrating manner, and the center of the upper surface of the threaded pipe (8012) is provided with a connecting hole (8011);
spraying portion (9), spraying portion (9) is including communicating pipe (905), communicating pipe (905) one end fixedly connected with three way connection (904), first shower (903) of three way connection (904) bottom interface fixedly connected with, the one end fixedly connected with four-way pipe fitting (901) of three way connection (904), the output of four-way pipe fitting (901) is through the first shower (903) of two-way connection (902) fixedly connected with.
2. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 1, wherein: the body (1) comprises at least:
the cloth bag filter (3), the cloth bag filter (3) is communicated with the purification tower (2) through a gas transmission pipeline (207);
the centrifugal fan (4), the said centrifugal fan (4) is communicated with said cloth bag filter (3) through the gas transmission pipeline (207);
the smoke exhaust pipe (5) is communicated with the centrifugal ventilator (4) through a gas transmission pipeline (207).
3. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 1, wherein: the side wall of the rotational flow part (7) is fixedly connected with the inner wall of the shell (208), and the lower surface of the rotational flow part (7) is fixedly connected with the support ring (204).
4. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 1, wherein: the cyclone plate (7032) is arranged on the outer side wall of the bearing (7033) in a surrounding mode around the circle center of the through hole (7034), and the cyclone plate (7032) is in the shape of an inclined fan impeller.
5. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 1, wherein: the rotational flow device (703) is movably connected with the fixed seat (701) through a bearing through the outer fixed ring (7031).
6. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 1, wherein: the filter part (8) is fixedly connected with the filter element supporting seat (2010) through the fixing lug (803).
7. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 1, wherein: the bottom of the first spray pipe (903) is designed to be an internal thread opening, and the first spray pipe (903) is in threaded connection with the filter element (801) through the top end of the threaded pipe (8012).
8. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 1, wherein: the bottom end of the threaded pipe (8012) is in threaded connection with a second spraying pipe (9032), and spraying holes (9031) are formed in the peripheries of the side walls of the first spraying pipe (903) and the first spraying pipe (903).
9. The energy-saving environment-friendly kiln flue gas treatment device as claimed in claim 8, wherein: the second spraying pipe (9032) penetrates through the through hole (7034) to be fixed in the fixed seat (701), and the length of the second spraying pipe (9032) is the same as the height of the fixed seat (701).
10. The flue gas treatment method of the energy-saving environment-friendly kiln flue gas treatment device comprises the energy-saving environment-friendly kiln flue gas treatment device as claimed in any one of claims 1 to 9, and is characterized in that: the method comprises the following steps:
(I) flue gas particulate matter treatment stage:
s1, supplying power to the centrifugal fan (4), operating the centrifugal fan (4), and conveying the flue gas into the purification tower (2) through the air inlet (201) by the centrifugal fan (4);
s2, enabling the smoke containing a large amount of particulate matters to pass through the cyclone part (7), enabling the inclined cyclone plate (7032) to rotate along with the suction of the smoke dust and the airflow passing through the cyclone plate (7032), enabling the cyclone plate (7032) to have a guiding effect to enable the rotation motion to be intensified, generating strong centrifugal force, and enabling the particulate matters in the smoke to be separated out from the smoke and thrown to the inner wall of the fixed seat (701);
s3, allowing the particles to flow to the bottom of the purification tower (2) under the action of gravity to realize separation of the particles in the flue gas;
(II) flue gas filtering treatment stage:
s4, after removing the particulate matters, the flue gas enters a filtering part (8) through a cyclone part (7);
s5, filtering the smoke through a filter element (801), and discharging the filtered smoke through an air outlet (802);
(III) cooling the flue gas:
s6, running the centrifugal fan (4) and the circulating water pump (6) simultaneously;
s7, the water in the water storage tank (206) is sent into the first spraying pipe (903) and the second spraying pipe (9032) through the connecting pipe (601) by the circulating water pump (6), and the water is sprayed out from the spraying holes (9031);
s8, the water flow sprayed by the first spraying pipe (903) cools the smoke in the filter element (801), and simultaneously, the filter element (801) is backwashed, particles adhered to the outer wall of the filter element (801) are washed away, and the particles fall into the storage groove (702);
s9, washing the particles adhered to the inner wall of the fixed seat (701) by the water flow sprayed by the second spraying pipe (9032), and enabling the particles to fall into a water storage tank (206) at the bottom of the purification tower (2);
(IV) a smoke discharge stage:
s7, further filtering the flue gas which is flushed and cooled by the first spraying pipe (903) through the first filter screen (205), and discharging the flue gas from an exhaust port (203) of the purification tower (2);
s8, further filtering the flue gas by the cloth bag filter (3), sending the flue gas into the smoke exhaust pipe (5) by the centrifugal fan (4), and finally exhausting the flue gas by the smoke exhaust pipe (5).
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| CN202011074554.8A CN112495102A (en) | 2020-10-09 | 2020-10-09 | Energy-saving environment-friendly kiln flue gas treatment device and treatment method thereof |
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| CN202011074554.8A CN112495102A (en) | 2020-10-09 | 2020-10-09 | Energy-saving environment-friendly kiln flue gas treatment device and treatment method thereof |
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Application publication date: 20210316 |