CN112691487A

CN112691487A - Exhaust treatment device for thermal power generation

Info

Publication number: CN112691487A
Application number: CN202110034326.6A
Authority: CN
Inventors: 郭爱
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-04-23

Abstract

The invention discloses a waste gas treatment device for thermal power generation, which comprises a box body, wherein a partition plate, a filter screen layer, an active carbon adsorption layer and a microorganism filter layer are sequentially arranged in the box body from bottom to top, a plurality of air outlet pipes are equidistantly arranged in a box section of the box body between the filter plate and the filter screen layer from front to back, a flow dividing air pipe is arranged on the side of the box body, one ends of the air outlet pipes, which are close to the flow dividing air pipe, extend into the flow dividing air pipe, an air inlet is arranged on the flow dividing air pipe, a cooling pipe is fixedly arranged in the box section of the box body below the partition plate, a rotating pipe is rotatably arranged in the box section of the box body above the microorganism filter layer, a plurality of rows of atomizing nozzles and disturbing plates are embedded in the pipe wall of the rotating pipe in an axial direction at equal intervals, and a liquid storage box is fixedly arranged on, has good economic benefit and practical significance.

Description

Exhaust treatment device for thermal power generation

Technical Field

The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for thermal power generation.

Background

Thermal power generation is a power generation mode that thermal energy generated by combustible materials during combustion is converted into electric energy through a power generation power device, and the power generation mode comprises pure power supply, power generation and heat supply according to the functions of the thermal power generation mode, and mainly comprises steam turbine power generation, gas turbine power generation and diesel engine power generation according to a prime mover, and the thermal power generation mode mainly comprises coal-fired power generation, fuel oil power generation, gas power generation, garbage power generation, methane power generation, power generation by utilizing waste heat of an industrial boiler and the like according to the used fuel.

The invention provides a waste gas treatment device for thermal power generation to solve the problems because coal combustion is mostly adopted for power generation, and the coal combustion can generate a large amount of waste gas and particles which are not completely combusted, and the direct discharge can seriously pollute the atmospheric environment.

Disclosure of Invention

An embodiment of the present invention aims to provide an exhaust gas treatment device for thermal power generation to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a waste gas treatment device for thermal power generation comprises a box body, wherein a partition plate, a filter screen layer, an active carbon adsorption layer and a microorganism filter layer are sequentially arranged in the box body from bottom to top, a plurality of air outlet pipes are arranged in a box section between the filter plate and the filter screen layer from front to back at equal intervals, a plurality of air outlet nozzles are embedded in the pipe wall of each air outlet pipe at equal intervals, a shunt air pipe is arranged on the side of the box body, one ends of the air outlet pipes, which are close to the shunt air pipes, extend into the shunt air pipes, an air inlet is arranged on the shunt air pipe, a cooling pipe is fixedly arranged in the box section below the partition plate, a rotating pipe is arranged in the box section above the microorganism filter layer, a plurality of rows of atomizing nozzles and turbulence plates are embedded in the rotating pipe at equal intervals in the annular direction, a liquid storage tank is fixedly arranged on the side, one end of the liquid guide pipe, which is far away from the liquid conveying pump, is communicated with one end of the rotary pipe and is rotationally connected with the rotary pipe through a sealing bearing, and a plurality of air outlets are uniformly arranged at the top of the box body.

In one alternative: two threaded rods are installed through symmetry and rotation around the bearing in filter plate top, wear to be equipped with between two threaded rods and be used for the scraper blade of scraping sedimentary filth on the filter plate, the scraper blade lower extreme fully contacts with the filter plate, the threaded connection relation that is the adaptation between scraper blade and two threaded rods, fixed mounting has second servo motor on the box lateral wall, second servo motor is positive and negative motor, second servo motor's output shaft extends to in the box and is connected with one of them one end of two threaded rods, be connected through belt drive mechanism between two threaded rods, be equipped with the clearance mouth that is used for clearing up filth on the filter plate on the box lateral wall.

In one alternative: the bottom half is equipped with vibration damping mount, and vibration damping mount includes lower plate and punch holder, evenly is equipped with many shock attenuation poles between lower plate and the punch holder and has rubber shock attenuation granule through glue bonding packing, and the shock attenuation pole includes the inserted bar and inserts a section of thick bamboo, and the inserted bar slides to insert and locates to insert a section of thick bamboo, and the inserted bar is located to insert a section of thick bamboo one end and inserts and be equipped with damping spring between the section of thick bamboo inner chamber bottom.

In one alternative: a plurality of rollers are symmetrically arranged at the bottom of the damping base.

In one alternative: and foam insulation boards are fixedly attached to the bottom of the partition plate and the inner wall of the box section of the box body below the partition plate.

In one alternative: the cooling tube is snakelike winding column structure, the box lateral wall is equipped with the outlet pipe on being located the region between baffle and the filter plate, the one end that the baffle was kept away from to the outlet pipe is connected with the input of cooling tube, be connected with circulating water pump on the outlet pipe, circulating water pump passes through support fixed mounting on the box lateral wall, fixedly connected with return pipe on the output of cooling tube, the one end that the cooling tube was kept away from to the return pipe extends to in the box, the box lateral wall is located and is equipped with the mouth that adds ice on the region of baffle below, box lateral wall lower part is equipped with and is used for melting the ice.

In one alternative: a first servo motor is fixedly mounted on the side wall of the box body, and an output shaft of the first servo motor extends into the box body and is connected with one end of the rotating pipe.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

1. the device structural layout is reasonable, easy operation, and convenient to use can fully effectively get rid of dust, smell and harmful substance in the waste gas, and purifying effect is good and the cost is lower, has good economic benefits and practical meaning.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a shock-absorbing rod according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 1.

FIG. 4 is a three-dimensional view of a housing in an embodiment of the invention.

Notations for reference numerals: 1-roller, 2-lower splint, 3-shock absorption rod, 4-upper splint, 5-first drain, 6-foam heat preservation plate, 7-return pipe, 8-ice adding port, 9-clapboard, 10-second drain, 11-filter plate, 12-belt transmission mechanism, 13-air outlet pipe, 14-air outlet nozzle, 15-infusion pump, 16-liquid storage tank, 17-liquid guide pipe, 18-liquid adding port, 19-disturbance plate, 20-rotating pipe, 21-air outlet, 22-box body, 23-first servo motor, 24-microorganism filter layer, 25-active carbon adsorption layer, 26-filter screen layer, 27-water injection port, 28-shunt air pipe, 29-air inlet, 30-second servo motor, 31-threaded rod, 32-scraper, 33-water outlet pipe, 34-circulating water pump, 35-cooling pipe, 36-rubber damping particle, 37-inserted rod, 38-inserted cylinder, 39-damping spring and 40-atomizing nozzle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1 to 4, in the embodiment of the present invention, an exhaust gas treatment device for thermal power generation includes a box body 22, a partition plate 9, a filter plate 11, a filter screen layer 26, an activated carbon adsorption layer 25 and a microorganism filter layer 24 are sequentially disposed in the box body 22 from bottom to top, wherein water is stored between the partition plate 9 and the filter screen layer 26 to cool high-temperature exhaust gas which just enters the box body 22, dust and unburned coal particles in the exhaust gas can be removed, a plurality of outlet pipes 13 are disposed in a box section of the box body 22 between the filter plate 11 and the filter screen layer 26 at equal intervals from front to back, a plurality of outlet nozzles 14 are embedded in pipe walls of each outlet pipe 13 at equal intervals, a branch gas pipe 28 is disposed on a side of the box body 22, one ends of the outlet pipes 13 close to the branch gas pipe 28 extend into the branch gas pipe 28, each outlet pipe 13 is communicated with the interior of the branch gas pipe, the air inlet 29 is arranged on the diversion pipe 28, the water filling port 27 is arranged on the area of the side wall of the box body 22 below the filter screen layer 26, the second water outlet 10 for discharging water between the partition plate 9 and the filter screen layer 26 is arranged on the side wall of the box body 22, the cooling pipe 35 is fixedly arranged in the box section of the box body 22 below the partition plate 9, the cooling pipe 35 is of a snake-shaped serpentine structure, the water outlet pipe 33 is arranged on the area of the side wall of the box body 22 between the partition plate 9 and the filter plate 11, one end of the water outlet pipe 33 far away from the partition plate 9 is connected with the input end of the cooling pipe 35, the water outlet pipe 33 is connected with the circulating water pump 34, the circulating water pump 34 is fixedly arranged on the side wall of the box body 22 through a support, the water return pipe 7 is fixedly connected on the output end of the cooling pipe 35, one, a first water discharge port 5 for discharging water generated by melting ice cubes is formed at a lower portion of a side wall of the case 22.

The box 22 is located the case section internal rotation of microorganism filter layer 24 top and installs the rotating pipe 20, the hoop equidistance inlays and is equipped with multirow atomizer 40 and disturbance board 19 on the rotating pipe 20 pipe wall, set up each other in turn between multirow atomizer 40 and the multirow disturbance board 19, fixed mounting has first servo motor 23 on the box 22 lateral wall, the output shaft of first servo motor 23 extends to in the box 22 and is connected with rotating pipe 20 one end, fixed being equipped with liquid reserve tank 16 on the box 22 lateral wall, be equipped with filling opening 18 on the liquid reserve tank 16, fixed being equipped with transfer pump 15 in liquid reserve tank 16 inner chamber bottom, fixedly connected with catheter 17 on the output of transfer pump 15, catheter 17 keeps away from transfer pump 15 one end and rotating pipe 20 and keeps away from the one end intercommunication of first servo motor 23 and is connected rather than rotating through sealed bearing, the box 22 top evenly is equipped with a.

Further, in order to avoid the solid dirt such as dust in the waste gas, unburned complete coal particles and the like from forming sludge deposition and causing the filter plate 11 to be blocked, the water flow is smooth, two threaded rods 31 are symmetrically and rotatably installed in the front and back of the bearing above the filter plate 11, a scraping plate 32 used for scraping the deposited dirt on the filter plate 11 is arranged between the two threaded rods 31 in a penetrating manner, the lower end of the scraping plate 32 is in full contact with the filter plate 11, the scraping plate 32 and the two threaded rods 31 are in threaded connection in an adaptive manner, a second servo motor 30 is fixedly installed on the side wall of the box body 22, the second servo motor 30 is a forward and reverse motor, an output shaft of the second servo motor 30 extends into the box body 22 and is connected with one end of the two threaded rods 31, the two threaded rods 31 are connected through a belt transmission mechanism 12, the second servo motor 30 is started to rotate forward and reverse alternately so as to, therefore, sludge-like dirt deposited on the filter plates 11 is scraped, the holes of the filter plates 11 are prevented from being blocked, smooth water flow is guaranteed, cleaning openings (not shown in the drawing) for cleaning the dirt on the filter plates 11 are formed in the side walls of the box body 22, when the device stops operating, the second water outlet 10 is opened first to discharge water, and then the cleaning openings are opened to clean the water.

Further, in order to improve the safety and stability of the device, a damping base is arranged at the bottom of the box body 22 and comprises a lower clamping plate 2 and an upper clamping plate 4, a plurality of damping rods 3 are uniformly arranged between the lower clamping plate 2 and the upper clamping plate 4 and are filled with rubber damping particles 36 through glue bonding, each damping rod 3 comprises an insertion rod 37 and an insertion cylinder 38, the insertion rod 37 is slidably inserted into the insertion cylinder 38, and a damping spring 39 is arranged between one end of the insertion rod 37, which is located in the insertion cylinder 38, and the bottom of an inner cavity of the insertion cylinder 38.

Furthermore, in order to move the device conveniently, a plurality of rollers 1 are symmetrically arranged at the bottom of the damping base.

When the device is used, firstly, the box section of the box body 22 between the partition plate 9 and the filter screen layer 26 is filled with ice blocks, the waste gas enters the diversion air pipe 28 through the air inlet 29 and is evenly diverted to each air outlet pipe 13, then the waste gas is sprayed out through each air outlet nozzle 14 and is mixed with water to achieve the purposes of cooling and eliminating solid dirt, meanwhile, the circulating water pump 34 pumps the water out, the water is cooled through the cooling pipe 35 and then returns to the box body 22, so that the water temperature is always in a low state, the high-temperature waste gas is rapidly and efficiently cooled, the cooled waste gas continuously rises and is filtered through the filter screen layer 26, adsorbed through the activated carbon adsorption layer 25 and filtered and purified through the microorganism filter layer 24 and then rises to the upper part of the inner cavity of the box body 22, at the moment, the liquid pump 15 pumps the purified liquid in the liquid storage box 16 into the rotary pipe 20 and discharges the purified liquid in a mist form through each atomizing nozzle 40, the first servo motor 23 drives the rotating pipe 20 to rotate, so that the plurality of disturbance plates 19 drive the airflow to rapidly flow, and the airflow is fully mixed and reacted with the vaporous purification treatment liquid to eliminate toxic and harmful substances in the airflow and finally discharged through the plurality of air outlets 21.

Example 2

Further, in order to prevent the ice cubes from melting too fast and keep the cooling effect for a long time, the bottom of the partition plate 9 and the inner wall of the box section of the box body 22 below the partition plate 9 are fixedly attached with the foam insulation boards 6.

The working principle of the invention is as follows: when the invention is used, firstly, the box section of the box body 22 between the partition plate 9 and the filter screen layer 26 is filled with ice blocks, and water is injected into the box section of the box body 26 under the partition plate 9, the waste gas enters the diversion air pipe 28 through the air inlet 29 and is evenly divided into the air outlet pipes 13, and then the waste gas is sprayed out through the air outlet nozzles 14 and is mixed with the water, thereby achieving the purposes of cooling and eliminating solid dirt, meanwhile, the water is pumped out by the circulating water pump 34, is cooled by the cooling pipe 35 and then returns to the box body 22, so that the water temperature is always in a lower state, the high-temperature waste gas is rapidly and efficiently cooled, the cooled waste gas continuously rises and rises to the upper part of the inner cavity of the box body 22 after being sequentially filtered by the filter screen layer 26, adsorbed by the activated carbon adsorption layer 25 and filtered and purified by the microorganism filtration layer 24, and then rises to the upper part of the inner cavity of the box body 22, at the moment, the liquid pump, the first servo motor 23 drives the rotating pipe 20 to rotate, so that the plurality of disturbance plates 19 drive the airflow to rapidly flow, and the airflow is fully mixed and reacted with the vaporous purification treatment liquid to eliminate toxic and harmful substances in the airflow and finally discharged through the plurality of air outlets 21.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A waste gas treatment device for thermal power generation comprises a box body (22) and is characterized in that a partition plate (9), a filter plate (11), a filter screen layer (26), an activated carbon adsorption layer (25) and a microorganism filter layer (24) are sequentially arranged in the box body (22) from bottom to top, a plurality of air outlet pipes (13) are equidistantly arranged in a box section of the box body (22) between the filter plate (11) and the filter screen layer (26) from front to back, a plurality of air outlet nozzles (14) are embedded in the pipe wall of each air outlet pipe (13) at equal intervals, a flow dividing air pipe (28) is arranged on the side of the box body (22), one ends of the air outlet pipes (13) close to the flow dividing air pipe (28) extend into the flow dividing air pipe (28), an air inlet (29) is arranged on the flow dividing air pipe (28), and a cooling pipe (35) is fixedly arranged in the box section of;

rotating pipe (20) are installed in the case section internal rotation that box (22) are located microorganism filter layer (24) top, it inlays on the pipe wall of rotating pipe (20) to be equipped with multirow atomizer (40) and disturbance board (19) to radial equidistance, fixed liquid reserve tank (16) that are equipped with on box (22) lateral wall, fixed transfer pump (15) that are equipped with in liquid reserve tank (16) inner chamber bottom, fixedly connected with catheter (17) on the output of transfer pump (15), infusion pump (15) one end and rotating pipe (20) one end intercommunication are kept away from in catheter (17) and are connected rather than rotating through sealed bearing, box (22) top evenly is equipped with a plurality of gas outlets (21).

2. The exhaust gas treatment device for thermal power generation according to claim 1, wherein two threaded rods (31) are symmetrically and rotatably mounted in front and back directions above the filter plate (11) through a bearing, a scraper (32) for scraping dirt deposited on the filter plate (11) penetrates between the two threaded rods (31), the lower end of the scraper (32) is in full contact with the filter plate (11), the scraper (32) and the two threaded rods (31) are in adaptive threaded connection, a second servo motor (30) is fixedly mounted on the side wall of the box body (22), the second servo motor (30) is a forward and reverse rotation motor, an output shaft of the second servo motor (30) extends into the box body (22) and is connected with one end of one of the two threaded rods (31), the two threaded rods (31) are connected through a belt transmission mechanism (12), and a cleaning opening for cleaning the dirt on the filter plate (11) is formed in the side wall of the box body (22).

3. The exhaust gas treatment device for thermal power generation according to claim 1, wherein a damping base is arranged at the bottom of the box body (22), the damping base comprises a lower clamping plate (2) and an upper clamping plate (4), a plurality of damping rods (3) are uniformly arranged between the lower clamping plate (2) and the upper clamping plate (4) and rubber damping particles (36) are filled in the damping rods through glue bonding, the damping rods (3) comprise insertion rods (37) and insertion cylinders (38), the insertion rods (37) are slidably inserted in the insertion cylinders (38), and damping springs (39) are arranged between one ends of the insertion rods (37) in the insertion cylinders (38) and the bottoms of inner cavities of the insertion cylinders (38).

4. The exhaust gas treatment device for thermal power generation according to claim 3, wherein a plurality of rollers (1) are symmetrically provided at the bottom of the damper base.

5. The exhaust gas treatment device for thermal power generation according to claim 1, wherein the foam insulation board (6) is fixedly attached to the bottom of the partition (9) and the inner wall of the tank section of the tank body (22) below the partition (9).

6. The exhaust gas treatment device for thermal power generation according to claim 1, wherein the cooling pipe (35) has a serpentine structure, a water outlet pipe (33) is provided in a region between the partition plate (9) and the filter plate (11) on the side wall of the tank (22), one end of the water outlet pipe (33) away from the partition plate (9) is connected to an input end of the cooling pipe (35), a circulating water pump (34) is connected to the water outlet pipe (33), the circulating water pump (34) is fixedly mounted on the side wall of the tank (22) through a support, a water return pipe (7) is fixedly connected to an output end of the cooling pipe (35), one end of the water return pipe (7) away from the cooling pipe (35) extends into the tank (22), an ice adding port (8) is provided in a region below the partition plate (9) on the side wall of the tank (22), and a first water discharge port (5) for discharging water produced and melted by ice cubes is provided.

7. The exhaust gas treatment device for thermal power generation according to claim 1, wherein a first servo motor (23) is fixedly mounted on a side wall of the case (22), and an output shaft of the first servo motor (23) extends into the case (22) and is connected to one end of the rotary pipe (20).