CN213396611U

CN213396611U - Secondary treatment device of desulfurization and denitrification device

Info

Publication number: CN213396611U
Application number: CN202022090377.4U
Authority: CN
Inventors: 郭选锋; 郭帅
Original assignee: Henan Yushuai Industrial Co ltd
Current assignee: Henan Yushuai Industrial Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-08
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a cleaner production technical field discloses SOx/NOx control device secondary treatment device, it includes kiln and exhaust-gas treatment case, the chimney of kiln and the intake-tube connection of exhaust-gas treatment case, the gas outlet of exhaust-gas treatment case is connected with the sack cleaner, be provided with the baffle on the roof inner wall of exhaust-gas treatment case, the inner chamber of exhaust-gas treatment case passes through the baffle and separates for first superficial dirt chamber and second superficial dirt chamber, the roof of exhaust-gas treatment case is provided with reinforced subassembly, the bottom of the case of exhaust-gas treatment case is provided with discharging channel, be provided with dust exhaust spare in the discharging channel, dust exhaust spare is located the second superficial dirt intracavity, dust exhaust spare's discharge gate is provided with dustproof subassembly. The utility model has the advantages that: install magnet on the plastic door curtain through the clamping piece, make adjacent plastic door curtain closed each other to the order encloses the plastic door curtain on discharging channel and forms airtight space, prevents to discharge useless treating agent in-process, and dust diffusion pollutes workshop environment.

Description

Secondary treatment device of desulfurization and denitrification device

Technical Field

The utility model relates to a cleaner production technical field, especially SOx/NOx control device secondary treatment device.

Background

In recent years, with the generation of haze, more and more people are attracted to the air quality and the emission situation of atmospheric pollutants, and the emission of smoke pollutants of industrial kilns is a large pollution source of industrial waste gas emission.

S0 in exhaust gas₂Is one of the main pollutants of the atmosphere. Desulphurization unit is the equipment that is arranged in carrying out desulfurization treatment to industrial waste gas, and in the actual production process, the discharge gate of desulfurization treatment's equipment lacks dustproof subassembly, and the dust rises to pollute workshop environment when the waste discharge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a SOx/NOx control device secondary treatment device to the discharge gate of the subassembly of solving current SOx/NOx control processing lacks the problem of dust keeper.

The purpose of the utility model is realized through the following technical scheme: the secondary treatment device of the desulfurization and denitrification device comprises a kiln and a waste gas treatment box, wherein a chimney of the kiln is connected with an air inlet pipe of the waste gas treatment box, the air inlet pipe is positioned at the top of the waste gas treatment box and extends towards the bottom of the waste gas treatment box, an air outlet of the waste gas treatment box is connected with a bag-type dust remover, a partition plate is arranged on the inner wall of the top of the waste gas treatment box, an inner cavity of the waste gas treatment box is divided into a first floating dust cavity and a second floating dust cavity through the partition plate, the first floating dust cavity is communicated with the second floating dust cavity, a feed inlet and an air outlet of the waste gas treatment box are both positioned in the first floating dust cavity, the surface of the partition plate is intersected with the end surface of a feed inlet of the waste gas treatment box, the top of the waste gas treatment box is provided with a discharge channel, and a dust discharging part is arranged in the discharge channel, the ash discharging part is located in the second floating dust cavity, and a discharging port of the ash discharging part is provided with a dustproof assembly.

Preferably, discharging channel includes square passageway section and arc passageway section, arc passageway section is kept away from the exhaust-gas treatment case, arrange grey spare and install including rotating row in the arc passageway section material roller, arrange the blade that is provided with a plurality of equipartitions along its circumference on the material roller, be located in the arc passageway section the blade with the inner wall of arc passageway section forms sealed chamber, dustproof subassembly is including enclosing to locate a plurality of plastic door curtains on the arc passageway section outer wall enclose to be located on the arc passageway section outer wall plastic door curtain forms airtight space with ground, the plastic door curtain is provided with a plurality of clamping pieces along its vertical limit, be provided with magnet in the clamping piece, it is adjacent the vertical limit of plastic door curtain passes through magnet adsorbs.

Preferably, a pair of baffle plates are arranged on the partition plate along the inclination direction of the partition plate, a channel between the pair of baffle plates is narrowed from two ends to the middle part, a feed inlet of the waste gas treatment box is close to one end at the high part of the baffle plates, a plurality of guide plates distributed in a fan shape are further arranged on the partition plate, and the guide plates are positioned between the lower parts of the pair of baffle plates.

Preferably, reinforced subassembly is including adding the material jar, add the discharge gate of material jar with the feed inlet of exhaust-gas treatment case is connected, electronic butterfly valve is installed to the discharge gate of material jar, install control on the lateral wall of material jar controller that electronic butterfly valve opened and stops is installed in the exhaust-gas treatment incasement, pressure sensor's signal output part with the signal input part of controller is connected.

Preferably, arrange the bearing all installed at the both ends of material roller, install the sealing washer on the bearing, it passes through to arrange the material roller the bearing rotates to be installed in the arc passageway section, the power input end of arranging the material roller is connected with the motor, the motor is installed through oblique pull rod on the outer wall of exhaust-gas treatment case.

Preferably, the bottom of the waste gas treatment box is an inclined plane, and the discharge channel is located at the lowest position of the bottom of the waste gas treatment box.

Preferably, the feed inlet of exhaust-gas treatment case is located the gas outlet of exhaust-gas treatment case with between the intake pipe, the bottom of the case slant of exhaust-gas treatment case the intake pipe.

Preferably, the air outlet of the waste gas treatment box is in a frustum shape, and the large end of the air outlet is positioned on the inner wall of the waste gas treatment box.

The utility model has the advantages of it is following:

1. install magnet on the plastic door curtain through the clamping piece, make adjacent plastic door curtain closed each other to the order encloses the plastic door curtain on discharging channel and forms airtight space, prevents to discharge useless treating agent in-process, and dust diffusion pollutes workshop environment.

2. When waste gas gets into the second and floats the dirt chamber, the finishing agent of bottom of the case floats in the second floats the dirt intracavity under the effect of air current, waste gas after the preliminary treatment passes the sealed wall that the finishing agent that falls along the baffle formed when getting into first superficial dirt chamber, further handle waste gas, and partial finishing agent is blown and floats into first superficial dirt chamber when waste gas passes the sealed wall, the density of floating dust in the first superficial dirt intracavity has been increased, make the contact quantity grow of waste gas and finishing agent of unit area, waste gas has further strengthened the treatment effect through handling twice.

3. The opening size of electric butterfly valve is adjusted in time to the atmospheric pressure value size that passes back through the baroceptor, controller, to supplementary desulfurization (nitre) agent in the exhaust-gas treatment case, has reduced workman intensity of labour.

4. The blades and the inner wall of the arc-shaped channel section form a sealed cavity, so that the waste gas is prevented from leaking to pollute the environment when the reacted desulfurizing (nitre) agent is discharged.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the mechanism of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 1 at C;

FIG. 6 is a schematic view of the installation structure of the plastic curtain;

in the figure, 1-kiln, 2-waste gas treatment box, 3-charging tank, 4-electric butterfly valve, 5-controller, 6-air pressure sensor, 7-square channel section, 8-arc channel section, 9-discharging roller, 10-blade, 11-bearing, 12-motor, 13-diagonal draw bar, 14-bag dust collector, 15-clapboard, 16-first dust floating cavity, 17-second dust floating cavity, 18-striker plate, 19-guide plate, 20-plastic door curtain, 21-closed space, 22-clamping piece and 23-magnet.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

As shown in fig. 1-5, a secondary treatment device of a desulfurization and denitrification apparatus comprises a kiln 1 and a waste gas treatment box 2, wherein a chimney of the kiln 1 is connected with an air inlet pipe of the waste gas treatment box 2, the air inlet pipe is positioned at the top of the waste gas treatment box 2 and extends towards the bottom of the waste gas treatment box 2, an air outlet of the waste gas treatment box 2 is connected with a bag-type dust remover 14, a baffle 15 is arranged on the inner wall of the top of the waste gas treatment box 2, the surface of the baffle 15 is intersected with the end surface of a feed inlet of the waste gas treatment box 2, an inner cavity of the waste gas treatment box 2 is divided into a first dust floating cavity 16 and a second dust floating cavity 17 by the baffle 15, the first dust floating cavity 16 is communicated with the second dust floating cavity 17, the feed inlet and the air outlet of the waste gas treatment box 2 are both positioned in the first dust floating cavity 16, the air inlet pipe is positioned in the second dust floating cavity 17, the bottom of the second dust floating cavity 17 is, the surface of the partition 15 is intersected with the end surface of the feed inlet of the waste gas treatment box 2, the top of the waste gas treatment box 2 is provided with a feeding tank 3, the discharge outlet of the feeding tank 3 is connected with the feed inlet of the waste gas treatment box 2, the discharge outlet of the feeding tank 3 is provided with an electric butterfly valve 4, the side wall of the feeding tank 3 is provided with a controller 5 for controlling the start and stop of the electric butterfly valve 4, the waste gas treatment box 2 is internally provided with an air pressure sensor 6, the signal output end of the air pressure sensor 6 is connected with the signal input end of the controller 5, the bottom of the waste gas treatment box 2 is provided with a discharge channel, the discharge channel comprises a square channel section 7 and an arc channel section 8, the arc channel section 8 is far away from the waste gas treatment box 2, a discharge roller 9 is rotatably arranged in the arc channel section 8, a plurality of uniformly distributed blades 10 are arranged on the discharge roller 9 along the, blade 10 that is located arc passageway section 8 and the inner wall of arc passageway section 8 form sealed chamber, enclose on the 8 outer walls of arc passageway section and be equipped with a plurality of plastic door curtains 20, enclose plastic door curtain 20 and the airtight space 21 of ground formation on locating the 8 outer walls of arc passageway section, plastic door curtain 20 is provided with a plurality of clamping pieces 22 along its vertical limit, is provided with magnet 23 in the clamping piece 22, and magnet 23 is passed through on adjacent plastic door curtain 20's vertical limit and is adsorbed.

The working process of the utility model is as follows: an electric butterfly valve 4 is opened in advance to add a desulfurization (nitre) agent in a feeding tank 3 into a waste gas treatment box 2, the desulfurization (nitre) agent is laid in a second floating dust cavity 17 to a certain thickness, then waste gas is introduced into the waste gas treatment box 2, the opening size of the electric butterfly valve 4 is adjusted according to the actual air inflow (the feeding amount of the treatment agent and the consumption amount of the treatment agent are kept in dynamic balance), when the waste gas enters the second floating dust cavity 17, the clustered powder treatment agent is rapidly diffused into the treatment box under the impact of air flow, the contact amount of the waste gas and the treatment agent in unit area is increased, the treatment agent at the bottom of the second floating dust cavity 17 can also carry out filtration and chemical reaction on the waste gas remained in the box body, the treatment effect of the treatment agent on the waste gas is improved, one part of the treatment agent enters a first floating dust cavity 16 along with the waste gas, and the other part of the treatment agent is agglomerated and settled to the, and the waste gas after pretreatment in the first dust floating cavity 16 passes through a sealing wall formed by a treating agent falling along the partition plate 15 to further treat the waste gas, and part of the treating agent is blown and floated into the first dust floating cavity 16 when the waste gas passes through the sealing wall, so that the density of the floating dust in the first dust floating cavity 16 is increased, the contact amount of the waste gas and the treating agent in a unit area is increased, the treatment effect is further enhanced after the waste gas is treated twice, and the magnets are arranged on the plastic curtains through the clamping pieces 22 to close the adjacent plastic curtains, so that the plastic curtains enclosed on the discharge channel form a closed space to prevent the waste treating agent from being discharged, the dust diffuses and pollutes the workshop environment.

In this embodiment, as shown in fig. 1 to 5, a pair of baffle plates 18 is disposed on the partition plate 15 along the inclined direction thereof, a channel between the pair of baffle plates 18 narrows from two ends to the middle, a feed inlet of the exhaust gas treatment tank is close to one end of the baffle plate 18 at the high position, the partition plate 15 is further provided with a plurality of guide plates 19 distributed in a fan shape, the guide plates 19 are located between the pair of baffle plates 18 at the low position, the treatment agent uniformly falls to the second dust floating cavity 17 along the partition plate through the guide plates 19, and the sealing effect of the sealing wall formed when the treatment agent falls is improved.

In the embodiment, as shown in fig. 1-5, bearings 11 are installed at both ends of the discharging roller 9, sealing rings are installed on the bearings 11, the discharging roller 9 is rotatably installed in the arc-shaped channel section 8 through the bearings 11, a power input end of the discharging roller 9 is connected with a motor 12, the motor 12 is installed on the outer wall of the waste gas treatment box 2 through a diagonal draw bar 13, the sealing rings prevent the treating agent and the waste gas from leaking from the gap between the discharging roller 9 and the arc-shaped channel, and the motor 12 drives the discharging roller 9 to rotate, thereby avoiding the labor intensity of workers.

In this embodiment, as shown in fig. 1-5, the air outlet of the waste gas treatment tank 2 is in a frustum shape, the large end of the air outlet is located on the inner wall of the waste gas treatment tank 2, due to the different densities of the treating agent and the flue gas, the treating agent floating under the action of inertia and centrifugal force sinks continuously, and according to the movement of the gas, the principle of "when the fluid moves in the pipe, the flow velocity at the small part of the cross section is large, and the flow velocity at the large part of the cross section is small" is followed, the waste gas mixed with the treating agent is accelerated continuously at the air outlet, negative pressure is formed at the large end of the air outlet of the tank body, and the treating agent sinking under the action of the negative pressure is accelerated and floats continuously, so that the content of the treating agent in.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. SOx/NOx control device secondary treatment device, including kiln and exhaust-gas treatment case, the chimney of kiln with the intake-tube connection of exhaust-gas treatment case, the intake pipe is located the roof of exhaust-gas treatment case, and to the bottom of the case of exhaust-gas treatment case extends, the gas outlet of exhaust-gas treatment case is connected with sack cleaner, its characterized in that: be provided with the baffle on the roof inner wall of exhaust-gas treatment case, the inner chamber of exhaust-gas treatment case passes through the baffle is separated for first superficial dirt chamber and second superficial dirt chamber, first superficial dirt chamber with the second floats dirt chamber intercommunication, the feed inlet of exhaust-gas treatment case all is located rather than the gas outlet first superficial dirt intracavity, the baffle place face with the terminal surface of the feed inlet of exhaust-gas treatment case is crossing, the roof of exhaust-gas treatment case is provided with reinforced subassembly, the bottom of the case of exhaust-gas treatment case is provided with discharging channel, be provided with row's ash spare in the discharging channel, it is located to arrange the ash spare the second floats the dirt intracavity, the discharge gate of arranging the ash spare is provided with dustproof subassembly.

2. The secondary treatment apparatus for desulfurization and denitrification apparatus according to claim 1, wherein: discharge channel includes square passageway section and arc passageway section, arc passageway section is kept away from the exhaust-gas treatment case, arrange grey spare and install including rotating row material roller in the arc passageway section, arrange the blade that is provided with a plurality of equipartitions along its circumference on the material roller, be located in the arc passageway section the blade with the inner wall of arc passageway section forms sealed chamber, dustproof subassembly is including enclosing to be located a plurality of plastic door curtains on the arc passageway section outer wall enclose to be located on the arc passageway section outer wall plastic door curtain forms airtight space with ground, the plastic door curtain is provided with a plurality of clamping pieces along its vertical limit, be provided with magnet in the clamping piece, it is adjacent the vertical limit of plastic door curtain passes through magnet adsorbs.

3. The secondary treatment apparatus for desulfurization and denitrification apparatus according to claim 2, wherein: the waste gas treatment device is characterized in that a pair of material baffle plates are arranged on the partition plate along the inclined direction of the partition plate, a channel between the pair of material baffle plates is narrowed from two ends to the middle part, a feed inlet of the waste gas treatment box is close to one end of the high part of the material baffle plates, a plurality of material guide plates which are distributed in a fan shape are further arranged on the partition plate, and the material guide plates are located between the lower parts of the pair of material baffle plates.

4. The secondary treatment apparatus for desulfurization and denitrification apparatus according to claim 3, wherein: reinforced subassembly is including adding the jar, add the discharge gate of material jar with the feed inlet of exhaust-gas treatment case is connected, add the discharge gate of material jar and install electric butterfly valve, install control on the lateral wall of material jar electric butterfly valve opens the controller that stops, install baroceptor in the exhaust-gas treatment case, baroceptor's signal output part with the signal input part of controller is connected.

5. The secondary treatment apparatus for desulfurization and denitrification apparatus according to claim 4, wherein: arrange the bearing all installed at the both ends of row material roller, install the sealing washer on the bearing, it passes through to arrange the material roller the bearing rotates to be installed in the arc passageway section, the power input end of arranging the material roller is connected with the motor, the motor passes through the diagonal draw bar and installs on the outer wall of exhaust-gas treatment case.

6. The secondary treatment apparatus for desulfurization and denitrification apparatus according to claim 5, wherein: the bottom of exhaust-gas treatment case is the inclined plane, discharging channel is located the bottom minimum of exhaust-gas treatment case.

7. The secondary treatment apparatus for desulfurization and denitrification apparatus according to claim 6, wherein: the feed inlet of exhaust-gas treatment case is located the gas outlet of exhaust-gas treatment case with between the intake pipe, the bottom of the case slant of exhaust-gas treatment case the intake pipe.

8. The secondary treatment apparatus for desulfurization and denitrification apparatus according to claim 7, wherein: the gas outlet of the waste gas treatment box is in a frustum shape, and the large end of the gas outlet is located on the inner wall of the waste gas treatment box.