CN213492638U

CN213492638U - Flue gas treatment mechanism of desulfurizing tower

Info

Publication number: CN213492638U
Application number: CN202021241422.5U
Authority: CN
Inventors: 梁艳玲
Original assignee: Hengyang Chengyu Zinc Products Co ltd
Current assignee: Hengyang Chengyu Zinc Products Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-06-22
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a flue gas treatment mechanism of desulfurizing tower relates to flue gas treatment technical field, including tobacco pipe and filter equipment, the air inlet has been seted up to the left surface of tobacco pipe, and the inside side fixed mounting of tobacco pipe has the heating pipe, and the back top embedding of tobacco pipe is provided with the inlet tube, and the middle part embedding of inlet tube is provided with the water pump, and inlet tube embedding tobacco pipe fixed mounting has the water pipe, and the middle part fixed mounting of water pipe has the shower nozzle, and the back middle part embedding of tobacco pipe is provided with solenoid valve. The utility model discloses in, through installing the shower nozzle, through the heating of heating pipe to the tobacco pipe inner wall, make the kerosene solid matter that adheres to at the tobacco pipe inner wall melt, simultaneously, make the inlet tube to water pipe transportation water through the water pump for the shower nozzle carries out the spray rinsing to the inner wall of tobacco pipe, erodees the solid matter of tobacco pipe inner wall, avoids the flue gas when the pipeline, and the kerosene solid matter blocks up the pipeline, influences the work of desulfurizing tower, and sewage passes through the outlet pipe and outwards discharges.

Description

Flue gas treatment mechanism of desulfurizing tower

Technical Field

The utility model relates to a flue gas treatment technical field especially relates to a flue gas treatment mechanism of desulfurizing tower.

Background

Along with the development of industry, sulfur dioxide causes atmospheric pollution and harm thereof, has become the environmental problem that people pay close attention to increasingly, consequently, control coal fired boiler's sulfur dioxide of emission, to controlling atmospheric pollution, it has the meaning of playing a vital role to improve ecological environment, for better environmental protection, people all can carry out desulfurization treatment to coal fired boiler's flue gas usually, insert coal fired boiler's flue gas into the pipeline of desulfurizing tower and handle, but the kerosene that contains in the flue gas of emission can block up the pipeline, and contain more impurity in the flue gas and can influence the effect of desulfurization, the technical consideration is not comprehensive at present, have following drawback:

1. when coal fired boiler discharged the flue gas, the temperature of flue gas was too high, and the flue gas of discharging in the coal contains kerosene moreover, and the flue gas is when passing through the pipeline, and kerosene can be stained with in attaching the pipeline, when the pipeline cooling, can form the solid, and long-time use can influence the flue gas and get into the desulfurizing tower, reduces desulfurizing tower work efficiency.

2. When using the desulfurizing tower to purify the flue gas that coal boiler produced, contain the dust in the flue gas, when entering into the desulfurizing tower, the dust meets the bottom that liquid can drop the desulfurizing tower, can make the bottom in the desulfurizing tower pile up the precipitate, influences desulfurated effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flue gas treatment mechanism of a desulfurizing tower.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a flue gas treatment mechanism of a desulfurizing tower comprises a flue pipe and a filtering device, wherein an air inlet is formed in the left side surface of the flue pipe, a heating pipe is fixedly installed on the inner side surface of the flue pipe, a water inlet pipe is embedded above the back surface of the flue pipe, a water pump is embedded in the middle of the water inlet pipe, a water pipe is fixedly installed by embedding the water inlet pipe into the flue pipe, a spray head is fixedly installed in the middle of the water pipe, an electromagnetic valve is embedded in the middle of the back surface of the flue pipe, a water outlet pipe is embedded in one side, away from the flue pipe, of the electromagnetic valve, a PLC (programmable logic controller) is fixedly installed between the water inlet pipe and the water outlet pipe, a butterfly valve is embedded in the inner lower part of the flue pipe, the filtering device is fixedly installed below the butterfly valve, a filtering layer is, one side of the second filter screen, which is far away from the filter layer, is fixedly provided with a first filter screen, an electric push rod is fixedly arranged above the left sides of the first filter screen and the second filter screen, an ash collecting box is fixedly arranged on the right sides of the first filter screen and the second filter screen, and an air outlet is formed in the bottom of the smoke pipe.

Preferably, the filter layer is an activated carbon layer.

Preferably, an opening is formed between the filtering device and the ash collecting box, the first filtering net and the second filtering net are inclined at 30 degrees towards the opening of the ash collecting box, the first filtering net is made of an iron wire net, and the second filtering net is made of a non-woven fabric material.

Preferably, the electric push rod is tangent to the upper surfaces of the first filter screen and the second filter screen.

Preferably, the upper surface of the butterfly valve and the bottom end of the interior of the water outlet pipe are on the same horizontal plane.

Preferably, the positions of the spray heads are staggered, and the nozzles of the spray heads are all inclined downwards.

Preferably, the water inlet pipe is connected with an external water source through a conduit.

Preferably, the heating pipe, the electric push rod, the electromagnetic valve, the PLC controller and the water pump are all electrically connected with an external power supply through power lines, and signal receiving ends of the heating pipe, the electric push rod, the electromagnetic valve and the water pump are all in signal connection with a signal transmitting end of the PLC controller.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through installing the shower nozzle, through the heating of heating pipe to the tobacco pipe inner wall, make the kerosene solid matter that adheres to at the tobacco pipe inner wall melt, simultaneously, make the inlet tube to water pipe transportation water through the water pump for the shower nozzle carries out the spray rinsing to the inner wall of tobacco pipe, erodees the solid matter of tobacco pipe inner wall, avoids the flue gas when the pipeline, and the kerosene solid matter blocks up the pipeline, influences the work of desulfurizing tower, and sewage passes through the outlet pipe and outwards discharges.

2. Secondly, through installing filter screen one and filter screen two, filter screen one and filter screen two all to the ash box opening part gradient, filter screen one is the wire netting, filter screen two is made for non-woven fabrics material, when the desulfurizing tower purifies the flue gas that coal boiler produced, the flue gas enters into the tobacco pipe from the air inlet earlier, wire netting on the filter screen one can filter great impurity, the dust that contains in the non-woven fabrics in the filter screen two can further filtration flue gas, reduce in the dust enters into the desulfurizing tower, promote the ash blanket on filter screen one and the filter screen two through electric putter and the ash collecting box avoids impurity and dust to pile up on filter screen one and filter screen two, hinder the flue gas to pass through.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the filtering apparatus of the present invention;

fig. 4 is a schematic view of a partial structure of the middle smoke tube of the present invention.

In fig. 1 to 4, the correspondence between the part names or lines and the reference numbers is:

a smoke pipe 1; a heating pipe 2; a spray head 3; a dust collection box 4; an air inlet 5; an air outlet 6; a filtering device 7; a first filter screen 701; a second filter screen 702; an electric push rod 703; a filter layer 704; a water outlet pipe 8; an electromagnetic valve 9; a water inlet pipe 10; a water pump 11; a butterfly valve 12; a water pipe 13; a PLC controller 14.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a flue gas treatment mechanism of a desulfurization tower, including a flue tube 1 and a filtering device 7, an air inlet 5 is disposed on a left side surface of the flue tube 1, a heating pipe 2 is fixedly mounted on an inner side surface of the flue tube 1, a water inlet pipe 10 is embedded above a back surface of the flue tube 1, a water pump 11 is embedded in a middle portion of the water inlet pipe 10, a water pipe 13 is fixedly mounted on the water inlet pipe 10 embedded in the flue tube 1, a nozzle 3 is fixedly mounted in a middle portion of the water pipe 13, an electromagnetic valve 9 is embedded in a middle portion of the back surface of the flue tube 1, a water outlet pipe 8 is embedded on a side of the electromagnetic valve 9 away from the flue tube 1, a PLC controller 14 is fixedly mounted between the water inlet pipe 10 and the water outlet pipe 8, a butterfly valve 12 is embedded below the inner portion of the flue tube 1, the filtering device 7, a second filter screen 702 is fixedly mounted above the filter layer 704, a first filter screen 701 is fixedly mounted on one side, far away from the filter layer 704, of the second filter screen 702, an electric push rod 703 is fixedly mounted above the left sides of the first filter screen 701 and the second filter screen 702, an ash collecting box 4 is fixedly mounted on the right sides of the first filter screen 701 and the second filter screen 702, and an air outlet 6 is formed in the bottom of the smoke pipe 1.

Furthermore, the filter layer 704 is an activated carbon layer, and the activated carbon has strong adsorbability and can adsorb harmful gases in the flue gas.

Further, be provided with the opening between filter equipment 7 and the ash collecting box 3, filter screen 701 and filter screen two 702 all incline 30 degrees to ash collecting box 4 openings part, filter screen 701 is the wire netting, filter screen two 702 is made for non-woven fabrics material, when the gas fume that the desulfurizing tower produced coal boiler purified, the gas fume entered into tobacco pipe 1 from air inlet 5 earlier, the wire netting on filter screen 701 can filter great impurity, the dust that contains in the non-woven fabrics in the filter screen two 702 can further filtration gas fume, reduce the dust and enter into in the desulfurizing tower.

Further, the electric push rod 703 is tangent to the upper surfaces of the first filter screen 701 and the second filter screen 702, and the ash layers on the first filter screen 701 and the second filter screen 702 are pushed to the ash collecting box 3 through the electric push rod 703.

Furthermore, the upper surface of the butterfly valve 12 and the bottom end inside the water outlet pipe 8 are on the same horizontal plane, so that sewage can be discharged from the water outlet pipe 8 better, and the sewage is prevented from being accumulated on the butterfly valve 12.

Furthermore, the positions of the spray heads 3 are staggered, the nozzles of the spray heads 3 are all inclined downwards, and the spray heads 3 spray into the opposite smoke pipes 1 when spraying, so that the smoke pipes 1 are cleaned, and the smoke pipes 1 are prevented from being blocked.

Further, the water inlet pipe 10 is connected to an external water source through a pipe.

Further, the heating pipe 2, the electric push rod 703, the electromagnetic valve 9, the PLC controller 14 and the water pump 11 are all electrically connected with an external power supply through power lines, and signal receiving ends of the heating pipe 2, the electric push rod 703, the electromagnetic valve 9 and the water pump 11 are all in signal connection with a signal transmitting end of the PLC controller 14.

The working principle is as follows: when in use, firstly, the smoke enters the smoke tube 1 from the air inlet 5, the smoke flows to the filtering device 7, meanwhile, the electromagnetic valve 9 is closed, the butterfly valve 12 is opened to allow the smoke to pass through, then, the smoke passes through a first filter screen 701 and a second filter screen 702 to filter solid impurities and dust contained in the smoke, the ash layers on the first filter screen 701 and the second filter screen 702 are pushed to the ash collecting box 4 by the electric push rod 703, so that impurities and dust are prevented from being accumulated on the first filter screen 701 and the second filter screen 702 to block the smoke from passing through, then, when the flue gas enters the desulfurizing tower, the electromagnetic valve 9 is opened, the butterfly valve 12 is closed, the kerosene solid on the inner wall of the flue pipe 1 is melted by heating the heating pipe 2, meanwhile, the water inlet pipe 10 is used for conveying water to the water pipe 13 through the water pump 11, so that the spray head 3 sprays the inner wall of the smoke pipe 1, and finally, the sewage is discharged outwards through the water outlet pipe 8.

The embodiments of the present application have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A flue gas treatment mechanism of a desulfurizing tower comprises a flue gas pipe (1) and a filtering device (7), and is characterized in that an air inlet (5) is formed in the left side face of the flue gas pipe (1), a heating pipe (2) is fixedly installed on the inner side face of the flue gas pipe (1), a water inlet pipe (10) is embedded above the back face of the flue gas pipe (1), a water pump (11) is embedded in the middle of the water inlet pipe (10), a water pipe (13) is fixedly installed on the water inlet pipe (10) embedded in the flue gas pipe (1), a spray head (3) is fixedly installed in the middle of the water pipe (13), an electromagnetic valve (9) is embedded in the middle of the back face of the flue gas pipe (1), a water outlet pipe (8) is embedded in one side of the electromagnetic valve (9) far away from the flue gas pipe (1), a PLC (14) is fixedly installed between the water, the inside below embedding of tobacco pipe (1) is provided with butterfly valve (12), the below fixed mounting of butterfly valve (12) has filter equipment (7), the inside below fixed mounting of filter equipment (7) has filter layer (704), the top fixed mounting filter screen two (702) of filter layer (704), one side fixed mounting that filter layer (704) were kept away from in filter screen two (702) has filter screen one (701), the equal fixed mounting in left side top of filter screen one (701) and filter screen two (702) has electric putter (703), the right side fixed mounting of filter screen one (701) and filter screen two (702) has ash-collecting box (4), gas outlet (6) have been seted up to the bottom of tobacco pipe (1).

2. The flue gas treatment device of a desulfurization tower according to claim 1, wherein said filter layer (704) is an activated carbon layer.

3. The flue gas treatment mechanism of the desulfurizing tower of claim 1, wherein an opening is arranged between the filtering device (7) and the ash collecting box (4), the first filtering net (701) and the second filtering net (702) are both inclined to the opening of the ash collecting box (4) by 30 degrees, the first filtering net (701) is made of wire netting, and the second filtering net (702) is made of non-woven fabric material.

4. The flue gas treatment mechanism of the desulfurizing tower of claim 1, wherein the electric push rod (703) is tangent to the upper surfaces of the first filter screen (701) and the second filter screen (702).

5. The flue gas treatment mechanism of the desulfurization tower of claim 1, wherein the upper surface of the butterfly valve (12) is on the same horizontal plane with the inner bottom end of the water outlet pipe (8).

6. The flue gas treatment device of the desulfurization tower according to claim 1, wherein the spray heads (3) are staggered from each other, and the nozzles of the spray heads (3) are all inclined downwards.

7. The flue gas treatment device of a desulfurization tower according to claim 1, wherein the water inlet pipe (10) is connected to an external water source through a conduit.

8. The flue gas treatment mechanism of the desulfurizing tower of claim 1, wherein the heating pipe (2), the electric push rod (703), the electromagnetic valve (9), the PLC controller (14) and the water pump (11) are all electrically connected with an external power supply through power lines, and signal receiving ends of the heating pipe (2), the electric push rod (703), the electromagnetic valve (9) and the water pump (11) are all in signal connection with a signal transmitting end of the PLC controller (14).