CN212651621U

CN212651621U - Exhaust gas treatment device

Info

Publication number: CN212651621U
Application number: CN202021290291.XU
Authority: CN
Inventors: 田政
Original assignee: Guangzhou Chengyuan Environmental Protection Equipment Engineering Co ltd
Current assignee: Guangzhou Chengyuan Environmental Protection Equipment Engineering Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-05
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to the technical field of environmental protection equipment, and discloses a waste gas treatment device, which comprises a spray tower, a connecting pipeline, a fan, an exhaust pipeline and a detection platform, wherein the exhaust pipeline is vertically arranged on the detection platform, two ends of the fan are respectively communicated with the exhaust pipeline and the connecting pipeline, the other end of the connecting pipeline is communicated with the spray tower, the outer peripheral wall of the lower end part of the spray tower is provided with a waste gas inlet, the inner bottom part of the spray tower is provided with a water tank, a vertical water pump, an automatic dosing machine and a PH detection rod, the automatic dosing machine is arranged above the water tank, the automatic dosing machine is internally provided with sulfuric acid or sodium hydroxide neutralizing liquid, the PH detection rod is vertically arranged on the automatic dosing machine, and the lower end part of the PH detection rod extends into the water tank, and the upper end part of the interior of the spray tower is sequentially provided with a defogging layer, an atomizing nozzle and a packing layer from top to bottom. The technical scheme of the utility model can improve the purification performance to waste gas.

Description

Exhaust gas treatment device

Technical Field

The utility model relates to an environmental protection equipment technical field, in particular to exhaust treatment device.

Background

The waste gas treating apparatus is one environment protecting apparatus for protecting environment and purifying air via recovering, eliminating and reducing harmful components in exhausted tail gas.

However, the existing exhaust gas treatment device has the problem of low efficiency of removing harmful gases in the exhaust gas, only simple exhaust gas treatment is performed, and the harmful gases are discharged into the air, so that air pollution is easily caused, the health of people is harmed, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an exhaust treatment device, it is low to aim at solving the harmful gas in the current exhaust treatment device waste gas and get rid of efficiency, causes air pollution easily, endangers the healthy technical problem of people.

In order to achieve the purpose, the utility model provides a waste gas treatment device, which comprises a spray tower, a connecting pipeline, a fan, an exhaust pipeline and a detection platform, wherein the spray tower and the detection platform are vertically arranged on the ground side by side, the exhaust pipeline is vertically arranged on the detection platform, the fan is arranged below the detection platform, two ends of the fan are respectively communicated with the exhaust pipeline and the connecting pipeline, the top of the spray tower is provided with a waste gas outlet, the other end of the connecting pipeline is communicated with the waste gas outlet, the outer peripheral wall of the lower end part of the spray tower is provided with a waste gas inlet, the inner bottom of the spray tower is provided with a water tank, a vertical water pump, an automatic dosing machine and a PH detection rod, the automatic dosing machine is arranged above the water tank, the automatic dosing machine is internally provided with sulfuric acid or sodium hydroxide neutralizing liquid, the vertical setting of PH detection stick is in on the automatic medicine feeder, just the lower tip of PH detection stick stretches into set up in the basin, the upper end of the inside of spray column is from last to being equipped with defogging layer, atomizer and packing layer down in proper order, just atomizer align to grid's setting is on a shower, the lower tip of shower with vertical water pump intercommunication, vertical water pump through a water pipe with the bottom of basin is linked together.

The water tank is characterized by further comprising a sewage discharge pipe, the sewage discharge pipe is horizontally arranged at the bottom of the water tank, an overflow port and an automatic water replenishing port are respectively arranged at the upper end part and the lower end part of the water tank, the overflow port is communicated with the sewage discharge pipe through a vertical pipe, and a sewage discharge valve is arranged at one end of the sewage discharge pipe.

Furthermore, the number of the atomizing spray heads is 8, and the inner diameters of the atomizing spray heads are all 25 mm.

Further, the inner diameter of the spray pipe is 50 mm.

Furthermore, the packing layer comprises a plurality of spherical Raschig ring packing materials, and the diameters of the spherical Raschig ring packing materials are all 75 mm.

Further, the periphery wall of spray column is from last to being equipped with three observation window down in proper order, just observation window detachable lid is equipped with a transparent glass respectively.

Further, the peripheral wall of exhaust duct is equipped with a plurality of inspection holes.

Further, the defogging layer includes grid plate backup pad and sets up the multi-face ball filler in grid plate backup pad.

Further, the diameter size of the multi-surface ball filler is 50 mm.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, utilize the harmful gas in the waste gas to be acid, alkaline, and be hydrophilicity, through the waste gas import suction spray column of fan group with the waste gas of collecting, flow through the filler layer section (the medium of gas/liquid contact reaction), let waste gas and globular raschig ring filler surface mobile sulphuric acid or sodium hydroxide neutralization solution fully contact to adsorb the acid or alkaline filth that contains in the waste gas, after the washing, the waste liquid is collected to the basin, discharges to the effluent disposal of water system again; through adopting the reverse absorption mode of gas-liquid to handle, neutralization solution sprays downwards with vaporific (or droplet) from the top of the tower, waste gas then upwards flows in the reverse direction by the tower body bottom, reach the purpose of gas-liquid contact, the packing layer has the slow flow effect to waste gas air current, the area of contact of waste gas with the reaction of neutralization solution has been increased simultaneously, improve the purifying power of spray column to waste gas, the clearance of harmful gas (such as sulfur dioxide, hydrogen sulfide etc.) in the waste gas reaches more than 95%, the clean effect has been improved, the vaporific absorption liquid that the defogging layer brought out waste gas is caught, is got rid of, can cool off waste gas simultaneously, condition gas and get rid of the granule, after handling through the defogging section, send gas into exhaust duct through the fan, can discharge clean air in the atmosphere, reach the purpose of clean air, effectively avoid waste gas pollution environment, therefore, the clothes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of an exhaust gas treatment device according to an embodiment of the present invention;

fig. 2 is a schematic view of a process flow of waste gas treatment of a waste gas treatment device according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a waste gas treatment device.

As shown in fig. 1 and fig. 2, in an embodiment of the present invention, the waste gas treatment apparatus includes a spray tower 100, a connecting pipe 200, a blower 300, an exhaust pipe 400 and a detection platform 500, wherein the spray tower 100 and the detection platform 500 are vertically arranged on the ground side by side, the exhaust pipe 400 is vertically arranged on the detection platform 500, the blower 300 is arranged below the detection platform 500, two ends of the blower 300 are respectively communicated with the exhaust pipe 400 and the connecting pipe 200, a waste gas outlet 101 is arranged at the top of the spray tower 100, the other end of the connecting pipe 200 is communicated with the waste gas outlet 101, a waste gas inlet 102 is arranged on the outer peripheral wall of the lower end of the spray tower 100, a water tank 103, a vertical water pump 104, an automatic chemical dosing machine 105 and a PH detection rod 106 are arranged at the inner bottom of the spray tower 100, automatic medicine adding machine 105 sets up the top of basin 103, be equipped with sulphuric acid or sodium hydroxide neutralization solution in the automatic medicine adding machine 105, the vertical setting of PH detection stick 106 is in on the automatic medicine adding machine 105, just the lower tip of PH detection stick 106 stretches into set up in the basin 103, the upper end of the inside of spray column 100 is from last to being equipped with except that fog layer 107, atomizer 108 and packing layer 109 down in proper order, just atomizer 108 align to grid's setting is on a shower 110, the lower tip of shower 110 with vertical water pump 104 intercommunication, vertical water pump 104 through a water pipe with the bottom of basin 103 is linked together.

Specifically, the sewage treatment device further comprises a sewage discharge pipe 111, the sewage discharge pipe 111 is horizontally arranged at the bottom of the water tank 103, an overflow port 1031 and an automatic water replenishing port (not shown) are respectively arranged at the upper end part and the lower end part of the water tank 103, the overflow port 1031 is communicated with the sewage discharge pipe 111 through a vertical pipe 1032, a sewage discharge valve 1111 is arranged at one end of the sewage discharge pipe 111, and sediments at the bottom of the water tank can be discharged through the sewage discharge pipe.

Specifically, the quantity of atomizer 108 is equipped with 8, just the internal diameter size of atomizer 108 is 25mm, and atomizer is 120 and sprays effectually.

Specifically, the inner diameter of the spray pipe 110 is 50mm, so that the circulation of the circulating liquid is ensured.

Specifically, the packing layer 109 comprises a plurality of spherical Raschig rings (not shown), the diameters of the spherical Raschig rings are all 75mm, and the Raschig rings are one of the first artificial packing used in industry. The annular packing is made of ceramic or metal sheets, the height and the diameter of the annular packing are equal, the annular packing has a fixed geometric shape, the structure is simple, the price is low, the packing layer has a flow slowing effect on waste gas flow, the contact area of the waste gas and a neutralizing liquid is increased, and the purification capacity of the spray tower on the waste gas is improved.

Specifically, the periphery wall of spray column 100 is equipped with three observation window 112 from last to down in proper order, just observation window 112 detachable lid respectively is equipped with a transparent glass, is convenient for observe the inside behavior of spray column, can also dismantle transparent glass, changes the inside filler of spray column.

Specifically, the periphery wall of exhaust duct 400 is equipped with a plurality of inspection holes 401, is convenient for detect whether exhaust gas is up to standard.

Specifically, the defogging layer 107 includes a grid plate support plate 1071 and a plurality of spherical fillers (not shown) disposed on the grid plate support plate, and mainly functions to effectively isolate moisture and prevent the moisture from being discharged with the gas.

Specifically, the diameter size of the multi-face ball filler is 50 mm.

Specifically, the utility model discloses a theory of operation does: harmful gases in the waste gas are acidic and alkaline and hydrophilic, the collected waste gas is sucked into a spray tower through a waste gas inlet by a fan set and flows through a filler layer section (a medium for gas/liquid contact reaction), so that the waste gas is fully contacted with a sulfuric acid or sodium hydroxide neutralizing liquid flowing on the surface of a spherical Raschig ring filler to adsorb acidic or alkaline dirt contained in the waste gas, and after washing, the waste liquid is collected into a water tank and then discharged to a waste water system for treatment; through adopting the reverse absorption mode of gas-liquid to handle, neutralization solution sprays downwards with vaporific (or droplet) from the top of the tower, waste gas then upwards flows in the reverse direction by the tower body bottom, reach the purpose of gas-liquid contact, the packing layer has the slow flow effect to waste gas air current, the area of contact of waste gas with the reaction of neutralization solution has been increased simultaneously, improve the purifying power of spray column to waste gas, the clearance of harmful gas (such as sulfur dioxide, hydrogen sulfide etc.) in the waste gas reaches more than 95%, the clean effect has been improved, the vaporific absorption liquid that the defogging layer brought out waste gas is caught, is got rid of, can cool off waste gas simultaneously, condition gas and get rid of the granule, after handling through the defogging section, send gas into exhaust duct through the fan, can discharge clean air in the atmosphere, reach the purpose of clean air, effectively avoid waste gas pollution environment, therefore, the clothes.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A waste gas treatment device is characterized by comprising a spray tower, a connecting pipeline, a fan, an exhaust pipeline and a detection platform, wherein the spray tower and the detection platform are vertically arranged on the ground side by side, the exhaust pipeline is vertically arranged on the detection platform, the fan is arranged below the detection platform, two ends of the fan are respectively communicated with the exhaust pipeline and the connecting pipeline, a waste gas outlet is formed in the top of the spray tower, the other end of the connecting pipeline is communicated with the waste gas outlet, a waste gas inlet is formed in the peripheral wall of the lower end part of the spray tower, a water tank, a vertical water pump, an automatic dosing machine and a PH detection rod are arranged at the inner bottom of the spray tower, the automatic dosing machine is arranged above the water tank, a sulfuric acid or sodium hydroxide neutralizing liquid is arranged in the automatic dosing machine, the vertical setting of PH detection stick is in on the automatic medicine feeder, just the lower tip of PH detection stick stretches into set up in the basin, the upper end of the inside of spray column is from last to being equipped with defogging layer, atomizer and packing layer down in proper order, just atomizer align to grid's setting is on a shower, the lower tip of shower with vertical water pump intercommunication, vertical water pump through a water pipe with the bottom of basin is linked together.

2. The waste gas treatment device of claim 1, further comprising a drain pipe horizontally disposed at the bottom of the sink, wherein the upper end portion and the lower end portion of the sink are respectively provided with an overflow port and an automatic water replenishing port, the overflow port is communicated with the drain pipe through a vertical pipe, and one end of the drain pipe is provided with a drain valve.

3. The exhaust gas treatment device of claim 1, wherein the number of the atomizer nozzles is 8, and the inner diameters of the atomizer nozzles are all 25 mm.

4. The exhaust gas treatment device of claim 1, wherein the shower pipe has an inner diameter of 50 mm.

5. The exhaust gas treatment device of claim 1, wherein the packing layer comprises a plurality of spherical Raschig ring packings, and the spherical Raschig ring packings are all 75mm in diameter.

6. The waste gas treatment device of claim 1, wherein the outer peripheral wall of the spray tower is provided with three observation windows in sequence from top to bottom, and the observation windows are respectively provided with a transparent glass cover in a detachable manner.

7. The exhaust gas treatment device according to claim 1, wherein the outer peripheral wall of the exhaust pipe is provided with a plurality of detection holes.

8. The exhaust treatment device of claim 1, wherein the demister layer comprises a grid plate support plate and a multi-faceted sphere packing disposed on the grid plate support plate.

9. The exhaust gas treatment device of claim 8, wherein the multi-faceted sphere packing has a diameter size of 50 mm.