CN211025778U

CN211025778U - Innocent treatment device for cement kiln combustion waste gas

Info

Publication number: CN211025778U
Application number: CN201921896701.2U
Authority: CN
Inventors: 权以平
Original assignee: Huize Dianbei Industry & Trade Co ltd
Current assignee: Huize Dianbei Industry & Trade Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-17
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a cement kiln combustion waste gas's innocent treatment device, cooler including connecting gradually, the sack cleaner, the denitration desulfurizer, the water curtain scrubber, defroster and UV photolysis ware, UV photolysis ware includes box and the horizontal baffle of polylith of upper and lower interval arrangement in the box, leave the breach between the one end of horizontal baffle and the inner wall of box, the breach staggered arrangement of two adjacent horizontal baffles, horizontal baffle separates into a plurality of photolysis rooms with the inner space of box, the inlet end that is located the photolysis room of the top is provided with the intake pipe, the end of giving vent to anger that is located the photolysis room of the bottom is provided with the outlet duct, all the interval is provided with a plurality of photolysis subassemblies in every photolysis room, the photolysis subassembly includes rectangular frame, UV fluorescent tube and lamp shade, the top and the bottom of photolysis room all process have with rectangular frame's frame matched with slot. The utility model discloses it is comprehensive to handle the harmful component in the waste gas, and the treatment effeciency is high, and purifying effect is good, has apparent economic value and social value.

Description

Innocent treatment device for cement kiln combustion waste gas

Technical Field

The utility model relates to a cement manufacture technical field, concretely relates to cement kiln combustion gas's innocent treatment device.

Background

The cement is prepared by using limestone, clay and iron raw materials as main raw materials, preparing raw materials according to a proper proportion, and carrying out processes of raw material homogenization, preheating decomposition, clinker calcination, cement grinding and the like, wherein the clinker calcination adopts a cement kiln, a large amount of waste gas is generated in the working process of the cement kiln, the waste gas not only contains a large amount of smoke dust and dust, but also generates harmful gases such as sulfur dioxide, nitrogen oxide, fluoride, carbon dioxide, carbon monoxide and the like, wherein the sulfur dioxide is colorless and pungent and smelly toxic gas, is incombustible and easy to liquefy and is the most important one of sulfur-containing atmospheric pollutants, the nitrogen oxide is mainly derived from high-temperature combustion of fuel, and the higher the flame temperature in the cement kiln is, the more the nitrogen oxide is harmful to mainly invade a fine bronchus and alveolus deep in a respiratory tract of a human body, so that if the waste gas generated by the cement kiln is not, the environment is polluted and the human body is damaged greatly. At present, although a plurality of waste gas treatment devices are provided, the problems that harmful components in waste gas are not treated completely, the treatment efficiency is low, the purification effect is poor, the discharged gas still has bad smell and peculiar smell and the like exist. Therefore, it is objective to develop a harmless treatment device for cement kiln combustion waste gas, which can treat the harmful components in the waste gas comprehensively, has high treatment efficiency and good purification effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cement kiln burning waste gas's innocent treatment device to harmful component in the waste gas is handled comprehensively, and the treatment effeciency is high, and purifying effect is good.

The utility model aims to realize the purpose, which comprises a cooler, a bag-type dust remover and a denitration and desulfurization device which are connected in sequence, water curtain scrubber, defroster and UV photolysis ware, UV photolysis ware includes the box and the polylith horizontal baffle of interval arrangement in the box from top to bottom, leave the breach between the one end of horizontal baffle and the inner wall of box, breach staggered arrangement between two adjacent horizontal baffles of top and bottom and the box inner wall, horizontal baffle separates into a plurality of photodissociation rooms with the inner space of box, the inlet end that is located the photolysis room of the top is provided with the intake pipe, the end of giving vent to anger that is located the photolysis room of the bottom is provided with the outlet duct, the indoor equal interval of every photolysis is provided with a plurality of photodissociation subassemblies, the photodissociation subassembly includes rectangular frame, a plurality of UV fluorescent tubes are installed to the interval from top to bottom in the rectangular frame, all the cover is equipped with the lamp shade on every UV fluorescent tube, the top and the bottom of photolysis room all.

Further, an air detector is arranged on the air outlet pipe, an air return pipe is arranged on the air detector, and the air outlet end of the air return pipe is communicated with the air inlet pipe.

Furthermore, the air inlet end of the air inlet pipe is connected with a filter pipe through a flange, and an activated carbon layer is arranged in the filter pipe.

Further, a photocatalyst net is horizontally arranged at the gap.

Furthermore, a layer of mirror reflection plate is arranged on the inner wall of the box body and on the surface of the horizontal partition plate.

Furthermore, the inlet end that is located the photolysis room of the top is provided with first dust removal pipe, is provided with first dust removal valve on the first dust removal pipe, and the end of giving vent to anger that is located the photolysis room of the bottom is provided with the second and removes dust the pipe, is provided with second dust removal valve and hair-dryer on the second dust removal pipe.

The utility model discloses set up horizontal baffle in UV photodissociation ware, space in with whole box has been separated into a plurality of photodissociation rooms through horizontal baffle, when the operation, the waste gas that the cement kiln burning produced gets into the box from the photodissociation room of superiors, pass through the breach of each photodissociation room and horizontal baffle in proper order, it flows to be the curvilinear figure from top to bottom in the box from top to bottom, and the ultraviolet beam who sends through the UV fluorescent tube shines in flowing process, make the harmful component degradation in the waste gas convert into low molecular compound or mineralize completely and generate carbon dioxide and water, reach the purpose of driving harmful component and deodorization in the waste gas, the setting of horizontal baffle can increase the time that waste gas stayed in the box in the photodissociation ware, make waste gas receive the exposure time extension of ultraviolet ray beam, the treatment effeciency of harmful component in the waste gas has been improved, in addition, the utility model discloses combine setting such as sack cleaner and denitration desulfurizer, can comprehensively treat harmful components such as dust, sulfur dioxide and nitrogen oxides in the waste gas, has better purification effect, and can meet the requirement of innocent treatment of the cement kiln combustion waste gas. The utility model discloses it is comprehensive to handle the harmful component in the waste gas, and the treatment effeciency is high, and purifying effect is good, has apparent economic value and social value.

Drawings

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

FIG. 2 is a schematic diagram of the UV photolyzer 6 according to the present invention;

FIG. 3 is a schematic diagram of the photolysis module 13 according to the present invention;

in the figure: 1-a cooler, 2-a bag-type dust remover, 3-a denitration desulfurizer, 4-a water curtain washer, 5-a demister, 6-a UV photolyzer, 7-a box body, 8-a horizontal partition plate, 9-a notch, 10-a photolysis chamber, 11-an air inlet pipe, 12-an air outlet pipe, 13-a photolysis component, 14-a rectangular frame, 15-a UV lamp tube, 16-a lampshade, 17-an air detector, 18-an air return pipe, 19-a flange, 20-a filter pipe, 21-an activated carbon layer, 22-a photocatalyst net, 23-a specular reflection plate, 24-a first dust removal pipe, 25-a first dust removal valve, 26-a second dust removal pipe, 27-a second dust removal valve and 28-a blower.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.

As shown in fig. 1 to 3, the present invention includes a cooler 1, a bag-type dust collector 2, a denitration desulfurizer 3, a water curtain washer 4, a demister 5 and a UV photolysis device 6, wherein the UV photolysis device 6 includes a box 7 and a plurality of horizontal partition plates 8 arranged in the box 7 at intervals from top to bottom, a gap 9 is left between one end of each horizontal partition plate 8 and the inner wall of the box 7, the gaps between two adjacent horizontal partition plates are staggered from top to bottom, the horizontal partition plates 8 divide the inner space of the box 7 into a plurality of photolysis chambers 10, an air inlet pipe 11 is arranged at the air inlet end of the photolysis chamber 10 at the top, an air outlet pipe 12 is arranged at the air outlet end of the photolysis chamber 10 at the bottom, a plurality of photolysis modules 13 are arranged in each photolysis chamber 10 at intervals, each photolysis module 13 includes a rectangular frame 14, a plurality of UV lamps 15 are arranged in the rectangular frame 14 at intervals from top to bottom, each UV lamp tube 15 is sleeved with a lamp cover 16, and the top and bottom of each photolysis chamber 10 are respectively formed with a slot matching with the frame of the rectangular frame 14.

The utility model discloses well cooler 1's effect is the reduction exhaust gas temperature, prevent the high temperature to the burn of follow-up sack cleaner 2 middle hop-pocket, sack cleaner 2's effect is dust and smoke and dust in cleaing away waste gas, denitration desulfurizer 3's effect is harmful components such as sulfur dioxide and nitrogen oxide in cleaing away waste gas, water curtain scrubber 4's effect is that washing through the water curtain purifies waste gas, defroster 5's effect is the steam that contains in detaching waste gas, prevent that steam from entering into UV photodissociation ware 6 and hindering the degradation of ultraviolet ray beam harmful and peculiar smell composition in to waste gas and purifying.

The utility model discloses in, what UV fluorescent tube 15 adopted is that singly organize the mode of setting, when certain UV fluorescent tube damages need to maintain or change, only need with this group photolysis subassembly 13 from the box 7 in take out can, do not influence other photolysis subassembly 13's normal operating, such setting makes photolysis subassembly 13's installation, maintenance and change all comparatively swift convenience.

The utility model discloses set up horizontal baffle 8 in UV photolysis ware 6, space in whole box 7 has become a plurality of photolysis rooms 10 through horizontal baffle 8, when operation, the waste gas that the cement kiln burning produced gets into box 7 from photolysis room 10 of the superiors, pass through the breach of each photolysis room 10 and horizontal baffle 8 in proper order, from the top down is the curvilinear figure of making a round trip to flow in box 7, and the ultraviolet ray beam that sends through UV fluorescent tube 15 in the flow process shines, make the harmful component degradation in the waste gas turn into low molecular compound or mineralize completely and generate carbon dioxide and water, reach harmful component and deodorant purpose in the cleaing away waste gas, the setting up of horizontal baffle 8 can increase the time that waste gas stayed in box 7 in UV photolysis ware 6, make waste gas receive the exposure time extension of ultraviolet ray beam, the treatment effeciency of harmful component in the waste gas has been improved, in addition, the utility model discloses combine setting such as sack cleaner 2 and denitration desulfurizer 3, can carry out comprehensive treatment to harmful components such as dust, sulfur dioxide and nitrogen oxide in the waste gas, purifying effect is better, can satisfy the innocent treatment requirement of cement kiln burning waste gas.

An air detector 17 is arranged on the air outlet pipe 12, an air return pipe 18 is arranged on the air detector 17, and the air outlet end of the air return pipe 18 is communicated with the air inlet pipe 11. The air detector 17 is an existing device and can detect the quality of air, if the detection result is qualified, the purified air is discharged into the atmosphere, and if the detection result is unqualified, the waste gas can return to the UV photolyzer 6 through the air return pipe 18 to be photolyzed and purified again, so that the air discharged into the atmosphere is ensured to meet the national emission standard.

The air inlet end of the air inlet pipe 11 is connected with a filter pipe 20 through a flange 19, and an activated carbon layer 21 is installed in the filter pipe 20. The adsorbable material such as dust that remains in waste gas of activated carbon layer 21 can play filterable effect, and secondly, activated carbon layer 21 also can play the effect that the speed reduction cushioned and the dispersion is even to waste gas, prevents waste gas to the impact of UV fluorescent tube 15, is favorable to the shining of follow-up ultraviolet ray light beam to waste gas simultaneously.

A photocatalyst net 22 is horizontally arranged at the notch 9. The photocatalyst net 22 and the photocatalyst net 22 are of the existing structure, can catalyze the waste gas under the action of ultraviolet light, can effectively degrade toxic and harmful gases in the waste gas, can effectively kill various bacteria, and can decompose and harmlessly treat toxins released by the bacteria or fungi.

A layer of mirror reflection plate 23 is arranged on the inner wall of the box body 7 and the surface of the horizontal clapboard 8. The mirror reflection plate 2 can reflect the ultraviolet light beams irradiated on the surfaces of the box body 7 and the horizontal partition plate 8 back, and the waste gas is irradiated and degraded again, so that the ultraviolet light beams can be fully utilized, and the degradation efficiency of harmful components in the waste gas is improved to a certain extent.

The inlet end of the photolysis chamber 10 located at the uppermost position is provided with a first dust removal pipe 24, the first dust removal pipe 24 is provided with a first dust removal valve 25, the outlet end of the photolysis chamber 10 located at the lowermost position is provided with a second dust removal pipe 26, and the second dust removal pipe 26 is provided with a second dust removal valve 27 and a blower 28. UV photodissociation ware 6 is in long-term use, and a small amount of dust that remains in the gas can fall on lamp shade 16, influences the ultraviolet ray light beam of UV fluorescent tube 15 and to the shining of waste gas, reduces the degradation efficiency of harmful component in the waste gas, can open first dust removal valve 25 and second dust removal valve 27 at this moment, opens hair-dryer 28, carries out the reverse blow to in the box 7, blows off the dust, guarantees harmful component's in the waste gas degradation efficiency.

Claims

1. The utility model provides a cement kiln waste gas's innocent treatment device, includes cooler (1), sack cleaner (2), denitration desulfurizer (3), water curtain scrubber (4), defroster (5) and UV light ware (6) that connect gradually, its characterized in that: the UV photolysis device (6) comprises a box body (7) and a plurality of horizontal partition plates (8) which are arranged in the box body (7) at intervals from top to bottom, a notch (9) is reserved between one end of each horizontal partition plate (8) and the inner wall of the box body (7), the notches (9) between the two adjacent upper and lower horizontal partition plates (8) and the inner wall of the box body (7) are arranged in a staggered manner, the horizontal partition plates (8) separate the inner space of the box body (7) into a plurality of photolysis chambers (10), an air inlet pipe (11) is arranged at the air inlet end of the photolysis chamber (10) positioned at the top, an air outlet pipe (12) is arranged at the air outlet end of the photolysis chamber (10) positioned at the bottom, a plurality of photolysis components (13) are arranged in each photolysis chamber (10) at intervals, each photolysis component (13) comprises a rectangular frame (14), a plurality of UV lamp tubes (15) are arranged in the rectangular frame (14, the top and the bottom of each photolysis chamber (10) are respectively provided with a slot matched with the frame of the rectangular frame (14).

2. The cement kiln combustion waste gas harmless treatment device according to claim 1, wherein an air detector (17) is arranged on the air outlet pipe (12), an air return pipe (18) is arranged on the air detector (17), and an air outlet end of the air return pipe (18) is communicated with the air inlet pipe (11).

3. The cement kiln combustion waste gas harmless treatment device according to claim 1, characterized in that the air inlet end of the air inlet pipe (11) is connected with a filter pipe (20) through a flange (19), and an activated carbon layer (21) is installed in the filter pipe (20).

4. The device for harmlessly treating the combustion exhaust gas of the cement kiln according to claim 1, wherein a photocatalyst net (22) is horizontally installed at the notch (9).

5. The cement kiln combustion waste gas innocent treatment device according to claim 1, wherein a layer of mirror reflection plate (23) is arranged on the inner wall of the box body (7) and the surface of the horizontal partition plate (8).

6. The cement kiln combustion gas innocent treatment device according to claim 1, characterized in that a first dust removal pipe (24) is arranged at the air inlet end of the photolysis chamber (10) at the top, a first dust removal valve (25) is arranged on the first dust removal pipe (24), a second dust removal pipe (26) is arranged at the air outlet end of the photolysis chamber (10) at the bottom, and a second dust removal valve (27) and a blower (28) are arranged on the second dust removal pipe (26).