CN210674771U - Novel pickling tower for treating volatile organic waste gas - Google Patents
Novel pickling tower for treating volatile organic waste gas Download PDFInfo
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- CN210674771U CN210674771U CN201921570913.1U CN201921570913U CN210674771U CN 210674771 U CN210674771 U CN 210674771U CN 201921570913 U CN201921570913 U CN 201921570913U CN 210674771 U CN210674771 U CN 210674771U
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Abstract
A novel pickling tower for treating volatile organic waste gas relates to the technical field of desulfurization equipment, and comprises a skirt and a cylinder body arranged on the skirt, wherein a waste gas inlet is formed in the bottom of the cylinder body, a waste gas outlet is formed in the top of the cylinder body, a water spray pipe and an acid spray pipe are arranged between the waste gas inlet and the waste gas outlet from top to bottom, an acid spray layer is formed by every two adjacent acid spray pipes, a diameter-limiting ring is sleeved outside an upper acid spray pipe nozzle in the acid spray layer, an inverted ring is sleeved outside a lower acid spray pipe nozzle, and bamboo hat-shaped filler is arranged below the inverted ring; the utility model discloses an installation limit diameter ring and inversion ring in spraying the layer, the shower nozzle that makes sour shower nozzle can spray comprehensively to the waste gas of flow through in the barrel to the overall arrangement that plays that the mistake that limit diameter ring and inversion ring formed is sent can arouse the waste gas disturbance, avoids the waste gas in blind spot region to be detained, and the setting that bamboo hat shape was packed can cover the internal diameter of whole barrel with sour circulation liquid guide.
Description
Technical Field
The utility model relates to a sweetener technical field, more specifically say, relate to a novel pickling tower of relevant inside spray line.
Background
Ammonia and H2S is a waste gas component which needs to be treated urgently in a coking plant, and the main source of the waste gas is the regeneration tower dissipated gas of a desulfurization device (HPF method) by combining the experience of a coking enterprise, and the prior recommended method is to adopt an acid washing and water washing method for waste gas treatment. The specific process is that the collected waste gas containing ammonia gas is sent to an acid washing tower, and diluted sulfuric acid or ammonium sulfate mother liquor is used for spraying and washing the waste gas containing ammonia gas to absorb ammonia therein. Then the waste gas is sent into a water washing tower, ammonia distillation wastewater is used for water washing, and the waste gas after water washing is introduced into H2And the treated waste gas is directly discharged to the atmosphere. And (4) sending the ammonium sulfate mother liquor obtained after the acid washing of the acid washing tower to an ammonium sulfate mother liquor tank in an ammonium sulfate working section through a circulating pump. And (4) sending the ammonia distillation wastewater after being washed by the water washing tower to phenol-cyanogen wastewater treatment through a circulating pump.
The diameter of the existing pickling tower is more than 2 meters mostly, and the area covered by the nozzle of a single spray pipe is difficult to completely cover the inner diameter of the pickling tower. Disclosed in application No. 2015103118635 entitled "a pickling column inlet gas distribution apparatus and method": the gas inlet distribution device of the pickling tower comprises a gas inlet pipeline of the pickling tower, an inclined cover plate, a guide cylinder and a support plate, wherein the gas inlet pipeline of the pickling tower is communicated with the pickling tower and is arranged in a downward inclined mode; and a gas guide plate is fixed at one side of the bottom of the guide cylinder, which faces to an air inlet pipeline of the pickling tower, the gas guide plate is hermetically connected with the guide cylinder, rectangular liquid discharge teeth are uniformly distributed at the other side of the bottom of the guide cylinder, and the central angle range of the liquid discharge teeth is 30-270 degrees. "it reduces the inside pipeline internal diameter of barrel through inside reinforcing plate and oblique apron for the nozzle can cover this pipeline, thereby can spray comprehensively to the flue gas through on this pipeline cross-section. However, the patent only discloses the concept of changing the internal pipe diameter of the pickling tower, and does not fully treat the intake distribution of the internal pipeline of the pickling tower in actual operation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a novel pickling tower that volatile organic waste gas administered, its distribution that changes inside and admit air for the shower nozzle can be handled the waste gas of the inside whole pipeline of washing tower, and then improves the effective absorption rate.
The utility model adopts the technical proposal that: the utility model provides a novel pickling tower that volatile organic waste gas administered, include the skirt and install the barrel on the skirt, this barrel bottom is provided with the waste gas entry, the top of barrel is provided with exhaust outlet, be provided with water shower and sour shower from top to bottom between waste gas entry and the exhaust outlet, play by the sour shower of bottommost, an acid of per two adjacent sour shower constitutions sprays the layer, and sour upper side in spraying the layer the overcoat of sour shower nozzle has the footpath ring, and the overcoat of the sour shower nozzle of downside has inversion ring, and bamboo hat shape filler is installed to the below of this inversion ring.
After the structure more than adopting, the utility model discloses a novel pickling tower that volatile organic waste gas administered compares with prior art and has following advantage: firstly, as the spray head of the acid spraying pipe is difficult to completely cover the inner diameter of the cylinder, and the pressure of the spray head conveyed to the upper layer of the cylinder by a pump is lower along with the increase of the height of the washing tower body, the coverage degree of the inner diameter of the cylinder is reduced, a diameter limiting ring and an inverted ring are arranged in a spraying layer, and acid circulating liquid sprayed by the spray head of the acid spraying pipe can effectively cover the inner diameters of the diameter limiting ring and the inverted ring, so that the acid circulating liquid can effectively treat waste gas passing through the two parts; secondly, compare in application number 2015103118635 named as "a pickling tower inlet air distribution device and method", the utility model discloses in install bamboo hat shape filler in the bottom of inversion ring, when dropping to bamboo hat shape filler by the sour circulation liquid of top shower nozzle department of spraying, sour circulation liquid is through the direction diffusion effect of bamboo hat shape filler, can scatter in the barrel is inside, sour circulation liquid can contact with waste gas in the in-process that drops to increase the efficiency of reaction; finally, the diameter limiting ring, the inverted ring and the bamboo hat-shaped filler in the spraying layer form a concave-convex route in the vertical direction, waste gas flowing from bottom to top easily forms turbulent flow in space, circulation and treatment of the waste gas are facilitated, the diameter limiting ring or the inverted ring is adopted alone, the waste gas in a corresponding dead angle area is easy to be detained, and circulation treatment of the waste gas is not facilitated.
Preferably, the radius of the inner ring of the diameter limiting ring is larger than that of the inner ring of the inverted ring, so that after the diameter limiting ring is sprayed by the acid spraying pipe, acid circulating liquid dropping from the inner ring of the diameter limiting ring can drop onto the surface of the inverted ring to be collected.
Preferably, the edge of the outer ring of the diameter limiting ring is provided with a liquid outlet, the diameter limiting ring is sleeved on the inner ring of the cylinder, and an annular groove is formed between the edge of the diameter limiting ring and the cylinder, so that the acid circulating liquid is easy to accumulate, and the liquid outlet is arranged for dredging the acid circulating liquid.
Preferably, eight acid spraying pipes are installed inside the cylinder, all the acid spraying pipes are divided into four acid spraying layers from top to bottom, and the four acid spraying layers operate simultaneously, so that ammonia gas in waste gas can be effectively absorbed, and the emission standard of the ammonia gas can be met.
Preferably, the bamboo hat-shaped filler is hollow, the upper surface of the bamboo hat-shaped filler is uniformly provided with spiral grooves, and the acid circulation liquid flowing through the inversion ring can be uniformly dispersed in the cylinder body through the diversion effect of the spiral grooves on the upper surface of the bamboo hat-shaped filler after the acid circulation liquid is mixed into the bamboo hat-shaped filler because the inner diameter of the inversion ring is smaller than that of the cylinder body.
Preferably, a solid cone is arranged at the center of the bamboo hat-shaped filler, the radius of the cone is 1/3-1/4 of the radius of the inner ring of the inversion ring, when the acid circulation liquid dripped from the inner diameter of the inversion ring is scattered on the bamboo hat-shaped filler, most of the cone falls on the cone at the center, and the cone is scattered on the surface of the bamboo hat-shaped filler, the acid circulation liquid is easily scattered on the outer ring in the cylinder and is easily prevented from rising of exhaust gas when the radius of the cone is too large, the acid circulation liquid is difficult to collect and scatter on the upper surface of the bamboo hat-shaped filler when the radius of the cone is too small, and the cone has a good scattering effect when the radius of the cone is 1/3-1/4 of the radius of the inner ring of the inversion ring.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a perspective view of the middle diameter limiting ring of the present invention;
fig. 4 is a structural schematic of the bamboo hat-shaped filler of the present invention.
The reference numbers in the figures illustrate:
wherein 1, a cylinder body; 2. a skirt; 3. an exhaust gas inlet; 4. an exhaust gas outlet; 5. a water spray pipe; 6. an acid spray pipe; 7. a diameter limiting ring; 71. a liquid outlet hole; 8. inverting the ring; 9. bamboo hat-shaped filler.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, the utility model provides a pickling tower mainly divide into skirt 2 and installs barrel 1 on skirt 2, the bottom avris of barrel 1 is provided with waste gas entry 3, upper end at barrel 1 is provided with exhaust outlet 4, waste gas enters into the inside to barrel 1 through waste gas entry 3, spray the spraying of the sour spray tube 6 on the layer through each layer, after the washing, the ammonia in the sour circulation liquid absorption waste gas, and drop to the barrel 1 bottom that is less than waste gas entry 3, discharge by the circulation liquid output tube of barrel 1 bottom. In order to avoid that part of the acid circulating liquid is discharged to the atmosphere through the waste gas outlet 4 under the guidance of waste gas, a water spray pipe 5 is arranged at the upper end in the cylinder body 1, and a filler is arranged between the water spray pipe 5 and the acid spray pipe 6.
As shown in fig. 1 and 2, eight acid spraying pipes 6 are installed inside the cylinder 1 from top to bottom, the eight acid spraying pipes 6 are divided into four acid spraying layers, a diameter limiting ring 7, an inversion ring 8 and a bamboo hat-shaped filler 9 are installed from the acid spraying layer at the bottommost, wherein the diameter limiting ring 7 is sleeved on the outer ring of the upper nozzle in a single acid spraying layer, the inversion ring 8 is sleeved on the outer ring of the lower nozzle in the single acid spraying layer, and the bamboo hat-shaped filler 9 is installed at the bottommost of the single acid spraying layer.
As shown in fig. 2 and 3, the diameter limiting ring 7 and the inversion ring 8 are both composed of a cylindrical ring and a conical ring, the inner diameter of the cylindrical ring is not larger than the effective spraying radius of the nozzle combination, and the outer diameter of the conical ring is the same as the inner diameter of the cylinder 1. The difference between the diameter limiting ring 7 and the inversion ring 8 is that the outer ring of the upper surface of the conical ring of the diameter limiting ring 7 is provided with a liquid outlet hole 71 for acid circulation liquid to drop, while the conical ring of the inversion ring 8 is not provided and the inversion ring 8 is reversely arranged in the cylinder body 1. In addition, the diameter limiting ring 7 and the inversion ring 8 are different in that the radius of the cylindrical ring on the diameter limiting ring 7 is larger than that of the inversion ring 8.
As shown in fig. 4, the bamboo hat-shaped packing 9 mainly receives the acid circulation liquid from the inner diameter of the upper inversion ring 8 and guides and emits the acid circulation liquid into the interior of the cylinder 1. The bamboo hat-shaped filler 9 is mainly divided into a centremost conical body, a middle conical ring and an outer conical ring, wherein the middle conical ring is connected with the outer edge of the conical body into a whole, the outer conical ring is connected with the middle conical ring, the centremost conical body is convenient to receive acid circulating liquid and is not hollow, and the radius of the conical body is 1/3-1/4 of the radius of the inner ring of the inverted ring 8. The conical areas of the bamboo hat-shaped filler 9 are all hollowed out, and the upper surface of the bamboo hat-shaped filler 9 is provided with a spiral groove for guiding acid circulation liquid.
The hollow parts in the bamboo hat-shaped fillers 9 are in a uniform net structure, the nets of the bamboo hat-shaped fillers 9 are connected in a staggered mode to form meshes with similar sizes, and the acid circulating liquid is gathered along the nets to form liquid drops and flows out from the meshes between the nets. The spiral groove arranged on the bamboo hat-shaped filler 9 takes the top end of the conical body as the center, the spiral is dispersed to the edge of the outer ring of the bamboo hat-shaped filler 9 to form a uniform guide groove, and the farther the groove is from the center of the dispersion, the wider the groove is. The spiral groove is arranged to facilitate the acid circulation liquid received by the bamboo hat-shaped filler 9 to flow out from the center to the outer edge, so that the acid circulation liquid is uniformly distributed.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
Claims (6)
1. Novel pickling tower that volatility organic waste gas administered, including skirt and the barrel of installing on the skirt, this barrel bottom is provided with the waste gas entry, the top of barrel is provided with exhaust outlet, its characterized in that: be provided with water shower and sour shower from top to bottom between waste gas entry and the waste gas outlet, play by the sour shower of bottommost, an sour layer of spraying is constituteed to every two adjacent sour shower, and sour inboard upside of spraying the overcoat of sour shower nozzle has the footpath ring, and the overcoat of the sour shower nozzle of downside has the inversion ring, and bamboo hat shape is packed to the below of this inversion ring.
2. The novel pickling tower for treating volatile organic waste gas according to claim 1, wherein: the radius of the inner ring of the diameter limiting ring is larger than that of the inner ring of the inverted ring.
3. The novel pickling tower for treating volatile organic waste gas as claimed in claim 2, wherein: and a liquid outlet hole is formed in the edge of the outer ring of the diameter limiting ring.
4. The novel pickling tower for treating volatile organic waste gas according to claim 1, wherein: the barrel internally mounted has eight sour sparge pipes, and whole sour sparge pipes divide into four layers sour layer of spraying from top to bottom.
5. The novel pickling tower for treating volatile organic waste gas according to claim 1, wherein: the bamboo hat-shaped filler is hollow, and spiral grooves are uniformly formed in the upper surface of the bamboo hat-shaped filler.
6. The novel pickling tower for treating volatile organic waste gas according to claim 5, wherein: the center of the bamboo hat-shaped filler is provided with a solid conical body, and the radius of the conical body is 1/3-1/4 of the radius of the inner ring of the inverted ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921570913.1U CN210674771U (en) | 2019-09-20 | 2019-09-20 | Novel pickling tower for treating volatile organic waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921570913.1U CN210674771U (en) | 2019-09-20 | 2019-09-20 | Novel pickling tower for treating volatile organic waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210674771U true CN210674771U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921570913.1U Active CN210674771U (en) | 2019-09-20 | 2019-09-20 | Novel pickling tower for treating volatile organic waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210674771U (en) |
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2019
- 2019-09-20 CN CN201921570913.1U patent/CN210674771U/en active Active
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