CN220990155U - Granulation tower tail gas washing device - Google Patents
Granulation tower tail gas washing device Download PDFInfo
- Publication number
- CN220990155U CN220990155U CN202322680979.9U CN202322680979U CN220990155U CN 220990155 U CN220990155 U CN 220990155U CN 202322680979 U CN202322680979 U CN 202322680979U CN 220990155 U CN220990155 U CN 220990155U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- treatment chamber
- prilling tower
- tail gas
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005406 washing Methods 0.000 title claims abstract description 17
- 238000005469 granulation Methods 0.000 title description 6
- 230000003179 granulation Effects 0.000 title description 6
- 238000005507 spraying Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 4
- 230000003020 moisturizing effect Effects 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 230000001502 supplementing effect Effects 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 description 31
- 239000007789 gas Substances 0.000 description 27
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 16
- 239000004202 carbamide Substances 0.000 description 16
- 239000000428 dust Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a tail gas washing device of a prilling tower, which is characterized in that a processing chamber is fixedly arranged at the top of the prilling tower, an air guide device communicated with the processing chamber is arranged at the top of the prilling tower, the processing chamber is connected with a circulating spraying device, a filling layer is coaxially arranged in the processing chamber, the processing chamber is fixedly communicated with a water supplementing pipe, a water supplementing electromagnetic valve electrically connected with a controller is arranged on the water supplementing pipe, and the processing chamber is also communicated with a water draining device; the upper end of the treatment chamber is fixedly communicated with a mounting sleeve, the mounting sleeve is vertically and slidably connected with a vertical rod, the lower end of the vertical rod is fixedly connected with a buoy, the interior of the buoy is a cavity filled with air, the upper end of the vertical rod is coaxially and fixedly connected with a baffle disc, the upper end of the baffle disc is fixedly connected with a contact body, a support is arranged at the upper end of the treatment chamber, the support is fixedly connected with a pressure sensor, and the opposite ends of the baffle disc and the mounting sleeve are fixedly connected with springs.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment devices, in particular to a tail gas washing device of a prilling tower.
Background
In the nitrogen fertilizer industry, a urea prilling tower is often used, a great amount of urea dust and ammonia are entrained in tail gas of the prilling tower, if the tail gas is directly discharged to the atmosphere, not only is great waste caused, but also pollution is caused to the environment, under the current increasingly strict environmental protection standard requirements, the tail gas treatment capacity of the prilling tower must be improved and perfected so as to achieve the local emission requirements, and tail gas washing tower equipment is the most core equipment in the tail gas treatment section of the whole prilling tower and also is equipment accounting for larger investment in tail gas treatment, so that the design and transformation of the tail gas washing device can meet the standards and specifications approved by the local government and national safety requirements, and the safety operation of the equipment is a relatively worthy problem.
Disclosure of utility model
Aiming at the situation, the utility model provides a tail gas washing device of a prilling tower for overcoming the defects of the prior art, and the technical scheme of the tail gas washing device of the prilling tower is characterized by comprising the prilling tower and a controller, wherein a treatment chamber is fixedly arranged at the top of the prilling tower, an air guide device communicated with the treatment chamber is arranged at the top of the prilling tower, the treatment chamber is connected with a circulating spraying device, a filling layer is coaxially arranged in the treatment chamber, a water supplementing pipe is fixedly communicated with the treatment chamber, a water supplementing electromagnetic valve electrically connected with the controller is arranged on the water supplementing pipe, and a drainage device is also communicated with the treatment chamber;
the upper end of the treatment chamber is fixedly communicated with a mounting sleeve, the mounting sleeve is vertically and slidably connected with a vertical rod, a through hole for the vertical rod to move is arranged on the packing layer, the lower end of the vertical rod is fixedly connected with a buoy, a cavity filled with air is formed in the buoy, the upper end of the vertical rod is coaxially and fixedly connected with a baffle disc, the upper end of the baffle disc is fixedly connected with a contact body, a support is arranged at the upper end of the treatment chamber, the support is fixedly connected with a pressure sensor which corresponds to the contact body and is electrically connected with the controller, and the opposite ends of the baffle disc and the mounting sleeve are fixedly connected with springs.
Preferably, the air guide device comprises an air guide pipe fixedly connected with the top of the granulating tower, an induced draft fan is arranged at the inlet end of the air guide pipe, and the outlet end of the air guide pipe stretches into the processing chamber.
Preferably, the circulating spray device comprises a booster pump positioned at the bottom of the treatment chamber, the outlet end of the booster pump is fixedly communicated with the inlet end of a circulating pipe, the inlet end of the circulating pipe is fixedly communicated with the inlet end of a multi-way joint, and the outlet end of the multi-way joint is communicated with a plurality of groups of spray assemblies uniformly distributed around the axis of the multi-way joint; each group of spraying assembly comprises spraying pipes communicated with the outlet ends of the multi-way connectors, and the outlet ends of the spraying pipes are fixedly communicated with a plurality of spraying heads uniformly distributed along the length direction of the spraying pipes.
Preferably, the drainage device comprises a drainage pipe fixedly communicated with the bottom of the treatment chamber, and a drainage electromagnetic valve is arranged on the drainage pipe.
Preferably, the inner wall of the mounting sleeve is fixedly connected with a guide key which is vertically arranged, and the outer edge of the vertical rod is provided with a vertical groove which is in sliding connection with the guide key.
The utility model has the beneficial effects that:
1. In the use process, the tail gas generated during granulation of the granulation tower, namely urea dust gas, enters the treatment chamber through the guide of the air guide device, and the tail gas entering the treatment chamber moves from top to bottom and contacts with the treatment liquid of the circulating spraying device, so that the first washing is finished, most of urea dust is dissolved in the treatment liquid, then the treatment liquid passes through the packing layer downwards, the urea dust and the treatment liquid are further dissolved in the packing layer, the further washing is finished, and the high-efficiency treatment of the tail gas is ensured.
2. The treatment liquid of the circulating spraying device adopts the hydrolyzed or resolved discharge liquid, so that the resources are saved, the treatment liquid is recycled for multiple times in the circulating spraying device, the concentration of urea in the treatment liquid is higher and higher, the urea is convenient to recycle and treat, and the resources are saved.
Drawings
Fig. 1 is a front elevational view in full section of the present utility model.
Fig. 2 is a partial perspective view of a first view angle of the present utility model.
Fig. 3 is a second perspective view in full section of the present utility model.
Fig. 4 is an enlarged view of region a in a second perspective, full section perspective view of the present utility model.
Fig. 5 is an enlarged view of region B in a second perspective full section perspective view of the present utility model.
Fig. 6 is a partial perspective view of a third view of the present utility model.
Reference numerals
1. The device comprises a granulating tower, a processing chamber, a gas guide device, a circulating spray device, a filler layer, a water supplementing pipe, a water supplementing valve, a mounting sleeve, a vertical rod, a float, a cavity, a baffle plate, a contact body, a support, a pressure sensor, a spring, a gas guide pipe, an induced draft fan, a booster pump, a circulating pipe, a multi-way joint, a spray assembly, a spray pipe, a spray header, a water draining pipe, a water draining solenoid valve, a guide key and a vertical groove.
Detailed Description
The following describes embodiments of the present utility model in further detail with reference to fig. 1-6.
In the first embodiment, the technical scheme is that in the use process of the utility model, the tail gas generated by the granulation tower 1 during granulation, namely urea dust gas, enters the treatment chamber 2 through the guide of the air guide device 3, and the tail gas entering the treatment chamber 2 moves from top to bottom and contacts with the treatment liquid of the circulating spraying device 4, so that the first washing is finished, most of urea dust is dissolved in the treatment liquid, then the treatment liquid passes through the packing layer 5 downwards, the urea dust and the treatment liquid are further dissolved in the packing layer 5, the further washing is finished, and the high-efficiency treatment of the tail gas is ensured. The treatment liquid of the circulating spraying device 4 adopts the hydrolyzed or resolved discharge liquid, so that the resources are saved, the treatment liquid is recycled for multiple times in the circulating spraying device 4, the concentration of urea in the treatment liquid is higher and higher, the recovery treatment of urea is facilitated, and the resources are saved.
In the second embodiment, based on the first embodiment, specifically, when the utility model is used, a proper amount of treatment liquid is added into the treatment chamber 2 through the water supplementing pipe 6 in advance for the circulation spraying device 4 to use, specifically: the water supplementing valve 7 is controlled to be opened, the treatment fluid is added into the treatment chamber 2 from the water supplementing pipe 6, the liquid level of the treatment fluid is increased along with the gradual increase of the treatment fluid in the treatment chamber 2, the air filled in the float 10 is convenient to float along with the treatment fluid, the float 10 floats upwards along with the treatment fluid, the vertical rod 9 is driven to move upwards along the mounting sleeve 8 by the floating, the vertical rod 9 is convenient to move by the through hole on the packing layer 5, the baffle disc 12 moves upwards synchronously, the spring 16 is stretched, the contact body 13 on the baffle disc 12 contacts with the pressure sensor 15 on the support 14 when the baffle disc 12 moves upwards, the pressure sensor 15 receives a pressure signal of the contact body 13 and transmits the pressure signal to the controller, the controller controls the water supplementing valve 7 to be closed, and accordingly the liquid level of the treatment fluid in the treatment chamber 2 is ensured to be proper. The urea concentration in the treatment liquid gradually rises along with the repeated use of the circulating spraying device 4, when the urea concentration is saturated, the drainage electromagnetic valve 26 of the drainage device is started, the treatment liquid with the saturated urea concentration is discharged from the drainage pipe 25, along with the work of the drainage device, the treatment liquid is gradually released, along with the release of the treatment liquid, the float 10 loses the buoyancy of the treatment liquid, and the spring 16 automatically contracts to drive the relevant parts such as the contact body 13, the vertical rod 9 and the like to reset, so that the normal work is facilitated when the treatment liquid is added again. The provided controller is installed at an external proper position, the controller is only needed to adopt the prior art, and the detailed description is not needed, and the top of the prilling tower 1 in the attached drawing of the specification is simply drawn.
In the third embodiment, when the utility model is used, the air guide device 3 sucks tail gas through the induced draft fan 18 and introduces the tail gas into the treatment chamber 2 through the air guide pipe 17 so as to facilitate the treatment of the circulating spray device 4, urea dust entering the treatment chamber 2, namely, the tail gas moves downwards, at the moment, the circulating spray device 4 is in a starting state, the booster pump 19 conveys treatment liquid to the multi-way joint 21 through the circulating pipe 20, and then the treatment liquid is conveyed into the spray pipes 23 of each spray assembly 22 through the multi-way joint and sprayed out from the spray heads 24. The spraying component 22 is provided with a plurality of groups of treatment liquid which are convenient to spray out, so that the whole treatment chamber 2 can be covered, urea tail gas can be efficiently absorbed, and the treatment liquid after absorbing the tail gas falls to the bottom of the treatment chamber 2 again through the packing layer 5 so as to be convenient for the cyclic spraying device 4 to be recycled. The provision of the guide key 27 and the vertical slot 28 limits the vertical rod 9 to vertical movement only relative to the mounting sleeve 8. The oxygenation pump ensures the water pressure of the treatment liquid, so that the treatment liquid can normally pass through a pipeline for circulating spraying.
Claims (5)
1. The utility model provides a prilling tower tail gas washing device, includes prilling tower (1) and controller, its characterized in that, prilling tower (1) top fixed mounting has treatment chamber (2), air guide device (3) with treatment chamber (2) intercommunication are arranged at prilling tower (1) top, treatment chamber (2) are connected with circulation spray set (4), treatment chamber (2) inner wall coaxial arrangement has packing layer (5), treatment chamber (2) fixed communication has moisturizing pipe (6), install moisturizing solenoid valve (7) with the controller electricity connection on moisturizing pipe (6), treatment chamber (2) still communicate drainage device;
The utility model provides a treatment room, processing chamber (2) upper end fixedly connected with installation cover (8), the vertical sliding connection of installation cover (8) has montant (9), packing layer (5) have been arranged and have been supplied through-hole of montant (9) activity, montant (9) lower extreme fixedly connected with is cursory (10), cursory (10) inside cavity (11) for filling with the air, coaxial fixedly connected with fender dish (12) of montant (9) upper end, fender dish (12) upper end fixedly connected with contact body (13), processing chamber (2) upper end has been arranged support (14), support (14) fixedly connected with corresponds and be connected with pressure sensor (15) of controller electricity with contact body (13), the relative fixedly connected with spring (16) of fender dish (12) and installation cover (8).
2. The tail gas washing device of the prilling tower according to claim 1, wherein the air guide device (3) comprises an air guide pipe (17) fixedly connected with the top of the prilling tower (1), an induced draft fan (18) is arranged at the inlet end of the air guide pipe (17), and the outlet end of the air guide pipe (17) extends into the treatment chamber (2).
3. The tail gas washing device of the prilling tower according to claim 1, wherein the circulating spray device (4) comprises a booster pump (19) positioned at the bottom of the treatment chamber (2), the outlet end of the booster pump (19) is fixedly communicated with the inlet end of a circulating pipe (20), the inlet end of the circulating pipe (20) is fixedly communicated with the inlet end of a multi-way joint (21), and the outlet end of the multi-way joint (21) is fixedly communicated with a plurality of groups of spray assemblies (22) uniformly distributed around the axis of the multi-way joint;
Each group of spraying components (22) comprises spraying pipes (23) communicated with the outlet ends of the multi-way connectors (21), and the outlet ends of the spraying pipes (23) are fixedly communicated with a plurality of spraying heads (24) uniformly distributed along the length direction of the spraying pipes.
4. The prilling tower tail gas washing device according to claim 1, characterized in that the drainage device comprises a drainage pipe (25) fixedly communicated with the bottom of the treatment chamber (2), and a drainage electromagnetic valve (26) is arranged on the drainage pipe (25).
5. The tail gas washing device of the prilling tower according to claim 1, wherein the inner wall of the installation sleeve (8) is fixedly connected with a guide key (27) which is vertically arranged, and a vertical groove (28) which is in sliding connection with the guide key (27) is formed in the outer edge of the vertical rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322680979.9U CN220990155U (en) | 2023-10-08 | 2023-10-08 | Granulation tower tail gas washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322680979.9U CN220990155U (en) | 2023-10-08 | 2023-10-08 | Granulation tower tail gas washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220990155U true CN220990155U (en) | 2024-05-24 |
Family
ID=91127857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322680979.9U Active CN220990155U (en) | 2023-10-08 | 2023-10-08 | Granulation tower tail gas washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220990155U (en) |
-
2023
- 2023-10-08 CN CN202322680979.9U patent/CN220990155U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |