CN116078080A - Automatic sedimentation-preventing deslagging atomization spraying device - Google Patents
Automatic sedimentation-preventing deslagging atomization spraying device Download PDFInfo
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- CN116078080A CN116078080A CN202211672313.2A CN202211672313A CN116078080A CN 116078080 A CN116078080 A CN 116078080A CN 202211672313 A CN202211672313 A CN 202211672313A CN 116078080 A CN116078080 A CN 116078080A
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- sedimentation
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- slag
- spray
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses an automatic sedimentation-preventing deslagging atomization spraying device, which is characterized in that: comprising the following steps: the slag discharging belt, the spray humidifying pipe, the balance water tank and the anti-sedimentation barrel are arranged in the balance water tank; the slag discharging belt is arranged below the spraying humidifying pipe and is used for conveying high-temperature dust; the slurry pump pumps the sewage in the anti-sedimentation barrel to the spray humidifying pipe for spraying, so that the high-temperature dust is cooled; and a water recovery pipe is arranged below the spray humidifying pipe, so that sewage sprayed by the spray device is guided into the anti-sedimentation barrel, and the water recycling is realized. According to the invention, the anti-sedimentation barrel is arranged, and the self-weight impact of the slag-containing sewage in the recovery water pipe impacts the anti-sedimentation barrel, so that rotational flow is formed in the anti-sedimentation barrel, and the slag accumulation of the slag-containing sewage in the anti-sedimentation barrel is avoided.
Description
Technical Field
The invention relates to the field of spraying devices, in particular to an automatic sedimentation-preventing deslagging atomization spraying device.
Background
The process flue gas generated from the fluidized bed furnace in the sulfuric acid production system contains a large amount of high-temperature dust, the recovered high-temperature dust needs to be cooled and humidified and then enters a storage area for sale, and the smoke dust generated in the cooling and humidifying process can be discharged into the atmosphere after being filtered and purified.
At present, the common practice is to adopt spraying to carry out cooling and humidification and smoke dust filtration and purification, but a large amount of dust-containing smoke is lifted in the process of spraying water and humidification and cooling; if the spraying amount is small and the dust removal effect is poor, the environmental protection requirement cannot be met; the large spraying amount can generate a large amount of slag-containing sewage to be treated, slag sedimentation is easy to generate in the slag-containing sewage, so that the backwater collecting device is required to be cleaned frequently, sewage outflow is caused by slight carelessness, the workload is large, the environmental protection pressure is large, and the production cost is high.
Disclosure of Invention
The invention mainly solves the problems in the prior art, and provides the sedimentation-preventing slag-discharging atomizing spray device which has large spraying quantity and good spraying atomizing effect and can prevent slag sedimentation of slag-containing sewage.
The invention is realized by the following technology:
an automatic sedimentation-preventing slag-discharging atomization spraying device, comprising:
the slag discharging belt is directly connected with the slag bin, and high-temperature dust generated in the sulfuric acid production process is discharged to the slag bin through the slag discharging belt for storage; the front end of the slag discharging belt is provided with a cooling roller, high-temperature dust recovered in the production system is discharged into the cooling roller, and the cooling roller is cooled along with continuous rotation of the cooling roller.
The spray humidifying pipe is arranged above the joint between the slag discharging belt and the cooling roller, and spray ports are arranged at the lower part and the left and right sides of the spray humidifying pipe, so that a continuous airtight water mist dust removing layer can be formed, and the smoke is prevented from being discharged into the atmosphere without being filtered by the water mist;
compressed air is conveyed to the inside of the spray opening through the air compressor to pressurize and atomize spray liquid, so that atomization effect is improved.
Pumping water from the anti-sedimentation barrel to a spray humidifying pipe through a slurry pump, spraying the spray humidifying pipe to the periphery to form a water mist dust removing layer, rapidly cooling high-temperature dust just coming out of a cooling roller, converging the cooled high-temperature dust on a slag discharging belt, enabling generated smoke dust and water vapor to pass through the water mist dust removing layer, filtering and purifying, and discharging the smoke dust and the water vapor into the atmosphere from a chimney;
the bottom of the lower part of the spray humidifying pipe is provided with a water recovery pipe, so that dust-containing sewage sprayed out of the spray humidifying pipe can be collected and flows back into the anti-sedimentation barrel.
The anti-sedimentation barrel is arranged in the balance water tank, sewage recovered by the recovery water pipe flows back to the anti-sedimentation barrel and is pumped out by the slurry pump, and the water pumping quantity of the slurry pump is larger than the water displacement of the recovery water pipe, so that the anti-sedimentation barrel is kept with micro negative pressure, and the sewage is prevented from flowing out; the water supplementing holes are formed in the barrel wall, so that water can be supplemented from the balance water pool, and the water shortage in the anti-sedimentation barrel is avoided;
the balance water tank pumps water to the outside through the water supplementing pump to supplement water for the balance water tank; be provided with the level gauge on the balance water pond, the level gauge passes through converter control moisturizing pump operation, realizes the invariable liquid level control of automatic PID closed loop, guarantees that the liquid level in the balance water pond is invariable at the water level of predetermineeing to stabilize the little negative pressure constant liquid level control of anti-settling cask, provide the guarantee for atomizing spray.
The beneficial effects of the invention are as follows:
1. the anti-sedimentation barrel is arranged, and the self weight of the slag-containing sewage in the recovery water pipe impacts the anti-sedimentation barrel to form rotational flow in the anti-sedimentation barrel, so that the slag accumulation of the slag-containing sewage in the anti-sedimentation barrel is avoided;
2. the water pumping quantity of the slurry pump is larger than the water discharge quantity of the recovery water pipe, water supplementing holes are reasonably arranged, micro negative pressure in the sedimentation prevention barrel is kept, and slag suspension cannot overflow;
3. the balance water tank is automatically supplemented with water, and PID closed loop variable frequency constant liquid level control is performed;
4. the compressed air is utilized to further pressurize and atomize the sprayed sewage in the spray opening, so that the atomization dispersity is improved, and the dust removal efficiency is increased.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals meaning: 1. a spray humidifying pipe; 2. a slag discharging belt; 3. an anti-sedimentation barrel; 4. a balancing water pool; 5. a slurry pump; 6. a recovery water pipe; 7. a water supplementing hole; 8. a water supplementing pump; 9. a liquid level gauge; 10. a frequency converter; 11. a cooling drum; 12. a spray port; 13. and an air compressor.
Detailed Description
In order to make the technical scheme, objects and advantages of the present invention more apparent, the present invention is further explained below with reference to the accompanying drawings and examples.
An automatic sedimentation-preventing slag-discharging atomization spraying device, comprising:
a slag discharging belt 2 directly connected with the slag bin, and high-temperature dust generated in the sulfuric acid production process is discharged to the slag bin through the slag discharging belt 2 for storage; the front end of the slag discharging belt 2 is provided with a cooling roller 11, high-temperature dust recovered in the production system is discharged into the cooling roller 11, and the cooling roller 11 continuously rotates to cool down.
The spray humidifying pipe 1 is arranged above the joint between the slag discharging belt 2 and the cooling roller 11, and the lower part and the left side and the right side of the spray humidifying pipe 1 are provided with spray ports 12, so that a continuous airtight water mist dust removing layer can be formed, and the flue gas is prevented from being discharged into the atmosphere without being filtered by water mist;
compressed air is conveyed to the inside of the spray opening 12 through the air compressor 13 to pressurize and atomize spray liquid, so that atomization effect is improved.
Pumping water from the anti-sedimentation barrel 3 to the spray humidifying pipe 1 through the slurry pump 5, spraying the spray humidifying pipe 1 to the periphery to form a water mist dust removing layer, rapidly cooling high-temperature dust just coming out of the cooling roller 11, converging the cooled high-temperature dust on the slag discharging belt 2, enabling generated smoke dust and water vapor to pass through the water mist dust removing layer, filtering and purifying, and discharging the smoke dust and the water vapor into the atmosphere from a chimney;
the bottom of the lower part of the spray humidifying pipe 1 is provided with a recovery water pipe 6, so that the sewage sprayed by the spray humidifying pipe 1 can be collected and returned to the anti-sedimentation barrel 3.
The anti-sedimentation barrel 3 is arranged in the balance water tank 4, sewage recovered by the recovery water pipe 6 flows back to the anti-sedimentation barrel 3 and is pumped out by the slurry pump 5, and the water pumping quantity of the slurry pump 5 is larger than the water drainage quantity of the recovery water pipe 6, so that the anti-sedimentation barrel 3 is kept with micro negative pressure, and the sewage is prevented from flowing out; the wall of the anti-sedimentation barrel 3 is provided with a water supplementing hole 7 which can supplement water from the balance water tank 4 to avoid insufficient water quantity in the anti-sedimentation barrel 3;
the balance water tank 4 pumps water to the outside through the water supplementing pump 8 to supplement water for the balance water tank 4; be provided with the level gauge 9 on the balancing pond 4, the level gauge 9 passes through converter 10 control moisturizing pump 8 operation, realizes automatic PID closed loop constant level control, guarantees that the liquid level in the balancing pond 4 is invariable at the water level of predetermineeing to stabilize the little negative pressure constant level control of anti-settling drum 3, provide the guarantee for atomizing spray.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An automatic sedimentation-preventing slag-discharging atomization spraying device is characterized in that: comprising the following steps: the slag discharging belt, the spray humidifying pipe, the balance water tank and the anti-sedimentation barrel are arranged in the balance water tank; the slag discharging belt is arranged below the spraying humidifying pipe and is used for conveying high-temperature dust; the slurry pump pumps the sewage in the anti-sedimentation barrel to the spray humidifying pipe for spraying, so that the high-temperature dust is cooled; and a water recovery pipe is arranged below the spray humidifying pipe, so that sewage sprayed by the spray device is guided into the anti-sedimentation barrel, and the water recycling is realized.
2. The automatic sedimentation-preventing slag-discharging atomizing spray device according to claim 1, wherein: the wall of the anti-sedimentation barrel is provided with a water supplementing hole, so that water can be supplemented from the balance water pool.
3. The automatic sedimentation-preventing slag-discharging atomizing spray device as set forth in claim 2, wherein: and the balance water tank is connected with a water supplementing pump for supplementing water for the balance water tank.
4. An automatic sedimentation preventing slag discharging atomizing spray device as set forth in claim 3, wherein: the balance water tank is provided with a liquid level meter, and the liquid level meter controls the water supplementing pump to operate through the frequency converter, so that automatic PID closed-loop constant liquid level control is realized.
5. An automatic sedimentation-preventing slag-discharging atomizing spray device as set forth in any one of claims 1 to 4, wherein: the water pumping quantity of the slurry pump is larger than the water draining quantity of the recovery water pipe, so that micro negative pressure is kept in the anti-sedimentation barrel, and sewage is prevented from flowing out.
6. The automatic sedimentation-preventing slag-discharging atomizing spray device according to claim 1, wherein: the cooling roller is arranged in front of the slag discharging belt, so that high-temperature dust is cooled in a first step, and steam generated during spraying is reduced.
7. The automatic sedimentation-preventing slag-discharging atomizing spray device according to claim 6, wherein: the spray humidifying pipe is arranged above the joint of the cooling roller and the slag discharging belt.
8. The automatic sedimentation-preventing slag-discharging atomizing spray device according to claim 1, wherein: the lower part and the left side and the right side of the spray humidifying pipe are respectively provided with a spray opening.
9. The automatic sedimentation-preventing slag-discharging atomizing spray device according to claim 8, wherein: compressed air is conveyed to the inside of the spray opening through the air compressor to pressurize and atomize spray liquid, so that atomization effect is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211672313.2A CN116078080B (en) | 2022-12-26 | 2022-12-26 | Automatic sedimentation-preventing deslagging atomization spraying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211672313.2A CN116078080B (en) | 2022-12-26 | 2022-12-26 | Automatic sedimentation-preventing deslagging atomization spraying device |
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| CN116078080A true CN116078080A (en) | 2023-05-09 |
| CN116078080B CN116078080B (en) | 2023-09-12 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201223761Y (en) * | 2008-07-04 | 2009-04-22 | 宁波远东化工集团有限公司 | Powder dust-recovering device for prilling tower |
| CN202912694U (en) * | 2012-11-09 | 2013-05-01 | 襄阳泽东化工集团有限公司 | Dry-method slag discharging system in process of preparing acid with pyrite |
| CN203731873U (en) * | 2014-02-10 | 2014-07-23 | 南京云泰化工总厂 | Circulating water cooling device for pyrites |
| CN105688586A (en) * | 2016-04-06 | 2016-06-22 | 王献 | Dust recycling device for high-tower granulation of compound fertilizer |
| CN208959592U (en) * | 2018-09-26 | 2019-06-11 | 中稀天马新材料科技股份有限公司 | A kind of simple, efficient circulation water spray starter |
| CN211676873U (en) * | 2019-12-26 | 2020-10-16 | 保定博天环保科技有限公司 | Double-fluid space atomization deodorization discharge opening spraying dust-settling system |
| CN215518973U (en) * | 2021-08-15 | 2022-01-14 | 湖南广信科技股份有限公司 | Remote water pumping automatic liquid level control device |
| CN216193321U (en) * | 2021-11-11 | 2022-04-05 | 浙江莹隆纤维科技有限公司 | Cooling device for fiber |
-
2022
- 2022-12-26 CN CN202211672313.2A patent/CN116078080B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201223761Y (en) * | 2008-07-04 | 2009-04-22 | 宁波远东化工集团有限公司 | Powder dust-recovering device for prilling tower |
| CN202912694U (en) * | 2012-11-09 | 2013-05-01 | 襄阳泽东化工集团有限公司 | Dry-method slag discharging system in process of preparing acid with pyrite |
| CN203731873U (en) * | 2014-02-10 | 2014-07-23 | 南京云泰化工总厂 | Circulating water cooling device for pyrites |
| CN105688586A (en) * | 2016-04-06 | 2016-06-22 | 王献 | Dust recycling device for high-tower granulation of compound fertilizer |
| CN208959592U (en) * | 2018-09-26 | 2019-06-11 | 中稀天马新材料科技股份有限公司 | A kind of simple, efficient circulation water spray starter |
| CN211676873U (en) * | 2019-12-26 | 2020-10-16 | 保定博天环保科技有限公司 | Double-fluid space atomization deodorization discharge opening spraying dust-settling system |
| CN215518973U (en) * | 2021-08-15 | 2022-01-14 | 湖南广信科技股份有限公司 | Remote water pumping automatic liquid level control device |
| CN216193321U (en) * | 2021-11-11 | 2022-04-05 | 浙江莹隆纤维科技有限公司 | Cooling device for fiber |
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| CN116078080B (en) | 2023-09-12 |
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