CN216778373U - Collection and centralized purification treatment system for various waste gases in phosphorus sludge recovery process - Google Patents
Collection and centralized purification treatment system for various waste gases in phosphorus sludge recovery process Download PDFInfo
- Publication number
- CN216778373U CN216778373U CN202220321470.8U CN202220321470U CN216778373U CN 216778373 U CN216778373 U CN 216778373U CN 202220321470 U CN202220321470 U CN 202220321470U CN 216778373 U CN216778373 U CN 216778373U
- Authority
- CN
- China
- Prior art keywords
- phosphorus
- gas
- sludge
- collection device
- pool
- 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.)
- Active
Links
Images
Abstract
The utility model provides a system for collecting and intensively purifying various waste gases in a phosphorus sludge recovery process, relates to the technical field of industrial waste gas recovery and treatment, and aims to solve the problem that various waste gases generated in the existing phosphorus sludge recovery process are scientifically and low-cost treated. The utility model comprises a phosphorus vapor condensation and collection device, a water vapor collection device of a phosphorus sludge pool, a tail gas collection device of a phosphorus receiving pool (1) and a tail gas collection device of a phosphorus sludge rotary pot; according to the generation and treatment routes of different substances in the process of sludge phosphorus recovery treatment, corresponding mechanisms such as collection of residual gas after recovery of yellow phosphorus in phosphorus steam, collection of phosphorus-containing water steam of heat seal water in a sludge phosphorus pool, collection of phosphorus furnace tail gas after combustion heating of sludge phosphorus, comprehensive treatment of sludge phosphorus recovery tail gas and the like are designed, energy of the phosphorus furnace tail gas is fully utilized, open flame and harmful smoke cannot be generated in the process of treatment, and compared with the traditional process, the operating environment is greatly improved in the aspects of safety and comfort.
Description
Technical Field
The utility model relates to the technical field of industrial waste gas recovery and treatment, in particular to a system for collecting and intensively purifying various waste gases in a phosphorus sludge recovery process.
Background
In the mud phosphorus recovery process, a distillation method is a relatively wide method, and specifically, a rotary pot or a fixed pot is used for heating mud phosphorus, phosphorus steam is released at a certain temperature and pressure, the phosphorus steam is cleaned and condensed to recover elemental phosphorus, and residual impurities are intermittently discharged after deposition. The distillation method has low cost and convenient use, but has the problems of serious environmental pollution, large potential safety hazard, high comprehensive energy consumption of products and the like in the phosphorus steaming process, wherein the most prominent problem lies in the treatment and discharge of various gases in the sludge phosphorus recovery process; as we know, because the phosphorus sludge contains more impurities such as ash and the like, in the heating gasification process, some impurities are inevitably mixed into phosphorus steam, and the obtained phosphorus simple substance contains more impurities according to a conventional spraying collection mode; in addition, during the whole phosphorus sludge recovery process, various types of gases are generated, including: the mixed gas that vapor and the discarded object that mix with in the phosphorus mud pond formed, the waste gas that produces behind the phosphorus furnace tail gas burning to and the residual gas behind phosphorus steam has been retrieved in the super condensing recovery tower, three kinds of waste gas sources are different, the composition has the difference, how to carry out science and low-cost processing to them, makes it satisfy the environmental protection requirement, is the problem that awaits a urgent need in the trade always.
Disclosure of Invention
The utility model aims to solve the defects in the background art, and provides a system for collecting and intensively purifying various waste gases in a phosphorus recovery process.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a collection and concentrated purification treatment system of multiple waste gas in phosphorus mud recovery technology which characterized in that, includes phosphorus steam condensation collection device, phosphorus mud pond vapor collection device, receives phosphorus pond tail gas collection device and phosphorus mud revolving pot burning tail gas collection device.
The phosphorus steam condensation and collection device comprises a phosphorus receiving pool, a primary condensation and recovery tower and a secondary condensation and recovery tower, wherein the bottom end of the primary condensation and recovery tower is opened and is higher than the water surface of the phosphorus receiving pool; the inside of one-level condensation recovery tower and second grade condensation recovery tower all is provided with atomizer to the tower wall inboard sets up the shower of a plurality of circles parallels, and the directional tower body center of the direction of spraying of shower.
The water vapor collecting device of the phosphorous sludge pool comprises a plurality of steam exhaust pipes which are arranged in parallel and communicated with the corresponding single phosphorous sludge pool respectively, and a water vapor pipeline which collects the steam exhaust pipes together, wherein the other end of the water vapor pipeline is connected to the cooling gas washing room.
Receive phosphorus pond tail gas collection device including setting up negative pressure collection gas storehouse, negative-pressure air fan and the corresponding pipeline at second grade condensation recovery tower top, the pipeline is connected to the steam pipeline.
The device for collecting the combustion tail gas of the mud phosphorus rotary pot comprises a plurality of rotary pot gas-collecting hoods arranged around the mud phosphorus rotary pot, smoke guide pipes respectively connected with the rotary pot gas-collecting hoods, and a smoke pipeline connected with all the smoke guide pipes, wherein the other end of the smoke pipeline is communicated with a cooling gas washing room.
Above-mentioned phosphorus steam condensation collection device, phosphorus mud pond vapor collection device, receive phosphorus pond tail gas collection device and phosphorus mud pan burning tail gas collection device and finally collect to cooling gas washing room, the gas outlet in cooling gas washing room sets up air exhaust fan, and in addition, the water inlet in cooling gas washing room links to each other with washing circulating water pump, and the bottom in cooling gas washing room simultaneously sets up the sewage collecting vat to connect to circulating water tank to link to each other with cooling tower, washing circulating water pump.
Preferably, the rear end of the air exhaust fan is provided with a secondary air washing room, a water supply passage is additionally arranged on the secondary air washing room and is connected to a washing circulating water pump, the washing circulating water pump supplies water to the cooling air washing room and the secondary air washing room simultaneously, a water return passage is arranged below the secondary air washing room and is connected to a circulating water tank, and then the water return passage is sequentially connected with a water cooling tower and the washing circulating water pump.
Has the advantages that:
the utility model also sets matched system equipment according to corresponding steps, which comprises a phosphorus steam condensation collecting device and a multi-source waste gas collecting and recovering device, thereby fully utilizing the energy of the phosphorus furnace tail gas, generating no open fire and harmful flue gas during combustion in the treatment process, and greatly improving the safety and comfort in the operating environment compared with the traditional process; meanwhile, a gas collecting device is arranged aiming at potential and obvious processes which can cause gas escape, and particularly aiming at environmental pollution and potential safety hazards caused by the overflow of water vapor in a phosphorus sludge pool which is easy to ignore in the traditional process and equipment, the utility model is specially provided with the corresponding water vapor collecting device of the phosphorus sludge pool, thereby ensuring the elimination of the potential hazards; in addition, aiming at the heating procedure of the mud phosphorus converter, the utility model adopts the sealed combustion heating mechanism and is matched with the smoke collection and treatment device, thereby ensuring that the smoke can not leak, simultaneously escaping the phosphorus in the mud phosphorus to the maximum extent, and eliminating the situations of large dust, serious pollution and disordered smoke emission in the converter production; in addition, this application gathers the waste gas that many parts produced to two-stage cooling gas washing room, utilizes the circulating water to fully cool down and wash waste gas, and the solid particle after the washing carries out deposit, washing water cycle uses, and final gas discharges after whitening, and whole flow is clear controllable, and the solid, gas and the liquid waste that produce all can obtain properly handling, have effectively reduced influence, the social to the environment high.
Drawings
Fig. 1 is a schematic structural view of a collection and concentrated purification treatment system for exhaust gas described in embodiment 1.
Fig. 2 is a flow chart of the system of fig. 1.
FIG. 3 is a schematic view of the exhaust gas collection and concentrated purification system according to embodiment 2.
Fig. 4 is a flow chart of the system of fig. 3.
In the figure, a phosphorus receiving pool 1, a primary condensation recovery tower 2, a secondary condensation recovery tower 3, a water vapor pipeline 4, a steam exhaust pipe 5, a cooling gas washing room 6, a negative pressure gas collection bin 7, a negative pressure fan 8, a rotary boiler gas collection hood 9, a smoke guide pipe 10, a smoke pipeline 11, an air exhaust fan 12, a washing circulating water pump 13, a circulating water tank 14, a water cooling tower 15 and a secondary gas washing room 16.
Detailed Description
The utility model is further described with reference to the accompanying drawings and description.
Example 1
As shown in fig. 1 and 2, the system for collecting and purifying the various waste gases in the phosphorus sludge recovery process comprises a phosphorus vapor condensing and collecting device, a water vapor collecting device of a phosphorus sludge pool, a tail gas collecting device of a phosphorus receiving pool 1, and a tail gas collecting device of a phosphorus sludge rotary boiler.
The phosphorus vapor condensation and collection device comprises a phosphorus receiving pool 1, a primary condensation and recovery tower 2 and a secondary condensation and recovery tower 3, wherein the bottom end of the primary condensation and recovery tower 2 is opened and is higher than the water surface of the phosphorus receiving pool 1, in addition, a top guide pipe of the primary condensation and recovery tower 2 is connected to the side wall of the bottom end of the secondary condensation and recovery tower 3, and a pipeline at the top of the secondary condensation and recovery tower 3 is directly connected with a water vapor pipeline 4; atomizing nozzles are arranged inside the first-stage condensation recovery tower 2 and the second-stage condensation recovery tower 3, a plurality of circles of parallel spray pipes are arranged on the inner side of the tower wall, the spray direction of the spray pipes points to the center of the tower body, phosphorus steam entering the spray pipes is sprayed, washed and cooled, and after phosphorus in the phosphorus steam is cleaned and recovered, the residual gas is collected into a cooling gas washing room 6 from a pipeline at the top of the second-stage condensation recovery tower 3; the phosphorus sludge pool water vapor collecting device comprises a vapor exhaust pipe 5 communicated with the phosphorus sludge pool and a water vapor pipeline 4 communicated with the vapor exhaust pipe 5, the other end of the water vapor pipeline 4 is connected to a cooling gas washing room 6, and phosphorus-containing water vapor generated by hot seal water in the phosphorus sludge pool is guided into the water vapor pipeline 4 and is collected into the cooling gas washing room 6; the tail gas collecting device of the phosphorus receiving pool 1 comprises a negative pressure gas collecting bin 7 arranged at the top of the secondary condensation recovery tower 3, a negative pressure fan 8 and corresponding pipelines, and the pipelines are connected to the water vapor pipeline 4; the device for collecting the combustion tail gas of the phosphorus slurry rotary pot comprises rotary pot gas-collecting hoods 9 arranged around the phosphorus slurry rotary pot, a smoke guide pipe 10 connected with the rotary pot gas-collecting hoods 9 and a smoke pipeline 11 connected with the smoke guide pipe 10, wherein the other end of the smoke pipeline 11 is communicated with a cooling gas washing room 6.
The phosphorus steam condensation and collection device, the phosphorus pond water steam collection device, the phosphorus-bearing pond 1 tail gas collection device and the phosphorus rotary pot combustion tail gas collection device are finally collected to a cooling gas washing room 6, an air exhaust fan 12 is arranged at an air outlet of the cooling gas washing room 6, in addition, a water inlet of the cooling gas washing room 6 is connected with a washing circulating water pump 13, a sewage collecting tank is arranged at the bottom of the cooling gas washing room 6 and is connected to a circulating water tank 14, the cooling gas washing room is conveyed to a water cooling tower 15 after cooling and sedimentation, and the cooling gas washing room 6 is conveyed through the washing circulating water pump 13 to perform reciprocating circulation; the washed mixed gas is pumped away by the air exhaust fan 12 for subsequent treatment or discharge.
Example 2
As shown in the figure, the basic structure of the present embodiment is the same as that of embodiment 1, except that a secondary air washing room 16 is arranged at the rear end of the air exhaust fan 12, a water supply passage is additionally arranged on the secondary air washing room 16 and connected to a washing circulating water pump 13, the washing circulating water pump 13 supplies water to the cooling air washing room 6 and the secondary air washing room 16 at the same time, and a water return passage is arranged below the secondary air washing room 16 and connected to a circulating water tank 14; the gas treated by the cooling gas washing room 6 is blown by positive pressure of the air exhaust fan 12 to enter the secondary gas washing room 16 again, and then is subjected to subsequent treatment or emission after being sprayed, washed and cooled again.
When the system is in operation, gases from different sources are finally collected into the cooling gas washing room 6 to form mixed waste gas, then the mixed waste gas is circularly cooled and washed with the gas washing room under the combined action of the air exhaust fan 12 and the washing circulating water pump 13, the gas is continuously generated, the cooling washing processes in the front cooling gas washing room 6 and the rear gas washing room are also continuously carried out, wherein various gases are collected into the cooling gas washing room 6, meanwhile, one water conveying branch of the washing circulating water pump 13 extracts cold water cooled by the water cooling tower 15 to the front cooling gas washing room 6, the mixed waste gas is subjected to primary cooling washing, the cooled and washed gas is continuously conveyed backwards, and the generated waste water directly enters the circulating water tank 14 to be cooled and deposited with particles, and then enters the water cooling tower 15 for later use; then the mixed waste gas after the first-stage cooling and washing is continuously sent to a gas washing room at the rear end through an air exhaust fan 12, the other water sending branch of a washing circulating water pump 13 extracts cold water from a water cooling tower 15 to carry out second-stage washing on the mixed waste gas, and the generated secondary waste water returns to a circulating water tank 14 through a water return pipeline and then enters the water cooling tower 15 for standby and is recycled; and finally, the mixed waste gas is guided away by the channel for subsequent treatment or discharge after the mixed waste gas is subjected to primary cooling washing of the cooling gas washing room 6 and secondary washing of the gas washing room.
Claims (2)
1. A collection and centralized purification treatment system for various waste gases in a phosphorus sludge recovery process is characterized by comprising a phosphorus steam condensation and collection device, a phosphorus sludge pool water vapor collection device, a phosphorus receiving pool tail gas collection device and a phosphorus sludge rotary pot combustion tail gas collection device;
the phosphorus steam condensation and collection device comprises a phosphorus receiving pool (1), a primary condensation recovery tower (2) and a secondary condensation recovery tower (3), wherein the bottom end of the primary condensation recovery tower (2) is opened and is higher than the water surface of the phosphorus receiving pool (1), in addition, a top guide pipe of the primary condensation recovery tower (2) is connected to the bottom end side wall of the secondary condensation recovery tower (3), and a pipeline at the top of the secondary condensation recovery tower (3) is directly connected with a water vapor pipeline (4); the inside of the first-stage condensation recovery tower (2) and the second-stage condensation recovery tower (3) is provided with an atomizing nozzle, the inner side of the tower wall is provided with a plurality of circles of parallel spray pipes, and the spray direction of the spray pipes points to the center of the tower body;
the water vapor collecting device of the phosphorous sludge pool comprises a plurality of steam exhaust pipes (5) which are arranged in parallel and are respectively communicated with the corresponding single phosphorous sludge pool, and a water vapor pipeline (4) which gathers the steam exhaust pipes (5), and the other end of the water vapor pipeline (4) is connected to a cooling gas washing room (6);
the tail gas collecting device of the phosphorus receiving pool (1) comprises a negative pressure gas collecting bin (7) arranged at the top of the secondary condensation recovery tower (3), a negative pressure fan (8) and corresponding pipelines, and the pipelines are connected to a water vapor pipeline (4);
the device for collecting the combustion tail gas of the mud phosphorus rotary pot comprises a plurality of rotary pot gas-collecting hoods (9) arranged around the mud phosphorus rotary pot, smoke guide pipes (10) respectively connected with the rotary pot gas-collecting hoods (9) and a smoke pipeline (11) connected with all the smoke guide pipes (10), wherein the other end of the smoke pipeline (11) is communicated with a cooling gas washing room (6);
above-mentioned phosphorus steam condensation collection device, phosphorus mud pool vapor collection device, receive phosphorus pool (1) tail gas collection device and phosphorus mud pan burning tail gas collection device and finally collect to cooling gas washing room (6), the gas outlet of cooling gas washing room (6) sets up air exhaust fan (12), and in addition, the water inlet of cooling gas washing room (6) links to each other with washing circulating water pump (13), and the bottom of cooling gas washing room (6) sets up the sewage collecting vat simultaneously to connect to circulating water pool (14) to link to each other with cooling tower (15), washing circulating water pump (13).
2. The system for collecting and centralized purification treatment of multiple waste gases in a phosphorus sludge recovery process according to claim 1, wherein a secondary gas washing room (16) is arranged at the rear end of the air exhaust fan (12), a water supply passage is additionally arranged on the secondary gas washing room (16) and connected to the washing circulating water pump (13), the washing circulating water pump (13) supplies water to the cooling gas washing room (6) and the secondary gas washing room (16), a water return passage is arranged below the secondary gas washing room (16) and connected to the circulating water tank (14), and then the cooling tower (15) and the washing circulating water pump (13) are sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220321470.8U CN216778373U (en) | 2022-02-17 | 2022-02-17 | Collection and centralized purification treatment system for various waste gases in phosphorus sludge recovery process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220321470.8U CN216778373U (en) | 2022-02-17 | 2022-02-17 | Collection and centralized purification treatment system for various waste gases in phosphorus sludge recovery process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216778373U true CN216778373U (en) | 2022-06-21 |
Family
ID=82017561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220321470.8U Active CN216778373U (en) | 2022-02-17 | 2022-02-17 | Collection and centralized purification treatment system for various waste gases in phosphorus sludge recovery process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216778373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115818595A (en) * | 2022-11-10 | 2023-03-21 | 云南澄江志成磷业化工有限责任公司 | Closed anti-blocking sludge phosphorus recovery system |
| CN116099865A (en) * | 2023-02-16 | 2023-05-12 | 会东金川磷化工有限责任公司 | Yellow phosphorus mud phosphorus extraction device and method |
-
2022
- 2022-02-17 CN CN202220321470.8U patent/CN216778373U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115818595A (en) * | 2022-11-10 | 2023-03-21 | 云南澄江志成磷业化工有限责任公司 | Closed anti-blocking sludge phosphorus recovery system |
| CN115818595B (en) * | 2022-11-10 | 2024-03-19 | 云南澄江志成磷业化工有限责任公司 | Closed anti-blocking sludge phosphorus recovery system |
| CN116099865A (en) * | 2023-02-16 | 2023-05-12 | 会东金川磷化工有限责任公司 | Yellow phosphorus mud phosphorus extraction device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216778373U (en) | Collection and centralized purification treatment system for various waste gases in phosphorus sludge recovery process | |
| CN103055650A (en) | Exhaust gas treatment system | |
| CN105737163B (en) | Household garbage low-temperature pyrolysis system and method based on decoupling combustion | |
| CN111609406A (en) | Method for treating domestic garbage | |
| CN110141927B (en) | Blast furnace slag flushing steam whitening system and method based on waste heat utilization | |
| CN112044224A (en) | Deep treatment system and treatment method for high-temperature water-washed slag steam pollutants | |
| CN110926217B (en) | Yellow phosphorus slag water quenching waste heat recovery device | |
| CN102865583A (en) | Device and method for saline organic wastewater immersed incineration quenching treatment | |
| CN109224806A (en) | A kind of waste gas purification technique and purification system | |
| CN109775785A (en) | A kind of high-salt wastewater burns desalting system and its processing method | |
| CN102588989A (en) | Smoke spraying and purifying heat recovery system of gas boiler as well as gas and fuel oil burning device | |
| CN102587884B (en) | Utilizing process for underground gasified gas condensate | |
| CN210945666U (en) | Converter gas dry dedusting recovery system | |
| CN112044222A (en) | System and method for removing colored smoke plume of high-temperature water-washed slag steam | |
| CN204853508U (en) | High enriched salt waste water, low -cost processing apparatus of waste residue of containing | |
| CN206867983U (en) | A kind of chimney exhaust gas processing device | |
| CN203155019U (en) | Exhaust gas purifier | |
| CN202813394U (en) | Saline organic wastewater immersion-type combustion quenching processing device | |
| CN110056883A (en) | A kind of thermal decomposition furnace grate furnace system | |
| CN202511310U (en) | Flue gas spraying purification and heat recovery system for gas-fired boilers and gas and oil burning devices | |
| CN115448270B (en) | Efficient low-emission sludge phosphorus recovery treatment process and corresponding treatment system | |
| CN107081050A (en) | A kind of chimney exhaust gas processing device | |
| CN109775786A (en) | A kind of high-salt wastewater burns desalting system and its processing method | |
| CN212818972U (en) | Colored smoke plume desorption system of high temperature water flushing sediment steam | |
| CN210267297U (en) | Flue gas treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |