CN211393862U - Yellow phosphorus electric stove tail gas air exhaust system - Google Patents
Yellow phosphorus electric stove tail gas air exhaust system Download PDFInfo
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- CN211393862U CN211393862U CN201922130018.4U CN201922130018U CN211393862U CN 211393862 U CN211393862 U CN 211393862U CN 201922130018 U CN201922130018 U CN 201922130018U CN 211393862 U CN211393862 U CN 211393862U
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a yellow phosphorus electric stove tail gas air exhaust system, including yellow phosphorus electric stove, pipeline and recovery mechanism, there is the washing tower yellow phosphorus electric stove's the end of giving vent to anger through the pipeline intercommunication, the end intercommunication of giving vent to anger of washing tower has the boiler combustion chamber, the end of giving vent to anger of boiler combustion chamber is provided with the recovery mechanism, it includes the water tank to retrieve the mechanism, the top intercommunication of water tank has the water injection pipe, the bottom intercommunication of water tank one side has the outlet pipe, the inner chamber of water tank is provided with the cooling tube. The utility model discloses a cooperation of yellow phosphorus electric stove, washing tower, air exhauster, boiler combustion chamber, water tank, intake pipe, outlet duct, cooling tube, water injection pipe, evaporimeter, boiler drum, chimney and pipeline is used, has solved current yellow phosphorus electric stove tail gas air exhaust system and can't carry out make full use of to the waste heat in the tail gas, and a large amount of heats in the tail gas run off to the waste of the energy has been caused, tail gas emission has caused environmental pollution's problem simultaneously.
Description
Technical Field
The utility model relates to a yellow phosphorus tail gas technical field specifically is a yellow phosphorus electric stove tail gas air exhaust system.
Background
At present, in the production process of the yellow phosphorus industry, the largest pollutant is yellow phosphorus tail gas, pollution control and emission reduction of the yellow phosphorus tail gas are realized, the yellow phosphorus tail gas is extracted firstly, the existing technology generally adopts an air extractor to directly extract the yellow phosphorus tail gas before the yellow phosphorus tail gas is emptied into a water seal, the extraction method has the biggest problem that 100% of the yellow phosphorus tail gas cannot be extracted, at most, 85% of the total amount can only be extracted, the extraction rate is increased, the electric furnace is subjected to positive pressure and negative pressure, air passes through a material layer from a material bin to enter the electric furnace during negative pressure, the air entering the electric furnace is blasted when the air amount is small, the electric furnace is exploded when the amount is large, and the safe operation of the electric furnace is seriously threatened.
The principle of using a yellow phosphorus tail gas burning boiler to prepare steam is similar to that of a gas-fired boiler, but the technical difficulty is that boiler equipment is difficult to corrode the yellow phosphorus tail gas in the combustion process, the existing yellow phosphorus electric furnace tail gas pumping system cannot fully utilize the waste heat in the tail gas, and a large amount of heat in the tail gas is lost, so that the energy waste is caused, and meanwhile, the tail gas emission causes the environmental pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a yellow phosphorus electric stove tail gas air exhaust system possesses energy-concerving and environment-protective advantage, has solved current yellow phosphorus electric stove tail gas air exhaust system and can't carry out make full use of to the waste heat in the tail gas, and a large amount of heats in the tail gas run off to caused the waste of the energy, tail gas discharge has caused environmental pollution's problem simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: a yellow phosphorus electric furnace tail gas extraction system comprises a yellow phosphorus electric furnace, a pipeline and a recovery mechanism, wherein the gas outlet end of the yellow phosphorus electric furnace is communicated with a washing tower through the pipeline, the gas outlet end of the washing tower is communicated with a boiler combustion chamber, the gas outlet end of the boiler combustion chamber is provided with the recovery mechanism, the recovery mechanism comprises a water tank, the top of the water tank is communicated with a water injection pipe, the bottom end of one side of the water tank is communicated with a water outlet pipe, the inner cavity of the water tank is provided with a cooling pipe, the gas inlet end of the cooling pipe is communicated with a gas inlet pipe, one end of the gas inlet pipe is communicated with the gas outlet end of the boiler combustion chamber through the pipeline, the gas outlet end of the cooling pipe is communicated with a gas outlet pipe, one side of the recovery mechanism is communicated with an evaporator, one end of the gas outlet pipe is communicated with the gas inlet end of the evaporator through the, the air outlet end of the boiler drum is communicated to the return end of the evaporator through a pipeline, and the air outlet end of the evaporator is communicated with a chimney through a pipeline.
Preferably, a water outlet valve is fixedly mounted on the surface of the water outlet pipe, the cooling pipe is of an S-shaped structure, water is injected into the water tank, and the water level of the water is higher than the height of the cooling pipe.
Preferably, the pipeline between the air outlet end of the water washing tower and the air inlet end of the boiler combustion chamber is communicated with an exhaust fan, the pipeline between the air outlet end of the boiler combustion chamber and the air inlet pipe is communicated with an exhaust fan, and the pipeline between the air outlet end of the evaporator and the chimney is communicated with an exhaust fan.
Preferably, an exhaust valve is fixedly installed at a pipeline between the air outlet end of the boiler drum and the return end of the evaporator, and a steam outlet of the boiler drum is communicated with external heat-requiring equipment to serve as a heat source.
Preferably, the inner wall of the water tank is fixedly connected with a heat-insulating layer, and the heat-insulating layer is a polyurethane foaming color steel plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a yellow phosphorus electric stove, the scrubbing tower, the air exhauster, the boiler combustion chamber, the water tank, the intake pipe, the outlet duct, the cooling tube, the water injection pipe, the evaporimeter, the boiler drum, the cooperation of chimney and pipeline is used, can carry out make full use of to yellow phosphorus tail gas heat energy, the energy has been practiced thrift, the pollution of environment has been avoided simultaneously, it can't carry out make full use of to the waste heat in the tail gas to have solved current yellow phosphorus electric stove tail gas exhaust system, a large amount of heat in the tail gas runs off, thereby the waste of the energy has been caused, tail gas emission has caused environmental pollution's problem simultaneously.
2. The utility model discloses a use of washing tower, can detach most dust impurity in the yellow phosphorus tail gas, fluorine, phosphorus and sulphur, use through recovery mechanism, can retrieve the heat energy in the yellow phosphorus tail gas, use through the water tank, can conveniently cool off the yellow phosphorus tail gas through its inside water, use through the water injection pipe, can conveniently be to water injection in the water tank, use through the outlet pipe, can conveniently discharge the hot water in the water tank, use through evaporimeter and boiler steam pocket, can produce steam, conveniently to the heat supply of outside heat demand equipment, use through the chimney, can conveniently discharge yellow phosphorus tail gas after purifying.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the cross-sectional structure view of the recycling mechanism of the present invention.
In the figure: 1 yellow phosphorus electric furnace, 2 water washing tower, 3 exhaust fan, 4 boiler combustion chamber, 5 recovery mechanism, 51 water tank, 52 air inlet pipe, 53 water outlet pipe, 54 air outlet pipe, 55 cooling pipe, 56 water injection pipe, 6 evaporator, 7 boiler steam drum, 8 chimney, 9 pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a yellow phosphorus electric stove 1, washing tower 2, air exhauster 3, boiler combustion chamber 4, recovery mechanism 5, water tank 51, intake pipe 52, outlet pipe 53, outlet duct 54, cooling tube 55, water injection pipe 56, evaporimeter 6, boiler drum 7, chimney 8 and pipeline 9 part are the parts that general standard or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1-2, a yellow phosphorus electric furnace tail gas extraction system comprises a yellow phosphorus electric furnace 1, a pipeline 9 and a recovery mechanism 5, wherein an air outlet end of the yellow phosphorus electric furnace 1 is communicated with a washing tower 2 through the pipeline 9, most of dust impurities, fluorine, phosphorus and sulfur in the yellow phosphorus tail gas can be removed through the use of the washing tower 2, the air outlet end of the washing tower 2 is communicated with a boiler combustion chamber 4, the air outlet end of the boiler combustion chamber 4 is provided with the recovery mechanism 5, the heat energy in the yellow phosphorus tail gas can be recovered through the use of the recovery mechanism 5, the recovery mechanism 5 comprises a water tank 51, the inner wall of the water tank 51 is fixedly connected with a heat insulation layer, the heat insulation layer is a polyurethane foaming color steel plate, the top of the water tank 51 is communicated with a water injection pipe 56, the bottom end of one side of the water tank 51 is communicated with a water outlet pipe 53, the surface of the water outlet pipe 53 is fixedly provided, water is injected into the water tank 51, the water level of the water is higher than the height of the cooling pipe 55, the cooling pipe 55 is arranged in the inner cavity of the water tank 51, the air inlet end of the cooling pipe 55 is communicated with the air inlet pipe 52, the yellow phosphorus tail gas can be conveniently cooled through the water in the water tank 51 by using the water tank 51, the water can be conveniently injected into the water tank 51 by using the water injection pipe 56, the hot water in the water tank 51 can be conveniently discharged by using the water outlet pipe 53, one end of the air inlet pipe 52 is communicated with the air outlet end of the boiler combustion chamber 4 through the pipeline 9, the air outlet end of the cooling pipe 55 is communicated with the air outlet pipe 54, one side of the recovery mechanism 5 is communicated with the evaporator 6, one end of the air outlet pipe 54 is communicated with the air inlet end of the evaporator 6 through the pipeline 9, the air outlet end of the evaporator 6 is communicated with the boiler steam pocket 7 through the pipeline 9, an exhaust valve is fixedly arranged at the pipeline 9, the steam outlet of the boiler steam drum 7 is communicated with external heat-requiring equipment to be used as a heat supply source, steam can be generated through the use of the evaporator 6 and the boiler steam drum 7, the heat supply to the external heat-requiring equipment is convenient, the air outlet end of the boiler steam drum 7 is communicated to the return end of the evaporator 6 through a pipeline 9, the air outlet end of the evaporator 6 is communicated with a chimney 8 through a pipeline 9, the purified yellow phosphorus tail gas can be conveniently discharged through the use of the chimney 8, the pipeline 9 between the air outlet end of the washing tower 2 and the air inlet end of the boiler combustion chamber 4 is communicated with an exhaust fan 3, the pipeline 9 between the air outlet end of the boiler combustion chamber 4 and an air inlet pipe 52 is communicated with an exhaust fan 3, the pipeline 9 between the air outlet end of the evaporator 6 and the chimney 8 is communicated with the exhaust fan 3, and the water tank 51, an air inlet pipe 52 and a water outlet pipe 53 are communicated with the exhaust fan 3 through, Outlet duct 54, cooling tube 55, water injection pipe 56, evaporimeter 6, boiler drum 7, chimney 8 and pipeline 9's cooperation is used, can carry out make full use of yellow phosphorus tail gas heat energy, the energy has been practiced thrift, the pollution of environment has been avoided simultaneously, it can't carry out make full use of to the waste heat in the tail gas to have solved current yellow phosphorus electric stove tail gas air exhaust system, a large amount of heats in the tail gas run off, thereby the waste of the energy has been caused, tail gas emission has caused environmental pollution's problem simultaneously.
When in use, tail gas from a yellow phosphorus electric furnace 1 is subjected to phosphorus recovery by the electric furnace three towers and is washed by a water washing tower 2, most of dust impurities, fluorine, phosphorus and sulfur in the tail gas are removed, and then the tail gas is conveyed to a boiler combustion chamber 4 for combustion, and high-temperature flue gas formed in a combustor is about 1500 ℃; then enters a cooling pipe 55 through an air inlet pipe 52, the cooling pipe 55 is contacted with water in the water tank 51, the water stays in the water for a period of time through the cooling pipe 55 and then is introduced into the evaporator 6, and the evaporator 6 exchanges heat with the tubes; the body of the evaporator 6 and the boiler drum 7 form a steam generator through an upper circulation pipeline and a lower circulation pipeline, soft water absorbs heat in the body of the evaporator 6 to generate a steam-water mixture, the soft water enters a steam collector through an upper circulation pipeline to be subjected to steam-water separation, and the separated saturated steam is conveyed outwards to a heat-requiring device through a steam outlet of the boiler drum 7 for production and use; the soft water which is not vaporized returns to the body of the evaporator 6 through the lower circulating pipe to be subjected to heat absorption and evaporation again; after the heat of the high-temperature flue gas is released in the evaporator 6, the temperature is reduced to about 250 ℃, and the heat is pumped out by the exhaust fan 3 to the chimney 8 for discharging.
In summary, the following steps: this yellow phosphorus electric stove tail gas air exhaust system, through yellow phosphorus electric stove 1, washing tower 2, air exhauster 3, boiler combustion chamber 4, recovery mechanism 5, water tank 51, intake pipe 52, outlet pipe 53, outlet duct 54, cooling tube 55, water injection pipe 56, evaporimeter 6, boiler drum 7, chimney 8 and pipeline 9's cooperation is used, it can't carry out make full use of to the waste heat in the tail gas to have solved current yellow phosphorus electric stove tail gas air exhaust system, a large amount of heat in the tail gas runs off, thereby the waste of the energy has been caused, tail gas emission has caused environmental pollution's problem simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a yellow phosphorus electric stove tail gas air exhaust system, includes yellow phosphorus electric stove (1), pipeline (9) and retrieves mechanism (5), its characterized in that: the gas outlet end of the yellow phosphorus electric furnace (1) is communicated with a washing tower (2) through a pipeline (9), the gas outlet end of the washing tower (2) is communicated with a boiler combustion chamber (4), the gas outlet end of the boiler combustion chamber (4) is provided with a recovery mechanism (5), the recovery mechanism (5) comprises a water tank (51), the top of the water tank (51) is communicated with a water injection pipe (56), the bottom end of one side of the water tank (51) is communicated with a water outlet pipe (53), the inner cavity of the water tank (51) is provided with a cooling pipe (55), the gas inlet end of the cooling pipe (55) is communicated with a gas inlet pipe (52), one end of the gas inlet pipe (52) is communicated with the gas outlet end of the boiler combustion chamber (4) through the pipeline (9), the gas outlet end of the cooling pipe (55) is communicated with a gas outlet pipe (54), one side of the recovery mechanism (5) is communicated with an, one end of the air outlet pipe (54) is communicated with an air inlet end of the evaporator (6) through a pipeline (9), an air outlet end of the evaporator (6) is communicated with a boiler drum (7) through the pipeline (9), an air outlet end of the boiler drum (7) is communicated with a return end of the evaporator (6) through the pipeline (9), and an air outlet end of the evaporator (6) is communicated with a chimney (8) through the pipeline (9).
2. The exhaust gas extraction system for the yellow phosphorus electric furnace according to claim 1, characterized in that: the surface fixed mounting of outlet pipe (53) has the outlet valve, cooling tube (55) are "S" type structure, it has water to inject in water tank (51), and the water level of water is higher than the height of cooling tube (55).
3. The exhaust gas extraction system for the yellow phosphorus electric furnace according to claim 1, characterized in that: pipeline (9) department intercommunication between the end of giving vent to anger of water scrubber (2) and boiler combustion chamber (4) inlet end has air exhauster (3), pipeline (9) department intercommunication between the end of giving vent to anger of boiler combustion chamber (4) and intake pipe (52) has air exhauster (3), pipeline (9) department intercommunication between the end of giving vent to anger of evaporimeter (6) and chimney (8) has air exhauster (3).
4. The exhaust gas extraction system for the yellow phosphorus electric furnace according to claim 1, characterized in that: an exhaust valve is fixedly installed at a pipeline (9) between the air outlet end of the boiler drum (7) and the backflow end of the evaporator (6), and a steam outlet of the boiler drum (7) is communicated with external heat-requiring equipment to serve as a heat supply source.
5. The exhaust gas extraction system for the yellow phosphorus electric furnace according to claim 1, characterized in that: the inner wall of the water tank (51) is fixedly connected with a heat-insulating layer, and the heat-insulating layer is a polyurethane foaming color steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922130018.4U CN211393862U (en) | 2019-12-03 | 2019-12-03 | Yellow phosphorus electric stove tail gas air exhaust system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922130018.4U CN211393862U (en) | 2019-12-03 | 2019-12-03 | Yellow phosphorus electric stove tail gas air exhaust system |
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| CN211393862U true CN211393862U (en) | 2020-09-01 |
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| CN201922130018.4U Active CN211393862U (en) | 2019-12-03 | 2019-12-03 | Yellow phosphorus electric stove tail gas air exhaust system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577944A (en) * | 2021-07-15 | 2021-11-02 | 宁波久丰热电有限公司 | Cleaning device is collected to impurity in boiler waste gas |
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2019
- 2019-12-03 CN CN201922130018.4U patent/CN211393862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577944A (en) * | 2021-07-15 | 2021-11-02 | 宁波久丰热电有限公司 | Cleaning device is collected to impurity in boiler waste gas |
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