CN211393863U - Utilize high-efficient mud phosphorus recovery system that carries of yellow phosphorus stove tail gas - Google Patents

Abstract

The utility model discloses an utilize high-efficient mud phosphorus recovery system of carrying of yellow phosphorus stove tail gas, including alkaline tower, heating furnace, first collection box and second collection box, the left bottom of alkaline tower is run through and is provided with yellow phosphorus tail gas pipe, yellow phosphorus tail gas pipe's one end runs through to the inner chamber of alkaline tower, the first fan of support fixedly connected with is passed through to the bottom on alkaline tower right side, and the fixed intercommunication in top of first fan air-supply line has first conveyer pipe. The utility model provides a what present mud phosphorus retrieved the adoption is with bituminous coal or white coal as the heat source, the heating furnace is fixed heating furnace, mud phosphorus heating in the heating furnace is slow, the phosphorus steam of production retrieves yellow phosphorus after the inslot water absorption, it is poor to adopt once absorption effect, environmental pollution is serious after discharging, adopt coal to heat the cauldron body, lead to recovery cost big, pollute more seriously, cauldron body equipment life is short, high in labor strength, and recovery efficiency is low moreover, the unsatisfactory problem of result of use.

Description

Utilize high-efficient mud phosphorus recovery system that carries of yellow phosphorus stove tail gas

Technical Field

The utility model relates to a technical field is retrieved to the phosphorus sludge, specifically is a utilize high-efficient mud phosphorus recovery system of carrying of yellow phosphorus stove tail gas.

Background

In the industrial production of yellow phosphorus, about 10 percent of sludge phosphorus is discharged outwards as industrial waste, the sludge phosphorus contains about 30 percent of yellow phosphorus, spontaneous combustion can be generated when air meets the situation, resource waste is caused, the environment is polluted, and the sludge phosphorus becomes a big problem in the production of the yellow phosphorus for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utilize high-efficient mud phosphorus recovery system of carrying of yellow phosphorus stove tail gas, possess energy-concerving and environment-protective advantage, it is as the heat source with bituminous coal or white coal to have solved present mud phosphorus recovery and adopt, the heating furnace is fixed heating furnace, mud phosphorus heating in the heating furnace is slow, the phosphorus steam of production retrieves yellow phosphorus after the inslot water absorbs, it is poor to adopt once absorption effect, environmental pollution is serious after discharging, adopt coal to heat the cauldron body, lead to that recovery cost is big, it is more serious to pollute, cauldron body equipment life is short, high labor strength, and recovery efficiency is low, the unsatisfactory problem of result of use.

In order to achieve the above object, the utility model provides a following technical scheme: a sludge phosphorus recovery system efficiently conveyed by using yellow phosphorus furnace tail gas comprises an alkaline washing tower, a heating furnace, a first recovery box and a second recovery box, wherein a yellow phosphorus tail gas pipe penetrates through the left bottom of the alkaline washing tower, one end of the yellow phosphorus tail gas pipe penetrates into the inner cavity of the alkaline washing tower, a first fan is fixedly connected with the right bottom of the alkaline washing tower through a support, a first conveying pipe is fixedly communicated with the top of an air inlet pipe of the first fan, one end, far away from the first fan, of the first conveying pipe penetrates into the inner cavity of the alkaline washing tower, a second conveying pipe is fixedly communicated with the bottom of an air outlet pipe of the first fan, one end, far away from the first fan, of the second conveying pipe penetrates into the inner cavity of the heating furnace and is fixedly communicated with an air injection plate, a feeding pipe penetrates through the left side of the heating furnace, one end of the feeding pipe penetrates through the inner cavity of the heating furnace and extends, the left side at first recovery case top is passed through support fixedly connected with second fan, the fixed intercommunication of one end of second fan air-supply line has the third conveyer pipe, the fixed intercommunication of one end that the second fan was kept away from to the third conveyer pipe and the one end of filling tube, the one end that the second fan goes out the tuber pipe runs through to the inner chamber of first recovery case and fixed intercommunication has the fourth conveyer pipe, support fixedly connected with third fan is passed through in the left side at second recovery case top, the fixed intercommunication of the left end of third fan air-supply line has the fifth conveyer pipe, the fixed intercommunication in one end and the right side at first recovery case top that the third fan was kept away from to the fifth conveyer pipe, the one end of third fan runs through to the inner chamber of second recovery case and fixed intercommunication has the sixth conveyer pipe, the fixed intercommunication in top on second recovery case right side has the blast pipe.

Preferably, the top of the left side of the alkaline tower and the right sides of the tops of the first recovery tank and the second recovery tank are fixedly communicated with a water adding pipe, and a first valve is arranged on the surface of the water adding pipe.

Preferably, the bottom of the first recovery box and the bottom of the second recovery box are both fixedly communicated with a material discharge pipe, and a second valve is arranged on the surface of the material discharge pipe.

Preferably, the bottom of the alkaline washing tower is fixedly communicated with a drain pipe, and the surface of the drain pipe is provided with a third valve.

Preferably, the front surfaces of the alkaline tower, the first recovery tank and the second recovery tank are fixedly connected with liquid level windows, the front surfaces of the liquid level windows are sprayed with scale marks, and the front bottoms of the alkaline tower, the first recovery tank and the second recovery tank are fixedly connected with observation windows.

Preferably, the bottoms of the alkaline washing tower, the heating furnace, the first recovery tank and the second recovery tank are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with supporting seats.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model has the advantages of energy saving and environmental protection by matching the alkaline washing tower, the heating furnace, the first recovery box, the second recovery box, the yellow phosphorus tail gas pipe, the first fan, the first delivery pipe, the second delivery pipe, the gas injection plate, the charging pipe, the second fan, the third delivery pipe, the fourth delivery pipe, the third fan, the fifth delivery pipe, the sixth delivery pipe and the exhaust pipe, solves the problems that the prior sludge phosphorus recovery adopts soft coal or white coal as the heat source, the heating furnace is a fixed heating furnace, the sludge phosphorus in the heating furnace is slowly heated, the generated phosphorus steam is absorbed by water in the tank to recover yellow phosphorus, the once absorption effect is poor, the environmental pollution is serious after the discharge, and the kettle body is heated by coal, so that the recovery cost is high, the pollution is serious, the service life of kettle body equipment is short, the labor intensity is high, the recovery efficiency is low, and the use effect is not ideal.

2. The utility model discloses a set up the filler pipe, conveniently add alkaline liquid and carry out the water injection in first collection box and the second collection box in the alkaline tower, through setting up first valve, prevent the discharge of yellow phosphorus tail gas and the interior phosphorus steam gas of first collection box and second collection box in the alkaline tower, through setting up row material pipe and second valve, be convenient for discharge the phosphorus of retrieving, through setting up blow off pipe and third valve, be convenient for discharge the material of acid gas and alkali lye reaction output in the yellow phosphorus tail gas, through setting up liquid level window and scale mark, be convenient for observe the alkaline tower, the liquid level in first collection box and the second collection box, add alkaline liquid and water through the filler pipe, through setting up the observation window, be convenient for observe the alkaline tower, the precipitate and the phosphorus of retrieving of bottom in first collection box and the second collection box, discharge through blow off pipe and row material pipe, through setting up the support, the area of contact of increase landing leg and ground makes recovery unit more stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the alkaline washing tower of the present invention;

fig. 3 is a schematic cross-sectional view of the first recycling bin and the second recycling bin of the present invention.

In the figure: 1 alkaline washing tower, 2 heating furnaces, 3 first recovery boxes, 4 second recovery boxes, 5 yellow phosphorus tail gas pipes, 6 first fans, 7 first conveying pipes, 8 second conveying pipes, 9 gas injection plates, 10 feeding pipes, 11 second fans, 12 third conveying pipes, 13 fourth conveying pipes, 14 third fans, 15 fifth conveying pipes, 16 sixth conveying pipes, 17 exhaust pipes, 18 water adding pipes, 19 first valves, 20 discharging pipes, 21 second valves, 22 sewage discharging pipes, 23 third valves, 24 liquid level windows, 25 observation windows and 26 supporting legs.

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 an alkaline washing tower 1, heating furnace 2, first collection box 3, second collection box 4, yellow phosphorus exhaust pipe 5, first fan 6, first conveyer pipe 7, second conveyer pipe 8, jet-propelled board 9, filling tube 10, second fan 11, third conveyer pipe 12, fourth conveyer pipe 13, third fan 14, fifth conveyer pipe 15, sixth conveyer pipe 16, blast pipe 17, water pipe 18, first valve 19, arrange material pipe 20, second valve 21, blow off pipe 22, third valve 23, liquid level window 24, observation window 25 and landing leg 26 part are the parts that general standard or technical staff in the field know, its structure and principle all are that this technical staff all can learn through the technical manual or obtain through conventional experimental method.

Referring to fig. 1-3, a system for efficiently conveying sludge phosphorus by using tail gas of a yellow phosphorus furnace comprises an alkaline tower 1, a heating furnace 2, a first recovery tank 3 and a second recovery tank 4, wherein a yellow phosphorus tail gas pipe 5 is arranged at the left bottom of the alkaline tower 1 in a penetrating manner, one end of the yellow phosphorus tail gas pipe 5 is arranged in a penetrating manner to an inner cavity of the alkaline tower 1, a first fan 6 is fixedly connected to the right bottom of the alkaline tower 1 through a support, a first conveying pipe 7 is fixedly communicated with the top of an air inlet pipe of the first fan 6, one end of the first conveying pipe 7, which is far away from the first fan 6, is arranged in a penetrating manner to an inner cavity of the alkaline tower 1, a second conveying pipe 8 is fixedly communicated with the bottom of an air outlet pipe of the first fan 6, one end of the second conveying pipe 8, which is far away from the first fan 6, is arranged in a penetrating manner to an inner cavity of the heating furnace 2 and is fixedly communicated with an air injection plate 9, a feeding pipe, a second fan 11 is fixedly connected to the left side of the top of the first recovery tank 3 through a support, a third delivery pipe 12 is fixedly communicated with one end of an air inlet pipe of the second fan 11, one end of the third delivery pipe 12 far away from the second fan 11 is fixedly communicated with one end of a feed pipe 10, one end of an air outlet pipe of the second fan 11 penetrates through an inner cavity of the first recovery tank 3 and is fixedly communicated with a fourth delivery pipe 13, a third fan 14 is fixedly connected to the left side of the top of the second recovery tank 4 through a support, a fifth delivery pipe 15 is fixedly communicated with the left end of an air inlet pipe of the third fan 14, one end of the fifth delivery pipe 15 far away from the third fan 14 is fixedly communicated with the right side of the top of the first recovery tank 3, one end of the third fan 14 penetrates through an inner cavity of the second recovery tank 4 and is fixedly communicated with a sixth delivery pipe 16, the top of the right side of the second recovery tank 4 is fixedly communicated with an exhaust pipe 17, and water feeding pipes 18 are fixedly communicated with the top of the left side of the, the surface of the water adding pipe 18 is provided with a first valve 19, alkaline liquid is conveniently added into the alkaline tower 1 and water is conveniently injected into the first recovery box 3 and the second recovery box 4 by arranging the water adding pipe 18, yellow phosphorus tail gas in the alkaline tower 1 and phosphorus steam gas in the first recovery box 3 and the second recovery box 4 are prevented from being discharged by arranging the first valve 19, the bottoms of the first recovery box 3 and the second recovery box 4 are fixedly communicated with a discharge pipe 20, the surface of the discharge pipe 20 is provided with a second valve 21, the discharge pipe 20 and the second valve 21 are arranged to facilitate discharging recovered phosphorus, the bottom of the alkaline tower 1 is fixedly communicated with a drain pipe 22, the surface of the drain pipe 22 is provided with a third valve 23, substances generated by reaction of acid gas and alkali liquor in the yellow phosphorus tail gas are conveniently discharged by arranging the drain pipe 22 and the third valve 23, the front faces of the alkaline tower 1, the first recovery box 3 and the second recovery box 4 are fixedly connected with liquid level windows 24, the scale marks are sprayed on the front surface of the liquid level window 24, the alkali wash tower 1, the bottom of the front surfaces of the first recovery box 3 and the second recovery box 4 are fixedly connected with the observation window 25, the liquid level inside the alkali wash tower 1, the first recovery box 3 and the second recovery box 4 can be observed conveniently by arranging the liquid level window 24 and the scale marks, alkaline liquid and water are added through the water adding pipe 18, the precipitates and recovered phosphorus at the bottom inside the alkali wash tower 1, the first recovery box 3 and the second recovery box 4 can be observed conveniently by arranging the observation window 25, the precipitates and the recovered phosphorus at the bottom inside the alkali wash tower 1, the first recovery box 3 and the second recovery box 4 are discharged through the drain pipe 22 and the drain pipe 20, the landing legs 26 are fixedly connected with the bottom of the alkali wash tower 1, the heating furnace 2, the first recovery box 3 and the second recovery box 4, the support is fixedly connected with the bottom of the landing legs 26, the contact area between the landing legs 26 and the ground is increased by arranging the, The first recovery box 3, the second recovery box 4, the yellow phosphorus tail gas pipe 5, the first fan 6, the first delivery pipe 7, the second delivery pipe 8, the jet plate 9, the feeding pipe 10, the second fan 11, the third delivery pipe 12, the fourth delivery pipe 13, the third fan 14, the fifth delivery pipe 15, the sixth delivery pipe 16 and the exhaust pipe 17 are matched, the advantages of energy saving and environmental protection are achieved, the problems that bituminous coal or white coal is used as a heat source in the conventional mud phosphorus recovery, the heating furnace is a fixed heating furnace are solved, the sludge phosphorus in the heating furnace is slowly heated, the generated phosphorus steam is absorbed by water in the tank to recover yellow phosphorus, the once absorption effect is poor, the environmental pollution is serious after the discharge, and the kettle body is heated by coal, so that the recovery cost is high, the pollution is serious, the service life of kettle body equipment is short, the labor intensity is high, the recovery efficiency is low, and the use effect is not ideal.

When the device is used, the yellow phosphorus furnace tail gas enters the alkaline tower 1 through the yellow phosphorus tail gas pipe 5, acid gas in the yellow phosphorus furnace tail gas is absorbed, the alkaline tower enters the top of the inner cavity of the alkaline tower 1 after alkaline cleaning is finished, the yellow phosphorus tail gas at the top of the inner cavity of the alkaline tower 1 sequentially passes through the first conveying pipe 7 and the second conveying pipe 8 and is sprayed out from the air injection plate 9 by the operation of the first fan 6, the yellow phosphorus tail gas contains a large amount of CO and is ignited, phosphorus in the phosphorus sludge is added into the feeding pipe 10, the phosphorus in the phosphorus sludge is converted into phosphorus steam due to the generation of a large amount of heat by the combustion of the CO, the phosphorus steam enters the water in the first recovery box 3 sequentially through the third conveying pipe 12 and the fourth conveying pipe 13 and is cooled into yellow phosphorus simple substance solid, the steam emitted from the water in the first recovery box 3 sequentially passes through the fifth conveying pipe 15 and the sixth conveying pipe 16 and enters the water in the second recovery box 4 by the operation of the second fan 11, the uncooled phosphorus steam is cooled for the second time to form yellow phosphorus simple substance solid, and the tail gas of the yellow phosphorus furnace is fully utilized, thereby achieving the purposes of environmental protection and energy saving.

In summary, the following steps: the system for efficiently conveying the sludge phosphorus by using the tail gas of the yellow phosphorus furnace comprises an alkaline washing tower 1, a heating furnace 2, a first recovery box 3, a second recovery box 4, a yellow phosphorus tail gas pipe 5, a first fan 6, a first conveying pipe 7, a second conveying pipe 8, an air injection plate 9, a feeding pipe 10, a second fan 11, a third conveying pipe 12, a fourth conveying pipe 13, a third fan 14, a fifth conveying pipe 15, a sixth conveying pipe 16 and an exhaust pipe 17 which are matched, so that the problems that bituminous coal or white coal is used as a heat source, the heating furnace is a fixed heating furnace, sludge phosphorus in the heating furnace is slowly heated, generated phosphorus steam is absorbed by water in a groove to recover yellow phosphorus, the once absorption effect is poor, the environment pollution is serious after the discharge, coal is used for heating a kettle body, the recovery cost is high, the pollution is serious, the service life of kettle body equipment is short, and the labor intensity is high are solved, and the recovery efficiency is low, and the use effect is not ideal.

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 (6)

1. The utility model provides an utilize high-efficient mud phosphorus recovery system of carrying of yellow phosphorus stove tail gas, includes caustic wash tower (1), heating furnace (2), first collection box (3) and second collection box (4), its characterized in that: the device is characterized in that a yellow phosphorus tail gas pipe (5) penetrates through the bottom of the left side of the alkaline tower (1), one end of the yellow phosphorus tail gas pipe (5) penetrates through the inner cavity of the alkaline tower (1), a first fan (6) is fixedly connected to the bottom of the right side of the alkaline tower (1) through a support, a first conveying pipe (7) is fixedly communicated with the top of an air inlet pipe of the first fan (6), one end, far away from the first fan (6), of the first conveying pipe (7) penetrates through the inner cavity of the alkaline tower (1), the bottom of an air outlet pipe of the first fan (6) is fixedly communicated with a second conveying pipe (8), one end, far away from the first fan (6), of the second conveying pipe (8) penetrates through the inner cavity of the heating furnace (2) and is fixedly communicated with an air injection plate (9), a feeding pipe (10) penetrates through the left side of the heating furnace (2), one end of the feeding pipe (10) penetrates through the inner cavity of the heating furnace (2) and extends to, the left side of the top of the first recovery box (3) is fixedly connected with a second fan (11) through a support, one end of an air inlet pipe of the second fan (11) is fixedly communicated with a third conveying pipe (12), one end, far away from the second fan (11), of the third conveying pipe (12) is fixedly communicated with one end of a feeding pipe (10), one end of an air outlet pipe of the second fan (11) penetrates through an inner cavity of the first recovery box (3) and is fixedly communicated with a fourth conveying pipe (13), the left side of the top of the second recovery box (4) is fixedly connected with a third fan (14) through a support, the left end of an air inlet pipe of the third fan (14) is fixedly communicated with a fifth conveying pipe (15), one end, far away from the third fan (14), of the fifth conveying pipe (15) is fixedly communicated with the right side of the top of the first recovery box (3), one end of the third fan (14) penetrates through an inner cavity of the second recovery box (4) and is fixedly communicated with a sixth conveying pipe (16), an exhaust pipe (17) is fixedly communicated with the top on the right side of the second recovery tank (4).

2. The system for efficiently conveying the sludge phosphorus by using the yellow phosphorus furnace tail gas as claimed in claim 1, which is characterized in that: the top of the left side of the alkaline tower (1) is fixedly communicated with the right sides of the tops of the first recovery tank (3) and the second recovery tank (4) through a water adding pipe (18), and a first valve (19) is arranged on the surface of the water adding pipe (18).

3. The system for efficiently conveying the sludge phosphorus by using the yellow phosphorus furnace tail gas as claimed in claim 1, which is characterized in that: the bottom of first collection box (3) and second collection box (4) all is fixed the intercommunication has row material pipe (20), the surface of arranging material pipe (20) is provided with second valve (21).

4. The system for efficiently conveying the sludge phosphorus by using the yellow phosphorus furnace tail gas as claimed in claim 1, which is characterized in that: the bottom of the alkaline tower (1) is fixedly communicated with a drain pipe (22), and the surface of the drain pipe (22) is provided with a third valve (23).

5. The system for efficiently conveying the sludge phosphorus by using the yellow phosphorus furnace tail gas as claimed in claim 1, which is characterized in that: the positive equal fixedly connected with liquid level window (24) of alkaline wash tower (1), first collection box (3) and second collection box (4), the spraying of the front of liquid level window (24) has the scale mark, the positive equal fixedly connected observation window (25) in bottom of alkaline wash tower (1), first collection box (3) and second collection box (4).

6. The system for efficiently conveying the sludge phosphorus by using the yellow phosphorus furnace tail gas as claimed in claim 1, which is characterized in that: the bottom of the alkaline tower (1), the bottom of the heating furnace (2), the bottom of the first recovery box (3) and the bottom of the second recovery box (4) are fixedly connected with supporting legs (26), and the bottom of each supporting leg (26) is fixedly connected with a support.

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