CN214020068U

CN214020068U - Yellow phosphorus tail gas purification power generation facility

Info

Publication number: CN214020068U
Application number: CN202022088342.7U
Authority: CN
Inventors: 李峰; 马锦聪; 孟永祥; 杨春松; 杨杰
Original assignee: Yunnan Mile Phosphorus Electrochemical Co ltd
Current assignee: Yunnan Mile Phosphorus Electrochemical Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-08-24
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a yellow phosphorus tail gas purifies power generation facility, including caustic wash tower, scrubbing tower, yellow phosphorus tail gas boiler, first casing and second casing, the fixed intercommunication in left side of caustic wash tower has the tail gas intake pipe, the top on the left top of caustic wash tower and scrubbing tower right side all is through support fixedly connected with water pump, the fixed intercommunication in bottom of water pump inlet tube has the feed liquor pipe, the fixed intercommunication in top of water pump outlet pipe has the return bend. The utility model provides a current yellow phosphorus tail gas purification power generation facility can not retrieve with the peat phosphorus and combine together, the peat phosphorus is retrieved and is adopted and use bituminous coal or white coal as the heat source, the heating furnace is fixed heating furnace, and the peat phosphorus heating in the heating furnace is slow, and the phosphorus steam of production retrieves yellow phosphorus after the inslot water absorbs, adopts once absorption effect poor, and environmental pollution is serious after discharging, adopts coal to heat the cauldron body, leads to retrieving the problem that the cost is big and pollute more seriously.

Description

Yellow phosphorus tail gas purification power generation facility

Technical Field

The utility model relates to a yellow phosphorus tail gas utilizes technical field, specifically is a yellow phosphorus tail gas purification power generation facility.

Background

Yellow phosphorus is a very important and irreplaceable chemical raw material, hundreds of products such as phosphoric acid, pesticide, detergent, phosphate fertilizer and the like can be produced by using the yellow phosphorus as a raw material, the yellow phosphorus is widely used in fertilizer industry, food industry, medicine industry, pesticide industry, electronic industry, textile industry, feed industry, glass industry, metallurgical industry and ceramics, the tail gas of the yellow phosphorus contains 85 to 95 percent of CO, and can be used as fuel and chemical raw material, the comprehensive utilization way is wide, the yellow phosphorus is used as power generation gas for power generation for a long time, but the existing yellow phosphorus tail gas purification power generation device cannot be combined with sludge phosphorus recovery, the sludge phosphorus recovery adopts bituminous coal or white coal as a heat source, a 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 a tank to recover the yellow phosphorus, the once absorption effect is poor, and the environment pollution is serious after the discharge, the kettle body is heated by coal, so that the recovery cost is high and the pollution is serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a yellow phosphorus tail gas purification power generation facility, possess can retrieve with the mud phosphorus and combine together with environmental protection and energy saving's advantage, it can not retrieve with the mud phosphorus and combine together to have solved current yellow phosphorus tail gas purification power generation facility, the mud phosphorus is retrieved and is adopted is to regard as the heat source with bituminous coal or white coal, the heating furnace is fixed heating furnace, it is slow to the mud phosphorus heating in the heating furnace, yellow phosphorus is retrieved after the inslot water absorption to the phosphorus steam of production, it is poor to adopt once absorption effect, environmental pollution is serious after discharging, adopt coal to heat the cauldron body, lead to retrieving the problem that the cost is big and the pollution is more serious.

In order to achieve the above object, the utility model provides a following technical scheme: a yellow phosphorus tail gas purification power generation device comprises an alkaline tower, a water scrubber, a yellow phosphorus tail gas boiler, a first shell and a second shell, wherein a tail gas inlet pipe is fixedly communicated with the left side of the alkaline tower, water pumps are fixedly connected with the left top of the alkaline tower and the right side of the water scrubber through supports, a liquid inlet pipe is fixedly communicated with the bottom of a water pump water inlet pipe, a bent pipe is fixedly communicated with the top of a water pump water outlet pipe, one end, far away from the water pumps, of the bent pipe penetrates through inner cavities of the alkaline tower and the water scrubber respectively and is fixedly communicated with a water spray plate, a first conveying pipe is fixedly connected with the top of the alkaline tower, one end, far away from the alkaline tower, of the first conveying pipe is fixedly communicated with the left side of the water scrubber, a second conveying pipe is fixedly communicated with the top of the water scrubber, one end, far away from the water scrubber, of the second conveying pipe is fixedly communicated with the left side of the yellow phosphorus tail gas boiler, the top of the yellow phosphorus tail gas boiler is fixedly communicated with an air outlet pipe, an inner cavity of the yellow phosphorus tail gas boiler is provided with a feeding pipe, two ends of the feeding pipe penetrate through the outer part of the yellow phosphorus tail gas boiler, the left side of the top of the first shell is fixedly connected with a first fan through a support, the left side of the top of the second shell is fixedly connected with a second fan through a support, the left end of the first fan air inlet pipe is fixedly communicated with a connecting pipe, one end of the connecting pipe, far away from the first fan, is fixedly communicated with one end of the feeding pipe, one end of the first fan air outlet pipe penetrates through the inner cavity of the first shell and is fixedly communicated with a first vertical pipe, the left end of the second fan air inlet pipe is fixedly communicated with an L-shaped pipe, one end of the L-shaped pipe, far away from the second fan, is fixedly communicated with the right side of the top of the first shell, one end of the second fan air outlet pipe penetrates through the inner cavity of the second shell and is fixedly communicated with a second vertical pipe, an exhaust pipe is fixedly communicated with the right side of the top of the second shell.

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

Preferably, the bottoms of the alkaline washing tower and the water washing tower are fixedly communicated with a slag discharge pipe, and a second valve is arranged on the surface of the slag discharge pipe.

Preferably, the right sides of the tops of the first shell and the second shell are fixedly communicated with a water adding pipe, and a third valve is arranged on the surface of the water adding pipe.

Preferably, the surfaces of the alkaline washing tower, the water washing tower and the yellow phosphorus tail gas boiler are fixedly connected with first supporting legs, the surfaces of the first shell and the second shell are fixedly connected with second supporting legs, and the bottoms of the front surfaces of the first shell and the second shell are fixedly connected with observation windows.

Preferably, the front surfaces of the first shell and the second shell are fixedly connected with liquid level windows, and the scale marks are sprayed on the front surfaces of the liquid level windows.

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

1. the utility model has the advantages of combining with the sludge phosphorus recovery and environmental protection and energy saving through the matching of the alkaline washing tower, the water washing tower, the yellow phosphorus tail gas boiler, the first shell, the second shell, the tail gas inlet pipe, the water pump, the liquid inlet pipe, the bent pipe, the water spray plate, the first delivery pipe, the second delivery pipe, the outlet pipe, the inlet pipe, the first fan, the second fan, the connecting pipe, the first vertical pipe, the L-shaped pipe, the second vertical pipe and the exhaust pipe, solves the problem that the prior yellow phosphorus tail gas purification and power generation device can not be combined with the sludge phosphorus recovery, the sludge phosphorus recovery adopts the bituminous coal or the 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 problems of high recovery cost and serious pollution are caused by heating the kettle body by adopting coal.

2. The utility model discloses a arrange material pipe and first valve in the setting, be convenient for discharge the phosphorus of retrieving, through setting up scum pipe and second valve, be convenient for discharge the material of acid gas and alkali lye reaction output in the yellow phosphorus tail gas, through setting up filler pipe and third valve, conveniently carry out the water injection in first casing and the second casing, through setting up the observation window, be convenient for observe in first casing and the second casing the phosphorus of bottom recovery in time discharge through arranging the material pipe, through setting up liquid level window and scale mark, be convenient for observe the liquid level in first casing and the second casing, in time carry out the water injection through the filler pipe.

Drawings

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

FIG. 2 is a schematic view of a partial sectional view of an alkali wash tower and a water wash tower in front view according to the present invention;

fig. 3 is a front cross-sectional view of the first housing and the second housing of the present invention.

In the figure: 1 alkaline washing tower, 2 water scrubber, 3 yellow phosphorus tail gas boilers, 4 first casings, 5 second casings, 6 tail gas intake pipes, 7 water pumps, 8 feed liquor pipes, 9 return bends, 10 water spray plates, 11 first conveyer pipes, 12 second conveyer pipes, 13 outlet pipes, 14 inlet pipes, 15 first fans, 16 second fans, 17 connecting pipes, 18 first standpipe, 19L type pipes, 20 second standpipe, 21 exhaust pipes, 22 discharge pipes, 23 first valves, 24 discharge pipes, 25 second valves, 26 water adding pipes, 27 third valves.

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.

Referring to fig. 1-3, a yellow phosphorus tail gas purification power generation device comprises an alkaline washing tower 1, a water washing tower 2, a yellow phosphorus tail gas boiler 3, a first shell 4 and a second shell 5, wherein the left side of the alkaline washing tower 1 is fixedly communicated with a tail gas inlet pipe 6, the top of the left side of the alkaline washing tower 1 and the top of the right side of the water washing tower 2 are both fixedly connected with a water pump 7 through a support, the bottom of the water inlet pipe of the water pump 7 is fixedly communicated with a liquid inlet pipe 8, the top of the water outlet pipe of the water pump 7 is fixedly communicated with a bent pipe 9, one end of the bent pipe 9, which is far away from the water pump 7, respectively penetrates through the inner cavities of the alkaline washing tower 1 and the water washing tower 2 and is fixedly communicated with a water spray plate 10, the top of the alkaline washing tower 1 is fixedly connected with a first conveying pipe 11, one end of the first conveying pipe 11, which is far away from the alkaline washing tower 1, is fixedly communicated with the left side of the water washing tower 2, the top of the water washing tower 2 is fixedly communicated with a second conveying pipe 12, one end of the second conveying pipe 12, which is fixedly communicated with the left side of the yellow phosphorus tail gas boiler 3, an air outlet pipe 13 is fixedly communicated with the top of the yellow phosphorus tail gas boiler 3, a feeding pipe 14 is arranged in an inner cavity of the yellow phosphorus tail gas boiler 3, two ends of the feeding pipe 14 penetrate through the outer part of the yellow phosphorus tail gas boiler 3, a first fan 15 is fixedly connected to the left side of the top of the first shell 4 through a support, a second fan 16 is fixedly connected to the left side of the top of the second shell 5 through a support, a connecting pipe 17 is fixedly communicated with the left end of an air inlet pipe of the first fan 15, one end, away from the first fan 15, of the connecting pipe 17 is fixedly communicated with one end of the feeding pipe 14, one end, away from an air outlet pipe of the first fan 15 penetrates through the inner cavity of the first shell 4 and is fixedly communicated with a first vertical pipe 18, an L-shaped pipe 19 is fixedly communicated with the left end of an air inlet pipe of the second fan 16, one end, away from the second fan 16, of the L-shaped pipe 19 is fixedly communicated with the right side of the top of the first shell 4, one end, of the air outlet pipe of the second fan 16 penetrates through the inner cavity of the second shell 5 and is fixedly communicated with a second vertical pipe 20, an exhaust pipe 21 is fixedly communicated with the right side of the top of the second shell 5, the bottoms of the first shell 4 and the second shell 5 are fixedly communicated with a discharge pipe 22, a first valve 23 is arranged on the surface of the discharge pipe 22, the discharge pipe 22 and the first valve 23 are arranged to facilitate discharge of recovered phosphorus, the bottoms of the alkaline tower 1 and the water scrubber 2 are fixedly communicated with a slag discharge pipe 24, a second valve 25 is arranged on the surface of the slag discharge pipe 24 to facilitate discharge of substances produced by reaction of acid gas and alkali liquor in yellow phosphorus tail gas by arranging the slag discharge pipe 24 and the second valve 25, water adding pipes 26 are fixedly communicated with the right sides of the tops of the first shell 4 and the second shell 5, third valves 27 are arranged on the surfaces of the water adding pipes 26, water is conveniently injected into the first shell 4 and the second shell 5 by arranging the water adding pipes 26 and the third valves 27, first support legs are fixedly connected with the surfaces of the alkaline tower 1, the water scrubber 2 and the yellow phosphorus tail gas boiler 3, the surface of the first shell 4 and the surface of the second shell 5 are fixedly connected with second support legs, the front bottoms of the first shell 4 and the second shell 5 are fixedly connected with observation windows, the observation windows are convenient for observing the phosphorus recovered from the bottoms of the first shell 4 and the second shell 5 and discharging through the discharging pipe 22, the front sides of the first shell 4 and the second shell 5 are fixedly connected with liquid level windows, the scale marks are sprayed on the front sides of the liquid level windows, the liquid level in the first shell 4 and the liquid level in the second shell 5 are convenient to observe through the liquid level windows and the scale marks, water is injected through the water adding pipe 26 in time, and the water passes through the alkaline tower 1, the water washing tower 2, the yellow phosphorus tail gas boiler 3, the first shell 4, the second shell 5, the tail gas inlet pipe 6, the water pump 7, the liquid inlet pipe 8, the bent pipe 9, the water spraying plate 10, the first conveying pipe 11, the second conveying pipe 12, the air outlet pipe 13, the inlet pipe 14, the first fan 15, the second fan, the water outlet pipe 12, the water outlet pipe 14, the water outlet pipe, the water outlet pipe, the water pipe, and the water outlet pipe, the water outlet pipe, and the water outlet pipe, the water outlet pipe, the, The second fan 16, the connecting pipe 17, first standpipe 18, L type pipe 19, second standpipe 20 and blast pipe 21 cooperate, possess and can retrieve with the phosphorus sludge and combine together and environmental protection and energy saving's advantage, it can not retrieve with the phosphorus sludge to have solved current yellow phosphorus tail gas purification power generation facility and combine together, what the phosphorus sludge was retrieved adopts is to use bituminous coal or white coal as the heat source, the heating furnace is fixed heating furnace, it is slow to the phosphorus sludge heating in the heating furnace, the phosphorus steam that produces 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 the big and serious problem of pollution of cost of recovery.

When in use, the device is externally connected with a power supply and a controller through a lead, an air outlet pipe 13 is externally connected with a turbo generator set through a pipeline, liquid inlet pipes 8 on an alkali washing tower 1 and a water washing tower 2 are respectively externally connected with an alkali liquor supply device and a water supply device, the controller controls the operation of a water pump 7, yellow phosphorus tail gas is sent into the alkali washing tower 1 through a tail gas inlet pipe 6, alkali washing is carried out through alkali liquor sprayed from a water spray plate 10 in the alkali washing tower 1, the tail gas after alkali washing enters the water washing tower 2 through a first conveying pipe 11, water washing is carried out through water liquor sprayed from the water spray plate 10 in the water washing tower 2, the tail gas after alkali washing and water washing purification enters a yellow phosphorus tail gas boiler 3 through a second conveying pipe 12 for combustion, steam generated by the boiler in the combustion process is sent to a turbo generator set of a power station through an exhaust pipe 21 for power generation, phosphorus is added into a feed pipe 14, and a large amount of heat is generated due to combustion, the phosphorus in the phosphorus sludge is converted into phosphorus steam, the controller controls the operation of the first fan 15 and the second fan 16, the phosphorus steam is sequentially fed into the water in the first shell 4 through the connecting pipe 17 and the first vertical pipe 18 in the operation of the first fan 15 and is cooled into yellow phosphorus elementary substance solid, the steam emitted from the water in the first shell 4 sequentially passes through the L-shaped pipe 19 and the second conveying pipe 12 in the operation of the second fan 16 and is fed into the water in the second shell 5, the uncooled phosphorus steam is secondarily cooled into the yellow phosphorus elementary substance solid, the tail gas of the yellow phosphorus furnace is fully utilized for purification and power generation, and the environment protection and energy saving are achieved.

All kinds of parts used in the application document are standard parts and can be purchased from the market, the specific connection mode of all parts adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the conventional models in the prior art are adopted for machinery, parts and electrical equipment, the conventional connection mode in the prior art is adopted for circuit connection, and detailed description is not given here.

In summary, the following steps: the yellow phosphorus tail gas purification power generation device solves the problem that the existing yellow phosphorus tail gas purification power generation device cannot be combined with sludge phosphorus recovery by matching an alkaline washing tower 1, a water washing tower 2, a yellow phosphorus tail gas boiler 3, a first shell 4, a second shell 5, a tail gas inlet pipe 6, a water pump 7, a liquid inlet pipe 8, a bent pipe 9, a water spray plate 10, a first conveying pipe 11, a second conveying pipe 12, a gas outlet pipe 13, a feeding pipe 14, a first fan 15, a second fan 16, a connecting pipe 17, a first vertical pipe 18, an L-shaped pipe 19, a second vertical pipe 20 and an exhaust pipe 21, the sludge phosphorus recovery adopts bituminous coal or white coal as a heat source, a 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 problems of high recovery cost and serious pollution are caused by heating the kettle body by adopting coal.

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

1. The utility model provides a yellow phosphorus tail gas purifies power generation facility, includes caustic wash tower (1), water scrubber (2), yellow phosphorus tail gas boiler (3), first casing (4) and second casing (5), its characterized in that: the fixed intercommunication in left side of alkaline tower (1) has tail gas intake pipe (6), the top on alkaline tower (1) left top and scrubbing tower (2) right side all is through support fixedly connected with water pump (7), the fixed intercommunication in bottom of water pump (7) inlet tube has feed liquor pipe (8), the fixed intercommunication in top of water pump (7) outlet pipe has return bend (9), the one end that water pump (7) were kept away from in return bend (9) runs through the inner chamber and the fixed intercommunication of scrubbing tower (1) and scrubbing tower (2) respectively has spray plate (10), the first conveyer pipe of top fixedly connected with (11) of alkaline tower (1), the one end that alkaline tower (1) was kept away from in first conveyer pipe (11) and the fixed intercommunication in left side of scrubbing tower (2), the fixed intercommunication in top of scrubbing tower (2) has second conveyer pipe (12), the one end that scrubbing tower (2) was kept away from in second conveyer pipe (12) and the fixed intercommunication in left side of yellow phosphorus tail gas boiler (3) are fixed The top of the yellow phosphorus tail gas boiler (3) is fixedly communicated with an air outlet pipe (13), an inner cavity of the yellow phosphorus tail gas boiler (3) is provided with an inlet pipe (14), two ends of the inlet pipe (14) penetrate through the outer part of the yellow phosphorus tail gas boiler (3), the left side of the top of the first shell (4) is fixedly connected with a first fan (15) through a support, the left side of the top of the second shell (5) is fixedly connected with a second fan (16) through a support, the left end of an air inlet pipe of the first fan (15) is fixedly communicated with a connecting pipe (17), one end, far away from the first fan (15), of the connecting pipe (17) is fixedly communicated with one end of the inlet pipe (14), one end of an air outlet pipe of the first fan (15) penetrates through the inner cavity of the first shell (4) and is fixedly communicated with a first vertical pipe (18), and the left end of the air inlet pipe of the second fan (16) is fixedly communicated with an L-shaped pipe (19), one end, far away from the second fan (16), of the L-shaped pipe (19) is fixedly communicated with the right side of the top of the first shell (4), one end of the air outlet pipe of the second fan (16) penetrates through an inner cavity of the second shell (5) and is fixedly communicated with a second vertical pipe (20), and the right side of the top of the second shell (5) is fixedly communicated with an exhaust pipe (21).

2. The yellow phosphorus tail gas purification and power generation device according to claim 1, characterized in that: the bottom of first casing (4) and second casing (5) all is fixed the intercommunication has row material pipe (22), arrange the surface of material pipe (22) and be provided with first valve (23).

3. The yellow phosphorus tail gas purification and power generation device according to claim 1, characterized in that: the bottoms of the alkaline tower (1) and the water scrubber (2) are fixedly communicated with a deslagging pipe (24), and a second valve (25) is arranged on the surface of the deslagging pipe (24).

4. The yellow phosphorus tail gas purification and power generation device according to claim 1, characterized in that: the right sides of the tops of the first shell (4) and the second shell (5) are fixedly communicated with a water adding pipe (26), and a third valve (27) is arranged on the surface of the water adding pipe (26).

5. The yellow phosphorus tail gas purification and power generation device according to claim 1, characterized in that: the equal fixedly connected with in surface of caustic wash tower (1), scrubbing tower (2) and yellow phosphorus tail gas boiler (3) has first landing leg, the equal fixedly connected with second landing leg in surface of first casing (4) and second casing (5), the equal fixedly connected with observation window in positive bottom of first casing (4) and second casing (5).

6. The yellow phosphorus tail gas purification and power generation device according to claim 1, characterized in that: the front surfaces of the first shell (4) and the second shell (5) are fixedly connected with liquid level windows, and the scale marks are sprayed on the front surfaces of the liquid level windows.