Yellow phosphorus slag crushing water vapor recovery device

By using high-temperature exhaust gas to transpire the moisture of the slag in the production process of yellow phosphorus slag, and recycling through condensation towers, the energy waste and high production costs caused by water recovery methods in the existing technology are solved, and the effective utilization of energy and water resources is achieved.

CN222911613UActive Publication Date: 2025-05-27LEIBO KAIRUI PHOSPHORUS CHEM CO LTD
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Patent Information

Application Number
CN202421889507.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-05-27
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

During the yellow phosphorus production process, the existing water recycling methods are heated by electric or open flame, resulting in energy waste and high production costs, and are not suitable for the recycling of yellow phosphorus slag moisture.

Method used

A yellow phosphorus slag pure slag water vapor recovery device is designed, and the high-temperature exhaust gas processing yellow phosphorus is used to transpire the moisture of the pure slag in the heating box, and then recycle and reuse it through the condensation tower.

Benefits of technology

It realizes energy recycling and reuse, reduces production costs, and effectively saves water resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a yellow phosphorus slag crushing water vapor recovery device which comprises a heating box, a condensing tower and a water storage assembly, the condensing tower is arranged above the heating box and communicated with the heating box, and the water storage assembly is communicated with the condensing tower; an air inlet and an air outlet are formed in the two sides of the lower portion of the heating box respectively, a slag storage assembly is arranged in the heating box, and a baffle is hinged to the heating box and arranged on one side of the slag storage assembly; a condensing assembly is arranged in the condensing tower and is used for recycling water vapor of the crushed slag; the gas inlet and the gas outlet are formed in the two sides of the heating box, the slag storage assembly is arranged in the heating box, the crushed slag is stacked in the slag storage assembly, high-temperature tail gas generated by yellow phosphorus processing is used for conducting high-temperature transpiration on moisture of the crushed slag, and finally condensed water vapor is recycled through the condensing tower and stored in the water storage assembly for standby application; and the heating box can utilize high-temperature tail gas generated during yellow phosphorus processing to heat so as to evaporate water vapor, so that energy recycling is realized, and the production cost is reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of yellow phosphorus slag treatment, and in particular relates to a yellow phosphorus slag slag water vapor recovery device. Background Art

[0002] During the yellow phosphorus production process, the molten phosphorus slag is discharged from the furnace and needs to be cooled by water quenching. The molten phosphorus slag is quenched in the slag ditch with slag flushing water, and then the phosphorus slag is separated from the water by a dehydrator, thereby achieving the purpose of separating the quenched slag from the slag water. Water vapor is generated after the slag is quenched, which is usually extracted by an induced draft fan and then discharged in an organized manner. The production water consumed by the slag quenching accounts for a large proportion.

[0003] Therefore, it is necessary to recycle the water content of the slag after quenching, which can reduce the consumption of production water in the yellow phosphorus production process and save water resources. Currently, most of the existing water recovery methods are to recycle water vapor by electric heating or open flame heating. The existing heating process will cause secondary waste of energy and high production cost, which is not suitable for the recovery of water content of yellow phosphorus slag. Utility Model Content

[0004] The utility model aims to provide a yellow phosphorus slag slag water vapor recovery device, by arranging air inlets and air outlets on both sides of a heating box, the high-temperature tail gas from processing yellow phosphorus can be used to evaporate the water content of the slag at high temperature, and then the water content can be recovered and reused by using a condensation tower.

[0005] The utility model is realized by the following technical solutions:

[0006] A device for recovering water vapor from yellow phosphorus slag slag, comprising a heating box, a condensing tower and a water storage component, wherein the condensing tower is arranged above the heating box, the condensing tower is communicated with the heating box, and the water storage component is communicated with the condensing tower; an air inlet and an air outlet are respectively arranged on the left and right sides below the heating box, a slag storage component is arranged in the heating box, the slag storage component is used to place the slag, a baffle is hinged on the heating box, and the baffle is arranged on one side of the slag storage component; a condensing component is arranged in the condensing tower, and the condensing component is used to recover water vapor from the slag.

[0007] Furthermore, the slag storage assembly includes a group of support members and a sliding box, wherein a group of support members are respectively arranged on the inner walls on the left and right sides of the heating box, the support members include a supporting portion and a limiting portion, the supporting portion is an L-shaped structure, one side of the supporting portion is connected to the inner wall of the heating box, and the other side of the supporting portion is protruding in the heating box and parallel to the bottom of the heating box, and the limiting portion is arranged on the protruding supporting portion; the sliding box has an opening structure above, the sliding box cooperates with the supporting portion and slides on the supporting portion, and the width of the sliding box cooperates with the spacing between the limiting portions on the left and right sides.

[0008] Furthermore, a plurality of through holes are provided on one side of the support portion that is protruding from the heating box.

[0009] Furthermore, a plurality of circular holes are arranged on the side wall and the bottom of the sliding box, and a steel wire mesh is arranged at the circular opening.

[0010] Furthermore, the condensation component includes a condensation hood, a cooling pipe and a water collecting tank. The condensation hood is a cylindrical structure with a hemispherical structure at its end. The cooling pipe is wound around the condensation hood, and coolant is contained in the cooling pipe. A connecting piece is provided on one side of the condensation hood, and the connecting piece is connected to the inner wall of the condensation tower. The edge of the condensation hood is spaced apart from the inner wall of the condensation tower. The water collecting tank is an annular groove structure, and the water collecting tank is provided below the condensation hood. The width of the groove on the water collecting tank is greater than the distance between the condensation hood and the inner wall of the condensation tower. A water outlet is provided on the side wall of the condensation tower, and the water outlet is provided at the position of the water collecting tank.

[0011] Furthermore, the water collecting tank is arranged obliquely on the inner wall of the condensation tower, and the water outlet hole is arranged at a position on a side of the water collecting tank that is inclined downward.

[0012] Furthermore, a tower cap is arranged on the top of the condensation tower, and the tower cap is a conical structure. The tower cap and the condensation tower are arranged at a distance, and two connecting rods are arranged between the tower cap and the condensation tower.

[0013] Furthermore, the water storage assembly includes a filter and a water storage tank, the filter is arranged between the water storage tank and the condensation tower, and the filter is connected to the water outlet of the condensation tower through a hose.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] 1) In the utility model, an air inlet and an air outlet are arranged on both sides of the heating box, a slag storage component is arranged in the heating box, and the slag is piled in the slag storage component. The high-temperature tail gas generated when processing yellow phosphorus is used to evaporate the moisture of the slag at high temperature, and finally the condensed water vapor is recovered through a condensation tower and stored in the water storage component for standby use; the heating box can utilize the high-temperature tail gas generated when processing yellow phosphorus to heat and evaporate the water vapor, thereby realizing energy recovery and reuse, thereby reducing production costs.

[0016] 2) In the utility model, a condensation assembly is arranged in the condensation tower, and the condensation assembly includes a condensation hood, a cooling pipe and a water collecting tank. The cooling pipe is wound on the condensation hood and can condense and collect the evaporated water vapor. The water collecting tank is arranged below the condensation hood. The width of the groove on the water collecting tank is greater than the distance between the condensation hood and the inner wall of the condensation tower, so that the condensed water flowing down the inner wall of the condensation hood can be collected for recycling. The structure is simple and the processing and manufacturing cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of the yellow phosphorus slag slag water vapor recovery device.

[0019] Figure 2 It is a schematic diagram of the internal structure of the heating box in the yellow phosphorus slag slag water vapor recovery device of the utility model.

[0020] Among them: 1-heating box, 11-air inlet, 12-air outlet, 13-baffle, 3-support, 31-support part, 32-limiting part, 33-through hole, 4-sliding box, 41-round hole, 5-condensation tower, 51-tower cap, 6-condensation cover, 61-connecting piece, 7-cooling pipe, 8-water collecting tank, 9-filter, 10-water storage tank. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0022] Embodiment 1:

[0023] The main structure of this embodiment is a yellow phosphorus slag slag water vapor recovery device, such as Figure 1 and Figure 2As shown, it includes a heating box 1, a condensing tower 5 and a water storage component. The condensing tower 5 is arranged above the heating box 1, the condensing tower 5 is connected to the heating box 1, and the water storage component is connected to the condensing tower 5. The heating box 1 is a box structure, and the left and right sides below the heating box 1 are respectively provided with an air inlet 11 and an air outlet 12. The heating box 1 is provided with a slag storage component, and the slag storage component is arranged above the middle of the heating box 1. The air inlet 11 and the air outlet 12 are used to circulate high-temperature exhaust gas. The temperature of the high-temperature exhaust gas can be as high as 260-300°C, which can dry the slag in the slag storage component at high temperature, so that the water inside it evaporates and enters the condensing tower 5 to be condensed and recovered. ; The slag storage assembly is used to place the slag, and a baffle 13 is hinged on the heating box 1. The baffle 13 is arranged on one side of the slag storage assembly. The baffle 13 can be opened to pull out the sliding box 4 in the slag storage assembly, which is convenient for replacing the slag; a condensation assembly is arranged in the condensation tower 5, and the condensation assembly is used to recover the water vapor of the slag. The condensation assembly is arranged in the middle of the condensation tower 5; the water storage assembly includes a filter 9 and a water storage tank 10, and the filter 9 is arranged between the water storage tank 10 and the condensation tower 5. The filter 9 is connected to the water outlet of the condensation tower 5 through a hose. The filter 9 is used to filter the collected condensed water, and the filtered condensed water enters the water storage tank 10 for storage for standby;

[0024] The slag storage assembly includes a group of support members 3 and a sliding box 4. A group of support members 3 are respectively arranged on the inner walls on the left and right sides of the heating box 1. The support members 3 are arranged at intervals. The sliding box 4 is arranged between the support members 3. The bottom edge of the sliding box 4 abuts against the support member 3 and can slide on its upper surface. The support member 3 includes a supporting portion 31 and a limiting portion 32. The supporting portion 31 is an L-shaped structure. One side of the supporting portion 31 is connected to the inner wall of the heating box 1, and the other side of the supporting portion 31 is protruded in the heating box 1 and parallel to the bottom of the heating box 1. The limiting portion 32 is arranged on the protruding supporting portion 31, and the limiting portion 32 is welded to the supporting portion 31; the sliding box 4 has an opening above it. Structure, the sliding box 4 cooperates with the supporting part 31 and slides on the supporting part 31, the width of the sliding box 4 cooperates with the spacing between the limiting parts 32 on the left and right sides thereof, and the sliding box 4 is arranged between the two limiting parts 32; a plurality of through holes 33 are arranged on the supporting part 31 at the position of the limiting part 32 and the inner wall of the heating box 1; a plurality of circular holes 41 are arranged on the side wall and the bottom of the sliding box 4, and the diameter of the circular hole 41 is larger than the diameter of the slag, so that the high-temperature exhaust gas can enter the slag to evaporate the internal moisture. At the same time, it is necessary to prevent the slag from falling from the circular hole 41, and a wire mesh is arranged at the position of the circular hole 41 to prevent the slag from falling from the circular hole 41 to the outside of the sliding box 4.

[0025] Embodiment 2:

[0026] On the basis of the above embodiments, the present embodiment further defines a condensation component, which includes a condensation hood 6, a cooling pipe 7 and a water collecting tank 8. The condensation hood 6 is a cylindrical structure with an opening at the lower end and a hemispherical structure at the upper end, which can gather and guide water vapor. The cooling pipe 7 is wound around the condensation hood 6, and a coolant is contained in the cooling pipe 7. The cooling pipe 7 can cool the condensation hood 6, so that water vapor can gather on the condensation hood 6 and flow into the water collecting tank 8; a connector 61 is provided on one side of the condensation hood 6, and the connector 61 is fixed to the inner wall of the condensation tower 5 by bolts, and the edge of the condensation hood 6 is spaced apart from the inner wall of the condensation tower 5; the water collecting tank 8 is an annular groove structure, and the water collecting tank 8 is provided on the condensation hood 6, the width of the groove on the water collecting tank 8 is greater than the distance between the condensation hood 6 and the inner wall of the condensation tower 5, and the condensation water flowing down from the condensation hood 6 can be received; a water outlet is provided on the side wall of the condensation tower 5, and the water outlet is provided at the position where the water collecting tank 8 is located; the water collecting tank 8 is inclined on the inner wall of the condensation tower 5, and the inclination angle of the water collecting tank 8 relative to the horizontal plane is 10°. The water outlet is provided at a position on the side of the water collecting tank 8 that is inclined downward, so that the condensation water can flow into the filter 9; a tower cap 51 is provided on the top of the condensation tower 5, and the tower cap 51 is a conical structure. The tower cap 51 is spaced apart from the condensation tower 5, and two connecting rods are provided between the tower cap 51 and the condensation tower 5, and the connecting rods fix the tower cap 51 to the top of the condensation tower 5. The other parts of this embodiment are the same as the above embodiment, and will not be repeated here.

[0027] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0028] In addition, if the terms "horizontal" or "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A yellow phosphorus slag slag water vapor recovery device, characterized in that: It includes a heating box, a condensing tower and a water storage component, the condensing tower is arranged above the heating box, the condensing tower is connected to the heating box, and the water storage component is connected to the condensing tower; an air inlet and an air outlet are respectively arranged on the left and right sides below the heating box, a slag storage component is arranged in the heating box, the slag storage component is used to place the slag, a baffle is hinged on the heating box, and the baffle is arranged on one side of the slag storage component; a condensing component is arranged in the condensing tower, and the condensing component is used to recover water vapor from the slag.

2. The yellow phosphorus slag slag water vapor recovery device as claimed in claim 1, characterized in that: The slag storage assembly includes a group of support members and a sliding box, wherein a group of support members are respectively arranged on the inner walls on the left and right sides of the heating box, the support members include a supporting portion and a limiting portion, the supporting portion is an L-shaped structure, one side of the supporting portion is connected to the inner wall of the heating box, and the other side of the supporting portion is protruding in the heating box and parallel to the bottom of the heating box, and the limiting portion is arranged on the protruding supporting portion; the sliding box has an opening structure above, the sliding box cooperates with the supporting portion and slides on the supporting portion, and the width of the sliding box cooperates with the spacing between the limiting portions on the left and right sides.

3. The yellow phosphorus slag slag water vapor recovery device as claimed in claim 2, characterized in that: A plurality of through holes are arranged on one side of the support portion that is protruding from the heating box.

4. The yellow phosphorus slag slag water vapor recovery device as claimed in claim 2, characterized in that: The side wall and the bottom of the sliding box are provided with a plurality of circular holes, and a steel wire mesh is provided at the circular opening.

5. The yellow phosphorus slag slag water vapor recovery device as claimed in claim 1, characterized in that: The condensation assembly includes a condensation hood, a cooling pipe and a water collecting tank. The condensation hood is a cylindrical structure with a hemispherical structure at its end. The cooling pipe is wound around the condensation hood and is filled with coolant. A connecting piece is provided on one side of the condensation hood, and the connecting piece is connected to the inner wall of the condensation tower. The edge of the condensation hood is spaced apart from the inner wall of the condensation tower. The water collecting tank is an annular groove structure, and the water collecting tank is provided below the condensation hood. The width of the groove on the water collecting tank is greater than the distance between the condensation hood and the inner wall of the condensation tower. A water outlet is provided on the side wall of the condensation tower, and the water outlet is provided at the position of the water collecting tank.

6. The yellow phosphorus slag slag water vapor recovery device as claimed in claim 5, characterized in that: The water collecting tank is arranged obliquely on the inner wall of the condensation tower, and the water outlet is arranged at a position on a side of the water collecting tank which is inclined downward.

7. The yellow phosphorus slag slag water vapor recovery device as claimed in claim 5, characterized in that: A tower cap is arranged on the top of the condensation tower. The tower cap is a conical structure. The tower cap is spaced apart from the condensation tower. Two connecting rods are arranged between the tower cap and the condensation tower.

8. The yellow phosphorus slag slag water vapor recovery device as claimed in claim 1, characterized in that: The water storage assembly comprises a filter and a water storage tank. The filter is arranged between the water storage tank and the condensation tower. The filter is connected to the water outlet of the condensation tower through a hose.