CN217489829U

CN217489829U - Sulphur foam separator

Info

Publication number: CN217489829U
Application number: CN202220372108.3U
Authority: CN
Inventors: 张树友; 洪洋; 李峰; 王俊岭; 王军平; 任玉琴
Original assignee: Tianjin Iron Works Co ltd
Current assignee: Tianjin Iron Works Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-09-27
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a sulfur foam separation device, belonging to the technical field of desulphurization and decyanation of coke oven gas, comprising a foam separation tank and a foam storage tank; the foam separation tank is positioned on the upper surface of the foam storage tank; the top of the foam separation tank is provided with a sulfur foam inlet, a full-flow observation hole, a dispersion port and a first maintenance manhole; an overflow weir is arranged on the foam separation tank, and a liquid level regulator and an air pressure air inlet straight pipe are arranged at the top of the foam separation tank; the top of the foam separation groove is provided with a first vent; the side wall of the top of the foam separation tank is provided with a foam outlet, a first full flow port and a clear liquid outlet; a bubbling device is arranged in the foam separation tank; a sulfur paste inlet and a full flow port are formed in the side wall of the top of the foam storage tank; a liquid level meter reserved opening, a sulfur paste outlet and a second maintenance manhole are arranged on the side wall of the bottom of the foam storage tank; a second vent; a stirring device is arranged in the foam storage tank. The application has the advantages that the moisture content of sulfur paste after sulfur foam separation is not higher than 20%, the suspended sulfur content of clear liquid is lower than 10%, and the separation effect is good.

Description

Sulphur foam separator

Technical Field

The utility model belongs to the technical field of coke oven gas desulfurization decyanation, concretely relates to sulphur foam separator.

Background

At present, sulfur foam generated by a coke oven gas desulfurization and decyanation process firstly enters a foam tank, and then is directly sent to a sulfur melting procedure to produce sulfur through full flow or a pump or is pressed and filtered by a filter press to produce sulfur paste, or the sulfur foam is simply separated for the second time through a foam separation tank. The sulfur foam treated by the method has the problems of large clear liquid content, high steam consumption during sulfur melting, large amount of high-temperature waste liquid, large clear liquid separation amount during filter pressing, high power consumption and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sulfur foam separating device for solving the technical problem existing in the prior art, the moisture content of sulfur paste after the sulfur foam is separated by the sulfur foam separating device is not higher than 20%, the suspension sulfur of the clear liquid is lower than 10%, and the separating effect is better.

The utility model aims at providing a sulfur foam separation device, which at least comprises a foam separation tank and a foam storage tank; wherein:

the foam separation tank is positioned on the upper surface of the foam storage tank; the top of the foam separation tank is provided with a sulfur foam inlet, a full-flow observation hole, a dispersion port and a first maintenance manhole; an overflow weir is arranged on the foam separation tank, and a liquid level regulator and an air pressure air inlet straight pipe are arranged at the top of the foam separation tank; a first vent hole is formed in the top of the foam separation groove; the side wall of the top of the foam separation tank is provided with a foam outlet, a first full flow port and a clear liquid outlet; a bubbling device is arranged in the foam separation tank;

a sulfur paste inlet and a full flow port are formed in the side wall of the top of the foam storage tank; a liquid level meter reserved opening, a sulfur paste outlet and a second maintenance manhole are arranged on the side wall of the bottom of the foam storage tank; a second vent; and a stirring device is arranged in the foam storage tank.

Preferably, the liquid level regulator consists of an upper cylinder, a lower cylinder, an inner cylinder, an adjusting screw rod, a screw rod turn buckle and an adjusting hand wheel; wherein: the upper barrel comprises an upper cavity section connected with the top cover of the foam separation groove and a lower cavity section connected with the lower barrel and the inner barrel in an inserting mode, the upper cavity section is connected with the top cover of the foam separation groove through a screw rod screwing buckle, the inner diameter of the upper cavity section is larger than the outer diameter of the lower cavity section, the top of the adjusting screw rod is connected with an adjusting hand wheel, and the lower end of the adjusting screw rod is inserted into the upper cavity section from top to bottom and is connected with the top of the inner barrel.

Preferably, the stirring device consists of a stirring paddle, a motor and a speed reducer; the motor is connected with the stirring paddle through a speed reducer.

Preferably, the bubbling device comprises an air pressure air inlet straight pipe, an elbow pipe and air pressure air outlet holes, wherein the inlet straight pipe is communicated with the elbow pipe, and the air pressure air outlet holes are uniformly distributed on the elbow pipe.

Preferably, the inlet straight pipe is welded to the elbow pipe.

Preferably, the elbow is circular or square.

Preferably, the overflow weir is arranged on the outer wall of the foam separation tank.

The utility model has the advantages and positive effects that:

compared with the traditional separation method, the utility model has the advantages that the overflow weir is arranged in a round or square shape, the foam overflow area is large, and the foam liquid level and the thickness are easy to adjust; the liquid level regulator is convenient to regulate and simple to operate; a large amount of bubbles are blown into the bubbling device, which is beneficial to the separation of sulfur foam in the clear liquid and reduces the content of suspended sulfur in the clear liquid.

The foam tank is provided with a stirring device, the kinematic viscosity of the sulfur paste is reduced through stirring, the fluidity is improved, and the next step of sulfur paste conveying is facilitated.

Drawings

FIG. 1 is a block diagram of a preferred embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a sectional view taken along line B-B of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a block diagram of the fluid level regulator of FIG. 1;

wherein: 1. a foam separation tank; 2. a foam storage tank; 3. a sulfur foam inlet; 4. an overflow weir; 5. a full flow sight glass; 6. a liquid level regulator; 7. a foam outlet; 8. a bubbling device; 9. a first vent; 10. a dispensing opening; 11. a first full flow port; 12. A first service manhole; 13. a clear liquid outlet; 14. a sulfur paste inlet, 15, and a stirring device; 16. a liquid level meter reserved opening; 17. a sulfur paste outlet; 18. a second service manhole; 19. a second full flow port; 20. a second vent; 21. an upper cylinder body; 22. a lower cylinder body; 23. an inner cylinder; 24. adjusting the lead screw; 25. screwing the lead screw; 26. adjusting a hand wheel; 27. an air pressure air inlet straight pipe; 28. bending a pipe; 29. an air pressure air outlet hole; 30. a stirring paddle; 31. a motor; 32. and a speed reducer.

Detailed Description

For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1 to 5.

A sulfur foam separation device comprising: an upper foam separation tank 1 and a lower foam storage tank 2; the foam separation tank 1 is positioned on the upper surface of the foam storage tank 2; wherein:

the top of the foam separation tank 1 is provided with a sulfur foam inlet 3, a full-flow observation hole 5, a bleeding hole 10 and a first maintenance manhole 12; an overflow weir 4 is arranged on the foam separation tank 1, and a liquid level regulator 6 and an air pressure air inlet straight pipe 27 are arranged at the top of the foam separation tank 1; the top of the foam separation tank 1 is provided with a first vent hole 9; the side wall of the top of the foam separation tank 1 is provided with a foam outlet 7, a first full flow port 11 and a clear liquid outlet 13; a bubbling device 8 is arranged in the foam separation tank 1; the bubbling device 8 is implemented in a plurality of ways, and in the preferred embodiment, the bubbling device 8 is composed of a straight compressed air inlet pipe 27, an elbow pipe 28, and compressed air outlet holes 29, the straight inlet pipe 27 is communicated with the elbow pipe 28, and the compressed air outlet holes 29 are uniformly distributed on the elbow pipe 28.

The side wall of the top of the foam storage tank 2 is provided with a sulfur paste inlet 14 and a full flow port 19; a liquid level meter reserved opening 16, a sulfur paste outlet 17 and a second maintenance manhole 18 are arranged on the side wall of the bottom of the foam storage tank 2; a second vent 20; and a stirring device 15 is arranged in the foam storage tank 2. The stirring device 15 is implemented in many ways, and in the preferred embodiment, the stirring device 15 is composed of a stirring paddle 30, a motor 31 and a speed reducer 32; the motor 31 is connected with the stirring paddle 30 through a speed reducer 32;

preferably, the liquid level regulator 6 consists of an upper cylinder 21, a lower cylinder 22, an inner cylinder 23, a regulating screw 24, a screw turn buckle 25 and a regulating hand wheel 26; wherein: go up barrel 21 include with foam separating tank 1 top cap connected last chamber section, with the lower chamber section of barrel 22 and interior barrel 23 grafting down, go up the chamber section and detain 25 and foam separating tank 1 top cap connection through the lead screw soon, the internal diameter of going up the chamber section is greater than the external diameter of lower chamber section, the top and the adjusting handle 26 of adjusting lead screw 24 are connected, the lower extreme top-down of adjusting lead screw 24 inserts in the last chamber section and is connected with the top of interior barrel 23.

For a secure connection, the straight inlet pipe 27 is welded to the bent pipe 28.

The bent pipe 28 is circular or square. Fig. 3 shows a circular ring shape.

The overflow weir 4 is arranged on the outer wall of the foam separation tank 1.

In the preferred embodiment described above: the device mainly comprises an upper foam separation tank 1 and a lower foam storage tank 2. The foam separation tank is provided with a sulfur foam inlet 3, an overflow weir 4, a full-flow observation hole 5, a liquid level regulator 6, a foam outlet 7, a bubbling device 8, a first vent 9, a diffusing port 10, a full-flow port 11, a first maintenance manhole 12 and a clear liquid outlet 13.

The foam tank is provided with a sulfur paste inlet 14, a stirring device 15, a liquid level meter reserved port 16, a sulfur paste outlet 17, a second maintenance manhole 18, a full flow port 19 and a second emptying port 20.

The tank body and the accessory facilities are all welded by stainless steel materials. The foam inlet pipe of the separation tank is a lower insertion pipe, and the distance between the lower opening of the pipe and the bottom plate of the separation tank is not less than 800 mm. The overflow weir is formed by welding a bottom plate and a side wall, the bottom plate is directly welded on the wall of the separation tank, the side wall is welded on the bottom plate, the overflow bottom plate has a certain gradient and is close to a foam outlet to be at the lowest position, and sulfur foam flow is facilitated. The upper edges of the side walls are kept at the same horizontal plane. The full flow observation hole is positioned above the foam outlet of the overflow groove. The liquid level regulator comprises last barrel 21, lower barrel 22, interior barrel 23, regulation lead screw 24, lead screw spiral shell 25, adjusting hand wheel 26, and upper and lower barrel welded connection, interior barrel end opening apart from the tank bottom plate distance be not more than 500mm, separating tank foam outlet 7, unloading 9, full flow mouth 11, maintenance manhole 12, clear solution export 13 comprise nozzle stub and flange, and the nozzle stub welding is on the cell body outer wall. The bubbling device consists of an air pressure air inlet straight pipe 27, a circular bent pipe 28 and air pressure air outlet holes 29, wherein the inlet straight pipe is welded on the bent pipe, and the air pressure air outlet holes are uniformly distributed above the bent pipe.

The foam tank sulfur paste inlet 14, the liquid level meter reserved port 16, the sulfur paste outlet 17, the inspection manhole 18, the full flow port 19 and the vent 20 are formed by welding a straight pipe section and a flange. The stirring device is composed of a stirring paddle 30, a motor 31 and a speed reducer 32. The motor is connected with a speed reducer, and the speed reducer is connected with a stirring paddle.

The sulfur foam outlet 7 of the separation tank is directly connected with the sulfur paste inlet 14 of the foam tank by a pipeline.

The utility model discloses a theory of operation does:

the sulfur foam enters the middle-lower portion of the foam separation tank 1 through the sulfur foam inlet 3. Air pressure air is blown in by the bubbling device 8, fine and dense small bubbles are uniformly blown out through the air pressure air inlet straight pipe 27, the circular bent pipe 28 and the air pressure air outlet hole 29, sulfur particles in the sulfur foam are separated from clear liquid under the action of the small bubbles, and the sulfur particles are gathered into sulfur paste, overflowed and collected through the overflow weir 4, and then enter the lower foam storage tank 2 through the foam outlet 7. The clear liquid is led out through the liquid level regulator 6 and the clear liquid outlet 13. The liquid level of the foam separation tank 1 can be controlled by adjusting the height of the inner cylinder 23 by rotating the adjusting hand wheel 26, and the full flow condition is controlled. When the foam separation tank overflows in the event state, the sulfur foam can flow to the spare underground tank through the overflow port 11. When the foam separation tank 1 is overhauled, the first emptying port 9 can empty liquid and then the liquid is overhauled through the overhauling manhole 12. The full flow condition can be observed through the full flow observation hole 5 by an operator for adjustment.

The sulfur paste from the foam separation tank 1 enters the foam storage tank 2 through the sulfur paste inlet 14 and enters a corresponding pump or container through the sulfur paste outlet 17. The bottom of the foam storage tank 2 is provided with a stirring device 15, and the fluidity of the sulfur paste is improved and the viscosity of the sulfur paste is reduced by stirring. The stirring device 15 is composed of a stirring paddle 30, a motor 31 and a speed reducer 32. When the foam storage tank is full in a fault state, the sulfur paste can flow to the spare underground tank through the full flow port 19. When the sulfur paste storage tank 2 is overhauled, liquid can be emptied through the emptying port 20 and then overhauled through the overhauling manhole 18. The liquid level meter reserved opening 16 can be provided with a liquid level display device, and operation is convenient.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. A sulfur foam separation device, which is characterized by at least comprising a foam separation tank (1) and a foam storage tank (2); wherein:

the foam separation tank (1) is positioned on the upper surface of the foam storage tank (2); the top of the foam separation tank (1) is provided with a sulfur foam inlet (3), a full-flow observation hole (5), a diffusing port (10) and a first maintenance manhole (12); an overflow weir (4) is arranged on the foam separation tank (1), and a liquid level regulator (6) and an air pressure air inlet straight pipe (27) are arranged at the top of the foam separation tank (1); the top of the foam separation tank (1) is provided with a first vent (9); the side wall of the top of the foam separation tank (1) is provided with a foam outlet (7), a first full flow port (11) and a clear liquid outlet (13); a bubbling device (8) is arranged in the foam separation tank (1);

a sulfur paste inlet (14) and a full flow port (19) are formed in the side wall of the top of the foam storage tank (2); a liquid level meter reserved opening (16), a sulfur paste outlet (17) and a second maintenance manhole (18) are arranged on the side wall of the bottom of the foam storage tank (2); a second vent (20); and a stirring device (15) is arranged in the foam storage tank (2).

2. The sulfur foam separation device according to claim 1, wherein the liquid level regulator (6) is composed of an upper cylinder (21), a lower cylinder (22), an inner cylinder (23), an adjusting screw rod (24), a screw rod turn buckle (25) and an adjusting hand wheel (26); wherein: go up barrel (21) including the last chamber section of being connected with foam separating tank (1) top cap, with the lower chamber section of barrel (22) and interior barrel (23) grafting down, go up the chamber section and detain (25) and be connected with foam separating tank (1) top cap soon through the lead screw, the internal diameter of going up the chamber section is greater than the external diameter of lower chamber section, the top and the adjusting handle wheel (26) of adjusting lead screw (24) are connected, the lower extreme top-down of adjusting lead screw (24) inserts in the last chamber section and is connected with the top of interior barrel (23).

3. A sulfur foam separation device according to claim 1, characterized in that the stirring device (15) is composed of a stirring paddle (30), a motor (31), a speed reducer (32); the motor (31) is connected with the stirring paddle (30) through a speed reducer (32).

4. A sulfur foam separation apparatus according to claim 1, wherein said bubbling means is composed of a straight air inlet pipe (27), a bent pipe (28) and air outlet holes (29), said straight inlet pipe (27) is communicated with said bent pipe (28), and said air outlet holes (29) are uniformly distributed on said bent pipe (28).

5. A sulfur foam separation device according to claim 4, wherein said straight inlet pipe (27) is welded to a bent pipe (28).

6. A sulfur foam separation device according to claim 4, wherein said elbow (28) is circular or square.

7. A sulfur foam separation device according to claim 1, wherein said overflow weir (4) is provided at the outer wall of the foam separation tank (1).