CN210764324U

CN210764324U - Clean desulfurization extraction element in coking operation sulfur melting workshop

Info

Publication number: CN210764324U
Application number: CN201921057641.5U
Authority: CN
Inventors: 赵引德
Original assignee: Langfang Jin Sheng Energy Saving Technology Service Co ltd
Current assignee: Jinsheng Intelligent Equipment (Shandong) Co.,Ltd.
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-16
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a coking operation sulfur melting workshop clean desulfurization extraction element, including box and concentrated solution cabin, box top left side is equipped with sulphur foam pump b, sulphur foam pump b has seted up the blast pipe on the right side, the box left end is equipped with oil water separator, box inside top is equipped with the heating purification cabin, be equipped with sulphur foam pump a in the middle of heating purification cabin top, sulphur foam pump a right side is equipped with the water cooler, heating purification under-deck bottom left end is equipped with coolant liquid conveyer pipe a, heating purification under-deck bottom right-hand member is equipped with the spiral forming machine, heating purification under-deck below is equipped with thick sulphur cabin, thick sulphur cabin below is equipped with the concentrated solution cabin, be equipped with vacuum flash evaporation evaporimeter a in the middle of concentrated solution cabin top, concentrated solution cabin bottom left end is equipped with coolant liquid conveyer pipe b, coolant liquid conveyer pipe b right side is equipped with vacuum evaporator a, vacuum evaporator a right-hand; the utility model discloses possessed the advantage that degree of automatic control is high, product purity is high, the route is short, technology is succinct.

Description

Clean desulfurization extraction element in coking operation sulfur melting workshop

Technical Field

The utility model relates to a chemical industry environmental protection technical field, concretely relates to is a clean desulfurization extraction element in coking operation sulfur melting workshop.

Background

With the progress of society and the development of economy, the coal gasification industry has the most urgent need and attention to the technology in the desulfurization of natural fuel gas, coal gasification gas and petroleum refinery gas, the natural fuel gas and petroleum refinery gas are not the current promotion leading edge of the technology due to high cost and high investment which can bear other technologies, the desulfurization belongs to the environmental protection industry leading edge of air pollution, the existing equipment has high energy consumption, heavier equipment and low purity of extracted sulfur, and therefore, a clean desulfurization extraction device for a sulfur melting workshop in coking operation is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clean desulfurization extraction element in coking operation sulfur melting workshop, possessed to pollutant changing waste into valuables, resource utilization, energy-conservation, continuous production, degree of automatic control height, product purity height, route are short, technology is succinct, equipment is little and compact, the processing scale is big, operation elasticity is big, the advantage that takes up an area of for a short time, solved prior art's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a clean desulfurization extraction device for a coking operation sulfur melting workshop comprises a box body, an oil-water separator, a sulfur foam pump a, a heating purification cabin, a spiral forming machine, a water cooler, a cooling liquid conveying pipe a, a crude sulfur cabin, a vacuum flash evaporator a, a vacuum evaporator a, a centrifuge a, an ammonium sulfate storage cabin, a crystallizer a, a centrifuge b, a cooling liquid conveying pipe b, a sulfate storage cabin, a mother liquid cabin, a vacuum generator b, a crystallizer b, a dissolving kettle, a decolorizing adsorption filter, a vacuum generator c, a concentrated liquid cabin a, a crystallizer c, a centrifuge c, a deionized water cabin, an ammonium thiocyanate salt storage cabin, a sulfur foam pump b, a discharge port, an exhaust pipe and a concentrated liquid cabin b, wherein the sulfur foam pump b is arranged on the left side of the top end of the box body and fixed on the box body through screws, the exhaust pipe is arranged on the right side of the sulfur foam pump b, and fixed on the box body through screws, the left end of the box body is provided with an oil-water separator which is fixed on the box body through screws;

a heating purification cabin is arranged above the interior of the box body, a sulfur foam pump a is arranged in the middle of the upper portion of the heating purification cabin, the sulfur foam pump a is fixed in the heating purification cabin through screws, a water cooler is arranged on the right side of the sulfur foam pump a, the water cooler is fixed in the heating purification cabin through screws, a cooling liquid conveying pipe a is arranged at the left end of the bottom in the heating purification cabin, the cooling liquid conveying pipe a is fixed in the heating purification cabin through screws, a spiral forming machine is arranged at the right end of the bottom in the heating purification cabin, the spiral forming machine is fixed in the heating purification cabin through screws, a crude sulfur cabin is arranged below the heating purification cabin, a concentrated liquid cabin b is arranged below the crude sulfur cabin, a vacuum flash evaporation evaporator a is arranged in the middle of the upper portion of the concentrated liquid cabin b, the vacuum flash evaporation evaporator a is fixed in the concentrated liquid cabin b through screws, and a cooling liquid conveying, the cooling liquid conveying pipe b is fixed in the concentrated liquid cabin b through screws, a vacuum evaporator a is arranged on the right side of the cooling liquid conveying pipe b, and the vacuum evaporator a is fixed in the concentrated liquid cabin b through screws;

the right end of the vacuum evaporator a is provided with a centrifuge a, the centrifuge a is fixed in a concentrated solution cabin b through screws, the right side of the centrifuge a is provided with a sulfate storage cabin, the sulfate storage cabin is fixed in a concentrated solution cabin b through screws, a mother solution cabin is arranged below the concentrated solution cabin b, a centrifuge b is arranged in the middle of the top end of the mother solution cabin, the centrifuge b is fixed in the mother solution cabin through screws, a crystallizer a is arranged below the centrifuge b, the crystallizer a is fixed on the centrifuge b through screws, the right end of the crystallizer a is provided with an ammonium sulfate storage cabin, the ammonium sulfate storage cabin is fixed in the mother solution cabin through screws, a dissolving kettle is arranged below the mother solution cabin, a vacuum generator b is arranged in the middle of the top end of the dissolving kettle, the vacuum generator b is fixed in the dissolving kettle through screws, and a crystallizer b is arranged below the vacuum generator b, the crystallizer b is fixed on a vacuum generator b through screws, a concentrated solution cabin a is arranged below the dissolving kettle, the middle of the top end of the concentrated solution cabin a is provided with a decoloration adsorption filter which is fixed in the concentrated solution cabin a through screws, a vacuum generator c is arranged below the decoloring adsorption filter and is fixed on the decoloring adsorption filter through screws, a deionized water cabin is arranged below the concentrated solution cabin a, a crystallizer c is arranged in the middle of the top end of the deionized water cabin, the crystallizer c is fixed in the deionized water chamber through screws, a centrifuge c is arranged below the crystallizer c, the centrifugal machine c is fixed on the crystallizer c through screws, an ammonium thiocyanate storage cabin is arranged at the right end of the centrifugal machine c, the ammonium thiocyanate storage cabin is fixed in the deionized water cabin through screws, and a discharge hole is formed below the deionized water cabin.

Preferably, the mother liquid cabin, the dissolving kettle, the concentrated liquid cabin a, the deionized water cabin and the concentrated liquid cabin b are separated by an anti-corrosion splint.

Preferably, the oil-water separator, the sulfur foam pump a, the sulfur foam pump b, the spiral forming machine, the water cooler, the vacuum flash evaporator a, the vacuum generator b, the centrifuge a, the centrifuge b, the centrifuge c, the crystallizer a, the crystallizer b, the crystallizer c and the decolorizing adsorption filter are all connected with a power supply through cables.

Preferably, the oil-water separator has the following model: GF-AP-25-250L, the model of the sulfur foam pump a and the model of the sulfur foam pump b are as follows: KBP-40011L, the model number of the spiral forming machine is: GX250, the model of the water cooler is as follows: BES500-2.5-55-6/25-4, and the type a of the vacuum flash evaporator is as follows: JSJ-1600, the model of the vacuum evaporator a and the vacuum generator b is as follows: WZI-2000, wherein the models of the centrifuge a, the centrifuge b and the centrifuge c are as follows: HGDB209, the models of the crystallizer a, the crystallizer b and the crystallizer c are as follows: CJRJ-300, the model of the decoloring adsorption filter is as follows: LE ACH-CFC. .

Compared with the prior art, the beneficial effects of the utility model are as follows: a clean desulfurization extraction device for a coking operation sulfur melting workshop has the advantages of changing pollutants into valuables, recycling, generating sulfur and chemical salt products, passing through a closed continuous device of a centrifugal machine, additionally arranging spiral conveying and hot air drying, realizing automatic packaging and bagging, reducing labor, preventing salt from absorbing moisture and getting damp in the air, realizing continuous mechanical loading and discharging of powder active carbon through a spiral forming machine, directly pressing filtrate into an evaporator, reducing labor intensity, replacing an intermittent kettle type filtering device, occupying a small area, and being 1/2 of the occupied area of the traditional salt extraction.

Drawings

FIG. 1 is a schematic view of the overall structure of a clean desulfurization extraction device for a sulfur melting plant for coking operation of the present invention;

FIG. 2 is the schematic view of the exhaust funnel of the clean desulfurization extraction device in the sulfur melting workshop for coking operation.

The figures are labeled as follows: 1 box body, 2 oil-water separator, 3 sulfur foam pump, 4 heating purification cabin, 5 spiral forming machine, 6 water cooler, 7 cooling liquid conveying pipe a, 8 crude sulfur cabin, 9 vacuum flash evaporator a, 10 vacuum evaporator a, 11 centrifuge a, 12 ammonium sulfate storage cabin, 13 crystallizer a, 14 centrifuge b, 15 cooling liquid conveying pipe c, 16 sulfate storage cabin, 17 mother liquid cabin, 18 vacuum generator b, 19 crystallizer b, 20 dissolving kettle, 21 decolorizing adsorption filter, 22 vacuum generator c, 23 concentrated liquid cabin a, 24 crystallizer c, 25 centrifuge c, 26 deionized water cabin, 27 ammonium thiocyanate salt storage cabin, 28 sulfur foam pump b, 29 discharge port, 30 exhaust pipe and 31 concentrated liquid cabin b.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

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.

Referring to fig. 1-2, a clean desulfurization extraction device for a coking operation sulfur melting workshop comprises a box body 1, an oil-water separator 2, a sulfur foam pump a3, a heating purification cabin 4, a spiral forming machine 5, a water cooler 6, a cooling liquid conveying pipe a7, a crude sulfur cabin 8, a vacuum flash evaporator a9, a vacuum evaporator a10, a centrifuge a11, an ammonium sulfate storage cabin 12, a crystallizer a13, a centrifuge b14, a cooling liquid conveying pipe b15, a sulfate storage cabin 16, a mother liquid cabin 17, a vacuum generator b18, a crystallizer b19, a dissolving kettle 20, a decolorizing adsorption filter 21, a vacuum generator c22, a concentrated liquid cabin a23, a crystallizer c24, a centrifuge c25, a deionized water cabin 26, an ammonium thiocyanate salt storage cabin 27, a sulfur foam pump b28, a discharge port 29, an exhaust pipe 30 and a concentrated liquid cabin b31, wherein a sulfur foam pump b28 is arranged on the left side of the top end of the box body 1, and the sulfur foam pump b28 is of the type: KBP-40011L, sulphur foam pump b28 pass through the screw fixation on box 1, and blast pipe 30 has been seted up on sulphur foam pump b28 right side, and blast pipe 30 passes through the screw fixation on box 1, and the 1 left end of box is equipped with oil water separator 2, and the 2 models of oil water separator are: GF-AP-25-250L, an oil-water separator 2, a sulfur foam pump a3, a sulfur foam pump b28, a spiral forming machine 5, a water cooler 6, a vacuum flash evaporator 9, a vacuum evaporator a10, a vacuum generator b18, a centrifuge a11, a centrifuge b14, a centrifuge c25, a crystallizer a13, a crystallizer b19, a crystallizer c24 and a decoloration adsorption filter 21 are all connected with a power supply through cables, the oil-water separator 2 is fixed on a box body 1 through screws, a heating purification cabin 4 is arranged above the inside of the box body 1, a sulfur foam pump a3 is arranged in the middle of the upper part of the heating purification cabin 4, and the model of the sulfur foam pump a3 is as follows: KBP-40011L, sulphur foam pump a3 passes through the screw fixation in heating purification cabin 4, and sulphur foam pump a3 right side is equipped with water cooler 6, and the water cooler 6 model is: BES500-2.5-55-6/25-4, the water cooler 6 is fixed in the heating and purifying cabin 4 through screws, the left end of the bottom in the heating and purifying cabin 4 is provided with a cooling liquid conveying pipe a7, the cooling liquid conveying pipe a7 is fixed in the heating and purifying cabin 4 through screws, the right end of the bottom in the heating and purifying cabin 4 is provided with a spiral forming machine 5, and the type of the spiral forming machine 5 is as follows: GX250, spiral forming machine 5 passes through the screw fixation in heating purification cabin 4, is equipped with coarse sulphur cabin 8 in the 4 interior below of heating purification cabin, and 8 below in coarse sulphur cabin are equipped with concentrate cabin b31, and the middle vacuum flash evaporator a9 that is equipped with in the middle of concentrate cabin b31 top, the vacuum flash evaporator 9 model is: JSJ-1600, vacuum flash evaporator a9 is fixed in concentrated solution cabin b31 through the screw, and concentrated solution cabin b31 bottom left end is equipped with coolant liquid conveyer pipe b15, and coolant liquid conveyer pipe b15 passes through the screw fixation in concentrated solution cabin b31, and coolant liquid conveyer pipe b15 right side is equipped with vacuum evaporator a10, and vacuum evaporator a10 model is: WZI-2000, a vacuum evaporator a10 is fixed in a concentrated liquid cabin b31 through screws, a centrifuge a11 is arranged at the right end of the vacuum evaporator a10, and the centrifuge a11 is of the type: HGDB209, centrifuge a11 passes through the screw fixation in concentrate cabin b31, centrifuge a11 right side is equipped with sulphate storage tank 16, sulphate storage tank 16 passes through the screw fixation in concentrate cabin b31, concentrate cabin b31 below is equipped with mother liquor cabin 17, all separate through the anticorrosion splint between mother liquor cabin 17, dissolving kettle 20, concentrate cabin a23, deionized water cabin 26, the concentrate cabin b31, be equipped with centrifuge b14 in the middle of the mother liquor cabin 17 top, centrifuge b14 model is: HGDB209, centrifuge b14 pass through the screw fixation in mother liquor cabin 17, below centrifuge b14 is equipped with crystallizer a13, crystallizer a13 model is: CJRJ-300, a crystallizer a13 is fixed on a centrifuge b14 through screws, an ammonium sulfate storage cabin 12 is arranged at the right end of a13, the ammonium sulfate storage cabin 12 is fixed in a mother liquid cabin 17 through screws, a dissolving kettle 20 is arranged below the mother liquid cabin 17, a vacuum generator b18 is arranged in the middle of the top end of the dissolving kettle 20, and the vacuum generator b18 is of the type: WZI-2000, a vacuum generator b18 is fixed in the dissolving kettle 20 by screws, a crystallizer b19 is arranged below the vacuum generator b18, and the model of the crystallizer b19 is as follows: CJRJ-300, crystallizer b19 is fixed on vacuum generator b18 through screws, a concentrated liquid cabin a23 is arranged below dissolving kettle 20, a decoloring adsorption filter 21 is arranged in the middle of the top end of concentrated liquid cabin a23, decoloring adsorption filter 21 is fixed in concentrated liquid cabin a23 through screws, vacuum generator c22 is arranged below decoloring adsorption filter 21, vacuum generator c22 is fixed on decoloring adsorption filter 21 through screws, deionized water cabin 26 is arranged below concentrated liquid cabin a23, crystallizer c24 is arranged in the middle of the top end of deionized water cabin 26, and crystallizer c24 is of the type: CJRJ-300, a crystallizer c24 is fixed in a deionized water cabin 26 through screws, a centrifuge c25 is arranged below a crystallizer c24, and the model of the centrifuge c25 is as follows: HGDB209, centrifuge c25 pass through the screw fixation on crystallizer c24, centrifuge c25 right-hand member is equipped with ammonium thiocyanate storage compartment 27, and ammonium thiocyanate storage compartment 27 passes through the screw fixation in deionized water cabin 26, and discharge gate 29 has been seted up to deionized water cabin 26 below.

The working principle is as follows: a clean desulfurization extraction device for a sulfur melting workshop of coking operation is characterized in that sulfur foam is pumped into a box body 1 from a sulfur foam pump 28, a medicament is added and air is introduced, through washing separation, upper liquid flows to an oil-water separator 2, oil enters an underground oil emptying groove, water enters an underground reuse water emptying groove, the washed sulfur foam is pumped into a heating purification cabin 4 through a sulfur foam pump a3, the sulfur foam is heated to a certain temperature and then filtered, liquid sulfur with purity of more than 99 percent is granulated under the action of a spiral forming machine 5, the liquid sulfur is cooled through a water cooler 6 to extract a solid sulfur product, cooling liquid enters the oil-water separator 2 through a cooling liquid conveying pipe 7, high-temperature high-pressure mixed salt concentrated brine flows into a crude sulfur cabin 8 in the purification process, the high-temperature high-pressure mixed salt concentrated brine flows into a vacuum flash evaporator a9, and the clean mixed brine of a9 of the vacuum flash evaporator flows into a vacuum evaporator a10 for concentration, the coarse sulfate which is centrifugally separated by a centrifuge a11 is used as an ammonium sulfate product and is stored in a sulfate storage cabin 16, the mother liquor at the bottom of a vacuum evaporator 10 flows into a centrifuge b14 and then flows into a crystallizer a13 to crystallize the coarse sulfate which is used as an ammonium sulfate product, the ammonium sulfate product flows into an ammonium sulfate storage cabin 12, the crystallized mother liquor flows into a vacuum evaporator b18 and is heated and concentrated, the concentrated solution flows into a crystallizer b19, the liquid containing crystal grains of the crystallizer b19 is centrifuged, crude ammonium thiocyanate soft water with about 96.5 percent is washed in a dissolving kettle 20, the dissolved solution is pumped into a decoloring adsorption filter 21 and is evaporated and concentrated in a vacuum evaporator c22 under residual pressure, the concentrated solution flows into a crystallizer c24 through a concentrated solution cabin a23, the liquid containing crystal grains of the crystallizer c24 is put into a centrifuge c25 to be centrifuged, the crude ammonium thiocyanate with about 98 percent as a final refined salt product and is put into an ammonium thiocyanate storage cabin 27, the deionized water filters out sulfur in the deionized water cabin 26, and the cooled sulfur is taken out through a discharge port 29 for reuse.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a clean desulfurization extraction element in coking operation sulfur melting workshop which characterized in that: comprises a box body (1), an oil-water separator (2), a sulfur foam pump a (3), a heating purification cabin (4), a spiral forming machine (5), a water cooler (6), a cooling liquid conveying pipe a (7), a crude sulfur cabin (8), a vacuum flash evaporator a (9), a vacuum evaporator a (10), a centrifugal machine a (11), an ammonium sulfate storage cabin (12), a crystallizer a (13), a centrifugal machine b (14), a cooling liquid conveying pipe b (15), a sulfate storage cabin (16), a mother liquid cabin (17), a vacuum generator b (18), a crystallizer b (19), a dissolving kettle (20), a decoloring adsorption filter (21), a vacuum generator c (22), a concentrated liquid cabin a (23), a crystallizer c (24), a centrifugal machine c (25), a deionized water cabin (26), an ammonium thiocyanate salt storage cabin (27), a sulfur foam pump b (28), a discharge port (29), The device comprises an exhaust pipe (30) and a concentrated liquid cabin b (31), wherein a sulfur foam pump b (28) is arranged on the left side of the top end of a box body (1), the sulfur foam pump b (28) is fixed on the box body (1) through screws, the exhaust pipe (30) is arranged on the right side of the sulfur foam pump b (28), the exhaust pipe (30) is fixed on the box body (1) through screws, an oil-water separator (2) is arranged at the left end of the box body (1), and the oil-water separator (2) is fixed on the box body (1) through screws;

the heating purification cabin (4) is arranged above the inner part of the box body (1), a sulfur foam pump a (3) is arranged in the middle of the upper part of the heating purification cabin (4), the sulfur foam pump a (3) is fixed in the heating purification cabin (4) through screws, a water cooler (6) is arranged on the right side of the sulfur foam pump a (3), the water cooler (6) is fixed in the heating purification cabin (4) through screws, a cooling liquid conveying pipe a (7) is arranged at the left end of the bottom in the heating purification cabin (4), the cooling liquid conveying pipe a (7) is fixed in the heating purification cabin (4) through screws, a spiral forming machine (5) is arranged at the right end of the bottom in the heating purification cabin (4), the spiral forming machine (5) is fixed in the heating purification cabin (4) through screws, a crude sulfur cabin (8) is arranged below the heating purification cabin (4), and a concentrated liquid cabin b (31) is arranged below the crude sulfur cabin (8), a vacuum flash evaporator a (9) is arranged in the middle above the concentrated liquid cabin b (31), the vacuum flash evaporator a (9) is fixed in the concentrated liquid cabin b (31) through screws, a cooling liquid conveying pipe b (15) is arranged at the left end of the bottom of the concentrated liquid cabin b (31), the cooling liquid conveying pipe b (15) is fixed in the concentrated liquid cabin b (31) through screws, a vacuum evaporator a (10) is arranged on the right side of the cooling liquid conveying pipe b (15), and the vacuum evaporator a (10) is fixed in the concentrated liquid cabin b (31) through screws;

the vacuum evaporator a (10) right-hand member is equipped with centrifuge a (11), centrifuge a (11) passes through the screw fixation in concentrate cabin b (31), centrifuge a (11) right side is equipped with sulfate and stores cabin (16), sulfate is stored cabin (16) and is passed through the screw fixation in concentrate cabin b (31), concentrate cabin b (31) below is equipped with mother liquor cabin (17), be equipped with centrifuge b (14) in the middle of mother liquor cabin (17) top, centrifuge b (14) passes through the screw fixation in mother liquor cabin (17), centrifuge b (14) below is equipped with crystallizer a (13), crystallizer a (13) passes through the screw fixation on centrifuge b (14), crystallizer a (13) right-hand member is equipped with ammonium sulfate and stores cabin (12), ammonium sulfate is stored cabin (12) and is passed through the screw fixation in mother liquor cabin (17), a dissolving kettle (20) is arranged below the mother liquid cabin (17), a vacuum generator b (18) is arranged in the middle of the top end of the dissolving kettle (20), the vacuum generator b (18) is fixed in the dissolving kettle (20) through screws, a crystallizer b (19) is arranged below the vacuum generator b (18), the crystallizer b (19) is fixed on the vacuum generator b (18) through screws, and a concentrated liquid cabin a (23) is arranged below the dissolving kettle (20);

be equipped with decoloration adsorption filter (21) in the middle of concentrate cabin a (23) top, decoloration adsorption filter (21) passes through the screw fixation in concentrate cabin a (23), decoloration adsorption filter (21) below is equipped with vacuum generator c (22), vacuum generator c (22) passes through the screw fixation on decoloration adsorption filter (21), concentrate cabin a (23) below is equipped with deionized water cabin (26), be equipped with crystallizer c (24) in the middle of deionized water cabin (26) top, crystallizer c (24) passes through the screw fixation in deionized water cabin (26), crystallizer c (24) below is equipped with centrifuge c (25), centrifuge c (25) passes through the screw fixation on crystallizer c (24), centrifuge c (25) right-hand member is equipped with ammonium thiocyanate storage cabin (27), ammonium thiocyanate storage cabin (27) passes through the screw fixation in deionized water cabin (26), a discharge hole (29) is formed below the deionized water cabin (26).

2. The clean desulfurization extraction device for the coking operation sulfur melting workshop according to claim 1, characterized in that: the mother liquid cabin (17), the dissolving kettle (20), the concentrated liquid cabin a (23), the deionized water cabin (26) and the concentrated liquid cabin b (31) are separated by an anti-corrosion splint.

3. The clean desulfurization extraction device for the coking operation sulfur melting workshop according to claim 1, characterized in that: the oil-water separator (2), the sulfur foam pump a (3), the sulfur foam pump b (28), the spiral forming machine (5), the water cooler (6), the vacuum flash evaporator a (9), the vacuum evaporator a (10), the vacuum generator b (18), the centrifuge a (11), the centrifuge b (14), the centrifuge c (25), the crystallizer a (13), the crystallizer b (19), the crystallizer c (24) and the decoloring adsorption filter (21) are all connected with a power supply through cables.

4. The clean desulfurization extraction device for the coking operation sulfur melting workshop according to claim 1, characterized in that: the oil-water separator (2) is of the type: GF-AP-25-250L, the model of the sulfur foam pump a (3) and the sulfur foam pump b (28) is as follows: KBP-40011L, the model of the spiral forming machine (5) is: GX250, wherein the model of the water cooler (6) is as follows: BES500-2.5-55-6/25-4, the vacuum flash evaporator a (9) model is: JSJ-1600, the vacuum evaporator a (10) and the vacuum generator b (18) are in the models: WZI-2000, wherein the models of the centrifuge a (11), the centrifuge b (14) and the centrifuge c (25) are as follows: HGDB209, the models of the crystallizer a (13), the crystallizer b (19) and the crystallizer c (24) are as follows: CJRJ-300, the decoloration adsorption filter (21) is of the type: LE ACH-CFC.