CN211695910U - Cooling furnace for cooling fluorgypsum - Google Patents

Cooling furnace for cooling fluorgypsum Download PDF

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Publication number
CN211695910U
CN211695910U CN201922360224.4U CN201922360224U CN211695910U CN 211695910 U CN211695910 U CN 211695910U CN 201922360224 U CN201922360224 U CN 201922360224U CN 211695910 U CN211695910 U CN 211695910U
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China
Prior art keywords
furnace
cooling
rotary cylinder
tail
fluorgypsum
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Active
Application number
CN201922360224.4U
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Chinese (zh)
Inventor
王郡珩
刘毅
严海西
吴江波
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Jiangxi Lee & Man Chemical Co ltd
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Jiangxi Lee & Man Chemical Co ltd
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Abstract

The utility model discloses a cooling furnace for cooling fluorgypsum, which relates to the technical field of cooling furnaces; the cooling furnace for cooling the fluorgypsum comprises a furnace end, wherein the furnace end comprises a feeding hole and a feeding box; the furnace end is connected with a rotary cylinder, a solid spiral is arranged in the rotary cylinder, a large gear is arranged on the rotary cylinder close to the furnace end, rollers are arranged behind the large gear and at the tail end of the cylinder, the rotary cylinder is supported by a riding wheel at the bottom of the roller, a water jacket is arranged outside the cylinder, the upper part of the water jacket comprises a water inlet and an exhaust port, and the lower part of the water jacket is provided with a hot water discharge port and a support leg; the tail end of the rotary cylinder body is connected with a furnace tail, and the furnace tail comprises an exhaust port, a discharge port and a manhole. The utility model discloses reduced the exhaust temperature of accessory substance calcium sulfate in the anhydrous hydrogen fluoride production, diffused the sour gas that accessory substance calcium sulfate contains with higher speed and sent into tail gas absorbing device and absorb, solved accessory substance calcium sulfate in storage and transportation environmental pollution and occupational health harm's problem.

Description

Cooling furnace for cooling fluorgypsum
Technical Field
The utility model relates to a fluorgypsum handles technical field in anhydrous hydrogen fluoride production, a cooling furnace for fluorgypsum cooling.
Background
In the production of anhydrous hydrogen fluoride in the fluorine chemical industry, the fluorgypsum tailing (calcium sulfate) generated after calcium fluoride and sulfuric acid react in a reaction furnace is mostly directly conveyed away from a fluorgypsum warehouse after passing through a slag discharge screw and a conveying screw. The high-temperature fluorgypsum can generate a large amount of dust and acid gas in the storage and transportation processes, thereby bringing great difficulty to the tail gas treatment process. Meanwhile, the environment is polluted, and occupational disease troubles are brought to operators; in addition, the quality requirement of other industries on the use of the fluorgypsum cannot be met due to the existence of larger acid gas.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of large dust, more acid gas and the like when the anhydrous hydrogen fluoride production by-product fluorogypsum is treated, the cooling furnace for cooling the fluorogypsum has large cooling capacity and small power consumption; can quickly reduce the temperature of the fluorgypsum, reduce dust emission and accelerate the diffusion of acid gas, and is an ideal cooling device for producing the by-product fluorgypsum by anhydrous hydrogen fluoride.
A cooling furnace for cooling fluorgypsum comprises a furnace end, wherein the furnace end comprises a feeding hole and a feeding box; the furnace end is connected with the rotary cylinder, a solid spiral is arranged in the rotary cylinder, a large gear is arranged at the front end of the outside of the rotary cylinder, a first idler wheel is arranged on the rear side of the large gear, a second idler wheel is arranged at the tail end of the outside of the rotary cylinder, a first riding wheel and a second riding wheel are arranged at the bottom of the first idler wheel, and a third riding wheel and a fourth riding wheel are arranged at the bottom of the second idler wheel; a water jacket is arranged at the middle section of the outer part of the rotary cylinder body, a first water inlet, a second water inlet, a first exhaust port and a second exhaust port are arranged at the upper part of the water jacket, and a first support leg, a second support leg, a first exhaust port and a second exhaust port are arranged at the bottom of the water jacket; the end of the rotary cylinder is connected with a furnace tail, and the furnace tail comprises a gas outlet, a material outlet and a manhole.
According to the further technical scheme, the cooling furnace is obliquely arranged, and the furnace end is higher than the furnace tail end.
According to a further technical scheme, the rotation of the rotary cylinder is realized by driving a large gear by an external motor.
The utility model has the advantages that: the structure is simple, the cooling efficiency is high, the energy consumption is low, and the solid material is conveyed while being cooled; the cooled fluorgypsum has less dust emission and low content of acid gas. Is beneficial to environmental protection and reduces occupational health hazards.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-furnace end; 11-a feed inlet; 12-a feed box; 2-rotating the cylinder; 4-solid helix; 21-gearwheel; 22-a first roller; 23-a second roller; 24-a first riding wheel; 25-a second riding wheel; 26-a third riding wheel; 27-a fourth riding wheel; 5-water jacket; 51-a first water inlet; 54-a second water inlet; 52-first exhaust port; 53-a second exhaust port; 55-a first leg; 58-a second leg; 56-first drain; 57-a second drain opening; 3-furnace tail; 31-a gas outlet; 32-a material outlet; 33-manhole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: comprises a furnace end 1, wherein the furnace end 1 comprises a feed inlet 11 and a feed box 12; the furnace end 1 is connected with the rotary cylinder 2, a solid spiral 4 is arranged in the rotary cylinder 2, a large gear 21 is arranged at the front end of the outside of the rotary cylinder 2, a first idler wheel 22 is arranged at the rear side of the large gear 21, a second idler wheel 23 is arranged at the tail end of the outside of the rotary cylinder 2, a first supporting wheel 24 and a second supporting wheel 25 are arranged at the bottom of the first idler wheel 22 to play a supporting role, and a third supporting wheel 26 and a fourth supporting wheel 27 are arranged at the bottom of the second idler wheel 23 to play a supporting role; a water jacket 5 is arranged at the middle section of the outer part of the rotary cylinder body 2, a first water inlet 51, a second water inlet 54, a first exhaust port 52 and a second exhaust port 53 are arranged at the upper part of the water jacket 5, and a first support leg 55, a second support leg 58, a first exhaust port 56 and a second exhaust port 57 are arranged at the bottom; the end of the rotary cylinder body 2 is connected with a furnace tail 3, and the furnace tail 3 comprises a gas outlet 31, a material outlet 32 and a manhole 33.
In this embodiment, the cooling furnace is placed in the slope, and 1 end of furnace end is higher than 3 ends of furnace tail, prevents accessory substance fluorgypsum material refluence.
In this embodiment, the rotation of the rotary cylinder 2 is realized by driving the large gear 21 by an external motor, so that the transmission effect is better and the electric energy is saved.
The working principle of the specific embodiment is as follows:
before materials enter the cooling furnace, cooling water is firstly introduced into the water jacket 5 from the first water inlet 51 and the second water inlet 54, and the cooling water flows out from the first water outlet 56 and the second water outlet 57; after cooling water circulates, a byproduct fluorgypsum at the tail part of the anhydrous hydrogen fluoride reaction furnace enters a feeding box 12 in the furnace end 1 from a feeding hole 11, and the temperature of the fluorgypsum is about 250 ℃; an external motor drives a large gear 21 to rotate, so that the whole rotary cylinder body 2 is driven to rotate, high-temperature fluorgypsum is driven by a solid spiral 4 to be conveyed from a furnace end 1 to a furnace tail 3, cooling water continuously flowing in the rotary cylinder body 2 and a water jacket 5 exchanges heat and cools, water vapor volatilized in the water jacket 5 in the cooling process is discharged from a first exhaust port 52 and a second exhaust port 53, and the whole rotary cylinder body 2 is supported by a first roller 22 at the front end, a first riding wheel 24 and a second riding wheel 25 at the bottom, a second roller 23 at the tail end, a third riding wheel 26 and a fourth riding wheel 27 at the bottom; after passing through the rotary cylinder 2, the temperature of the fluorgypsum is reduced to 100 ℃ and the fluorgypsum enters the furnace tail 3, acid gas in the fluorgypsum is discharged from the gas outlet 31, the fluorgypsum enters the material outlet 32 and is discharged, and the furnace tail 3 is provided with a manhole 33 for daily maintenance and overhaul.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A cooling furnace for fluorgypsum cooling, its characterized in that: the cooling furnace comprises a furnace end (1), wherein the furnace end (1) comprises a feeding hole (11) and a feeding box (12); the furnace end (1) is connected with the rotary cylinder body (2), a solid spiral (4) is arranged inside the rotary cylinder body (2), a large gear (21) is arranged at the front end of the outside, a first idler wheel (22) is arranged on the rear side of the large gear (21), a second idler wheel (23) is arranged at the tail end of the outside of the rotary cylinder body (2), a first supporting wheel (24) and a second supporting wheel (25) are arranged at the bottom of the first idler wheel (22), and a third supporting wheel (26) and a fourth supporting wheel (27) are arranged at the bottom of the second idler wheel (23); a water jacket (5) is arranged in the middle section of the outer part of the rotary cylinder body (2), a first water inlet (51), a second water inlet (54), a first exhaust port (52) and a second exhaust port (53) are arranged at the upper part of the water jacket (5), and a first support leg (55), a second support leg (58), a first exhaust port (56) and a second exhaust port (57) are arranged at the bottom of the water jacket; the tail end of the rotary cylinder body (2) is connected with a furnace tail (3), and the furnace tail (3) comprises a gas outlet (31), a material outlet (32) and a manhole (33).
2. The cooling furnace for lowering the temperature of the fluorgypsum according to claim 1, wherein: the cooling furnace is obliquely arranged, and the end of the furnace end (1) is higher than the end of the furnace tail (3).
3. The cooling furnace for lowering the temperature of the fluorgypsum according to claim 1, wherein: the rotation of the rotary cylinder (2) is realized by driving a large gear (21) by an external motor.
CN201922360224.4U 2019-12-25 2019-12-25 Cooling furnace for cooling fluorgypsum Active CN211695910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922360224.4U CN211695910U (en) 2019-12-25 2019-12-25 Cooling furnace for cooling fluorgypsum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922360224.4U CN211695910U (en) 2019-12-25 2019-12-25 Cooling furnace for cooling fluorgypsum

Publications (1)

Publication Number Publication Date
CN211695910U true CN211695910U (en) 2020-10-16

Family

ID=72794307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922360224.4U Active CN211695910U (en) 2019-12-25 2019-12-25 Cooling furnace for cooling fluorgypsum

Country Status (1)

Country Link
CN (1) CN211695910U (en)

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