CN218174838U

CN218174838U - Desulfurization gypsum powder fluidization heating device for cement production

Info

Publication number: CN218174838U
Application number: CN202221902465.2U
Authority: CN
Inventors: 郭伟栋; 任泽华
Original assignee: Shanxi Dadi Hongxiang Environmental Protection Technology Co ltd
Current assignee: Shanxi Dadi Hongxiang Environmental Protection Technology Co ltd
Priority date: 2022-07-23
Filing date: 2022-07-23
Publication date: 2022-12-30
Anticipated expiration: 2032-07-23

Abstract

The utility model discloses a desulfurization gypsum powder fluidized heating device for cement production, which comprises a condenser, a second weighing base, a first weighing base, an outer shell, a heat preservation layer, an inner shell and an electric heating box; the desulfurization gypsum powder fluidized heating device for cement production has the advantages that the dehydration effect is good, raw materials can be fully contacted with high-temperature dry air when in use, and the drying efficiency of the raw materials is effectively improved; can be broken with the feeding through broken commentaries on classics roller, make its dehydration that can be more convenient, can send dry hot-air into the inside of interior casing through the discharge for guide spiral feed through third screw conveyer, can shoveling the back through the shovel board with the raw materials in the interior casing and spill from the eminence for the raw materials can fully contact with hot-air.

Description

Desulfurization gypsum powder fluidization heating device for cement production

Technical Field

The utility model relates to a desulfurization gypsum powder production technical field specifically is a desulfurization gypsum powder fluidization heating device for cement manufacture.

Background

With the increasing environmental protection requirement, the byproduct desulfurization gypsum for controlling the flue gas sulfur dioxide in the power industry is more and more, and for a large amount of desulfurization gypsum generated by a power plant, the traditional treatment method is to prepare desulfurization gypsum powder from the desulfurization gypsum discharged by the power plant by a two-step process of fluidized calcination and waste heat drying, and the desulfurization gypsum powder can be used for producing cement. The cement is a hydraulic cementing material made of silicate cement clinker, proper amount of gypsum and specified mixed material, and when the cement clinker is made into cement, a certain additive is added, so that the aim of regulating cement setting time is mainly achieved. Among the many set control agents, desulfurized gypsum powder is the most commonly used one, thus making it an important component of cement.

Because the desulfurized gypsum powder discharged by a power plant has a large water content, the desulfurized gypsum powder needs to be heated and dried, and a common method in the existing production process is a fluidized heating dehydration method, namely the desulfurized gypsum powder with a large water content is sent into a spiral conveying device, and the spiral conveying device is heated, so that the desulfurized gypsum powder can be rapidly dehydrated, but when the existing desulfurized gypsum powder fluidized heating device for cement production is used, the heating efficiency is not high due to the small contact area between the heating device and the raw materials; meanwhile, when the existing fluidized heating device for the desulfurized gypsum powder for cement production is used, water vapor cannot be effectively pumped out in time, so that the raw materials are enabled to be damp again, and the heating effect is influenced.

Disclosure of Invention

The utility model provides a cement manufacture is with desulfurization gypsum powder fluidization heating device can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a fluidized heating device for desulfurized gypsum powder for cement production comprises a condenser, a second weighing base, a first weighing base, an outer shell, a heat-insulating layer, an inner shell and an electric heating box; the internal side of interior casing is equipped with the guide spiral, and the medial surface of interior casing is equipped with the shovel board, the lateral surface right-hand member of interior casing rotates and is connected with annular collecting vessel, and the lateral surface lower extreme of annular collecting vessel is equipped with the bin outlet, install discharge tube and injection pipe on the annular collecting vessel, the upper surface of first base of weighing is equipped with first thermal-insulation collecting box, and the up end of first thermal-insulation collecting box is equipped with first cyclone, and the inlet port of first cyclone links to each other with the discharge tube, and the port of giving vent to anger of first cyclone passes through the inlet port of third honeycomb duct and second cyclone, and the lower terminal surface of second cyclone is equipped with second thermal-insulation collecting box, and second thermal-insulation collecting box installs on the second base of weighing, the inside of second thermal-insulation collecting box and first thermal-insulation collecting box all is equipped with electric heating wire, and the port of giving vent to anger of second cyclone links to each other with the inlet port of condenser through the second honeycomb duct, and the port of giving vent to anger of condenser links to each other with the inlet end of air pump through first honeycomb duct, and the port of giving vent to each other with the electric heating box, and the electric heating box communicates with the electric heating box, and the inlet port of giving vent to each other.

Furthermore, the heat preservation sets up between ectohull and interior casing, and the lateral surface left end of shell body is equipped with the gear.

Specifically, the gear transmission mechanism can drive the inner shell to rotate.

Furthermore, the left end face of the inner shell is rotatably connected with a third screw conveyor, a dust feeding cabin is installed at a feeding hole of the third screw conveyor, a feeding nozzle is arranged at the upper end of the outer side face of the dust feeding cabin, and a crushing roller is installed on the inner side face of the dust feeding cabin.

Specifically, through set up breaker at the feed end, can break up the raw materials of blocking, more make things convenient for the dehydration of raw materials to handle.

Furthermore, the lower end of the outer side face of the gas collecting pipe is provided with an inverted cone-shaped air inlet nozzle, the lower end of the outer side face of the injection pipe is provided with an air outlet, the gas collecting pipe and the injection pipe are both arranged inside the inner shell, and the gas collecting pipe is arranged above the injection pipe.

In particular, the back-tapered nozzles may be reduced

Furthermore, a second screw conveyor is installed at the discharge port of the second heat-preservation collection box, and a second electric control ball valve is installed at the discharge port of the second screw conveyor.

Specifically, air can be prevented from entering the interior of the equipment through the second screw conveyor in the starting process of the equipment by arranging the second electric control ball valve.

Furthermore, a first screw conveyor is installed at a discharge port of the first heat-preservation collecting box, and a first electric control ball valve is installed at a discharge port of the first screw conveyor.

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

1. the fluidized heating device for the desulfurized gypsum powder for cement production is convenient to operate and good in dehydration effect, and meanwhile, the raw material can be fully contacted with high-temperature dry air when in use, so that the drying efficiency of the raw material is effectively improved;

2. can be broken with the feeding through broken commentaries on classics roller, make its dehydration that can be more convenient, can send dry hot-air into the inside of interior casing through the discharge for guide spiral feed through third screw conveyer, can shoveling the back through the shovel board with the raw materials in the interior casing and spill from the eminence for the raw materials can fully contact with hot-air.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1 feeding nozzle, 2 outer shells, 3 heat preservation layers, 4 inner shells, 5 guide screws, 6 electric heating boxes, 7 air pumps, 8 first guide pipes, 9 first cyclone separators, 10 condensers, 11 second guide pipes, 12 third guide pipes, 13 second cyclone separators, 14 second heat preservation collecting boxes, 15 second electric control ball valves, 16 second screw conveyors, 17 second weighing bases, 18 first electric control ball valves, 19 first screw conveyors, 20 electric heating wires, 21 first heat preservation collecting boxes, 22 first weighing bases, 23 annular collecting cylinders, 24 discharging nozzles, 25 gas collecting pipes, 26 injection pipes, 27 gears, 28 third screw conveyors, 29 crushing rotary rollers, 30 dust feeding cabins and 31 shovel plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in fig. 1, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

Referring to fig. 1, the present invention provides a technical solution: a fluidized heating device of desulfurized gypsum powder for cement production comprises a condenser 10, a second weighing base 17, a first weighing base 22, an outer shell 2, a heat-insulating layer 3, an inner shell 4 and an electric heating box 6; the heat preservation 3 sets up between outer casing 2 and interior casing 4, and the lateral surface left end of outer casing 2 is equipped with gear 27, and the power take off end through gear drive mechanism and outside motor links to each other, and the medial surface of interior casing 4 is equipped with guide spiral 5, and guide spiral 5 is used for the transport of raw materials, and the medial surface of interior casing 4 is equipped with shovel board 31, can take the eminence to throw down with the raw materials through shovel board 31.

The left end face of the inner shell 4 is rotatably connected with a third screw conveyor 28, the third screw conveyor 28 is used for feeding equipment, a dust feeding cabin 30 is installed at a feeding hole of the third screw conveyor 28, a feeding nozzle 1 is arranged at the upper end of the outer side face of the dust feeding cabin 30, a crushing rotating roller 29 is installed on the inner side face of the dust feeding cabin 30, a crushing blade is installed on the outer side face of the crushing rotating roller 29, and the crushing rotating roller 29 is connected with a power output shaft of an external motor.

The lateral surface right-hand member of interior casing 4 rotates and is connected with annular collecting vessel 23, the lateral surface lower extreme of annular collecting vessel 23 is equipped with row material mouth 24, row material mouth 24 underground storage bin links to each other, install gas collecting tube 25 and injection pipe 26 on the annular collecting vessel 23, the lateral surface lower extreme of gas collecting tube 25 is equipped with the back taper suction nozzle, the back taper suction nozzle can effectively reduce the inspiratory volume of dust, the lateral surface lower extreme of injection pipe 26 is equipped with the gas outlet, the inside of casing 4 including gas collecting tube 25 and injection pipe 26 all set up, gas collecting tube 25 sets up the top at injection pipe 26.

The upper surface of the first weighing base 22 is provided with a first heat preservation collecting box 21, the discharge outlet of the first heat preservation collecting box 21 is provided with a first screw conveyor 19, the discharge outlet of the first screw conveyor 19 is provided with a first electric control ball valve 18, the upper end surface of the first heat preservation collecting box 21 is connected with a first cyclone separator 9 through a first pipeline, the first pipeline is provided with a first electric control valve, the air inlet of the first cyclone separator 9 is connected with a gas collecting pipe 25, the air outlet of the first cyclone separator 9 is connected with the air inlet of a second cyclone separator 13 through a third flow guide pipe 12, the lower end surface of the second cyclone separator 13 is connected with a second heat preservation collecting box 14 through a second pipeline, the second pipeline is provided with a second electric control valve, the discharge outlet of the second heat preservation collecting box 14 is provided with a second screw conveyor 16, a second electric control ball valve 15 is installed at a discharge port of the second screw conveyor 16, the second heat preservation collection box 14 is installed on a second weighing base 17, electric heating wires 20 are arranged inside the second heat preservation collection box 14 and the first heat preservation collection box 21 and used for heating materials in the second heat preservation collection box 14 and the first heat preservation collection box 21 and preventing the materials from getting damp, an air outlet port of the second cyclone separator 13 is connected with an air inlet port of the condenser 10 through the second guide pipe 11, an air outlet port of the condenser 10 is connected with an air inlet end of the air pump 7 through the first guide pipe 8, an air outlet port of the air pump 7 is communicated with the electric heating box 6, electric heating sheets are arranged inside the electric heating box 6, an air outlet port of the electric heating box 6 is connected with the injection pipe 26 through a guide pipe, and electric heating devices are arranged inside outer shells of the first cyclone separator 9 and the second cyclone separator 13 and used for preventing the raw materials from getting damp.

When in use: the desulfurized gypsum powder raw material with high water content enters the dust feeding cabin 30 through the feeding nozzle 1, the crushing roller 39 arranged in the dust feeding cabin 30 is driven by an external motor to rotate to complete auxiliary blanking, finally, the raw material is conveyed to the inside of the inner shell 4 by the third screw conveyor 28, the inner shell 4 is driven by the external motor to rotate, the raw material is conveyed to the right through the guide screw 5, the synchronous air pump 7 sends air into the electric heating box 6 to be heated, the heated dry hot air is sent into the inside of the inner shell 4 through the injection pipe 26, the synchronous shoveling plate 31 shovels the raw material to be thrown from a high position, the material falls and is contacted with the rising hot air, moisture in the material absorbs heat to be gasified into vapor to be pumped out by the gas collecting pipe 25, the dust-containing gas pumped out of the gas collecting pipe 25 is firstly filtered by the first cyclone separator 9 and the second cyclone separator 13, the flying dust is collected into the first heat-preserving collection box 21 and the inside the second heat-preserving collection box 14, the residual gas is treated by the condenser 10, the water vapor in the gas is separated, and the condensed gas is sent into the inner shell 4 to be dewatered again after being heated and liquefied.

It is worth noting that: the input ends of the electric heating box 6, the air pump 7, the condenser 10, the second electric control ball valve 15, the second screw conveyor 16, the second weighing base 17, the first electric control ball valve 18, the first screw conveyor 19, the electric heating wire 20, the first weighing base 22 and the third screw conveyor 28 are all electrically connected with the output end of an external power supply through an external control switch.

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 desulfurization gypsum powder fluidization heating device for cement manufacture, includes condenser (10), the second base (17) and the first base (22) of weighing, its characterized in that of weighing: the heat insulation device also comprises an outer shell (2), a heat insulation layer (3), an inner shell (4) and an electric heating box (6); the inner side surface of the inner shell (4) is provided with a material guide spiral (5), the inner side surface of the inner shell (4) is provided with a shovel plate (31), the right end of the outer side surface of the inner shell (4) is rotatably connected with an annular collecting cylinder (23), the lower end of the outer side surface of the annular collecting cylinder (23) is provided with a discharge nozzle (24), the annular collecting cylinder (23) is provided with a gas collecting pipe (25) and an injection pipe (26), the upper surface of a first weighing base (22) is provided with a first heat preservation collecting box (21), the upper end surface of the first heat preservation collecting box (21) is provided with a first cyclone separator (9), the gas inlet port of the first cyclone separator (9) is connected with the gas collecting pipe (25), the gas outlet port of the first cyclone separator (9) is connected with the gas inlet port of a second cyclone separator (13) through a third flow guide pipe (12), the lower end surface of the second cyclone separator (13) is provided with a second heat preservation collecting box (14), the second heat preservation collecting box (14) is installed on a second weighing base (17), the second heat preservation collecting box (14) and the heat preservation collecting box (21) are provided with the heat preservation collecting pipe (10) connected with a heat inlet port of a second condenser (10) through a heat preservation flow guide pipe (10), an air outlet port of the air pump (7) is communicated with the electric heating box (6), an electric heating sheet is arranged inside the electric heating box (6), and an air outlet port of the electric heating box (6) is connected with the injection pipe (26) through a guide pipe.

2. The fluidized heating device of desulfurized gypsum powder for cement production according to claim 1, characterized in that: the heat preservation layer (3) is arranged between the outer shell (2) and the inner shell (4), and a gear (27) is arranged at the left end of the outer side face of the outer shell (2).

3. The fluidized heating device of desulfurized gypsum powder for cement production according to claim 1, characterized in that: the left end face of the inner shell (4) is rotatably connected with a third screw conveyor (28), a dust feeding cabin (30) is installed at a feeding hole of the third screw conveyor (28), a feeding nozzle (1) is arranged at the upper end of the outer side face of the dust feeding cabin (30), and a crushing rotating roller (29) is installed on the inner side face of the dust feeding cabin (30).

4. The fluidized heating device of desulfurized gypsum powder for cement production according to claim 1, wherein: the lower end of the outer side face of the gas collecting pipe (25) is provided with an inverted cone-shaped gas inlet nozzle, the lower end of the outer side face of the injection pipe (26) is provided with a gas outlet, the gas collecting pipe (25) and the injection pipe (26) are both arranged inside the inner shell (4), and the gas collecting pipe (25) is arranged above the injection pipe (26).

5. The fluidized heating device of desulfurized gypsum powder for cement production according to claim 1, wherein: a second screw conveyor (16) is installed at the discharge port of the second heat-preservation collection box (14), and a second electric control ball valve (15) is installed at the discharge port of the second screw conveyor (16).

6. The fluidized heating device of desulfurized gypsum powder for cement production according to claim 1, characterized in that: a first screw conveyor (19) is installed at a discharge port of the first heat-preservation collection box (21), and a first electric control ball valve (18) is installed at a discharge port of the first screw conveyor (19).