CN210001773U

CN210001773U - calcining device for preparing gypsum powder by using waste residues of thermal power plant

Info

Publication number: CN210001773U
Application number: CN201920398149.8U
Authority: CN
Inventors: 张津; 陈德飞; 薛梅玉; 张云; 薛贤煌
Original assignee: Fujian Xingbo Building Materials Technology Co Ltd
Current assignee: Fujian Xingbo Building Materials Technology Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-31
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a kind of heat-engine plant's waste residue preparation calcining device for gesso, including the calcining chamber, the feed inlet has been seted up at calcining chamber left side wall top, the feed inlet top is provided with the material lid, calcining chamber top right side is provided with exhaust treatment device, be provided with the fixed plate between the calcining chamber left and right sides wall top, circular spout has been seted up to the fixed plate bottom left and right sides, pan feeding mouth and gas outlet have been seted up respectively to fixed plate top left side and right side, it is connected with the pivot to rotate between calcining chamber and the fixed plate, the pivot lateral wall is provided with spiral stirring leaf, be provided with injection apparatus between spiral stirring leaf and the fixed plate, be provided with gas distribution plate between the calcining chamber left and right sides wall bottom, the discharge gate has been seted up to calcining chamber right side wall bottom, discharge gate right side wall is provided with sealed lid, the calcining chamber bottom is provided with.

Description

calcining device for preparing gypsum powder by using waste residues of thermal power plant

Technical Field

The utility model relates to a gesso calcining device specifically is kinds of calcining device for thermal power plant's waste residue preparation gesso.

Background

Gypsum powder is usually white and colorless, and colorless transparent crystals are called transparent gypsum and sometimes become grey, light yellow, light brown and the like due to impurities. The streaks are white. And (4) transparent. Glass luster, cleavage plane pearl luster, fibrous aggregate silk luster. The gypsum powder can be used only by calcining, and the existing calcining device has high energy consumption and low production efficiency.

Therefore, the technical personnel in the related technical field improve the device, for example, the device for calcining gypsum powder, which is provided by the Chinese patent application No. CN201720368472.1, is characterized in that a blanking groove is connected with a vibration blanking groove, the outlet of the vibration blanking groove is correspondingly arranged on a crusher bin, the bottom discharge port of the crusher is connected into a raw material bin through a lifting machine, a metering belt is correspondingly arranged below the bottom discharge port of the raw material bin, coal spraying machines are arranged on two sides of the fine coal bin and are connected into a calcining chamber through a coal spraying long pipe, a calcining kiln is arranged in the calcining chamber, the front end and the rear end of the calcining kiln are both positioned outside the calcining chamber, a feed hopper is arranged at the front end of the calcining kiln, a discharge hopper is arranged at the rear end of the fine coal bin and corresponds to the feed hopper below the tail end of the metering belt, and the discharge hopper is connected into a grinding machine through a second lifting machine.

Based on this, the utility model designs kinds of calcining device for thermal power plant's waste residue preparation gesso to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of calcining device for waste residue preparation gesso of thermal power plant to it is loaded down with trivial details to solve above-mentioned device operation process, has reduced work efficiency, and remaining moisture makes the gesso caking easily after calcining, influences the problem of use.

In order to achieve the purpose, the utility model provides a kinds of calcination device for preparing gypsum powder from waste residues of thermal power plants, which comprises a calcination chamber, wherein the top of the left side wall of the calcination chamber is provided with a feed inlet, the top of the feed inlet is provided with a material cover, the right side of the top of the calcination chamber is provided with a waste gas treatment device, a fixed plate is arranged between the tops of the left and right side walls of an inner cavity of the calcination chamber, the left and right sides of the bottom of the fixed plate are provided with circular chutes, the left and right sides of the top of the fixed plate are respectively provided with a feed inlet and a gas outlet, and the feed inlet and the gas outlet;

the rotary kiln comprises a calcining chamber and a fixed plate, wherein a rotating shaft is connected between the calcining chamber and the fixed plate in a rotating mode through a bearing, the bottom of the fixed plate is penetrated through the bottom of the rotating shaft, a motor is connected to the top of the rotating shaft, a spiral stirring blade is arranged on the outer side wall of the rotating shaft, an injection device is arranged between the spiral stirring blade and the fixed plate, a gas distribution plate is arranged between the bottoms of the left side wall and the right side wall of the calcining chamber, a discharge port is formed in the bottom of the right side wall of the calcining chamber, a sealing cover is arranged on the right side wall of the discharge port, a.

Preferably, exhaust treatment device includes the exhaust treatment case, the inner chamber of exhaust treatment case has set gradually filter layer and adsorbed layer from last to down, the gas port has been seted up at the top of exhaust treatment case.

Preferably, the injection device comprises a fixed connecting block arranged between the spiral stirring blade and the fixed plate, the left side wall and the right side wall of the fixed connecting block are provided with injection machines, the bottom of each injection machine is provided with a jet orifice, and the top of each injection machine is provided with a sliding block connected with the circular sliding groove in a sliding manner.

Preferably, the bottom of the calcining chamber is provided with a tuyere which is connected with an air heater.

Preferably, the inner side wall of the calcining chamber is uniformly provided with a plurality of groups of heating pipes.

Compared with the prior art, the beneficial effects of the utility model are that, simple structure, reasonable in design, 1 the utility model discloses a motor drives pivot pivoted and drives injection apparatus rotation when big, increases the scope of calcining, has improved the efficiency of calcining, 2 the utility model discloses a spiral stirring leaf, heating pipe and air heater's effect has improved the stoving speed of gesso for the evaporation of moisture, 3 the utility model discloses be provided with exhaust-gas treatment device, can absorb the waste gas that produces among the calcination process, make in clean gas emission to the air, promptly the utility model provides an kind calcine effectual, efficient calcining device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-calcining chamber, 2-feeding port, 3-waste gas treatment device, 31-waste gas treatment box, 32-filtering layer, 33-adsorption layer, 34-air port, 4-fixing plate, 5-feeding port, 6-air outlet, 7-rotating shaft, 8-spiral stirring blade, 9-gas distribution plate, 10-discharging port, 11-sealing cover, 12-supporting seat, 13-supporting foot rest, 14-spraying device, 141-fixing connecting block, 142-spraying machine, 143-spraying port, 144-sliding block, 15-circular chute, 16-air port, 17-hot air machine, 18-heating pipe, 19-material cover and 20-motor.

Detailed Description

The technical solution 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 , but not all embodiments.

Referring to fig. 1-2, the utility model provides technical solutions, kinds of calcination devices for preparing gypsum powder from waste residues of thermal power plants, including calcination chamber 1, a feed inlet 2 is provided at the top of the left side wall of calcination chamber 1, a material cover 19 is provided at the top of feed inlet 2, a waste gas treatment device 3 is provided at the right side of the top of calcination chamber 1, a fixed plate 4 is provided between the tops of the left and right side walls of the inner cavity of calcination chamber 1, circular chutes 15 are provided at the left and right sides of the bottom of fixed plate 4, a feed inlet 5 and a gas outlet 6 are respectively provided at the left and right sides of the top of fixed plate 4, feed inlet 5 and gas outlet 6 are respectively communicated with feed inlet;

the rotary shaft 7 is rotatably connected between the calcining chamber 1 and the fixing plate 4 through a bearing, the bottom of the fixing plate 4 is penetrated through the bottom of the rotary shaft 7, the top of the rotary shaft 7 is connected with a motor 20, the outer side wall of the rotary shaft 7 is provided with a spiral stirring blade 8, an injection device 14 is arranged between the spiral stirring blade 8 and the fixing plate 4, a gas distribution plate 9 is arranged between the bottoms of the left side wall and the right side wall of the inner cavity of the calcining chamber 1, a discharge port 10 is formed in the bottom of the right side wall of the calcining chamber 1, a sealing cover 11 is arranged on the right side wall of the discharge port 10, a supporting seat 12 is arranged at.

Wherein, exhaust treatment device 3 includes exhaust treatment case 31, and the inner chamber of exhaust treatment case 31 is from last to having set gradually filter layer 32 and adsorbed layer 33 down, and gas port 34 has been seted up at the top of exhaust treatment case 31.

The injection device 14 includes a fixed connection block 141 disposed between the spiral stirring blade 8 and the fixed plate 4, an injection machine 142 is disposed on the left and right side walls of the fixed connection block 141, an injection port 143 is disposed at the bottom of the injection machine 142, and a slider 144 slidably connected to the circular sliding groove 15 is disposed at the top of the injection machine 142.

Wherein, the bottom of calcining chamber 1 is equipped with wind gap 16, and wind gap 16 is connected with air heater 17, and through air heater 17 to the calcining chamber 1 drum hot-blast for the drying rate of gesso.

Wherein, the inside wall of calcining chamber 1 evenly is provided with multiunit heating pipe 18 for the stoving of the gypsum powder after calcining.

specific applications of the embodiment are that the device is a calcining device for preparing gypsum powder from waste residues of a thermal power plant, and is mainly suitable for preparing gypsum powder, when the device is used, the cover 19 is opened, gypsum powder is added into an inner cavity of the calcining chamber 1 from the feed inlet 2, the cover 19 is covered, the motor 20 is started, the injection device 14 is enabled to start to work, the motor 20 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the fixed connecting block 141 to rotate, the fixed connecting block 141 drives the two groups of injection machines 142 to rotate, the injection range of the injection machines 142 is increased, the calcining efficiency of the gypsum powder is improved, waste gas generated in the calcining process of the gypsum powder is adsorbed by the waste gas treatment device 3, the waste gas is prevented from being discharged into the air to affect the environment, after the calcining is completed, the injection machines 142 are stopped, at the moment, the heating pipes 18 and the hot air machines 17 start to work, the rotating shaft 7 drives the spiral stirring blades 8 to rotate, the drying speed of the gypsum powder is accelerated.

In the description herein, reference to the term " embodiments," "examples," "specific examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least embodiments or examples of the invention.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

The calcining device for preparing gypsum powder from waste residues of a thermal power plant comprises a calcining chamber (1) and is characterized in that a feed inlet (2) is formed in the top of the left side wall of the calcining chamber (1), a material cover (19) is arranged on the top of the feed inlet (2), a waste gas treatment device (3) is arranged on the right side of the top of the calcining chamber (1), a fixing plate (4) is arranged between the tops of the left side wall and the right side wall of an inner cavity of the calcining chamber (1), circular sliding grooves (15) are formed in the left side and the right side of the bottom of the fixing plate (4), a feed inlet (5) and a gas outlet (6) are formed in the left side and the right side of the top of the fixing plate (4), and the feed inlet (5) and the gas outlet (6) are communicated;

it is connected with pivot (7) to rotate through the bearing between calcining chamber (1) and fixed plate (4), the bottom of fixed plate (4) is passed to the bottom of pivot (7), the top of pivot (7) is connected with motor (20), the lateral wall of pivot (7) is provided with spiral stirring leaf (8), be provided with injection apparatus (14) between spiral stirring leaf (8) and fixed plate (4), be provided with gas distribution board (9) between the inner chamber left and right sides wall bottom of calcining chamber (1), discharge gate (10) have been seted up to the right side wall bottom of calcining chamber (1), the right side wall of discharge gate (10) is provided with sealed lid (11), the bottom of calcining chamber (1) is provided with supporting seat (12), the bottom left and right sides symmetry of supporting seat (12) is provided with support foot rest (13).
2. The calcining device for preparing gypsum powder from waste residues of thermal power plants as claimed in claim 1, wherein the waste gas treatment device (3) comprises a waste gas treatment box (31), the inner cavity of the waste gas treatment box (31) is sequentially provided with a filter layer (32) and an adsorption layer (33) from top to bottom, and the top of the waste gas treatment box (31) is provided with an air port (34).
3. The calcining device for preparing gypsum powder from waste residues of thermal power plants as claimed in claim 1, wherein the spraying device (14) comprises a fixed connecting block (141) arranged between the spiral stirring blade (8) and the fixed plate (4), spraying machines (142) are arranged on the left and right side walls of the fixed connecting block (141), a spraying port (143) is arranged at the bottom of each spraying machine (142), and a sliding block (144) slidably connected with the circular sliding groove (15) is arranged at the top of each spraying machine (142).
4. The calcining device for preparing gypsum powder from kinds of thermal power plant waste residues as claimed in claim 1, wherein a tuyere (16) is formed at the bottom of the calcining chamber (1), and the tuyere (16) is connected with a hot air blower (17).
5. The calcining device for preparing gypsum powder from kinds of thermal power plant waste residues according to claim 1, wherein multiple groups of heating pipes (18) are uniformly arranged on the inner side wall of the calcining chamber (1).