Building gypsum calcining equipment with temperature regulation and control function

Abstract

The building gypsum calcining equipment with the temperature regulation and control function comprises a calcining furnace body of a cylindrical structure, a supporting frame supported on the ground is fixedly installed outside the lower end of the calcining furnace body, and a discharging pipe is fixedly installed at the lower end of the calcining furnace body. The interior of the calcining furnace body is divided into a combustion chamber and a calcining chamber, combustors arranged in a matrix mode are fixedly installed in the combustion chamber, the combustors are connected with a fuel gas conveying pipe located outside the calcining furnace body, and natural gas fuel is conveyed by the fuel gas conveying pipe. According to the building gypsum calcining equipment with the temperature regulation and control function, a novel structural design is adopted, the first electric control valve is intelligently regulated and controlled according to temperature data fed back by the temperature sensor, so that the first electric control valve is used for regulating the oxygen flow in the oxygen pipe and increasing or reducing the oxygen content in the combustion chamber, and the flame size is regulated; finally, the purpose of intelligent temperature regulation and control is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building gypsum calcination technical field, concretely is a kind of building gypsum calcination equipment with temperature regulation function. BACKGROUND

[0002] Building gypsum, also known as plaster, is a material widely used in the construction and decoration industry, which is formed by heating and dehydrating gypsum ore, and the main component is calcium sulfate dihydrate. In order to achieve dehydration during production, calcination operation is often performed using a calcination furnace.

[0003] In the prior art, a gypsum calcination furnace with the patent number CN202010589121.X is disclosed, which has an air inlet cavity at the lower part of the furnace body, an air inlet is formed on the upper part of the furnace body and communicates with the air inlet cavity, and a calcination zone is provided on the upper part of the furnace body. The calcination zone is provided with a heating pipe, a shaft is arranged between the center position of the gas distribution plate and the lower end plate, and a slag discharge slot is formed on the gas distribution plate. A scraper plate and a baffle are arranged on the shaft, a driving wheel is arranged on the shaft, internal teeth are arranged at the edge of the baffle, an intermediate gear is arranged between the outer edge of the baffle and the driving wheel and meshes with the internal teeth for transmission, a part of the driving wheel protrudes and cooperates with the intermediate gear to drive the scraper plate to move to the slag discharge slot, so that the baffle deviates from the slag discharge slot. A spring structure is arranged between the gas distribution plate and the baffle, which makes the baffle return to the position of shielding the slag discharge slot after the teeth of the driving wheel and the intermediate gear are separated, and the gas distribution plate is provided with a baffle edge for positioning the baffle.

[0004] Based on the above-mentioned materials, it is known that in the prior art, gypsum is generally calcined by heating, but in actual use, the calcination temperature is different, resulting in different gypsum products (i.e. the temperature determines how much water remains in the gypsum), so accurate control of the temperature during calcination is particularly important. INVENTION CONTENTS

[0005] The utility model aims to provide a building gypsum calcination equipment with temperature regulation function to solve the temperature control problem in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: A building gypsum calcining equipment with temperature regulation function, including the calcining furnace body of cylindrical structure, the support frame of supporting on the ground is fixedly installed to the calcining furnace body lower extreme outside, and the discharge pipe is fixedly installed to the calcining furnace body lower extreme, the calcining furnace body inside is two parts of combustion chamber and calcining chamber, and the combustion chamber inside fixedly installed has the combustor of matrix type arrangement, and the combustor is connected with the gas delivery pipe located the combustion chamber outside, the gas delivery pipe transports for natural gas fuel, the temperature sensor is fixedly installed to the calcining chamber inner wall, and two groups are symmetrically arranged on the temperature sensor, the gas mechanism for controlling its inside oxygen content is arranged to the combustion chamber side, communication linkage is between the gas mechanism and temperature sensor.

[0007] Preferably, the gas mechanism includes an oxygen pipe fixedly installed on the side of the lower end of the calcining furnace body, and the oxygen pipe is in communication with the combustion chamber, and a ventilation grille is fixedly installed on the side of the combustion chamber.

[0008] Preferably, a first electric control valve for controlling the oxygen flow of the oxygen pipe is fixedly installed on the outside of the oxygen pipe, and the first electric control valve receives data information of the temperature sensor through a Bluetooth signal.

[0009] Preferably, a collection cover is fixedly installed between the combustion chamber and the calcining chamber, and the collection cover is in the shape of a cone.

[0010] Preferably, a heating pipe is fixedly installed on the top of the collection cover and in communication therewith, the heating pipe is located inside the calcining chamber and has a spiral structure, and a second electric control valve for controlling the on-off of the heating pipe is fixedly installed on the bottom end of the heating pipe.

[0011] Preferably, a reflux pipe is fixedly installed on the top end of the heating pipe and in communication therewith, and the reflux pipe is in communication with the combustion chamber.

[0012] Preferably, a sealing cover is installed on the upper end of the calcining furnace body, an exhaust pipe with a valve and a pressure gauge for detecting the internal pressure of the calcining furnace body are fixedly installed on the top of the sealing cover, and a stirring rod driven by a motor is rotatably installed below the sealing cover.

[0013] Compared with the prior art, the building gypsum calcining equipment with temperature regulation function has the following beneficial effects:

[0014] 1. Natural gas is delivered to the combustor through the gas delivery pipe for combustion, thereby achieving the purpose of heating the calcining chamber and realizing the calcination operation of the gypsum material. In this process, the temperature sensor inside the calcining chamber monitors the calcination temperature in real time and feeds back.

[0015] Further, the first electric control valve is intelligently controlled according to the temperature data fed back by the temperature sensor, so that the oxygen flow in the oxygen pipe is adjusted by the first electric control valve, the oxygen content in the combustion chamber is increased or reduced, the flame size is adjusted, and finally the purpose of intelligently controlling the temperature is achieved.

[0016] Further, the gas in the calcination chamber is discharged by the exhaust pipe during the calcination process, and the pressure inside the calcination chamber can be monitored by the pressure gauge, so that the staff can timely adjust, and the stirring rod can stir the gypsum material, so that the gypsum material is heated more uniformly.

[0017] 2. When the combustion chamber is combusted, part of the hot air is collected by the collecting cover and enters the heating pipe, so that the gypsum material in the calcination chamber is heated by the heat exchange of the heating pipe, and the heat can be more uniformly absorbed by the gypsum material by using the heating pipe;

[0018] Further, the hot air of the heating pipe finally returns to the inside of the combustion chamber through the reflux pipe, the purpose of waste heat utilization is achieved, and energy consumption can be reduced to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a calcination furnace body internal structure schematic view of the utility model;

[0021] Figure 3 It is a stirring rod structure schematic view of the utility model;

[0022] Figure 4 It is a Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0023] Figure 5 It is a heating pipe structure schematic view of the utility model;

[0024] Figure 6 It is a collecting cover structure schematic view of the utility model.

[0025] In the figure: 1, calcination furnace body; 101, discharge pipe; 2, support frame; 3, sealing cover; 4, combustion chamber; 5, calcination chamber; 6, burner; 7, fuel gas conveying pipe; 8, temperature sensor; 9, exhaust pipe; 10, pressure gauge; 11, oxygen pipe; 12, first electric control valve; 13, ventilation grille; 14, collecting cover; 15, heating pipe; 16, reflux pipe; 17, second electric control valve; 18, stirring rod. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0027] Embodiment one: please refer to Figures 1-3 , in order to achieve the purpose of calcining gypsum, the technical scheme is provided as follows, specifically discloses: the calcining furnace body 1 of cylindrical structure, the support frame 2 supported on the ground is fixedly installed at the lower end of the calcining furnace body 1, and the discharge pipe 101 is fixedly installed at the lower end of the calcining furnace body 1, the calcining furnace body 1 is divided into two parts of the combustion chamber 4 and the calcining chamber 5, the combustion chamber 4 is fixedly installed with the burner 6 arranged in matrix, and the burner 6 is connected with the gas delivery pipe 7 located outside the calcining furnace body 1, the gas delivery pipe 7 delivers natural gas fuel, the sealing cover 3 is installed at the upper end of the calcining furnace body 1, the exhaust pipe 9 with valve and the pressure gauge 10 for detecting the pressure in the calcining furnace body 1 are fixedly installed above the sealing cover 3, and the stirring rod 18 driven by the motor is rotatably installed below the sealing cover 3.

[0028] When using the device, first open the sealing cover 3 and put the gypsum material to be calcined into the calcining chamber 5 in the calcining furnace body 1, then close the sealing cover 3, open the valve of the gas delivery pipe 7 to deliver natural gas to the burner 6, use the burner 6 to burn natural gas to achieve the purpose of heating and calcining in the calcining chamber 5, calcining makes the gypsum material dehydrate, and the sealing cover 3 above is opened during calcining to drive the stirring rod 18 to rotate, and the calcined gypsum material is stirred, at this time, the gas generated is discharged from the exhaust pipe 9, and the pressure in the calcining chamber 5 is monitored in real time by using the pressure gauge 10, and the dehydrated gypsum material is discharged from the discharge pipe 101 after calcining.

[0029] Embodiment two: please refer to Figure 2 , in order to achieve the purpose of temperature regulation, the technical scheme is provided as follows, specifically discloses: the temperature sensor 8 is fixedly installed on the inner wall of the calcining chamber 5, and two groups of temperature sensors 8 are symmetrically arranged above and below, the gas delivery mechanism for controlling the oxygen content in the combustion chamber 4 is arranged on the side of the combustion chamber 4, the gas delivery mechanism and the temperature sensor 8 are communicated and linked, the gas delivery mechanism comprises the oxygen pipe 11 fixedly installed on the side of the lower end of the calcining furnace body 1, the oxygen pipe 11 is communicated with the combustion chamber 4, the ventilation grille 13 is fixedly installed on the side of the combustion chamber 4, the first electric control valve 12 for controlling the oxygen flow of the oxygen pipe 11 is fixedly installed outside the oxygen pipe 11, and the first electric control valve 12 receives the data information of the temperature sensor 8 through Bluetooth signal.

[0030] In the process of calcination, oxygen is transported into the combustion chamber 4 by the oxygen pipe 11, so that the fuel can be normally combusted, and meanwhile, the temperature in the calcination chamber 4 is monitored in real time by the temperature sensor 8, when the temperature is too high or too low, the parameter of the first electric control valve 12 outside the oxygen pipe 11 is adjusted, so that the oxygen flow in the oxygen pipe 11 is changed, and finally the oxygen content in the combustion chamber 5 is changed, so that the purpose of adjusting the size of the flame is achieved, and the purpose of regulating the temperature in the calcination chamber 5 is achieved.

[0031] Embodiment three: please refer to Figures 4-6 In order to achieve the purpose of waste heat utilization, the embodiment provides the following technical scheme, and specifically discloses that the collecting cover 14 is fixedly installed between the combustion chamber 4 and the calcination chamber 5, and the collecting cover 14 is provided in a conical structure. The heating pipe 15 is fixedly installed above the collecting cover 14 and communicates with the collecting cover 14, the heating pipe 15 is located inside the calcination chamber 5 and is provided in a spiral structure, the second electric control valve 17 for controlling the on-off of the heating pipe 15 is fixedly installed at the bottom end of the heating pipe 15, and the reflux pipe 16 communicating with the heating pipe 15 is fixedly installed at the top end of the heating pipe 15, and the bottom end of the reflux pipe 16 and the combustion chamber 4 communicate with each other.

[0032] In the process of calcination, part of the hot air in the combustion chamber 4 enters the heating pipe 15 under the collecting action of the collecting cover 14, and the heat exchange between the heating pipe 15 and the gypsum material in the calcination chamber 5 is utilized to achieve the purpose of heating. The heating pipe 15 can extend into the gypsum material, so that the heating is more uniform. The hot air in the heating pipe 15 finally flows back to the combustion chamber 4 through the reflux pipe 16, so that the waste heat is utilized again.

[0033] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A building gypsum calcining device with temperature regulation function, comprising a calcining furnace body (1) in a cylindrical structure, a support frame (2) supported on the ground is fixedly installed on the lower end of the outer part of the calcining furnace body (1), and a discharge pipe (101) is fixedly installed on the lower end of the calcining furnace body (1), characterized in that, Also include: The calcination furnace body (1) is divided into two parts of combustion chamber (4) and calcination chamber (5), and the combustion chamber (4) is fixedly installed with the burner (6) arranged in matrix, and the burner (6) is connected with the gas delivery pipe (7) located outside the calcination furnace body (1), and the gas delivery pipe (7) delivers natural gas fuel; The temperature sensor (8) is fixedly installed on the inner wall of the calcination chamber (5), and two groups of temperature sensors (8) are symmetrically arranged on the temperature sensor (8); The combustion chamber (4) is provided with a gas feeding mechanism for controlling the oxygen content in the combustion chamber (4), and the gas feeding mechanism is communicated and linked with the temperature sensor (8).

2. The building gypsum calcining apparatus with temperature regulation function according to claim 1, characterized in that: The oxygen pipe (11) is fixedly installed on the side of the lower end of the calcination furnace body (1), and the oxygen pipe (11) is communicated with the combustion chamber (4), and the ventilation grille (13) is fixedly installed on the side of the combustion chamber (4).

3. The building gypsum calcining apparatus with temperature regulation function according to claim 2, characterized in that: The first electric control valve (12) is fixedly installed outside the oxygen pipe (11) for controlling the oxygen flow of the oxygen pipe (11), and the first electric control valve (12) receives data information of the temperature sensor (8) through Bluetooth signal.

4. The building gypsum calcining apparatus with temperature regulation function according to claim 1, characterized in that: The collecting cover (14) is fixedly installed between the combustion chamber (4) and the calcination chamber (5), and the collecting cover (14) is provided in a conical structure.

5. The building gypsum calcining apparatus with temperature regulation function according to claim 4, characterized in that: The heating pipe (15) is fixedly installed above the collecting cover (14) and communicated with the collecting cover (14), and the heating pipe (15) is located in the calcination chamber (5) and has a spiral structure, and the second electric control valve (17) is fixedly installed at the bottom end of the heating pipe (15) for controlling the on-off of the heating pipe (15).

6. The building gypsum calcining apparatus with temperature regulation function according to claim 5, characterized in that: The reflux pipe (16) is fixedly installed at the top end of the heating pipe (15) and communicated with the heating pipe (15), and the bottom end of the reflux pipe (16) is communicated with the combustion chamber (4).

7. The building gypsum calcining apparatus with temperature regulation function according to claim 1, characterized in that: The sealing cover (3) is installed on the upper end of the calcination furnace body (1), and the exhaust pipe (9) with valve and the pressure gauge (10) for detecting the pressure in the calcination furnace body (1) are fixedly installed above the sealing cover (3), and the stirring rod (18) driven by the motor is rotatably installed below the sealing cover (3).

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