Fluidized bed furnace device for purifying and chlorinating quartz sand

Abstract

The utility model discloses a quartz sand purification chlorination fluidized bed furnace device which comprises a furnace body, one end of the furnace body is provided with a chlorine leading-in pipe, the other end of the furnace body is provided with an end cover through a plurality of groups of bolts, the end cover is externally connected with a waste discharge pipe communicated with the inside of the furnace body, and the section, extending into the furnace body, of the chlorine leading-in pipe is rotatably connected with the furnace body. A stirring plate is mounted on the outer wall of the section of the chlorine introducing pipe through a supporting rod, the stirring plate is tightly attached to the inner wall of the furnace body, an air hole plate is mounted at the end, extending into the furnace body, of the chlorine introducing pipe, and an anti-blocking head is mounted outside the air hole plate. By arranging the chlorine introducing pipe, chlorine can be introduced into the furnace body, the chlorine introducing pipe can rotate relative to the furnace body, then the supporting rod drives the shifting plate to shift quartz sand in the furnace body, the quartz sand accumulated at the bottom of the furnace body can be conveniently shifted and dispersed, the contact sufficiency of the quartz sand and the chlorine is improved, and the impurity removal effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quartz sand purification technical field especially is quartz sand purification chlorination boiling furnace device. BACKGROUND

[0002] The high-temperature chlorination purification technology of quartz sand raw materials is to use the structure reconstruction caused by the phase change (alpha phase, beta phase and gamma phase) of quartz crystal at different high temperatures to produce volume expansion and tear, and a large number of microcracks in the interior, and then generate low-boiling-point gaseous potassium chloride, sodium chloride and lithium chloride by the reaction of hydrogen chloride, chlorine gas and metal impurities in quartz sand, especially alkali metal impurities, so as to reduce the content of metal impurities in quartz sand raw materials and improve the purity of quartz sand.

[0003] The existing chlorination boiling furnace for quartz sand purification mainly drives the quartz sand in the furnace to shake and contact with chlorine gas by rotating the furnace body when in use, but the quartz sand at the bottom of the furnace body is accumulated thickly, which is not conducive to the full contact of chlorine gas and quartz sand, resulting in the problem of unsatisfactory chlorination effect.

[0004] Therefore, we propose the quartz sand purification chlorination boiling furnace device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing quartz sand purification chlorination boiling furnace device to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The quartz sand purification chlorination boiling furnace device comprises a furnace body, one end of the furnace body is provided with a chlorine gas introduction pipe, the other end of the furnace body is installed with an end cover through a plurality of groups of bolts, the end cover is connected with a waste pipe which is communicated with the furnace body, the chlorine gas introduction pipe is rotatably connected with the furnace body at the section of the chlorine gas introduction pipe which is inserted into the furnace body, a stirring plate is installed on the outer wall of the section of the chlorine gas introduction pipe through a support rod, the stirring plate is tightly attached to the inner wall of the furnace body, a gas hole plate is installed at the end of the chlorine gas introduction pipe which is inserted into the furnace body, and an anti-blocking head is installed outside the gas hole plate.

[0008] In a further embodiment, the furnace body adopts a shuttle-shaped structure which is wide in the middle and narrow at both ends.

[0009] In a further embodiment, the furnace body is composed of a main furnace chamber and a vice furnace cavity which is connected at both ends of the main furnace chamber, and a flange plate is arranged at the connecting port of the main furnace chamber and the vice furnace cavity, a plurality of groups of bolts and nuts are arranged between the flange plates to lock and connect them, and an electric heating coil and a heat preservation cover are sequentially arranged outside the main furnace chamber.

[0010] In a further embodiment, the inner ring port of the anti-blocking head adopts a horn-shaped structure.

[0011] In a further embodiment, the end of the chlorine gas introduction pipe extending out of the furnace body is coaxially fixed with a gear ring on the outer wall, and the gear ring is meshingly connected with a gear, and the shaft end of the gear is connected with a motor.

[0012] In a further embodiment, the end of the chlorine gas introduction pipe extending out of the furnace body is coaxially fixed with a gear ring on the outer wall, and the gear ring is meshingly connected with a gear, and the shaft end of the gear is connected with a motor.

[0013] In a further embodiment, the end of the chlorine gas introduction pipe extending out of the furnace body is coaxially fixed with a gear ring on the outer wall, and the gear ring is meshingly connected with a gear, and the shaft end of the gear is connected with a motor.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The chlorine gas introduction pipe can not only introduce chlorine gas into the furnace body, but also rotate relative to the furnace body, and then drive the quartz sand in the furnace body through the branch rod and the push plate, so that the quartz sand accumulated at the bottom of the furnace body is scattered, the contact of the quartz sand with the chlorine gas is improved, and the impurity removal effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a left front view of the utility model;

[0017] Figure 2 It is a right front view of the utility model;

[0018] Figure 3 It is a structure schematic view of the furnace body after being partially cut;

[0019] Figure 4 It is a structure schematic view of the anti-blocking head after being partially cut.

[0020] In the figure: 1, furnace body; 11, main furnace chamber; 111, electric heating coil; 112, heat preservation cover; 12, auxiliary furnace cavity; 13, flange plate; 2, chlorine gas introduction pipe; 21, air hole plate; 22, anti-blocking head; 23, rotary joint; 24, external connecting pipe; 3, waste pipe; 4, end cover; 5, branch rod; 6, push plate; 7, gear ring; 8, gear; 9, motor; 10, control valve. DETAILED DESCRIPTION

[0021] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0022] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-3 , quartz sand purification chlorination boiling furnace device, including furnace body 1, one end of furnace body 1 is equipped with chlorine gas introduction pipe 2, it is convenient to import chlorine gas into furnace body 1, and the other end of furnace body 1 is installed with end cover 4 through a plurality of groups of bolts, end cover 4 can be opened, it is convenient to pour quartz sand into furnace body 1 or take out the purified quartz sand, and in order to seal, sealing ring is arranged on the edge of end cover 4, so that the sealing property is better after end cover 4 is installed, the end cover 4 is connected with exhaust pipe 3 that communicates with furnace body 1 outside, it is convenient to discharge low-boiling-point gaseous potassium chloride, sodium chloride and lithium chloride, the section of chlorine gas introduction pipe 2 inserted into furnace body 1 is rotatably connected with furnace body 1, and the outer wall of the section of chlorine gas introduction pipe 2 is provided with a push plate 6 through a support rod 5, the push plate 6 is closely combined with the inner wall of furnace body 1, so that the chlorine gas introduction pipe 2 is rotated relative to furnace body 1, and then the push plate 6 is driven by the support rod 5 to push the quartz sand in furnace body 1, so as to scatter the quartz sand accumulated at the bottom of furnace body 1.

[0025] Please refer to Figures 1-3, the furnace body 1 adopts the shuttle-shaped structure of middle wide and both ends narrow, so that the quartz sand can be mainly concentrated in the middle of the furnace body 1 during the process of stirring the quartz sand, the furnace body 1 is composed of the main furnace 11 and the auxiliary furnace chamber 12 connected at both ends of the main furnace 11, the main furnace 11 has the cylindrical structure with the same size at both ends, and the auxiliary furnace chamber 12 has the tapered structure with the size of one end close to the main furnace 11 being larger than the size of the other end, and the connecting ports of the main furnace 11 and the auxiliary furnace chamber 12 are provided with the flanges 13, the flanges 13 are locked and connected through a plurality of groups of bolts and nuts, the main furnace 11 and the auxiliary furnace chamber 12 are convenient to disassemble, so that the internal maintenance in the later period is facilitated, meanwhile, the sealing rings should be arranged between the connecting surfaces of the flanges 13, so as to improve the sealing performance of the connecting portion, the main furnace 11 is further provided with the electric heating coil 111 and the heat preservation cover 112 in sequence, for heating the main furnace 11, so as to promote the escape of the low-boiling-point potassium chloride, sodium chloride and lithium chloride.

[0026] Please refer to Figure 1 , the outer wall of the section of the chlorine gas introduction pipe 2 extending out of the furnace body 1 is coaxially fixed with the gear ring 7, and the gear ring 7 is meshingly connected with the gear 8, the shaft rod end of the gear 8 is connected with the motor 9, the main body part of the motor 9 is fixed with the support supporting the furnace body 1, the motor 9 drives the gear 8 to rotate, the gear 8 drives the gear ring 7 to rotate, and the gear ring 7 drives the chlorine gas introduction pipe 2 to rotate, considering that the chlorine gas introduction pipe 2 is in the rotating state, in order to facilitate the connection with the chlorine gas supply equipment, the end head of the chlorine gas introduction pipe 2 extending out of the furnace body 1 is provided with the external connecting pipe 24 through the rotary joint 23, the external connecting pipe 24 is used for connecting the chlorine gas supply equipment, so as to ensure the stability of the chlorine gas entering.

[0027] Please refer to Figures 1-3 , the control valves 10 are arranged on the pipelines of the external connecting pipe 24 and the waste pipe 3, so that when the two control valves 10 are closed, the chlorine gas can be kept in the furnace body 1 for a long time to fully react with the quartz sand.

[0028] Please refer to Figure 4 , the end head of the chlorine gas introduction pipe 2 extending into the furnace body 1 is provided with the gas hole plate 21, so as to uniformly diffuse the chlorine gas, and the anti-blocking head 22 is arranged outside the gas hole plate 21, so as to prevent the falling quartz sand from falling into the chlorine gas introduction pipe 2 and blocking the gas hole plate 21, since the inner ring opening of the anti-blocking head 22 adopts the horn-shaped structure, the quartz sand falling into the inner ring opening of the anti-blocking head 22 will slide along the inclined surface under the action of gravity.

[0029] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0030] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A quartz sand purification chlorination fluidized bed furnace apparatus, comprising a furnace body (1), characterized in that: One end of the furnace body (1) is provided with a chlorine gas inlet pipe (2), and the other end of the furnace body (1) is installed with an end cap (4) by several sets of bolts. The end cap (4) is connected to a waste discharge pipe (3) that communicates with the inside of the furnace body (1). The section of the chlorine gas inlet pipe (2) that extends into the furnace body (1) is rotatably connected to the furnace body (1), and a lever plate (6) is installed on the outer wall of this section of the chlorine gas inlet pipe (2) by a support rod (5). The lever plate (6) is tightly fitted to the inner wall of the furnace body (1). A perforated plate (21) is installed at one end of the chlorine gas inlet pipe (2) that extends into the furnace body (1), and an anti-clogging head (22) is installed on the outside of the perforated plate (21).

2. The quartz sand purification chlorination fluidized bed furnace apparatus according to claim 1, characterized in that: The furnace body (1) adopts a spindle-shaped structure that is wide in the middle and narrow at both ends.

3. The quartz sand purification chlorination fluidized bed furnace apparatus according to claim 1, characterized in that: The furnace body (1) consists of a main furnace chamber (11) and an auxiliary furnace chamber (12) connected to both ends of the main furnace chamber (11). The connection ports of the main furnace chamber (11) and the auxiliary furnace chamber (12) are provided with flanges (13). The flanges (13) are connected by several sets of bolts and nuts. The main furnace chamber (11) is also provided with an electric heating coil (111) and a heat insulation cover (112) in sequence.

4. The quartz sand purification chlorination fluidized bed furnace apparatus according to claim 1, characterized in that: The inner ring of the anti-blocking head (22) adopts a flared structure.

5. The quartz sand purification chlorination fluidized bed furnace apparatus according to claim 1, characterized in that: A toothed ring (7) is coaxially fixed on a section of the outer wall of the chlorine inlet pipe (2) extending out of the furnace body (1), and a gear (8) is meshed with the lower part of the toothed ring (7), and the shaft end of the gear (8) is connected to the motor (9).

6. The quartz sand purification chlorination fluidized bed furnace apparatus according to claim 1, characterized in that: The end of the chlorine inlet pipe (2) extending outside the furnace body (1) is fitted with an external pipe (24) via a rotary joint (23).

7. The quartz sand purification chlorination fluidized bed furnace apparatus according to claim 6, characterized in that: Control valves (10) are installed on both the external pipe (24) and the waste discharge pipe (3).

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