Fluidized bed reactor

Abstract

The utility model relates to the technical field of chemical equipment, and provides a fluidized bed reactor which comprises a barrel, a first gas supply part and at least two second gas supply parts. The barrel comprises a reaction cavity. The first gas supply part is arranged at the bottom of the cylinder body and is communicated with the reaction cavity; the at least two second gas supply pieces are arranged at intervals in the circumferential direction of the barrel body and are communicated with the reaction cavity; each second air supply part is provided with at least two outlets, and the outlets of the second air supply parts are higher than the outlets of the first air supply parts in the vertical direction. And at least a part of the outlets of the second gas supply pieces are oppositely arranged in the reaction cavity. Through the arrangement, the productivity of the fluidized bed reactor can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of chemical equipment, and in particular to a fluidized bed reactor. Background Art

[0002] At present, the core equipment for the production of trichlorosilane and organosilicon is the fluidized bed reactor. The production of trichlorosilane is to pass hydrogen chloride gas and silicon powder into the reactor, and the trichlorosilane gas produced by the chemical reaction between the two can be used in the subsequent production of crystalline silicon. The production of organosilicon is to pass methyl chloride gas and silicon powder into the reactor, and the dimethyldichlorosilane gas produced by the chemical reaction between the two can be used in the subsequent production of organosilicon.

[0003] However, as the application of crystalline silicon and organosilicon becomes more and more widespread, new requirements are put forward for the production capacity of trichlorosilane and organosilicon. Therefore, a fluidized bed reactor that can improve the production capacity is urgently needed. Utility Model Content

[0004] The present application provides a fluidized bed reactor, which can improve the production capacity of the fluidized bed reactor.

[0005] In order to achieve the above objectives, this application adopts the following technical solutions:

[0006] The present application provides a fluidized bed reactor, comprising:

[0007] A cylinder, the cylinder comprising a reaction chamber;

[0008] A first gas supply member, which is disposed at the bottom of the cylinder and communicated with the reaction chamber;

[0009] At least two second gas supply members, which are arranged at intervals along the circumference of the cylinder and are both connected to the reaction chamber;

[0010] Each of the second air supply members has at least two outlets, and the outlet of each of the second air supply members is higher than the outlet of the first air supply member in the vertical direction;

[0011] At least a portion of the outlets of the second gas supply members are arranged opposite to each other in the reaction chamber.

[0012] As a possible implementation, the second air supply member includes a first sub-port and a second sub-port;

[0013] The first sub-outlets and the second sub-outlets of each of the second air supply members are arranged alternately in sequence along the same direction of the circumference of the body;

[0014] Among at least two of the second air supply members, the first sub-outlet of one is opposite to the second sub-outlet of the other one.

[0015] As a possible implementation manner, there are multiple second air supply members, and the multiple second air supply members are arranged along the circumference of the cylinder;

[0016] In adjacent second air supply members, the first sub-outlet of one and the second sub-outlet of the other are opposite to each other.

[0017] As a possible implementation manner, an air supply direction of the first sub-outlet and an air supply direction of the second sub-outlet have an included angle.

[0018] As a possible implementation manner, the fluidized bed reactor further comprises a distribution member located in the reaction chamber, wherein along the vertical direction, the distribution member is located between the first gas supply member and the second gas supply member, and the distribution member divides the reaction chamber into a first chamber and a second chamber;

[0019] The distribution member has first communication holes distributed in an array, and the first communication holes communicate with the first chamber and the second chamber.

[0020] As a possible implementation manner, along the vertical direction, the first gas supply member introduces reaction gas into the first chamber;

[0021] The air supply direction of each of the second air supply members intersects with the air supply direction of the first air supply members.

[0022] As a possible implementation manner, the fluidized bed reactor further includes a third gas supply member, and a portion of the third gas supply member is located in the first chamber;

[0023] The distribution member has a second connecting hole, and the third gas supply member is connected to the second chamber through the second connecting hole, and introduces the reaction gas into the second chamber along the vertical direction.

[0024] As a possible implementation manner, the fluidized bed reactor further includes a discharge pipe, and a portion of the discharge pipe is located in the first chamber;

[0025] The distribution member has a third communicating hole, and the discharge pipe is connected with the second chamber and the outside of the cylinder through the third communicating hole.

[0026] As a possible implementation manner, the fluidized bed reactor further comprises a feed pipe, which is disposed on a side of the cylinder and communicated with the reaction chamber;

[0027] Along the vertical direction, the outlet of the feed pipe is higher than each of the second gas supply members;

[0028] The feed pipe introduces a reaction solid into the reaction chamber, and the reaction solid reacts with the reaction gas to generate a reaction substance.

[0029] As a possible implementation manner, the top of the cylinder has an opening, and the opening is arranged at the top of the cylinder along the vertical direction, and the opening is used for the reaction material in the cylinder to be discharged.

[0030] The present application provides a fluidized bed reactor, wherein the cylinder has a reaction chamber, and the reaction chamber is used to accommodate reaction gases and reaction solids to ensure that the reaction gases and reaction solids can smoothly undergo chemical reactions in the cylinder, and at the same time, ensure that the chemical reactions in the cylinder will not cause harm to the human body, thereby improving the safety of the fluidized bed reactor. The first gas supply member and the second gas supply member are both arranged on the cylinder, and the first gas supply member and the second gas supply member both introduce reaction gases into the reaction chamber of the cylinder. The first gas supply member is arranged at the bottom of the cylinder, the second gas supply member is arranged on the peripheral side of the cylinder, and there are at least two second gas supply members, and at least two second gas supply members are arranged at intervals along the circumference of the cylinder, so that the second gas supply member can introduce reaction gases into the reaction chamber at multiple angles. At the same time, due to the different positions of the first gas supply member and the second gas supply member, it is beneficial for the reaction gas to form turbulence in the reaction chamber, so as to improve the reaction rate and reaction effect, and then improve the production capacity of the fluidized bed reactor. The outlets of a part of the second gas supply members are arranged relatively to each other in the reaction chamber, which can prevent the outlets of the second gas supply members from being blocked, thereby ensuring the smooth operation of the fluidized bed reactor, thereby helping to improve the production capacity of the fluidized bed reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 A schematic diagram of a fluidized bed reactor provided in an embodiment of the present application;

[0033] Figure 2 for Figure 1 A partial enlarged view of part I;

[0034] Figure 3 A schematic diagram of a second gas supply member in a fluidized bed reactor provided in an embodiment of the present application;

[0035] Figure 4 A top view of a distribution member in a fluidized bed reactor provided in an embodiment of the present application;

[0036] Figure 5 for Figure 1 A partial enlarged view of part II;

[0037] Figure 6 for Figure 1 A partial enlarged view of part III;

[0038] Figure 7 A top view of a support member in a fluidized bed reactor provided in an embodiment of the present application;

[0039] Figure 8 A cross-sectional view of a heat transfer pipe in a fluidized bed reactor provided in an embodiment of the present application;

[0040] Fig. 9 This is a schematic diagram of the connection principle of the heat pipes in the fluidized bed reactor provided in the embodiment of the present application.

[0041] Description of reference numerals:

[0042] 100- fluidized bed reactor;

[0043] 110-barrel; 111-reaction chamber; 1111-first chamber; 1112-second chamber; 112-opening;

[0044] 120-first air supply member;

[0045] 130 - second air supply member; 131 - first sub-outlet; 132 - second sub-outlet;

[0046] 140 - distribution member; 141 - first communication hole; 142 - second communication hole; 143 - third communication hole;

[0047] 150 - third gas supply member; 160 - discharge pipe; 170 - supply pipe;

[0048] 180-heat pipe; 181-support member; 182-connector; 183-heat-conducting sleeve; 184-first protective member; 185-second protective member;

[0049] 190-separator; 191-discharging leg;

[0050] 200-Support seat. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0052] In order to overcome the defects in the prior art, the present application provides a fluidized bed reactor, including a cylinder, a first gas supply member and at least two second gas supply members, the first gas supply member and the second gas supply member are both arranged on the cylinder, and the first gas supply member and the second gas supply member both introduce reaction gas into the reaction chamber. The height of the second gas supply member in the vertical direction is higher than that of the first gas supply member, and the two second gas supply members are arranged at intervals along the circumference of the cylinder, so that the reaction gas can form turbulence to better disperse the reaction solids, improve the reaction effect and thus increase the production capacity. The second gas supply member has at least two outlets, and the outlets of at least part of the second gas supply members are arranged relative to each other in the reaction chamber to prevent the outlets of the second gas supply members from being blocked by the reaction solids, thereby making the flow of the reaction solids smooth, further improving the reaction efficiency and reaction effect of the reaction gas and the reaction solids, and then helping to increase the production capacity of the fluidized bed reactor.

[0053] The contents of the present application will be described in detail below in conjunction with the accompanying drawings so that those skilled in the art can understand the contents of the present application more clearly and in detail.

[0054] Combination Figure 1-Figure 3 As shown, an embodiment of the present application provides a fluidized bed reactor 100 , including: a cylinder 110 , a first gas supply member 120 and at least two second gas supply members 130 .

[0055] The cylinder 110 includes a reaction chamber 111. The first gas supply member 120 is disposed at the bottom of the cylinder 110 and communicated with the reaction chamber 111. At least two second gas supply members 130 are disposed at intervals along the circumference of the cylinder 110 and communicated with the reaction chamber 111; each second gas supply member 130 has at least two outlets, and the outlet of each second gas supply member 130 is higher than the outlet of the first gas supply member 120 in the vertical direction. The outlets of at least some of the second gas supply members 130 are disposed opposite to each other.

[0056] According to the fluidized bed reactor 100 provided in the embodiment of the present application, the cylinder 110 has a reaction chamber 111, and the reaction chamber 111 is used to accommodate the reaction gas and the reaction solid, so as to ensure that the reaction gas and the reaction solid can smoothly react chemically in the cylinder 110, and at the same time, ensure that the chemical reaction in the cylinder 110 will not cause harm to the human body, thereby improving the safety of the fluidized bed reactor 100. The first gas supply member 120 and the second gas supply member 130 are both arranged on the cylinder 110, and the first gas supply member 120 and the second gas supply member 130 both pass the reaction gas into the reaction chamber 111 of the cylinder 110. The first gas supply member 120 is arranged at the bottom of the cylinder 110, and the second gas supply member 130 is arranged on the peripheral side of the cylinder 110, and there are at least two second gas supply members 130, and at least two second gas supply members 130 are arranged at intervals along the circumference of the cylinder 110, so that the second gas supply member 130 can pass the reaction gas into the reaction chamber 111 at multiple angles. At the same time, due to the different positions of the first gas supply member 120 and the second gas supply member 130, it is beneficial for the reaction gas to form turbulence in the reaction chamber 111, so as to improve the reaction rate and reaction effect, and then improve the production capacity of the fluidized bed reactor 100. The outlets of a part of the second gas supply members 130 are arranged relatively to prevent the outlets of the second gas supply members 130 from being blocked, so as to ensure the smooth operation of the fluidized bed reactor 100, thereby helping to improve the production capacity of the fluidized bed reactor 100.

[0057] The specific structure of the fluidized bed reactor 100 and various possible implementations are described in detail below.

[0058] The fluidized bed reactor 100 is a solid-gas reactor, in which the gas and solid participating in the reaction are introduced into the fluidized bed reactor 100, and the gas and solid undergo a chemical reaction to generate a reaction substance. For example, the gas participating in the reaction may be hydrogen chloride, and the solid participating in the reaction may be silicon powder. Accordingly, the reaction substance generated after the reaction is gaseous trichlorosilane, and the by-product generated during the reaction is silicon tetrachloride. The gas participating in the reaction may also be methyl chloride, and the solid participating in the reaction may be solid silicon powder. Accordingly, the reaction substance generated after the reaction is gaseous dimethyldichlorosilane. Of course, the gas and solid participating in the reaction are not limited to the substances described above, but may also be other materials, and this application does not limit this.

[0059] It is understandable that the outer shape of the cylinder 110 can be a quasi-circular column or a polygonal column, and this section does not make specific requirements on the outer shape of the cylinder 110. The cylinder 110 has a reaction chamber 111, and the inner shape of the reaction chamber 111 is not required in this section, as long as it can accommodate the required reaction solids and reaction gases and provide a containing space for the reaction solids and reaction gases to undergo chemical reactions.

[0060] The first gas supply member 120 is disposed at the bottom of the cylinder 110, and is connected to the reaction chamber 111, and the reaction gas is passed into the reaction chamber 111. The first gas supply member 120 can be disposed on the bottom wall of the cylinder 110, or on the bottom of the side wall of the cylinder 110. This section does not require the specific position of the first gas supply member 120 on the cylinder 110. It is only necessary to ensure that the first gas supply member 120 is connected to the cylinder 110, and the reaction gas is passed into the reaction chamber 111.

[0061] Furthermore, the second gas supply member 130 is arranged on the peripheral side of the cylinder 110, and the second gas supply member 130 can pass the reaction gas into the reaction chamber 111. In addition, along the vertical direction, the height of the outlet of the second gas supply member 130 in the reaction chamber 111 is higher than the outlet of the first gas supply member 120, so that after the reaction gas passes into the reaction chamber 111 from different positions of the cylinder 110, it is easy to form turbulence to mix with the reaction solid in the reaction chamber 111 and react chemically. It can be understood that the formed turbulence is easy to disperse the reaction solid, thereby improving the reaction effect and further improving the production capacity of the fluidized bed reactor 100.

[0062] In the present embodiment, there may be two second gas supply members 130, and the two second gas supply members 130 are arranged at intervals along the circumference of the cylinder 110. In this way, the second gas supply members 130 can introduce reaction gases into the reaction chamber 111 from multiple angles, which is convenient for controlling the delivery amount of the reaction gases and controlling the rate of the chemical reaction. At the same time, the mutual cooperation between the first gas supply member 120 and the second gas supply member 130 is more conducive to the formation of turbulence and the flow of the reaction gases, so as to improve the reaction effect and the production capacity of the reaction substances.

[0063] Each of the second gas supply members 130 has at least two outlets, and the outlets of a portion of the second gas supply members 130 are arranged opposite to each other. In this way, during the flow of the reaction gas, the reaction gas can counteract the outlets of the second gas supply members 130 arranged opposite to each other, effectively preventing the reaction solids from blocking the outlets of the second gas supply members 130, thereby ensuring the continuous and stable flow of the reaction gas, ensuring the reaction effect, and steadily improving the production capacity of the fluidized bed reactor 100.

[0064] It should be noted that the number of second air supply members 130 may be 4, 6, 8, etc., and is not limited to the number mentioned in the above examples. This section does not make specific requirements on the number of second air supply members 130. When there are two or more second air supply members 130, the outlets of adjacent second air supply members 130 may be opposite, or the outlets of spaced second air supply members 130 may be opposite. In addition, the number of outlets of the second air supply member 130 may be multiple, for example, 3, 4, etc., and no specific requirements are made for this.

[0065] Possibly, see Figure 3The second air supply member 130 includes a first sub-outlet 131 and a second sub-outlet 132; the first sub-outlet 131 and the second sub-outlet 132 of the second air supply member 130 are arranged alternately in sequence along the same direction of the circumference of the cylinder 110; among at least two second air supply members 130, the first sub-outlet 131 of one and the second sub-outlet 132 of the other are opposite.

[0066] It can be understood that when the second air supply member 130 has two or more outlets, the outlet of the second air supply member 130 includes a first sub-outlet 131 and a second sub-outlet 132, and the first sub-outlet 131 and the second sub-outlet 132 of each second air supply member 130 are adjacent to each other in the same direction of the circumference of the cylinder 110, or are arranged at intervals.

[0067] Correspondingly, when there are two or more second air supply parts 130, the second air supply parts 130 are arranged at intervals along the circumference of the cylinder 110. At this time, the first sub-outlet 131 and the second sub-outlet 132 of adjacent second air supply parts 130 may be opposite to each other, or the first sub-outlet 131 and the second sub-outlet 132 of the interval second air supply parts 130 may be opposite to each other.

[0068] Thus, this embodiment can ensure that the first sub-outlets 131 and the second sub-outlets 132 of at least two second gas supply members 130 are opposite to each other through such an arrangement, thereby reducing the outlet blockage of the second gas supply member 130 and improving the smoothness of the reaction gas flow.

[0069] Specifically, Figure 3 As shown, there are multiple second gas supply members 130, and the multiple second gas supply members 130 are arranged along the circumference of the cylinder 110; the first sub-outlet 131 of one of the adjacent second gas supply members 130 is opposite to the second sub-outlet 132 of the other. In this way, the first sub-outlets 131 and the second sub-outlets 132 of the multiple second gas supply members 130 are arranged opposite to each other, so that the first sub-outlet 131 and the second sub-outlet 132 of each second gas supply member 130 can be guaranteed not to be blocked by the reaction solid.

[0070] It is possible that the gas supply direction of the first sub-outlet 131 and the gas supply direction of the second sub-outlet 132 have an angle. That is, there is an angle between the first sub-outlet 131 and the second sub-outlet 132, and the first sub-outlet 131 and the second sub-outlet 132 have different directions on the second gas supply member 130. It should be noted that the present application does not make specific requirements on the size of the angle between the first sub-outlet 131 and the second sub-outlet 132 on the same second gas supply member 130, and it is only necessary to ensure that the first sub-outlet 131 and the second sub-outlet 132 of the adjacent second gas supply members 130 are opposite to each other in the reaction chamber 111.

[0071] For example, the first air supply member 120 in the present application may be a pipe, and the second air supply member 130 may be a combination of a pipe and a nozzle. One side of the pipe is connected to the inner wall of the barrel 110, and the other side is connected to the nozzle, and the nozzle has at least two outlets.

[0072] Optional, combined Figure 1 , Figure 2 and Figure 4 The fluidized bed reactor 100 further includes a distribution member 140 located in the reaction chamber 111. In the vertical direction, the distribution member 140 is located between the first gas supply member 120 and the second gas supply member 130. The distribution member 140 divides the reaction chamber 111 into a first chamber 1111 and a second chamber 1112. The distribution member 140 has first connecting holes 141 distributed in an array, and the first connecting holes 141 connect the first chamber 1111 and the second chamber 1112. In this way, the reaction gas enters the first chamber 1111 from the bottom of the cylinder 110, and then enters the second chamber 1112 through the first connecting holes 141 distributed in an array on the distribution member 140, so that the reaction gas can be evenly distributed in the reaction chamber 111, thereby improving the reaction effect of the reaction gas and the reaction solid, and further improving the production capacity of the reaction substance.

[0073] It should be noted that the distribution member 140 can be a straight member or a conical member. The distribution member 140 is in the reaction chamber 111 and is detachably connected to the inner wall of the cylinder 110 to facilitate the disassembly and maintenance of the distribution member 140. The first connecting holes 141 on the distribution member 140 are distributed in an array. It can be understood that the first connecting holes 141 can use the center of the distribution member 140 as the array origin and be arranged in an equal spacing or non-uniform spacing. In this way, after the reaction gas enters the second chamber 1112 from the first chamber 1111 through each of the first connecting holes 141, the reaction gas is dispersed more evenly, thereby improving the reaction effect of the reaction gas and the reaction solid.

[0074] Possibly, a distributor (not shown in the figure) may be provided on the distribution member 140, and the distributor and the first connecting hole 141 on the distribution member 140 are provided in a one-to-one correspondence, and the distributor and the distribution member 140 are detachably connected to each other so as to replace the distributor. The first connecting hole 141 may be a threaded hole, and the distributor and the distribution member 140 are threadedly connected through the first connecting hole 141. The distributor has a through hole, and the through hole connects the first chamber 1111 and the second chamber 1112, and the reaction gas enters the second chamber 1112 from the first chamber 1111 through the upper through hole on the distributor.

[0075] In some embodiments, the first gas supply member 120 passes the reaction gas into the first chamber 1111 in the vertical direction; the gas supply direction of each second gas supply member 130 intersects with the gas supply direction of the first gas supply member 120. In this way, the reaction gas is passed into the reaction chamber 111 from different positions and angles, which makes it easier to form turbulence, and can disperse the reaction solids to have good contact with the reaction solids, thereby improving the reaction rate and reaction effect, and then helping to improve the production capacity of the fluidized bed reactor 100. The first gas supply member 120 passes the reaction gas into the first chamber 1111, and the reaction gas enters the second chamber 1112 uniformly from the first chamber 1111 through the distribution member 140.

[0076] It should be noted that the vertical direction mentioned in the present application refers to the extension direction of the cylinder 110. In other words, the fluidized bed reactor 100 of this part is vertical.

[0077] Possible, combined Figure 1 , Figure 2 , Figure 4 The fluidized bed reactor 100 further includes a third gas supply member 150, which is partially located in the first chamber 1111; the distribution member 140 has a second connecting hole 142, and the third gas supply member 150 is connected to the second chamber 1112 through the second connecting hole 142, and the reaction gas is introduced into the second chamber 1112 in a vertical direction. In this way, the reaction gas is introduced into the reaction chamber 111 through the third gas supply member 150, and the way for the reaction gas to enter the reaction chamber 111 is increased, so as to improve the flexibility of the fluidized bed reactor 100 and further improve the production efficiency and capacity of the reaction material.

[0078] As a possible implementation method, still combined with Figure 1 , Figure 2 , Figure 4 The fluidized bed reactor 100 further includes a discharge pipe 160, which is partially located in the first chamber 1111; the distribution member 140 has a third connecting hole 143, and the discharge pipe 160 is connected to the second chamber 1112 and the outside of the cylinder 110 through the third connecting hole 143. When the reaction solids are deposited on the distribution member 140, they can be discharged from the third connecting hole 143 on the distribution member 140, and discharged to the outside of the cylinder 110 through the discharge pipe 160, thereby reducing the probability of the reaction solids blocking the first connecting hole 141 on the distribution member 140, and ensuring the uniformity of the reaction gas flowing through the distribution member 140. At the same time, due to the provision of the third connecting hole 143, the reaction solids deposited on the distribution member 140 can be discharged continuously, so that the interval of shutdown and maintenance can be effectively extended, ensuring the working continuity of the fluidized bed reactor 100, so that the fluidized bed reactor 100 can operate for a long period of time.

[0079] It should be noted that the number of the third connecting holes 143 can be multiple, and the multiple third connecting holes 143 are distributed at intervals along the circumference of the distribution member 140. Accordingly, the discharge pipe 160 and the corresponding end of the distribution member 140 have multiple inlets, and the inlets of the discharge pipe 160 and the third connecting holes 143 are arranged one by one. In this way, the reaction solids deposited on the distribution member 140 enter the discharge pipe 160 through each third connecting hole 143 and are discharged from the outside of the cylinder 110. The provision of multiple third connecting holes 143 can also reduce the probability of the reaction solids deposited on the distribution member 140 blocking the third connecting holes 143, thereby making the deposited reaction solids discharged more smoothly.

[0080] See also Figure 1 The fluidized bed reactor 100 further includes a feed pipe 170, which is disposed on the side of the cylinder 110 and is connected to the reaction chamber 111; in the vertical direction, the outlet of the feed pipe 170 is higher than each second gas supply member 130; the feed pipe 170 introduces a reaction solid into the reaction chamber 111, and the reaction solid reacts with the reaction gas to generate a reaction substance. In this way, when the reaction solid enters the reaction chamber 111, it will be dispersed by the turbulence formed by the reaction gas in the reaction chamber 111, so that the reaction gas and the reaction solid can be better contacted, thereby improving the reaction rate and reaction effect, and further improving the overall production capacity of the fluidized bed reactor 100.

[0081] Possibly, the top of the cylinder 110 has an opening 112, which is arranged at the top of the cylinder 110 in the vertical direction, and the opening 112 is used to discharge the reaction material in the cylinder 110. In this way, the reaction material is easily discharged from the reaction chamber 111 to achieve stable continuous production.

[0082] Combination Figure 1 , Figure 5-Figure 9 The fluidized bed reactor 100 further includes a heat pipe 180 and a support 181 located in the reaction chamber 111. The heat pipe 180 is inserted through the support 181, and the support 181 is connected to the inner wall of the cylinder 110; the first heat transfer medium in the heat pipe 180 is thermally connected to the reaction chamber 111. In this way, the heat pipe 180 is relatively stably connected to the cylinder 110 through the support 181, and the first heat transfer medium flowing in the heat pipe 180 is thermally connected to the reaction chamber 111, so that part of the heat in the reaction chamber 111 is taken away by the flow of the first heat transfer medium in the heat pipe 180, thereby realizing temperature control in the reaction chamber 111, so as to control the reaction rate and reaction effect, reduce the formation of reaction by-products, and improve the production capacity and purity of the reactants.

[0083] Illustratively, the support member 181 may be a grid structure.

[0084] Possibly, adjacent heat pipes 180 are supported and welded by connectors 182 to keep the heat pipes 180 stable in the reaction chamber 111. The orthographic projection of each heat pipe 180 on a horizontal plane is displayed in a hexagonal structure array. Of course, each heat pipe 180 can also be arranged in a square, which is convenient for cleaning and purging of the heat pipe 180, improving the reaction efficiency of the fluidized bed reactor 100, and further improving the production capacity of the reaction material.

[0085] Exemplarily, there may be 160 heat conducting pipes 180 in the reaction chamber 111, with 10 in each group, and the 10 heat conducting pipes 180 in each group are connected in series, forming a total of 16 groups of heat conducting pipes 180 connected in series, and then the 16 groups of heat conducting pipes 180 connected in series are connected in parallel in pairs, forming 8 groups of independent parallel heat conducting pipes 180. Each group of heat conducting pipes 180 has an inlet and an outlet for a first heat conducting medium, forming a total of 8 inlets and outlets for the first heat conducting medium. The 8 inlets and outlets for the first heat conducting medium are arranged in sequence along the circumference of the cylinder 110.

[0086] The fluidized bed reactor 100 further includes a multi-stage heat-conducting sleeve 183, which is sequentially spaced along the axial direction of the barrel 110, and each heat-conducting sleeve 183 is coiled on the outer wall of the barrel 110; the second heat-conducting medium in the heat-conducting sleeve 183 is thermally conductive to the barrel 110. In this way, the temperature in the reaction chamber 111 is further reduced by connecting the heat-conducting sleeve 183 to the outer wall of the barrel 110, which is conducive to reducing the generation of reaction by-products, improving the purity and production capacity of the reaction substances, and at the same time, it can also protect the barrel 110 to prevent the barrel 110 from being damaged by excessive temperature. In addition, each heat conduction is independent of each other, so that the temperature of the barrel 110 is easy to control.

[0087] It should be noted that the first heat-conducting medium and the second heat-conducting medium in the present application can be the same substance or different substances. For example, the first heat-conducting medium and the second heat-conducting medium can be thermal grease. In this way, the temperature inside the reaction chamber 111 is maintained at 320°C-360°C through the heat-conducting pipe 180 and the heat-conducting sleeve 183 in the present application.

[0088] Furthermore, the fluidized bed reactor 100 further includes a first protective member 184 and a second protective member 185, which are stacked and wrap each heat-conducting sleeve 183. In this way, the heat-conducting sleeve 183 is prevented from being damaged during the transportation of the fluidized bed reactor 100, thereby improving the safety and stability of the fluidized bed reactor 100 and further ensuring the production capacity of the fluidized bed reactor 100.

[0089] Exemplarily, the first protective member 184 is a metal plate, such as an aluminum plate, etc., and the second protective member 185 is a heat-insulating plate, such as high-temperature resistant glass wool, etc. In this way, by setting the first protective member 184 and the second protective member 185, the temperature in the reaction chamber 111 can be kept stable in some special temperature environments, thereby improving the purity and production capacity of the reaction substances.

[0090] The fluidized bed reactor 100 further includes at least one separator 190, which is disposed at the opening 112 of the cylinder 110; the separator 190 is configured to separate the reaction solid from the reaction material, and pass the separated reaction solid into the reaction chamber 111. In this way, the reaction material is separated from the reaction solid, thereby preventing the reaction solid from being carried out by the reaction material, resulting in a waste of materials. Possibly, the number of separators 190 can be one or more. The separator 190 can be disposed inside the cylinder 110, or it can be disposed outside the cylinder 110.

[0091] Combination Figure 1 , Figure 5 When the separator 190 is disposed in the barrel 110, the inlet of the separator 190 is connected to the reaction chamber 111, and the outlet of the separator 190 is connected to the opening 112 on the barrel 110, so that the reaction material enters the separator 190 through the inlet of the separator 190, and the reaction material is discharged through the outlet and the opening 112 on the barrel 110. The reaction solid separated from the reaction material returns to the reaction chamber 111 through the discharge leg 191 of the separator 190, and then continues to participate in the reaction.

[0092] Of course, in some embodiments, the separator 190 and the discharge leg 191 are detachably connected, and an additional discharge leg 191 can be arranged on the cylinder 110 as a backup, and when one of the discharge legs 191 is blocked, it can be replaced in time. In addition, the discharge leg 191 can be stably arranged in the reaction chamber 111 through the support member 181.

[0093] Possibly, the fluidized bed reactor 100 further includes a temperature sensor, a pressure sensor and a controller. The temperature sensor and the pressure sensor are both electrically connected to the controller, the temperature sensor is used to detect the temperature in the reaction chamber 111, the pressure sensor is used to detect the pressure in the reaction chamber 111, the controller responds to the signals of the pressure sensor and the temperature sensor, and feeds back the relevant temperature information and pressure information, so that the staff can control the fluidized bed reactor 100 according to the real-time monitoring data, thereby improving the reaction rate of the fluidized bed reactor 100 and further improving the production capacity of the reaction material.

[0094] Possible, combined Figure 1 , Figure 6The fluidized bed reactor 100 further includes a support base 200, which can be arranged on a side of the heat-conducting sleeve 183 away from the cylinder 110, and relatively fixedly connected to the heat-conducting sleeve 183, for example, by welding, etc. It can not only meet the heat dissipation of the cylinder 110 by the heat-conducting sleeve 183, but also facilitate the support and transportation of the cylinder 110.

[0095] The fluidized bed reactor 100 provided in the present application comprises: a cylinder 110, a first gas supply member 120 and at least two second gas supply members 130. The cylinder 110 comprises a reaction chamber 111. The first gas supply member 120 is arranged at the bottom of the cylinder 110 and is connected to the reaction chamber 111. At least two second gas supply members 130 are arranged at intervals along the circumference of the cylinder 110, and are both in the reaction chamber 111; each second gas supply member 130 has at least two outlets, and the outlet of each second gas supply member 130 is higher than the outlet of the first gas supply member 120 in the vertical direction. The outlets of at least a part of the second gas supply members 130 are arranged relatively. Through such an arrangement, the production capacity of the fluidized bed reactor 100 can be improved.

[0096] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0097] In general, terms should be understood, at least in part, by the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending, at least in part, on the context. Similarly, terms such as "a," "an," or "the" may also be understood to convey singular usage or to convey plural usage, depending, at least in part, on the context.

[0098] It should be easily understood that the terms “on,” “above,” and “over” in this application should be interpreted in the broadest manner, so that “on” means not only “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” includes not only the meaning of “above something” or “over,” but also may include the meaning of “above something” or “over” with no intervening features or layers therebetween (i.e., directly on something).

[0099] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90° or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0100] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A fluidized bed reactor (100), characterized in that: include: A cylinder (110), wherein the cylinder (110) comprises a reaction chamber (111); A first gas supply member (120), the first gas supply member (120) being arranged at the bottom of the cylinder (110) and being in communication with the reaction chamber (111); at least two second gas supply members (130), the at least two second gas supply members (130) being arranged at intervals along the circumference of the cylinder (110) and both being in communication with the reaction chamber (111); Wherein, each of the second air supply members (130) has at least two outlets, and the outlet of each of the second air supply members (130) is higher than the outlet of the first air supply member (120) in the vertical direction; At least part of the outlets of the second gas supply members (130) are arranged opposite to each other in the reaction chamber (111).

2. The fluidized bed reactor (100) according to claim 1, characterized in that: The second air supply member (130) comprises a first sub-outlet (131) and a second sub-outlet (132); The first sub-outlets (131) and the second sub-outlets (132) of each of the second air supply members (130) are alternately arranged in sequence along the same direction of the circumference of the cylinder (110); Among at least two of the second air supply members (130), the first sub-outlet (131) of one and the second sub-outlet (132) of the other are opposite to each other.

3. The fluidized bed reactor (100) according to claim 2, characterized in that: There are a plurality of the second air supply members (130), and the plurality of the second air supply members (130) are arranged along the circumferential direction of the cylinder (110); In adjacent second air supply members (130), the first sub-outlet (131) of one and the second sub-outlet (132) of the other are opposite to each other.

4. The fluidized bed reactor (100) according to claim 2, characterized in that: An air supply direction of the first sub-outlet (131) and an air supply direction of the second sub-outlet (132) form an included angle.

5. The fluidized bed reactor (100) according to any one of claims 1 to 4, characterized in that: It also includes a distribution member (140) located in the reaction chamber (111); along the vertical direction, the distribution member (140) is located between the first gas supply member (120) and the second gas supply member (130); the distribution member (140) divides the reaction chamber (111) into a first chamber (1111) and a second chamber (1112); The distribution member (140) has first connecting holes (141) distributed in an array, and the first connecting holes (141) connect the first chamber (1111) and the second chamber (1112).

6. The fluidized bed reactor (100) according to claim 5, characterized in that: Along the vertical direction, the first gas supply member (120) introduces reaction gas into the first chamber (1111); The air supply direction of each of the second air supply members (130) intersects with the air supply direction of the first air supply members (120).

7. The fluidized bed reactor (100) according to claim 5, characterized in that: It also includes a third air supply member (150), wherein a portion of the third air supply member (150) is located in the first chamber (1111); The distribution member (140) has a second connecting hole (142), and the third gas supply member (150) is connected to the second chamber (1112) through the second connecting hole (142), and introduces reaction gas into the second chamber (1112) along the vertical direction.

8. The fluidized bed reactor (100) according to claim 5, characterized in that: It also includes a discharge pipe (160), wherein a portion of the discharge pipe (160) is located in the first chamber (1111); The distribution member (140) has a third communicating hole (143), and the discharge pipe (160) is connected to the second chamber (1112) and the outside of the cylinder (110) through the third communicating hole (143).

9. The fluidized bed reactor (100) according to any one of claims 1 to 4, characterized in that: It also includes a feed pipe (170), wherein the feed pipe (170) is disposed on the side of the barrel (110) and is connected to the reaction chamber (111); Along the vertical direction, the outlet of the feed pipe (170) is higher than each of the second gas supply members (130).

10. The fluidized bed reactor (100) according to claim 9, characterized in that: The cylinder (110) has an opening (112), and the opening (112) is arranged at the top of the cylinder (110) along the vertical direction, and the opening (112) is used for the reaction material in the cylinder (110) to be discharged.

Images