阅读说明：本技术 一种油页岩加工用干馏装置 (Dry distillation device is used in oil shale processing ) 是由 曹国敖 于 2020-06-18 设计创作，主要内容包括：本发明属于油页岩加工技术领域,尤其是一种油页岩加工用干馏装置,针对现有技术中对油页岩的干馏效果差的问题,现提出以下方案,包括干馏釜,所述干馏釜的顶部设置有进料管,所述干馏釜内的底部设置有滤网板,且干馏釜位于滤网板的下方和上方分别设置有进风管和排气管,所述干馏釜外壁位于滤网板的顶部包裹有水浴壳体,所述干馏釜的内壁设置成方形结构,且干馏釜两侧内壁的底部均固定有倾斜设置的滤网板,滤网板向远离干馏釜内壁一侧倾斜向下,两个所述滤网板之间的底端通过扭簧连接有振动筛。本发明中,在承载面两侧设置有进风管而将承载面上粉碎的固体成分从中间位置利用振动筛筛出,避免承载面整体的网孔堵塞而影响空气流通。(The invention belongs to the technical field of oil shale processing, in particular to a dry distillation device for oil shale processing, aiming at the problem of poor dry distillation effect on oil shale in the prior art, the dry distillation device comprises a dry distillation kettle, wherein the top of the dry distillation kettle is provided with a feeding pipe, the bottom in the dry distillation kettle is provided with a filter screen plate, the dry distillation kettle is provided with an air inlet pipe and an exhaust pipe respectively below and above the filter screen plate, the outer wall of the dry distillation kettle is wrapped by a water bath shell on the top of the filter screen plate, the inner wall of the dry distillation kettle is arranged into a square structure, the bottom of the inner wall at two sides of the dry distillation kettle is fixed with the filter screen plate which is obliquely arranged, the filter screen plate is obliquely downward inclined towards one side far away from the inner wall of the dry distillation kettle, and the. In the invention, the air inlet pipes are arranged on the two sides of the bearing surface to screen out the solid components crushed on the bearing surface from the middle position by using the vibrating screen, so that the influence on the air circulation caused by the blockage of the meshes of the whole bearing surface is avoided.)

1. A dry distillation device for processing oil shale comprises a dry distillation kettle (1), wherein a feeding pipe (2) is arranged at the top of the dry distillation kettle (1), a filter screen plate (3) is arranged at the bottom in the dry distillation kettle (1), an air inlet pipe (4) and an exhaust pipe (5) are respectively arranged below and above the filter screen plate (3) of the dry distillation kettle (1), the outer wall of the dry distillation kettle (1) is positioned at the top of the filter screen plate (3) and is wrapped by a water bath shell (6), it is characterized in that the inner wall of the dry distillation kettle (1) is arranged into a square structure, the bottom parts of the inner walls at the two sides of the dry distillation kettle (1) are respectively fixed with an obliquely arranged filter screen plate (3), the filter screen plates (3) are inclined downwards towards one side far away from the inner wall of the dry distillation kettle (1), the bottom end between the two filter screen plates (3) is connected with a vibrating screen (7) through a torsional spring, air inlet pipes (4) are fixed on the outer walls of the two sides of the dry distillation kettle (1) at positions corresponding to the filter screen plates (3).

2. The dry distillation device for processing oil shale as claimed in claim 1, wherein the outer wall of one side of the filter screen plate (3) far away from the vibrating screen (7) is provided with a diversion trench (10) with an arc structure, and the air inlet pipe (4) is arranged at the top of the diversion trench (10).

3. The dry distillation device for processing oil shale as claimed in claim 1 or 2, wherein a penetrating fixing groove is formed in the middle of the vibrating screen (7), a vertically placed net cylinder (8) is fixed on the inner wall of the fixing groove, the bottom end of the net cylinder (8) is open, and a plurality of auxiliary members (9) with needle-shaped structures are fixed on the outer wall of the net plate (8) corresponding to the filter plate (3).

4. The dry distillation device for processing oil shale, as claimed in claim 3, wherein the inner bottom wall of the dry distillation kettle (1) is slidably connected with a retractable storage box (11), the inner bottom wall of the dry distillation kettle (1) is provided with an embedded groove, and the inner bottom wall of the embedded groove is fixed with a heating element (12).

5. The dry distillation device for processing oil shale according to claim 3, wherein the outer wall of the dry distillation kettle (1) is provided with a connecting groove (13) with an annular structure at a position corresponding to the water bath shell (6).

6. The dry distillation device for oil shale processing according to claim 5, wherein a plurality of connecting rods (14) are rotatably connected between the top and bottom inner walls of the connecting groove (13), and a plurality of connecting blades (15) are fixed on the outer wall of the connecting rods (14) and are distributed at intervals.

7. The dry distillation device for oil shale processing according to claim 6, wherein the connecting blade (15) is made of heat conducting material, and the outer wall of one side of the connecting blade (15) far away from the connecting rod (14) is in sliding contact with the inner wall of the connecting groove (13).

8. The dry distillation device for processing oil shale, according to claim 4, wherein a first oil content detector (16) is fixed on the outer wall of one side of the dry distillation kettle (1) between the filter screen plate (3) and the storage box (11), a second oil content detector (17) is fixed on the top of the exhaust pipe (5), a microprocessor and an electronic display are arranged on the outer wall of the dry distillation kettle (1), the first oil content detector (16) and the second oil content detector (17) are both electrically connected with the microprocessor through signal lines, and the microprocessor is electrically connected with the electronic display.

9. The dry distillation device for oil shale processing according to claim 3, wherein a fixing frame (18) with a clip structure is fixed at a position corresponding to the exhaust pipe (5) on the top of the inner wall of the dry distillation kettle (1), the cross section of the inner wall of the fixing frame (18) is set to be circular, a flow guide screen plate (19) with a similar cylindrical structure is fixed on the inner wall of the fixing frame (18), and the outer wall of the flow guide screen plate (19) is set to be an inwardly concave arc structure.

10. The dry distillation device for oil shale processing according to claim 9, wherein the bottom end of the outer wall of the flow guide screen plate (19) is rotatably connected with the fixed frame (18) through a bearing, the top of the flow guide screen plate (19) is slidably connected with the inner wall of the top of the dry distillation kettle (1), the outer wall of the flow guide screen plate (19) is fixed with guide vanes (20) distributed in an annular array, and the guide vanes (20) are arranged in an inclined streamline structure.

Technical Field

The invention relates to the technical field of oil shale processing, in particular to a dry distillation device for oil shale processing.

Background

Oil shale belongs to unconventional oil and gas resources, is listed as a very important alternative energy source in twenty-first century by the feasibility of rich resource and development and utilization, is a non-renewable fossil energy source like petroleum, natural gas and coal, is usually subjected to destructive distillation processing to obtain oil, and the process adopted by the prior art for the destructive distillation of the oil shale is mainly a gas heat carrier destructive distillation method.

To the gas heat carrier dry distillation operation of oil shale, generally put into the dry distillation cauldron with the oil shale fragment and utilize the otter board to bear, and upwards let in the hot gas flow from the otter board bottom and carry out the dry distillation and discharge oil along with the air current from the top, utilize the otter board to sieve out the kibbling oil shale solid composition after the dry distillation, but the in-process of actually carrying out the dry distillation operation, often accumulational oil shale intermediate position can't directly be heated, its fluid can flow down and cohere the jam that causes the bottom otter board with kibbling solid composition, influence actual dry distillation effect.

Disclosure of Invention

Based on the technical problem of poor dry distillation effect on oil shale in the prior art, the invention provides a dry distillation device for oil shale processing.

The invention provides a dry distillation device for processing oil shale, which comprises a dry distillation kettle, wherein a feeding pipe is arranged at the top of the dry distillation kettle, a filter screen plate is arranged at the bottom in the dry distillation kettle, an air inlet pipe and an exhaust pipe are respectively arranged below and above the filter screen plate on the dry distillation kettle, a water bath shell is wrapped at the top of the filter screen plate on the outer wall of the dry distillation kettle, the inner wall of the dry distillation kettle is arranged into a square structure, obliquely arranged filter screen plates are fixed at the bottoms of the inner walls at the two sides of the dry distillation kettle, the filter screen plates are inclined downwards towards one side far away from the inner wall of the dry distillation kettle, a vibrating screen is connected to the bottom end between the two filter screen plates through a torsion spring, and air inlet pipes are fixed at.

Preferably, the outer wall of one side of the filter screen plate, which is far away from the vibrating screen, is provided with a diversion trench with an arc-shaped structure, and the air inlet pipe is arranged at the top of the diversion trench.

Preferably, a penetrating fixing groove is formed in the middle of the vibrating screen, a vertically-placed net cylinder is fixed to the inner wall of the fixing groove, the bottom end of the net cylinder is open, and a plurality of auxiliary pieces of needle-shaped structures are fixed to the outer wall of the net plate and the position corresponding to the filter screen plate.

Preferably, retort's bottom inner wall sliding connection has the receiver of withdrawable, and retort's bottom inner wall has seted up the embedded groove, and the bottom inner wall of embedded groove is fixed with the heating member.

Preferably, the outer wall of the dry distillation kettle is provided with a connecting groove with an annular structure at a position corresponding to the water bath shell.

Preferably, a plurality of connecting rods are rotatably connected between the top and bottom inner walls of the connecting groove, and a plurality of connecting blades distributed at intervals are fixed on the outer walls of the connecting rods.

Preferably, the connecting blade is made of a heat conducting material, and the outer wall of one side, far away from the connecting rod, of the connecting blade is in sliding contact with the inner wall of the connecting groove.

Preferably, a first oil content detector is fixed on the outer wall of one side of the dry distillation kettle at a position between the filter screen plate and the storage box, a second oil content detector is fixed on the top of the exhaust pipe, a microprocessor and an electronic display are arranged on the outer wall of the dry distillation kettle, the first oil content detector and the second oil content detector are both electrically connected with the microprocessor through signal lines, and the microprocessor is electrically connected with the electronic display.

Preferably, a fixing frame with a square-shaped structure is fixed at the position, corresponding to the exhaust pipe, of the top of the inner wall of the dry distillation kettle, the section of the inner wall of the fixing frame is circular, a flow guide screen plate with a similar cylindrical structure is fixed on the inner wall of the fixing frame, and the outer wall of the flow guide screen plate is of an inwards-concave arc structure.

Preferably, the bottom end of the outer wall of the flow guide screen plate is rotatably connected with the fixing frame through a bearing, the top of the flow guide screen plate is slidably connected with the inner wall of the top of the dry distillation kettle, the outer wall of the flow guide screen plate is fixed with guide vanes distributed in an annular array, and the guide vanes are arranged into an inclined streamline structure.

Compared with the prior art, the invention provides a dry distillation device for processing oil shale, which has the following beneficial effects:

1. this dry distillation device is used in oil shale processing, the device all is fixed with the filter plate that the slope was placed in the bottom of retort both sides, there is the shale shaker in the position between two filter plate bottoms through torsional spring connection, thereby constitute the loading end of V type structure, be provided with the air-supply line in the loading end both sides and utilize the shale shaker to sieve out with kibbling solid composition on the loading end from the intermediate position, avoid the holistic mesh of loading end to block up and influence the circulation of air, and be fixed with the net section of thick bamboo that runs through the setting at the intermediate position of shale shaker, and make the net section of thick bamboo shake along with the shale shaker, with the increase air flow and the heating effect of piling up the oil shale intermediate position, avoid fluid to descend because of being heated inadequately and cohere, thereby improve the.

2. This dry distillation device is used in oil shale processing, the spread groove of loop configuration is seted up at the position that retort outer wall and water bath casing correspond to the device, and rotate between the top of spread groove and the bottom inner wall and be connected with a plurality of connecting rods, make connecting blade and spread groove inner wall sliding connection of connecting rod outer wall heat conduction to make connecting rod and connecting blade rotate along with rivers in the water bath casing, and utilize connecting blade and retort outer wall direct contact of heat conduction, and improve the water-bath heating effect.

3. This dry distillation device is used in oil shale processing, it is further, the top of device in retort rotates and is connected with the water conservancy diversion otter board, and the outer wall of water conservancy diversion otter board sets to inside sunken arc structure, utilizes the water conservancy diversion otter board to avoid the interior dust of retort directly to discharge along the air current, and utilizes pivoted water conservancy diversion otter board and guide vane edge to guide the oil gas of each position of upper in the retort to the blast pipe, further improve equipment's in-service use effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a dry distillation device for processing oil shale according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a dry distillation device for oil shale processing according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural diagram of a mesh cylinder of the dry distillation device for processing oil shale according to the present invention;

fig. 4 is a schematic cross-sectional structural view of a dry distillation device for oil shale processing according to embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a flow guide screen plate of the dry distillation device for processing oil shale.

In the figure: the device comprises a dry distillation kettle 1, a feeding pipe 2, a filter screen plate 3, an air inlet pipe 4, an exhaust pipe 5, a water bath shell 6, a vibrating screen 7, a mesh cylinder 8, an auxiliary part 9, a flow guide groove 10, a storage box 11, a heating part 12, a connecting groove 13, a connecting rod 14, a connecting blade 15, a first oil content detector 16, a second oil content detector 17, a fixing frame 18, a flow guide screen plate 19 and a flow guide blade 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.