Methanol-to-olefin reactor

Abstract

The utility model relates to the technical field of chemical equipment, and discloses a methanol-to-olefin reactor which comprises a tank body, a feeding pipe is fixedly connected to the middle part below the left side of the tank body, supporting rods are fixedly connected to the middle parts of the left side and the right side of the lower surface of the tank body, and placing trays are fixedly connected to the bottoms of the supporting rods; a plurality of supporting legs are fixedly connected to the lower surface of the containing disc, a reaction mechanism is arranged in the tank body, a sealing mechanism is arranged above the tank body, and a recycling mechanism is arranged on the right side of the tank body. The motor is installed on the upper surface of the placing disc, the motor drives the stirring plate to rotate in the tank body through the rotating rod on the top, gas makes full contact with a catalyst, the catalyst is placed in the placing box, and the placing box can be placed in the middle of the interior of the tank body through the sliding blocks on the two sides. The through holes penetrate through the inner bottom of the placement box, so that gas circulation is facilitated, and the effect of improving the reaction efficiency of the methanol raw material can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a methanol to olefins reactor. Background Art

[0002] The methanol to olefins reactor is a chemical equipment specially used to convert methanol into low-carbon olefins (mainly ethylene and propylene). The MTO process is of great significance in the fields of modern coal chemical industry and petrochemical industry because ethylene and propylene are the basic raw materials for the production of plastics, synthetic resins and other chemicals.

[0003] With the development of the petrochemical industry, the demand for olefins is increasing. Methanol-to-olefins technology has attracted widespread attention due to its wide source of raw materials and low cost. However, the existing methanol-to-olefins reactors have low efficiency during conversion and cannot process methanol raw materials well, which limits the large-scale application of this technology. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the shortcomings of the existing technology, the present invention provides a methanol to olefins reactor, which has the advantages of improving the reaction efficiency of methanol raw materials and solves the problems mentioned in the above background technology.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a methanol to olefins reactor, comprising a tank body, a feeding pipe is fixedly connected to the middle portion of the lower left side of the tank body, and the middle portions of the left and right sides of the lower surface of the tank body are fixedly connected to support rods, the bottom of the support rods is fixedly connected to a placing plate, and the lower surface of the placing plate is fixedly connected to a number of support legs, a reaction mechanism is provided inside the tank body, a sealing mechanism is provided above the tank body, and a recovery mechanism is provided on the right side of the tank body, the reaction mechanism includes a motor, the bottom of the motor is fixedly installed in the middle portion of the upper surface of the placing plate, the top of the motor is fixedly connected to a rotating rod, and the left and right sides of the outer surface of the rotating rod are fixedly connected to stirring plates, a slide groove is provided on the upper left and right sides of the inner wall of the tank body, a slider is provided at the lower inside of the slide groove, a placing box is fixedly connected to one side of the slider, and a number of through holes are provided at the bottom inner side of the placing box.

[0008] Preferably, a pull rod is fixedly connected to the middle portion of the upper surface of the sliding block, and a handle is fixedly connected to the top of the pull rod.

[0009] The bottom of the pull rod is vertically connected to the middle of the upper surface of the slider. The user holds the handle and takes the placement box out of the tank body through the pull rod.

[0010] Preferably, the sealing mechanism comprises an external thread, and the external thread is arranged above the outer surface of the tank body.

[0011] Preferably, a threaded cover is provided above the external thread.

[0012] Preferably, a number of gripping rods are fixedly connected to the outer surface of the threaded cover, and a discharge pipe is fixedly connected to the middle portion of the upper surface of the threaded cover.

[0013] The threaded cover can be screwed onto the top of the tank body through the external thread provided on the outer surface of the tank body to seal the top of the tank body. The grip makes it convenient for the operator to rotate the threaded cover, and the reaction product inside the tank body is discharged through the discharge pipe.

[0014] Preferably, the recovery mechanism includes a fixed box, the left side of the fixed box is fixedly installed on the middle part of the right side of the tank body, and the lower middle part of the right side of the fixed box is fixedly connected with a liquid outlet pipe.

[0015] Preferably, a number of heat exchange plates are fixedly connected to the inner wall of the fixed box.

[0016] Preferably, a liquid inlet pipe is fixedly connected to the middle right side of the upper surface of the fixed box.

[0017] The fixed box and the tank body are fitted together, and the interior of the box is used to store the cooling medium. The heat generated during the reaction of the tank body can be directed into the fixed box. The heat exchange plate can improve the heat conduction efficiency. The cooling medium enters the fixed box through the liquid inlet pipe and is discharged through the liquid outlet pipe.

[0018] Compared with the prior art, the present invention provides a methanol to olefins reactor with the following features:

[0019] Beneficial effects:

[0020] 1. The utility model uses a motor installed on the upper surface of the placement plate, and the motor drives the stirring plate to rotate inside the tank through the rotating rod on the top, so that the gas and the catalyst are fully in contact. The catalyst is placed in the placement box, and the placement box can be placed in the middle of the tank through sliders on both sides. The through hole runs through the bottom of the placement box to facilitate the circulation of gas, thereby achieving the effect of improving the reaction efficiency of the methanol raw material.

[0021] 2. The utility model uses a fixed box installed on the right side of the tank body. The fixed box and the tank body are in contact with each other. The interior of the fixed box is used to store cooling medium to absorb heat in the tank body. The heat exchange plate can accelerate the absorption of heat, thereby achieving the effect of effectively removing and utilizing the heat generated during the reaction process of the tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front cross-sectional view of the utility model;

[0024] Figure 3 This is a schematic diagram of the internal structure of the tank body of the utility model.

[0025] Among them: 1. Tank body; 101. Feed pipe; 102. Support rod; 103. Placement plate; 104. Support leg; 2. Reaction mechanism; 201. Motor; 202. Rotating rod; 203. Stirring plate; 204. Slide; 205. Slider; 206. Placement box; 207. Through hole; 208. Pull rod; 209. Handle; 3. Sealing mechanism; 301. External thread; 302. Threaded cover; 303. Grip; 304. Discharge pipe; 4. Recovery mechanism; 401. Fixed box; 402. Liquid outlet pipe; 403. Heat exchange plate; 404. Liquid inlet pipe. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-3A methanol to olefins reactor comprises a tank body 1, a feed pipe 101 is fixedly connected to the middle of the lower left side of the tank body 1, support rods 102 are fixedly connected to the middle of the left and right sides of the lower surface of the tank body 1, the bottom of the support rods 102 is fixedly connected to a placement plate 103, and a number of support legs 104 are fixedly connected to the lower surface of the placement plate 103, a reaction mechanism 2 is arranged inside the tank body 1, a sealing mechanism 3 is arranged above the tank body 1, and a recovery mechanism 4 is arranged on the right side of the tank body 1, the reaction mechanism 2 comprises a motor 201, the bottom of the motor 201 is fixedly installed on the middle of the upper surface of the placement plate 103, the top of the motor 201 is fixedly connected to a rotating rod 202, and the left and right sides of the outer surface of the rotating rod 202 are fixedly connected to stirring plates 203, and the upper left and right sides of the inner wall of the tank body 1 are provided with slide grooves 204, and the lower part of the slide groove 204 is provided with a slider 205. A placement box 206 is fixedly connected to the side, and a number of through holes 207 are provided at the bottom of the placement box 206. The methanol raw material is introduced into the interior of the tank body 1 through the feed pipe 101. The support rod 102 is vertically connected between the lower surface of the tank body 1 and the upper surface of the placement plate 103. The motor 201 drives the stirring plate 203 to rotate inside the tank body 1 through the rotating rod 202 at the top, stirring the gas inside the tank body 1 so that the gas and the catalyst can fully react. The two slide grooves 204 are respectively embedded in the upper left and right sides of the inner wall of the tank body 1, and the slider 205 can slide up and down inside the slide groove 204. The placement box 206 can move up and down inside the tank body 1 through the slider 205, which is convenient for movement. The interior is used to place the catalyst. A number of through holes 207 are evenly distributed throughout the inner bottom of the placement box 206 to facilitate contact between the gas and the catalyst.

[0028] Specifically, such as Figure 2 and Figure 3 As shown, a pull rod 208 is fixedly connected to the middle of the upper surface of the slider 205 , and a handle 209 is fixedly connected to the top of the pull rod 208 .

[0029] Through the above technical solution, the bottom of the pull rod 208 is vertically connected to the middle of the upper surface of the slider 205. Holding the handle 209, the placement box 206 is taken out from the interior of the tank body 1 through the pull rod 208.

[0030] Specifically, such as Figure 1 and Figure 2 As shown, the sealing mechanism 3 includes an external thread 301, which is arranged above the outer surface of the tank body 1. A threaded cover 302 is arranged above the external thread 301. A number of grip rods 303 are fixedly connected to the outer surface of the threaded cover 302, and a discharge pipe 304 is fixedly connected to the middle of the upper surface of the threaded cover 302.

[0031] Through the above technical solution, the threaded cover 302 can be screwed onto the top of the tank body 1 through the external thread 301 set on the outer surface of the tank body 1, sealing the top of the tank body 1. The grip 303 facilitates the operator to rotate the threaded cover 302, and the product after the reaction inside the tank body 1 is discharged through the discharge pipe 304.

[0032] Specifically, such as Figure 2 As shown, the recovery mechanism 4 includes a fixed box 401, the left side of the fixed box 401 is fixedly installed in the middle of the right side of the tank body 1, the middle of the lower right side of the fixed box 401 is fixedly connected to the liquid outlet pipe 402, the inner wall of the fixed box 401 is fixedly connected to a number of heat exchange plates 403, and the middle of the right side of the upper surface of the fixed box 401 is fixedly connected to the liquid inlet pipe 404.

[0033] Through the above technical solution, the fixed box 401 and the tank body 1 are fitted together, and the interior thereof is used to store the cooling medium. The heat generated during the reaction of the tank body 1 can be directed into the fixed box 401. The heat exchange plate 403 can improve the heat conduction efficiency. The cooling medium enters the fixed box 401 through the liquid inlet pipe 404 and is discharged through the liquid outlet pipe 402.

[0034] During use, the operator places the catalyst in the placement box 206, places the placement box 206 inside the tank body 1 through the handle 209 and the pull rod 208, screws the threaded cover 302 on the top of the tank body 1 to seal it, and then passes the methanol raw material into the interior of the tank body 1 through the feed pipe 101. The motor 201 drives the stirring plate 203 on the outer surface to rotate through the rotating rod 202 on the top to stir the gas so that it reacts completely with the catalyst. The reaction product is discharged through the discharge pipe 304. The heat generated during the reaction is introduced into the fixed box 401 and absorbed and utilized by the heat exchange plate 403 and the cooling medium.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A methanol to olefins reactor, comprising a tank body (1), characterized in that: A feed pipe (101) is fixedly connected to the middle of the lower left side of the tank body (1), support rods (102) are fixedly connected to the middle of the left and right sides of the lower surface of the tank body (1), a placement plate (103) is fixedly connected to the bottom of the support rod (102), and a number of support legs (104) are fixedly connected to the lower surface of the placement plate (103). A reaction mechanism (2) is provided inside the tank body (1), a sealing mechanism (3) is provided above the tank body (1), and a recovery mechanism (4) is provided on the right side of the tank body (1). The reaction mechanism (2) includes a motor (201). The bottom of the motor (201) is fixedly mounted on the middle of the upper surface of the placement plate (103), the top of the motor (201) is fixedly connected to a rotating rod (202), the left and right sides of the outer surface of the rotating rod (202) are fixedly connected to stirring plates (203), the left and right sides of the inner wall of the tank body (1) are provided with sliding grooves (204) on the upper part, the sliding grooves (204) are provided with sliders (205) at the lower part, one side of the slider (205) is fixedly connected to a placement box (206), and the inner bottom of the placement box (206) is provided with a number of through holes (207).

2. A methanol to olefins reactor according to claim 1, characterized in that: A pull rod (208) is fixedly connected to the middle portion of the upper surface of the slider (205), and a handle (209) is fixedly connected to the top of the pull rod (208).

3. The methanol to olefins reactor according to claim 1, characterized in that: The sealing mechanism (3) comprises an external thread (301), and the external thread (301) is arranged above the outer surface of the tank body (1).

4. A methanol to olefins reactor according to claim 3, characterized in that: A threaded cover (302) is provided above the external thread (301).

5. A methanol to olefins reactor according to claim 4, characterized in that: A number of gripping rods (303) are fixedly connected to the outer surface of the threaded cover (302), and a discharge pipe (304) is fixedly connected to the middle portion of the upper surface of the threaded cover (302).

6. The methanol to olefins reactor according to claim 1, characterized in that: The recovery mechanism (4) comprises a fixed box (401), the left side of the fixed box (401) is fixedly mounted on the middle portion of the right side of the tank body (1), and a liquid outlet pipe (402) is fixedly connected to the lower middle portion of the right side of the fixed box (401).

7. The methanol to olefins reactor according to claim 6, characterized in that: A number of heat exchange plates (403) are fixedly connected to the inner wall of the fixed box (401).

8. The methanol to olefins reactor according to claim 6, characterized in that: A liquid inlet pipe (404) is fixedly connected to the middle portion of the right side of the upper surface of the fixed box (401).

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