Reactor capable of automatically collecting and filling catalyst

Abstract

The utility model provides a reactor capable of automatically collecting and filling a catalyst, which comprises a vertically arranged reaction cylinder, an inlet pipe is arranged at the top of the reaction cylinder, an outlet pipe is arranged at the bottom of the reaction cylinder, a supporting mechanism positioned above the outlet pipe is arranged in the reaction cylinder, a horizontally arranged transverse plate is connected onto the supporting mechanism, and the transverse plate is provided with a plurality of baffle plates. A transverse plate is arranged in the reaction cylinder, first through holes which cannot pass through the transverse plate and are uniformly distributed are formed in the transverse plate, a plurality of notch grooves which can pass through the catalyst are further formed in the transverse plate, a blocking mechanism corresponding to the notch grooves in position is arranged above the transverse plate, and a traction mechanism which penetrates through the side wall of the reaction cylinder and is connected with the blocking mechanism is arranged outside the reaction cylinder. The device is convenient for collecting the inactivated catalyst, is convenient to mount and dismount, and can reduce the labor intensity of operation.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed bed reactors, in particular to a reactor for automatically collecting and filling catalysts. Background Art

[0002] Reactors are key equipment in chemical production. They are chemical reaction equipment that people use certain means to suppress side reactions, increase conversion rates, and improve production capacity. Fixed-bed reactors are filled with granular solid catalysts or solid reactants to form a stacked bed layer of a certain height. Gas or liquid materials flow through the static fixed bed layer through the gaps between particles, realizing a heterogeneous reaction process. The catalyst will lose its activity under operating conditions and needs to be reactivated. A large amount of catalyst needs to be transferred out. In the existing fixed-bed reactor, the catalyst is easily damaged during the catalyst transfer process, and it is time-consuming and labor-intensive. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a reactor for automatically collecting and filling catalysts, which is convenient for collecting catalysts and reduces damage to the catalysts.

[0004] According to an embodiment of the utility model, the utility model provides a reactor for automatically collecting and filling catalysts, comprising a vertically arranged reaction cylinder, an inlet pipe is provided at the top of the reaction cylinder, an outlet pipe is provided at the bottom of the reaction cylinder, a support mechanism is provided inside the reaction cylinder and is located above the outlet pipe, a horizontally arranged transverse plate is connected to the support mechanism, a first through hole that is not passable by the catalyst and is evenly distributed is provided on the transverse plate, a plurality of notch grooves through which the catalyst can pass is also provided on the transverse plate, a blocking mechanism corresponding to the position of the notch grooves is provided above the transverse plate, and a traction mechanism is provided outside the reaction cylinder and passes through the side wall of the reaction cylinder and is connected to the blocking mechanism.

[0005] Preferably, the reaction cylinder includes an upper head, a cylinder body, and a lower tube box, and the supporting mechanism includes a supporting cylinder arranged between the cylinder body and the lower tube box, the supporting cylinder is coaxially arranged with the cylinder body, and the two ends of the supporting cylinder are respectively detachably connected to the cylinder body and the lower tube box.

[0006] Further preferably, the outlet pipe includes a drain pipe coaxially arranged with the reaction tube and a discharge pipe vertically connected with the drain pipe.

[0007] Further preferably, the blocking mechanism includes a plurality of cover plates arranged corresponding to the notch grooves and a connecting rib plate connecting the plurality of cover plates.

[0008] Further preferably, the traction mechanism comprises a traction shaft horizontally penetrating the side wall of the reaction tube and connected to the blocking mechanism, and a power assembly driving the traction shaft, and the traction shaft is in sliding cooperation with the reaction tube.

[0009] Further preferably, a lifting mechanism located above the blocking mechanism is further provided in the reaction cylinder.

[0010] Further preferably, the lifting mechanism includes a plurality of support beams connected to the supporting mechanism and located above the blocking mechanism, and a lifting beam fixed on the top of the supporting beams.

[0011] Still further preferably, the lifting beam is arranged on the side of the notch groove, and the lifting beam is provided with evenly distributed second through holes.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] A support frame mechanism is arranged in the reaction tube, and a horizontal plate is arranged on the support mechanism. A first through hole is arranged on the horizontal plate to facilitate the entry and exit of gas, but the catalyst cannot pass through the first through hole. A notch groove is also arranged on the horizontal plate, and catalyst particles can pass through the notch groove. A cover plate covering the notch groove is arranged above the notch groove, and the cover plate is connected to a traction mechanism. During the reaction, the cover plate covers the notch groove to prevent the catalyst from being discharged. After the catalyst loses its activity, the cover plate is driven to move by the traction mechanism, and the catalyst above can pass through the notch groove and be discharged outside the reaction tube, so as to facilitate the collection of the catalyst. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a reactor for automatically collecting and filling catalysts according to the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a support cylinder in a reactor for automatically collecting and filling catalysts according to the utility model.

[0016] In the above drawings: 1. reaction cylinder; 101. inlet pipe; 102. outlet pipe; 103. upper head; 104. cylinder body; 105. lower pipe box; 106. drain pipe; 107. discharge pipe; 2. support mechanism; 201. support cylinder; 3. cross plate; 301. first through hole; 302. notch groove; 4. blocking mechanism; 401. cover plate; 402. connecting rib plate; 5. traction mechanism; 501. traction shaft; 502. power assembly; 6. lifting mechanism; 601. support beam; 602. lifting beam; 603. second through hole. DETAILED DESCRIPTION

[0017] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] like Figure 1 , Figure 2 As shown, the utility model provides a reactor for automatically collecting and filling catalysts, comprising a vertically arranged reaction tube 1, wherein the top of the reaction tube 1 is provided with an inlet pipe 101, the bottom of the reaction tube 1 is provided with an outlet pipe 102, the reaction tube 1 is provided with a support mechanism 2 located above the outlet pipe 102, the support mechanism 2 is connected with a horizontally arranged transverse plate 3, the transverse plate 3 is provided with first through holes 301 that are not passable by the catalyst and are evenly distributed, so as to facilitate the entry and exit of gas and prevent the catalyst from falling, the transverse plate 3 is also provided with a plurality of notch grooves 302 through which the catalyst can pass, so as to facilitate the catalyst from falling from the notch grooves 302 when being collected later, a blocking mechanism 4 corresponding to the position of the notch grooves 302 is provided above the transverse plate 3, and the notch grooves 302 can be covered during the reaction process, and a traction mechanism 5 is provided outside the reaction tube 1 that penetrates the side wall of the reaction tube 1 and is connected to the blocking mechanism 4;

[0019] During the reaction, the blocking mechanism 4 covers the notch groove 302 to prevent the catalyst from falling from the notch groove 302. When the catalyst loses its activity, the blocking mechanism 4 is driven to move by the traction mechanism 5 so that the catalyst can fall from the notch groove 302, which is convenient for collecting and recovering the catalyst.

[0020] In order to facilitate the installation and disassembly of the support mechanism 2 and the maintenance and repair of its internal structure, in a further embodiment, the reaction tube 1 includes an upper head 103, a cylinder 104, and a lower tube box 105. The support mechanism 2 includes a support tube 201 arranged between the cylinder 104 and the lower tube box 105. The cross plate 3 is a circular plate and its diameter is the same as the inner diameter of the support tube 201. The cross plate 3 is welded to the inner wall of the support tube 201. The diameter of the support tube 201 is the same as the diameter of the cylinder 104. The support tube 201 is coaxially arranged with the cylinder 104. The two ends of the support tube 201 are detachably connected to the cylinder 104 and the lower tube box 105 respectively. In this embodiment, the two ends of the support tube 201 are connected to the cylinder 104 and the lower tube box 105 by flange connection.

[0021] Specifically, the outlet pipe 102 includes a drain pipe 106 coaxially arranged with the reaction cylinder 1 and a discharge pipe 107 vertically connected with the drain pipe 106, so as to facilitate the draining of a small amount of liquid in the medium and the smooth extraction of the catalyst;

[0022] Specifically, the blocking mechanism 4 includes a plurality of cover plates 401 corresponding to the notch grooves 302, a connecting rib plate 402 connecting the plurality of cover plates 401, the traction mechanism 5 includes a traction shaft 501 horizontally penetrating the side wall of the reaction tube 1 and connected to the blocking mechanism 4, and a power assembly 502 driving the traction shaft 501, and the traction shaft 501 is slidably matched with the reaction tube 1;

[0023] In order to play the role of supporting the catalyst, in a further embodiment, the reaction cylinder 1 is further provided with a supporting mechanism 6 located above the blocking mechanism 4;

[0024] Specifically, the lifting mechanism 6 includes a plurality of support beams 601 connected to the support mechanism 2 and located above the blocking mechanism 4, and a lifting beam 602 fixed on the top of the support beam 601, the support beam 601 is welded to the inner wall of the support tube 201, and the support beam 601 and the lifting beam 602 are vertically arranged;

[0025] In order to prevent the lifting mechanism 6 from affecting the discharge of the catalyst from the notch groove 302, in a further embodiment, the lifting beam 602 is arranged on the side of the notch groove 302, and the lifting beam 602 is a V-shaped plate, and its opening is arranged toward the support beam 601. The lifting beam 602 is provided with evenly distributed second through holes 603 to facilitate the upper catalyst to slide down for dispersion and flow into the notch groove 302 for discharge.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A reactor for automatically collecting and filling catalysts, comprising a vertically arranged reaction tube (1), wherein the top of the reaction tube (1) is provided with an inlet pipe (101), and the bottom of the reaction tube (1) is provided with an outlet pipe (102), characterized in that: The reaction cylinder (1) is provided with a support mechanism (2) located above the outlet pipe (102); the support mechanism (2) is connected to a horizontally arranged transverse plate (3); the transverse plate (3) is provided with first through holes (301) through which catalysts cannot pass and are evenly distributed; the transverse plate (3) is also provided with a plurality of notches (302) through which catalysts can pass; a blocking mechanism (4) corresponding to the position of the notches (302) is provided above the transverse plate (3); and a traction mechanism (5) penetrating through the side wall of the reaction cylinder (1) and connected to the blocking mechanism (4) is provided outside the reaction cylinder (1).

2. A reactor for automatically collecting and filling catalyst according to claim 1, characterized in that: The reaction cylinder (1) comprises an upper head (103), a cylinder body (104), and a lower tube box (105); the support mechanism (2) comprises a support cylinder (201) arranged between the cylinder body (104) and the lower tube box (105); the support cylinder (201) is coaxially arranged with the cylinder body (104); and two ends of the support cylinder (201) are detachably connected to the cylinder body (104) and the lower tube box (105), respectively.

3. A reactor for automatically collecting and filling catalyst according to claim 2, characterized in that: The outlet pipe (102) comprises a drain pipe (106) coaxially arranged with the reaction cylinder (1) and a discharge pipe (107) vertically connected to the drain pipe (106).

4. A reactor for automatically collecting and filling catalyst according to claim 1, characterized in that: The blocking mechanism (4) comprises a plurality of cover plates (401) arranged corresponding to the notch grooves (302) and a connecting rib plate (402) connecting the plurality of cover plates (401).

5. A reactor for automatically collecting and filling catalyst according to claim 4, characterized in that: The traction mechanism (5) comprises a traction shaft (501) horizontally penetrating the side wall of the reaction cylinder (1) and connected to the blocking mechanism (4), and a power assembly (502) driving the traction shaft (501); the traction shaft (501) is in sliding cooperation with the reaction cylinder (1).

6. A reactor for automatically collecting and filling catalyst according to any one of claims 1 to 5, characterized in that: The reaction cylinder (1) is also provided with a lifting mechanism (6) located above the blocking mechanism (4).

7. A reactor for automatically collecting and filling catalyst according to claim 6, characterized in that: The lifting mechanism (6) comprises a plurality of support beams (601) connected to the support mechanism (2) and located above the blocking mechanism (4), and a lifting beam (602) fixed on the top of the support beams (601).

8. A reactor for automatically collecting and filling catalyst according to claim 7, characterized in that: The lifting beam (602) is arranged on the side of the notch groove (302), and the lifting beam (602) is provided with evenly distributed second through holes (603).

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