Sampling structure of petrochemical reaction kettle

Abstract

The utility model discloses a sampling structure of a petrochemical engineering reaction kettle, which belongs to the technical field of petrochemical engineering sampling, and comprises a reaction kettle main body, the surface of the reaction kettle main body is fixedly connected with a support frame, one side of the support frame is fixedly connected with a fixed frame, the fixed frame is fixedly connected with a sampling box, and the sampling box is fixedly connected with the sampling box. The reaction kettle main body is communicated with a liquid outlet pipe, an inner cavity of the sampling box is fixedly connected with a fixed plate, a sampling mechanism is arranged in the inner cavity of the sampling box, and the lower end of the sampling mechanism is movably connected with the fixed plate. According to the petroleum sampling device disclosed by the invention, the sampling mechanism arranged in the sampling box is matched with the liquid outlet pipe, so that a worker can conveniently sample petroleum, and meanwhile, multiple petroleum can be sampled, so that the problem that the petroleum is scattered in the sampling process is prevented, and waste of the petroleum is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling in petrochemical industry, and particularly to a sampling structure of a petrochemical reactor. Background Technique

[0002] The petrochemical industry, referred to as petrochemical for short, generally refers to the chemical industry using petroleum and natural gas as raw materials. The scope is very wide and there are many products. Crude oil is cracked (cracked), reformed and separated to provide basic raw materials such as ethylene, propylene, butene, butadiene, benzene, toluene, xylene, naphthalene, etc. From these basic raw materials, various basic organic raw materials such as methanol, formaldehyde, ethanol, acetaldehyde, acetic acid, isopropanol, acetone, phenol, etc. can be prepared.

[0003] The existing petrochemical reactors are very inconvenient in the process of sampling petroleum, which is easy to cause the sampled petroleum to spill to the outside, resulting in unnecessary waste of petroleum.

[0004] A sampling device for a petroleum processing reactor proposed according to the publication number: CN211978423U belongs to petrochemical equipment, which is composed of a reactor main body and a sampling outlet. A sampling outlet is arranged at the lower part of the reactor main body, and a discharge pipe is installed on the sampling outlet. The outer end of the discharge pipe is connected to a sampling liquid storage pipe. A liquid outlet pipe is arranged at the lower part of the inner end of the sampling liquid storage pipe. A rubber piston is arranged in the sampling liquid storage pipe. A pull rod is fixed on the outer side of the rubber piston. The outer end of the pull rod passes through the tail end of the sampling liquid storage pipe and is fixed to a push pull rod. The push pull rod is fixedly connected to a sleeve plate sleeved on the outer periphery of the sampling liquid storage pipe through more than two connecting rods. The outer peripheral screw of the sampling liquid storage pipe is connected to a limit nut. The sampling device for a petroleum processing reactor involved in this utility model has a reasonable structure, low production cost and convenient installation, and can effectively solve the problems of serious waste during sampling and inaccurate sample extraction each time in the prior art. A sample storage device is provided, and the sample storage device is made of a transparent material for convenient observation and dose control.

[0005] According to the above introduction, it is very inconvenient for the staff in the chemical reactor filled with petroleum to sample the petroleum in the reactor, resulting in the petroleum spilling to the outside during the sampling process, causing waste of petroleum, and the sampled petroleum cannot be sampled synchronously. Therefore, the difficulty of sampling the petrochemical reactor is increased. Content of the Utility Model

[0006] The purpose of the utility model is to provide a sampling structure of a petrochemical reactor. By setting a sampling box, it can provide a sampling space for the staff to take the petroleum in the reactor main body. Then, through the cooperation between the sampling mechanism arranged inside the sampling box and the liquid outlet pipe, it can facilitate the staff to sample the petroleum, and at the same time, multiple samplings of the petroleum are realized, thus preventing the problem of petroleum spilling during the sampling process and avoiding waste of petroleum, so as to solve the problems raised in the above background technique.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A sampling structure for a petrochemical reactor, including a reactor main body, a support frame is fixedly connected to the surface of the reactor main body, a fixing frame is fixedly connected to one side of the support frame, a sampling box is fixedly connected to the fixing frame, a liquid outlet pipe is communicated with the reactor main body, a fixing plate is fixedly connected to the inner cavity of the sampling box, a sampling mechanism is arranged in the inner cavity of the sampling box, the lower end of the sampling mechanism is movably connected to the fixing plate, and a collection component for cooperating with the sampling mechanism is arranged at the bottom of the inner cavity of the sampling box.

[0008] Preferably, a control valve is installed on the liquid outlet pipe, the pipe orifice of the liquid outlet pipe penetrates through the collection box and extends downward, and a fixing member is arranged at the connection position between the liquid outlet pipe and the sampling box.

[0009] Preferably, the sampling mechanism includes an electric push rod, the electric push rod is installed on the sampling box, the piston rod of the electric push rod penetrates through the sampling box and is fixedly connected with a reserve box, the reserve box is located directly below the pipe orifice of the liquid outlet pipe, fixing blocks are fixedly connected to opposite positions of the reserve box, a sliding sleeve is embedded in the fixing blocks, a fixing rod is fixedly connected to the inner cavity of the sliding sleeve, the bottom of the fixing rod is fixedly connected to the fixing plate, a blanking pipe is communicated with the bottom of the reserve box, an electromagnetic valve is installed on the blanking pipe, through holes are respectively opened at positions corresponding to the blanking pipe on the fixing plate, and the bottom end of the blanking pipe is inserted into the through holes and extends downward.

[0010] Preferably, the collection component includes a movable plate, a limiting seat is fixedly connected to the position corresponding to the blanking pipe on the movable plate, and a collection box is clamped in the limiting seat.

[0011] Preferably, a spring is sleeved on the fixing rod, the top of the spring is fixed to the inner wall of the sampling box, and the bottom of the spring is fixedly connected to the fixing block.

[0012] Preferably, the fixing member includes a fixing disk, the fixing disk is fixed on the liquid outlet pipe, and positioning bolts for cooperating with the sampling box are fixedly connected to the periphery of the fixing disk.

[0013] Preferably, a blanking funnel is fixedly connected to the pipe orifice position of the liquid outlet pipe, and the feeding port opened on the reserve box corresponds to the position of the blanking funnel.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. The utility model provides a sampling structure for a petrochemical reactor. The provided sampling box can provide a sampling space for staff to take petroleum from the reactor body. Thus, the cooperation between the sampling mechanism arranged inside the sampling box and the liquid outlet pipe can facilitate the staff to sample petroleum. At the same time, multiple samplings of petroleum are realized, preventing the problem of petroleum spilling during the sampling process and avoiding waste of petroleum.

[0016] 2. The utility model provides a sampling structure for a petrochemical reactor. The provided control valve can control the flow rate of petroleum in the liquid outlet pipe, and the provided fixing piece can fix the liquid outlet pipe to the sampling box, enhancing the stability of the installation of the liquid outlet pipe on the sampling box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the utility model;

[0018] Figure 2 is the partial sectional schematic diagram of the sampling box structure of the utility model;

[0019] Figure 3 is the structural schematic diagram of the sampling box and the sampling mechanism of the utility model;

[0020] Figure 4 is the utility model Figure 2 The enlarged schematic diagram at A in.

[0021] Reference numerals in the figure: 1, reactor body; 2, support frame; 3, fixing frame; 4, sampling box; 5, liquid outlet pipe; 6, fixing plate; 7, sampling mechanism; 71, electric push rod; 72, reserve box; 73, fixing block; 74, sliding sleeve; 75, fixing rod; 76, blanking pipe; 77, solenoid valve; 8, collection assembly; 81, movable plate; 82, limit seat; 83, collection box; 9, control valve; 10, fixing piece; 101, fixing disk; 102, positioning bolt; 11, spring; 12, blanking funnel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.

[0023] The utility model provides as Figures 1 to 4A sampling structure of a petrochemical reactor shown includes a reactor main body 1. A support frame 2 is fixedly connected to the surface of the reactor main body 1. A fixing frame 3 is fixedly connected to one side of the support frame 2. A sampling box 4 is fixedly connected to the fixing frame 3. A liquid outlet pipe 5 is communicated with the reactor main body 1. A fixing plate 6 is fixedly connected to the inner cavity of the sampling box 4. A sampling mechanism 7 is arranged in the inner cavity of the sampling box 4. The lower end of the sampling mechanism 7 is movably connected to the fixing plate 6. A collection component 8 cooperating with the sampling mechanism 7 is arranged at the bottom of the inner cavity of the sampling box 4. By providing the sampling box 4, it can provide a sampling space for the staff to take the petroleum in the reactor main body 1. Thus, the sampling mechanism 7 arranged inside the sampling box 4 cooperates with the liquid outlet pipe 5, which can facilitate the staff to sample the petroleum. At the same time, multiple samplings of the petroleum are realized, preventing the problem of petroleum spilling during the sampling process and avoiding waste of the petroleum.

[0024] A control valve 9 is installed on the liquid outlet pipe 5. The pipe orifice of the liquid outlet pipe 5 penetrates through the collection box and extends downward. And a fixing part 10 is arranged at the connection position between the liquid outlet pipe 5 and the sampling box 4. By providing the control valve 9, the flow rate of the petroleum in the liquid outlet pipe 5 can be controlled. And by providing the fixing part 10, the liquid outlet pipe 5 can be fixed to the sampling box 4, enhancing the stability of the installation of the liquid outlet pipe 5 on the sampling box 4.

[0025] The sampling mechanism 7 includes an electric push rod 71. The electric push rod 71 is installed on the sampling box 4. The piston rod of the electric push rod 71 penetrates through the sampling box 4 and is fixedly connected to a reserve box 72. The reserve box 72 is located directly below the pipe orifice of the liquid outlet pipe 5. Fixing blocks 73 are fixedly connected to the relative positions of the reserve box 72. A sliding sleeve 74 is embedded in the fixing blocks 73. A fixing rod 75 is fixedly connected to the inner cavity of the sliding sleeve 74. The bottom of the fixing rod 75 is fixedly connected to the fixing plate 6. A blanking pipe 76 is communicated with the bottom of the reserve box 72. An electromagnetic valve 77 is installed on the blanking pipe 76. Through holes are respectively opened at the positions on the fixing plate 6 corresponding to the blanking pipe 76. The bottom end of the blanking pipe 76 is inserted into the through holes and extends downward. By providing the electric push rod 71 as a power source, it can drive the reserve box 72 to move in a limited way on the surface of the fixing rod 75, so as to control the position distance between the blanking pipe 76 installed at the bottom of the reserve box 72 and the collection component 8. Therefore, it can facilitate the sampling of the petroleum and avoid the petroleum spilling outside, causing unnecessary waste.

[0026] The collection component 8 includes a movable plate 81. A limit seat 82 is fixedly connected to the position on the movable plate 81 corresponding to the blanking pipe 76. A collection box 83 is clamped in the limit seat 82. By providing the cooperation of the movable plate 81 and the limit seat 82, it can facilitate the placement and taking of the collection box 83, thus facilitating the staff to take and detect the sampled petroleum.

[0027] A spring 11 is sleeved on the fixing rod 75. The top of the spring 11 is fixed to the inner wall of the sampling box 4, and the bottom of the spring 11 is fixedly connected to the fixing block 73, which can provide elastic buffering between the storage box 72 and the sampling box 4 and prevent collision between the storage box 72 and the sampling box 4.

[0028] The fixing member 10 includes a fixing disk 101 fixed on the liquid outlet pipe 5. Positioning bolts 102 used in cooperation with the sampling box 4 are fixedly connected around the fixing disk 101. Through the cooperation of the set fixing disk 101 and positioning bolts 102, the liquid outlet pipe 5 can be fixed to the sampling box 4, enhancing the installation stability between the liquid outlet pipe 5 and the sampling box 4.

[0029] A feeding funnel 12 is fixedly connected to the pipe orifice position of the liquid outlet pipe 5. The feeding port opened on the storage box 72 corresponds to the position of the feeding funnel 12, which facilitates guiding the petroleum in the liquid outlet pipe 5 and enables the petroleum in the liquid outlet pipe 5 to be accurately introduced into the storage box 72 for storage, facilitating the staff to sample the petroleum.

[0030] During specific use, first, the control valve 9 can control the flow rate of the petroleum in the liquid outlet pipe 5. Then, the petroleum in the reaction kettle main body 1 is introduced into the storage box 72 inside the sampling box 4. Meanwhile, the staff provides driving force through the electric push rod 71, which can drive the storage box 72 to move in a limited way on the surface of the fixing rod 75, thereby controlling the position distance between the position of the blanking pipe 76 installed at the bottom of the storage box 72 and the collection assembly 8. Therefore, it is convenient to sample the petroleum. During the sampling process, the electromagnetic on the blanking pipe 76 can control the switch of the petroleum blanking, thus preventing the petroleum from spilling outside and causing unnecessary waste. Subsequently, through the cooperation of the movable plate 81 and the limit seat 82 in the collection assembly 8, it is convenient to place and take the collection box 83, thus facilitating the staff to take and detect the sampled petroleum.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sampling structure for a petrochemical reactor, comprising a reactor body (1), characterized in that: A support frame (2) is fixedly connected to the surface of the reactor body (1), a fixed frame (3) is fixedly connected to one side of the support frame (2), a sampling box (4) is fixedly connected to the fixed frame (3), a liquid outlet pipe (5) is connected to the reactor body (1), the inner cavity of the sampling box (4) is fixedly connected to a fixed plate (6), the inner cavity of the sampling box (4) is provided with a sampling mechanism (7), the lower end of the sampling mechanism (7) is movably connected to the fixed plate (6), and the bottom of the inner cavity of the sampling box (4) is provided with a collecting component (8) used in conjunction with the sampling mechanism (7).

2. The sampling structure of a petrochemical reactor according to claim 1, characterized in that: A control valve (9) is installed on the liquid outlet pipe (5), the pipe mouth of the liquid outlet pipe (5) penetrates the collecting box and extends downward, and a fixing piece (10) is provided at the connection between the liquid outlet pipe (5) and the sampling box (4).

3. The sampling structure of a petrochemical reactor according to claim 2, characterized in that: The sampling mechanism (7) comprises an electric push rod (71), which is mounted on the sampling box (4). The piston rod of the electric push rod (71) passes through the sampling box (4) and is fixedly connected to a storage box (72). The storage box (72) is located directly below the outlet of the liquid outlet pipe (5). A fixed block (73) is fixedly connected to the storage box (72) at a relative position. A sliding sleeve (74) is embedded on the fixed block (73). A fixed rod (75) is fixedly connected to the inner cavity of the sliding sleeve (74). The bottom of the fixed rod (75) is fixedly connected to the fixed plate (6). The bottom of the storage box (72) is connected to a feed pipe (76). A solenoid valve (77) is installed on the feed pipe (76). Through holes are provided at positions on the fixed plate (6) corresponding to the feed pipe (76). The bottom end of the feed pipe (76) is inserted into the through hole and extends downward.

4. The sampling structure of a petrochemical reactor according to claim 3, characterized in that: The collecting assembly (8) comprises a movable plate (81), a position on the movable plate (81) corresponding to the feeding tube (76) is fixedly connected to a limiting seat (82), and a collecting box (83) is clamped in the limiting seat (82).

5. The sampling structure of a petrochemical reactor according to claim 3, characterized in that: A spring (11) is sleeved on the fixing rod (75), the top of the spring (11) is fixed to the inner wall of the sampling box (4), and the bottom of the spring (11) is fixedly connected to the fixing block (73).

6. The sampling structure of a petrochemical reactor according to claim 2, characterized in that: The fixing member (10) comprises a fixing plate (101), the fixing plate (101) being fixed on the liquid outlet pipe (5), and positioning bolts (102) for use with the sampling box (4) being fixedly connected around the fixing plate (101).

7. The sampling structure of a petrochemical reactor according to claim 3, characterized in that: A feeding funnel (12) is fixedly connected to the pipe opening of the liquid outlet pipe (5), and a feeding port provided on the storage box (72) corresponds to the position of the feeding funnel (12).

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