Waste gas adjusting device of reactor

By designing an exhaust gas regulating device that includes a valve body and a flap, the problems of material volatilization and exhaust gas overflow in the reactor were solved, achieving negative pressure regulation and stable exhaust gas output, reducing energy consumption, and improving exhaust gas collection efficiency.

CN223868567UActive Publication Date: 2026-02-03JINCHUAN NICKEL COBALT RES & DESIGNING INST +1
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Patent Information

Application Number
CN202520693783.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-02-03
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Existing waste gas collection devices suffer from excessive volatilization of substances near the reactor and waste gas overflow at the far end, leading to environmental pollution and resource waste.

Method used

Design an exhaust gas regulating device including a valve body and a flap. The flap is rotated and connected by a flap shaft, and the position of the flap is adjusted by a locking device to achieve negative pressure regulation, thereby ensuring a stable negative pressure state in the reactor and a stable output of exhaust gas.

Benefits of technology

It effectively prevents reactor leakage, reduces material volatilization, maintains stable waste gas output, reduces energy consumption, and improves process recovery levels.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waste gas adjusting device of a reactor, belongs to the technical field of environment-friendly equipment, and solves the problems of excessive volatilization of substances in a near-end reactor and overflow of waste gas generated by a far-end reactor in the existing waste gas collecting device. The valve comprises a valve body and a turning plate, the valve body is of a hollow structure, the turning plate is rotationally connected into the valve body through a turning plate shaft, and one end of the turning plate shaft penetrates through one side of the valve body and is connected with a locking device. The device is simple in structure and stable in operation, the environment-friendly air volume in the reactor is effectively adjusted and balanced through the adjustable turning plate, the power consumption of the negative pressure fan is saved, the effects of improving the process recovery level and reducing the energy consumption are achieved, and the device has extremely high application value.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of environmental protection equipment, and particularly relates to a waste gas adjusting device of reactor. BACKGROUND

[0002] In the hydrometallurgy production process, the atmospheric or negative pressure reactor such as leaching tank, reaction kettle and extraction box has acid mist, organic volatile and various toxic and harmful gases overflowing from the reactor in the working process, these waste gases not only cause environmental pollution, but also affect the health of workers, in order to the health of workers and environmental friendliness, the waste gas generated in the reactor needs to be collected and treated, and discharged after reaching the standard, and the collection method is generally to uniformly or zonally set negative pressure fan and waste gas collecting device and absorb to the waste gas generating place and lay pipeline transportation.

[0003] At present, most of the pipelines are directly connected with the reactor, and butterfly valves or plug valves are installed on the reactor connecting pipe as cut-off valves, but there are problems that the near end of the distance fan has a large negative pressure at the outlet of the reactor, so that the reactor port leaks air, and the substances in the atmospheric or negative pressure reactor continue to evaporate, causing waste; at the same time, the far end reactor has a small negative pressure and cannot suck the waste gas to overflow, causing environmental pollution. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a kind of waste gas adjusting device of reactor to solve the problems of excessive volatilization of near end reactor substance and waste gas overflow reactor generated by existing waste gas collecting device.

[0005] The technical scheme of the utility model is: a kind of waste gas adjusting device of reactor, including valve body and flap, valve body is hollow structure, flap is rotationally connected in valve body by flap shaft, and one end of flap shaft penetrates one side of valve body and is connected with locking device.

[0006] As a further improvement of the utility model, the locking device includes a handle and an adjusting link, the adjusting link is hingedly connected to the outer surface of the valve body, a sliding groove is provided in the adjusting link, one end of the handle is connected to the flap shaft, the other end of the handle is provided with a threaded rod, the threaded rod is slidingly connected in the sliding groove, a locking nut is installed on the threaded rod, and the handle and the threaded rod are driven together to change the position of the flap and adjust the negative pressure of the reactor.

[0007] As a further improvement of the utility model, a pressure gauge is provided on the valve body to display the negative pressure in the reactor.

[0008] As a further improvement of the utility model, connecting flanges are provided at both ends of the valve body for connecting to the reactor pipeline.

[0009] The utility model discloses an advantageous effect: the utility model discloses through adjusting the closing and opening state of flap and valve body, through the direct adjustment environmental protection air pipe's flow area, realizes negative pressure regulation, can maintain reactor for negative pressure state when the flap closes, avoids reactor's leakage also simultaneously keeps certain air supply amount. The utility model discloses still through adjusting mechanism makes waste gas can steady output, adjusts the stable negative pressure of reactor, realizes environmental protection wind flow balance, reduces the air leakage of each reactor waste gas's volume simultaneously, reduces the disorderly evaporation of the material in reactor. The utility model discloses simple structure, stable operation, the adjustable flap realizes the effective regulation and balance of environmental protection wind volume in reactor, saves the power consumption of negative pressure fan, reaches the effect of improving the process recovery level, reducing energy consumption, has very strong application value. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is structural schematic diagram of the utility model;

[0011] Figure 2 It is structural schematic diagram of the utility model embodiment 2.

[0012] In the drawing: 1 - valve body;2 - flap;3 - flap axle;4 - handle;5 - adjusting connecting rod;6 - locking bolt;7 - pressure gauge;8 - sliding groove;9 - threaded rod;10 - connecting flange. DETAILED DESCRIPTION

[0013] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0014] Embodiment 1,

[0015] As Figure 1 Shown, a reactor's waste gas adjusting device, including valve body 1 and flap 2, valve body 1 is hollow structure, flap 2 is rotatedly connected in valve body 1 through flap axle 3, and flap axle 3 one end penetrates one side of valve body 1 and is connected with locking device.

[0016] Locking device includes handle 4 and adjusting connecting rod 5, and adjusting connecting rod 5 is hinged on the outer surface of valve body 1, and sliding groove 8 is arranged in adjusting connecting rod 5, and one end of handle 4 is connected with flap axle 3, and the other end of handle 4 is equipped with threaded rod 9, and threaded rod 9 is slidably connected in sliding groove 8, and locking nut 6 is installed on threaded rod 9, and flap 2 position change is driven together to adjust reactor negative pressure.

[0017] Valve body 1 is equipped with pressure gauge 7.

[0018] The both ends of valve body 1 are equipped with connecting flange 10.

[0019] In the embodiment, valve body 1 is cuboid structure, and flap 2 is rectangular flap.

[0020] In use, the valve body 1 is connected to the connecting pipe of the reactor, and a certain gap is left between the flap 2 and the valve body 1, and a certain air volume is maintained when the flap 2 is closed, so that the residual waste gas in the reactor during the shutdown or system switching interval is not diffused in the plant house, and at the same time, the reactor is maintained in a negative pressure state, the flap 2 is opened, and the opening and closing size of the flap 2 is adjusted through the locking device.

[0021] At the same time, the flap 2 can be locked through the locking device, when the flap 2 is adjusted to the standard position, the locking nut 6 is rotated, the locking nut 6 is rotated inward on the threaded rod 9, the adjusting connecting rod 5 and the handle 4 are tightly attached, and when the locking nut 6 cannot be rotated any more, the fixation of the flap 2 is completed, the fixed flap 2 can stabilize the negative pressure in the reactor, the waste gas can be continuously discharged, the balance of the environmental protection air volume is effectively adjusted, the power consumption of the negative pressure fan is saved, and the air leakage of the waste gas of each reactor is reduced.

[0022] Taking the collection of organic volatile matters in a nickel sulfate extraction tank as an example, a group of nickel sulfate extraction and separation extraction tanks usually consists of dozens of extraction tanks, and two to three negative pressure branch pipes of each level are collected into a branch pipe, and the branch pipes are collected into an environmental protection total air pipe. Generally, the negative pressure of the tank body close to the environmental protection fan is larger, and the negative pressure of the tank body far away from the fan is smaller. The valve body 1 is installed in the negative pressure branch pipe section of the extraction tank, the opening of the flap 2 is adjusted, the negative pressure is stabilized at about -50 Pa, the balance of the environmental protection air volume is realized, the evaporation loss of the extractant is serious due to excessive negative pressure, and waste is caused.

[0023] The acid mist generated in the atmospheric leaching process of nickel-cobalt hydroxide, the slurry tank and the leaching tank is sucked into the acid mist treatment environmental protection total air pipe through the environmental protection air pipe on each tank, the flap valve is adjusted, the negative pressure in the reactor is stabilized at about -80 Pa, and under the premise of ensuring that the acid mist is not leaked, the negative pressure is not too large, and the load of the fan is increased.

[0024] Example 2,

[0025] As Figure 2 shown, in the embodiment, the valve body 1 is changed into a cylinder, and the flap 2 is changed into an ellipse, so that the utility model can also be applied to a circular pipeline, and the application property is increased.

Claims

1. A waste gas conditioning device for a reactor, characterized in that: It includes a valve body (1) and a flap (2). The valve body (1) is a hollow structure. The flap (2) is rotatably connected inside the valve body (1) through a flap shaft (3). One end of the flap shaft (3) passes through one side of the valve body (1) and is connected to a locking device.

2. The waste gas conditioning device for a reactor according to claim 1, characterized in that: The locking device includes a handle (4) and an adjusting rod (5). The adjusting rod (5) is hinged to the outer surface of the valve body (1). The adjusting rod (5) is provided with a sliding groove (8). One end of the handle (4) is connected to the flap shaft (3). The other end of the handle (4) is provided with a threaded rod (9). The threaded rod (9) is slidably connected in the sliding groove (8). A locking nut (6) is installed on the threaded rod (9).

3. The waste gas conditioning device for a reactor according to claim 1 or 2, characterized in that: The valve body (1) is equipped with a pressure gauge (7).

4. The waste gas conditioning device for a reactor according to claim 3, characterized in that: The valve body (1) is provided with connecting flanges (10) at both ends.