Search

CN-224221291-U - Chemical industry safety feeding device

CN224221291UCN 224221291 UCN224221291 UCN 224221291UCN-224221291-U

Abstract

The application provides a chemical safety feeding device, which relates to the technical field of chemical safety and comprises a transfusion tube, wherein chemical liquid is fed into a kettle-type reactor, the gas tube penetrates through the transfusion tube and extends to a liquid outlet end to be flush with a port of the gas tube, a cavity for passing the liquid is formed between an outer ring of the gas tube and an inner ring of the transfusion tube, and the chemical safety feeding device is provided with a threaded part, which is arranged on the outer ring of the gas tube, extends towards the liquid outlet end in a threaded manner, is provided with an opening, penetrates through the gas tube and is positioned in a threaded coverage area of the threaded part, and is used for passing inert gas. According to the application, through the gas transmission pipe which is arranged in combination with the liquid transmission pipe, the experimental liquid is intermittently injected in the pressure process when the liquid is input, and the liquid is uniformly scattered at most positions in the kettle-type reactor in the rotating process, so that the effect of promoting the reaction is realized, and the reaction time is shortened.

Inventors

  • FAN HUI
  • LI YAN
  • Ma Jianzu

Assignees

  • 樊惠

Dates

Publication Date
20260512
Application Date
20250523

Claims (5)

  1. 1. The utility model provides a chemical industry safety feeding device which characterized in that includes: a transfusion tube (1) for chemical liquid to enter the kettle type reactor; The gas-supply pipe (2) passes through the infusion pipe (1) and extends to the liquid outlet end to be flush with the port of the gas-supply pipe (2), and the outer ring of the gas-supply pipe (2) and the inner ring of the infusion pipe (1) form a cavity for liquid to pass through, and the gas-supply pipe comprises: the screw thread part (21) is arranged on the outer ring of the gas pipe (2) and extends to the liquid outlet end in a screw thread manner; An opening (22) penetrating through the gas pipe (2) and located in the threaded coverage area of the threaded part (21) for the inert gas to pass through; a spring (23) provided at the distal end of the screw part (21); A threaded sleeve (3) which is screwed onto the threaded portion (21) and covers at least half of the penetration path of the opening (22), is in elastic contact with the spring (23), and further comprises: The arc-shaped groove (30) is formed in the outer ring of the thread sleeve (3), and the thread sleeve (3) is driven by liquid pressure to generate circumferential rotation and expose the opening (22) to more penetrating areas; The transverse plate (31) is arranged on the thread sleeve (3), and when the thread sleeve (3) rotates, the liquid is subjected to circumferential thrust and is output from the liquid outlet end along the parabolic direction.
  2. 2. The chemical safety feeding device according to claim 1, further comprising: the concave ring (11) is arranged at the inner ring of the infusion tube (1) and comprises a concave part facing the liquid outlet end; and the blocking ring (32) is arranged on the threaded sleeve (3) and extends to the recessed ring (11) to inhibit liquid from flowing to the liquid outlet.
  3. 3. The chemical safety feeding device according to claim 2, further comprising: The guide inclined plane (311) is arranged at the inclined end of the transverse plate (31) towards the liquid outlet end, the guide inclined plane (311) forms an acute angle of fifteen to thirty degrees with the liquid flowing direction, and centrifugal diffusion liquid discharge is generated through the guide of the inclined plane when the thread sleeve (3) rotates.
  4. 4. A chemical safety feeding device according to claim 3, characterized in that a cavity for gas to rise helically is formed between the opening (22) and the threaded portion (21).
  5. 5. The chemical safety feeding device according to claim 4, wherein a reverse spiral groove with the opposite rotation direction to the thread part (21) is arranged on the inner wall of the infusion tube (1) near the liquid outlet end, and the shearing force opposite to the rotation direction of the thread sleeve (3) is generated under the action of the reverse spiral groove when the liquid flows.

Description

Chemical industry safety feeding device Technical Field The utility model relates to the technical field of chemical engineering safety, in particular to a chemical engineering safety feeding device. Background In the field of chemical production, a safe feeding device is core equipment for guaranteeing the controllability of a reaction process. The traditional feeding system realizes quantitative feeding of solid or liquid raw materials through cooperation of an automatic valve group and a weighing module, and is provided with a sealed conveying pipeline and an explosion-proof component to reduce leakage risk. Along with the improvement of the process refinement requirement, the modern device integrates a PLC control system, can preset a multi-section feeding program and monitor flow and temperature parameters in real time, obviously improves feeding precision and operation safety, and is particularly suitable for pilot scale and large-scale production scenes of high-risk chemicals. However, the prior art still has a bottleneck for the uniformity of the liquid raw material distribution. Due to the difference of liquid viscosity and the residual effect of pipelines, flow fluctuation easily occurs during multi-channel material distribution, so that the material proportion of each reaction unit is unbalanced. To make up for the defect, enterprises often need to add static mixers or circulating stirring devices, which not only increases equipment investment and energy consumption, but also can influence the stability of sensitive materials due to local overshearings. The passive compensation mode of material separation and mixing has become a key technical obstacle for limiting the efficiency and the consistency of products of continuous production processes. Therefore, the improvement is made by us, and a chemical safety feeding device is provided. Disclosure of utility model In order to achieve the above object, the present utility model provides a chemical safety feeding device, so as to improve the above problems. The application is specifically as follows: Comprising the following steps: the infusion tube is used for allowing chemical liquid to enter the kettle-type reactor; The gas-supply pipe passes through the infusion pipe and extends to the liquid outlet end to be flush with the port of the gas-supply pipe, and the outer ring of the gas-supply pipe and the inner ring of the infusion pipe form a cavity for liquid to pass through, and the gas-supply pipe has: the threaded portion of the threaded portion, the outer ring of the gas pipe extends to the liquid outlet end in a threaded manner; an opening penetrating the gas pipe and located in the thread coverage area of the thread part for the inert gas to pass through; A spring disposed at the distal end of the threaded portion; The threaded sleeve, threaded connection is on screw thread portion and cover half the route of wearing of opening at least, with spring elastic contact, still include: The arc-shaped groove is formed in the outer ring of the threaded sleeve, and the threaded sleeve is driven by liquid pressure to generate circumferential rotation and expose the opening to more penetrating areas; The transverse plate is arranged on the thread sleeve, and when the thread sleeve rotates, the liquid is enabled to receive circumferential thrust and output from the liquid outlet end along the parabolic direction. Preferably, the method further comprises: the concave ring is arranged on the inner ring of the infusion tube, comprises a concave and faces the liquid outlet end; And the blocking ring is arranged on the threaded sleeve and extends to the concave ring to inhibit liquid from flowing to the liquid outlet. Preferably, the method further comprises: The flow guiding inclined plane is arranged at the inclined end of the transverse plate towards the liquid outlet end, and forms an acute angle of fifteen to thirty degrees with the liquid flowing direction, and centrifugal diffusion liquid discharge is generated through the guiding of the inclined plane when the threaded sleeve rotates. Preferably, a cavity for gas to rise spirally is formed between the opening and the screw portion. Preferably, the inner wall of the infusion tube is provided with a reverse spiral groove with the opposite rotation direction to the thread part near the liquid outlet end, and the liquid is acted by the reverse spiral groove to generate a shearing force with the opposite rotation direction to the thread sleeve when flowing through. Compared with the prior art, the utility model has the beneficial effects that: In the scheme of the application: In order to solve the problem that dangerous liquid is led into the kettle-type reactor by the feeding device in the prior art and is accumulated and infused due to unstable chemical property, the application realizes the effect of promoting the reaction and shortens the reaction time by arranging the gas pipe which is combined wit