CN-121988265-A - Novel chemical production is with wear-resisting synthetic cauldron

CN121988265ACN 121988265 ACN121988265 ACN 121988265ACN-121988265-A

Abstract

The invention relates to the technical field of synthesis kettle equipment, in particular to a novel wear-resistant synthesis kettle for chemical production, which comprises a feeding unit, a stirring unit, a temperature control unit and a discharging unit, wherein a feeding hole of the feeding unit is communicated with a synthesis cavity of the synthesis kettle, a stirring shaft of the stirring unit and a stirring blade set are arranged in the synthesis cavity, a wear-resistant component of the discharging unit is arranged at the bottom of the synthesis cavity, the discharging hole of the discharging unit is positioned at one side of the wear-resistant component, the wear-resistant component is in a plurality of concentric circle structures taking the stirring shaft as a circle center, a flowing ring cavity is arranged between two adjacent concentric circles, and the height of the whole concentric circle structure is gradually reduced along the direction facing the discharging hole. The novel wear-resistant synthetic kettle for chemical production, which adopts the structure, has excellent wear resistance and temperature control accuracy, and tangential flow of material movement is converted into turbulent flow rolling up and down after striking the wear-resistant component with a concentric circle structure, so that main vortex is destroyed, and direct scouring of the material to the bottom of the synthetic cavity and the discharge port is reduced.

Inventors

DONG RUQUAN
QIU GANG
WANG WENXING
DONG HAO
WANG FEI

Assignees

山东华阳迪尔化工股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260402

Claims (10)

1. The novel wear-resistant synthetic kettle for chemical production is characterized by comprising a feeding unit, a stirring unit, a temperature control unit and a discharging unit, wherein a feeding hole of the feeding unit is communicated with a synthetic cavity of the synthetic kettle, a stirring shaft and a stirring blade set of the stirring unit are arranged in the synthetic cavity, a wear-resistant component of the discharging unit is arranged at the bottom of the synthetic cavity, the discharging hole of the discharging unit is positioned at one side of the wear-resistant component, the wear-resistant component is of a plurality of concentric circle structures taking the stirring shaft as a circle center, a flowing ring cavity is arranged between two adjacent concentric circles, and the height of the whole concentric circle structure is gradually reduced along the direction facing the discharging hole.
2. The novel chemical production wear-resistant synthesis kettle as set forth in claim 1, wherein the stirring shaft is provided with a plurality of first stirring blades from top to bottom, and the stirring shaft penetrates through the bottom of the synthesis kettle and is connected with the stirring motor through a speed reducer.
3. The novel chemical production wear-resistant synthesis kettle as set forth in claim 1, wherein the hydrothermal interlayer of the temperature control unit is arranged on the side wall of the synthesis kettle, a plurality of hydrothermal annular pipes are arranged in the hydrothermal interlayer from top to bottom in a segmented mode, and each hydrothermal annular pipe is provided with a water inlet and a water outlet.
4. The novel chemical production wear-resistant synthetic kettle as set forth in claim 1, wherein a top cover is arranged at the feed inlet of the feed unit, a manhole and a manhole cover matched with the manhole are arranged on one side of the feed inlet, the manhole cover is hinged with one side of the manhole, a cover opening cylinder hinged with the manhole cover is hinged with the side wall of the synthetic kettle, and a monitoring assembly is arranged around the feed inlet.
5. The novel chemical production wear-resistant synthesis kettle as set forth in claim 4, wherein the monitoring assembly comprises a temperature sensor, a pressure sensor, a pH sensor and a sampling valve.
6. The novel chemical production wear-resistant synthesis kettle according to claim 2, wherein the height of the concentric circle structure gradually decreases along the direction facing the discharge port to form an inclined guide angle of 5-10 degrees, the discharge port is positioned on one side of the stirring shaft, and the first stirring blade is arranged in an arc shape.
7. The novel chemical production wear-resistant synthesis kettle according to claim 6, wherein the stirring shaft is connected with the second stirring scraper through a connecting rod, and the second stirring scraper is contacted with the side wall of the synthesis cavity.
8. The novel chemical production wear-resistant synthesis kettle as set forth in claim 7, wherein the side wall of the synthesis cavity, the stirring shaft, the first stirring blade and the second stirring blade are provided with wear-resistant coatings.
9. The novel chemical production wear-resistant synthetic kettle as claimed in claim 8, wherein the wear-resistant coating is composed of nickel, silicon, vanadium, tungsten, iron, carbon, molybdenum, manganese, chromium and boron.
10. The novel chemical production wear-resistant synthetic kettle as claimed in claim 8, wherein the thickness of the wear-resistant coating is 8-12mm.

Description

Novel chemical production is with wear-resisting synthetic cauldron Technical Field The invention relates to the technical field of synthesis kettle equipment, in particular to a novel wear-resistant synthesis kettle for chemical production. Background In the chemical production process, the synthesis kettle is core equipment for realizing various chemical reactions, and the performance of the synthesis kettle directly influences the reaction efficiency, the product quality and the production safety. However, the existing chemical synthesis kettles face a plurality of technical pain points in the long-term use process, and the severe requirements of modern chemical production on high efficiency, stability and wear resistance are difficult to meet. First, insufficient wear resistance is a common problem with conventional synthesis kettles. The chemical reaction materials often contain solid particles and corrosive media, and continuous scouring and friction can be generated on the side wall of the synthesis cavity, the stirring shaft and the stirring blade in the stirring process, so that the surfaces of the components are seriously worn, the service life of equipment is shortened, impurities possibly generated by wear are mixed into a reaction system, the purity of the product is influenced, and even potential safety hazards such as equipment leakage are caused. The existing partial synthesis kettles are provided with wear-resistant structures, but most of the existing partial synthesis kettles are single coatings or simple wear-resistant parts, the wear-resistant effects are limited, and the existing partial synthesis kettles are difficult to adapt to complex flowing states of materials in the stirring process. Secondly, the temperature control accuracy is insufficient. Chemical reactions are mostly sensitive to temperature, and excessive temperature fluctuation can influence the reaction progress and the product quality. The temperature control interlayer of the existing synthesis kettle is of an integral structure, so that accurate temperature control of different height areas of the synthesis cavity is difficult to realize, uneven temperature distribution in the cavity is caused, and instability of reaction is further aggravated. Based on the defects of the prior art, research and development of a novel chemical production synthesis kettle with excellent wear resistance and accurate temperature control is needed, so that the problem that solid materials at the bottom of the synthesis kettle are washed out and rubbed at the bottom of the kettle under the stirring action of a stirrer in the production process is solved, equipment damage is caused, the service life of the equipment is shortened, the production cost is increased, and the high-efficiency, stable and safe requirements of chemical production are met. Disclosure of Invention The invention aims to provide a novel wear-resistant synthetic kettle for chemical production, which has excellent wear resistance and temperature control accuracy, and the wear-resistant component can guide materials to smoothly flow along a flow ring cavity, so that direct scouring of the materials to the bottom of the synthetic cavity and a discharge hole is reduced. In order to achieve the above purpose, the invention provides a novel wear-resistant synthetic kettle for chemical production, which comprises a feeding unit, a stirring unit, a temperature control unit and a discharging unit, wherein a feeding hole of the feeding unit is communicated with a synthetic cavity of the synthetic kettle, a stirring shaft and a stirring blade set of the stirring unit are arranged in the synthetic cavity, a wear-resistant component of the discharging unit is arranged at the bottom of the synthetic cavity, a discharging hole of the discharging unit is positioned at one side of the wear-resistant component, the wear-resistant component is in a plurality of concentric circle structures taking the stirring shaft as a circle center, a flowing ring cavity is arranged between two adjacent concentric circles, and the height of the whole concentric circle structure is gradually reduced along the direction facing the discharging hole. Preferably, the stirring shaft is sequentially provided with a plurality of first stirring blades from top to bottom, and the stirring shaft penetrates through the bottom of the synthesis kettle and is connected with the stirring motor through a speed reducer. Preferably, the hydrothermal interlayer of the temperature control unit is arranged on the side wall of the synthesis kettle, a plurality of hydrothermal annular pipes are arranged in the hydrothermal interlayer from top to bottom in a segmented mode, and each hydrothermal annular pipe is provided with a water inlet and a water outlet. Preferably, a top cover is arranged at the feed inlet of the feed unit, a manhole and a manhole cover matched with the manhole are arranged on one side of the feed inlet, t