一种电石法PVC装置中转化热水的热量综合利用装置
By optimizing the heat exchange structure of the calcium carbide-based PVC plant and adopting a combined design of fixed plates, moving pressure plates, and heat insulation components, the problem of heat loss from the heat exchange plates was solved, the heat exchange efficiency of the waste sodium hypochlorite solution and the recovery rate of acetylene gas were improved, and the production cost was reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINJIANG HUATAI HEAVY CHEM CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-07-17
AI Technical Summary
In calcium carbide-based PVC plants, the outer side of the heat exchange plate of the double-effect radiator is prone to heat loss, resulting in heat loss of hot water and affecting the heat exchange efficiency of waste sodium hypochlorite solution.
It adopts a combination structure of fixed plate, movable pressure plate and heat insulation component, which is fastened by screw kit. Combined with the design of transmission rod, fixed cover and magnetic ring, it reduces heat loss and improves heat preservation effect.
It significantly improves the heat exchange efficiency of waste sodium hypochlorite solution, increases the recovery rate of acetylene gas, reduces production costs, saves electricity, optimizes the process flow, and improves production efficiency.
Smart Images

Figure CN224517507U_ABST
Abstract
Claims
1. A heat utilization device for converting hot water in a calcium carbide-based PVC plant, comprising a fixed plate (1), a screw assembly (2), and a movable pressure plate (3), characterized in that: The inner side of the fixed plate (1) is fixedly connected to the movable pressure plate (3) by a number of screw kits (2). The two mounting rods on the side of the fixed plate (1) near the movable pressure plate (3) are provided with a number of heat exchange plates (4). The fixed plate (1) near the movable pressure plate (3) is fixedly connected to a fixed ear plate (5). A heat-insulating component (6) is slidably connected to the inner side of the fixed ear plate (5). The heat-insulating component (6) includes a transmission lever (61). A cover assembly (62) is slidably connected to the outer side of the transmission lever (61). The cover assembly (62) includes a connecting ear plate (621). A fixed cover (622) is fixedly connected to the outer side of the connecting ear plate (621). A movable cover (623) is slidably connected to the outer side of the fixed cover (622). A magnet ring (624) is fixedly connected to the end of the movable cover (623) away from the fixed plate (1). A control component (63) is fixedly connected to the end of the transmission lever (61) away from the connecting ear plate (621). The control component (63) includes a control lever (631), a limiting protrusion (632) is fixedly connected to the side of the control lever (631) away from the transmission lever (61), a telescopic spring (633) is provided on the outside of the limiting protrusion (632), and a fixing shell (634) is provided on the outside of the telescopic spring (633).
2. The device for comprehensive utilization of heat for converting hot water in a calcium carbide method PVC plant according to claim 1, characterized in that: There are four fixed ear plates (5). The fixed ear plates (5) are parallel to each other on the same plane. The fixed ear plates (5) are arranged between a pair of connecting ear plates (621) on the same side of the fixed cover (622). The line connecting the fixed ear plates (5) forms a rectangle.
3. The device for comprehensive utilization of heat for converting hot water in a calcium carbide method PVC plant according to claim 1, characterized in that: There are four transmission levers (61). The transmission levers (61) are arranged symmetrically in pairs on both sides of the fixed cover (622). Each pair of transmission levers (61) is arranged symmetrically inside the fixed cover (634). The transmission levers (61) slide inside the fixed cover (634).
4. The device for comprehensive utilization of heat for converting hot water in a calcium carbide method PVC plant according to claim 1, characterized in that: There are two fixed shells (634). The fixed shells (634) are symmetrically arranged on both sides of the fixed cover (622). The fixed shells (634) are both located at the center between the same set of connecting ear plates (621) on both sides of the fixed cover (622). The fixed shells (634) are fixedly connected to the fixed plate (1) on the side near the moving pressure plate (3).
5. The device for comprehensive utilization of heat for converting hot water in a calcium carbide method PVC plant according to claim 1, characterized in that: Each of the fixed housings (634) has two mutually symmetrical control levers (631) slidably connected inside. The two ends of the telescopic springs (633) provided inside the fixed housings (634) are respectively in close contact with the two control levers (631). The compression variable of the telescopic springs (633) is twice the sum of the minimum distance of the transmission lever (61) protruding from the connecting ear plate (621) and the thickness of the connecting ear plate (621).
6. The device for comprehensive utilization of heat for converting hot water in a calcium carbide method PVC plant according to claim 1, characterized in that: The fixed cover (622) is sleeved on the outside of several heat exchange plates (4). One end of the fixed cover (622) is in close contact with the outside of the fixed plate (1). The fixed cover (622) is arranged between several screw assembly (2). The outer side of the fixed cover (622) and the inner side of the movable cover (623) are provided with limit clamps. The movable cover (623) is connected to the metal movable pressure plate (3) by the magnetism of the magnet ring (624).
7. The device for comprehensive utilization of heat for converting hot water in a calcium carbide method PVC plant according to claim 1, characterized in that: Each of the transmission rods (61) passes through both the fixed ear plate (5) and the connecting ear plate (621). There is a gap between the fixed ear plate (5) and the connecting ear plate (621) on each of the transmission rods (61). The axis of each set of transmission rods (61) is on the same vertical line. A pair of connecting ear plates (621) on the same side of the fixed cover (622) are symmetrical about the center line of the fixed cover (622).