Hydrolysis reaction device for anthraquinone production
By using a convex connector and a sealing structure in the hydrolysis reactor for anthraquinone production, the leakage problem between reactors was solved, achieving a better sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-03-31
AI Technical Summary
In the production of anthraquinone, gas or liquid leaks can easily occur between reaction vessels.
A hydrolysis reaction apparatus for anthraquinone production was designed. By using convex connectors and joints at the interface of the connecting pipe between the reactors, combined with sealing structures, sealing rubber rings, circular rings, double-layer circular rings, bolts and nuts, the sealing performance is enhanced to avoid leakage.
It effectively prevents gas or liquid leakage between reaction vessels and improves the sealing and tightness of the connecting pipe interfaces.
Smart Images

Figure CN224057351U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to anthraquinone production technical field, especially relate to a hydrolysis reaction device for anthraquinone production. BACKGROUND
[0002] Anthraquinone is a yellow needle-like crystalline solid, insoluble in water, but soluble in ethanol, diethyl ether and acetone, anthraquinone is very important as dye intermediate, through sulfonation, chlorination, nitration etc. Reaction, can prepare the dye intermediate of extensive range, for producing anthraquinone system dispersing dye, acid dye, vat dye, reactive dye etc.
[0003] In order to avoid the gas or liquid leakage between the production reaction kettle in the process of anthraquinone production, a hydrolysis reaction device for anthraquinone production is designed, the device is through in the connecting pipe between the reaction kettle and the reaction kettle, adds the sealing effect of the connecting pipe interface between the reaction kettle, namely the connecting pipe interface between the reaction kettle and the reaction kettle can be strengthened, can avoid the gas or liquid leakage between the reaction kettle and the reaction kettle. UTILITY MODEL CONTENT
[0004] The utility model discloses a hydrolysis reaction device for anthraquinone production, which has enhanced sealing of the connecting pipe interface between the reaction kettle and the reaction kettle, and can avoid gas or liquid leakage between the reaction kettles.
[0005] The utility model solves the technical scheme as follows: a hydrolysis reaction device for anthraquinone production, it includes reaction kettle one and reaction kettle two: the surface of reaction kettle one and reaction kettle two all is connected with feed pipe and discharge pipe, the right -hand member of discharge pipe is connected with the female coupling, the left -hand member of feed pipe is connected with the connecting head, and the reaction kettle one and reaction kettle two are communicated through discharge pipe, female coupling, connecting head and elbow pipe, the inner chamber of female coupling is all provided with sealing structure, the sealing structure includes the recess that sets up in the female coupling inner chamber, the inner chamber of recess is equipped with sealing rubber ring, the surface of female coupling and connecting head is all fixedly connected with circular ring, and the surface of female coupling and connecting head is slidably connected with double -deck circular ring.
[0006] Preferably, the recess is located at the left end of the female coupling, and the right end of the connecting head is slidably connected to the inner chamber of the recess.
[0007] Preferably, the surface of the circular ring and the double -deck circular ring is provided with a threaded hole, the inner chamber of the threaded hole is threadedly connected with a bolt, and the surface of the bolt is threadedly connected with a nut.
[0008] Preferably, the circular ring and the double-layered circular ring are fixedly connected by bolts and nuts, and an auxiliary sealing ring is sleeved on the right side of the inner cavity of the connector.
[0009] Preferably, the surfaces of the two-layer rings are all fitted with concave rings, and the left and right sides of the inner cavity of the concave rings are fixedly connected with limit connecting rings, and the opposite sides of the two two-layer rings are provided with connecting annular grooves.
[0010] Preferably, the surface of the limiting connecting ring is fitted into the inner cavity of the connecting annular groove, and the bottoms of both reactor one and reactor two are fixedly connected to support legs by bolts.
[0011] The beneficial effects of this utility model are:
[0012] 1. This utility model uses the convex opening at the right end of the convex connector to slide into the inner cavity of the groove at the left end of the connector. Then, the convex connector and the connector are fixed by bolts and nuts. Under the action of the sealing rubber ring and the auxiliary sealing ring, the airtightness between the convex connector and the connector is strengthened, thereby achieving the purpose of strengthening the sealing at the interface of the connecting pipe between the reactors and avoiding gas or liquid leakage between the reactors.
[0013] 2. By setting the concave ring, this utility model can provide auxiliary reinforcement between the double-layer rings, which can achieve better sealing effect and better airtightness after the convex connector and connector are fixedly connected.
[0014] 3. Through the cooperation of the limiting connecting ring and the connecting annular groove, this utility model can ensure that after the concave ring is fitted onto the surface of the two double-layer rings, the inner wall of the concave ring and the surface of the double-layer rings are subject to a limiting force, which enables the concave ring to apply a better reinforcing force to the two double-layer rings. Attached Figure Description
[0015] in:
[0016] Figure 1 This is a front view schematic diagram of one embodiment of the present utility model;
[0017] Figure 2 This is a front view schematic diagram of one embodiment of the present utility model;
[0018] Figure 3 This is a schematic cross-sectional view of a convex connector and a connector according to an embodiment of the present invention;
[0019] Figure 4 This is a schematic cross-sectional view of a convex connector and a connector according to an embodiment of the present invention;
[0020] Figure 5This is one embodiment of the present utility model. Figure 2 A magnified view of point A in the middle.
[0021] The attached diagram lists the components represented by each number as follows:
[0022] 1. Reactor 1, 2. Reactor 2, 3. Feed pipe, 4. Discharge pipe, 5. Protruding connector, 6. Connector, 7. Bent pipe, 8. Sealing structure, 81. Groove, 82. Sealing rubber ring, 83. Circular ring, 84. Double-layer circular ring, 9. Bolt, 10. Nut, 11. Auxiliary sealing ring, 12. Concave ring, 13. Limiting connecting ring, 14. Connecting annular groove, 15. Support leg. Detailed Implementation
[0023] In the following description, embodiments of the anthraquinone production hydrolysis apparatus of the present invention will be described with reference to the accompanying drawings.
[0024] Example 1:
[0025] Figures 1-5 This invention illustrates a hydrolysis reaction apparatus for anthraquinone production according to an embodiment of the present invention, comprising: a first reactor 1 and a second reactor 2; both reactor 1 and reactor 2 are connected to a feed pipe 3 and a discharge pipe 4, respectively; the right end of the discharge pipe 4 is connected to a protruding connector 5, and the left end of the feed pipe 3 is connected to a connector 6; reactor 1 and reactor 2 are connected via the discharge pipe 4, the protruding connector 5, the connector 6, and a bent pipe 7; the inner cavity of the protruding connector 5 is provided with a sealing structure 8, the sealing structure 8 including a groove 81 formed in the inner cavity of the protruding connector 5, and a sealing rubber ring 82 sleeved in the inner cavity of the groove 81; the surfaces of the protruding connector 5 and the connector 6 are fixedly connected. The connector 83 is connected to a double-layer ring 84 that is slidably connected to the surfaces of the convex connector 5 and the connector 6. The groove 81 is located at the left end of the convex connector 5, and the right end of the connector 6 is slidably connected to the inner cavity of the groove 81. The surfaces of the ring 83 and the double-layer ring 84 are provided with screw holes. The inner cavity of the screw hole is threaded with a bolt 9, and the surface of the bolt 9 is threaded with a nut 10. The surfaces of the two double-layer rings 84 are jointly fitted with a concave ring 12. The concave ring 12 provides an auxiliary reinforcing force between the double-layer rings 84, which enables the convex connector 5 and the connector 6 to achieve a better sealing effect and better airtightness after being fixedly connected.
[0026] Example 2:
[0027] Figures 1-5This invention illustrates a hydrolysis reaction apparatus for anthraquinone production according to an embodiment of the present invention, comprising: a first reactor 1 and a second reactor 2; both reactor 1 and reactor 2 are connected to a feed pipe 3 and a discharge pipe 4, respectively; the right end of the discharge pipe 4 is connected to a protruding connector 5, and the left end of the feed pipe 3 is connected to a connector 6; reactor 1 and reactor 2 are connected via the discharge pipe 4, the protruding connector 5, the connector 6, and a bent pipe 7; the inner cavity of the protruding connector 5 is provided with a sealing structure 8, the sealing structure 8 including a groove 81 formed in the inner cavity of the protruding connector 5, and a sealing rubber ring 82 sleeved in the inner cavity of the groove 81; both the protruding connector 5 and connector 6 are fixedly connected to a circular ring 83, and both the protruding connector 5 and connector 6 are slidably connected to a double-layer circular ring 8. 4. The circular ring 83 and the double-layer circular ring 84 are fixedly connected by bolts 9 and nuts 10. An auxiliary sealing ring 11 is fitted on the right side of the inner cavity of the connector head 6. Limiting connecting rings 13 are fixedly connected to both sides of the inner cavity of the concave ring 12. A connecting annular groove 14 is opened on the opposite side of the two double-layer circular rings 84. The surface of the limiting connecting ring 13 is fitted into the inner cavity of the connecting annular groove 14. Through the cooperation of the limiting connecting ring 13 and the connecting annular groove 14, the inner wall of the concave ring 12 and the surface of the double-layer circular ring 84 are limited by a limiting force after the concave ring 12 is fitted on the surface of the two double-layer circular rings 84. This allows the concave ring 12 to apply a better reinforcing force to the two double-layer circular rings 84. The bottom of both reactor 1 and reactor 2 are fixedly connected to support legs 15 by bolts.
[0028] Working principle: When using this utility model, the user connects and fixes the convex connector 5 and connector 6 to the discharge pipe 4 and the feed pipe 3 respectively. Then, the convex end of the right end of the convex connector 5 is slidably connected to the inner cavity of the groove 81 at the left end of the connector 6. Next, the double-layer rings 84 on the surface of the convex connector 5 and connector 6 are slid, and the two double-layer rings 84 slide relative to each other. Then, the convex connector 5 and connector 6 are fixed by the bolt 9 and the nut 10. At the same time, the sealing rubber ring 82 and the auxiliary sealing ring 11 can achieve better sealing between the convex connector 5 and connector 6, thereby strengthening the sealing between the convex connector 5 and connector 6. This strengthens the sealing at the interface of the connecting pipe between the reactors and prevents gas or liquid leakage between the reactors.
[0029] In summary, the anthraquinone production hydrolysis reactor uses a convex connector 5 with its right end convexly slidably connected to the inner cavity of the groove 81 on the left end of connector 6. Connectors 5 and 6 are then fixed using bolts 9 and nuts 10. Furthermore, the sealing rubber ring 82 and auxiliary sealing ring 11 enhance the airtightness between connectors 5 and 6, thereby improving the sealing at the connection pipe interface between the reactors and preventing gas or liquid leakage between them.
Claims
1. A hydrolysis reaction apparatus for the production of anthraquinone, characterized in that, The utility model provides a reaction kettle, including reaction kettle one (1) and reaction kettle two (2), the surface of reaction kettle one (1) and reaction kettle two (2) are connected with feed pipe (3) and discharge pipe (4), the right end of discharge pipe (4) is connected with lug connector (5), the left end of feed pipe (3) is connected with connector (6), and the reaction kettle one (1) and reaction kettle two (2) are communicated through discharge pipe (4), lug connector (5), connector (6) and elbow pipe (7), the inner chamber of lug connector (5) is all provided with sealing structure (8), sealing structure (8) includes the recess (81) of lug connector (5) inner chamber, the inner chamber of recess (81) is sleeved with sealing rubber ring (82), the surface of lug connector (5) and connector (6) is fixedly connected with circular ring (83), and the surface of lug connector (5) and connector (6) is slidably connected with double-layer circular ring (84).
2. The hydrolysis reaction apparatus for anthraquinone production according to claim 1, characterized by The recess (81) is located at the left end of the lug connector (5), and the right end of the connector (6) is slidably connected in the inner chamber of the recess (81).
3. The hydrolysis reaction apparatus for anthraquinone production according to claim 2, characterized by The surface of the circular ring (83) and the double-layer circular ring (84) is provided with a threaded hole, the inner chamber of the threaded hole is threadedly connected with a bolt (9), and the surface of the bolt (9) is threadedly connected with a nut (10).
4. The hydrolysis reaction apparatus for anthraquinone production according to claim 3, characterized by The circular ring (83) and the double-layer circular ring (84) are fixedly connected by the bolt (9) and the nut (10), and the right side of the inner chamber of the connector (6) is sleeved with an auxiliary sealing ring (11).
5. The hydrolysis reaction apparatus for anthraquinone production according to claim 4, characterized by The surfaces of the two double-layer circular rings (84) are jointly sleeved with a concave ring (12), the left and right sides of the inner chamber of the concave ring (12) are fixedly connected with a limiting connecting ring (13), and the side opposite to the double-layer circular ring (84) is provided with a connecting annular groove (14).
6. The hydrolysis reaction apparatus for anthraquinone production according to claim 5, characterized by The surface of the limiting connecting ring (13) is embedded in the inner chamber of the connecting annular groove (14), and the bottom of the reaction kettle one (1) and the reaction kettle two (2) is fixedly connected with a supporting leg (15) by a bolt.