CN-224230719-U - Cooling water jacket structure and pot-type calciner

CN224230719UCN 224230719 UCN224230719 UCN 224230719UCN-224230719-U

Abstract

The utility model discloses a cooling water jacket structure and a pot calciner, the cooling water jacket structure comprises a water inlet annular pipe, a water outlet annular pipe, a plurality of outer through pipes which are arranged in a surrounding mode and form a material channel, the outer through pipes and the inner through pipes are communicated with the water inlet annular pipe and the water outlet annular pipe, the inner through pipes are arranged in the material channel, a first strengthening structure protruding out of the surface of the inner through pipes is arranged on the inner side walls of the inner through pipes, a water outlet joint is arranged on the water outlet annular pipe and comprises an eccentric reducing pipe, the eccentric reducing pipe comprises a large-diameter section and a small-diameter section, the large-diameter section is connected with the water outlet annular pipe, the central axis of the small-diameter section is located above the central axis of the large-diameter section, two flange structures are respectively arranged at two ends of the material channel, the flange structures are provided with expansion joints penetrating through the flange structures along the radial direction of the material channel, and a baffle is arranged in the middle of the expansion joints. The cooling water jacket structure can improve the heat conduction efficiency, thereby improving the gas yield, and has high safety and long service life.

Inventors

TANG XIN
NI YUHAN
YUAN HONG

Assignees

湖南优热科技有限责任公司

Dates

Publication Date: 20260512
Application Date: 20250512

Claims (10)

1. A cooling water jacket structure, characterized by comprising: a water inlet ring pipe; the water outlet ring pipe is arranged above the water inlet ring pipe; The outer through pipes are communicated with the water inlet annular pipe and the water outlet annular pipe, and a plurality of the outer through pipes are arranged in a surrounding mode so as to form a material channel in the middle; The inner through pipe is arranged in the material channel and is communicated with the water inlet annular pipe and the water outlet annular pipe, and a first strengthening structure protruding out of the surface of the inner through pipe is arranged on the inner side wall of the inner through pipe; The water outlet joint is arranged on the water outlet ring pipe and comprises an eccentric reducing pipe, the eccentric reducing pipe comprises a large-diameter section and a small-diameter section, the large-diameter section is connected with the water outlet ring pipe, and the central axis of the small-diameter section is positioned above the central axis of the large-diameter section.
2. The cooling water jacket structure according to claim 1, wherein structural members are arranged on the periphery of the material passage, the outer surface of the outer through pipe is in sealing connection with the structural members, and the outer through pipe protrudes out of one side, away from the material passage, of the structural members.
3. The cooling jacket structure according to claim 2, wherein the ends of the outer tube and the inner tube are bent in a direction away from the material passage, and the ends of the inner tube pass through the structural member to be connected with the water inlet collar or the water outlet collar.
4. The cooling water jacket structure according to claim 1, wherein the outer peripheral wall of the inner tube is provided with a second reinforcing structure protruding from a surface thereof.
5. The cooling water jacket structure as set forth in claim 4, wherein the first reinforcing structure is configured as a spiral line and the second reinforcing structure is configured as a fin or a spiral line.
6. The cooling water jacket structure as set forth in claim 1, wherein a portion of the inner side wall of the small diameter section is coplanar with a portion of the inner side wall of the large diameter section, and a junction of the small diameter section and the large diameter section is in arcuate transition.
7. The cooling water jacket structure of claim 1, wherein flange structures are mounted at two ends of the material channel, expansion gaps penetrating through the flange structures along the radial direction of the material channel are formed in the flange structures, and baffles are mounted in the middle of the expansion gaps.
8. The cooling water jacket structure according to claim 7, wherein the flange structure is provided with a first clamping groove and a second clamping groove communicated with the expansion joint along the radial direction of the expansion joint, and the first clamping groove and the second clamping groove are symmetrically arranged about the expansion joint; The baffle can stretch out and draw back along the radial direction of expansion joint, the baffle both ends respectively with first draw-in groove the end wall of second draw-in groove offsets.
9. The cooling water jacket structure according to claim 1, wherein the water inlet ring pipe is provided with a plurality of water inlet joints, and the water inlet joints are arranged at intervals along the length direction of the water inlet ring pipe; And/or, the water outlet ring pipe is provided with a plurality of water outlet joints, and the water outlet joints are arranged at intervals along the length direction of the water outlet ring pipe.
10. A pot calciner, characterized in that the cooling water jacket structure according to any one of claims 1 to 9 is installed.

Description

Cooling water jacket structure and pot-type calciner Technical Field The utility model relates to the technical field of calciners, in particular to a cooling water jacket structure and a pot calciner. Background The thermodynamic performance of the cooling system of the tank calciner, which is used as core equipment for processing raw materials such as petroleum coke, anthracite and the like, directly influences the quality of calcined coke and the running economy of equipment. The gasification cooling water jacket is used as common equipment of the pot calciner, and the gasification cooling water jacket commonly used at present has the following defects: 1. The heat conduction efficiency is low, namely the effective heat transfer area is small due to the single-side radiation heat exchange design, the heat utilization rate is low, the material heat transfer performance is poor, the material cooling stroke is long, the material center area is cooled with lag, the cooling is uneven, and the cooling load of an outlet water jacket connected with the lower part is large; 2. The operation safety hidden trouble is that the thermal stress generated by the integral welding frame under the thermal cycle working condition is large, the weld joint is easy to crack, the built-in pipeline water flow is unevenly arranged, the pipe explosion phenomenon is easy to occur, and the smoke leakage series flow risk exists at the connecting flange. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the cooling water jacket structure provided by the utility model can improve the heat conduction efficiency, so that the gas yield is improved, the safety is high, and the service life is long. The utility model also provides a pot calciner provided with the cooling water jacket structure. The cooling water jacket structure according to the embodiment of the first aspect of the present utility model includes: a water inlet ring pipe; the water outlet ring pipe is arranged above the water inlet ring pipe; The outer through pipes are communicated with the water inlet annular pipe and the water outlet annular pipe, and a plurality of the outer through pipes are arranged in a surrounding mode so as to form a material channel in the middle; The inner through pipe is arranged in the material channel and is communicated with the water inlet annular pipe and the water outlet annular pipe, and a first strengthening structure protruding out of the surface of the inner through pipe is arranged on the inner side wall of the inner through pipe; The water outlet joint is arranged on the water outlet ring pipe and comprises an eccentric reducing pipe, wherein the eccentric reducing pipe comprises a large-diameter section and a small-diameter section, the large-diameter section is connected with the water outlet ring pipe, and the central axis of the small-diameter section is positioned above the central axis of the large-diameter section; The two flange structures are respectively arranged at two ends of the material channel, the flange structures are provided with expansion gaps penetrating through the flange structures along the radial direction of the material channel, and a baffle is arranged in the middle of each expansion gap. The cooling water jacket structure provided by the embodiment of the utility model has at least the following beneficial effects: The inner through pipe is arranged in the material channel and is communicated with the water inlet ring pipe and the water outlet ring pipe, so that the contact area of cooling water and materials can be increased, the heat conduction efficiency is improved, the gas yield is improved, the first strengthening structure is arranged on the inner side wall of the inner through pipe, the membranous boiling is reduced, the Knoxie coefficient is improved, the abrasion risk of the pipe wall of the inner through pipe due to high temperature softening is reduced, the safety is improved, the eccentric reducing pipe of the water outlet joint can improve the uniformity of a flow field, the steam gathering volume is reduced, the local gasification dry burning is avoided, the safety performance of equipment is further improved, the baffle is arranged in the middle of an expansion joint by the flange structure, the sealing effect is improved, the leakage risk of the flange structure is reduced, the production efficiency is improved, and the running safety of the equipment is improved. According to some embodiments of the utility model, the periphery of the material channel is provided with a structural member, the outer surface of the outer through pipe is in sealing connection with the structural member, and the outer through pipe protrudes out of one side of the structural member, which is away from the material channel. According to some embodiments of the utility model, the end of the inner tube is bent in a dir