Coal-to-methanol plant with membraneless separation
By installing a circulation pipeline and impeller linkage design in the methanol synthesis tower, the problem of unutilized methanol gas heat was solved, energy conservation and filter clogging prevention were achieved, and the operating efficiency of the unit was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINJIANG ZHONGTAI NEW MATERIALS CO LTD
- Filing Date
- 2025-07-04
- Publication Date
- 2026-06-02
AI Technical Summary
In existing technologies, the methanol gas produced in the methanol synthesis tower has a high temperature, and this heat is discharged along with the methanol gas, resulting in energy loss.
A membrane-free coal-to-methanol device was designed. Through circulation pipelines such as methanol gas pipes, three-way valves, and reflux pipes, the heat in the methanol is returned to the methanol synthesis tower. The impeller and airflow linkage design drives the brush to clean the filter screen and prevent impurities from clogging it.
It reduces energy consumption, prevents filter clogging, improves maintenance efficiency, and enables the effective utilization of methanol gas heat.
Smart Images
Figure CN224308384U_ABST
Abstract
Description
Technical Field
[0001] This solution belongs to the field of coal-to-methanol equipment, specifically involving a membrane-free coal-to-methanol equipment. Background Technology
[0002] Currently, an important way to utilize coal cleanly and efficiently is through coal chemical industry, the main method of which is coal gasification to produce syngas.
[0003] A search revealed that patent application CN112457159A discloses an apparatus for producing methanol from coal and a methanol production process using the apparatus. The apparatus includes: (1) a water electrolysis unit; (2) a coal gasification unit, including a coal powder preparation device, a coal powder gasification device, and a purification device; and (3) a gas regulation unit, including a detection unit, a mixing container, and a regulating valve, wherein the detection unit is connected to the mixing container and the purification device of the coal gasification unit.
[0004] In existing technologies, the methanol gas produced in the methanol synthesis tower has a high temperature. This heat is discharged along with the methanol gas and is not well utilized, indirectly causing energy loss. Utility Model Content
[0005] The purpose of this solution is to provide a membrane-free coal-to-methanol plant to address the problem that, in existing technologies, the methanol gas produced in the methanol synthesis tower has a high temperature, and this heat is discharged along with the methanol gas without being effectively utilized, indirectly causing energy loss.
[0006] To achieve the above objectives, this solution provides a membrane-free coal-to-methanol device, including a methanol synthesis tower. A methanol gas pipe is connected to the top of the methanol synthesis tower, and a three-way valve is connected to the end of the methanol gas pipe. A connecting pipe is connected to the right end of the three-way valve, and a reflux pipe is connected to the lower end of the three-way valve. The end of the reflux pipe is connected to the methanol synthesis tower, and a transition pipe is connected to the reflux pipe. A rotating ring is rotatably connected inside the transition pipe, and fixing pins are fixedly connected to both the upper and lower ends of the rotating ring. The fixed pin is rotatably connected to the inside of the side wall of the transition tube. A locking ring is fixedly connected to the outer ring wall of the rotating ring. A locking mechanism is provided on the outside of the transition tube. A filter screen is fixedly connected to the inner ring wall of the rotating ring. A bracket is fixedly connected to the top of the inner side of the transition tube. A fixed sleeve is fixedly connected to the end of the bracket. A rotating shaft is installed inside the fixed sleeve through a bearing. An impeller is fixedly connected to the upper end of the rotating shaft and is located inside the return pipe. A brush is fixedly connected to the lower end of the rotating shaft, and the bristles of the brush are in contact with the upper surface of the filter screen.
[0007] The principle of this solution is as follows: During use, the methanol produced in the methanol synthesis tower can be discharged normally through the methanol gas pipe, three-way valve, and connecting pipe. Then, by controlling the direction of the three-way valve, the heat in the methanol is returned to the methanol synthesis tower, reducing energy loss. At the same time, the impeller and airflow linkage design drives the brush to rotate and clean the filter screen, effectively preventing impurities in the methanol gas from accumulating and clogging the filter screen. Later, simply pull the locking pin with the lever to separate the locking pin from the locking ring, which will release the restriction on the rotating ring. Then, the rotating ring can be rotated around the fixed pin as the axis to clean the filter screen.
[0008] The technical advantages of this solution are as follows: By setting up circulating pipelines such as methanol gas pipes, three-way valves, connecting pipes, return pipes, and transition pipes around the methanol synthesis tower, the direction of the gas path can be controlled by opening and closing the three-way valves, thereby returning the heat in the methanol to the methanol synthesis tower and reducing energy consumption. At the same time, by using the impeller and airflow linkage design, the brushes are driven to rotate and clean the filter screen, effectively preventing impurities in the methanol gas from accumulating and clogging the filter screen.
[0009] By setting a locking ring on the outside of the rotating ring and a matching locking mechanism on the outside of the transition tube, the locking mechanism uses a spring-driven locking pin and a magnetic ring to fix the rotating ring together, and a sliding rubber ball to enhance the anti-loosening effect. This ensures the stability of the filter screen during operation and makes it easy to quickly unlock by using a lever, so as to achieve convenient disassembly, cleaning or replacement of the filter screen and improve maintenance efficiency.
[0010] Furthermore, a guide plate is fixedly connected to the shaft body of the rotating shaft, and the guide plate is located above the fixing sleeve. The guide plate provides protection for the bearings used for mounting the rotating shaft.
[0011] Furthermore, the locking mechanism includes a locking sleeve fixedly connected to the outer wall of the transition tube. A locking pin is slidably connected inside the locking sleeve, and the locking pin is inserted into a locking ring. A spring is provided inside the locking sleeve, and a lever is fixedly connected to the pin body of the locking pin. The lever is slidably connected to the locking sleeve. Through the locking mechanism and its cooperation with the locking ring, the installation position of the rotating ring is fixed.
[0012] Furthermore, one end of the spring is fixedly connected to the locking pin, and the other end of the spring is fixedly connected to the inner surface of the lock sleeve. The spring's design allows the elastic force to be applied to the locking pin, ensuring it remains inserted into the lock ring.
[0013] Furthermore, a sliding sleeve is slidably fitted onto the outer side of the lever body, and a connecting piece is fixedly connected to the outer ring wall of the sliding sleeve. A rubber retaining bead is fixedly connected to the end of the connecting piece, and the rubber retaining bead engages with the locking sleeve. The sliding sleeve, connecting piece, and rubber retaining bead design prevent the lever and locking pin from loosening.
[0014] Furthermore, a limiting block, made of steel, is fixedly connected to the end of the lever. The limiting block limits the travel of the sliding sleeve on the lever.
[0015] Furthermore, a magnetic ring is fixedly connected to the lever body, and the magnetic ring engages with the sliding sleeve. The magnetic ring provides auxiliary fixation for the sliding sleeve. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.
[0017] Figure 2 This is an embodiment of the present utility model. Figure 1 A schematic diagram of a partial structure;
[0018] Figure 3 This is an embodiment of the present utility model. Figure 1 A partial structural front sectional view;
[0019] Figure 4 This is an embodiment of the present utility model. Figure 1 A magnified view of the local structure;
[0020] Figure 5 This is an embodiment of the present utility model. Figure 4 Enlarged view of point A.
[0021] The following detailed explanation illustrates the specific implementation methods:
[0022] The reference numerals in the accompanying drawings of the instruction manual include: 1. Methanol synthesis tower; 2. Methanol gas pipe; 3. Three-way valve; 4. Connecting pipe; 5. Return pipe; 6. Transition pipe; 7. Rotating ring; 8. Locking ring; 9. Locking mechanism; 10. Filter screen; 11. Support; 12. Fixing sleeve; 13. Rotating shaft; 14. Impeller; 15. Brush; 16. Guide plate; 17. Fixing pin; 91. Locking sleeve; 92. Locking pin; 93. Spring; 94. Lever; 95. Limiting block; 96. Sliding sleeve; 97. Connecting piece; 98. Rubber ball; 99. Magnetic ring. Detailed Implementation
[0023] The basic implementation examples are as follows: Figures 1-5 As shown: A membrane-free coal-to-methanol device includes a methanol synthesis tower 1. A methanol gas pipe 2 is connected to the top of the methanol synthesis tower 1. A three-way valve 3 is connected to the end of the methanol gas pipe 2. A connecting pipe 4 is connected to the right end of the three-way valve 3. A reflux pipe 5 is connected to the lower end of the three-way valve 3. The end of the reflux pipe 5 is connected to the methanol synthesis tower 1. A transition pipe 6 is connected to the reflux pipe 5. A rotating ring 7 is rotatably connected inside the transition pipe 6. A fixing pin 17 is fixedly connected to both the upper and lower ends of the rotating ring 7. The fixing pin 17 is rotatably connected to the inside of the side wall of the transition pipe 6. A filter screen 10 is fixedly connected to the inner wall of the rotating ring 7.
[0024] like Figure 4 As shown, a bracket 11 is fixedly connected to the top inner side of the transition pipe 6, and a fixing sleeve 12 is fixedly connected to the end of the bracket 11. A rotating shaft 13 is mounted inside the fixing sleeve 12 via a bearing. An impeller 14 is fixedly connected to the upper end of the rotating shaft 13, and the impeller 14 is located inside the return pipe 5. A brush 15 is fixedly connected to the lower end of the rotating shaft 13, and the bristles of the brush 15 are in contact with the upper surface of the filter screen 10. A guide plate 16 is fixedly connected to the shaft of the rotating shaft 13, and the guide plate 16 is located above the fixing sleeve 12. The guide plate 16 provides protection for the bearing used to mount the rotating shaft 13.
[0025] like Figure 4 , Figure 5 As shown, a locking ring 8 is fixedly connected to the outer wall of the rotating ring 7. A locking mechanism 9 is provided on the outside of the transition tube 6. Through the setting of the locking mechanism 9 and its cooperation with the locking ring 8, the installation position of the rotating ring 7 is fixed. The locking mechanism 9 includes a locking sleeve 91 fixedly connected to the outer wall of the transition tube 6. A locking pin 92 is slidably connected inside the locking sleeve 91. The locking pin 92 is inserted into the locking ring 8. A spring 93 is provided inside the locking sleeve 91. One end of the spring 93 is fixedly connected to the locking pin 92, and the other end of the spring 93 is fixedly connected to the inner surface of the locking sleeve 91. Through the setting of the spring 93, the elastic force can be applied to the locking pin 92, so that it is always inserted into the locking ring 8. A lever 94 is fixedly connected to the pin body of the locking pin 92. The lever 94 is slidably connected to the locking sleeve 91. A sliding sleeve 96 is slidably fitted onto the outer side of the lever 94. A connecting piece 97 is fixedly connected to the outer ring wall of the sliding sleeve 96, and a rubber ball 98 is fixedly connected to the end of the connecting piece 97, engaging with the locking sleeve 91. The sliding sleeve 96, connecting piece 97, and rubber ball 98 prevent the lever 94 and locking pin 92 from loosening. A limit block 95, made of steel, is fixedly connected to the end of the lever 94. The limit block 95 limits the travel of the sliding sleeve 96 on the lever 94. A magnetic ring 99 is fixedly connected to the lever 94, attracting the sliding sleeve 96. The magnetic ring 99 provides auxiliary fixation for the sliding sleeve 96.
[0026] The specific implementation process of this utility model is as follows: During use, the methanol produced in the methanol synthesis tower 1 can be discharged normally through the methanol gas pipe 2, the three-way valve 3 and the connecting pipe 4. Then, by controlling the direction of the three-way valve 3, the heat in the methanol is returned to the methanol synthesis tower 1, reducing energy consumption. At the same time, by utilizing the design of the impeller 14 and the airflow linkage, the brush 15 is driven to rotate and clean the filter screen 10, effectively preventing impurities in the methanol gas from accumulating and clogging the filter screen 10. Later, simply pull the locking pin 92 by the lever 94 to separate the locking pin 92 from the locking ring 8, thereby releasing the restriction on the rotating ring 7. Then, the rotating ring 7 is rotated around the fixed pin 17 as the axis, and the filter screen 10 can be cleaned.
[0027] This scheme uses a circulating pipeline system, including a methanol gas pipe 2, a three-way valve 3, a connecting pipe 4, a return pipe 5, and a transition pipe 6, to be installed around the methanol synthesis tower 1. The direction of the gas path can be controlled by opening and closing the three-way valve 3, thereby returning the heat in the methanol to the methanol synthesis tower 1 and reducing energy consumption. At the same time, the impeller 14 is designed to be linked with the airflow, which drives the brush 15 to rotate and clean the filter screen 10, effectively preventing impurities in the methanol gas from accumulating and clogging the filter screen 10.
[0028] By setting a locking ring 8 on the outside of the rotating ring 7, and a matching locking mechanism 9 on the outside of the transition tube 6, the locking mechanism 9 uses a locking pin 92 driven by a spring 93 and a magnetic ring 99 to fix the rotating ring 7 in coordination. With the help of a sliding rubber ball 98, the anti-loosening effect is enhanced. This ensures the stability of the filter screen 10 during operation and makes it easy to unlock quickly through the lever 94, so as to realize the convenient disassembly, cleaning or replacement of the filter screen 10 and improve maintenance efficiency.
[0029] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.
Claims
1. A membrane-free coal-to-methanol plant, comprising a methanol synthesis tower, characterized in that: The top of the methanol synthesis tower is connected to a methanol gas pipe, and the end of the methanol gas pipe is connected to a three-way valve. The right end of the three-way valve is connected to a connecting pipe, and the lower end of the three-way valve is connected to a reflux pipe. The end of the reflux pipe is connected to the methanol synthesis tower, and a transition pipe is connected to the reflux pipe. A rotating ring is rotatably connected inside the transition pipe, and fixing pins are fixedly connected to the upper and lower ends of the rotating ring. The fixing pins are rotatably connected to the inside of the side wall of the transition pipe. A locking ring is fixedly connected to the outer wall of the rotating ring, and a locking mechanism is provided outside the transition pipe. A filter screen is fixedly connected to the inner wall of the rotating ring, and a bracket is fixedly connected to the top of the inner side of the transition pipe. A fixing sleeve is fixedly connected to the end of the bracket, and a rotating shaft is installed inside the fixing sleeve through a bearing. An impeller is fixedly connected to the upper end of the rotating shaft, and the impeller is located inside the reflux pipe. A brush is fixedly connected to the lower end of the rotating shaft, and the bristles of the brush are in contact with the upper surface of the filter screen.
2. The membrane-free coal-to-methanol apparatus according to claim 1, characterized in that: A guide plate is fixedly connected to the shaft of the rotating shaft, and the guide plate is located above the fixed sleeve.
3. The membrane-free coal-to-methanol apparatus according to claim 1, characterized in that: The locking mechanism includes a locking sleeve fixedly connected to the outer wall of the transition tube, a locking pin slidably connected inside the locking sleeve, the locking pin being inserted into a locking ring, a spring being provided inside the locking sleeve, and a lever fixedly connected to the pin body of the locking pin, the lever being slidably connected to the locking sleeve.
4. The membrane-free coal-to-methanol apparatus according to claim 3, characterized in that: One end of the spring is fixedly connected to the locking pin, and the other end of the spring is fixedly connected to the inner surface of the lock sleeve.
5. A membrane-free coal-to-methanol apparatus according to claim 3, characterized in that: The lever has a sliding sleeve on its outer side, and a connecting piece is fixedly connected to the outer ring wall of the sliding sleeve. A rubber bead is fixedly connected to the end of the connecting piece, and the rubber bead engages with the locking sleeve.
6. A membrane-free coal-to-methanol apparatus according to claim 5, characterized in that: The end of the lever is fixedly connected to a limit block, and the limit block is made of steel.
7. A membrane-free coal-to-methanol apparatus according to claim 5, characterized in that: A magnetic ring is fixedly connected to the lever body, and the magnetic ring is attracted to the sliding sleeve.