Recovery device for low-rank coal pyrolysis oil gas
By designing a low-order coal pyrolysis oil and gas recovery device containing a filter box and an active filtration structure, the problem of dust in low-order coal pyrolysis oil and gas causing equipment blockage is solved, the oil and gas recovery efficiency is improved, and the filter material is quickly replaced.
Patent Information
- Application Number
- CN202421181930.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-28
AI Technical Summary
When low-order coal is pyrolyzed into oil and gas at high temperatures, the oil and gas contain a lot of dust, which leads to equipment blockage and affects the oil and gas recovery efficiency.
A low-order coal pyrolyzed oil and gas recovery device is designed, including a filter box and a filter structure, and the oil and gas filtration is employed to prevent dust from adhering to the equipment.
Effectively filter dust in oil and gas, prevent equipment from being blocked, improve oil and gas recovery efficiency, and quickly replace activated carbon boards and activated fiberboards.
Smart Images

Figure CN222613272U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of low-rank coal pyrolysis oil and gas processing, in particular to a low-rank coal pyrolysis oil and gas recovery device. Background Art
[0002] Low-rank coal pyrolysis refers to the process of heating low-quality coal (such as lignite, peat, etc.) at high temperature and performing pyrolysis reaction under oxygen-deficient or limited oxygen conditions to produce usable gas, liquid and solid products. During the pyrolysis process of low-rank coal, the organic matter in the coal is decomposed and converted into different chemicals and energy products. Low-rank coal pyrolysis can be carried out by different methods. Common methods include coal distillation, fluidized bed combustion, gasification, etc. These methods can achieve different product outputs, such as synthesis gas, liquid fuel, coal tar, etc., according to different operating conditions, reactor types and catalyst usage; however, at this stage, low-rank coal will pyrolyze into oil and gas at high temperatures. The oil and gas contain a large amount of dust, which will adhere to the equipment and block the equipment during long-term operation, thereby affecting the oil and gas recovery efficiency. Utility Model Content
[0003] The main purpose of the utility model is to provide a low-rank coal pyrolysis oil and gas recovery device, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A recovery device for low-rank coal pyrolysis oil and gas, comprising a recovery device body, a support leg annularly installed on the lower surface of the recovery device body, a connecting pipe fixedly connected to the upper surface of the recovery device body, the other end of the connecting pipe fixedly connected to a filter box, the other end surface of the filter box fixedly connected to a conveying pipeline, and a filtering structure arranged inside the filter box.
[0006] Preferably, the filtering structure includes an activated fiber board, an activated carbon board, a handle, a box cover, a rotating block, a rotating rod, a bearing, a transmission gear, a rectangular groove, a tooth groove, a rectangular bar, a rectangular slider, a return spring, a circular guide rod, a rectangular slide groove, a rectangular card slot, and a No. 1 slot.
[0007] Preferably, an activated fiber board is fixedly mounted on the lower surface of the box cover near one end, an activated carbon board is fixedly mounted on the lower surface of the box cover near the other end, a handle is fixedly mounted on the upper surface of the box cover, and a rectangular groove is opened inside the box cover.
[0008] Preferably, a No. 1 groove is opened on the upper surface of the filter box, a bearing is fixedly installed in the middle of the upper surface of the rectangular groove, a rotating rod is movably installed on the inner surface of the bearing, a rotating block is fixedly installed on the upper end of the rotating rod, and a transmission gear is fixedly installed on the lower end of the rotating rod.
[0009] Preferably, a rectangular slide groove is provided at the other end of the front surface and one end of the rear surface of the rectangular groove, a circular guide rod is fixedly installed in the middle of the two end surfaces of the rectangular slide groove, and a rectangular slider is slidably installed on the outer surface of the circular guide rod.
[0010] Preferably, a return spring is sleeved on the other end of the rectangular slider on the outer surface of the circular guide rod, a rectangular bar is fixedly installed on the rear end of the rectangular slider, and a tooth groove is opened on the rear surface of the rectangular bar.
[0011] Preferably, a tooth groove is provided on the rear surface of the rectangular bar to mesh with the transmission gear, and a rectangular slot is provided in the middle of one end surface of the No. 1 slot near the front end and in the middle of the other end surface near the rear end.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] In the utility model, the oil and gas can be processed by setting up a filtering structure, and the dust therein can be filtered out to prevent the dust from adhering to the equipment and clogging the equipment, thereby affecting the oil and gas recovery efficiency. In addition, the activated carbon plate and the activated fiber plate can be quickly replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of a low-rank coal pyrolysis oil and gas recovery device of the utility model;
[0015] Figure 2 This is a cross-sectional view of a low-rank coal pyrolysis oil and gas recovery device of the utility model;
[0016] Figure 3 It is a partial cross-sectional view of a low-rank coal pyrolysis oil and gas recovery device of the utility model;
[0017] Figure 4 The utility model is a low-rank coal pyrolysis oil and gas recovery device Figure 3 Enlarged view of point A in the middle.
[0018] In the figure: 1. Recovery device body; 2. Support legs; 3. Connecting pipe; 301. Delivery pipe; 4. Filter box; 5. Filter structure; 501. Activated fiber board; 502. Activated carbon board; 503. Handle; 504. Box cover; 505. Rotating block; 506. Rotating rod; 507. Bearing; 508. Transmission gear; 509. Rectangular groove; 510. Tooth groove; 511. Rectangular bar; 512. Rectangular slider; 513. Reset spring; 514. Circular guide rod; 515. Rectangular slide groove; 516. Rectangular card slot; 517. Slot No. 1. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] like Figure 1-4 As shown, a low-rank coal pyrolysis oil and gas recovery device comprises a recovery device body 1, a support leg 2 is annularly installed on the lower surface of the recovery device body 1, a connecting pipe 3 is fixedly connected to the upper surface of the recovery device body 1, a filter box 4 is fixedly connected to the other end of the connecting pipe 3, a conveying pipeline 301 is fixedly connected to the other end surface of the filter box 4, and a filter structure 5 is arranged inside the filter box 4;
[0021] The filter structure 5 includes an active fiber board 501, an activated carbon board 502, a handle 503, a box cover 504, a rotating block 505, a rotating rod 506, a bearing 507, a transmission gear 508, a rectangular groove 509, a tooth groove 510, a rectangular bar 511, a rectangular slider 512, a return spring 513, a circular guide rod 514, a rectangular slide groove 515, a rectangular card groove 516, and a first groove 517; the active fiber board 501 is fixedly mounted near one end on the lower surface of the box cover 504 , an activated carbon plate 502 is fixedly installed on the lower surface of the box cover 504 near the other end, a handle 503 is fixedly installed on the upper surface of the box cover 504, and a rectangular groove 509 is opened inside the box cover 504; a groove No. 1 517 is opened on the upper surface of the filter box 4, a bearing 507 is fixedly installed in the middle of the upper surface of the rectangular groove 509, a rotating rod 506 is movably installed on the inner surface of the bearing 507, a rotating block 505 is fixedly installed on the upper end of the rotating rod 506, and a transmission block 505 is fixedly installed on the lower end of the rotating rod 506 The movable gear 508; a rectangular slide groove 515 is provided at the other end of the front surface and one end of the rear surface of the rectangular groove 509, a circular guide rod 514 is fixedly installed in the middle of the two end surfaces of the rectangular slide groove 515, and a rectangular slider 512 is slidably installed on the outer surface of the circular guide rod 514; a return spring 513 is sleeved on the other end of the rectangular slider 512 on the outer surface of the circular guide rod 514, a rectangular bar 511 is fixedly installed at the rear end of the rectangular slider 512, and a tooth groove 510 is provided on the rear surface of the rectangular bar 511; a tooth groove 510 is provided on the rear surface of the rectangular bar 511 to mesh with the transmission gear 508, and a rectangular card groove 516 is provided in the middle of one end surface of the No. 1 groove near the front end and the middle of the other end surface near the rear end. Through the provided filtering structure, the oil and gas can be processed and the dust therein can be filtered out to prevent the dust from adhering to the equipment and clogging the equipment, thereby affecting the oil and gas recovery efficiency, and the activated carbon plate 502 and the activated fiber plate 501 can also be quickly replaced.
[0022] It should be noted that the utility model is a low-rank coal pyrolysis oil and gas recovery device. When in use, the oil and gas enter the filter box 4 through the delivery pipe 301, and then pass through the activated fiber board 501 and the activated carbon board 502 for filtration, and enter the recovery device body 1 from the connecting pipe 3 to prevent dust from adhering to the device and clogging the device, thereby affecting the oil and gas recovery efficiency. When the activated fiber board 501 and the activated carbon board 502 need to be replaced, the rotating block 505 is rotated to drive the rotating rod 506 to rotate on the inner surface of the bearing 507, so that the lower end of the rotating rod 506 is fixed and installed. The installed transmission gear 508 rotates. Since the rear surface of the rectangular bar 511 is provided with a tooth groove 510 which meshes with the transmission gear 508, the rectangular slider 512 fixedly installed on the front surface of the rectangular bar 511 is driven to slide on the outer surface of the circular guide rod 514 and squeeze the reset spring 513, so that the rectangular bar 511 is retracted into the rectangular groove 509, thereby disengaging from the No. 1 groove 517. A rectangular card groove 516 is provided in the middle of one end surface near the front end and in the middle of the other end surface near the rear end. Then, the handle 503 is pulled upward to pull the activated carbon board 502 and the activated fiber board 501 out of the filter box 4 for replacement.
[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A low-rank coal pyrolysis oil and gas recovery device, characterized by: The invention comprises a recovery device body (1), the lower surface of the recovery device body (1) being provided with a support leg (2) in an annular manner, the upper surface of the recovery device body (1) being fixedly connected to a connection pipe (3), the other end of the connection pipe (3) being fixedly connected to a filter box (4), the other end surface of the filter box (4) being fixedly connected to a conveying pipeline (301), and a filter structure (5) being arranged inside the filter box (4).
2. The low-rank coal pyrolysis oil and gas recovery device according to claim 1 is characterized by: The filtering structure (5) comprises an activated fiber board (501), an activated carbon board (502), a handle (503), a box cover (504), a rotating block (505), a rotating rod (506), a bearing (507), a transmission gear (508), a rectangular groove (509), a tooth groove (510), a rectangular bar (511), a rectangular sliding block (512), a return spring (513), a circular guide rod (514), a rectangular sliding groove (515), a rectangular clamping groove (516), and a No. 1 groove (517).
3. The low-rank coal pyrolysis oil and gas recovery device according to claim 2 is characterized by: An activated fiber board (501) is fixedly mounted on the lower surface of the box cover (504) near one end, an activated carbon board (502) is fixedly mounted on the lower surface of the box cover (504) near the other end, a handle (503) is fixedly mounted on the upper surface of the box cover (504), and a rectangular groove (509) is provided inside the box cover (504).
4. The low-rank coal pyrolysis oil and gas recovery device according to claim 3 is characterized by: A No. 1 groove (517) is provided on the upper surface of the filter box (4); a bearing (507) is fixedly mounted in the middle of the upper surface of the rectangular groove (509); a rotating rod (506) is movably mounted on the inner surface of the bearing (507); a rotating block (505) is fixedly mounted on the upper end of the rotating rod (506); and a transmission gear (508) is fixedly mounted on the lower end of the rotating rod (506).
5. The low-rank coal pyrolysis oil and gas recovery device according to claim 4 is characterized by: A rectangular slide groove (515) is provided at the other end of the front surface and one end of the rear surface of the rectangular groove (509), a circular guide rod (514) is fixedly mounted in the middle of the surfaces at both ends of the rectangular slide groove (515), and a rectangular sliding block (512) is slidably mounted on the outer surface of the circular guide rod (514).
6. The low-rank coal pyrolysis oil and gas recovery device according to claim 5, characterized in that: A return spring (513) is sleeved on the other end of the rectangular slider (512) on the outer surface of the circular guide rod (514), a rectangular bar (511) is fixedly mounted on the rear end of the rectangular slider (512), and a tooth groove (510) is provided on the rear surface of the rectangular bar (511).
7. The low-rank coal pyrolysis oil and gas recovery device according to claim 6, characterized in that: The rear surface of the rectangular strip (511) is provided with a tooth groove (510) meshing with the transmission gear (508), and the middle of one end surface of the first slot (517) near the front end and the middle of the other end surface near the rear end are both provided with a rectangular slot (516).