Test coke oven door supporting structure with safety protection structure
By designing a furnace door support structure that includes a base, base rod, adjusting rod, and bracket, the safety hazards caused by pressure relief and breakage of the hydraulic furnace door were solved, and the safe operation of the experimental coke oven was achieved.
Patent Information
- Application Number
- CN202520045886.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-09
AI Technical Summary
The hydraulic furnace doors of existing experimental coke ovens are prone to depressurization and breakage during use, resulting in incomplete sealing or falling off of the furnace doors, posing a safety hazard.
Design a furnace door support structure with safety protection, including a base, base rod, adjusting rod, sleeve and bracket. Through threaded connection and nut cooperation, it can achieve stable support for the furnace door and prevent furnace door problems caused by hydraulic failure.
In the event of a hydraulic failure, the support structure can hold the furnace door in place, preventing it from falling off, ensuring the safe conduct of the test, preventing the leakage of red-hot coke, and reducing safety hazards.
Smart Images
Figure CN223823525U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to metallurgical equipment technical field, and specifically relates to a test coke oven door support structure with safety protection structure. BACKGROUND
[0002] The test coke oven is simulated industrial coke oven condition, and test coal samples are loaded into two side heated carbonization chambers through coal preparation and coal loading processes, and under the condition of air isolation, the test coal samples are high-temperature dry distillation to form coke, and the coke is detected to evaluate the coking property of the coking coal sample.
[0003] The test coke oven generally has 200-400kg electric heating coke oven, 200-400kg coal gas heating coke oven and 40-70kg electric heating coke oven. The current problem is that the 40kg bottom loading coke oven generally adopts a hydraulic trolley to load the oven door, and the hydraulic cylinder is always working in the use process of the oven door, so that the oven door is not tightly closed or falls off, and there is a safety hazard. UTILITY MODEL CONTENTS
[0004] The utility model provides a test coke oven door support structure with safety protection structure, and aims at adding a mechanical support structure to the oven door of the test coke oven to prevent the oven door from being not tightly closed or falling off due to hydraulic machine failure.
[0005] Therefore, the utility model adopts the following technical scheme:
[0006] A test coke oven door support structure with safety protection structure, the support structure includes two and is symmetrically placed on both sides of the oven door.
[0007] The support structure includes a base, a base rod, an adjusting rod and a bracket from bottom to top; the base rod is vertically connected to the base, the base rod is a hollow rod, and a guide nut is welded at the top of the base rod; an outer thread is formed in the adjusting rod, the adjusting rod is vertically inserted into the base rod and is threadedly connected with the guide nut;
[0008] A vertical sleeve is sleeved on the adjusting rod, a lifting nut is threadedly connected to the adjusting rod below the sleeve, the lower end of the sleeve abuts against the lifting nut, and rotating the lifting nut drives the sleeve to move up and down; a horizontal bracket is welded on the sleeve, and the bracket is used for supporting the oven door of the test coke oven.
[0009] Further, a U-shaped clamping groove is welded at the top end of the adjusting rod, and the clamping groove abuts against the furnace bottom reinforcing rib.
[0010] Further, the base is a steel plate with a thickness of 20mm, a length of 100mm and a width of 100mm.
[0011] Further, the base rod is a steel pipe with a diameter of 25mm, a wall thickness of 3.2mm and a length of 900mm, and the lower end of the base rod is welded in the middle of the base, and the top is internally sleeved with a screw thread with a length of 50mm.
[0012] Further, the adjusting rod is a screw rod with a length of 700mm.
[0013] Further, the sleeve is a steel pipe with a diameter of 25mm, a wall thickness of 3.2mm and a length of 150mm, and the bracket is made of a steel plate with a length of 180mm and a thickness of 20mm.
[0014] Further, the clamping groove is a 25# channel steel with a length of 50mm.
[0015] The test can continue, and the safety problem caused by the sudden falling of the furnace door, the falling of red coke and the leakage of raw coal gas in the room is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic view of the coke oven door before the transformation of the utility model;
[0017] Figure 2 is a structural schematic view of the coke oven door after the transformation of the utility model;
[0018] Figure 3 is a schematic view of the supporting structure of the utility model;
[0019] In the drawing: 1-base, 2-base rod, 3-adjusting rod, 4-guiding nut, 5-lifting nut, 6-bracket, 7-clamping groove, 8-sleeve. DETAILED DESCRIPTION
[0020] The utility model will be further described in combination with the drawings and specific embodiments:
[0021] As shown in Figure 2 and 3 A test coke oven door supporting structure with a safety protection structure, the supporting structure comprises two and is symmetrically placed on both sides of the furnace door.
[0022] The support structure comprises a base 1, a base rod 2, an adjusting rod 3 and a bracket 6 from bottom to top; the base rod 2 is vertically connected to the base 1, the base rod 2 is a hollow rod, and a guide nut 4 is welded at the top of the base rod 2; an outer thread is formed on the adjusting rod 3, the adjusting rod 3 is vertically inserted into the base rod 2 and is threadedly connected with the guide nut 4; a vertical sleeve 8 is sleeved on the adjusting rod 3, a lifting nut 5 is threadedly connected to the adjusting rod 3 below the sleeve 8, the lower end of the sleeve 8 abuts against the lifting nut 5, and the lifting nut 5 is rotated to drive the sleeve 8 to move up and down; the bracket 6 is welded on the sleeve 8 and is horizontal, and the bracket 6 is used for supporting a test coke oven door; and a U-shaped clamping groove 7 is welded at the top end of the adjusting rod 3 and abuts against a furnace bottom supporting rib.
[0023] The base 1 is a steel plate with a thickness of 20 mm, a length of 100 mm and a width of 100 mm. The base rod 2 is a steel pipe with a diameter of 25 mm, a wall thickness of 3.2 mm and a length of 900 mm, the lower end of the base rod 2 is welded in the middle of the base 1, and the top is internally sleeved with a screw thread with a length of 50 mm. The adjusting rod 3 is a screw rod with a length of 700 mm. The sleeve 8 is a steel pipe with a diameter of 25 mm, a wall thickness of 3.2 mm and a length of 150 mm. The bracket 6 is a steel plate with a length of 180 mm and a thickness of 20 mm. The clamping groove 7 is a 25# channel steel with a length of 50 mm.
[0024] The use method of the utility model is as follows:
[0025] 1. The support structure is arranged on the left and right sides of the hydraulic furnace door, the two support structures are the same in action, and are symmetrically arranged on the two sides of the hydraulic trolley.
[0026] 2. The support device is placed on the two sides of the hydraulic trolley, the height of the adjusting rod 3 is adjusted, the clamping groove 7 is clamped on the two sides of the furnace bottom supporting rib, and the support structure is fixed.
[0027] 3. When the furnace door is closed, the furnace door is sealed by the hydraulic furnace door first, then the support triangle of the support structure is turned to the furnace door and is supported at the bottom of the furnace door.
[0028] 4. The lifting nut 5 is rotated to move the sleeve 8, and the bracket 6 tightly supports the furnace door.
[0029] 5. When the furnace door is opened, the lifting nut 5 is rotated, the support bracket 6 is lowered by about 10 mm, is turned to the side away from the furnace door, and the hydraulic device is controlled to take down the furnace door.
Claims
1. A test coke oven door support structure with a safety protection structure, characterized in that, The support structure consists of two components, symmetrically placed on both sides of the furnace door; The support structure includes a base (1), a base rod (2), an adjusting rod (3), and a bracket (6) from bottom to top; the base rod (2) is vertically connected to the base (1), the base rod (2) is a hollow rod, and a guide nut (4) is welded to the top of the base rod (2); the adjusting rod (3) has an external thread, and the adjusting rod (3) is vertically inserted into the base rod (2) and threadedly connected to the guide nut (4); A vertical sleeve (8) is fitted onto the adjusting rod (3). A lifting nut (5) is threaded onto the adjusting rod (3) below the sleeve (8). The lower end of the sleeve (8) abuts against the lifting nut (5). Rotating the lifting nut (5) causes the sleeve (8) to move up and down. A horizontal bracket (6) is welded onto the sleeve (8). The bracket (6) is used to support the experimental coke oven door.
2. The experimental coke oven door support structure with safety protection structure according to claim 1, characterized in that, The top of the adjusting rod (3) is welded with a U-shaped groove (7), which abuts against the bottom support bar of the furnace.
3. The experimental coke oven door support structure with safety protection structure according to claim 2, characterized in that, The base (1) is a steel plate with a thickness of 20mm, a length of 100mm, and a width of 100mm.
4. The experimental coke oven door support structure with safety protection structure according to claim 3, characterized in that, The base rod (2) is a steel pipe with a diameter of φ25mm, a wall thickness of 3.2mm, and a length of 900mm. The lower end of the base rod (2) is welded to the middle of the base (1), and the top is fitted with a 50mm long thread.
5. The experimental coke oven door support structure with safety protection structure according to claim 4, characterized in that, The adjusting rod (3) is a lead screw with a length of 700mm.
6. The experimental coke oven door support structure with safety protection structure according to claim 5, characterized in that, The sleeve (8) is a steel pipe with a diameter of 25mm, a wall thickness of 3.2mm, and a length of 150mm; the bracket (6) is made of steel plate with a length of 180mm and a thickness of 20mm.
7. The experimental coke oven door support structure with safety protection structure according to claim 6, characterized in that, The slot (7) is made of 25# channel steel and has a length of 50mm.