Ultralow-emission oxidation furnace

Abstract

The utility model relates to the field of oxidation furnaces, and discloses an ultra-low emission oxidation furnace which comprises a multi-section oxidation furnace body, a feeding port is integrally formed in the top of the multi-section oxidation furnace body, and a discharging port is integrally formed in the bottom of the multi-section oxidation furnace body. A hot air preheating mechanism is fixedly mounted on the left side of the multi-section oxidation furnace body; the hot air preheating mechanism comprises a transfer cavity, and the left side of the transfer cavity fixedly communicates with an external pipe. During use, the second motor is started, the whole strip-shaped box is shifted to rotate, meanwhile, the third motor is started to shift the winding rod to rotate during intermittence, the traction rope is wound, the two material guiding plates are gradually separated and then close to each other, the inclination degree during material guiding is changed, and guided-out materials rotate along with the whole strip-shaped box; and the finished products can be more uniformly scattered into a device for collecting the finished products, so that the problem that the finished products are accumulated and overflowed during collection is avoided.

Description

Technical Field

[0001] The utility model relates to the field of oxidation furnaces, and more specifically to an ultra-low emission oxidation furnace. Background Art

[0002] An oxidation furnace is a process test instrument widely used in the fields of chemistry, nuclear science and technology, environmental science and technology, and resource science and technology;

[0003] Patent Publication No. (CN101780976B) discloses a vertical red lead moving oxidation furnace, which is provided with an upper oxidation chamber at the upper end of the furnace body, a middle oxidation chamber in the middle, and a lower oxidation chamber at the lower end. The bottom of the upper oxidation chamber is provided with an upper group of heat collecting pipes, the bottom of the middle oxidation chamber is provided with a middle group of heat collecting pipes, and the bottom end of the lower oxidation chamber is provided with a lower group of heat collecting pipes. Heat dissipation holes are respectively arranged on the circumferences of the branch pipes of the upper, middle, and lower three groups of heat collecting pipes. A combustion chamber is arranged on the left side of the furnace body, an oil nozzle and an electronic igniter are arranged at the left end of the combustion chamber, a main heat supply pipe is arranged on the right side of the combustion chamber, and three shunt pipes, namely an upper, a middle, and a lower shunt pipe, are successively arranged on the right side of the main heat supply pipe. The three shunt pipes are respectively connected and installed at the inlets of the three groups of heat collecting pipes. A waste heat collecting chamber is arranged at the upper end of the upper oxidation chamber, a feed hopper is arranged at the upper end of the waste heat collecting chamber, a blanking hopper is arranged at the lower side of the lower oxidation chamber, a cooling barrel is arranged at the bottom end of the blanking hopper, a blanking box is arranged at the lower end of the cooling barrel, a material distribution sieve is arranged in the blanking box, and a discharge hopper and a material distribution hopper are arranged at the lower end of the material distribution sieve;

[0004] During the use of the oxidation furnace in the above technology, it is necessary to disperse preheat during ventilation preheating, and the blanking screening method is single, so improvement is needed. For this reason, we have proposed an ultra-low emission oxidation furnace. Content of the Utility Model

[0005] The main technical problem solved by the utility model is to provide an ultra-low emission oxidation furnace, which can solve the problems that the oxidation furnace in the above technology needs to be dispersed preheated during ventilation preheating and the blanking screening method is single.

[0006] To solve the above technical problems, according to one aspect of the utility model, more specifically an ultra-low emission oxidation furnace, which includes a multi-stage oxidation furnace body. An inlet is integrally formed at the top of the multi-stage oxidation furnace body, an outlet is integrally formed at the bottom of the multi-stage oxidation furnace body, and a hot air preheating mechanism is fixedly installed on the left side of the multi-stage oxidation furnace body;

[0007] The hot air preheating mechanism includes a transfer chamber. The left side of the transfer chamber is fixedly communicated with an external connection pipe. The right side of the transfer chamber is fixedly communicated with a plurality of ventilation pipes. The bottom of the transfer chamber is fixedly connected with a first motor. The top end of the output shaft of the first motor is located inside the transfer chamber and is fixedly connected with a shaft rod. A retaining ring is sleeved on the outer side wall of the shaft rod on the left side of the plurality of ventilation pipes. The outer side wall of the retaining ring is attached to the inner side wall of the transfer chamber. A plurality of connecting bars are fixedly connected between the retaining ring and the shaft rod. Ventilation holes are formed in the outer side wall of the retaining ring.

[0008] Furthermore, a plurality of support legs are fixedly connected to the bottom of the multi-stage oxidation furnace body.

[0009] Furthermore, a second motor is fixedly connected to the lower surface of the multi-stage oxidation furnace body to the right of the discharge port. The bottom end of the output shaft of the second motor is fixedly connected with a first gear.

[0010] Furthermore, a material distribution mechanism is arranged at the bottom of the discharge port;

[0011] The material distribution mechanism includes a strip-shaped box. A connecting pipe is integrally formed at the top of the strip-shaped box. The top of the connecting pipe is rotatably connected to the bottom of the discharge port through a rotating shaft. A toothed ring is fixedly connected to the outer side wall of the connecting pipe. The first gear is meshed with the toothed ring.

[0012] Furthermore, two guide plates are rotatably connected to the inside of the strip-shaped box through a rotating shaft. A first spring is fixedly connected between the two guide plates. A winding box is fixedly connected to both sides of the strip-shaped box. A winding rod is rotatably connected to the inside of the winding box through a rotating shaft. A traction rope is fixedly connected to the outer side wall of the winding rod. The opposite ends of the two traction ropes both penetrate into the inside of the strip-shaped box and are respectively fixedly connected to the opposite sides of the two guide plates.

[0013] Furthermore, two third motors are fixedly connected to the upper surface of the strip-shaped box. The output end of the third motor is fixedly connected with a third gear.

[0014] Furthermore, the top end of the winding rod penetrates above the winding box and is fixedly connected with a disc. An arc-shaped tooth is fixedly connected to the outer side wall of the disc. The arc-shaped tooth is meshed with the third gear.

[0015] Furthermore, a plurality of buffer round holes are formed in the outer side wall of the winding rod.

[0016] Furthermore, the inner wall of the winding box is symmetrically fixedly connected with a guide rod, the outer walls of the two guide rods opposite to each other are slidably connected with a sliding bar, the outer wall of the sliding bar is fixedly connected with a buffer protrusion, and the outer wall of the guide rod is sleeved with a spring 2, and the two ends of the spring 2 are respectively fixedly connected to the opposite sides of the winding box and the sliding bar.

[0017] The beneficial effects of the ultra-low emission oxidation furnace of the utility model are:

[0018] When in use, start the second motor to turn the strip box as a whole to rotate, and start the third motor to turn the reel rod to rotate intermittently to reel in the traction rope, so that the two guide plates are gradually separated and then approached to each other, and the inclination of the guide is changed, so that the guided materials can be more evenly scattered into the device for collecting finished products as the strip box rotates as a whole, avoiding the problem of finished products piling up and overflowing when collecting finished products;

[0019] When gear three is separated from the arc-shaped rack and the guide rods are pulled closer to each other by spring one, the multiple buffer circular holes opened on the outer wall of the winding rod will repeatedly squeeze the buffer protrusions to move, thereby limiting the rebound speed of the two guide plates, so that the materials discharged through the guide plates can be discharged slowly;

[0020] When in use, the external pipe is connected to the external heating fan, and then the motor is started to drive the shaft to rotate. The staggered distribution of the ventilation holes is used to allow the inhaled hot air to be discharged from top to bottom into the multiple layers inside the multi-stage oxidation furnace body, thereby realizing internal preheating and segmented preheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0022] Figure 1 This is a schematic diagram of the overall structure of the ultra-low emission oxidation furnace of the utility model;

[0023] Figure 2 It is a cross-sectional structural schematic diagram of the hot air preheating mechanism of the ultra-low emission oxidation furnace of the utility model;

[0024] Figure 3 It is a schematic diagram of the top view of the cross section of the baffle ring of the ultra-low emission oxidation furnace of the utility model;

[0025] Figure 4 It is a cross-sectional structural schematic diagram of the material distribution mechanism of the ultra-low emission oxidation furnace of the utility model;

[0026] Figure 5 The utility model ultra-low emission oxidation furnace Figure 1 A schematic diagram of the enlarged structure at point A;

[0027] Figure 6 For the ultra-low emission oxidation furnace of the present utility model Figure 4 Schematic enlarged structure view at position B.

[0028] In the figure: 1. Multi-stage oxidation furnace body; 2. Feed inlet; 3. Discharge outlet; 4. Hot air preheating mechanism; 5. Support leg; 6. Second motor; 7. First gear; 8. Feeding mechanism; 401. Transfer cavity; 402. Outer connecting pipe; 403. Ventilation pipe; 404. First motor; 405. Shaft rod; 406. Retaining ring; 407. Connecting bar; 408. Ventilation hole; 801. Striped box; 802. Connecting pipe; 803. Tooth ring; 804. Guide plate; 805. First spring; 806. Reel box; 807. Reel rod; 808. Traction rope; 809. Third motor; 810. Third gear; 811. Disc; 812. Arc tooth; 813. Buffer round hole; 814. Guide rod; 815. Sliding strip; 816. Buffer bump; 817. Second spring. Specific embodiments

[0029] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0030] According to one aspect of the present utility model:

[0031] As Figure 1 shown, an ultra-low emission oxidation furnace is provided, which includes a multi-stage oxidation furnace body 1. A feed inlet 2 is integrally formed at the top of the multi-stage oxidation furnace body 1, a discharge outlet 3 is integrally formed at the bottom of the multi-stage oxidation furnace body 1, a hot air preheating mechanism 4 is fixedly installed on the left side of the multi-stage oxidation furnace body 1, a feeding mechanism 8 is arranged at the bottom of the discharge outlet 3, and a plurality of support legs 5 are fixedly connected to the bottom of the multi-stage oxidation furnace body 1;

[0032] During use, the hot air preheating mechanism 4 is docked with an external heating mechanism, and ventilation is carried out through a fan to preheat the inside of the multi-stage oxidation furnace body 1. The material is put into the multi-stage oxidation furnace body 1 through the feed inlet 2 for multi-stage oxidation. The finished product after oxidation enters the feeding mechanism 8 through the discharge outlet 3 for discharging materials. The multi-stage oxidation furnace body 1 makes the raw material oxidation more sufficient through multi-stage oxidation, achieving the effects of low oxygen content at the outlet and low nitrogen oxide concentration. The multi-stage oxidation furnace body 1 is a furnace body with controllable temperature. During oxidation, the temperature inside the furnace is controlled below 900 °C, and the support legs 5 are used for supporting the device.

[0033] As Figure 4 and Figure 5As shown in the figure, a second motor 6 is fixedly connected to the lower surface of the multi-stage oxidation furnace body 1 to the right of the discharge port 3. The bottom end of the output shaft of the second motor 6 is fixedly connected to a first gear 7. The material distribution mechanism 8 includes a strip-shaped box 801. A connecting pipe 802 is integrally formed at the top of the strip-shaped box 801. The top of the connecting pipe 802 is rotatably connected to the bottom of the discharge port 3 through a rotating shaft. A toothed ring 803 is fixedly connected to the outer side wall of the connecting pipe 802. The first gear 7 is meshed with the toothed ring 803. Two guide plates 804 are rotatably connected to the inside of the strip-shaped box 801 through a rotating shaft. A first spring 805 is fixedly connected between the two guide plates 804. A winding box 806 is fixedly connected to both sides of the strip-shaped box 801. A winding rod 807 is rotatably connected to the inside of the winding box 806 through a rotating shaft. A traction rope 808 is fixedly connected to the outer side wall of the winding rod 807. The opposite ends of the two traction ropes 808 both penetrate into the inside of the strip-shaped box 801 and are respectively fixedly connected to the opposite sides of the two guide plates 804. Two third motors 809 are fixedly connected to the upper surface of the strip-shaped box 801. The output end of the third motor 809 is fixedly connected to a third gear 810. The top end of the winding rod 807 penetrates above the winding box 806 and is fixedly connected to a disc 811. An arc-shaped tooth 812 is fixedly connected to the outer side wall of the disc 811. The arc-shaped tooth 812 is meshed with the third gear 810;

[0034] During use, start the second motor 6 to drive the first gear 7 to rotate, so as to drive the whole strip-shaped box 801 to rotate by meshing with the toothed ring 803. At the same time, start the third motor 809 to drive the third gear 810 to move, and by meshing with the arc-shaped tooth bar 812 on the outer side wall of the disc 811, the winding rod 807 can be intermittently driven to rotate, so as to wind the traction rope 808, pull the two guide plates 804 to open, so that the two guide plates 804 first gradually separate and then approach each other, changing the inclination degree during material guiding, so that the exported material can rotate with the whole strip-shaped box 801 and can be more evenly scattered into the device for collecting finished products, avoiding the problem of finished product accumulation and overflow during finished product collection.

[0035] As Figure 6 shown, a plurality of buffer round holes 813 are formed on the outer side wall of the winding rod 807. Guide rods 814 are symmetrically fixedly connected to the inner side wall of the winding box 806. A sliding strip 815 is slidably connected to the outer side walls of the two upper and lower opposite guide rods 814. A buffer bump 816 is fixedly connected to the outer side wall of the sliding strip 815. A second spring 817 is sleeved on the outer side wall of the guide rod 814. The two ends of the second spring 817 are respectively fixedly connected to the opposite sides of the winding box 806 and the sliding strip 815;

[0036] When the third gear 810 is separated from the arc-shaped rack 812 and the guide rods 814 are pulled closer to each other by the first spring 805, the buffer bumps 816 will be repeatedly squeezed through the multiple buffer round holes 813 formed on the outer sidewall of the winding rod 807, thereby restricting the rebound speed of the two material guiding plates 804 and enabling the material discharged through the material guiding plates 804 to be discharged slowly.

[0037] As Figure 2 and Figure 3 shown in the figure, the hot air preheating mechanism 4 includes a transfer chamber 401. The left side of the transfer chamber 401 is fixedly connected and communicated with an external connecting pipe 402. The right side of the transfer chamber 401 is fixedly connected and communicated with a plurality of ventilation pipes 403. The bottom of the transfer chamber 401 is fixedly connected with a first motor 404. The top of the output shaft of the first motor 404 is located inside the transfer chamber 401 and is fixedly connected with a shaft rod 405. A retaining ring 406 is sleeved on the outer sidewall of the shaft rod 405 on the left side of the plurality of ventilation pipes 403. The outer sidewall of the retaining ring 406 is attached to the inner sidewall of the transfer chamber 401. A plurality of connecting bars 407 are fixedly connected between the retaining ring 406 and the shaft rod 405. Ventilation holes 408 are formed on the outer sidewall of the retaining ring 406.

[0038] During use, the external connecting pipe 402 is docked and communicated with an external heating fan, and then the first motor 404 is started to drive the shaft rod 405 to rotate. Under normal conditions, the ventilation pipes 403 are blocked by the provided retaining ring 406, and the plurality of ventilation holes 408 are distributed in a staggered manner. As the shaft rod 405 rotates, it will be connected to the plurality of ventilation pipes 403 in sequence from top to bottom, so that the inhaled hot air will be discharged into the multiple layers inside the multi-stage oxidation furnace body 1 in sequence from top to bottom, realizing segmented preheating inside.

[0039] All the electrical components mentioned in this text are electrical components existing in reality.

[0040] Certainly, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the essence of the present invention also belong to the protection scope of the present invention.

Claims

1. An ultra-low emission oxidation furnace, comprising a multi-stage oxidation furnace body (1), characterized in that: The top of the multi-stage oxidation furnace body (1) is integrally formed with a material inlet (2), the bottom of the multi-stage oxidation furnace body (1) is integrally formed with a material outlet (3), and a hot air preheating mechanism (4) is fixedly installed on the left side of the multi-stage oxidation furnace body (1); The hot air preheating mechanism (4) comprises a transfer chamber (401), the left side of the transfer chamber (401) is fixedly connected to an external pipe (402), the right side of the transfer chamber (401) is fixedly connected to a plurality of ventilation pipes (403), the bottom of the transfer chamber (401) is fixedly connected to a motor 1 (404), the top end of the output shaft of the motor 1 (404) is located inside the transfer chamber (401) and is fixedly connected to a shaft (405), the outer wall of the shaft (405) is located on the left side of the plurality of ventilation pipes (403) and is sleeved with a retaining ring (406), the outer wall of the retaining ring (406) is in contact with the inner wall of the transfer chamber (401), a plurality of connecting strips (407) are fixedly connected between the retaining ring (406) and the shaft (405), and a ventilation hole (408) is opened on the outer wall of the retaining ring (406).

2. The ultra-low emission oxidation furnace according to claim 1, characterized in that: A plurality of supporting legs (5) are fixedly connected to the bottom of the multi-stage oxidation furnace body (1).

3. The ultra-low emission oxidation furnace according to claim 1, characterized in that: The lower surface of the multi-stage oxidation furnace body (1) is located on the right side of the discharge port (3) and is fixedly connected to a second motor (6), and the bottom end of the output shaft of the second motor (6) is fixedly connected to a first gear (7).

4. The ultra-low emission oxidation furnace according to claim 3, characterized in that: A material distribution mechanism (8) is provided at the bottom of the discharge port (3); The material distribution mechanism (8) comprises a strip box (801), the top of the strip box (801) is integrally formed with a connecting tube (802), the top of the connecting tube (802) is rotatably connected to the bottom of the material outlet (3) via a rotating shaft, the outer wall of the connecting tube (802) is fixedly connected with a toothed ring (803), and the gear 1 (7) is meshingly connected with the toothed ring (803).

5. The ultra-low emission oxidation furnace according to claim 4, characterized in that: The interior of the strip box (801) is rotatably connected to two material guide plates (804) via a rotating shaft, a spring 1 (805) is fixedly connected between the two material guide plates (804), both sides of the strip box (801) are fixedly connected to a winding box (806), the interior of the winding box (806) is rotatably connected to a winding rod (807) via a rotating shaft, the outer wall of the winding rod (807) is fixedly connected to a traction rope (808), and the opposite ends of the two traction ropes (808) pass through the interior of the strip box (801) and are fixedly connected to the opposite sides of the two material guide plates (804), respectively.

6. The ultra-low emission oxidation furnace according to claim 5, characterized in that: Two motor threes (809) are fixedly connected to the upper surface of the strip box (801), and a gear three (810) is fixedly connected to the output end of the motor three (809).

7. The ultra-low emission oxidation furnace according to claim 6, characterized in that: The top end of the winding rod (807) passes through the top of the winding box (806) and is fixedly connected to a disk (811); the outer wall of the disk (811) is fixedly connected to an arc-shaped tooth (812); and the arc-shaped tooth (812) is meshingly connected to the gear three (810).

8. The ultra-low emission oxidation furnace according to claim 7, characterized in that: The outer side wall of the winding rod (807) is provided with a plurality of circular buffer holes (813).

9. The ultra-low emission oxidation furnace according to claim 8, characterized in that: The inner side wall of the winding box (806) is symmetrically fixedly connected to a guide rod (814), and the outer side walls of the two guide rods (814) opposite to each other are slidably connected to a sliding bar (815), and the outer side wall of the sliding bar (815) is fixedly connected to a buffer protrusion (816), and the outer side wall of the guide rod (814) is sleeved with a spring 2 (817), and the two ends of the spring 2 (817) are respectively fixedly connected to the opposite sides of the winding box (806) and the sliding bar (815).

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