Direct-fired incinerator

Abstract

The utility model discloses a direct-fired incinerator, which belongs to the technical field of waste gas treatment and comprises an incinerator body, an exhaust pipe is arranged above the incinerator body, supporting legs are arranged below the incinerator body, a gas nozzle is arranged in the middle of the lower portion of the incinerator body, an air inlet pipe is arranged on one side of the incinerator body, and an air outlet pipe is arranged on the other side of the incinerator body. A waste gas inlet pipe is arranged on the other side of the incinerator body, a PLC is arranged above the waste gas inlet pipe, an air uniformizing plate is arranged in the incinerator body, an ignition device is arranged above the air uniformizing plate, a thermodetector is arranged on the inner wall of the incinerator body, a filtering assembly is arranged above the ignition device, and a heat exchange assembly is arranged above an exhaust pipe. The heat exchange assembly is arranged, and the heat exchange box is arranged above the exhaust port, so that heat exchange can be carried out on exhausted high-temperature gas, and waste of heat energy caused by direct exhaust of the high-temperature gas is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste gas treatment, and specifically relates to a direct-fired incinerator. Background Art

[0002] An incinerator is an environmental protection equipment that incinerates waste gas, waste liquid, solid waste fuel, medical waste, domestic waste, animal carcasses, etc. at high temperature to reduce or shrink the quantity, and at the same time utilizes part of the thermal energy of the incineration medium. It is divided into fixed incinerators and movable incinerators.

[0003] Chinese patent announcement number CN214745799U discloses a direct-fired waste gas incinerator, including a furnace body, a gas nozzle is fixedly arranged at the bottom of the furnace body, a waste gas inlet pipe and an air inlet pipe are symmetrically fixedly arranged on both sides of the furnace body above the gas nozzle, an air distribution plate is fixedly arranged in the inner cavity of the furnace body above the waste gas inlet pipe, an igniter is symmetrically fixedly arranged on both sides of the furnace body above the air distribution plate, a plurality of branch pipes facing different angles are connected and arranged on the joint pipe, a first thermometer and a second thermometer are fixedly arranged at different height positions of the inner cavity of the furnace body, and a PLC controller is fixedly arranged on the outer wall of the furnace body. The utility model provides a direct-fired waste gas incinerator, which can realize the effective mixing of waste gas, air and fuel gas, increase the effective treatment range of waste gas incineration, avoid overheating inside the furnace body, realize automatic cleaning of the gas nozzle, and is safer and has higher treatment performance.

[0004] The above-mentioned patent has the following problems: the filter plate is installed inside the incinerator and cannot be cleaned or replaced; the waste gas will generate high-temperature gas after incineration, which will be directly discharged and cause waste of heat energy. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a direct-fired incinerator, which has the characteristics of being able to replace the filter plate and to exchange heat for high-temperature gas.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a direct-fired incinerator, comprising an incinerator body, an exhaust pipe is arranged above the incinerator body, supporting legs are arranged below the incinerator body, a gas nozzle is arranged in the lower middle part of the incinerator body, an air intake pipe is arranged on one side of the incinerator body, an exhaust gas intake pipe is arranged on the other side of the incinerator body, a PLC controller is arranged above the exhaust gas intake pipe, an air distribution plate is arranged inside the incinerator body, an ignition device is arranged above the air distribution plate, a temperature meter is arranged on the inner wall of the incinerator body, a filter assembly is arranged above the ignition device, and a heat exchange assembly is arranged above the exhaust pipe.

[0007] Preferably, the filter assembly includes a filter plate, a sealing block, a handle, a fixing groove, a limit block, a pull rod, an insert block and a spring, wherein a filter plate is arranged above the ignition device, a fixing groove is arranged on one side of the filter plate, an insert block is arranged on the other side of the filter plate, a sealing block is arranged at one end of the insert block, a handle is arranged on one side of the sealing block, a spring is arranged inside the sealing block, a pull rod is arranged in the middle of the spring, and a limit block is arranged at one end of the pull rod.

[0008] Preferably, a slot is provided at one end of the sealing block, and a fixing bolt is provided on the surface of the sealing block.

[0009] Preferably, the heat exchange component includes a heat exchange box, an air inlet channel, a water inlet, a drain outlet, a water filter component, an exhaust channel and a heat exchange pipe, wherein a heat exchange box is arranged above the exhaust pipe, a water inlet is arranged on one side of the heat exchange box, a heat exchange pipe is arranged inside the heat exchange box, an air inlet channel is arranged on one side of the heat exchange pipe, an exhaust channel is arranged on the other side of the heat exchange pipe, a water filter component is arranged at the lower part of the heat exchange box, and a drain outlet is arranged on one side of the water filter component.

[0010] Preferably, the water filter assembly includes a filter head, a filter screen and filter cotton, wherein a filter head is arranged at the lower part of the interior of the heat exchange box, a filter screen is arranged on one side of the filter head, and filter cotton is arranged inside the filter head.

[0011] Preferably, a water level observation port is provided on the surface of the heat exchange box, and thermal insulation cotton is provided on the inner wall of the heat exchange box.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a filter assembly, and a filter plate is provided inside the incinerator body, so that the high-temperature gas generated during combustion can be filtered. When the filter plate needs to be cleaned, the fixing bolts are removed from the sealing block, and then the handle is pulled to pull the filter plate out of the incinerator body, so that it is convenient for the staff to clean it and prevent the filter plate from being blocked and affecting the discharge of high-temperature gases.

[0014] 2. The utility model sets a heat exchange component, and a heat exchange box is arranged above the exhaust port, so that the high-temperature gas during discharge can be heat exchanged to prevent the high-temperature gas from being directly discharged and causing waste of heat energy. Since a drain port is arranged on one side of the heat exchange box, and a water filter component is arranged at one end of the drain port, the water during discharge can be filtered to remove impurities in the water. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the filter assembly of the utility model;

[0017] Figure 3 It is a partial cross-sectional view of the filter assembly of the utility model;

[0018] Figure 4 This is a cross-sectional view of the heat exchange component of the utility model;

[0019] Figure 5 It is a schematic diagram of the water filter component of the utility model.

[0020] In the figure: 1. Support leg; 2. Air intake pipe; 3. Air equalizing plate; 4. Filter assembly; 41. Filter plate; 42. Sealing block; 43. Handle; 44. Fixing groove; 45. Limit block; 46. Pull rod; 47. Insert block; 48. Spring; 5. Incinerator body; 6. Heat exchange assembly; 61. Heat exchange box; 62. Air intake channel; 63. Water inlet; 64. Drain outlet; 65. Water filter assembly; 66. Exhaust channel; 67. Heat exchange tube; 651. Filter head; 652. Filter screen; 653. Filter cotton; 7. Exhaust pipe; 8. Thermometer; 9. Ignition device; 10. PLC controller; 11. Exhaust gas intake pipe; 12. Gas nozzle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1-5 The utility model provides the following technical solutions: a direct-fired incinerator, comprising an incinerator body 5, an exhaust pipe 7 is arranged above the incinerator body 5, a supporting leg 1 is arranged below the incinerator body 5, a gas nozzle 12 is arranged in the middle of the lower part of the incinerator body 5, an air intake pipe 2 is arranged on one side of the incinerator body 5, an exhaust gas intake pipe 11 is arranged on the other side of the incinerator body 5, a PLC controller 10 is arranged above the exhaust gas intake pipe 11, an air distribution plate 3 is arranged inside the incinerator body 5, an ignition device 9 is arranged above the air distribution plate 3, a temperature measuring instrument 8 is arranged on the inner wall of the incinerator body 5, a filter assembly 4 is arranged above the ignition device 9, and a heat exchange assembly 6 is arranged above the exhaust pipe 7.

[0024] Specifically, the filter assembly 4 includes a filter plate 41, a sealing block 42, a handle 43, a fixing groove 44, a limit block 45, a pull rod 46, an insert block 47 and a spring 48, wherein a filter plate 41 is arranged above the ignition device 9, a fixing groove 44 is arranged on one side of the filter plate 41, an insert block 47 is arranged on the other side of the filter plate 41, a sealing block 42 is arranged at one end of the insert block 47, a handle 43 is arranged at one side of the sealing block 42, a spring 48 is arranged inside the sealing block 42, a pull rod 46 is arranged in the middle of the spring 48, and a limit block 45 is arranged at one end of the pull rod 46.

[0025] By adopting the above technical solution, a filter plate 41 is provided inside the incinerator body 5, so that the high-temperature exhaust gas generated during combustion can be filtered. When the filter plate 41 needs to be cleaned, the fixing bolts are removed from the sealing block 42, and then the handle 43 is pulled to pull the filter plate 41 out of the incinerator body 5, so as to facilitate the staff to clean it. When the filter plate 41 needs to be replaced, the pull rod 46 is lifted to drive the limit block 45 to contract. After the limit block 45 contracts, the filter plate 41 is removed from the sealing block 42, and then the plug block 47 at one end of the new filter plate 41 is inserted into the sealing block 42. When the plug block 47 is inserted into the sealing block 42, the limit block 45 will fix it through the rebound of the spring 48.

[0026] Specifically, a slot is provided at one end of the sealing block 42 , and a fixing bolt is provided on the surface of the sealing block 42 .

[0027] By adopting the above technical solution, a slot is provided at one end of the sealing block 42 so that the insert block 47 can be inserted into the sealing block 42, and fixing bolts are provided on the surface of the sealing block 42 so that it can be fixed.

[0028] When this embodiment is in use, a filter plate 41 is provided inside the incinerator body 5, so that the high-temperature exhaust gas generated during combustion can be filtered. When the filter plate 41 needs to be cleaned, the fixing bolts are removed from the sealing block 42, and then the handle 43 is pulled to pull the filter plate 41 out of the incinerator body 5, so as to facilitate the staff to clean it. When the filter plate 41 needs to be replaced, the pull rod 46 is lifted to drive the limit block 45 to contract. After the limit block 45 contracts, the filter plate 41 is removed from the sealing block 42, and then the plug block 47 at one end of the new filter plate 41 is inserted into the sealing block 42. When the plug block 47 is inserted into the sealing block 42, the limit block 45 will fix it by the rebound of the spring 48. Since a slot is provided at one end of the sealing block 42, the plug block 47 can be inserted into the sealing block 42, and the surface of the sealing block 42 is provided with a fixing bolt, so that it can be fixed.

[0029] Example 2

[0030] The present embodiment is different from the embodiment 1 in that: specifically, the heat exchange assembly 6 includes a heat exchange box 61, an air inlet channel 62, a water inlet 63, a drain port 64, a water filter assembly 65, an exhaust channel 66 and a heat exchange pipe 67, wherein the heat exchange box 61 is arranged above the exhaust pipe 7, a water inlet 63 is arranged on one side of the heat exchange box 61, a heat exchange pipe 67 is arranged inside the heat exchange box 61, an air inlet channel 62 is arranged on one side of the heat exchange pipe 67, an exhaust channel 66 is arranged on the other side of the heat exchange pipe 67, a water filter assembly 65 is arranged at the lower part of the heat exchange box 61, and a drain port 64 is arranged on one side of the water filter assembly 65.

[0031] By adopting the above technical solution, high-temperature gas will be generated when the exhaust gas is incinerated, and then the high-temperature gas will enter the air intake channel 62 in the heat exchange box 61 through the exhaust pipe 7. After the high-temperature gas enters the air intake channel 62, the heat exchange pipe 67 will transport it into the exhaust channel 66. When the heat exchange pipe 67 transports the high-temperature gas, the water in the heat exchange box 61 will exchange heat with it, so that the heat energy in the high-temperature gas can be recycled. Since a water inlet 63 is provided on one side of the heat exchange box 61, the staff can replenish the water in the heat exchange box 61. A drain outlet 64 is provided on the other side of the heat exchange box 61, and a water filter component 65 is provided at one end of the drain outlet 64, so that the water discharged can be filtered to remove impurities in the water.

[0032] Specifically, the water filter assembly 65 includes a filter head 651 , a filter screen 652 and filter cotton 653 , wherein the filter head 651 is arranged at the lower part of the interior of the heat exchange box 61 , the filter screen 652 is arranged on one side of the filter head 651 , and the filter cotton 653 is arranged inside the filter head 651 .

[0033] By adopting the above technical solution, a filter head 651 is provided at one end of the drain outlet 64, and a filter screen 652 and filter cotton 653 are provided on one side and inside of the filter head 651, so that the discharged water can be filtered to remove impurities in the water.

[0034] Specifically, a water level observation port is provided on the surface of the heat exchange box 61 , and thermal insulation cotton is provided on the inner wall of the heat exchange box 61 .

[0035] By adopting the above technical solution, a water level observation port is provided on the surface of the heat exchange box 61, so that the staff can observe the water level in the heat exchange box 61 conveniently, and the inner wall of the heat exchange box 61 is provided with thermal insulation cotton, so as to improve the thermal insulation effect of the heat exchange box 61.

[0036] When this embodiment is used, high-temperature gas is generated when the exhaust gas is incinerated, and then the high-temperature gas enters the air intake channel 62 in the heat exchange box 61 through the exhaust pipe 7. After the high-temperature gas enters the air intake channel 62, the heat exchange pipe 67 transports it into the exhaust channel 66. When the heat exchange pipe 67 transports the high-temperature gas, the water in the heat exchange box 61 will exchange heat with it, so that the heat energy in the high-temperature gas can be recycled. Since a water inlet 63 is provided on one side of the heat exchange box 61, the staff can replenish the water in the heat exchange box 61. A drain port 64 is provided on the other side of the heat exchange box 61, and a filter head 651 is provided at one end of the drain port 64. A filter screen 652 and a filter cotton 653 are provided on one side and inside of the filter head 651, so that the discharged water can be filtered to remove impurities in the water.

[0037] The filter cotton 653 in the utility model is an existing public technology, and the selected model is RH-65.

[0038] The structures and operating principles of the temperature measuring instrument 8, the ignition device 9, the PLC controller 10 and the gas nozzle 12 in the utility model have been disclosed in a direct-fired waste gas incinerator disclosed in Chinese Patent Publication No. CN214745799U.

[0039] Working principle and use process of the utility model: When the utility model is in use, it is used for exhaust gas filtering of a direct-fired incinerator. During operation, it is necessary to filter the high-temperature exhaust gas generated after combustion. A filter plate 41 is arranged inside the incinerator body 5, so that the high-temperature exhaust gas generated during combustion can be filtered. When it is necessary to clean the filter plate 41, the fixing bolts are removed from the sealing block 42, and then the handle 43 is pulled to pull the filter plate 41 out of the incinerator body 5, so that it is convenient for the staff to clean it. When it is necessary When replacing the filter plate 41, lift the pull rod 46 to drive the limit block 45 to contract. After the limit block 45 contracts, the filter plate 41 is removed from the sealing block 42, and then the plug block 47 at one end of the new filter plate 41 is inserted into the sealing block 42. When the plug block 47 is inserted into the sealing block 42, the limit block 45 will fix it through the rebound of the spring 48. Since a slot is provided at one end of the sealing block 42, the plug block 47 can be inserted into the sealing block 42, and a fixing bolt is provided on the surface of the sealing block 42, so that it can be fixed;

[0040] When in use, it is used for waste gas heat exchange in a direct-fired incinerator. During operation, it is necessary to exchange heat for the high-temperature gas generated after combustion. When the waste gas is incinerated, high-temperature gas will be generated, and then the high-temperature gas will enter the air intake channel 62 in the heat exchange box 61 through the exhaust pipe 7. After the high-temperature gas enters the air intake channel 62, the heat exchange pipe 67 will transport it into the exhaust channel 66. When the heat exchange pipe 67 transports the high-temperature gas, the water in the heat exchange box 61 will exchange heat with it, so that the heat energy in the high-temperature gas can be recycled. Since a water inlet 63 is provided on one side of the heat exchange box 61, the staff can replenish the water in the heat exchange box 61. A drain port 64 is provided on the other side of the heat exchange box 61, and a filter head 651 is provided at one end of the drain port 64. A filter screen 652 and a filter cotton 653 are provided on one side and inside of the filter head 651, so that the discharged water can be filtered to remove impurities in the water.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A direct-fired incinerator, comprising an incinerator body (5), an exhaust pipe (7) is arranged above the incinerator body (5), a support leg (1) is arranged below the incinerator body (5), a gas nozzle (12) is arranged in the middle of the lower part of the incinerator body (5), an air intake pipe (2) is arranged on one side of the incinerator body (5), an exhaust gas intake pipe (11) is arranged on the other side of the incinerator body (5), a PLC controller (10) is arranged above the exhaust gas intake pipe (11), an air distribution plate (3) is arranged inside the incinerator body (5), an ignition device (9) is arranged above the air distribution plate (3), and a temperature measuring instrument (8) is arranged on the inner wall of the incinerator body (5), characterized in that: A filter assembly (4) is arranged above the ignition device (9), and a heat exchange assembly (6) is arranged above the exhaust pipe (7).

2. A direct-fired incinerator according to claim 1, characterized in that: The filter assembly (4) comprises a filter plate (41), a sealing block (42), a handle (43), a fixing groove (44), a limit block (45), a pull rod (46), an insert block (47) and a spring (48), wherein a filter plate (41) is arranged above the ignition device (9), a fixing groove (44) is arranged on one side of the filter plate (41), an insert block (47) is arranged on the other side of the filter plate (41), a sealing block (42) is arranged at one end of the insert block (47), a handle (43) is arranged at one side of the sealing block (42), a spring (48) is arranged inside the sealing block (42), a pull rod (46) is arranged in the middle of the spring (48), and a limit block (45) is arranged at one end of the pull rod (46).

3. A direct-fired incinerator according to claim 2, characterized in that: A slot is provided at one end of the sealing block (42), and a fixing bolt is provided on the surface of the sealing block (42).

4. A direct-fired incinerator according to claim 1, characterized in that: The heat exchange component (6) comprises a heat exchange box (61), an air inlet channel (62), a water inlet (63), a water outlet (64), a water filter component (65), an exhaust channel (66) and a heat exchange pipe (67), wherein the heat exchange box (61) is arranged above the exhaust pipe (7), a water inlet (63) is arranged on one side of the heat exchange box (61), a heat exchange pipe (67) is arranged inside the heat exchange box (61), an air inlet channel (62) is arranged on one side of the heat exchange pipe (67), an exhaust channel (66) is arranged on the other side of the heat exchange pipe (67), a water filter component (65) is arranged below the inside of the heat exchange box (61), and a water outlet (64) is arranged on one side of the water filter component (65).

5. A direct-fired incinerator according to claim 4, characterized in that: The water filter assembly (65) comprises a filter head (651), a filter screen (652) and filter cotton (653), wherein the filter head (651) is arranged at the lower part of the interior of the heat exchange box (61), the filter screen (652) is arranged on one side of the filter head (651), and the filter cotton (653) is arranged inside the filter head (651).

6. A direct-fired incinerator according to claim 4, characterized in that: The surface of the heat exchange box (61) is provided with a water level observation port, and the inner wall of the heat exchange box (61) is provided with thermal insulation cotton.

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