Heat accumulating type incineration oxidation furnace

Abstract

The utility model relates to the field of heat accumulating type incineration oxidation furnaces, in particular to a heat accumulating type incineration oxidation furnace which comprises a furnace body, an oxidation cavity is formed in the furnace body, a heating device is arranged at the position, located at the oxidation cavity, of the furnace body, and the heating device comprises an electric heating mechanism and a fuel gas heating mechanism. The electric heating mechanism and the fuel gas heating mechanism are both used for raising the temperature in the furnace body, the problem that in a traditional mode, the selectivity of energy sources in the temperature raising mode of a heat storage type incineration oxidation furnace is single, and consequently the temperature raising efficiency is low is solved, the purpose that proper energy sources are selected for temperature raising operation according to different conditions can be achieved, and the energy consumption is reduced. Therefore, the effect of improving the heating efficiency of the heat accumulating type incineration oxidation furnace is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of regenerative incineration oxidation furnace, in particular to a regenerative incineration oxidation furnace. BACKGROUND

[0002] The regenerative incineration oxidation furnace is also called regenerative oxidation furnace, which is a device for treating waste gas. First, the waste gas is heated to near thermal oxidation temperature, and then enters the combustion chamber for thermal oxidation. The temperature of the oxidized gas is increased, and the organic matter is basically converted into carbon dioxide and water. The purified gas is cooled and can be discharged after meeting the emission standard.

[0003] At present, the traditional regenerative oxidation furnace usually only uses natural gas as energy, and is equipped with a combustion head and a gas valve group. The natural gas is delivered to the combustion head by the gas valve group for combustion, so as to increase the temperature in the furnace body, so as to treat the waste gas.

[0004] However, when the waste gas is treated by this method, combustion-supporting air needs to be introduced into the furnace body to improve the combustion efficiency of natural gas. Therefore, the heating method by burning natural gas is relatively single, which reduces the heating efficiency of the regenerative incineration oxidation furnace. CONTENT OF THE INVENTION

[0005] In order to improve the heating efficiency of the regenerative incineration oxidation furnace, the present application provides a regenerative incineration oxidation furnace.

[0006] The present application provides a regenerative incineration oxidation furnace, which adopts the following technical scheme:

[0007] A regenerative incineration oxidation furnace, comprising a furnace body, wherein an oxidation chamber is arranged in the furnace body, a heating device is arranged on the furnace body at the oxidation chamber, the heating device comprises an electric heating mechanism and a gas heating mechanism, and the electric heating mechanism and the gas heating mechanism are used to increase the temperature in the furnace body.

[0008] By adopting the above technical scheme, the point electric heating mechanism and the gas heating mechanism are arranged, so that the mixed heating method is used instead of the single gas heating method, so that the temperature in the oxidation chamber in the furnace body is increased by the electric heating mechanism and the gas heating mechanism when treating the waste gas, or the appropriate heating method is selected according to different working conditions, so as to improve the heating efficiency of the regenerative incineration oxidation furnace.

[0009] In one specific implementation, the electric heating mechanism comprises a heating assembly and an electric connection assembly, the heating assembly comprises a silicon-carbon rod and an insulating tube, the insulating tube is installed on the side wall of the furnace body, the silicon-carbon rod is installed on the furnace body through the insulating tube, the electric connection assembly is installed on the side wall of the furnace body, and the electric connection assembly is connected with the silicon-carbon rod.

[0010] By using the above technical scheme, the silicon-carbon rod is powered by the electric connection assembly, so that the silicon-carbon rod generates heat, thereby facilitating the increase of the temperature of the oxidation chamber in the furnace body by electric heating.

[0011] In one specific implementation, the insulating tube and the silicon-carbon rod are filled with thermal insulation material.

[0012] By using the above technical scheme, the silicon-carbon rod is positioned by arranging thermal insulation material between the insulating tube and the silicon-carbon rod, and the thermal insulation material can also insulate the heat of the silicon-carbon rod, thereby reducing the damage to the insulating tube.

[0013] In one specific implementation, the electric connection assembly comprises a power supply wire and a wire clamp, one end of the power supply wire is connected with an external power source, the other end of the power supply wire is wound around the end of the silicon-carbon rod, the wire clamp is detachably installed on the end of the silicon-carbon rod, and the wire clamp is used to position the power supply wire on the silicon-carbon rod.

[0014] By using the above technical scheme, the power supply wire is positioned on the silicon-carbon rod by the wire clamp, thereby facilitating the stability of the connection between the power supply wire and the silicon-carbon rod, thereby facilitating the power supply from the external power source to the silicon-carbon rod through the power supply wire, and thereby facilitating the increase of the temperature of the oxidation chamber in the furnace body by the silicon-carbon rod.

[0015] In one specific implementation, the wire clamp comprises a first clamp plate, a second clamp plate and a locking member, one end of the first clamp plate is hinged to one end of the second clamp plate, the first clamp plate and the second clamp plate are used to clamp the silicon-carbon rod, the locking member is installed on the other end of the first clamp plate, and the locking member is also connected with the other end of the second clamp plate.

[0016] By using the above technical scheme, the power supply wire is positioned on the silicon-carbon rod by clamping the first clamp plate and the second clamp plate on the end of the silicon-carbon rod, and then positioning the second clamp plate and the first clamp plate by the locking member.

[0017] In one specific implementation, the locking member comprises a locking rod and a locking nut, one end of the locking rod is installed on the first clamp plate, the other end of the locking rod extends towards the second clamp plate, a clamping groove is formed in the second clamp plate for clamping the locking rod, and the locking nut is threadedly installed on the locking rod and used to abut against the side wall of the second clamp plate away from the first clamp plate.

[0018] By adopting the technical scheme, the locking rod on the first clamping plate is clamped with the clamping groove on the second clamping plate, then the locking nut is tightened, the locking nut abuts against the side wall of the second clamping plate, the second clamping plate is positioned with the first clamping plate, and the wiring clamp is conveniently and stably installed on the silicon-carbon rod.

[0019] In one specific implementation, the gas heating mechanism comprises a burner head and a gas valve group, the gas valve group is installed on the furnace body, the gas burner head is installed in the oxidation chamber in the furnace body, and one end of the gas valve group is connected with an external gas source and the other end is connected with the burner head.

[0020] By adopting the technical scheme, the external gas source is delivered to the burner head through the gas valve group, the natural gas is conveniently combusted through the combustion mechanism, the temperature of the oxidation chamber in the furnace body is conveniently raised, and the exhaust gas is conveniently treated.

[0021] In one specific implementation, the furnace body is further provided with a supplementary air mechanism, and the supplementary air mechanism is used for introducing combustion-supporting air into the oxidation chamber.

[0022] By adopting the technical scheme, the supplementary air mechanism is provided, the combustion-supporting air is conveniently introduced into the furnace body through the supplementary air mechanism, and the combustion efficiency of the gas is conveniently improved.

[0023] In summary, the present application has at least one of the following beneficial effects:

[0024] 1. The present application is provided with an electric heating mechanism and a gas heating mechanism, the temperature of the oxidation chamber in the furnace body is conveniently raised through the electric heating mechanism and the gas heating mechanism, suitable temperature raising modes can be selected according to different working conditions, and the temperature raising efficiency of the heat accumulating incineration oxidation furnace is conveniently improved.

[0025] 2. The present application is provided with a wiring clamp, the power supply wire is conveniently positioned on the silicon-carbon rod through the wiring clamp, and the stability of the connection between the power supply wire and the silicon-carbon rod is conveniently maintained. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the heat accumulating incineration oxidation furnace of the present application.

[0027] Figure 2 is a structural schematic view of the electric heating mechanism in the embodiment of the present application.

[0028] Figure 3 is an enlarged view of A in Figure 2

[0029] Figure 4 is a structural schematic view of the wiring assembly in the embodiment of the present application. ​

[0030] Figure 5 is a structural schematic view of the wire clamp in the embodiment of the present application.

[0031] Figure 6 is a structural schematic view of the gas heating mechanism in the embodiment of the present application.

[0032] Legend of reference signs:

[0033] 1, furnace body; 2, heating device; 21, electric heating mechanism; 211, heating assembly; 2111, silicon-carbon rod; 2112, insulating tube; 2113, connecting plate; 212, electricity connection assembly; 2121, power supply wire; 2122, first clamp plate; 2123, second clamp plate; 21231, clamping groove; 2124, locking rod; 2125, locking nut; 22, gas heating mechanism; 221, combustion head; 222, gas valve group; 3, air supplement mechanism; 31, combustion air fan; 32, air inlet pipeline; 4, cover; 5, gas pipe joint. DETAILED DESCRIPTION

[0034] The present application is further described in detail below with reference to the accompanying drawings.

[0035] The embodiment of the present application discloses a heat accumulating incineration oxidation furnace, referring to Figure 1 and Figure 2 , comprising a furnace body 1, wherein an oxidation chamber is arranged in the furnace body 1, a heating device 2 is installed on the furnace body 1 at the oxidation chamber, the heating device 2 comprises an electric heating mechanism 21 and a gas heating mechanism 22, an air supplement mechanism 3 is further installed on the furnace body 1, the electric heating mechanism 21 and the gas heating mechanism 22 are both used to raise the temperature in the oxidation chamber, and the air supplement mechanism 3 is used to introduce combustion air into the oxidation chamber.

[0036] Referring to Figure 2 and Figure 3, the electric heating mechanism 21 comprises a heating assembly 211 and an electricity connection assembly 212, the heating assembly 211 comprises silicon carbon rods 2111 and insulation tubes 2112, the insulation tubes 2112 are provided with a plurality of tubes, and the plurality of insulation tubes 2112 are detachably installed on the side walls of the two sides of the furnace body 1, and one end of the insulation tube 2112 is located outside the furnace body 1, and the insulation tubes 2112 on the two sides of the furnace body 1 are symmetrical to each other. The silicon carbon rods 2111 are also provided with a plurality of rods, and each silicon carbon rod 2111 corresponds to two symmetrical insulation tubes 2112 on the side walls of the two sides of the furnace body 1, and one end of the silicon carbon rod 2111 is inserted from the insulation tube 2112 on one side of the furnace body 1, and passes through the furnace body 1, and then extends from the insulation tube 2112 on the other side of the furnace body 1, so that both ends of the silicon carbon rod 2111 are located outside the furnace body 1. There is a gap between the outer side wall of the silicon carbon rod 2111 and the inner side wall of the insulation tube 2112, and the gap between the outer side wall of the silicon carbon rod 2111 and the inner wall of the insulation tube 2112 is filled with thermal insulation material, which is used to reduce the heat generated by the silicon carbon rod 2111 directly transmitted to the side wall of the furnace body 1 through the insulation tube 2112, and the thermal insulation material is also used to support the silicon carbon rod 2111, and the thermal insulation material is a prior art, which will not be described here.

[0037] With reference to Figure 3 , the end of the silicon carbon rod 2111 located outside the furnace body 1 is also sleeved with a connecting plate 2113, the side wall of the connecting plate 2113 abuts against the side wall of the insulation tube 2112 located outside the furnace body 1, and the connecting plate 2113 is connected with the side wall of the furnace body 1 through a pin.

[0038] With reference to Figure 2 and Figure 4 , the electricity connection assembly 212 comprises a power supply wire 2121 and a wire clamp, one end of the power supply wire 2121 is connected with an external power supply, and the other end is wound around the side wall of the end of the silicon carbon rod 2111 located outside the furnace body 1. With reference to Figure 4 and Figure 5The connecting clamp comprises a first clamping plate 2122, a second clamping plate 2123 and a locking member, one end of the first clamping plate 2122 is hinged to one end of the second clamping plate 2123 through a hinge shaft, and an upper arc-shaped portion is arranged at the end of the first clamping plate 2122 away from the hinge shaft, a lower arc-shaped portion is arranged at the end of the second clamping plate 2123 away from the hinge shaft, a space for storing the silicon-carbon rod 2111 is left between the upper arc-shaped portion and the lower arc-shaped portion, and a gap for the cable to pass through is also left between the upper arc-shaped portion and the lower arc-shaped portion. The locking member comprises a locking rod 2124 and a locking nut 2125, one end of the locking rod 2124 is rotatably installed on the side wall of the end of the first clamping plate 2122 away from the hinge shaft, the other end of the locking rod 2124 extends towards the second clamping plate 2123, a clamping groove 21231 is arranged on the side wall of the second clamping plate 2123 for clamping the locking rod 2124, a thread is arranged on the side wall of the locking rod 2124, and the locking nut 2125 is threadedly installed on the locking rod 2124, and the side wall of the locking nut 2125 is used for abutting against the side wall of the second clamping plate 2123 away from the first clamping plate 2122. In another embodiment of the present application, the connecting clamp can also adopt a C-shaped clamp to position the power supply wire 2121 at the end of the silicon-carbon rod 2111.

[0039] With reference to Figure 2 and Figure 5 When the power supply wire 2121 is wound around the end of the silicon-carbon rod 2111, the upper arc-shaped portion of the first clamping plate 2122 is installed at the end of the silicon-carbon rod 2111, so that the power supply wire 2121 is located between the upper arc-shaped portion of the first clamping plate 2122 and the silicon-carbon rod 2111, then the second clamping plate 2123 is buckled with the first clamping plate 2122, so that the lower arc-shaped portion of the second clamping plate 2123 is combined with the upper arc-shaped portion of the first clamping plate 2122, thereby covering the power supply wire 2121 and the silicon-carbon rod 2111, and the cable passes through the gap between the upper arc-shaped portion and the lower arc-shaped portion, then the locking rod 2124 is rotated, so that the end of the locking rod 2124 away from the first clamping plate 2122 is clamped in the clamping groove 21231 of the second clamping plate 2123, then the locking nut 2125 is rotated, so that the locking nut 2125 moves along the locking rod 2124 towards the second clamping plate 2123, until the side wall of the locking nut 2125 abuts against the side wall of the second clamping plate 2123 away from the first clamping plate 2122, thereby keeping the second clamping plate 2123 positioned with the first clamping plate 2122, thereby positioning the connecting clamp at the end of the silicon-carbon rod 2111 and positioning the power supply wire 2121 on the silicon-carbon rod 2111, so as to keep the stable connection between the power supply wire 2121 and the silicon-carbon rod 2111.

[0040] With reference to Figure 1 and Figure 2A cover 4 is fixedly installed on the side wall of the furnace body 1 at the end of the silicon-carbon rod 2111, and is used to cover the end of the silicon-carbon rod 2111 outside the furnace body 1. A gas pipe joint 5 is installed on the side wall of the cover 4, and one end of the gas pipe joint 5 is in communication with the inside of the cover 4, and the other end is connected with an external gas source through a pipeline.

[0041] With reference to Figure 1 and Figure 6 The gas heating mechanism 22 comprises a combustion head 221 and a gas valve group 222. The combustion head 221 is installed in the oxidation chamber in the furnace body 1, and the gas valve group 222 is installed on the side wall of the furnace body 1 and is connected with the combustion head 221. The combustion head 221 is used to raise the temperature in the furnace body 1, and the gas valve group 222 and the combustion head 221 are both prior art in the field, and will not be described here.

[0042] With reference to Figure 1 A combustion air supplementing mechanism 3 is also installed on the side wall of the furnace body 1. The combustion air supplementing mechanism 3 comprises a combustion air fan 31 and an air inlet pipeline 32. The combustion air fan 31 is arranged on one side of the furnace body 1, and one end of the air inlet pipeline 32 is installed on the air outlet end of the combustion air fan 31. The other end of the air inlet pipeline 32 is installed on the side wall of the furnace body 1 and is in communication with the oxidation chamber in the furnace body 1. The combustion air fan 31 and the way of introducing combustion air into the furnace body 1 by the combustion air fan 31 are both prior art in the field, and will not be described here.

[0043] The working principle of the embodiment is as follows: the external power supply is used to supply power to the silicon-carbon rod 2111 to raise the temperature in the furnace body 1. At the same time, the external gas is delivered to the combustion head 221 through the gas valve group 222, and the gas is combusted by the combustion head 221, so as to raise the temperature in the furnace body 1 together with the silicon-carbon rod 2111, thereby improving the temperature raising efficiency in the furnace body 1. The combustion air fan 31 is used to introduce combustion air into the oxidation chamber in the furnace body 1 through the air inlet pipeline 32, so that the gas can be fully combusted, thereby maintaining the temperature in the furnace body 1.

[0044] When the internal pressure and the external pressure of the furnace body 1 produce a pressure difference, the compressed gas is introduced into the cover 4 or the air in the cover 4 is extracted by the external gas source, so that the pressure on the part of the silicon-carbon rod 2111 in the furnace body 1 and the part of the silicon-carbon rod 2111 outside the furnace body 1 is the same, thereby facilitating the improvement of the service life of the silicon-carbon rod 2111.

[0045] When the silicon-carbon rod 2111 needs to be replaced due to wear, the locking nut 2125 is rotated away from the second clamping plate 2123, then the locking rod 2124 is rotated to be separated from the clamping slot 21231 on the second clamping plate 2123, then the second clamping plate 2123 is rotated to be separated from the first clamping plate 2122, then the first clamping plate 2122 is removed from the end of the silicon-carbon rod 2111, thereby completing the disassembly of the wiring clamp, then the power supply wire 2121 is disassembled and the silicon-carbon rod 2111 is replaced.

[0046] The above is the preferred embodiment of the present application, which does not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A regenerative incineration oxidation furnace, comprising a furnace body (1), characterized in that: An oxidation chamber is provided in the furnace body (1), and a heating device (2) is provided on the furnace body (1) at the oxidation chamber. The heating device (2) comprises an electric heating mechanism (21) and a gas heating mechanism (22). Both the electric heating mechanism (21) and the gas heating mechanism (22) are used to increase the temperature in the furnace body (1).

2. A regenerative thermal incineration oxidation furnace according to claim 1, characterized in that: The electric heating mechanism (21) comprises a heating component (211) and an electrical connection component (212); the heating component (211) comprises a silicon carbon rod (2111) and an insulating tube (2112); the insulating tube (2112) is mounted on the side wall of the furnace body (1); the silicon carbon rod (2111) is mounted on the furnace body (1) via the insulating tube (2112); the electrical connection component (212) is mounted on the side wall of the furnace body (1), and the electrical connection component (212) is connected to the silicon carbon rod (2111).

3. A regenerative thermal incineration oxidation furnace according to claim 2, characterized in that: The space between the insulating tube (2112) and the silicon carbon rod (2111) is filled with thermal insulation material.

4. A regenerative thermal incineration oxidation furnace according to claim 2, characterized in that: The power connection assembly (212) comprises a power supply line (2121) and a wiring clamp, one end of the power supply line (2121) is connected to an external power source, the other end of the power supply line (2121) is wound around the end of the silicon carbon rod (2111), and the wiring clamp is detachably mounted on the end of the silicon carbon rod (2111), and is used to position the power supply line (2121) on the silicon carbon rod (2111).

5. The regenerative thermal incineration oxidation furnace according to claim 4, characterized in that: The terminal clamp includes a first clamping plate (2122), a second clamping plate (2123) and a locking piece, one end of the first clamping plate (2122) is hinged to one end of the second clamping plate (2123), and the first clamping plate (2122) and the second clamping plate (2123) are used to clamp the silicon carbon rod (2111), the locking piece is installed at the other end of the first clamping plate (2122), and the locking piece is also connected to the other end of the second clamping plate (2123).

6. The regenerative thermal incineration oxidation furnace according to claim 5, characterized in that: The locking member comprises a locking rod (2124) and a locking nut (2125), one end of the locking rod (2124) is mounted on the first clamping plate (2122), the other end of the locking rod (2124) extends toward the second clamping plate (2123), and the second clamping plate (2123) is provided with a slot (21231) for the locking rod (2124) to be engaged, the locking nut (2125) is threadedly mounted on the locking rod (2124), and the locking nut (2125) is used to abut against the side wall of the second clamping plate (2123) away from the first clamping plate (2122).

7. The regenerative thermal incineration oxidation furnace according to claim 1, characterized in that: The gas heating mechanism (22) comprises a burner head (221) and a gas valve group (222), wherein the gas valve group (222) is mounted on the furnace body (1), the gas head is mounted in an oxidation chamber in the furnace body (1), and one end of the gas valve group (222) is connected to an external gas source, and the other end is connected to the burner head (221).

8. The regenerative thermal incineration oxidation furnace according to claim 1, characterized in that: An air supply mechanism (3) is also installed on the furnace body (1), and the air supply mechanism (3) is used to introduce combustion-supporting air into the oxidation chamber.

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