Electric RTO with bottom-mounted electric heater

Abstract

The utility model provides an electric RTO with a bottom-mounted electric heater, which relates to the technical field of waste gas treatment, solves the problems of uneven temperature distribution, much waste gas and difficulty in replacement of equipment, and comprises an RTO main body, an electric heater mounting port is arranged at the bottom of an oxidation chamber of the RTO main body, and an adjusting mechanism is arranged at the mounting port. Installation and maintenance of the electric heater are achieved through telescopic adjustment of the adjusting mechanism. The electric heater has the advantages that the electric heater adopts a bottom-adjustable mounting mode, so that the maintenance is convenient, and the space is saved; through telescopic adjustment of the adjusting rod, the electric heater can be installed and maintained at the bottom of the RTO main body, installation and maintenance at the top of the RTO are avoided, and high-altitude operation is avoided; in addition, the top of the RTO does not need a handrail, a vertical ladder, a cantilever crane and the like for overhauling, so that the overall height of the RTO is reduced; electric heating is adopted, the center temperature of an electric heater is far lower than the nitrogen oxide generation temperature (1500 DEG C or above), and almost no nitrogen oxide is emitted.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to an electric RTO with a bottom-mounted electric heater. Background Art

[0002] Traditional RTO equipment uses gas for heating. Due to structural limitations, the internal temperature distribution is not uniform. In addition, due to the high combustion temperature, it is easy to produce large amounts of nitrogen oxides and carbon emissions. In addition, the heating equipment is difficult to maintain, which consumes manpower costs. Utility Model Content

[0003] To this end, the utility model provides an electric RTO with a bottom-mounted electric heater, which is used to solve the problems of uneven temperature distribution, excessive waste gas generation, and difficulty in replacing equipment.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an electric RTO with a bottom-mounted electric heater, comprising:

[0005] The RTO body is arranged in a tower shape and includes an oxidation chamber, a heat storage chamber and an electric heater installation port. The oxidation chamber is arranged at the top of the heat storage chamber, and the electric heater installation port is arranged at the bottom of the oxidation chamber;

[0006] An electric heater comprising a fixed housing, a temperature control box, a heat dissipation device, a heat insulation layer, a heating chamber, and a heating pipe, wherein one side of the heat insulation layer is connected to a side of the heating chamber, and the heat insulation layer and the heating chamber are arranged inside the fixed housing; the heat dissipation device has two ends connected to the heat insulation layer and the temperature control box, respectively; and the heating pipe is arranged in the heating chamber;

[0007] An adjustment mechanism, the adjustment mechanism is arranged at the installation port of the electric heater, and includes a fixed support and an adjustment rod, and the adjustment rod is arranged at the inner circle position of the fixed support;

[0008] The fixed support is arranged at the outer ring position of the electric heater installation port, one end of the adjustment rod is connected and fixed to the temperature control box, and the adjustment rod can drive the electric heater to move at the electric heater installation port.

[0009] Preferably, the fixing support is configured as a rectangular frame, at least four bolt holes are provided at the four corners of the rectangular frame, and four limiting holes are symmetrically provided on the inner side of the rectangular frame.

[0010] Preferably, the adjusting rod is configured as a telescopic rod, and the number of the adjusting rods is consistent with the number of the limiting holes.

[0011] Preferably, the adjusting rod further comprises a limit block, which is arranged inside the adjusting rod and can be extended and retracted inward and outward at the rod body of the adjusting rod.

[0012] Preferably, the longest length of the adjusting rod is greater than the maximum length of the electric heater, and the shortest length of the adjusting rod is consistent with the total length of the temperature control box and the heat dissipation device.

[0013] Preferably, the temperature control box, the heat dissipation device and the heating chamber are in a straight line.

[0014] Preferably, the size of the heat insulation layer is the same as that of the electric heater installation opening.

[0015] Preferably, the heating pipe is vertically arranged relative to the ground, at least one heating pipe is provided, and it is arranged as a U-shaped pipe.

[0016] Preferably, the heat dissipation device includes a plurality of heat dissipation fins and a plurality of heat dissipation rods. The heat dissipation fins are fixed on the heat dissipation rods. The heat dissipation rods penetrate through the heat insulation layer and are connected to the heating chamber, and the heat dissipation rods are vertically arranged relative to the ground.

[0017] Preferably, a plurality of ceramic heat storage bodies are laid in the heat storage chamber.

[0018] The present application adopts the above technical solutions and at least has the following beneficial effects:

[0019] The electric heater adopts an adjustable installation method at the bottom, which is convenient for maintenance and saves space; through the telescopic adjustment of the adjusting rod, the installation operation and maintenance of the electric heater can be carried out at the bottom of the RTO main body, avoiding installation and maintenance at the top of the RTO, and there is no high-altitude operation; in addition, railings, straight ladders, jib cranes, etc. for maintenance are not required at the top of the RTO, reducing the overall height of the RTO; using electric heating, the central temperature of the electric heater is much lower than the temperature at which nitrogen oxides are generated (above 1500 degrees Celsius), and almost no nitrogen oxide emissions will be generated.

[0020] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 is a schematic structural diagram provided by an embodiment of the present invention;

[0023] Figure 2It is a schematic structural diagram of an electric heating box provided by an embodiment of the present utility model;

[0024] Figure 3 It is a schematic structural diagram of an adjustment mechanism provided by an embodiment of the present utility model;

[0025] Figure 4 It is a bottom view of the adjustment mechanism provided by an embodiment of the present utility model;

[0026] Figure 5 It is a schematic structural diagram of a three - tower RTO provided by an embodiment of the present utility model;

[0027] In the figure: 1. RTO main body; 2. Oxidation chamber; 3. Regenerative chamber; 4. Electric heater installation port; 5. Fixed outer shell; 6. Temperature control box; 7. Heat dissipation device; 8. Heat insulation layer; 9. Heating chamber; 10. Heating tube; 11. Fixed support; 12. Adjusting rod; 71. Heat dissipation fin; 72. Heat dissipation rod; 111. Bolt hole; 112. Limit hole; 121. Limit block. Detailed implementation manners

[0028] To make the purpose, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other implementation manners obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope protected by the present utility model.

[0029] A specific embodiment of the present utility model provides an electric RTO with a bottom - mounted electric heater. Combining with the attached Figures 1-5 shown in the figure, it mainly includes:

[0030] The RTO main body 1, the RTO main body 1 is set in a tower shape, and the RTO main body 1 includes an oxidation chamber 2, a regenerative chamber 3 and an electric heater installation port 4. The oxidation chamber 2 is arranged on the top of the regenerative chamber 3, and an electric heater installation port 4 is arranged at the bottom position of the oxidation chamber 2;

[0031] The electric heater, the electric heater includes a fixed outer shell 5, a temperature control box 6, a heat dissipation device 7, a heat insulation layer 8, a heating chamber 9 and a heating tube 10. One side of the heat insulation layer 8 is connected to the side of the heating chamber 9, and the heat insulation layer 8 and the heating chamber 9 are arranged inside the fixed outer shell 5; Both ends of the heat dissipation device 7 are respectively connected to the heat insulation layer 8 and the temperature control box 6; The heating tube 10 is arranged in the heating chamber 9;

[0032] The adjustment mechanism, the adjustment mechanism is arranged at the electric heater installation port 4, and includes a fixed support 11 and an adjusting rod 12. The adjusting rod 12 is arranged at the inner ring position of the fixed support 11;

[0033] Among them, the fixed support 11 is arranged at the outer position of the electric heater installation port 4. One end of the adjusting rod 12 is fixedly connected to the temperature control box 6, and the adjusting rod 12 can drive the electric heater to move at the electric heater installation port 4.

[0034] Specifically, as Figure 2 shown, the temperature control box 6, the heat dissipation device 7 and the heating chamber 9 of the electric heating box are arranged in a straight line. A heating tube 10 is arranged in the heating chamber 9. The tube bodies of a plurality of heating tubes 10 are arranged vertically relative to the ground, and the heating tube 10 is arranged in a U-shaped tube.

[0035] The heat dissipation device 7 includes a plurality of heat dissipation fins 71 and a plurality of heat dissipation rods 72. The heat dissipation fins 71 are uniformly fixed on the heat dissipation rods 72. One end of the heat dissipation rod 72 penetrates through the heat insulation layer 8 and is connected to the heating chamber 9 to help the heating chamber 9 dissipate heat by conduction heat dissipation; the heat insulation layer 8 is the same size as the electric heater installation port 4, and the temperature and switch of the heating tube 9 are controlled by the control components in the temperature control box 5.

[0036] Specifically, as Figures 3-4 shown, the fixed support 11 is arranged as a rectangular frame and is made of steel. In this embodiment, a total of four bolt holes 111 are arranged at the four corners of the fixed support 11, and the bolt can fix the fixed support 11 at the electric heater installation port 4 through the bolt hole 111; four limiting holes 112 are symmetrically arranged on the rectangular frame of the fixed support 11, and the limiting holes 112 are used for bolt connection and fixation with one end of the adjusting rod 12, so that the adjusting rod 12 and the fixed support 11 are vertically connected.

[0037] Specifically, the adjusting rod 12 is arranged as a telescopic rod, its maximum length is greater than the maximum length of the electric heater, and its minimum length is the same as the sum of the lengths of the temperature control box 6 and the heat dissipation device 7; the adjusting rod 12 is arranged as a mechanical structure similar to the handle of an umbrella. A limiting block 121 is arranged inside the adjusting rod 12, which can limit the movement of the adjusting rod 12 after the length of the adjusting rod 12 is adjusted to ensure the stability and firmness of the adjusting rod 12; at the other end of the adjusting rod 12, four limiting plates are arranged. The limiting plates are bolted and fixed to the adjusting rod, and bolt holes are left on the limiting plates, and the temperature control box 6 of the electric heater can be arranged between the four adjusting rods 12, and the electric heater is fixed by bolt connection between the limiting plates and the temperature control box 6.

[0038] Embodiment 1

[0039] As Figure 1As shown in the figure, the RTO main body is set in a two-tower shape, and a regenerator 3 is arranged at its bottom. A ceramic regenerator is arranged in the regenerator 3 to ensure the temperature control ability of the regenerator 3. An oxidation chamber 2 is arranged at the top of the regenerator 3. The oxidation chamber 2 is arranged in an n shape. An electric heater installation opening 4 is arranged at the bottom of the oxidation chamber 2. A fixed support 11 is fixed outside the electric heating installation opening 4. The electric heater is installed in a vertical state and the heating chamber 9 is arranged in the oxidation chamber 2. A temperature control box 6 is arranged on the outermost side. The telescopic adjusting rod 12 is extended to the maximum length, and the electric heater is arranged between the adjusting rods 12. The temperature control box 6 is fixed by bolts and limit plates to complete the fixation of the electric heater. The length of the adjusting rod is contracted, so that the electric heater moves into the oxidation chamber 2. After moving to the heat insulation layer 8 and the electric heater installation opening 4, the adjusting rod reaches the shortest length, realizing the installation of the electric heater.

[0040] Embodiment 2

[0041] As Figure 5 shown in the figure, the RTO main body is set in a three-tower shape, and a regenerator 3 is arranged at its bottom. A ceramic regenerator is arranged in the regenerator 3 to ensure the temperature control ability of the regenerator 3. An oxidation chamber 2 is arranged at the top of the regenerator 3. The oxidation chamber 2 is arranged in an m shape. An electric heater installation opening 4 is arranged at the bottom of the oxidation chamber 2. Two groups of electric heater installation openings 4 are arranged in this embodiment, and two groups of electric heaters can be installed simultaneously to ensure uniform heating in the tower. Heat is provided to the oxidation chamber 2 of the RTO main body through the electric heating tube 10. The waste gas passes through the surface of the electric heating tube 10, and convective heat transfer occurs. The electric heating tube 10 converts electrical energy into the thermal energy required for oxidizing the waste gas.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the present invention.

Claims

1. The electric RTO with a bottom-mounted electric heater, characterized in that, Including: An RTO main body (1), the RTO main body (1) is set in a tower shape, and the RTO main body (1) includes an oxidation chamber (2), a regenerative chamber (3) and an electric heater installation opening (4), the oxidation chamber (2) is arranged on top of the regenerative chamber (3), and an electric heater installation opening (4) is arranged at the bottom position of the oxidation chamber (2); An electric heater, the electric heater includes a fixed outer shell (5), a temperature control box (6), a heat dissipation device (7), a heat insulation layer (8), a heating chamber (9) and a heating pipe (10), one side of the heat insulation layer (8) is connected to the side of the heating chamber (9), and the heat insulation layer (8) and the heating chamber (9) are arranged inside the fixed outer shell (5); both ends of the heat dissipation device (7) are respectively connected to the heat insulation layer (8) and the temperature control box (6); the heating pipe (10) is arranged in the heating chamber (9); An adjusting mechanism, the adjusting mechanism is arranged at the electric heater installation opening (4), and includes a fixed support (11) and an adjusting rod (12), the adjusting rod (12) is arranged at the inner ring position of the fixed support (11); Wherein, the fixed support (11) is arranged at the outer ring position of the electric heater installation opening (4), one end of the adjusting rod (12) is fixedly connected to the temperature control box (6), and the adjusting rod (12) can drive the electric heater to move at the electric heater installation opening (4).

2. The electric RTO with a bottom-mounted electric heater according to claim 1, characterized in that: The fixed support (11) is set as a rectangular frame, and there are no less than four bolt holes (111) at the four corners of the rectangular frame, and four limiting holes (112) are symmetrically arranged on the rectangular frame.

3. The electric RTO with a bottom-mounted electric heater according to claim 2, characterized in that: The adjusting rod (12) is set as a telescopic rod, and the number of the adjusting rods (12) is the same as the number of the limiting holes (112).

4. The electric RTO with a bottom-mounted electric heater according to claim 3, characterized in that: The adjusting rod (12) further includes a limiting block (121), the limiting block (121) is arranged inside the adjusting rod (12), and the limiting block (121) can telescopically move inside and outside the rod body of the adjusting rod (12).

5. The electric RTO with a bottom-mounted electric heater according to claim 4, characterized in that: The longest length of the adjusting rod (12) is greater than the maximum length of the electric heater, and the shortest length of the adjusting rod (12) is the same as the total length of the temperature control box (6) and the heat dissipation device (7).

6. The electric RTO with a bottom-mounted electric heater according to claim 1, characterized in that: The temperature control box (6), the heat dissipation device (7) and the heating chamber (9) are in the same straight line position.

7. The electric RTO with a bottom-mounted electric heater according to claim 6, characterized in that: The size of the heat insulation layer (8) is the same as that of the electric heater installation opening (4).

8. The electric RTO with a bottom-mounted electric heater according to claim 7, characterized in that: The heating pipe (10) is arranged vertically with respect to the ground. At least one heating pipe (10) is provided and is arranged as a U-shaped pipe.

9. The electric RTO of the bottom-mounted electric heater according to claim 8, characterized in that: The heat dissipation device (7) includes a plurality of heat dissipation fins (71) and a plurality of heat dissipation rods (72). The heat dissipation fins (71) are fixed on the heat dissipation rods (72). The heat dissipation rods (72) penetrate through the heat insulation layer (8) and are connected to the heating chamber (9), and the heat dissipation rods (72) are arranged vertically with respect to the ground.

10. The electric RTO of the bottom-mounted electric heater according to claim 1, characterized in that: A plurality of ceramic heat storage bodies are laid in the heat storage chamber (3).

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