Environment-friendly burner and dewaxing furnace

Abstract

The environment-friendly burner comprises the environment-friendly burner and a furnace body, an air inlet of the environment-friendly burner corresponds to an exhaust port in the top of the furnace body, the environment-friendly burner comprises an appliance main body, an inner cavity of the appliance main body is defined by a plurality of side plates, and an air outlet is formed in the top end of the appliance main body. An air inlet is formed in the bottom of the appliance body, an air outlet plate is arranged at the top of the appliance body, and a plurality of top plate air outlet holes are distributed in the effective working face of the air outlet plate and correspond to the air outlet formed in the top end of the appliance body in position; the appliance body is provided with a plurality of heaters. The utility model aims to provide the environment-friendly combustion and dewaxing furnace which can fully combust VOCs (volatile organic compounds) and improve the purification effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dewaxing equipment, especially to an environmental protection burner and dewaxing furnace. BACKGROUND

[0002] The dewaxing furnace is a key equipment for removing the wax mould in the casting process, after the mould with the wax mould and product is put into the dewaxing furnace, high temperature and steam are generated in the dewaxing furnace, the wax mould in the mould is melted, and the melted wax is discharged from the dewaxing furnace along with the steam, so that the product completes dewaxing.

[0003] The wax body forms various byproducts of hydrocarbons (such as alkanes, alkenes, aromatic hydrocarbons and the like) in the process of being heated and melted, these byproducts and derivatives of oxygen, sulfur, nitrogen and the like in air form volatile organic compounds (English abbreviation VOCs, Volatile Organic Compounds), VOCs are one of important sources of atmospheric pollution and important precursors of photochemical smog and fine particulate matter (PM2.5).

[0004] The existing dewaxing furnace has the following problems: the prior art adopts the heat combustion or catalytic combustion mode to treat the waste steam containing VOCs, and VOCs are converted into carbon dioxide and water and the like harmless atmospheric substances, but due to the uneven distribution, uneven concentration and insufficient residence time in the heat combustor of the steam when being discharged from the dewaxing furnace and other factors, the waste steam containing VOCs is not fully combusted, and the atmosphere is still polluted. SUMMARY

[0005] The utility model aims at providing an environmental protection burner and dewaxing furnace which can fully combust VOCs and improve the purification effect.

[0006] Technical scheme: the environmental protection burner provided by the utility model comprises a utensil main body, the inner cavity of the utensil main body is surrounded by a plurality of side plates, an air outlet is arranged at the top end of the utensil main body, an air inlet is arranged at the bottom of the utensil main body, an air outlet plate is arranged at the top of the utensil main body, a plurality of top plate air outlet holes are formed in the effective working surface of the air outlet plate, and the position of the effective working surface of the air outlet plate corresponds to the position of the air outlet arranged at the top end of the utensil main body; a plurality of heaters are arranged in the inner cavity of the utensil main body.

[0007] Further, the inner cavity of the utensil main body is divided into a plurality of combustion chambers by a plurality of partition plates, a plurality of through holes are formed in each partition plate, the side end surface of each partition plate is connected with the corresponding side plate of the utensil main body, and a plurality of heaters are arranged in each combustion chamber.

[0008] Further, the plurality of combustion chambers are sequentially arranged along the longitudinal direction.

[0009] Further, each of the heaters comprises a plurality of heating wires, and the heating wires are sleeved with the outer shell.

[0010] Further, a plurality of insulating layers are arranged between the heating wires and the outer shell.

[0011] Further, the two ends of the heater are connected with any two opposite side plates respectively.

[0012] Further, the heater comprises a first heater and a second heater, and the first heater and the second heater are arranged in the adjacent two combustion chambers along the longitudinal direction respectively, and the directions of the first heater and the second heater are perpendicular.

[0013] Further, the partition plate comprises a plurality of first partition plates and second partition plates, and the first partition plates and the second partition plates are arranged in sequence along the longitudinal direction, a plurality of first through holes are arranged on the first partition plates, a plurality of second through holes are arranged on the second partition plates, and the positions of the first through holes and the second through holes do not correspond.

[0014] Further, the partition plate further comprises a third partition plate, and a plurality of third through holes are arranged on the third partition plate, and the plurality of third through holes cover the effective working surface of the third partition plate.

[0015] Further, the plurality of top plate air outlet holes cover the effective working surface of the air outlet plate.

[0016] A dewaxing furnace comprises an environmental protection burner, and further comprises a furnace body, the furnace body comprises a top plate arranged on the top, and the top plate is provided with a plurality of exhaust ports, and the positions of the plurality of exhaust ports correspond to the positions of the air inlet ports of the environmental protection burner.

[0017] Further, a plurality of in-furnace heating devices are arranged on the inner wall of the furnace body.

[0018] Beneficial effects: compared with the prior art, the utility model has the following advantages: 1, the air inlet of the environmental protection combustor corresponds with the exhaust port position of the dewaxing furnace body, and the waste steam with VOCs during dewaxing can only enter the environmental protection combustor to be purified and treated;2, a plurality of partition plates are arranged in the utensil main body, and the side edge end face of each partition plate is connected with the corresponding side plate of the utensil main body, which makes the waste steam with VOCs only pass through the through hole of the partition plate to rise, compared with the baffle with gap arranged in the side plate, the through hole in the utility model can further reduce the rising speed of the waste steam, prolong the residence time in the environmental protection combustor, and burn VOCs as much as possible;3, the first partition plate and the second partition plate are arranged along the longitudinal direction in sequence, and the position of the first through hole and the second through hole does not correspond, which prolongs the rising route of the waste steam, so that VOCs can be burned as much as possible;4, the first heater and the second heater are arranged in the two adjacent combustion chambers along the longitudinal direction, and the direction of the first heater and the second heater is perpendicular, which can ensure that all waste steam is burned as much as possible, and improve the purification efficiency of the waste steam. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the perspective view of the utility model.

[0020] Figure 2 It is the perspective view of the furnace body in the utility model.

[0021] Figure 3 It is the sectional view of one angle of the heater in the utility model.

[0022] Figure 4 It is the sectional view of another angle of the heater in the utility model.

[0023] Figure 5 It is the internal structure schematic view of one angle of the environmental protection combustor in the first embodiment.

[0024] Figure 6 It is the internal structure schematic view of another angle of the environmental protection combustor in the first embodiment.

[0025] Figure 7 It is the internal structure schematic view of one angle of the environmental protection combustor in the second embodiment.

[0026] Figure 8 It is the internal structure schematic view of another angle of the environmental protection combustor in the second embodiment.

[0027] Wherein: 1, environmental protection burner; 101, air outlet plate; 102, first partition plate; 103, second partition plate; 104, third partition plate; 105, air inlet; 106, side plate; 2, furnace body; 201, exhaust port; 3, heater; 301, shell; 302, insulation layer; 303, heating wire; 31, first heater; 32, second heater. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be further described below with reference to the drawings.

[0029] Example 1

[0030] Referring to the drawings Figures 1-6 The utility model discloses a dewaxing furnace, including environmental protection burner 1 and furnace body 2.

[0031] The furnace body 2 includes a top plate arranged at the top, the top plate is provided with a plurality of exhaust ports 201, the positions of the plurality of exhaust ports 201 correspond to the position of the air inlet 105 of the environmental protection burner 1, and a plurality of in-furnace heating devices are arranged on the inner wall of the furnace body 2.

[0032] The environmental protection burner 1 includes a utensil main body, the inner cavity of the utensil main body is surrounded by a plurality of side plates 106, the top end of the utensil main body is provided with an air outlet, the bottom of the utensil main body is provided with an air inlet 105, the top of the utensil main body is provided with an air outlet plate 101, the effective working surface of the air outlet plate 101 is covered with a plurality of top plate air outlet holes, and the position of the effective working surface of the air outlet plate 101 corresponds to the position of the air outlet provided at the top end of the utensil main body; the inner cavity of the utensil main body is divided into six longitudinal combustion chambers by five partition plates, wherein the partition plates include two first partition plates 102, two second partition plates 103 and a third partition plate 104, a plurality of third through holes are formed in the third partition plate 104, the plurality of third through holes cover the effective working surface of the third partition plate 104, the third partition plate 104 is arranged at the position closest to the air inlet 105, the first partition plate 102 and the second partition plate 103 are arranged in sequence and spaced apart along the longitudinal direction, a plurality of first through holes are formed in the first partition plate 102, a plurality of second through holes are formed in the second partition plate 103, and the positions of the first through holes and the second through holes do not correspond; the side end faces of all the partition plates are connected with the corresponding side plates 106 of the utensil main body respectively, six heaters 3 are arranged in each combustion chamber, and the six heaters 3 are arranged in two rows and three columns; each heater 3 includes a plurality of heating wires 303, the outer periphery of the heating wire 303 is sleeved with an insulation layer 302, the insulation layer 302 is ceramic, the outer periphery of the insulated wire is sleeved with a shell 301 made of stainless steel, the shell 301 is used for isolating waste steam and the heating wire 303, preventing the water in the waste steam from causing corrosion or short circuit of the heating wire 303, and the two ends of the heater 3 are connected with any two opposite side plates 106 respectively.

[0033] Embodiment 2

[0034] Referring to the accompanying drawings Figures 1-4 , Figure 7 and Figure 8 The utility model discloses a dewaxing furnace, including environmental protection combustor 1 and furnace body 2.

[0035] Furnace body 2 includes the top plate of setting at the top, and the top plate is provided with a plurality of exhaust ports 201, and the positions of the plurality of exhaust ports 201 correspond to the positions of the air inlets 105 of the environmental protection combustor 1, and a plurality of in-furnace heating devices are arranged on the inner wall of the furnace body 2.

[0036] The environmental protection combustor 1 includes an appliance main body, the inner cavity of the appliance main body is surrounded by a plurality of side plates 106, the top end of the appliance main body is provided with an air outlet, the bottom of the appliance main body is provided with an air inlet 105, the top of the appliance main body is provided with an air outlet plate 101, the effective working surface of the air outlet plate 101 is covered with a plurality of top plate air outlet holes, and the positions of the effective working surface of the air outlet plate 101 correspond to the positions of the air outlet provided at the top end of the appliance main body; the inner cavity of the appliance main body is divided into six longitudinal combustion chambers by five partition plates, wherein the partition plates include two first partition plates 102, two second partition plates 103 and one third partition plate 104, a plurality of third through holes are formed in the third partition plate 104, the plurality of third through holes cover the effective working surface of the third partition plate 104, the third partition plate 104 is arranged at the position closest to the air inlet 105, the first partition plate 102 and the second partition plate 103 are arranged in sequence and spaced apart along the longitudinal direction, a plurality of first through holes are formed in the first partition plate 102, a plurality of second through holes are formed in the second partition plate 103, and the positions of the first through holes and the second through holes do not correspond; the side end faces of all the partition plates are connected with the corresponding side plates 106 of the appliance main body respectively.

[0037] The heater 3 includes a first heater 31 and a second heater 32, and the first heater 31 and the second heater 32 are arranged in the adjacent two longitudinal combustion chambers in a spaced apart mode, and the directions of the first heater 31 and the second heater 32 are perpendicular; in the adjacent two longitudinal combustion chambers, six first heaters 31 are arranged in one layer, the six first heaters 31 are arranged in a two-row three-column mode, eight second heaters 32 are arranged in another layer, and the eight second heaters 32 are arranged in a two-row four-column mode.

[0038] Each heater 3 includes a plurality of heating wires 303, and the outer periphery of the heating wire 303 is sleeved with an insulating layer 302; the insulating layer 302 is ceramic, the outer periphery of the insulating wire is sleeved with a stainless steel shell 301, the shell 301 is used for isolating waste steam and the heating wire 303, preventing water in the waste steam from corroding or short-circuiting the heating wire 303, and the two ends of the heater 3 are connected with any two opposite side plates 106 respectively.

Claims

1. An environmentally friendly burner characterized by: The utility model provides an environmental protection combustor (1), which comprises an appliance body, an inner cavity of the appliance body is surrounded by a plurality of side plates (106), an air outlet is arranged at the top end of the appliance body, an air inlet (105) is arranged at the bottom of the appliance body, an air outlet plate (101) is arranged at the top of the appliance body, a plurality of top plate air outlet holes are formed in the effective working surface of the air outlet plate (101), and the position of the effective working surface of the air outlet plate (101) corresponds to the position of the air outlet arranged at the top end of the appliance body; a plurality of heaters (3) are arranged in the inner cavity of the appliance body.

2. The environmentally friendly burner of claim 1, wherein: The inner cavity of the appliance body is divided into a plurality of combustion chambers by a plurality of partition plates, a plurality of through holes are formed in each partition plate respectively, the side end surface of the partition plate is connected with the corresponding side plate (106) of the appliance body respectively, and a plurality of heaters (3) are arranged in each combustion chamber.

3. The environmentally friendly burner of claim 1, wherein: Each heater (3) comprises a plurality of heating wires (303), and the outer periphery of the heating wire (303) is sleeved with an outer shell (301).

4. The environmentally friendly burner of claim 3, wherein: A plurality of insulating layers (302) are arranged between the heating wire (303) and the outer shell (301).

5. The environmentally friendly burner according to any one of claims 1 to 4, wherein: The two ends of the heater (3) are connected with any two opposite side plates (106) respectively.

6. The environmentally friendly burner of claim 2, wherein: The heater (3) comprises a first heater (31) and a second heater (32), the first heater (31) and the second heater (32) are arranged in the adjacent two combustion chambers respectively, and the directions of the first heater (31) and the second heater (32) are perpendicular.

7. The environmentally friendly burner of claim 2, wherein: The partition plate comprises a plurality of first partition plates (102) and second partition plates (103), the first partition plates (102) and the second partition plates (103) are arranged in sequence and at intervals, a plurality of first through holes are formed in the first partition plate (102), a plurality of second through holes are formed in the second partition plate (103), and the positions of the first through holes and the second through holes do not correspond.

8. The environmentally friendly burner of claim 7, wherein: The partition plate further comprises a third partition plate (104), a plurality of third through holes are formed in the third partition plate (104), and the plurality of third through holes cover the effective working surface of the third partition plate (104).

9. The environmentally-friendly burner according to claim 1, wherein: The plurality of top plate air outlet holes cover the effective working surface of the air outlet plate (101).

10. A dewaxing furnace comprising an environmentally friendly burner (1) according to any one of claims 1 to 7, characterized in that: The utility model further comprises a furnace body (2), the furnace body (2) comprises a top plate arranged at the top, a plurality of exhaust ports (201) are arranged on the top plate, and the positions of the plurality of exhaust ports (201) correspond to the position of the air inlet (105) of the environmental protection combustor (1).

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