Household garbage incineration, deacidification and dust removal integrated device

Abstract

The utility model discloses a household garbage incineration deacidification dedusting integrated device, which comprises a desulfurizing tower and a deduster arranged at the lower part of the desulfurizing tower, the desulfurizing tower comprises a cylindrical desulfurizing part at the upper part and a conical ash bucket at the lower part, the top of the desulfurizing tower is provided with a flue gas inlet, and the bottom of the conical ash bucket is provided with an outlet. The dust remover comprises an inner barrel, an outer barrel and a dust collecting device, the inner barrel is sleeved with the outer barrel, the dust collecting device is arranged at the bottom of the outer barrel, the conical dust hopper is embedded in the outer barrel, the inner barrel is communicated with an outlet of the conical dust hopper, the inner barrel extends downwards to the middle of the dust collecting device, and a blowing mechanism is arranged in an annular space formed by the conical dust hopper and the outer barrel. A dedusting filter bag is arranged in an annular space formed by the inner cylinder and the outer cylinder, and an outlet flue is arranged at the upper end of the outer cylinder. After flue gas generated by incineration of household garbage passes through the deacidification and dust removal device, particulate matters such as acid gas and dust in the flue gas are removed, and the purpose of purifying the flue gas is achieved. The equipment is simple, and the deacidification and dust removal efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas purification equipment, especially relate to a domestic waste incineration deacidification and dust removal integrated device. BACKGROUND

[0002] With the development of China's economic society, the state pays more and more attention to the environment, and nitrogen oxide and sulfur dioxide are main emissions in industrial production tail gas and are extremely harmful to the environment. X The removal technology mainly includes dry method, wet method, adsorption method and high-energy plasma oxidation method.

[0003] Using dense-phase dry tower for flue gas deacidification has shown more and more obvious advantages.

[0004] The application of the combination of the dense-phase dry tower and the bag filter for flue gas deacidification treatment is becoming more and more popular.

[0005] The utility model discloses a kind of dense-phase circulating fluidized dry tower desulfurization devices, which are disclosed in Chinese patent ZL201020232657.8 "a kind of horizontal

[0006] Example, but the technical scheme has the deficiencies of large floor area and unreasonable flue gas flow field. UTILITY MODEL CONTENT

[0007] The utility model discloses a kind of domestic waste incineration deacidification and dust removal integrated devices to solve the floor area of existing deacidification and dust removal equipment, unreasonable flue gas flow field.

[0008] To achieve the above object, the utility model adopts the following technical scheme:

[0009] The utility model provides a kind of domestic waste incineration deacidification dedusting integrated device, including desulfurization tower and dust remover being arranged in the lower part of desulfurization tower, desulfurization tower includes the cylindrical desulfurization part of upper part and the conical ash bucket of lower part, the top of desulfurization tower is equipped with flue gas inlet, the bottom of conical ash bucket is equipped with outlet, dust remover includes inner tube, outer tube and dust collecting device, inner tube is sleeved in outer tube, dust collecting device is arranged in the bottom of outer tube, conical ash bucket is embedded in outer tube, and top plate is equipped between outer tube and conical ash bucket, the bottom outlet of inner tube and conical ash bucket is communicated, inner tube extends to the middle part of dust collecting device downwards, the annular space formed by conical ash bucket and outer tube and the annular space formed by inner tube and outer tube are communicated, and the annular space formed by conical ash bucket and outer tube is equipped with injection mechanism, the annular space formed by inner tube and outer tube is equipped with dust filter bag, the bottom of dust collecting device is equipped with ash valve, and the upper end of outer tube is equipped with outlet flue.

[0010] Further, the top flue gas inlet of the desulfurization tower is provided with a flue gas inlet pipe, the flue gas inlet pipe includes a horizontal part and a vertical part, the vertical part is arranged at one end of the horizontal part, the horizontal part is provided with a first guide plate, the vertical part is located in the cylindrical desulfurization part, and the vertical part is provided with a wind distribution plate, and a rotary atomizer is arranged below the vertical part.

[0011] Further, the injection mechanism includes a high-pressure air pipe and a nozzle, and the air pipe is fixed to the top plate.

[0012] Further, a plurality of second guide plates are arranged in the annular space between the inner tube and the dust collecting device.

[0013] Further, the dust collecting device is conical.

[0014] Compared with the prior art, the domestic waste incineration deacidification dedusting integrated device has the following advantages: the acidic gas (HCl, SO2) and particulate matter such as dust in the flue gas generated by incineration of domestic waste are removed after the flue gas passes through the deacidification dedusting device, so that the purpose of purifying the flue gas is achieved. The present application can meet the requirements of environmental protection standards, and the air inlet of the original flue gas is more uniform on the basis of simple equipment, which saves energy consumption while improving the deacidification and dedusting efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure of the utility model is shown in the figure.

[0016] In the figure: 1, flue gas inlet pipe; 2, first guide plate; 3, wind distribution plate; 4, rotary atomizer; 5, cylindrical desulfurization part; 6, conical ash bucket; 7, injection mechanism; 8, outlet flue; 9, dust filter bag; 10, outer tube; 11, inner tube; 12, second guide plate; 13, dust collecting device; 14, ash valve. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.

[0018] An integrated device for deacidification and dust removal in municipal solid waste incineration, such as Figure 1 As shown, it includes a desulfurization tower and a dust collector installed at the bottom of the desulfurization tower. The desulfurization tower includes a cylindrical desulfurization section 5 at the top and a conical ash hopper 6 at the bottom. The top of the desulfurization tower is provided with a flue gas inlet, and a flue gas inlet pipe 1 is provided at the flue gas inlet. The flue gas inlet pipe 1 includes a horizontal section and a vertical section. The vertical section is located at one end of the horizontal section and a first guide plate 2 is provided inside the horizontal section. The vertical section is located inside the cylindrical desulfurization section 5 and an air distribution plate 3 is provided inside the vertical section. A rotary atomizer 4 is provided below the vertical section. The conical ash hopper 6 has an outlet at its bottom. The dust collector includes an inner cylinder 11, an outer cylinder 10, and an ash collection device 13. The inner cylinder 11 is fitted inside the outer cylinder 10, and the ash collection device 13 is located at the bottom of the outer cylinder 10. The conical ash hopper 6 is embedded inside the outer cylinder 10, and a top plate (not shown in the figure) is provided between the outer cylinder 10 and the conical ash hopper 6. The bottom outlets of the inner cylinder 11 and the conical ash hopper 6 are connected. The inner cylinder 11 extends downward to the middle of the ash collection device 13. The annular space formed by the conical ash hopper 6 and the outer cylinder 10, as well as the annular space formed by the inner cylinder 11 and the outer cylinder 10, are connected. A jet cleaning mechanism 7 is provided in the annular space formed by the conical ash hopper 6 and the outer cylinder 10. A dust collection filter bag 9 is provided in the annular space formed by the inner cylinder 11 and the outer cylinder 10. An ash discharge valve 14 is provided at the bottom of the ash collection device 13, and an outlet flue 8 is provided at the upper end of the outer cylinder 10.

[0019] In this embodiment, the blowing mechanism 7 includes a high-pressure air pipe and a nozzle, with the high-pressure air pipe 7 fixed to the top plate.

[0020] In this embodiment, a plurality of second guide plates 12 are provided in the annular space between the inner cylinder 11 and the ash collection device 13.

[0021] In this embodiment, the ash collection device 13 is conical.

[0022] In this embodiment, there are two outlet flues 8, which are respectively arranged on both sides of the outer cylinder 10.

[0023] The high-temperature flue gas generated by waste incineration enters the desulfurization tower through the flue gas inlet pipe 1, the first guide plate 2, and the air distribution plate 3. The deacidifying agent sprayed from the rotary atomizer 4 deacidifies the flue gas. The deacidified flue gas enters the inner cylinder 11 through the conical ash hopper 6, passes through the second guide plate 12, passes through the dust removal filter bag 9 for dust removal, and is discharged from the outlet flue 8. The spraying mechanism 7 is used to spray gas onto the dust removal filter bag 9, causing the adhering substances on the surface of the dust removal filter bag 9 to fall off.

[0024] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A household garbage incineration deacidification and dust removal integrated device, characterized in that, The desulfurization tower comprises a cylindrical desulfurization part at the upper portion and a conical ash hopper at the lower portion, the top of the desulfurization tower is provided with a flue gas inlet, the bottom of the conical ash hopper is provided with an outlet, the dust remover comprises an inner cylinder, an outer cylinder and an ash collecting device, the inner cylinder is sleeved in the outer cylinder, the ash collecting device is arranged at the bottom of the outer cylinder, the conical ash hopper is embedded in the outer cylinder, a top plate is arranged between the outer cylinder and the conical ash hopper, the bottom outlet of the conical ash hopper is communicated with the inner cylinder, the inner cylinder extends downward to the middle portion of the ash collecting device, the annular space formed by the conical ash hopper and the outer cylinder is communicated with the annular space formed by the inner cylinder and the outer cylinder, the annular space formed by the conical ash hopper and the outer cylinder is provided with a blowing mechanism, the annular space formed by the inner cylinder and the outer cylinder is provided with dust removal filter bags, the bottom of the ash collecting device is provided with an ash discharging valve, and the upper end of the outer cylinder is provided with an outlet flue. The annular space between the inner cylinder and the ash collecting device is provided with a plurality of second guide plates.

2. The household garbage incineration, deacidification and dust removal integrated device according to claim 1, characterized in that, The blowing mechanism comprises a high-pressure air pipeline and a nozzle, and the high-pressure air pipeline is fixed on the top plate.

3. The household garbage incineration, deacidification and dust removal integrated device according to claim 1, characterized in that, The ash collecting device is conical.

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