Double-dry-method deacidification equipment for hazardous waste incineration flue gas

By setting up multiple filtering mechanisms, biological deacidation mechanisms and rapid refrigeration treatment cylinder structures in the double-dry deacidation equipment for incineration of flue gas by hazardous waste, it is solved that multiple filtration and biological deacidation are not convenient during use of the equipment. and the problem of rapid cooling and emission reduction have achieved efficient deacidification and rapid emission effects of flue gas.

CN119425303APending Publication Date: 2025-02-14山东省固体废物和危险化学品污染防治中心
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Patent Information

Application Number
CN202411727982.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-02-14

AI Technical Summary

Technical Problem

The existing double-dry deacidation equipment for incineration of flue gas for hazardous waste is not convenient for multiple filtration and deacidation, biological deacidation and rapid cooling and emissions during use.

Method used

A double-dry deacidation device including a multiple filtration mechanism, a biological deacidation mechanism and a rapid refrigeration treatment cylinder structure is designed. By setting up a multi-stage filtration purification cylinder structure, an adsorption purification treatment cylinder structure and a fast refrigeration treatment cylinder structure, multiple filtration, biopurification and rapid refrigeration emissions of flue gas are realized.

Benefits of technology

The equipment improves the deacidification efficiency of flue gas through multiple filtration and biological purification, and can conveniently carry out multiple filtration and deacidification work, and achieves rapid cooling and emission of gas through rapid refrigeration treatment cylinder, solving a series of problems during the use of the equipment. .

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Abstract

The invention provides double-dry-method deacidification equipment for hazardous waste incineration flue gas. The double-dry-method deacidification equipment comprises a supporting seat, a fixing plate, a connecting plate, a humidifying box, a fan, a multi-stage filtering and purifying cylinder structure, an adsorbable purifying treatment cylinder structure, a rapid refrigerating treatment cylinder structure, an output pipe structure capable of discharging in multiple directions and a connecting pipe. The arrangement of the filter cartridge, the sealing cover, the discharge cover, the conical filter frame, the central filter frame and the fixed filter frame is beneficial to the cooperation of the conical filter frame, the central filter frame and the fixed filter frame in the use process, so that the aim of conveniently carrying out multiple filtration treatment on flue gas in the deacidification process is fulfilled; according to the flue gas deacidification device, the adsorption purification barrel, the shielding cover, the connecting rod, the adsorption mesh, the hollowed-out plate, the gravel layer and the columnar adsorption layer are matched with one another, so that flue gas can be subjected to adsorption purification treatment through the gravel layer and the columnar adsorption layer in the flue gas deacidification process, and the effect of simulating the nature to perform flue gas adsorption treatment in the deacidification process is facilitated.
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Description

Technical Field

[0001] The invention belongs to the technical field of flue gas deacidification treatment equipment, and in particular relates to a double dry method deacidification equipment for hazardous waste incineration flue gas. Background Art

[0002] Hazardous waste generally refers to solid waste that is corrosive, reactive, toxic, flammable or infectious. The traditional hazardous waste rotary kiln incineration process will produce a large amount of acidic gases such as hydrogen chloride, sulfur dioxide and hydrogen fluoride. Usually, the flue gas deacidification system will adopt the "semi-dry method + wet method" and "dry method + wet method" technical routes. The high deacidification efficiency of wet deacidification makes it popular in the market, while dry deacidification is generally used to supplement and emergency measures for wet deacidification processes. By using quicklime or slaked lime as a deacidification agent, the existing double dry deacidification equipment for hazardous waste incineration flue gas is not convenient for multiple filtration and deacidification work during use, and it is not convenient to perform biological deacidification work during use, and it is not convenient to quickly cool down and discharge during use. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a double dry deacidification equipment for hazardous waste incineration flue gas, which facilitates multiple filtration deacidification work by arranging multiple filtration mechanisms during use, and imitates the natural air purification method to set a biological deacidification mechanism during use, and improves the refrigeration mechanism during use, so as to facilitate the rapid cooling and discharge of the gas.

[0004] A double dry deacidification device for hazardous waste incineration flue gas, comprising a support seat, wherein a fixing plate is bolted to the right bottom of the support seat; a connecting plate is bolted to the left bottom of the support seat; a humidifying box is bolted to the left upper end of the connecting plate; a fan is bolted to the middle upper end of the fixing plate, characterized in that a multi-stage filtering and purification cartridge structure is arranged on the right upper end of the support seat; an adsorbable purification treatment cartridge structure is connected to the middle upper end of the support seat; a rapid refrigeration treatment cartridge structure is fixed to the middle upper left end of the support seat; the The upper end of the rapid refrigeration treatment cartridge structure is provided with a multi-directional discharge output pipe structure; the upper ends of the multi-stage filtering and purification cartridge structure and the adsorption purification cartridge structure are respectively provided with connecting pipes; the multi-stage filtering and purification cartridge structure comprises a filter cartridge, and a sealing cover is bolted to the upper end of the filter cartridge; a discharge cover is provided at the rear end of a discharge port opened at the bottom of the rear surface of the filter cartridge; a conical filter frame is bolted to the middle position of the lower part of the inner wall of the filter cartridge; a central filter frame is bolted to the bottom end of the sealing cover; a fixed filter frame is provided at the middle position inside the upper end of the central filter frame.

[0005] Preferably, the adsorbable purification treatment cylinder structure includes an adsorption purification cylinder, a shielding cover is bolted to the upper end of the adsorption purification cylinder; connecting rods are bolted to the left and right sides of the bottom end of the shielding cover; an adsorption mesh is sleeved on the upper part of the outer wall of the connecting rod; the connecting rods respectively pass through the middle position of the left and right ends of the hollow plate and are bolted; a sand and gravel layer is arranged between the hollow plates arranged at the bottom; and a columnar adsorption layer is arranged between the hollow plates arranged at the upper part.

[0006] Preferably, the rapid refrigeration treatment cylinder structure includes a refrigeration cylinder, the upper end of which is bolted with a connecting cover; a filling pipe is passed through the upper part of the rear surface of the refrigeration cylinder; the bottom end of the filling pipe is threadedly connected to the middle position behind the upper end of the diverter plate; a collecting plate is bolted to the lower part of the inner wall of the refrigeration cylinder; refrigeration pipes are threadedly arranged in sequence between the diverter plate and the collecting plate and are connected through the refrigeration pipes; a circulation pipe is passed through the lower part of the rear surface of the refrigeration cylinder.

[0007] Preferably, the multi-directional discharge output pipe structure includes an output pipe, the upper left portion of which is threadedly connected to a steering pipe; a first valve is threadedly inserted in the middle position of the front surface of the output pipe; and a second valve is threadedly inserted in the middle position of the front surface of the steering pipe.

[0008] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the arrangement of the filter cartridge, sealing cover, discharge cover, conical filter frame, central filter frame and fixed filter frame is conducive to the coordination of the conical filter frame, the central filter frame and the fixed filter frame during use, thereby facilitating multiple filtration treatments of flue gas during the deacidification process.

[0009] In the present invention, the adsorption purification cylinder, shielding cover, connecting rod, adsorption mesh, hollow plate, gravel layer and columnar adsorption layer are arranged in coordination with each other, which is beneficial to the adsorption and purification treatment of flue gas through the gravel layer and the columnar adsorption layer during the flue gas deacidification process, and is convenient for imitating the effect of flue gas adsorption treatment in nature during the deacidification process.

[0010] In the present invention, the refrigeration cylinder, connecting cover, filling pipe, diverter plate, collecting plate, refrigeration pipe and circulation pipe are arranged in coordination with each other, which is beneficial for the treated gas to pass through the interior of the refrigeration cylinder during use, and then connect to the external water supply circulation equipment through the filling pipe and the circulation pipe, so as to facilitate the purpose of rapid refrigeration during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present invention.

[0012] Figure 2It is a structural schematic diagram of the multi-stage filtering and purification cartridge structure of the present invention.

[0013] Figure 3 It is a structural schematic diagram of the adsorbable purification treatment cartridge structure of the present invention.

[0014] Figure 4 It is a structural schematic diagram of the rapid refrigeration treatment cylinder structure of the present invention.

[0015] Figure 5 It is a structural schematic diagram of the multi-directional discharge output pipe structure of the present invention.

[0016] Figure 6 It is a cross-sectional view of the multi-stage filtering and purification cartridge structure of the present invention.

[0017] Figure 7 It is a cross-sectional view of the adsorbable purification treatment cartridge structure of the present invention.

[0018] Figure 8 It is a cross-sectional view of the structure of the rapid refrigeration treatment cylinder of the present invention.

[0019] In the figure: 1. Support seat; 2. Fixed plate; 3. Connecting plate; 4. Humidifier box; 5. Fan; 6. Multi-stage filtering and purification cartridge structure; 61. Filter cartridge; 62. Sealing cover; 63. Discharge cover; 64. Conical filter frame; 65. Central filter frame; 66. Fixed filter frame; 7. Adsorption and purification cartridge structure; 71. Adsorption and purification cartridge; 72. Shielding cover; 73. Connecting rod; 74. Adsorption mesh; 75. Hollow plate; 76. Sand and gravel layer; 77. Columnar adsorption layer; 8. Rapid refrigeration cartridge structure; 81. Refrigeration cartridge; 82. Connecting cover; 83. Filling pipe; 84. Diverter plate; 85. Collecting plate; 86. Refrigeration pipe; 87. Circulation pipe; 9. Multi-directional discharge output pipe structure; 91. Output pipe; 92. Steering pipe; 93. First valve; 94. Second valve; 10. Connecting pipe. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2As shown, a double dry deacidification device for hazardous waste incineration flue gas includes a support base 1, a fixed plate 2, a connecting plate 3, a humidifying box 4, a fan 5, a multi-stage filtering and purifying cartridge structure 6, an adsorbing and purifying cartridge structure 7, a rapid refrigeration cartridge structure 8, a multi-directional discharge output pipe structure 9 and a connecting pipe 10. The right bottom of the support base 1 is bolted with a fixed plate 2; the left bottom of the support base 1 is bolted with a connecting plate 3; the upper left side of the connecting plate 3 is bolted with a humidifying box 4; the middle position of the upper end of the fixed plate 2 is bolted with a fan 5; the right side of the upper end of the support base 1 is provided with a multi-stage filtering and purifying cartridge structure 6; the middle position of the upper end of the support base 1 is connected with an adsorbing and purifying cartridge structure 7; the middle position of the upper left end of the support base 1 is fixed with a rapid refrigeration cartridge structure 8; the upper end of the rapid refrigeration cartridge structure 8 is provided with a multi-directional discharge output pipe structure 9; the upper ends of the multi-stage filtering and purifying cartridge structure 6 and the adsorbing and purifying cartridge structure 7 are respectively provided with connecting pipes 10; The multi-stage filtering and purification cartridge structure 6 comprises a filter cartridge 61, a sealing cover 62, a discharge cover 63, a conical filter frame 64, a central filter frame 65 and a fixed filter frame 66, wherein the upper end of the filter cartridge 61 is bolted with a sealing cover 62; the rear end of the discharge port opened at the bottom of the rear surface of the filter cartridge 61 is provided with a discharge cover 63; the middle position of the lower part of the inner wall of the filter cartridge 61 is bolted with a conical filter frame 64; the bottom end of the sealing cover 62 is bolted with a central filter frame 65; the middle position of the upper end of the central filter frame 65 is provided with a fixed filter frame 66; when in use, the support seat 1 is fixed in a suitable position, and an external wire is used to connect an external power supply and an external control device, and then an external pipeline is used to connect the device, and the fan 5 is controlled to start working. The power generated by the fan 5 when working is used to transport the flue gas to be processed to the inside of the filter cartridge 61, and then after the cone filter frame 64, the central filter frame 65 and the fixed filter frame 66 cooperate, multiple filtering of the flue gas is realized.

[0021] In this embodiment, combined with the Figure 3As shown, the adsorbable purification treatment cylinder structure 7 includes an adsorption purification cylinder 71, a shielding cover 72, a connecting rod 73, an adsorption mesh 74, a hollow plate 75, a sandstone layer 76 and a columnar adsorption layer 77. The upper end of the adsorption purification cylinder 71 is bolted with a shielding cover 72; the left and right sides of the bottom end of the shielding cover 72 are bolted with connecting rods 73; the upper part of the outer wall of the connecting rod 73 is sleeved with an adsorption mesh 74; the connecting rod 73 passes through the middle position of the left and right ends of the hollow plate 75 and Bolts are used for fixing; a gravel layer 76 is provided between the hollow plates 75 provided at the bottom; a columnar adsorption layer 77 is provided between the hollow plates 75 provided at the top; and then the filtered flue gas is transported to the interior of the adsorption purification cylinder 71 after being matched with the connecting pipe 10, so that the flue gas floats upward at the bottom end of the adsorption purification cylinder 71, and passes through the gravel layer 76 and the columnar adsorption layer 77 for adsorption and filtration during the movement, and then passes through the adsorption mesh 74 for adsorption and purification treatment, thereby improving the deacidification effect of the flue gas.

[0022] In this embodiment, combined with the Figure 4 As shown, the rapid refrigeration treatment cylinder structure 8 comprises a refrigeration cylinder 81, a connecting cover 82, a filling pipe 83, a diverter plate 84, a collecting plate 85, a refrigeration pipe 86 and a circulation pipe 87, the upper end of the refrigeration cylinder 81 is bolted with a connecting cover 82; the upper rear surface of the refrigeration cylinder 81 is penetrated by a filling pipe 83; the bottom end of the filling pipe 83 is threadedly connected to the middle position behind the upper end of the diverter plate 84; the lower inner wall of the refrigeration cylinder 81 is bolted with a collecting plate 85; the diverter plate 84 and the collecting plate 85 are threadedly arranged with a refrigeration pipe 86 in sequence and connected through the refrigeration pipe 86; the lower rear surface of the refrigeration cylinder 81 is penetrated by a circulation pipe 87; after the flue gas deacidification treatment, the flue gas is transported to the interior of the refrigeration cylinder 81 through the connecting pipe 10, and in the process of the flue gas passing through the interior of the refrigeration cylinder 81, water is transported to the interior of the diverter plate 84 through an external water supply device, and then the water enters the interior of the collecting plate 85 through the refrigeration pipe 86, so as to achieve the purpose of rapid refrigeration of the gas.

[0023] In this embodiment, combined with the Figure 5As shown, the multi-directional discharge output pipe structure 9 includes an output pipe 91, a steering pipe 92, a first valve 93 and a second valve 94. The upper left portion of the output pipe 91 is threadedly connected to the steering pipe 92; the first valve 93 is threadedly inserted in the middle position of the front surface of the output pipe 91; the second valve 94 is threadedly inserted in the middle position of the front surface of the steering pipe 92; then the treated refrigerated gas is discharged through the output pipe 91, and an appropriate amount of clean water is added to the inside of the humidifying box 4 to purify the gas again. If necessary, after respectively controlling the opening and closing of the first valve 93 and the second valve 94, the output pipe 91 and the steering pipe 92 cooperate to achieve the purpose of multi-directional exhaust, thereby completing the deacidification work.

[0024] In this embodiment, specifically, the support base 1 adopts an inverted U-shaped stainless steel frame; the air inlet pipe of the fan 5 is connected to the smoke conveying pipe.

[0025] In this embodiment, specifically, the upper end of the fixed filter frame 66 is bolted to the bottom end of the sealing cover 62; a sealing ring is provided at the connection between the filter cartridge 61 and the sealing cover 62; and the filter cartridge 61 and the discharge cover 63 are bolted.

[0026] In this embodiment, specifically, the bottom end bolt of the filter cartridge 61 is fixed at the middle position of the upper right side of the support seat 1; the fan 5 pipeline is connected to the middle position of the right bottom of the filter cartridge 61 and is connected; the upper end bolt of the connecting pipe 10 arranged on the right side is fixed at the middle position of the upper end of the sealing cover 62 and is connected to the filter cartridge 61.

[0027] In this embodiment, specifically, a sealing ring is provided at the connection between the adsorption purification cylinder 71 and the shielding cover 72; the hollow plate 75 is seamlessly slidably inserted into the interior of the adsorption purification cylinder 71 and a plurality of the hollow plates 75 are provided.

[0028] In the present embodiment, specifically, the bottom end bolt of the adsorption purification cylinder 71 is fixed at the middle position of the upper end of the support seat 1; the bottom end bolt of the connecting pipe 10 arranged on the right side is fixed at the middle position of the bottom of the front surface of the adsorption purification cylinder 71; the upper end bolt of the connecting pipe 10 arranged on the left side is fixed at the middle position inside the upper end of the shielding cover 72 and is connected to the adsorption purification cylinder 71.

[0029] In this embodiment, specifically, a sealing ring is provided at the connection between the refrigeration cylinder 81 , the filling pipe 83 and the circulation pipe 87 ; the upper end of the circulation pipe 87 is threadedly connected to the middle position behind the bottom end of the collection tray 85 .

[0030] In this embodiment, specifically, the bottom end bolt of the refrigeration cylinder 81 is fixed to the middle position on the left side of the upper end of the support seat 1; the bottom bolt of the connecting pipe 10 arranged on the left side is fixed to the middle position of the lower part of the front surface of the refrigeration cylinder 81 and is connected.

[0031] In this embodiment, specifically, the output pipe 91 is an inverted L-shaped stainless steel pipe and is connected to the steering pipe 92 ; the steering pipe 92 is arranged above the first valve 93 .

[0032] In this embodiment, specifically, the lower end of the output pipe 91 is inserted into the middle position inside the humidifier box 4; the upper end of the output pipe 91 is bolted to the middle position inside the upper end of the connecting cover 82 and is connected to the refrigeration cylinder 81. How it works

[0033] In the present invention, when in use, the support seat 1 is fixed in a suitable position, and an external wire is used to connect the external power supply and the external control device, and then the external pipeline is used to connect the device, and the fan 5 is controlled to start working. The power generated by the fan 5 when working is used to transport the smoke to be treated to the inside of the filter cartridge 61, and then after the conical filter frame 64, the central filter frame 65 and the fixed filter frame 66 are matched, the multiple filtering of the smoke is realized, and then after the connection pipe 10 is matched, the filtered smoke is transported to the inside of the adsorption purification cartridge 71, so that the smoke floats upward at the bottom of the adsorption purification cartridge 71, and passes through the sand and gravel layer 76 and the columnar adsorption layer 77 during the movement for adsorption and filtration, and then passes through The adsorption mesh 74 performs adsorption purification treatment to improve the flue gas deacidification effect. After the flue gas deacidification treatment, the flue gas is transported to the inside of the refrigeration cylinder 81 through the connecting pipe 10, and in the process of the flue gas passing through the inside of the refrigeration cylinder 81, water is transported to the inside of the diverter plate 84 through the external water supply equipment, and then the water enters the inside of the collection plate 85 through the refrigeration pipe 86 to achieve the purpose of rapid gas refrigeration, and then the treated refrigerated gas is discharged through the output pipe 91, and an appropriate amount of clean water is added to the inside of the humidification box 4 to purify the gas again. If necessary, after respectively controlling the opening and closing of the first valve 93 and the second valve 94, the output pipe 91 and the steering pipe 92 cooperate to achieve the purpose of multi-directional exhaust, thereby completing the deacidification work.

[0034] Utilizing the technical solution described in the present invention, or those skilled in the art designing a similar technical solution inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A double dry deacidification device for hazardous waste incineration flue gas, comprising a support base (1), wherein a fixing plate (2) is fixed to the right bottom of the support base (1) by bolts; a connecting plate (3) is fixed to the left bottom of the support base (1) by bolts; a humidifying box (4) is fixed to the left upper end of the connecting plate (3) by bolts; a fan (5) is fixed to the middle position of the upper end of the fixing plate (2); and the characteristics are as follows: In the double dry deacidification device for hazardous waste incineration flue gas, a multi-stage filtering and purifying cartridge structure (6) is arranged on the right side of the upper end of the support seat (1); an adsorbing and purifying cartridge structure (7) is connected to the middle position of the upper end of the support seat (1); a rapid cooling and refrigerating cartridge structure (8) is fixed to the middle position of the upper left end of the support seat (1); a multi-directional discharge output pipe structure (9) is arranged on the upper end of the rapid cooling and refrigerating cartridge structure (8); and the upper ends of the multi-stage filtering and purifying cartridge structure (6) and the adsorbing and purifying cartridge structure (7) are respectively arranged The multi-stage filtering and purification cartridge structure (6) comprises a filter cartridge (61), the upper end of the filter cartridge (61) being fixed with a sealing cover (62) by bolts; a discharge cover (63) is provided at the rear end of a discharge port provided at the bottom of the rear surface of the filter cartridge (61); a conical filter frame (64) is fixed with bolts at the middle position of the lower part of the inner wall of the filter cartridge (61); a central filter frame (65) is fixed with bolts at the bottom end of the sealing cover (62); and a fixed filter frame (66) is provided at the middle position of the upper end of the central filter frame (65).

2. The double dry deacidification equipment for hazardous waste incineration flue gas according to claim 1, characterized in that: The adsorbable purification treatment cylinder structure (7) comprises an adsorption purification cylinder (71), the upper end of the adsorption purification cylinder (71) is bolted with a shielding cover (72); the left and right sides of the bottom end of the shielding cover (72) are respectively bolted with connecting rods (73); the upper part of the outer wall of the connecting rod (73) is sleeved with an adsorption mesh (74); the connecting rod (73) passes through the middle position of the left and right ends of the hollow plate (75) and is bolted; a sandstone layer (76) is arranged between the hollow plates (75) arranged at the bottom; and a columnar adsorption layer (77) is arranged between the hollow plates (75) arranged at the top.

3. The double dry deacidification equipment for hazardous waste incineration flue gas according to claim 1, characterized in that: The rapid refrigeration treatment cylinder structure (8) comprises a refrigeration cylinder (81), the upper end of which is bolted with a connection cover (82); a filling pipe (83) is passed through the upper part of the rear surface of the refrigeration cylinder (81); the bottom end of the filling pipe (83) is threadedly connected to the middle position behind the upper end of the diverter plate (84); a collecting plate (85) is bolted to the lower part of the inner wall of the refrigeration cylinder (81); refrigeration pipes (86) are threadedly arranged between the diverter plate (84) and the collecting plate (85) in sequence and are connected through the refrigeration pipes (86); a circulation pipe (87) is passed through the lower part of the rear surface of the refrigeration cylinder (81).

4. The double dry deacidification equipment for hazardous waste incineration flue gas according to claim 1, characterized in that: The multi-directional discharge output pipe structure (9) comprises an output pipe (91), the upper left portion of the output pipe (91) being threadedly connected to a steering pipe (92); a first valve (93) being threadedly plugged into a middle position of a front surface of the output pipe (91); and a second valve (94) being threadedly plugged into a middle position of a front surface of the steering pipe (92).

5. The double dry deacidification equipment for hazardous waste incineration flue gas according to claim 1, characterized in that: The bottom end of the filter cartridge (61) is bolted to the middle position of the upper right side of the support seat (1); the fan (5) pipeline is connected to the middle position of the bottom right side of the filter cartridge (61) and is connected thereto; the top end of the connecting pipe (10) arranged on the right side is bolted to the middle position of the upper end of the sealing cover (62) and is connected thereto.

6. The double dry deacidification equipment for hazardous waste incineration flue gas according to claim 2, characterized in that: The bottom end bolt of the adsorption purification cylinder (71) is fixed to the middle position of the upper end of the support seat (1); the bottom end bolt of the connecting pipe (10) arranged on the right side is fixed to the middle position of the bottom of the front surface of the adsorption purification cylinder (71); the top end bolt of the connecting pipe (10) arranged on the left side is fixed to the middle position of the upper end of the shielding cover (72) and is connected to the adsorption purification cylinder (71).

7. The double dry deacidification equipment for hazardous waste incineration flue gas as claimed in claim 3, characterized in that: The bottom end of the refrigeration cylinder (81) is bolted to the middle position on the left side of the upper end of the support seat (1).

8. The double dry deacidification equipment for hazardous waste incineration flue gas as claimed in claim 4, characterized in that: The lower end of the output pipe (91) is plugged into the middle position inside the humidification box (4).