Industrial tail gas treatment device

Abstract

The utility model belongs to the technical field of industrial tail gas treatment, and particularly relates to an industrial tail gas treatment device which comprises supporting legs, an inorganic waste gas treatment structure arranged on the tops of the supporting legs, an inorganic waste gas emission structure arranged on the right side of the inorganic waste gas treatment structure, and an organic waste gas treatment structure arranged on the front face of the inorganic waste gas treatment structure. The inorganic waste gas treatment structure comprises an acid pickling tower, an acid adding assembly is installed at the top of the acid pickling tower, a first spraying pipe is installed at the bottom of the acid adding assembly, one end, away from the acid pickling tower, of a first connecting pipe is connected with a first alkaline washing tower, and a first alkaline adding assembly is installed at the top of the first alkaline washing tower; a second spraying pipe is installed in the middle of the bottom face of the first alkali adding assembly, and the end, away from the first alkali washing tower, of the second connecting pipe is connected with a first demisting tower. According to the industrial tail gas treatment device, organic waste gas and inorganic waste gas are treated separately, the respective removal rates are increased, and finally tail gas is collected and discharged in the exhaust funnel.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial tail gas treatment, in particular to a device for industrial tail gas treatment. Background Art

[0002] For industrial tail gas containing inorganic and organic mixed components, a combined process is usually used to treat them in sequence and finally meet the emission standards. However, this process may have the problem of diluting high-concentration components (high-concentration components may be organic or inorganic), resulting in low removal rate. Usually, when the tail gas concentration is high, the tail gas treatment device has a higher removal rate, the device operates more efficiently, and the emission concentration is lower. Therefore, it is necessary to design a more reasonable treatment process for industrial tail gas with inorganic and organic mixed components. Utility Model Content

[0003] The purpose of the utility model is to provide an industrial tail gas treatment device to solve the problem that the tail gas treatment in the prior art mentioned in the background technology dilutes the high-concentration components (the high-concentration components may be organic or inorganic) and leads to low removal rate. Usually, when the tail gas concentration is high, the tail gas treatment device has a higher removal rate, the device operates more efficiently, and the emission concentration is lower.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for industrial exhaust gas treatment, comprising a supporting leg, an inorganic waste gas treatment structure is arranged on the top of the supporting leg, an inorganic waste gas emission structure is arranged on the right side of the inorganic waste gas treatment structure, an organic waste gas treatment structure is arranged on the front of the inorganic waste gas treatment structure, and an organic waste gas emission structure is connected to the right side of the organic waste gas treatment structure.

[0005] The inorganic waste gas treatment structure includes a pickling tower, an inorganic waste gas inlet pipe is installed at the bottom middle of the left side of the pickling tower, an acid adding component is installed at the top of the pickling tower, a spray pipe 1 is installed at the bottom of the acid adding component, a connecting pipe 1 is connected to the top of the right side of the pickling tower, and an end of the connecting pipe 1 away from the pickling tower is connected to an alkali washing tower 1, an alkali adding component 1 is installed on the top of the alkali washing tower 1, a spray pipe 2 is installed in the middle of the bottom surface of the alkali adding component 1, a connecting pipe 2 is installed at the top middle of the right side of the alkali washing tower 1, and an end of the connecting pipe 2 away from the alkali washing tower 1 is connected to a defog tower 1.

[0006] Preferably, the spray pipe 1 is installed at the top of the inside of the acid washing tower, the spray pipe 2 is installed at the top of the inside of the alkali washing tower 1, the end of the connecting pipe 1 away from the acid washing tower is connected to the middle of the left side of the alkali washing tower 1 near the bottom, and the end of the connecting pipe 2 away from the alkali washing tower 1 is connected to the middle of the left side of the demisting tower 1 near the bottom. Support legs are installed at the bottom of the acid washing tower, the alkali washing tower 1, and the demisting tower 1.

[0007] Preferably, the inorganic waste gas emission structure includes a connecting pipe three, the right end of the connecting pipe three is connected to an activated carbon box, the right side of the activated carbon box is connected to a connecting pipe four, the end of the connecting pipe four away from the activated carbon box is connected to a fan one, and the right end of the fan one is connected to an exhaust pipe.

[0008] Preferably, the end of the connecting pipe 3 away from the activated carbon box is connected to the middle of the right side of the demisting tower 1 near the top, and the activated carbon box is filled with activated carbon adsorbent. The exhaust pipe is connected to the output end of the fan 2.

[0009] Preferably, the organic waste gas treatment structure includes an alkali washing tower 2, an organic waste gas inlet pipe is installed near the bottom in the middle of the left side of the alkali washing tower 2, an alkali adding component 2 is installed on the top of the alkali washing tower 2, a spray pipe 3 is installed in the middle of the bottom surface of the alkali adding component 2, an air guide pipe 1 is installed near the top in the middle of the right side of the alkali washing tower 2, the end of the air guide pipe 1 away from the alkali washing tower 2 is connected to a water washing tower, a water pump is installed on the top surface of the water washing tower, a spray pipe 4 is installed in the middle of the bottom surface of the water pump, an air guide pipe 2 is installed near the top on the right side of the water washing tower, and the end of the air guide pipe 2 away from the water washing tower is connected to a defogger tower 2.

[0010] Preferably, the spray pipe 3 is installed at the top of the inside of the alkali washing tower 2, the spray pipe 4 is installed at the top of the inside of the water washing tower, the end of the air guide pipe 1 away from the alkali washing tower 2 is connected to the middle of the left side of the water washing tower near the bottom, and the end of the air guide pipe 2 away from the water washing tower is connected to the middle of the left side of the demisting tower 2 near the bottom. Support legs are installed at the bottom of the alkali washing tower 2, the water washing tower, and the demisting tower 2.

[0011] Preferably, the organic waste gas emission structure includes an air guide pipe 3, the right end of the air guide pipe 3 is connected to a dry filter, an air guide pipe 5 is installed in the middle of the right side of the dry filter, the air guide pipe 5 is connected to an installation box at one end away from the dry filter, a zeolite wheel is installed inside the installation box, an air guide pipe 6 is connected to the middle of the right side of the installation box near the bottom, and the air guide pipe 6 is connected to the fan 2 at one end away from the installation box. The end of the air guide pipe 3 away from the dry filter is connected to the middle of the right side of the demister tower 2 near the top.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The industrial tail gas treatment device improves the removal rate of each by treating the organic and inorganic waste gases separately, and finally the tail gas is discharged in the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the inorganic waste gas treatment structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the organic waste gas treatment structure of the utility model.

[0018] In the figure: 1, support leg; 101, pickling tower; 102, inorganic waste gas inlet pipe; 103, acid adding component; 104, spray pipe 1; 105, connecting pipe 1; 106, alkali washing tower 1; 107, alkali adding component 1; 108, spray pipe 2; 109, connecting pipe 2; 110, demisting tower 1; 201, connecting pipe 3; 202, activated carbon box; 203, connecting pipe 4; 204, fan 1; 205, exhaust pipe; 301, Alkali washing tower two; 302, organic waste gas inlet pipe; 303, alkali adding component two; 304, spray pipe three; 305, air duct one; 306, water washing tower; 307, water pump; 308, spray pipe four; 309, air duct two; 310, defog tower two; 401, air duct three; 402, dry filter; 403, air duct five; 404, installation box; 405, zeolite wheel; 406, air duct six; 407, fan two. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0021] Embodiment 1:

[0022] An industrial exhaust gas treatment device comprises a support leg 1, an inorganic waste gas treatment structure is arranged on the top of the support leg 1, an inorganic waste gas emission structure is arranged on the right side of the inorganic waste gas treatment structure, an organic waste gas treatment structure is arranged in front of the inorganic waste gas treatment structure, and an organic waste gas emission structure is connected to the right side of the organic waste gas treatment structure.

[0023] The inorganic waste gas treatment structure includes a pickling tower 101, an inorganic waste gas inlet pipe 102 is installed at the bottom middle of the left side of the pickling tower 101, an acid adding component 103 is installed on the top of the pickling tower 101, a spray pipe 104 is installed at the bottom of the acid adding component 103, a connecting pipe 105 is connected to the top of the right side of the pickling tower 101, and the end of the connecting pipe 105 away from the pickling tower 101 is connected to an alkali washing tower 106, an alkali adding component 107 is installed on the top of the alkali washing tower 106, and a spray pipe 2 108 is installed in the middle of the bottom surface of the alkali adding component 107, a connecting pipe 2 109 is installed at the top middle of the right side of the alkali washing tower 106, and the end of the connecting pipe 2 109 away from the alkali washing tower 106 is connected to a defog tower 110. Spray pipe 104 is installed at the top of the acid washing tower 101, spray pipe 2 108 is installed at the top of the alkali washing tower 106, connecting pipe 105 is connected to the middle of the left side of alkali washing tower 106 near the bottom at one end away from the acid washing tower 101, and connecting pipe 2 109 is connected to the middle of the left side of defog tower 110 near the bottom at one end away from the alkali washing tower 106.

[0024] The inorganic waste gas emission structure includes a connecting pipe 3 201, the right end of the connecting pipe 3 201 is connected to an activated carbon box 202, the right side of the activated carbon box 202 is connected to a connecting pipe 4 203, the end of the connecting pipe 4 203 away from the activated carbon box 202 is connected to a fan 1 204, and the right end of the fan 1 204 is connected to an exhaust pipe 205. The end of the connecting pipe 3 201 away from the activated carbon box 202 is connected to the middle of the right side of the defog tower 110 near the top, and the activated carbon box 202 is filled with activated carbon adsorbent.

[0025] The inorganic waste gas is treated by the acid washing tower 101 to remove ammonia and other components, with a treatment efficiency of ≥80%; then it is treated by the alkali washing tower 106 to remove ammonia and other components, with a treatment efficiency of ≥80%; then it is dehumidified by the demisting tower 110, and after part of the organic gas is removed by the activated carbon box 202, the inorganic component treatment meets the standard, with a treatment efficiency of 97%, and ammonia ≤30mg / m 3 Then it is connected to the exhaust pipe 205 through the fan 204.

[0026] Embodiment 2:

[0027] On the basis of Example 1, the organic waste gas treatment structure includes an alkali washing tower 301, an organic waste gas inlet pipe 302 is installed near the bottom of the middle left side of the alkali washing tower 301, an alkali adding component 2 303 is installed on the top of the alkali washing tower 301, and a spray pipe 3 304 is installed in the middle of the bottom surface of the alkali adding component 2 303, an air guide pipe 1 305 is installed near the top of the middle right side of the alkali washing tower 301, and the air guide pipe 1 305 is connected to a water washing tower 306 at one end away from the alkali washing tower 301, a water pump 307 is installed on the top surface of the water washing tower 306, and a spray pipe 4 308 is installed in the middle of the bottom surface of the water pump 307, an air guide pipe 2 309 is installed near the top of the right side of the water washing tower 306, and the air guide pipe 2 309 is connected to a defog tower 310 at one end away from the water washing tower 306. Spray pipe three 304 is installed at the top of the inside of alkali washing tower two 301, spray pipe four 308 is installed at the top of the inside of water washing tower 306, air guide pipe one 305 is connected to the middle of the left side of water washing tower 306 near the bottom at one end away from alkali washing tower two 301, and air guide pipe two 309 is connected to the middle of the left side of defog tower two 310 near the bottom at one end away from water washing tower 306.

[0028] The organic waste gas emission structure includes an air guide pipe three 401, the right end of the air guide pipe three 401 is connected to a dry filter 402, an air guide pipe five 403 is installed in the middle of the right side of the dry filter 402, the air guide pipe five 403 is connected to an installation box 404 at one end away from the dry filter 402, a zeolite wheel 405 is installed inside the installation box 404, an air guide pipe six 406 is connected to the middle of the right side of the installation box 404 near the bottom, and the air guide pipe six 406 is connected to a fan two 407 at one end away from the installation box 404.

[0029] The organic waste gas passes through the alkali washing tower 2 301 to remove ammonia and other components, with a treatment efficiency of ≥80%; then passes through the water washing tower 306 to remove some water-soluble gases, with a treatment efficiency of ≥80%; and then passes through the demisting tower 2 310 for dehumidification. The inorganic component treatment meets the standard, with a treatment efficiency of 97%, and ammonia ≤30mg / m 3 Then the dust and impurities are removed by the dry filter 402, and then the zeolite wheel 405 adsorbs the wastewater to meet the emission standards. The treatment efficiency is 95%, and NMHC ≤ 100 mg / m 3 .

[0030] The device includes tail gas inlet and outlet pipelines, public medium inlet and outlet pipelines, inlet and outlet valves, etc.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A device for treating industrial tail gas, comprising a support leg (1), characterized in that: The top of the support leg (1) is provided with an inorganic waste gas treatment structure, the right side of the inorganic waste gas treatment structure is provided with an inorganic waste gas discharge structure, the front of the inorganic waste gas treatment structure is provided with an organic waste gas treatment structure, and the right side of the organic waste gas treatment structure is connected to an organic waste gas discharge structure; The inorganic waste gas treatment structure comprises a pickling tower (101), an inorganic waste gas inlet pipe (102) is installed at the bottom of the middle part of the left side of the pickling tower (101), an acid adding component (103) is installed at the top of the pickling tower (101), a spray pipe 1 (104) is installed at the bottom of the acid adding component (103), and a connecting pipe 1 (105) is connected to the top of the right side of the pickling tower (101), and the connecting pipe 1 (105) is away from the One end of the acid washing tower (101) is connected to an alkali washing tower (106), an alkali adding component (107) is installed on the top of the alkali washing tower (106), a spray pipe (108) is installed in the middle of the bottom surface of the alkali adding component (107), a connecting pipe (109) is installed at the top of the middle right side of the alkali washing tower (106), and the end of the connecting pipe (109) away from the alkali washing tower (106) is connected to a defogger tower (110).

2. The device for treating industrial tail gas according to claim 1, characterized in that: The spray pipe one (104) is installed at the top of the inside of the acid washing tower (101), the spray pipe two (108) is installed at the top of the inside of the alkali washing tower one (106), the connecting pipe one (105) is connected to the middle of the left side of the alkali washing tower one (106) near the bottom at one end away from the acid washing tower (101), and the connecting pipe two (109) is connected to the middle of the left side of the defogger tower one (110) near the bottom at one end away from the alkali washing tower one (106).

3. The device for treating industrial tail gas according to claim 1, characterized in that: The inorganic waste gas emission structure includes a connecting pipe three (201), the right end of the connecting pipe three (201) is connected to an activated carbon box (202), the right side of the activated carbon box (202) is connected to a connecting pipe four (203), the end of the connecting pipe four (203) away from the activated carbon box (202) is connected to a fan one (204), and the right end of the fan one (204) is connected to an exhaust pipe (205).

4. The device for treating industrial tail gas according to claim 3, characterized in that: The end of the connecting pipe three (201) away from the activated carbon box (202) is connected to the middle of the right side of the defogger tower one (110) near the top, and the activated carbon box (202) is filled with activated carbon adsorbent.

5. The device for treating industrial tail gas according to claim 1, characterized in that: The organic waste gas treatment structure comprises an alkali washing tower 2 (301), an organic waste gas inlet pipe (302) is installed near the bottom end in the middle of the left side of the alkali washing tower 2 (301), an alkali adding component 2 (303) is installed on the top of the alkali washing tower 2 (301), a spray pipe 3 (304) is installed in the middle of the bottom surface of the alkali adding component 2 (303), an air guide pipe 1 (305) is installed near the top end in the middle of the right side of the alkali washing tower 2 (301), and An air guide pipe 1 (305) is connected to a water washing tower (306) at one end away from the alkali washing tower 2 (301), a water pump (307) is installed on the top surface of the water washing tower (306), a spray pipe 4 (308) is installed in the middle of the bottom surface of the water pump (307), an air guide pipe 2 (309) is installed on the right side of the water washing tower (306) near the top, and an air guide pipe 2 (309) is connected to a defogger tower 2 (310) at one end away from the water washing tower (306).

6. The device for treating industrial tail gas according to claim 5, characterized in that: The spray pipe three (304) is installed at the top of the inside of the alkali washing tower two (301), the spray pipe four (308) is installed at the top of the inside of the water washing tower (306), the air guide pipe one (305) is connected to the middle of the left side of the water washing tower (306) near the bottom at one end away from the alkali washing tower two (301), and the air guide pipe two (309) is connected to the middle of the left side of the demister tower two (310) near the bottom at one end away from the water washing tower (306).

7. The device for treating industrial tail gas according to claim 1, characterized in that: The organic waste gas emission structure includes an air guide pipe three (401), the right end of the air guide pipe three (401) is connected to a dry filter (402), an air guide pipe five (403) is installed in the middle of the right side of the dry filter (402), the air guide pipe five (403) is connected to an installation box (404) at one end away from the dry filter (402), a zeolite wheel (405) is installed inside the installation box (404), an air guide pipe six (406) is connected to the middle of the right side of the installation box (404) near the bottom, and the air guide pipe six (406) is connected to a fan two (407) at one end away from the installation box (404).

Images