Sewage and waste gas treatment device

Abstract

The utility model discloses a sewage and waste gas treatment device and belongs to the technical field of waste gas treatment equipment. Comprising a sewage treatment tank and a waste gas treatment tower connected with the sewage treatment tank through a gas inlet pipeline, a sludge filtering treatment mechanism and a stirring mechanism are arranged in the sewage treatment box, opening and closing plates are arranged on the two sides of the sewage treatment box, the positions of the opening and closing plates correspond to the position of the sludge filtering treatment mechanism, and two water inlet holes are symmetrically formed in the top end of the sewage treatment box; a feeding hole is formed in the side wall of the sewage treatment box, and a water outlet hole is formed in the rear side wall of the sewage treatment box. By adopting the sewage and waste gas treatment device disclosed by the utility model, integrated treatment of industrial sewage and waste gas is realized, impurities in the sewage are filtered and cleaned cleanly and conveniently, meanwhile, the treatment effect of the waste gas is improved, and efficient desulfurization is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment equipment technical field especially is concerned with a sewage waste gas treatment device. BACKGROUND

[0002] With the further acceleration of industrialization, various industrial pollution is causing damage to the living environment of human beings in varying degrees. Among them, industrial wastewater is highly concerned by the society due to its high degree of environmental pollution.

[0003] At present, the sewage treatment technology mostly adopts the traditional biochemical method. Although the biochemical treatment technology has the advantages of low cost, high efficiency and good treatment effect, it still has the following problems: 1) when the sewage treatment device is put into use, there is a problem that the sewage and sludge are not completely separated, and the settled sludge needs to be cleaned regularly. Moreover, after the sludge accumulates to a certain amount at the bottom of the device, manual cleaning is mostly selected, which is inconvenient and slow; 2) a large amount of air and treatment reagents need to be introduced into the sewage for aerobic biochemical treatment. In addition to evaporation of the sewage, a large amount of waste gas is discharged into the atmosphere by the sewage treatment plant. Such waste gas contains active sludge mist, trace hydrogen sulfide and other sulfur compounds, which causes the waste gas to have a foul odor, seriously affecting the surrounding environment and threatening human health. Therefore, the sewage treatment plant also needs to promptly treat the discharged waste gas. Therefore, the utility model provides a novel sewage waste gas treatment device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sewage waste gas treatment device, which can solve the problems in the background art and realize treatment of industrial wastewater and waste gas generated during wastewater treatment.

[0005] To achieve the above-mentioned purpose, the utility model provides a sewage waste gas treatment device, which comprises a sewage treatment tank and a waste gas treatment tower connected with the sewage treatment tank through an air inlet pipeline; a sludge filtration treatment mechanism and a stirring mechanism are arranged inside the sewage treatment tank; a hinged plate is arranged on both sides of the sewage treatment tank, the position of the hinged plate corresponds to the position of the sludge filtration treatment mechanism; two water inlet holes are symmetrically arranged at the top of the sewage treatment tank; a feeding hole is arranged on the side wall of the sewage treatment tank; and a water outlet hole is arranged on the rear wall of the sewage treatment tank.

[0006] Preferably, the sludge filtration treatment mechanism comprises a support frame fixedly connected with the sewage treatment tank, first filter screens are fixedly arranged between the bottom ends of both sides of the support frame and the sewage treatment tank, a drive motor is arranged in the support frame, an output shaft of the drive motor is connected with a sliding rod, a sliding block is slidably connected to the sliding rod, both ends of the sliding block are connected with connecting rods, and a push plate is connected to the bottom end of the connecting rod.

[0007] Preferably, a second filter screen is arranged between the sludge filtering treatment mechanism and the stirring mechanism, the second filter screen has a smaller mesh density than the first filter screen, and the second filter screen is detachably connected to the sewage treatment tank.

[0008] Preferably, the stirring mechanism comprises a stirring motor arranged on the side wall of the sewage treatment tank, an output shaft of the stirring motor is fixedly connected with a stirring shaft penetrating through the side wall of the sewage treatment tank, the other end of the stirring shaft is fixedly connected with the other side wall of the sewage treatment tank through a bearing seat, and a plurality of stirring blades are uniformly arranged on the stirring shaft.

[0009] Preferably, an air extraction pump is arranged between the sewage treatment tank and the waste gas treatment tower.

[0010] Preferably, the inside of the waste gas treatment tower is sequentially provided with a first spray head, a second spray head and a desulfurizing agent disc from bottom to top, and an exhaust chimney is connected to the top end of the waste gas treatment tower.

[0011] Preferably, a uniform distributor is arranged between the second spray head and the desulfurizing agent disc.

[0012] Preferably, the desulfurizing agent disc is a filter screen structure, and desulfurizing agent is placed above the desulfurizing agent disc.

[0013] Therefore, the sewage and waste gas treatment device has the following beneficial effects compared with the prior art:

[0014] (1) The industrial sewage and waste gas can be integrally treated, and the operation is simple.

[0015] (2) After the sewage enters the sewage treatment tank, the sludge therein is first blocked by the sludge filtering treatment mechanism, the large solid impurities are intercepted by the first filter screen, and the second filter screen has smaller mesh holes and can intercept small solids, so that the impurities in the sewage are filtered and cleaned more cleanly.

[0016] (3) Through the structural design of the sludge filtering treatment mechanism, the impurities remaining on the first filter screen can be pushed to the bottom end of the filter screen, and the design of the opening and closing plate can timely clean them out.

[0017] (4) By arranging the stirring mechanism, the medicament in the sewage and the filtered sewage can be fully mixed, and the disinfection treatment efficiency of the sewage is improved.

[0018] (5) Through the structural design of the two-layer spray head, the treatment effect of the waste gas is improved, and the structure of the waste gas tower realizes efficient desulfurization.

[0019] The technical scheme of the utility model will be further described in detail through the drawings and examples.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a whole structure schematic view of a sewage waste gas treatment device of the utility model;

[0021] Fig. 2 is a partial internal structure schematic view of a sewage treatment tank of a sewage waste gas treatment device of the utility model;

[0022] Fig. 3 is a structure schematic view of a sludge filtration treatment mechanism of a sewage waste gas treatment device of the utility model;

[0023] REFERENCE NUMERALS

[0024] 1, sewage treatment tank; 2, waste gas treatment tower; 3, air inlet pipeline; 4, air extraction pump;

[0025] 5, sludge filtration treatment mechanism; 51, support frame; 52, first filter screen; 53, driving motor; 54, sliding rod; 55, sliding block; 56, connecting rod; 57, push plate;

[0026] 6, second filter screen;

[0027] 7, stirring mechanism; 71, stirring motor; 72, stirring shaft; 73, stirring blade;

[0028] 8, opening and closing plate; 9, water inlet hole; 10, feeding hole; 11, first spray head; 12, second spray head; 13, desulfurizer disc; 14, distributor; 15, exhaust chimney; 16, induced draft fan. DETAILED DESCRIPTION

[0029] The technical scheme of the utility model is further explained below by means of the drawings and embodiments.

[0030] Unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meanings by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, which may change accordingly when the absolute position of the described object changes.

[0031] The specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here. The sealing treatment is a conventional means, and the reagent required for treating sewage is also a conventional reagent, which will not be described in detail here.

[0032] Embodiment

[0033] As Figs. 1-3 shown, the embodiment provides a sewage waste gas treatment device, which comprises a sewage treatment tank 1 and a waste gas treatment tower 2. The sewage treatment tank 1 is provided with an air outlet hole on one side, the waste gas treatment tower 2 is provided with an air inlet hole on one side, the two are connected through an air inlet pipeline 3, and an air pump 4 is arranged on the side close to the air outlet hole. The gas generated in the sewage treatment stage is pumped into the waste gas treatment tower 2 for treatment and then discharged, realizing integrated treatment of industrial sewage and generated waste gas.

[0034] The top end of the sewage treatment tank is symmetrically provided with two water inlet holes 9, and the sewage treatment tank 1 is internally provided with a sludge filtering treatment mechanism 5. The sludge filtering treatment mechanism 5 comprises a support frame 51 fixedly connected with the sewage treatment tank 1, first filter screens 52 fixedly arranged between the bottom end of the support frame 51 and the sewage treatment tank 1 on both sides, a drive motor 53 arranged in the support frame 51, a sliding rod 54 connected with the output shaft of the drive motor 53, a sliding block 55 slidably connected with the sliding rod 54, connecting rods 56 connected with both ends of the sliding block 55, and a push plate 57 connected with the bottom end of the connecting rods 56. The two side walls of the sewage treatment tank are provided with opening and closing plates 8 corresponding to the positions of the sludge filtering treatment mechanism 5. The opening and closing plates 8 are connected with the sewage treatment tank through a latch. After the sewage to be treated enters the tank body through the two water inlet holes 9, the larger solid impurities are left above the first filter screens 52 after passing through the first filter screens 52, and then the impurities left on the first filter screens 52 are pushed to the bottom end of the filter screens through the push plate 57. In combination with the design of the opening and closing plates 8, the impurities can be cleaned out in time. A second filter screen is arranged below the sludge filtering treatment mechanism 5. The mesh density of the second filter screen 6 is smaller than that of the first filter screen 52. The mesh holes of the second filter screen 6 are smaller, so that small solids can be intercepted, and the impurities in the sewage can be filtered and cleaned more cleanly. The second filter screen 6 is detachably connected with the inner side wall of the sewage treatment tank 1 through the structure design of the sliding groove and sliding block 55, so that the second filter screen 6 can be conveniently disassembled and cleaned. The rear side wall of the sewage treatment tank 1 is provided with a water outlet hole, and the treated sewage flows out through the water outlet hole.

[0035] The lower portion of the second filter screen 6 is provided with a stirring mechanism 7, which comprises a stirring motor 71 arranged on the side wall of the sewage treatment tank 1, and the output shaft of the stirring motor 71 is fixedly connected with a stirring shaft 72 penetrating through the side wall of the sewage treatment tank 1, and the other end of the stirring shaft 72 is fixedly connected with the other side wall of the sewage treatment tank 1 through a bearing seat, and a plurality of stirring blades 73 are uniformly arranged on the stirring shaft 72, and a feeding hole 10 is arranged on the side wall of the sewage treatment tank, and the reagent required for treating sewage is added from the feeding hole 10, and then is stirred and mixed by the stirring mechanism 7, so that the treatment efficiency of the sewage is improved.

[0036] The top end of the waste gas treatment tower 2 is connected with an exhaust chimney 15, and the side wall is connected with an induced draft fan 16, and the inside of the waste gas treatment tower 2 is sequentially provided with a first spray head 11, a second spray head 12, a distributor 14 and a desulfurizing agent disc 13 from bottom to top, and after the waste gas generated after sewage treatment reaches the waste gas treatment tower 2 through the air pump 4, the waste gas is lifted to the first spray head 11 under the power action of the induced draft fan 16, and the washing water added with bactericide is used to spray and wash the exhaust gas of the sewage treatment field, and the water mist in the sewage exhaust gas is removed by using the wind power, and the microbial sludge mist, dust particles and solid matters are intercepted, and the exhaust gas not completely washed continues to rise to the second spray head 12 to perform the similar washing treatment process as the first spray head 11. The exhaust gas after the washing treatment reaches the distributor 14, the distributor 14 uniformly arranges the reached exhaust gas, and then reaches the desulfurizing agent disc 13, which is a filter screen structure and is provided with desulfurizing agent on the upper portion, and the desulfurizing agent is calcium hydroxide solid. The exhaust gas after completing desulfurization is discharged by the exhaust chimney 15.

[0037] In addition, in the embodiment, the connection portions of the stirring mechanism 7 and the sewage treatment tank 1 and the connection portions of the opening and closing plate 8 and the sewage treatment tank 1 are all sealed to prevent liquid leakage.

[0038] Therefore, the sewage exhaust gas treatment device has the advantages of simple structure and realizes integrated treatment of industrial sewage and exhaust gas.

[0039] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical scheme of the utility model can still be modified or replaced, and these modifications or replacements cannot make the modified technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A sewage exhaust gas treatment device characterized by comprising: Including sewage treatment tank and with sewage treatment tank through the air inlet pipeline connected with exhaust gas treatment tower, the sewage treatment tank inside is provided with sludge filtration treatment mechanism and stirring mechanism, both sides of sewage treatment tank are equipped with open-close board, the position of open-close board corresponds with the position of sludge filtration treatment mechanism, the top of sewage treatment tank is provided with two water inlet hole, the sidewall of sewage treatment tank is provided with feed hole, the rear wall of sewage treatment tank is equipped with water outlet hole; The sludge filtration treatment mechanism includes a support frame fixedly connected with the sewage treatment tank, first filter screens are fixedly arranged between the bottom ends of both sides of the support frame and the sewage treatment tank, a drive motor is arranged in the support frame, a sliding rod is connected with the output shaft of the drive motor, a sliding block is slidably connected to the sliding rod, connecting rods are connected to both ends of the sliding block, and a push plate is connected to the bottom end of the connecting rod.

2. A device for treating sewage exhaust gases according to claim 1, characterised in that: A second filter screen is arranged between the sludge filtration treatment mechanism and the stirring mechanism, the mesh density of the second filter screen is smaller than that of the first filter screen, and the second filter screen is detachably connected with the sewage treatment tank.

3. A device for treating sewage exhaust gases according to claim 2, characterised in that: The stirring mechanism includes a stirring motor arranged on the sidewall of the sewage treatment tank, a stirring shaft is fixedly connected to the output shaft of the stirring motor and penetrates the sidewall of the sewage treatment tank, the other end of the stirring shaft is fixedly connected with the other sidewall of the sewage treatment tank through a bearing seat, and a plurality of stirring blades are uniformly arranged on the stirring shaft.

4. A device for treating sewage exhaust gases according to claim 3, characterised in that: An air pump is arranged between the sewage treatment tank and the exhaust gas treatment tower.

5. A device for treating sewage exhaust gases according to claim 4, characterised in that: A first spray head, a second spray head and a desulfurizing agent disc are sequentially arranged in the exhaust gas treatment tower from bottom to top, and an exhaust chimney is connected to the top end of the exhaust gas treatment tower.

6. A device for treating sewage exhaust gases according to claim 5, characterised in that: An equalizer is arranged between the second spray head and the desulfurizing agent disc.

7. A device for treating sewage exhaust gases according to claim 6, characterised in that: The desulfurizing agent disc is a filter screen structure, and desulfurizing agent is placed above the desulfurizing agent disc.

Images