CN211487046U

CN211487046U - Environment-friendly recovery processing device for oil mist waste gas

Info

Publication number: CN211487046U
Application number: CN201922272407.0U
Authority: CN
Inventors: 徐东波
Original assignee: Xuzhou Shen Heng Environmental Science And Technology Co ltd
Current assignee: Xuzhou Shen Heng Environmental Science And Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-15
Anticipated expiration: 2029-12-18

Abstract

The utility model belongs to the field of industrial waste gas treatment equipment, and particularly discloses an environment-friendly recovery treatment device for oil mist waste gas, which comprises a static treatment part (100), a spraying purification part (200) and a discharge part (3) which are sequentially and hermetically connected; the electrostatic treatment part (1) is vertically arranged and comprises an air collecting opening (110), a first fan (120), a coarse dust filter (130) and a high-voltage electrostatic oil mist separator (140) which are sequentially arranged from bottom to top, wherein the air collecting opening (110) is a horn-shaped air collecting opening, and the first fan (120) is a vacuum air pump; the utility model discloses an environmental protection recovery processing device of oil mist waste gas, clear away industrial oil mist waste gas that can high-efficient environmental protection, green is high-efficient.

Description

Environment-friendly recovery processing device for oil mist waste gas

Technical Field

The utility model belongs to industrial waste gas treatment equipment field specifically discloses an environmental protection recovery processing device of oil mist waste gas.

Background

The raw materials used for chemical fiber finish are generally lubricating oil and surfactant. The lubricating oil includes mineral oil, synthetic grease, etc.; the surfactant is classified into four types, namely cationic, anionic, amphoteric and nonionic, and is prepared by chemical processing of natural animal and vegetable fat or synthetic fatty alcohol, fatty acid ester and derivatives thereof. In chemical fiber plants, the general process flow of filament nylon fibers is as follows: POY (polyester pre-oriented yarn) produced by fore spinning (sprayed with chemical fiber oiling agent), heating box, drafting, false twisting and nylon DTY. Many of these processes are high temperature processes, for example, temperatures in the heating box are in excess of 170 ℃ while the draw texturing process is run at speeds in excess of 700m/min, the spin draw is run at temperatures in excess of 260 ℃ and at speeds in excess of 4200 m/min. Due to the high speed spinning, the friction of the tow against the processing equipment and itself generates heat. Meanwhile, due to the reasons, chemical fiber oiling agents are required in the chemical fiber production process, so that trace oil mist is inevitably generated. The local exhaust device of the production equipment can not completely remove the oil mist, so that the oil mist in the production workshop is diffused. For example, natural emission causes pollution to surrounding residents and natural environment. The existing treatment method generally has the defects of single treatment method and low treatment efficiency, is difficult to meet the requirements of national environmental quality standards and pollutant control standards on flue gas treatment, and meanwhile, recyclable substances exist in oil mist, so that the traditional treatment method cannot realize the recycling of resources.

SUMMERY OF THE UTILITY MODEL

Not enough more than, the utility model discloses an environmental protection recovery processing device of oil mist waste gas.

The technical scheme of the utility model as follows:

an environment-friendly recovery processing device for oil mist waste gas comprises an electrostatic processing part, a spraying purification part and a discharge part which are sequentially connected in a sealing way; the electrostatic treatment part is vertically arranged and comprises a gas collecting port, a first fan, a coarse dust filter and a high-voltage electrostatic oil mist separator which are sequentially arranged from bottom to top, the gas collecting port is a horn-shaped gas collecting port, the first fan is a vacuum air pump, filter materials in the coarse dust filter are non-woven fabric coarse-effect filter cotton, a grease return pipe is further arranged outside the high-voltage electrostatic oil mist separator, and the grease return pipe is connected with a grease collector; the spraying and purifying part is horizontally arranged, and is sequentially provided with an air equalizing plate and a spraying chamber along the direction of air flow, the top of the spraying chamber is provided with a plurality of spraying heads, the bottom of the spraying chamber is provided with a sewage collecting pipe, the tail end of the spraying chamber is provided with a water baffle plate, and the water baffle plate is a baffle plate uniformly provided with small holes; the discharge part is vertically arranged and comprises a second fan and an air outlet. The oil mist waste gas is extracted from the gas collecting port by a first fan, enters a coarse dust filter to filter out large dust, then enters a high-voltage electrostatic oil mist separator to adsorb and recover oil mist, and the recovered oil flows into a grease collector through a grease return pipe to be collected; the waste gas that passes through gets into the spray room behind the air equalizing plate, and after spraying the dust removal absorption, the waste water that contains the grease passes through the sewage collecting pipe and flows out the back centralized processing, and remaining clean air passes through the extraction of No. two fans behind the breakwater, discharges from the air exit.

Further, according to the environment-friendly recovery and treatment device for the oil mist waste gas, the electrostatic treatment part further comprises an emulsifier, and the emulsifier is arranged above the high-voltage electrostatic oil mist separator. Adding an emulsifier, wherein the emulsifier and water are placed in the emulsifier, and can further emulsify the oil mist in the oil mist waste gas, dissolve in the water and remove together.

Further, above-mentioned environmental protection recovery processing device of oil mist waste gas, in the purification portion sprays, still be provided with ultraviolet photolysis clean room behind the breakwater.

Furthermore, according to the environment-friendly recovery and treatment device for the oil mist waste gas, the ultraviolet lamp with the wavelength of 254nm is arranged on the inner wall of the ultraviolet photolysis purifying chamber. The malodorous gas can be promoted to crack by irradiating the malodorous gas with high-energy high-ozone UV light beams; so that the pollutant molecules in a free state and ozone are oxidized and combined into small-molecule harmless or low-harm compounds.

Further, above-mentioned environmental protection recovery processing device of oil mist waste gas, still be provided with staggered arrangement titanium dioxide filter screen in the ultraviolet photolysis clean room. The titanium dioxide photocatalyst and the ultraviolet rays have synergistic effect, so that the purification effect on the waste gas is better.

Further, according to the environment-friendly recovery and treatment device for the oil mist waste gas, the air outlet is internally provided with the air detector, and the air detector is provided with the wireless signal transmitting device. The air detector is arranged, and a detection signal is transmitted to the control center in real time, so that a worker can monitor the treatment effect of the waste gas in real time.

Furthermore, according to the environment-friendly recovery processing device for the oil mist waste gas, the air-equalizing plate is vertically arranged, and small holes are formed in the air-equalizing plate.

According to the above technical scheme, the utility model discloses following beneficial effect has: the utility model discloses an environmental protection recovery processing device of oil mist waste gas, through coarse filtration net, high-voltage electrostatic oil mist separator, emulgator, ultraviolet photolysis and multi-stage treatment such as photocatalyst catalysis, the oil mist waste gas that produces in the purification workshop that can be more complete to retrieve the grease that wherein still has economic value, still reduced the cost when the protection worker is healthy, and make the air that discharges reach national environmental standard simultaneously, be favorable to the environmental protection.

Drawings

FIG. 1 is a schematic view of the whole of an environmental protection recovery processing apparatus in example 1;

FIG. 2 is a schematic view of the whole of the environmental protection recovery processing apparatus in example 2;

wherein: 100 static electricity processing part, 200 spraying and purifying part, 300 discharging part, 110 air collecting opening, No. 120 fan, 130 coarse dust filter, 140 high-voltage static oil mist separator, 141 grease return pipe, 142 grease collector, 150 emulsifier, 210 air equalizing plate, 220 spraying chamber, 221 spraying head, 222 sewage collecting pipe, 223 water baffle, 230 photolysis purifying chamber, 231 ultraviolet lamp, 232 titanium dioxide filter screen, No. 310 fan, 320 air outlet, 321 air detector.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

The environment-friendly recovery and treatment device for the oil mist waste gas shown in fig. 1 is characterized by comprising an electrostatic treatment part 100, a spraying purification part 200 and a discharge part 300 which are hermetically connected in sequence; the electrostatic treatment part 100 is vertically arranged and comprises an air collecting opening 110, a first fan 120, a coarse dust filter 130 and a high-voltage electrostatic oil mist separator 140 which are sequentially arranged from bottom to top, wherein the air collecting opening 110 is a horn-shaped air collecting opening, the first fan 120 is a vacuum air pump, filter materials in the coarse dust filter 130 are non-woven fabric coarse-effect filter cotton, a grease return pipe 141 is further arranged outside the high-voltage electrostatic oil mist separator 140, and the grease return pipe 141 is connected with a grease collector 142; the spray purification part 200 is horizontally arranged, and is sequentially provided with an air equalizing plate 210 and a spray chamber 220 along the air flow direction, the top of the spray chamber 220 is provided with a plurality of spray heads 221, the bottom of the spray chamber is provided with a sewage collecting pipe 222, the tail end of the spray chamber 220 is provided with a water baffle 223, and the water baffle 223 is a baffle plate uniformly provided with small holes; the discharge part 300 is vertically arranged and includes a second blower 310 and an air outlet 320.

When in work: the oil mist waste gas is drawn from the gas collecting port 110 by the first fan 120, enters the coarse dust filter 130 to filter out large dust, then enters the high-voltage electrostatic oil mist separator 140 to adsorb and recover the oil mist, and the recovered oil flows into the oil collector 142 through the oil return pipe 141 to be collected; the waste gas passing through the air equalizing plate 210 enters the spray chamber 220, after spraying, dedusting and adsorbing, the waste water containing grease flows out through the sewage collecting pipe 222 for centralized treatment, and the residual clean air passes through the water baffle 223 and then is extracted through the second fan 310 and discharged from the air outlet 320.

Example 2

Fig. 2 shows an environment-friendly recovery processing device for oil mist waste gas, which is characterized by comprising an electrostatic processing part 100, a spraying purification part 200 and a discharge part 300 which are hermetically connected in sequence; the electrostatic treatment part 100 is vertically arranged and comprises an air collecting opening 110, a first fan 120, a coarse dust filter 130 and a high-voltage electrostatic oil mist separator 140 which are sequentially arranged from bottom to top, wherein the air collecting opening 110 is a horn-shaped air collecting opening, the first fan 120 is a vacuum air pump, filter materials in the coarse dust filter 130 are non-woven fabric coarse-effect filter cotton, a grease return pipe 141 is further arranged outside the high-voltage electrostatic oil mist separator 140, and the grease return pipe 141 is connected with a grease collector 142; the spray purification part 200 is horizontally arranged, and is sequentially provided with an air equalizing plate 210 and a spray chamber 220 along the air flow direction, the top of the spray chamber 220 is provided with a plurality of spray heads 221, the bottom of the spray chamber is provided with a sewage collecting pipe 222, the tail end of the spray chamber 220 is provided with a water baffle 223, and the water baffle 223 is a baffle plate uniformly provided with small holes; the discharge part 300 is vertically arranged and comprises a second fan 310 and an air outlet 320; preferably, the electrostatic treatment part 100 further comprises an emulsifier 150, and the emulsifier 150 is disposed above the high-voltage electrostatic oil mist separator 140; particularly, in the spraying and purifying part 200, an ultraviolet photolysis purifying chamber 230 is further arranged behind the water baffle 223; further, ultraviolet lamps 231 with the wavelength of 254nm are arranged on the inner wall of the ultraviolet photolysis purification chamber 230, and titanium dioxide filter screens 232 are arranged in the ultraviolet photolysis purification chamber 230 in a staggered manner; preferably, an air detector 321 is arranged in the air outlet 320, and the air detector 321 is provided with a wireless signal transmitting device; in particular, the air-equalizing plate 210 is vertically arranged, and the air-equalizing plate 210 is provided with small holes.

When in work: the oil mist waste gas is drawn from the gas collecting port 110 by the first fan 120, enters the coarse dust filter 130 to filter out large dust, then enters the high-voltage electrostatic oil mist separator 140 to adsorb and recover the oil mist, and the recovered oil flows into the oil collector 142 through the oil return pipe 141 to be collected; the passing waste gas enters the emulsifier 150 again to react with the emulsifier in the emulsifier for further recovery; the rest waste gas enters the spray chamber 220 after passing through the air equalizing plate 210, after spraying, dedusting and adsorbing, the waste water containing grease flows out through the sewage collecting pipe 222 for centralized treatment, the rest waste gas enters the ultraviolet photolysis purification chamber 230 for further purification after passing through the water baffle 223, and then the purified clean air is extracted through the second fan 310 and discharged from the air outlet 320. The discharged gas is detected to have the dust removal efficiency of more than 98.5 percent, the generated dust and waste gas can reach the secondary standard in Table 2 of the Integrated emission Standard of atmospheric pollutants (GB 16297-1996), and the discharged gas completely reaches the national environmental protection standard.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention can not be limited thereby, and the simple equivalent changes and modifications made according to the claims and the utility model also belong to the protection scope of the present invention.

Claims

1. An environment-friendly recovery processing device for oil mist waste gas is characterized by comprising an electrostatic processing part (100), a spraying purification part (200) and a discharge part (300) which are hermetically connected in sequence; the electrostatic treatment part (100) is vertically arranged and comprises an air collecting opening (110), a first fan (120), a coarse dust filter (130) and a high-voltage electrostatic oil mist separator (140), wherein the air collecting opening (110) is a horn-shaped air collecting opening, the first fan (120) is a vacuum air pump, filter materials in the coarse dust filter (130) are non-woven fabric coarse-effect filter cotton, a grease return pipe (141) is arranged outside the high-voltage electrostatic oil mist separator (140), and the grease return pipe (141) is connected with a grease collector (142); the spraying purification part (200) is horizontally arranged, an air equalizing plate (210) and a spraying chamber (220) are sequentially arranged along the airflow direction, a plurality of spraying heads (221) are arranged at the top of the spraying chamber (220), a sewage collecting pipe (222) is arranged at the bottom of the spraying chamber, a water baffle plate (223) is arranged at the tail end of the spraying chamber (220), and the water baffle plate (223) is a baffle plate uniformly provided with small holes; the discharge part (300) is vertically arranged and comprises a second fan (310) and an air outlet (320).

2. The environmental-friendly recovery and treatment device for the oil mist exhaust gas as recited in claim 1, further comprising an emulsifier (150) in the electrostatic treatment part (100), wherein the emulsifier (150) is disposed above the high-voltage electrostatic oil mist separator (140).

3. The environmental-friendly recycling device for oil mist waste gas as claimed in claim 1, wherein the spraying purification part (200) is further provided with an ultraviolet photolysis purification chamber (230) after the water baffle (223).

4. The environment-friendly recycling device for oil mist exhaust gas as claimed in claim 3, wherein the ultraviolet photolysis clean room (230) is provided with an ultraviolet lamp (231) with a wavelength of 254nm on the inner wall.

5. The environment-friendly recycling device for oil mist exhaust gas as recited in claim 3, wherein the uv photolysis clean room (230) is further provided with staggered titanium dioxide filter screens (232).

6. The environmental protection recycling device for oil mist exhaust gas as recited in claim 1, wherein an air detector (321) is disposed in said air outlet (320), and said air detector (321) is provided with a wireless signal transmitting device.

7. The environment-friendly recycling device for oil mist exhaust gas as recited in claim 1, wherein said air-equalizing plate (210) is vertically disposed, and said air-equalizing plate (210) is provided with small holes.