CN214486290U

CN214486290U - Lubricant workshop tail gas treatment and purification device

Info

Publication number: CN214486290U
Application number: CN202023290919.9U
Authority: CN
Inventors: 赵立勋; 范晓瑜; 王浩仰
Original assignee: Bazhou Sanyuan Petroleum Additives Co ltd
Current assignee: Bazhou Sanyuan Petroleum Additives Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-26
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a tail gas treatment and purification device for a lubricant workshop, which consists of a tail gas collecting pipeline (1), a primary oil mist collecting box (2), a secondary oil mist collecting box (3), a primary active carbon filter box (6), a secondary active carbon filter box (7) and a draught fan (8), wherein arrays of hollow oil condensing plates (21) are arranged in the primary oil mist collecting box (2) and the secondary oil mist collecting box (3), and the arrays of the hollow oil condensing plates (21) are connected through a cold condensate pipeline (23); the utility model discloses simple structure, investment and running cost are low, can reach good processing purifying effect to emollient workshop tail gas again.

Description

Lubricant workshop tail gas treatment and purification device

Technical Field

The utility model relates to a tail gas cleanup unit especially relates to a emollient workshop tail gas treatment purifier.

Background

The lubricant is a lubricating medium used in friction pairs of various types of mechanical equipment to reduce frictional resistance and wear thereof, and includes oil-like liquid lubricating oil, grease-like semisolid lubricating grease, solid lubricant, and the like according to properties. The tail gas containing organic pollutants is generated in the production process of a lubricant workshop, mainly from components with lower boiling points volatilized from lubricant raw materials in the production process, including various saturated or unsaturated alkanes, cycloalkanes, aromatic hydrocarbons, ethers, lipids and the like, organic compounds containing oxygen, nitrogen and sulfur and part of organic solvents such as ethanol, acetone, petroleum ether and the like. At present, a lot of tail gas generated in a lubricant workshop is directly discharged without being treated, so that huge pollution is caused to the natural environment; if a complete set of tail gas purification and recovery device is purchased, complex devices such as a pressure sensor, a cooling tank, a fractionating tower, an adsorption tower, a regeneration tower, a vacuum pump, an induced draft fan and the like are generally superposed and assembled together on one platform, and although the purification effect is good, the defects of complex structure and high operation and maintenance cost exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a emollient workshop tail gas treatment purifier to the materialization characteristic of emollient workshop tail gas composition, the device's simple structure, investment and running cost are low, can reach good processing purifying effect again.

The utility model discloses a following technical scheme realizes:

a tail gas treatment and purification device for a lubricant workshop comprises a tail gas collecting pipeline, wherein the front end of the tail gas collecting pipeline is connected with a tail gas collecting facility of the lubricant workshop, the rear end of the tail gas collecting pipeline is connected with a primary oil mist collecting box, the rear end of the tail gas collecting pipeline is connected with a secondary oil mist collecting box through the tail gas pipeline, hollow oil condensing plate arrays are arranged in the primary oil mist collecting box and the secondary oil mist collecting box respectively, adjacent hollow oil condensing plates are connected through condensing pipelines, the primary oil mist collecting box and the secondary oil mist collecting box share a condensed water loop, a condensed water inlet is formed in the left side of the primary oil mist collecting box, a condensed water outlet is formed in the right side of the secondary oil mist collecting box, an oil overflow pipe is arranged on the tail gas pipeline between the primary oil mist collecting box and the secondary oil mist collecting box, and an oil overflow valve is arranged at the tail end of the oil overflow pipe; the secondary oil mist collecting box is connected with the primary activated carbon filter box through a tail gas pipeline, the primary activated carbon filter box is connected with the secondary activated carbon filter box through a tail gas pipeline, a draught fan is arranged at the rear end of the secondary activated carbon filter box, and the secondary activated carbon filter box is connected to a chimney through a tail gas pipeline.

As the utility model discloses technical scheme's further optimization, oil mist collecting box and secondary oil mist collecting box once, and the material of the hollow fluid condenser plate of inside is stainless steel material.

In the technical scheme, main components in tail gas of a lubricant workshop at a higher temperature, such as various saturated or unsaturated alkanes, cycloalkanes, aromatic hydrocarbons, ethers, lipids and the like, oxygen-containing, nitrogen-containing and sulfur-containing organic compounds and the like can be adsorbed and condensed by a hollow oil condensing plate array with circulating condensed water when passing through a primary oil mist collecting box and a secondary oil mist collecting box, recovered into oily liquid, enriched at the bottoms of the two oil mist collecting boxes, finally collected into an oil overflow pipe, and discharged through an oil overflow valve and then can be reused after being treated by fractionation, extraction and the like.

As the utility model discloses technical scheme's further optimization, the active carbon in active carbon filter box and the secondary active carbon filter box can take out and resume its adsorption efficiency through modes such as extraction, heating when the active carbon reaches the absorption saturation state for can dismantling the substitution.

In the technical scheme, organic solvents in tail gas such as ethanol, acetone, petroleum ether and the like are mainly adsorbed by two activated carbon filter boxes.

To sum up, the utility model discloses for prior art have following technical advantage: the utility model discloses a tail gas treatment and purification device in lubricant workshop utilizes the characteristics that the main organic components of tail gas volatilize into gaseous state when the temperature is higher, and condense into oily liquid when the temperature is lower, and the oil mist collecting box with the circulating condensed water loop condenses and enriches the tail gas efficiently by arranging two oil mist collecting boxes, and then two active carbon filter boxes can effectively adsorb the components such as ethanol, acetone, petroleum ether and the like in the tail gas; the purification device has the advantages of simple structure, low investment and operation cost, and good treatment and purification effects on tail gas in a lubricant workshop.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a tail gas treatment and purification device for a lubricant workshop according to the present invention;

in the figure: the system comprises a tail gas collecting pipeline 1, a primary oil mist collecting box 2, a secondary oil mist collecting box 3, an oil liquid overflow pipe 4, an oil liquid overflow valve 5, a primary active carbon filter box 6, a secondary active carbon filter box 7, an induced draft fan 8, a chimney 9, a hollow oil liquid condensing plate 21, a condensate water inlet 22, a condensate water pipeline 23 and a condensate water outlet 24.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below with reference to embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 shows an embodiment of the tail gas treatment and purification device for a lubricant workshop of the present invention.

As shown in fig. 1, the tail gas treatment and purification device for the lubricant workshop comprises a tail gas collecting pipeline 1, the front end of the oil mist collector is connected with a tail gas collecting facility of a lubricant workshop, the rear end of the oil mist collector is connected with a primary oil mist collecting box 2, the latter is connected with a secondary oil mist collecting box 3 through a tail gas pipeline, the primary oil mist collecting box 2 and the secondary oil mist collecting box 3 are internally provided with arrays of hollow oil condensing plates 21, the adjacent hollow oil condensing plates 21 are connected through a cold condensate pipeline 23, the primary oil mist collecting box 2 and the secondary oil mist collecting box 3 share a condensate water loop, wherein the condensed water inlet 22 is arranged at the left side of the primary oil mist collecting box 2, the condensed water outlet 22 is arranged at the right side of the secondary oil mist collecting box 3, an oil liquid overflow pipe 4 is arranged on a tail gas pipeline between the primary oil mist collecting box 2 and the secondary oil mist collecting box 3, and an oil liquid overflow valve 5 is arranged at the tail end of the oil liquid overflow pipe 4; the secondary oil mist collecting box 3 is connected with the primary active carbon filter box 6 through a tail gas pipeline, the primary active carbon filter box 6 is connected with the secondary active carbon filter box 7 through a tail gas pipeline, the rear end of the secondary active carbon filter box 7 is provided with an induced draft fan 8, and the induced draft fan is connected to a chimney 9 through a tail gas pipeline.

In this embodiment, the primary and secondary mist collecting

tanks

2 and 3, and the hollow oil condenser plate 21 inside thereof are made of stainless steel.

In this embodiment, the activated carbon in the primary activated carbon filter tank 6 and the secondary activated carbon filter tank 7 is detachable and replaceable.

The utility model discloses a emollient workshop tail gas treatment purifier is when using, at first open the circulation comdenstion water that lets in two oil mist collecting

box

2 and 3, then start draught fan 8, workshop tail gas is through tail gas collection facility and tail gas collection pipeline 1 under the negative pressure effect, get into primary oil mist collecting box 2 and secondary oil mist collecting box 3 in proper order, main component wherein such as various saturated or unsaturated alkane, cycloparaffin, arene, ether, lipid etc, contain oxygen, contain nitrogen, contain sulphur organic compound etc. and be adsorbed and condense by hollow fluid condenser plate 21 array, recover to oily liquid, and enrich in the bottom of two oil mist collecting box, finally collect in the fluid overflow pipe, can be through fractionating after discharging through the fluid overflow valve, reuse after processing such as extraction; the residual tail gas enters a primary activated carbon filter box 6 and a secondary activated carbon filter box 7, residual organic solvents such as ethanol, acetone, petroleum ether and the like are adsorbed by activated carbon, organic components in the tail gas can be basically and completely removed through continuous two-time activated carbon adsorption, and the purified tail gas is safely discharged through an induced draft fan 8 and a chimney 9.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left side", "right side", "top", "end", "side", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Also, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and thus, for example, "connected" may be fixedly, detachably, 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 in specific cases to those skilled in the art.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. that may be made by those skilled in the art without departing from the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a emollient workshop tail gas treatment purifier, includes tail gas collecting pipe way (1), and its front end is connected its characterized in that with the tail gas collection facility in emollient workshop: the rear end of the tail gas collecting pipeline (1) is connected with a primary oil mist collecting box (2), the latter is connected with a secondary oil mist collecting box (3) through a tail gas pipeline, arrays of hollow oil condensing plates (21) are arranged in the primary oil mist collecting box (2) and the secondary oil mist collecting box (3), the adjacent hollow oil condensing plates (21) are connected through a condensate pipe (23), the primary oil mist collecting box (2) and the secondary oil mist collecting box (3) share a condensate loop, wherein the condensed water inlet (22) is arranged at the left side of the primary oil mist collecting box (2), the condensed water outlet (24) is arranged at the right side of the secondary oil mist collecting box (3), an oil liquid overflow pipe (4) is arranged on a tail gas pipeline between the primary oil mist collecting box (2) and the secondary oil mist collecting box (3), and an oil liquid overflow valve (5) is arranged at the tail end of the oil liquid overflow pipe (4); the secondary oil mist collecting box (3) is connected with the primary activated carbon filter box (6) through a tail gas pipeline, the primary activated carbon filter box (6) is connected with the secondary activated carbon filter box (7) through a tail gas pipeline, a draught fan (8) is arranged at the rear end of the secondary activated carbon filter box (7), and the latter is connected to a chimney (9) through a tail gas pipeline.

2. The lubricant shop exhaust gas treatment purification apparatus according to claim 1, characterized in that: the primary oil mist collecting box (2), the secondary oil mist collecting box (3) and the hollow oil liquid condensing plate (21) inside the primary oil mist collecting box and the secondary oil mist collecting box are all made of stainless steel materials.

3. The lubricant shop exhaust gas treatment purification apparatus according to claim 1, characterized in that: the active carbon in the primary active carbon filter box (6) and the secondary active carbon filter box (7) is detachable and replaceable.