CN210021509U

CN210021509U - Oil-gas separation and recovery device of vacuum pump

Info

Publication number: CN210021509U
Application number: CN201920594514.2U
Authority: CN
Inventors: 徐辉; 田志远; 郭丰周; 刘建设
Original assignee: SHANDONG HONGXING CHEMICAL CO Ltd
Current assignee: SHANDONG HONGXING CHEMICAL CO Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-02-07
Anticipated expiration: 2029-04-26

Abstract

The utility model relates to a relevant technical field of vacuum pump oil-gas separation just discloses a vacuum pump oil-gas separation recovery unit, which comprises a tank body and a vacuum pump, the bottom air vent fixedly connected with communicating pipe of the jar body, communicating pipe is keeping away from the one end of the jar body and the exhaust port fixed connection of vacuum pump, the inlet port fixedly connected with intake pipe of vacuum pump, the top opening part fixedly connected with of the jar body opens the flange soon, the opening part fixedly connected with blast pipe of opening the flange soon, the inside wall of the jar body passes through locating rack fixedly connected with and adsorbs the cotton stay tube, adsorbs the inboard fixed mounting of cotton stay tube and adsorbs the cotton, and the right flank through-hole fixedly connected with manometer of the jar body, the inside wall below fixed mounting of the jar body has long-pending oil fill, and. This vacuum pump vapor-liquid separation recovery unit, simple structure, it is cotton convenient to change, maintain the absorption, and the greasy dirt of being convenient for is concentrated in the inboard of long-pending oil fill, is favorable to the collection of fluid.

Description

Oil-gas separation and recovery device of vacuum pump

Technical Field

The utility model relates to a vacuum pump oil-gas separation correlation technique field specifically is a vacuum pump oil-gas separation recovery unit.

Background

Oil mist discharged from an oil discharge hole of a vacuum pump head needs to be intercepted by oil drops in the oil mist through an oil-gas separator and exhaust gas, oil-gas separation is realized, oil liquid recycling is realized, the discharged gas does not contain oil liquid, air pollution is avoided, but the existing vacuum pump oil-gas separation device can only separate oil gas generally, but the separated oil cannot be effectively collected and recycled, meanwhile, adsorption cotton in the oil-gas separation device cannot be effectively replaced in time after being used for a long time, the filtering efficiency of the device is greatly reduced, and therefore a vacuum pump oil-gas separation and recovery device is needed and is improved.

SUMMERY OF THE UTILITY MODEL

The problem of current vacuum pump oil-gas separation device can not effectively collect the recovery with absorbent greasy dirt is solved.

A vacuum pump oil-gas separation and recovery device comprises a tank body and a vacuum pump, wherein a communicating pipe is fixedly connected at an air inlet at the bottom of the tank body, one end of the communicating pipe far away from the tank body is fixedly connected with an exhaust port of the vacuum pump, an air inlet pipe is fixedly connected at the air inlet of the vacuum pump, a quick-opening flange is fixedly connected at the top opening of the tank body, an exhaust pipe is fixedly connected at the opening of the quick-opening flange, an adsorption cotton supporting pipe is fixedly connected on the inner side wall of the tank body through a positioning frame, adsorption cotton is fixedly installed on the inner side of the adsorption cotton supporting pipe, a pressure gauge is fixedly connected at the through hole of the right side surface of the tank body, an oil accumulation hopper is fixedly installed below the inner side wall of the tank body, an air hole is formed in the annular side wall of the oil accumulation, the bottom fixedly connected with annular spacing piece of long-pending oil fill, the oil drain hole has been seted up between the inboard bottom of the groove that sinks and the inboard top of last abrupt groove, the bottom right side oil drain port department fixedly connected with oil extraction pipe of the jar body, fixedly connected with leads to oil pipe between oil drain hole and the oil drain port, fixed mounting has the oil drain valve on the oil extraction pipe, the annular circulation groove has been seted up to the inboard bottom of the jar body, and the oil drain port is located the annular inboard of annular circulation groove.

Preferably, the oil collecting hopper is positioned under the adsorption cotton supporting tube, the annular circulation groove is positioned under the annular limiting piece, so that oil flowing down along the annular limiting piece can drip into the annular circulation groove, and oil stains are prevented from directly dripping into the communication tube.

Preferably, the centers of the oil accumulation hopper, the annular limiting piece, the adsorption cotton supporting tube and the tank body are on the same vertical line, and the adsorption cotton supporting tube is positioned under the exhaust pipe.

Preferably, the jar body adopts the AISI304 stainless steel jar body, and the material wall thickness δ of the jar body is 5 millimeters, the side and the bottom of adsorbing the cotton stay tube are latticed setting, and the aperture of adsorbing the cotton stay tube is 6 millimeters evenly distributed.

Preferably, the inner side wall of the adsorption cotton supporting tube is completely covered by the adsorption cotton, and the thickness of the adsorption cotton is 20 mm.

Preferably, bleeder vent annular equidistance distributes at the side top of long-pending oil fill, long-pending oil fill can adopt corrosion-resistant antiseized stainless steel fill, shunts leading-in oil gas, and the guarantee adsorbs the cotton and evenly filters leading-in oil gas.

Compared with the prior art:

(1) this vacuum pump oil-gas separation recovery unit, through setting up a jar body, the vacuum pump, open the flange soon, adsorb cotton stay tube, adsorb cotton, manometer and oil drain valve are mutually supported, when equipment uses, the setting of opening the flange soon is convenient for operating personnel to adsorbing cotton dismantlement change, and the setting of manometer is convenient for operating personnel observation jar internal portion's air feed atmospheric pressure, prevent to adsorb cotton and adsorb too much greasy dirt and cause the filtration pore to block up, influence equipment oil-gas separation effect, moreover, the steam generator is simple in structure, change, it is convenient to maintain the absorption cotton, and is swift, and is efficient, and the environmental pollution is improved to the utensil, resources are saved's advantage.

(2) The oil-gas separation and recovery device of the vacuum pump comprises an oil accumulation hopper, an oil pipe, an annular limiting sheet and an annular circulation groove which are matched with each other, when the device is used, the vacuum pump guides air into a tank body through a communication pipe, airflow is divided along the side wall of the oil accumulation hopper under the blocking of the oil accumulation hopper and is guided to the upper part of an inner cavity of the tank body through the air hole, then oil-gas separation is carried out under the filtration of adsorption cotton, oil after separation falls on the oil accumulation hopper to be collected, oil stain is conveniently concentrated on the inner side of the oil accumulation hopper due to the arrangement of a sunken groove, the oil stain is enabled to fall along the inner side wall of an upward protruding groove under the action of gravity, the oil stain is prevented from falling in the communication pipe, the annular circulation groove and the annular limiting sheet are designed to effectively collect the oil stain adhered to the side wall of the oil accumulation hopper so as to drip on the inner side of the annular circulation, is beneficial to the collection of oil stains.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the oil collecting bucket of the present invention;

fig. 3 is a schematic view of the present invention.

In the figure: 1 tank body, 2 communicating pipes, 3 vacuum pumps, 4 air inlet pipes, 5 quick-opening flanges, 6 exhaust pipes, 7 positioning frames, 8 adsorption cotton supporting pipes, 9 adsorption cotton, 10 pressure gauges, 11 oil accumulation hoppers, 12 air holes, 13 sunken grooves, 14 upper protruding grooves, 15 annular limiting sheets, 16 oil discharge holes, 17 oil communicating pipes, 18 oil discharge pipes, 19 oil discharge valves and 20 annular circulating grooves.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: a vacuum pump oil-gas separation recovery device comprises a tank body 1 and a vacuum pump 3, a communicating pipe 2 is fixedly connected at the air inlet at the bottom of the tank body 1, one end of the communicating pipe 2 far away from the tank body 1 is fixedly connected with an exhaust port of the vacuum pump 3, an air inlet pipe 4 is fixedly connected at the air inlet of the vacuum pump 3, a quick-opening flange 5 is fixedly connected at the opening at the top of the tank body 1, the quick-opening flange 5 can adopt a model matched with the top of the tank body 1, the stability of matching between mechanisms is guaranteed, an exhaust pipe 6 is fixedly connected at the opening of the quick-opening flange 5, an absorbent cotton supporting pipe 8 is fixedly connected on the inner side wall of the tank body 1 through a positioning frame 7, absorbent cotton 9 is fixedly installed on the inner side of the absorbent cotton supporting pipe 8, the tank body 1 adopts an AISI304 stainless steel tank body, the material, the aperture of the adsorption cotton supporting tube 8 is 6 mm and is evenly distributed, the adsorption cotton 9 completely covers the inner side wall of the adsorption cotton supporting tube 8, the thickness of the adsorption cotton 9 is 20 mm, a pressure gauge 10 is fixedly connected with a through hole on the right side surface of the tank body 1, the pressure gauge 10 is arranged to monitor the air pressure in the inner cavity of the tank body 1 in real time, so that stable filtration of the air pressure flow of the introduced oil gas is ensured, the adsorption cotton 9 can be effectively replaced in time, an oil accumulation hopper 11 is fixedly arranged below the inner side wall of the tank body 1, the oil accumulation hopper 11 is positioned under the adsorption cotton supporting tube 8, an annular circulation groove 20 is positioned under an annular limiting sheet 15, the oil accumulation hopper 11, the annular limiting sheet 15, the adsorption cotton supporting tube 8 and the center of the tank body 1 are positioned on the same vertical line, the adsorption cotton supporting tube 8 is positioned under an exhaust pipe 6, and an annular side wall of, the air holes 12 are annularly and equidistantly distributed on the top of the side face of the oil accumulation hopper 11, the oil accumulation hopper 11 can be a corrosion-resistant and anti-sticking stainless steel hopper, the bottom of the inner side of the oil accumulation hopper 11 is provided with an undercut groove 13, the bottom of the oil accumulation hopper 11 is provided with an upper convex groove 14, the bottom of the oil accumulation hopper 11 is fixedly connected with an annular limiting sheet 15, an oil discharge hole 16 is formed between the bottom of the inner side of the undercut groove 13 and the top of the inner side of the upper convex groove 14, an oil discharge pipe 18 is fixedly connected with an oil discharge opening at the right side oil discharge opening at the bottom of the tank body 1, an oil through pipe 17 is fixedly connected between the oil discharge hole 16 and the oil discharge opening, an oil discharge valve 19 is fixedly installed on the oil discharge pipe 18, the oil discharge valve 19 is a.

When the device is used, the quick-opening flange 5 is arranged to facilitate the detachment and replacement of the absorbent cotton 9 by an operator, the pressure gauge 10 is arranged to facilitate the operator to observe the air supply pressure inside the tank body 1 to prevent the absorbent cotton 9 from absorbing excessive oil stains to cause the blockage of filter holes and affect the oil-gas separation effect of the device, the vacuum pump 3 guides air into the tank body 1 through the communicating pipe 2, the air flow is divided along the side wall of the oil collecting bucket 11 under the blockage of the oil collecting bucket 11, the air flow is guided to the upper part of the inner cavity of the tank body 1 through the air holes 12, then the oil-gas separation is carried out under the filtration of the absorbent cotton 9, the separated oil falls on the oil collecting bucket 11 to be collected, the oil stains are conveniently concentrated on the inner side of the oil collecting bucket 11 due to the arrangement of the sunken groove 13, and the oil stains in the upward protruding groove 14 fall along the inner side wall of the upward protruding groove 14 under, the design of the annular circulation groove 20 and the annular limiting sheet 15 is to effectively collect the oil stain adhered to the side wall of the oil accumulation bucket 11 and drip on the inner side of the annular circulation groove 20, which is beneficial to collecting the oil stain, when the pressure displayed by the pressure gauge 10 is too large, the quick-opening flange 5 is disassembled, the adsorption cotton 9 is replaced, and the oil accumulated in the oil accumulation bucket 11 is discharged through the oil discharge pipe 18 by opening the oil discharge valve 19.

Claims

1. The utility model provides a vacuum pump oil-gas separation recovery unit, includes jar body (1) and vacuum pump (3), its characterized in that: the bottom air guide port of the tank body (1) is fixedly connected with a communicating pipe (2), one end of the communicating pipe (2) far away from the tank body (1) is fixedly connected with an exhaust port of a vacuum pump (3), an air inlet port of the vacuum pump (3) is fixedly connected with an air inlet pipe (4), a top opening part of the tank body (1) is fixedly connected with a quick-opening flange (5), an exhaust pipe (6) is fixedly connected with an opening part of the quick-opening flange (5), an inner side wall of the tank body (1) is fixedly connected with an adsorption cotton supporting pipe (8) through a positioning frame (7), adsorption cotton (9) is fixedly installed on the inner side of the adsorption cotton supporting pipe (8), a pressure gauge (10) is fixedly connected with a right side through hole of the tank body (1), an oil accumulation hopper (11) is fixedly installed below the inner side wall of the tank body (1), and an air hole, sunken groove (13) have been seted up to the inboard bottom of long-pending oil fill (11), sunken groove (14) have been seted up to the bottom of long-pending oil fill (11), the bottom fixedly connected with annular spacing piece (15) of long-pending oil fill (11), oil drain hole (16) have been seted up between the inboard bottom of sunken groove (13) and the inboard top of last groove (14), the bottom right side oil drain port department fixedly connected with oil drain pipe (18) of the jar body (1), fixedly connected with leads to oil pipe (17) between oil drain hole (16) and the oil drain port, fixed mounting has oil drain valve (19) on oil drain pipe (18), annular circulation groove (20) have been seted up to the inboard bottom of the jar body (1), and the oil drain port is located the annular inboard of annular circulation groove (20).

2. The oil-gas separation and recovery device of the vacuum pump as claimed in claim 1, wherein: the oil accumulation hopper (11) is positioned right below the adsorption cotton supporting tube (8), and the annular circulation groove (20) is positioned right below the annular limiting sheet (15).

3. The oil-gas separation and recovery device of the vacuum pump as claimed in claim 1, wherein: the oil collecting bucket (11), the annular limiting piece (15), the adsorption cotton supporting tube (8) and the tank body (1) are arranged on the same vertical line, and the adsorption cotton supporting tube (8) is located under the exhaust pipe (6).

4. The oil-gas separation and recovery device of the vacuum pump as claimed in claim 1, wherein: jar body (1) adopts the AISI304 stainless steel jar body, and the material wall thickness delta of jar body (1) is 5 millimeters, the side and the bottom of adsorbing cotton stay tube (8) are latticed setting, and the aperture of adsorbing cotton stay tube (8) is 6 millimeters evenly distributed.

5. The oil-gas separation and recovery device of the vacuum pump as claimed in claim 1, wherein: the inner side wall of the adsorption cotton supporting tube (8) is completely covered by the adsorption cotton (9), and the thickness of the adsorption cotton (9) is 20 mm.

6. The oil-gas separation and recovery device of the vacuum pump as claimed in claim 1, wherein: the air holes (12) are annularly and equidistantly distributed at the top of the side surface of the oil accumulation hopper (11), and the oil accumulation hopper (11) can adopt a corrosion-resistant and anti-sticking stainless steel hopper.