CN218653769U

CN218653769U - Plasma exhaust-gas treatment equipment for petroleum processing

Info

Publication number: CN218653769U
Application number: CN202222753154.0U
Authority: CN
Inventors: 昌文宝
Original assignee: Wuxi Jiuteng Environmental Technology Co ltd
Current assignee: Wuxi Jiuteng Environmental Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-21
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a plasma exhaust-gas treatment equipment for petroleum processing belongs to waste gas treatment technical field, including the exhaust-gas purification cover, be provided with high-voltage current generating device on the exhaust-gas purification cover, the connector has all been seted up to the relative both ends lateral wall of exhaust-gas purification cover, the connector is connected with the waste gas intake pipe, the connector that is located the other end is connected with the waste gas outlet duct, waste gas intake pipe one end is connected with the suction fan, exhaust-gas purification cover one end is provided with servo motor, servo motor is connected with the drive shaft through intermittent type transmission subassembly, the drive shaft runs through to in the exhaust-gas purification cover, and fixedly connected with drive sleeve, be provided with fixed separation dish on the drive sleeve, the drive sleeve lateral wall is connected with the rotation separation dish through reset assembly. The utility model discloses design exhaust gas purification cover to the degradation of waste gas low temperature plasma, utilize high tension current to carry out high-pressure charging to the electron in the waste gas to make its reaction finally reach the effective purification to the poisonous and harmful gas in the waste gas.

Description

Plasma exhaust-gas treatment equipment for petroleum processing

Technical Field

The utility model relates to a waste gas treatment technical field especially relates to a plasma exhaust-gas treatment equipment for petroleum processing.

Background

A certain amount of toxic and harmful gases are generated in the petroleum refining process, and the processing capacity of a petroleum refining device is generally megaton, so that the exhaust emission is large, the pollutant components are complex, the toxicity is strong, the types are multiple, the emission is concentrated, and the harmfulness is very large. The conventional waste gas treatment method has extremely high treatment cost and complex treatment flow;

the low-temperature plasma is a substance fourth state following solid, liquid and gas states, when an external voltage reaches the discharge voltage of the gas, the gas is broken down to generate a mixture comprising electrons, various ions, atoms and free radicals, the pollutants are degraded by the low-temperature plasma, the pollutant molecules are decomposed within a very short time by utilizing the active particles of the high-energy electrons, the free radicals and the like and the pollutant action in the waste gas, and various subsequent reactions are carried out to achieve the purpose of degrading the pollutants.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of reasonable utilization low temperature plasma technique realization going on handling waste gas, and the plasma exhaust-gas treatment equipment for oil processing who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plasma exhaust-gas treatment equipment for petroleum processing, includes the exhaust-gas purification cover, the last high tension current generating device that is provided with of exhaust-gas purification cover, the connector has all been seted up to the relative both ends lateral wall of exhaust-gas purification cover, is located one end the connector is connected with the waste gas intake pipe, is located the other end the connector is connected with the waste gas outlet duct, waste gas intake pipe one end is connected with the suction fan, exhaust-gas purification cover one end is provided with the mount pad, be provided with servo motor on the mount pad, servo motor is connected with the drive shaft through intermittent type transmission subassembly, the drive shaft runs through to in the exhaust-gas purification cover to fixedly connected with drive sleeve, the last fixed separation dish that is provided with of drive sleeve, be located fixed separation dish one side the drive sleeve lateral wall is connected with the rotation separation dish through reset assembly, the last trigger assembly that is provided with of exhaust-gas purification cover.

Preferably, the high-voltage current generating device comprises a high-voltage electrode plate and a ground electrode plate which are arranged on the side wall of the exhaust gas purification cover, and the high-voltage electrode plate and the ground electrode plate are both arranged in a fan shape.

Preferably, the intermittent drive assembly comprises a rotating shaft fixedly connected to the output end of the servo motor, an adaptive disc and an L-shaped driving column are fixedly connected to the end of the rotating shaft, and an intermittent disc is fixedly connected to the end of the driving shaft.

Preferably, the reset assembly comprises an arc-shaped opening formed in the outer side wall of the driving sleeve, an arc-shaped guide pillar is fixedly connected in the arc-shaped opening, a reset block sleeved with the arc-shaped guide pillar is fixedly connected to the end of the rotary isolation plate, and the reset block is connected with the inner wall of the arc-shaped opening through a contact spring sleeved on the arc-shaped guide pillar.

Preferably, the trigger assembly comprises a U-shaped trigger fixture block, the U-shaped trigger fixture block penetrates through the side wall of the exhaust gas purification hood and extends inwards, the end part of the U-shaped trigger fixture block located above the U-shaped trigger fixture block is obliquely arranged, a notch is formed in the fixed separation disc, and a rubber block is arranged in the notch.

Preferably, the U-shaped trigger fixture block is connected with a connecting block through a tension spring, the connecting block is in sliding contact with the U-shaped trigger fixture block, and the connecting block is fixedly connected to the side wall of the exhaust gas purification cover.

Preferably, the outer side walls of the rotating separation disc and the fixed separation disc are provided with rubber sealing strips which are abutted to the exhaust gas purification cover.

Preferably, be provided with the oxygen admission pipe that is the slope setting on the waste gas intake pipe lateral wall, waste gas intake pipe and waste gas outlet duct both ends all are provided with pipeline flange.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this scheme designs exhaust gas purification cover to waste gas low temperature plasma degradation, utilizes high tension current to carry out high voltage charging to the electron in the waste gas to make its reaction finally reach the effective purification to the poisonous and harmful gas in the waste gas.

2. This scheme is carried in carrying out waste gas branch partition through the separation disc that sets up in exhaust gas purification cover and is carried, and the waste gas in the different intervals is sealed each other, guarantees to be in encapsulated situation when carrying out high-voltage discharge to waste gas to can guarantee when discharging to the abundant emission of the waste gas after the purification, improve whole equipment's purification efficiency.

Drawings

Fig. 1 is a schematic perspective view of a plasma waste gas treatment device for petroleum processing according to the present invention;

FIG. 2 is a schematic structural view of a cross section of a main body of a plasma waste gas treatment device for petroleum processing according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the internal structure of the exhaust gas purifying hood of the plasma exhaust gas treatment device for petroleum processing according to the present invention;

FIG. 5 is a schematic structural view of an intermittent transmission assembly of the plasma waste gas treatment equipment for petroleum processing according to the present invention;

fig. 6 is the utility model provides a structural schematic diagram of U type trigger fixture block among plasma exhaust-gas treatment equipment for oil processing.

In the figure: 1. an exhaust gas purification hood; 2. a high-voltage current generating device; 3. an exhaust gas inlet pipe; 4. An exhaust gas outlet pipe; 5. an air suction fan; 6. a mounting seat; 7. a servo motor; 8. a drive shaft; 9. a drive sleeve; 10. fixing the separation disc; 11. rotating the separation disc; 12. an adapter plate; 13. An L-shaped drive column; 14. a batch pan; 15. an arc-shaped guide post; 16. a reset block; 17. a U-shaped trigger fixture block; 18. a rubber block; 19. connecting blocks; 20. an oxygen inlet pipe; 21. the pipeline is connected with a flange.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Examples

Referring to fig. 1-6, a plasma waste gas treatment device for petroleum processing comprises a waste gas purification cover 1, wherein a high-voltage current generation device 2 is arranged on the waste gas purification cover 1, the high-voltage current generation device 2 comprises a high-voltage electrode plate and a grounding electrode plate which are arranged on the side wall of the waste gas purification cover 1, and the high-voltage electrode plate and the grounding electrode plate are both arranged in a fan shape;

the high voltage electricity generated by the high voltage electrode plate can effectively realize effective high voltage discharge to the waste gas in the space, electrons obtain energy from an electric field, the energy is converted into internal energy or kinetic energy of pollutant molecules through collision, the molecules obtaining the energy are excited or ionized to form active groups, and simultaneously oxygen and moisture in the air can also generate a large amount of nascent state hydrogen, ozone, hydroxyl oxygen and other active groups under the action of high-energy electrons.

The reaction process of the low-temperature plasma waste gas treatment is roughly as follows:

(1) Electric field + electrons → energetic electrons

(2).

(3) Active group + oxygen → product + heat

(4) Active group + active group → product + heat

The side walls of two opposite ends of the waste gas purification cover 1 are respectively provided with a connecting port, the connecting port at one end is connected with a waste gas inlet pipe 3, the connecting port at the other end is connected with a waste gas outlet pipe 4, one end of the waste gas inlet pipe 3 is connected with an air suction fan 5, one end of the waste gas purification cover 1 is provided with a mounting seat 6, the mounting seat 6 is provided with a servo motor 7, the servo motor 7 is in the prior art and has the type number of KYDAS96300-5E, detailed description is omitted, the servo motor 7 is connected with a driving shaft 8 through an intermittent transmission assembly, further, the intermittent transmission assembly comprises a rotating shaft fixedly connected to the output end of the servo motor 7, the end of the rotating shaft is fixedly connected with an adapter disc 12 and an L-shaped driving column 13, and the end of the driving shaft 8 is fixedly connected with an intermittent disc 14;

it is worth noting that the intermittent disc 14 is provided with a matching port for matching the adaptive disc 12 and the L-shaped driving column 13, and referring to fig. 5 in particular, the advantage is that when the intermittent disc 14 is used, the rotating shaft rotates continuously, the driving shaft 8 connected with the intermittent disc 14 rotates intermittently under the action of the adaptive disc 12 and the L-shaped driving column 13, and when the intermittent disc stops, the high-voltage current generating device 2 can be ensured to perform high-voltage discharge waste gas treatment.

The driving shaft 8 penetrates into the waste gas purifying cover 1 and is fixedly connected with a driving sleeve 9, a fixed separation disc 10 is arranged on the driving sleeve 9, the outer side wall of the driving sleeve 9 positioned on one side of the fixed separation disc 10 is connected with a rotating separation disc 11 through a reset assembly, further, the reset assembly comprises an arc-shaped opening arranged on the outer side wall of the driving sleeve 9, an arc-shaped guide post 15 is fixedly connected in the arc-shaped opening, the end part of the rotating separation disc 11 is fixedly connected with a reset block 16 which is sleeved with the arc-shaped guide post 15, the reset block 16 is connected with the inner wall of the arc-shaped opening through a contact spring sleeved on the arc-shaped guide post 15,

it is worth noting that the outer side walls of the rotary separation disc 11 and the fixed separation disc 10 are both provided with rubber sealing strips which are abutted against the exhaust gas purification cover 1, so that the rotary separation disc 11 and the fixed separation disc 10 can effectively achieve the sealing effect with the exhaust gas purification cover 1, and the chambers are ensured not to be communicated with each other;

the waste gas purification cover 1 is provided with a trigger component; further, the triggering assembly comprises a U-shaped triggering fixture block 17, the U-shaped triggering fixture block 17 penetrates through the side wall of the exhaust gas purification cover 1 and extends inwards, the end part of the U-shaped triggering fixture block 17 positioned above the U-shaped triggering fixture block is obliquely arranged, a notch is formed in the fixed isolation disc 10, a rubber block 18 is arranged in the notch, the rubber block 18 can reduce friction between the U-shaped triggering fixture block and the fixed isolation disc, the sealing effect is ensured, the U-shaped triggering fixture block 17 is connected with a connecting block 19 through a tension spring, and the connecting block 19 is in sliding contact with the U-shaped triggering fixture block 17 and is fixedly connected to the side wall of the exhaust gas purification cover 1;

it is worth noting that a connector for the U-shaped trigger fixture block 17 to penetrate through is formed in the side wall of the exhaust gas purification cover 1, and the connecting block 19 applies inward pressure to the U-shaped trigger fixture block 17 through a tension spring, so that the U-shaped trigger fixture block 17 can limit the fixed isolation disc 10 and the rotating isolation disc 11 when not being triggered to contract.

Furtherly, be provided with the oxygen admission pipe 20 that is the slope setting on the 3 lateral walls of waste gas intake pipe, waste gas intake pipe 3 and 4 both ends of waste gas outlet duct all are provided with pipeline flange 21, and the entering of oxygen in this scheme can direct external oxygen hose, also can be through inhaling the negative pressure effect that 5 high-speed transport air flows of breathing in fan produced, will be located the gas suction of oxygen admission pipe 20 in the waste gas intake pipe 3.

This equipment is in the processing to waste gas, be connected waste gas pipe one end that 3 one ends in the waste gas intake pipe and petroleum processing produced, carry waste gas under the effect of air suction fan 5 and cover 1 department with waste gas purification, at this moment, the sealed cavity that fixed separation disc 10 at 3 one ends in the waste gas intake pipe constitutes can get into waste gas, when drive sleeve 9 under the drive of servo motor 7 rotates, can carry waste gas to high-voltage current generating device 2 department, waste gas in the confined space here can be exerted electron by the electric field that high-voltage electrode board and ground electrode board produced, and realize reacting active group in the waste gas with oxygen under a series of reactions, and then generate new resultant, realize following chemical reaction process:

CS2+3O2→CO2+CO+2SO2；

2H2S+3O2→2H2O+2SO2；

the waste gas after being treated by plasma is conveyed by the separation disc, when the fixed separation disc 10 and the rotating separation disc 11 move to the position of the U-shaped trigger fixture block 17, the fixed separation disc 10 can be firstly contacted with the inclined end part, so that the U-shaped trigger fixture block 17 retracts to smoothly pass through one end, and can be contacted with the other end of the U-shaped trigger fixture block 17 to be blocked, when the fixed separation disc 10 is blocked, the rotating separation disc 11 just contacts with the inclined end of the U-shaped trigger fixture block 17, at the moment, the U-shaped trigger fixture block 17 can contract, so that the fixed separation disc 10 in one group can pass through the fixed separation disc, the rotating separation disc 11 cannot pass through the fixed separation disc, the blocked rotating separation disc 11 can rotate on the arc-shaped guide pillar 15 on the driving sleeve 9 and gradually approaches to the fixed separation disc 10 in the other group, and the waste gas treated and purified in the fixed separation disc can be discharged to the waste gas outlet pipe 4 in the process, and in the circulating process, the effect of carrying out ion purification treatment on the waste gas alone can be effectively realized, and the full purification treatment on the waste gas can be ensured.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a plasma exhaust-gas treatment equipment for petroleum processing, includes exhaust-gas purification cover (1), its characterized in that, be provided with high-voltage current generating device (2) on exhaust-gas purification cover (1), the connector has all been seted up to the relative both ends lateral wall of exhaust-gas purification cover (1), is located one end the connector is connected with waste gas intake pipe (3), is located the other end the connector is connected with waste gas outlet duct (4), waste gas intake pipe (3) one end is connected with suction fan (5), exhaust-gas purification cover (1) one end is provided with mount pad (6), be provided with servo motor (7) on mount pad (6), servo motor (7) are connected with drive shaft (8) through intermittent type drive subassembly, drive shaft (8) run through to in exhaust-gas purification cover (1) to fixedly connected with driving sleeve (9), be provided with on driving sleeve (9) isolation dish (10), be located fixed isolation dish (10) one side driving sleeve (9) lateral wall is connected with through reset assembly and rotates isolation dish (11), be provided with the trigger assembly on exhaust-gas purification cover (1).

2. The plasma exhaust-gas treatment equipment for petroleum processing according to claim 1, wherein the high-voltage current generating device (2) comprises a high-voltage electrode plate and a ground electrode plate which are arranged on the side wall of the exhaust-gas purification hood (1), and the high-voltage electrode plate and the ground electrode plate are arranged in a fan shape.

3. The plasma waste gas treatment equipment for petroleum processing according to claim 1, characterized in that the intermittent transmission assembly comprises a rotating shaft fixedly connected with the output end of the servo motor (7), the end part of the rotating shaft is fixedly connected with an adaptive disc (12) and an L-shaped driving column (13), and the end part of the driving shaft (8) is fixedly connected with an intermittent disc (14).

4. The plasma waste gas treatment equipment for petroleum processing as claimed in claim 1, wherein the reset assembly comprises an arc-shaped opening formed on the outer side wall of the driving sleeve (9), an arc-shaped guide post (15) is fixedly connected in the arc-shaped opening, a reset block (16) sleeved with the arc-shaped guide post (15) is fixedly connected to the end of the rotating separation disc (11), and the reset block (16) is connected with the inner wall of the arc-shaped opening through a collision spring sleeved on the arc-shaped guide post (15).

5. The plasma waste gas treatment equipment for petroleum processing according to claim 1, wherein the trigger assembly comprises a U-shaped trigger fixture block (17), the U-shaped trigger fixture block (17) penetrates through the side wall of the waste gas purification cover (1) and extends inwards, the end part of the U-shaped trigger fixture block (17) positioned above the U-shaped trigger fixture block is obliquely arranged, a notch is formed in the fixed isolation disc (10), and a rubber block (18) is arranged in the notch.

6. The plasma waste gas treatment equipment for petroleum processing as claimed in claim 5, wherein the U-shaped trigger block (17) is connected with a connecting block (19) through a tension spring, and the connecting block (19) is in sliding contact with the U-shaped trigger block (17) and is fixedly connected to the side wall of the waste gas purification cover (1).

7. The plasma waste gas treatment equipment for petroleum processing according to claim 1, wherein the outer side walls of the rotating separation disc (11) and the fixed separation disc (10) are provided with rubber sealing strips which are in contact with the waste gas purification cover (1).

8. The plasma waste gas treatment equipment for petroleum processing as claimed in claim 1, wherein the side wall of the waste gas inlet pipe (3) is provided with an oxygen inlet pipe (20) which is arranged obliquely, and two ends of the waste gas inlet pipe (3) and two ends of the waste gas outlet pipe (4) are provided with pipeline connecting flanges (21).