CN218493662U

CN218493662U - DPF regeneration device based on combination of throttle control and vortex tube heating

Info

Publication number: CN218493662U
Application number: CN202222090155.1U
Authority: CN
Inventors: 向立明; 苏继龙; 李会利; 焦运景
Original assignee: Sanhe Keda Science & Technology Co ltd
Current assignee: Sanhe Keda Science & Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-02-17
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a DPF regenerating unit based on throttle control combines together with vortex tube heating, including particulate filter core, gas, vortex tube cold junction blast pipe check valve, vortex tube vortex generator, vortex tube cold junction blast pipe, engine intake pipe, automatically controlled throttle, air cleaner, regenerating unit the control unit, air compressor, compressed air gas holder, relief valve, solenoid valve, spiral intake pipe, vortex tube hot junction governing valve, first temperature sensor, pressure sensor, high-temperature gas, second temperature sensor and second pressure sensor, air cleaner fixed connection is in the one end of engine intake pipe. The utility model discloses the vortex pipe leads to compressed air and produces diesel oil burning in the high temperature messenger exhaust, and burning soot particulate matter makes DPF can regenerate in the high temperature gas stream advances the particulate filter core to this device simple structure, the accurate low in production cost of control.

Description

DPF regeneration device based on combination of throttle control and vortex tube heating

Technical Field

The utility model relates to a diesel engine exhaust emissions technical field specifically is a DPF regenerating unit based on throttle control combines together with the vortex tube heating.

Background

The diesel engine has strong dynamic property, good economical efficiency and high thermal efficiency, and various commercial vehicles on roads and various non-road construction machines widely adopt the diesel engine as a power device. The combustion mode of diesel engine mainly is diffusion combustion, and the oil atomizer erupts the oil mist in the combustion chamber, and its central part is difficult to the contact air, leads to incomplete combustion discharge a large amount of soot particulate matters, therefore the carbon particulate matter emission of diesel engine is very serious, pollutes atmospheric environment and people's is healthy. With the stricter and stricter national emission regulations, the limit value of the soot particulate emission of the diesel engine is lower and lower, and the amount of soot particulate collected by a particulate filter (DPF) of the diesel engine is higher and higher, so that the exhaust backpressure of the diesel engine is too high when the soot particulate is accumulated to a certain degree in the DPF, the dynamic property and the economical efficiency are affected, and the DPF must be regenerated, so that a device is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a DPF regenerating unit based on throttle valve control combines together with vortex tube heating to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a DPF regeneration device based on combination of throttle control and vortex tube heating comprises a particle filter element, gas, a vortex tube cold end exhaust pipe one-way valve, a vortex tube vortex generator, a vortex tube cold end exhaust pipe, an engine intake pipe, an electric control throttle valve, an air filter, a regeneration device control unit, an air compressor, a compressed air storage tank, a safety valve, an electromagnetic valve, a spiral intake pipe, a vortex tube hot end adjusting valve, a first temperature sensor, a pressure sensor, high-temperature gas, a second temperature sensor and a second pressure sensor, wherein the air filter is fixedly connected to one end of the engine intake pipe, the engine is fixedly connected to the other end of the engine intake pipe, the electric control throttle valve is fixedly installed inside the engine intake pipe, and the regeneration device control unit is arranged on the outer side of the engine intake pipe, and the regenerating unit control unit is connected with the electric control throttle valve through wireless signals, the air enters the air filter through the internal flow, the particle filter element is fixedly arranged on the inner wall of one side of the engine far away from the engine air inlet pipe, the vortex tube vortex generator is fixedly arranged between the particle filter element and the engine, the engine exhaust generated on the engine moves towards the direction of the particle filter element, the vortex tube cold end exhaust pipe is fixedly arranged on the vortex tube vortex generator, the vortex tube cold end exhaust pipe one-way valve is fixedly connected on the vortex tube cold end exhaust pipe, the gas is conveyed inside the vortex tube cold end exhaust pipe, the spiral air inlet pipe is fixedly connected with the vortex tube vortex generator, the air compressor is fixedly connected with one side of the engine, the compressed air storage tank is fixedly connected with the air compressor, the safety valve and the electromagnetic valve are fixedly connected with the compressed air storage tank, the first temperature sensor and the pressure sensor are fixedly arranged on one side of the particle filter element, the hot end of the vortex tube is fixedly connected to one end, away from the cold end exhaust pipe of the vortex tube, of the vortex tube vortex generator, the second temperature sensor and the second pressure sensor are fixedly arranged on the other side of the particle filter element, discharged gas in the hot end of the vortex tube is high-temperature gas, and waste gas formed after the high-temperature gas is filtered by the particle filter element is discharged from the tail end of the engine.

Preferably, the gas is discharged from the cold end of the vortex tube cold end exhaust pipe.

Preferably, the first temperature sensor and the pressure sensor are provided at a front end position of the particulate filter cartridge.

Preferably, the second temperature sensor and the second pressure sensor are arranged at a rear end position of the particulate filter cartridge.

Preferably, the spiral inlet pipe is in contact with high-temperature gas.

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

the utility model discloses a granular filter cartridge regenerating unit that automatically controlled throttle control and vortex tube heating combined together, automatically controlled throttle valve part are closed and are produced dense mixture, and partial diesel oil does not have the complete combustion in the dense mixture and flows into the blast pipe, and the vortex tube leads to compressed air to produce diesel oil burning in the high temperature makes the exhaust, and burning soot particulate matter makes DPF can regenerate in the high temperature gas stream advances the granular filter cartridge to this device simple structure, control accurate low in production cost.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention.

In the figure: 1-exhaust gas; 2-a particulate filter cartridge; 3-gas; 4-vortex tube cold end exhaust pipe check valve; 5-vortex tube vortex generator; 6-vortex tube cold end exhaust pipe; 7-engine exhaust; 8-an engine; 9-an engine intake pipe; 10-an electrically controlled throttle; 11-an air filter; 12-air; 13-a regeneration device control unit; 14-an air compressor; 15-compressed air storage tank; 16-a safety valve; 17-a solenoid valve; 18-a spiral air inlet pipe; 19-vortex tube hot end; 20-vortex tube hot end regulating valve; 21-a first temperature sensor; 22-a pressure sensor; 23-high temperature gas; 24-a second temperature sensor; 25-second pressure sensor.

Detailed Description

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

Referring to fig. 1, the present invention provides an embodiment: a DPF regeneration device based on combination of throttle control and vortex tube heating comprises a particle filter element 2, gas 3, a vortex tube cold end exhaust pipe one-way valve 4, a vortex tube vortex generator 5, a vortex tube cold end exhaust pipe 6, an engine 8, an engine intake pipe 9, an electronic control throttle valve 10, an air filter 11, a regeneration device control unit 13, an air compressor 14, a compressed air storage tank 15, a safety valve 16, an electromagnetic valve 17, a spiral intake pipe 18, a vortex tube hot end 19, a vortex tube hot end regulating valve 20, a first temperature sensor 21, a pressure sensor 22, high-temperature gas 23, a second temperature sensor 24 and a second pressure sensor 25, wherein the air filter 11 is fixedly connected to one end of the engine intake pipe 9, the engine 8 is fixedly connected to the other end of the engine intake pipe 9, the electronic control throttle valve 10 is fixedly installed inside the engine intake pipe 9, the regeneration device control unit 13 is arranged outside the engine intake pipe 9, the regeneration device control unit 13 is in wireless signal connection with the electronic control unit 10, the air filter 11 flows into the air 12, the particle filter element 2 is fixedly arranged on the inner wall of one side of the engine 8 far away from the engine 9, the vortex tube 5 is fixedly installed on the vortex tube 5, the vortex tube 6 is fixedly installed on the vortex tube 6, the vortex tube 3 is connected to the exhaust pipe 7, the vortex tube 6, the vortex tube 3, the device is characterized in that an air compressor 14 is fixedly connected to one side of an engine 8, a compressed air storage tank 15 is fixedly connected with the air compressor 14, a safety valve 16 and an electromagnetic valve 17 are fixedly connected with the compressed air storage tank 15, a first temperature sensor 21 and a pressure sensor 22 are fixedly arranged on one side of a particle filter element 2, a vortex tube hot end 19 is fixedly connected to one end, away from a vortex tube cold end exhaust pipe 6, of a vortex tube vortex generator 5, a second temperature sensor 24 and a second pressure sensor 25 are fixedly arranged on the other side of the particle filter element 2, exhaust gas in the vortex tube hot end 19 is high-temperature gas 23, exhaust gas 1 formed after the high-temperature gas 23 is filtered by the particle filter element 2 is exhausted from the tail end of the engine 8, the device adopts an electric control throttle valve 10 to control a particle filter element 2 regeneration device combined with vortex tube heating, the electric control throttle valve 10 is partially closed to generate a thick mixed gas, no diesel oil is completely combusted in the thick mixed gas and flows into the exhaust pipe, the vortex tube generates high temperature through the compressed air to combust the diesel oil in the exhaust gas, the high-temperature gas flows into the particle filter element 2 to regenerate soot particles, and the device is simple in the device, and the device is controlled and accurate production cost is low.

Gas 3 is discharged from the cold end of the vortex tube cold end gas outlet tube 6, a first temperature sensor 21 and a pressure sensor 22 are provided at the front end position of the particulate filter cartridge 2, a second temperature sensor 24 and a second pressure sensor 25 are provided at the rear end position of the particulate filter cartridge 2, and a spiral gas inlet tube 18 is in contact with high temperature gas 23.

The working principle is as follows: the device comprises a control system, a control circuit and a sensor, wherein the sensor is provided with a temperature sensor and a pressure sensor, the control system is a control center of the whole regeneration device, the regeneration system comprises a particle filter element 2, an electric control throttle 10 controls the air inflow of an engine 8 when in work, a vortex tube heating system, an air compressor 14 is driven by the engine to generate high-pressure gas, the high-pressure gas is stored in a compressed air storage tank 15, an electromagnetic valve 17 controls the compressed air storage tank 15 to supply air to a vortex tube vortex generator 5, the vortex tube vortex generator 5 generates high-temperature exhaust at a vortex tube hot end 19 after being supplied with the high-pressure gas, a cold end exhaust pipe 6 of the vortex tube generates cold air, the inner wall of the vortex tube hot end 19 is treated to improve the roughness of the inner wall of the hot end pipe so as to increase the friction between the high-pressure gas and the inner wall and improve the exhaust temperature, a high-pressure gas inlet of the vortex tube is connected with a section of metal spiral air inlet pipe 18, the spiral air inlet pipe 18 is in contact with the high-temperature exhaust of the engine 8, the high-temperature exhaust pipe 18 can heat the high-temperature exhaust gas flowing into the spiral air inlet pipe so as to improve the exhaust temperature of the exhaust pipe 19, the exhaust pipe 4 of the vortex tube, the vortex tube is connected with a one-way exhaust pipe 4, the diesel engine, the exhaust pipe, the air can only when the particle filter element 2 is not ignited, the high-temperature exhaust pipe can be ignited, the particle filter element, the high-temperature exhaust pipe, the vortex tube 2 can be ignited, the cold end filter element, the diesel engine can be ignited, the cold end filter element, and the diesel engine can be ignited, the first temperature sensor 21 and the pressure sensor 22, the second temperature sensor 24 and the second pressure sensor 25 transmit signals to the control system, the regeneration device control unit 13 sends out a command electromagnetic valve 17 to be switched on, high-pressure gas in the compressed air storage tank 15 flows into the vortex tube vortex generator 5 in an accelerated manner while being heated through the spiral air inlet pipe 18, the high-pressure gas separates high-temperature gas and low-temperature gas through the vortex tube, the low-temperature gas is exhausted into the atmosphere through the vortex tube cold end exhaust pipe 6, the vortex tube hot end 19 exhausts the high-temperature gas, then the control system sends out a command to control the electric throttle valve 10 to be closed under the driving of the motor, as the electric throttle valve 10 in the engine air inlet pipe 9 is closed, the air inlet flow is reduced, the concentration of mixed gas in a combustion chamber of the engine 8 is concentrated, part of non-combusted diesel oil flows into the engine air inlet pipe 9 along with exhaust gas, when the high-temperature gas exhausted from the hot end vortex tube 19 is contacted, the diesel oil in the exhaust gas is ignited and combusted, the generated high-temperature gas 23 flows into a pore channel of the particle filter element 2, soot particles deposited in the particle filter element 2 are combusted, the particle filter element 2, and the particle filter element 2 is regenerated, and the normal work of the mechanical work is not influenced in the regeneration process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a DPF regeneration device based on throttle control combines together with vortex tube heating, including particulate filter core (2), gas (3), vortex tube cold junction blast pipe check valve (4), vortex tube vortex generator (5), vortex tube cold junction blast pipe (6), engine (8), engine intake pipe (9), automatically controlled throttle (10), air cleaner (11), regeneration device the control unit (13), air compressor (14), compressed air gas holder (15), relief valve (16), solenoid valve (17), spiral intake pipe (18), vortex tube hot junction (19), vortex tube hot junction governing valve (20), first temperature sensor (21), pressure sensor (22), high-temperature gas (23), second temperature sensor (24) and second pressure sensor (25), its characterized in that: air cleaner (11) fixed connection is in the one end of engine intake pipe (9), engine (8) fixed connection is at the other end of engine intake pipe (9), automatically controlled choke valve (10) fixed mounting is in the inside of engine intake pipe (9), regenerating unit control unit (13) set up the outside in engine intake pipe (9), just radio signal connection between regenerating unit control unit (13) and automatically controlled choke valve (10), the inside flow of air cleaner (11) has got into air (12), particle filter core (2) is fixed to be established and is kept away from one side inner wall of engine intake pipe (9) in engine (8), vortex tube vortex generator (5) fixed mounting is between particle filter core (2) and engine (8), engine exhaust (7) that produce on engine (8) move to the direction of particle filter core (2), vortex tube (6) fixed mounting is on vortex tube generator (5), vortex tube check valve (4) fixed connection is on blast pipe (6), the inside transport of blast pipe (6) has gas vortex tube (3) to connect with cold junction vortex tube (18), the air compressor (14) is fixedly connected to one side of an engine (8), the compressed air storage tank (15) is fixedly connected with the air compressor (14), the safety valve (16) and the electromagnetic valve (17) are fixedly connected with the compressed air storage tank (15), the first temperature sensor (21) and the pressure sensor (22) are fixedly arranged on one side of the particle filter element (2), the vortex tube hot end (19) is fixedly connected to one end, away from the vortex tube cold end exhaust pipe (6), of the vortex tube vortex generator (5), the second temperature sensor (24) and the second pressure sensor (25) are fixedly arranged on the other side of the particle filter element (2), discharged gas in the vortex tube hot end (19) is high-temperature gas (23), and waste gas (1) formed after the high-temperature gas (23) is filtered by the particle filter element (2) is discharged from the tail end of the engine (8).

2. A DPF regeneration device based on throttle control combined with vortex tube heating as claimed in claim 1, characterized in that: and the gas (3) is discharged from the cold end of the vortex tube cold end exhaust pipe (6).

3. A DPF regeneration device based on throttle control combined with vortex tube heating according to claim 2, characterized in that: the first temperature sensor (21) and the pressure sensor (22) are arranged at a front end position of the particulate filter cartridge (2).

4. A DPF regeneration device based on throttle control combined with vortex tube heating according to claim 3, characterized in that: the second temperature sensor (24) and the second pressure sensor (25) are arranged at a rear end position of the particulate filter cartridge (2).

5. A DPF regeneration device based on throttle control combined with vortex tube heating as claimed in claim 4, wherein: the spiral air inlet pipe (18) is in contact with high-temperature gas (23).