CN217187979U

CN217187979U - Locomotive wind source purifier

Info

Publication number: CN217187979U
Application number: CN202220773816.8U
Authority: CN
Inventors: 王兰芳
Original assignee: Xi'an Zhongyuan Electric Co Ltd
Current assignee: Xi'an Zhongyuan Electric Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-16
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a locomotive wind regime purifier, including the casing, be provided with heat exchanger in the casing, be provided with air inlet, gas outlet, pipeline A and pipeline B on the heat exchanger respectively, pipeline A, pipeline B all communicate with mechanical filter, and the top of casing is stretched out to air inlet, gas outlet, is provided with the cooling unit in the mechanical filter, and a part of cooling unit sets up in mechanical filter's outside. The utility model discloses purifier solves the problem that current locomotive wind regime purifier purification performance is weak.

Description

Locomotive wind source purifier

Technical Field

The utility model belongs to the technical field of direct current locomotive wind regime purifies, a locomotive wind regime purifier is related to.

Background

At present, the purifying capacity of a DF type diesel locomotive air source purifying device in China is weak, pressure air purified by a locomotive oil-water separator and a drying tower can not actually meet the requirement that the relative humidity is lower than thirty-five percent, and the phenomena of large water vapor content, standard exceeding of solid particles, rusting, blockage, water condensation, freezing and the like of the inner wall of a braking system pipeline commonly exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a locomotive wind regime purifier solves the problem that current locomotive wind regime purifier purifying power is weak.

The utility model discloses the technical scheme who adopts is, locomotive wind regime purifier, including the casing, be provided with heat exchanger in the casing, be provided with air inlet, gas outlet, pipeline A and pipeline B on the heat exchanger respectively, pipeline A, pipeline B all communicate with mechanical filter, and the top of casing is stretched out to air inlet, gas outlet, is provided with cooling unit in the mechanical filter, and cooling unit's partly sets up in mechanical filter's outside.

The utility model is also characterized in that,

the cooling unit comprises a closed pipeline C, one part of the pipeline C is arranged in the mechanical filter, the other part of the pipeline C is positioned in the shell, and the pipeline C in the shell is provided with a compressor.

And the part of the pipeline C in the shell and the corresponding part of one end far away from the mechanical filter are provided with air cooling.

The bottom of the mechanical filter is connected with one end of a sewage discharge pipe, and the other end of the sewage discharge pipe extends out of the bottom of the shell.

A blow-off valve is arranged on the blow-off pipe.

The beneficial effects of the utility model are that, the utility model discloses locomotive wind regime purifier carries out the second grade to the profit in the locomotive wind regime system and filters to further improve the wind regime quality, steam content, solid particulate matter etc. all meet the standard requirement.

Drawings

FIG. 1 is a schematic structural diagram of a locomotive air source purification device of the present invention;

fig. 2 is an application state diagram of the locomotive air source purification device of the utility model.

In the figure, 1, a shell, 2, a heat exchanger, 3, a mechanical filter, 4, a compressor, 5, air cooling, 6, a blow-off pipe, 7, a blow-off valve, 8, a pipeline C, 9, an air inlet, 10, an air outlet, 11, a pipeline A, 12, a pipeline B, 13, an air compressor, 14, a regeneration cylinder, 15, a drying cylinder, 16, an oil-water separator, 17, a valve E, 18, a valve B, 19, a valve C, 20, a valve D, 21 and a valve A are arranged.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a locomotive wind regime purifier, the structure is as shown in figure 1, including casing 1, be provided with heat exchanger 2 in the casing 1, be provided with air inlet 9 on the heat exchanger 2 respectively, gas outlet 10, pipeline A11 and pipeline B12, pipeline A11, pipeline B12 all communicates with mechanical filter 3, air inlet 9, gas outlet 10 stretches out casing 1's top, be provided with the cooling unit in the mechanical filter 3, a part of cooling unit sets up in mechanical filter 3's outside, mechanical filter 3's bottom is connected with the one end of blow off pipe 6, the bottom of casing 1 is stretched out to the other end of blow off pipe 6, be provided with blowoff valve 7 on the blow off pipe 6.

The cooling unit comprises a closed pipeline C8, one part of the pipeline C8 is arranged in the mechanical filter 3, the other part of the pipeline C8 is arranged in the shell 1, the compressor 4 is arranged on the pipeline C8 in the shell 1, and the part of the pipeline C8 in the shell 1 and corresponding to one end far away from the mechanical filter 3 is provided with an air cooling 5.

An isolation layer exists between the two pipes of the heat exchanger 2, so that the air-tight test is completely qualified even in a hydraulic test, particularly, the leakage phenomenon cannot be generated in the fluctuation or sudden change of pressure and temperature, the safety and the reliability are realized, the heat exchanger is used as a heat exchange source in many applications, the strategic targets of energy conservation and emission reduction are realized, the good effect is achieved, GB 151 and 2014 are executed in a standard mode, the design pressure of the heat exchanger is not more than 35MP, and the allowable use temperature range of GB150.2-2011 listed materials is adopted in designed steel, so that the safety and the reliability are realized.

The compressor 4 adopts built-in over-temperature and over-current protection, the working range of the over-temperature protection is 105-110 ℃, the automatic reset is realized, the automatic control device is adopted in the electric part, the reaction is rapid in failure, the accidents caused by poor performance of the external electric protection under the emergency condition are avoided, the use environment temperature is 70 ℃, and the maximum compression ratio is 12. Meets the standard of CB/T3460-1992 Freon piston refrigeration compressor.

The mechanical filter 3 adopts the condensation cooling principle, the compressed air is further cooled from high-temperature gas, most of water vapor is condensed, and the condensed liquid is collected at the bottom of the mechanical filter. The liquid containing oil stains is discharged in time in the condenser, the condensed liquid and the oil stains are prevented from entering the air source system again, and the mechanical filter 3 executes the GB/T23134-2008 standard, so that the safety and the reliability of the design are ensured.

The utility model discloses the application of locomotive wind regime purifier in locomotive wind regime system is as follows: locomotive wind regime system includes air compressor machine 13, and air compressor machine 13 is connected with valve A21, and valve A21 is connected with regeneration section of thick bamboo 14 respectively, valve B18, and regeneration section of thick bamboo 14 has connected gradually drying cylinder 15, valve C19, and valve B18 and valve C19 are connected with oil water separator 16 through pipeline G1, between drying 15 and the valve C19 through pipeline G2 with purifier's gas outlet is connected, is provided with valve D20 on the pipeline G2, just is located valve C19 on the pipeline G1, locate between the oil water separator 16 through pipeline G3 with the utility model discloses purifier's air inlet is connected, is provided with valve E17 on the pipeline G3.

The utility model discloses locomotive wind regime purifier's theory of operation does: what adopt is air compression refrigeration separation principle, the compressed air who contains oil gas that pumps from locomotive air compressor machine gets into through air inlet 9 the utility model discloses purifier's heat exchanger 2 carries out the heat exchange with the low temperature compressed air that has dried, carries out the precooling, and pressurized air after the precooling gets into the mechanical filter 3 who is equipped with the refrigerant, carries out the physics cooling, with most vapor condensation, vapor after the condensation, greasy dirt collect in mechanical filter 3 bottoms, through control blowoff valve 7, and periodic discharge, pressurized air after the cooling drying gets into locomotive drying tower from gas outlet 10 through heat exchanger 2, further carries out the drying.

The granularity is 0.1-5um in the pressurized air that the air compressor machine pumped, and gaseous oil content is about 5mg/m3 behind oil and gas separator, through the utility model discloses the granularity is <0.1um, oil content <0.3PPM after the device purifies, and relative humidity RH ≦ 10%, has promoted an order of magnitude in the precision.

Claims

1. The locomotive air source purification device is characterized by comprising a shell (1), wherein a heat exchanger (2) is arranged in the shell (1), an air inlet (9), an air outlet (10), a pipeline A (11) and a pipeline B (12) are respectively arranged on the heat exchanger (2), the pipeline A (11) and the pipeline B (12) are communicated with a mechanical filter (3), the air inlet (9) and the air outlet (10) extend out of the top of the shell (1), a cooling unit is arranged in the mechanical filter (3), and one part of the cooling unit is arranged outside the mechanical filter (3).

2. The locomotive wind regime purification arrangement according to claim 1, wherein the cooling unit comprises a closed circuit C (8), a portion of the circuit C (8) being arranged within the mechanical filter (3), another portion of the circuit C (8) being located within the housing (1), the circuit C (8) located within the housing (1) being provided with a compressor (4).

3. Locomotive air supply purification device according to claim 2, characterized in that the pipe C (8) is provided with an air cooling (5) at the portion inside the housing (1) and at the end corresponding to the portion far from the mechanical filter (3).

4. The locomotive air supply purification device according to claim 1, wherein the bottom of the mechanical filter (3) is connected with one end of a sewage pipe (6), and the other end of the sewage pipe (6) extends out of the bottom of the shell (1).

5. A locomotive air supply purification device according to claim 4, characterized in that a blowdown valve (7) is arranged on the blowdown pipe (6).