CN2890197Y

CN2890197Y - Vacuum feces collecting device for use in plateau section

Info

Publication number: CN2890197Y
Application number: CN 200520126609
Authority: CN
Inventors: 张业明; 宋彬; 姜毅; 殷泉; 姜军; 费志华; 刘新宇; 王艳; 左彦东; 郑金霞
Original assignee: Shandong Huateng Environmental Protection Automation Co Ltd
Current assignee: Shandong Huateng Environmental Protection Automation Co Ltd
Priority date: 2005-12-27
Filing date: 2005-12-27
Publication date: 2007-04-18
Anticipated expiration: 2015-12-27

Abstract

A vacuum feces collecting device for use in plateau section belongs to sanitation equipment, mainly solves the problem of vacuum formation in plateau section of vacuum feces collecting device. The device comprises closet components, vacuum components and a sewer container. The device is characterized in that the sewage container is divided into two container units by a partition plate, each container unit is arranged a vacuum component on its top and at the bottom of the partition plate is arranged a single valve. The closet components are connected with one of the two container units in the sewage container via a drainage valve and a pipeline. The container unit is arranged with a high and a low liquid level switches, on the top of the high liquid level switch is arranged an air ventilation valve communicated with the atmosphere; the other container unit is also arranged with a high and a low liquid level switches, and the sewage drain pipe is connected on the stop valve and the fast joint outside the container. The device, by separating the sewage container into two container units and formation of vacuum in a small container space, narrows the time for formation of vacuum and effectively reduces the energy consumption of the system, which is suitable for being used on the traffic tools in plateau such as railway passenger trains and passenger vehicles.

Description

Plateau vacuum shit gathering equipment

Technical field

The utility model relates to a kind ofly can satisfy the vacuum shit gathering equipment of using under the plateau low pressure environment, this vacuum shit gathering equipment is used under the plateau low pressure environment to have less energy consumption and shorten the time that forms vacuum.This system can be applicable to the vehicles for example railway passenger train, the motor passenger vehicle etc. on the plateau.

Background technology

Vacuum defecate collection system utilizes the vacuum in system pollutant receiving magazine and pipeline that the dirt in the bedpan is drawn into storage temporarily in the system pollutant receiving magazine.It generally is to adopt vacuum ejector or vacuum pump that the vacuum of system produces.For the dirt receiving magazine of same volume, under the plateau low pressure environment, vacuum ejector or vacuum pump produce same relative vacuum within it, and consumes energy will be higher than under the condition of Plain, produce same relative vacuum.

At present its operation vacuum of vacuum defecate collection system of usefulness all-more than the 20Kpa, dirt receiving magazine for same volume, under plateau low pressure environment (about the height above sea level 5000m) condition, produce same vacuum within it, the consumption of its energy is about the twice that produces same vacuum on the Plain.If system's operation vacuum is-40Kpa that then this system is using its energy consumption than big about 4 times in utilization on the Plain on the plateau.

Producing vacuum with vacuum defecate collection system vacuum ejector at present.The vacuum principle of vacuum ejector is to utilize compressed air jet to produce vacuum.Therefore vacuum defecate collection system uses energy consumption big on the plateau, shows that mainly compressed air consumption is big, and the time that forms vacuum is long.And the general vehicles it provides compressed-air actuated ability to be lower than compressed-air actuated ability is provided on the Plain when use on the plateau, this is owing to its compressor effective power reduction causes.Therefore be necessary the energy consumption when reducing vacuum defecate collection system uses under the altitude environment condition.

Summary of the invention

In order to address the above problem, the purpose of this utility model provides and a kind ofly can satisfy the vacuum shit gathering equipment of using under the plateau low pressure ambient conditions, and it is short that this device forms vacuum time, has less energy consumption.

The technical solution of the utility model is: this plateau vacuum shit gathering equipment, comprise closet assembly, vacuum subassembly, dirt box, and described closet assembly is connected dirt box by bleed valve with pipeline; Vacuum subassembly is connected the dirt box top by pipeline, the bottom of dirt box is provided with blow-off pipe and links to each other with the emptying equipment of dirt box outside, it is characterized in that, described dirt box is divided into two casings by dividing plate, the top of each casing all is provided with one by comprising that vacuum produces equipment, vacuum pressure switch, the vacuum subassembly that one way valve is formed, the bottom of dividing plate is provided with one way valve, the closet assembly is connected a casing in the dirt box by bleed valve with pipeline, this casing is provided with height, low two liquid-level switches are provided with the breather valve that communicates with atmosphere above high level switch; Also be provided with high and low two liquid-level switches on another casing, blow-off pipe is connected on the casing outer stop valve and snap joint via the top of the high level switch of this side box body.

For ease of soil pick-up, the bottom of dirt box is provided with groove, and the one way valve on the dividing plate and the bottom of blow-off pipe place in the groove.

Dirt box is divided into two casings by dividing plate, and the volume second of first casing that is connected with the closet assembly is less than the volume of casing.Dividing plate also can be divided into dirt box two isometric casings.

Just the bucket flushing is cleaner in order to make, and the closet assembly connects a water supercharging device.The described one way valve that is arranged on the dividing plate is a duckbill valve, and dirt stops up in the case to avoid.

The beneficial effects of the utility model are: be to reduce the consumption of the energy, under the prerequisite that vacuum ejector or vacuum pump performance can't improve, minimizing will form the volume of vacuum.Be about to be separated into two parts in the dirt box, when forming the action required vacuum, only in first casing, form required vacuum, dirt is drawn in the small box, when dirt in first casing is full, be discharged into again in the big casing.Owing to only in first casing, form vacuum, shorten so form the time of vacuum, reduced the consumption of the energy to a certain extent.

Description of drawings

Figure is the structural representation of the utility model embodiment.

The specific embodiment

Below in conjunction with accompanying drawing, and the reference explanation describes in detail the technical solution of the utility model.

Figure is a composition structural representation of the present utility model.

This vacuum shit gathering equipment is made up of closet assembly 10, push button 20, control system 30, vacuum subassembly 40, dirt box 50 etc.One cover vacuum shit gathering equipment can comprise one or more sets closet assemblies 10.Only example one is overlapped closet herein.

Closet assembly 10 comprises and just struggles against 11 that 11 examples that just struggle against adopt seat formulas just to struggle against, and can adopt the crouching formula just to struggle against equally.Just bleed valve 12 is equipped with in Dou exit, bleed valve 12 will just struggle against 11 and dirt box 50 separate, return to the washroom on the peculiar smell in the dirt box 50 preventing, guarantee simultaneously dirt box 50 is separated with outside air, so that can in dirt box 50, form vacuum.Bleed valve 12 can adopt various types, for example: ball valve, slide valve, disc valve etc.

Water supercharging device 13 provides press water for 11 flushings that just struggle against.Water from the water source washes away just bucket by wash tub pipe 14 after 13 pressurizations of water supercharging device.Being the water supercharging, is to guarantee to reach developing result preferably with the less water yield.The water supercharging device can adopt the pneumatic diaphragm pump pattern, or directly uses the water pump supercharging.

Vacuum subassembly 40 is in order to produce required operation vacuum in dirt box 50 and pipeline.It comprises that vacuum produces equipment 41, vacuum pressure switch 42, one way valve 43.Vacuum produces equipment 41 can be vacuum ejector or vacuum pump.Vacuum pressure switch 42 is in order to the vacuum of control system; When one way valve 43 produced equipment 41 and quits work to prevent vacuum, vacuum was from this leakage.

Dirt box 50 is a closed box, and inside is divided into first casing 51,52 two casings that vary in size of second casing by dividing plate 53.One way valve 54 is housed on dividing plate 53.Wherein the volume of first casing 51 should be less than 50L, to be advisable about 100L.The described one way valve that is arranged on the dividing plate is existing duckbill valve, and dirt stops up in the case to avoid, and improves the reliability of work.

Having dirt inlet 15 on first casing 51 joins with closet assembly 10; Vacuum subassembly 40 has vacuum orifice 44, so that can will be evacuated in first casing 51.On first casing 51, also be provided with two liquid-level switches 55, detect the high liquid level and the low liquid level of dirt in first casing 51 respectively.Breather valve 59 is arranged on the top of the high liquid level 55 of first casing.

On second casing 52, be provided with two liquid-level switches 55 of height; Be provided with extract opening 44 and blow-off pipe 56, stop valve 57, snap joint 58.

The course of work of system is as follows: press push button 20, control system 30 starts the vacuum that is positioned on first casing 51 and produces equipment 41 work, in first casing 54, form vacuum, pressure height in pressure ratio first casing 51 in forming vacuum process because in second casing 52, so one way valve 54 is closely closed, be unlikely by one way valve 54 and produce vacuum leak.When vacuum pressure reaches setting value in vacuum pressure switch 42 detects first casing 51, control system 30 impels water supercharging device 13 to start, press water is washed away by wash tub pipe 14 just struggle against 11, simultaneously control system 30 is opened bleed valve 12, makes under the effect of the dirt vacuum in first casing 51 in 11 that just struggles against to be sucked in first casing 51.Water supercharging device 13 stops bath afterwards; Bleed valve 12 cuts out the toilet stool washing process of finishing.

High level switch 55 on first casing 51 has signal to send, when promptly first casing 51 is expired, control system 30 impel be positioned on second casing 52 vacuum produce equipment 41 work, in second casing 52, form vacuum, admission valve 59 on first casing 51 is opened, because pressure height in pressure ratio second casing 52 in first casing 51, thus one way valve 54 is opened, thus make in first casing 51 emissions in second casing 52.When dirt liquid level in first casing 51 is reduced to low liquid level, stop discharge process.

When dirt all reaches high liquid level in first casing 51 and second casing 52, represent that dirt box 50 is full this moment, system forbids work.

When dirt box 50 is expired, need emptying dirt box 50.During emptying, with emptying equipment for example vacuum cleaning truck, ground fixedly the dirty pipe that unloads of vacuum receiving equipment be connected in the emptying snap joint 58 of dirt box 50, open admission valve 59 on first casing 51 and the stop valve 57 on second casing 52, owing to have pressure differential between dirt box first casing 51 and the emptying equipment, dirt in first casing is discharged into second casing 52 under action of pressure, be discharged in the emptying equipment by evacuated tube 56, stop valve 57, snap joint 58 simultaneously.After 51 emptyings of first casing, atmosphere enters in second casing 52, under the pressure of atmosphere, continues emptying second casing 52, up to discharge from evacuated tube 56 be gas the time, represent emptying dirt box.

Claims

1, plateau vacuum shit gathering equipment comprises closet assembly, vacuum subassembly, dirt box, and described closet assembly is connected dirt box by bleed valve with pipeline; Vacuum subassembly is connected the dirt box top by pipeline, the bottom of dirt box is provided with blow-off pipe and links to each other with the emptying equipment of dirt box outside, it is characterized in that, described dirt box is divided into first casing (51) by dividing plate (53), second casing (52), the top of each casing all is provided with one by comprising that vacuum produces equipment (41), vacuum pressure switch (42), the vacuum subassembly that one way valve (43) is formed, the bottom of dividing plate is provided with one way valve (54), closet assembly (10) is connected first casing (51) in the dirt box by bleed valve with pipeline, first casing (51) is provided with height, low two liquid-level switches (55) are provided with the breather valve (59) that communicates with atmosphere in the top of high level switch (55); On second casing (52), also be provided with high and low two liquid-level switches (55); Blow-off pipe (56) is connected on the casing outer stop valve 57 and snap joint 58 via the top of the high level switch (55) of second casing (52).

2, plateau as claimed in claim 1 vacuum shit gathering equipment is characterized in that, the bottom of dirt box is provided with groove, and the bottom of one way valve (54) and blow-off pipe (56) places in the groove.

3, plateau as claimed in claim 1 or 2 vacuum shit gathering equipment is characterized in that, the volume of first casing (51) is less than the volume of second casing (52).

4, plateau as claimed in claim 1 vacuum shit gathering equipment is characterized in that, described one way valve (54) is a duckbill valve.