Biochemical excrement collecting system and rail vehicle

Abstract

The application provides a biochemical excrement collecting system and a rail vehicle, and belongs to the technical field of rail vehicles. The biochemical excrement collecting system comprises an excrement collecting cylinder, a sewage discharge pipeline and a biological treatment box. The upper end of the excrement collecting cylinder is connected with a toilet in a vehicle body, and one end of the sewage discharge pipeline is fixedly connected with the lower end of the excrement collecting cylinder. The biological treatment box is used for being installed below the vehicle body and is fixedly connected with the vehicle body. The biological treatment box comprises a box body, a filtering device and a primary filtering chamber. The filtering device is installed in the box body, and the box body is divided into an upper cavity and a lower cavity. An inlet and an exhaust port which are in communication with the upper cavity, and a discharge port which is in communication with the lower cavity are arranged on the box body. The primary filtering chamber is installed on one side of the box body and is in communication with the lower cavity. A sterilization block is arranged in the primary filtering chamber and is in contact with water in the lower cavity. The biochemical excrement collecting system can avoid environmental pollution and does not need to be cleaned frequently, thereby reducing workload and cost.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of rail vehicles, and more particularly relates to a biochemical excrement collecting system and a rail vehicle. BACKGROUND

[0002] In order to ensure the daily life needs of passengers, a toilet is arranged in a rail vehicle to meet the needs of passengers to discharge excrement. At present, the excrement discharge system in domestic toilets is divided into three modes: a direct discharge type excrement discharge system, a pressure flushing excrement collecting system, and a vacuum excrement collecting system.

[0003] The direct discharge type excrement discharge system directly discharges excrement onto a rail surface, and the bacteria and various organic matters carried in the excrement will pollute the land and water environment. The pressure flushing excrement collecting system and the vacuum excrement collecting system need to use a suction vehicle of a vehicle road bureau to perform a suction operation every day due to a high frequency of using a toilet and a large volume of collected excrement, and thus have a high work frequency, a large work load, and a high cost. SUMMARY

[0004] The present application aims to provide a biochemical excrement collecting system and a rail vehicle to solve the technical problems of environmental pollution caused by the excrement discharge mode and a high cleaning work frequency in the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present application is to provide a biochemical excrement collecting system, comprising:

[0006] An excrement collecting cylinder is arranged to be fixedly installed at a lower end of a vehicle body, and an upper end of the excrement collecting cylinder is connected to a toilet in the vehicle body.

[0007] An excrement discharge pipeline is arranged below the vehicle body, and one end of the excrement discharge pipeline is fixedly connected to a lower end of the excrement collecting cylinder.

[0008] A biological treatment tank is arranged below the vehicle body and fixedly connected to the vehicle body, and the biological treatment tank comprises a tank body, a filtering device, and a primary filtering chamber. The filtering device is arranged in the tank body and separates the tank body into an upper cavity and a lower cavity. An inlet and an exhaust port are arranged on the tank body and connected to the upper cavity, and a discharge port is arranged and connected to the lower cavity. The primary filtering chamber is arranged on one side of the tank body and connected to the lower cavity. A sterilization block is arranged in the primary filtering chamber and in contact with water in the lower cavity.

[0009] In a possible implementation manner, the primary filtering chamber is internally provided with a bending cavity extending upward and downward, the sterilization block is a chlorine block, and the chlorine block is arranged in the bending cavity.

[0010] In a possible implementation, the biological treatment box further comprises a secondary filtering chamber installed at the lower end of the box body, the bottom surface of the lower cavity is provided with an opening connected with one end of the secondary filtering chamber, and the discharge port is connected with the other end of the secondary filtering chamber; and the secondary filtering chamber is provided with a sterilization block.

[0011] In a possible implementation, the secondary filtering chamber is provided with a reciprocating bypass connecting pipeline.

[0012] In a possible implementation, the box body is further provided with a cleaning inlet and a cleaning outlet arranged in an up-down manner, and the cleaning inlet and the cleaning outlet are both connected with the upper cavity.

[0013] In a possible implementation, the biological treatment box further comprises a mounting frame and a fastener for fixed connection with the lower end of the vehicle body; the mounting frame comprises a hanging beam installed at the upper end of the box body, a plurality of inverted U-shaped frames installed on the hanging beam, and a plurality of sliding blocks installed in the U-shaped frames; the hanging beam is provided with a plurality of through holes corresponding to the U-shaped frames, the U-shaped frames are provided with through holes corresponding to the through holes, and the sliding blocks are provided with screw holes; the fastener is a bolt and a nut, the bolt passes through the through holes, the screw holes and the through holes from bottom to top, and the nut is used for locking and fixing.

[0014] In a possible implementation, the longitudinal section of the excrement collecting cylinder is an isosceles trapezoid with the upper part being larger and the lower part being smaller; and the upper and lower ends of the excrement collecting cylinder are connected with the toilet and the sewage pipeline through flanges.

[0015] In a possible implementation, the sewage pipeline is arranged in an inclined manner from top to bottom and has an S-shaped structure for water sealing.

[0016] The biochemical excrement collecting system has the following advantages: compared with the prior art, when the biochemical excrement collecting system is used, the excrement in the toilet is discharged into the excrement collecting cylinder by water flushing or the like, falls along the excrement collecting device into the sewage pipeline, and then enters the upper cavity through the inlet of the box body while moving along the sewage pipeline, and the solid excrement is left in the upper cavity under the action of the filtering device, and the liquid water or the like passes through the filtering device and enters the lower cavity; the excrement in the upper cavity is decomposed into solid, liquid and gas under the action of a large number of microorganisms in the box body, the gas is discharged through the exhaust port, the liquid passes through the filtering device again and enters the lower cavity, and the water in the lower cavity is sterilized and disinfected under the action of the sterilization block in the primary filtering chamber, and then is discharged to the ground outside the vehicle body through the discharge port. In this way, environmental pollution can be avoided, and the box body does not need to be cleaned frequently, so that the workload is small and the cost is low.

[0017] Another object of the present application is to provide a rail vehicle comprising the biochemical excrement collecting system according to any one of the above.

[0018] The rail vehicle provided by the application can avoid environmental pollution and does not need to clean the box frequently, and has small workload and low cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the application, and for those skilled in the art, other drawings can be obtained without creative labor.

[0020] Figure 1 The use state diagram of the biochemical excrement collecting system provided by the embodiment of the application is shown in the figure.

[0021] Figure 2 The structure diagram of the biochemical excrement collecting system provided by the embodiment of the application is shown in the figure.

[0022] Figure 3 The local structure diagram of the biochemical excrement collecting system provided by the embodiment of the application is shown in the figure.

[0023] Figure 4 The internal structure diagram of the secondary filter chamber provided by the embodiment of the application is shown in the figure.

[0024] Figure 5 The structure diagram of the U-shaped frame provided by the embodiment of the application is shown in the figure.

[0025] Figure 6 The structure diagram of the sliding block provided by the embodiment of the application is shown in the figure.

[0026] In the figure, various reference signs are as follows:

[0027] 1, excrement collecting cylinder; 2, pollution discharge pipeline; 21, S-shaped structure; 3, biological treatment box; 31, box body; 311, inlet; 312, exhaust port; 313, discharge port; 314, cleaning inlet; 315, cleaning outlet; 32, filter device; 33, primary filter chamber; 34, secondary filter chamber; 35, connecting pipeline; 4, mounting frame; 41, hanging beam; 42, U-shaped frame; 43, sliding block; 5, fastener; 6, toilet. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects of the application more clearly understood, the application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the application, and are not used to limit the application.

[0029] It is to be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly on the other element with intervening elements present. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or indirectly connected or coupled to the other element with intervening elements present.

[0030] It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like, specify relative positions or orientations of an apparatus or element as shown in the drawings, and are used only for convenience in describing the present application and simplifying the description, and do not indicate or imply that a specific orientation of the apparatus or element is required in order to practice the present application, unless otherwise specified.

[0031] In addition, the terms "first", "second", and the like, are used only for descriptive purposes, and do not connote or imply relative importance or an ordering or numbering of the indicated technical features. Thus, a feature defined with a "first" or "second" can implicitly or explicitly include one or more of the other features.

[0032] Please refer to Figures 1 to 3 The biochemical excrement collecting system provided by the present application is described as follows. The biochemical excrement collecting system comprises an excrement collecting cylinder 1, a sewage pipeline 2 and a biological treatment box 3. The excrement collecting cylinder 1 is fixedly installed at the lower end of a vehicle body. The upper end of the excrement collecting cylinder 1 is connected with a toilet 6 in the vehicle body. The sewage pipeline 2 is arranged below the vehicle body. One end of the sewage pipeline 2 is fixedly connected with the lower end of the excrement collecting cylinder 1. The biological treatment box 3 is installed below the vehicle body and is fixedly connected with the vehicle body. The biological treatment box 3 comprises a box body 31, a filtering device 32 and a primary filtering chamber 33. The filtering device 32 is installed in the box body 31 and divides the box body 31 into an upper cavity and a lower cavity. The box body 31 is provided with an inlet 311 and an exhaust port 312 which are in communication with the upper cavity, and a discharge port 313 which is in communication with the lower cavity. The primary filtering chamber 33 is installed on one side of the box body 31 and is in communication with the lower cavity. The primary filtering chamber 33 is provided with a sterilization block which is in contact with water in the lower cavity.

[0033] Compared with the prior art, the biochemical excrement collecting system has the advantages that: when in use, the excrement in the excrement container 6 is discharged into the collecting cylinder 1 by water flushing or the like, and falls into the excrement discharging pipeline 2, and then moves along the excrement discharging pipeline 2 to enter the upper chamber through the inlet 311 of the box 31, and the solid excrement is left in the upper chamber under the action of the filtering device 32, and the liquid water or the like enters the lower chamber through the filtering device 32; the excrement in the upper chamber is decomposed into solid, liquid and gas under the action of a large number of microorganisms in the box 31, the gas is discharged through the exhaust port 312, the liquid enters the lower chamber again through the filtering device 32, and the water in the lower chamber is sterilized and disinfected in the primary filtering chamber 33, and then is discharged to the ground outside the vehicle body through the discharge port 313. In this way, the environment pollution can be avoided, and the box 31 does not need to be cleaned frequently, so that the workload is small and the cost is low.

[0034] The biological treatment box 3 needs to have a certain safety distance from the bogie and the rail surface, and the biochemical treatment box is arranged inside the vehicle end wall and inside the vehicle ladder.

[0035] Please refer to Figures 1 to 3 , as a specific embodiment of the biochemical excrement collecting system, the primary filtering chamber 33 is internally provided with an upper and lower extending bending cavity, the sterilization and disinfection block is a chlorine block, and the chlorine block is located in the bending cavity; the bending cavity is S-shaped, so that the sewage can have a lot of time to contact with the chlorine block, the sterilization and disinfection time is lengthened, and a large number of harmful bacteria such as Escherichia coli can be killed.

[0036] Please refer to Figure 1 and Figure 2 , as a specific embodiment of the biochemical excrement collecting system, the biological treatment box 3 further comprises a secondary filtering chamber 34 installed at the lower end of the box 31, the bottom surface of the lower chamber is provided with an opening connected with one end of the secondary filtering chamber 34, and the discharge port 313 is connected with the other end of the secondary filtering chamber 34; the secondary filtering chamber 34 is internally provided with a sterilization and disinfection block; the secondary filtering chamber 34 is located at the lower end of the box 31, and an opening connected with one end of the secondary filtering chamber 34 is formed in the bottom of the lower chamber, and the other end of the secondary filtering chamber 34 is connected with the discharge port 313, so that the water in the lower chamber is further sterilized and disinfected by the sterilization and disinfection block in the secondary filtering chamber 34 before being discharged, and it is ensured that the discharged water will not pollute the environment.

[0037] Please refer to Figure 1 , Figure 2 and Figure 4As a specific embodiment of the biochemical excrement collecting system provided by the present application, a reciprocating bypass connecting pipe 35 is arranged in the secondary filtering chamber 34. With the reciprocating bypass connecting pipe 35, the flow distance of the filtered water is increased, thereby greatly improving the filtering effect of the secondary filtering chamber 34. A containing cavity can be arranged outside the connecting pipe 35, the containing cavity is communicated with the connecting pipe 35, and a chlorine block is arranged in the containing cavity as a disinfecting block, so that a good disinfecting effect is maintained in the secondary filtering chamber 34.

[0038] Please refer to Figure 2 As a specific embodiment of the biochemical excrement collecting system provided by the present application, a washing inlet 314 and a washing outlet 315 are arranged on the box body 31 in an up-down manner, and the washing inlet 314 and the washing outlet 315 are communicated with the upper cavity. The washing inlet 314 and the washing outlet 315 are arranged to facilitate the cleaning of the box body 31. Specifically, when the biochemical treatment tank is full of solid waste and needs to be cleaned after several months or longer, a water pipe is connected with the lower cavity at one end and connected with the washing inlet 314 at the other end, and the valve is opened to make the water in the lower cavity spray into the upper cavity through the water pipe, so as to achieve the purpose of cleaning.

[0039] Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 As a specific embodiment of the biochemical excrement collecting system provided by the present application, the biological treatment tank 3 further comprises a mounting frame 4 and a fastener 5 for fixedly connecting with the lower end of the vehicle body. The mounting frame 4 comprises a hanging beam 41 mounted on the upper end of the box body 31, a plurality of inverted U-shaped frames 42 mounted on the hanging beam 41, and a plurality of sliding blocks 43 mounted in the U-shaped frames 42. The hanging beam 41 is provided with a plurality of through holes corresponding to the U-shaped frames 42, the U-shaped frames 42 are provided with through holes corresponding to the through holes, and the sliding blocks 43 are provided with screw holes. The fastener 5 is a bolt and a nut, the bolt passes through the through holes, the screw holes and the through holes from bottom to top, and the nut is used for locking and fixing. The hanging beam 41 is arranged on both sides of the upper end of the box body 31, the U-shaped frames 42 are mounted on the hanging beam 41, the U-shaped frames 42 are mounted on the hanging beam 41, the two wings of the U-shaped frames 42 are fixed on the hanging beam 41, the web is arranged in parallel and spaced apart from the hanging beam 41, and the through holes are arranged on the web. The sliding blocks 43 are arranged in the U-shaped frames 42, and the screw holes of the sliding blocks 43 are coaxially aligned with the through holes and the through holes. When the biochemical treatment tank is hung on the bottom of the vehicle body, the mounting holes on the hanger hooks of the vehicle body chassis are aligned with the through holes on the hanging beam 41, and then the bolt passes through the mounting holes, the through holes and the screw holes from bottom to top and is screwed into the screw holes of the sliding blocks 43. The nut can also be used for locking and fixing.

[0040] Please refer to Figure 1 and Figure 2As a specific embodiment of the biochemical toilet collecting system provided by the application, the longitudinal section of the toilet collecting cylinder 1 is an isosceles trapezoid with the upper part larger than the lower part; the upper and lower ends of the toilet collecting cylinder 1 are connected with the toilet 6 and the sewage pipeline 2 through flanges; the upper and lower ends of the toilet collecting cylinder 1 are connected with the toilet 6 and the sewage pipeline 2 respectively, which also plays a role in supporting the toilet 6. The longitudinal section of the toilet 6 is set as an isosceles trapezoid with the upper part larger than the lower part, so that the excrement can more conveniently and completely pass through the toilet collecting cylinder 1 from top to bottom and enter the sewage pipeline 2. The upper and lower ends of the toilet collecting cylinder 1 are provided with flanges, so that the connection with the toilet 6 and the sewage pipeline 2 through the flanges is more reliable. The toilet collecting cylinder 1 is provided with a baffle.

[0041] Please refer to Figure 1 and Figure 2 As a specific embodiment of the biochemical toilet collecting system provided by the application, the sewage pipeline 2 is arranged to be inclined from top to bottom and has an S-shaped structure 21 for water sealing; the S-shaped structure 21 is arranged on the sewage pipeline 2, so that after the excrement is washed away, water is formed in the bottom of the toilet 6 to form a water sealing isolation layer, which can isolate the odor in the biochemical treatment box from the toilet 6; and the use comfort of the toilet is improved.

[0042] Not shown in the figure, the embodiment of the application further provides a rail vehicle, which comprises the biochemical toilet collecting system according to any one of the above.

[0043] The rail vehicle provided by the application adopts the biochemical toilet collecting system, which can avoid environmental pollution and does not need to clean the box body 31 at high frequency, so that the workload is small and the cost is low.

[0044] The above is only a preferred embodiment of the application and is not used to limit the application, and any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the application.

Claims

1. A biochemical waste collection system, characterized in that, include: A toilet bowl is used to be fixedly installed at the lower end of the vehicle body; the upper end of the toilet bowl is connected to the toilet inside the vehicle body. A sewage pipe is installed under the vehicle body; one end of the sewage pipe is fixedly connected to the lower end of the toilet collection cylinder. A biological treatment box is installed under the vehicle body and fixedly connected to it. The biological treatment box includes a box body, a filter device, and a primary filter chamber. The filter device is installed inside the box body and divides the box body into an upper chamber and a lower chamber. The box body has an inlet and an exhaust port communicating with the upper chamber, and an outlet communicating with the lower chamber. The primary filter chamber is installed on one side of the box body and communicates with the lower chamber. The primary filter chamber contains a disinfection block, which is in contact with the water in the lower chamber. The biological treatment box also includes a secondary filtration chamber installed at the bottom of the box. The bottom surface of the lower chamber has an opening that connects to one end of the secondary filtration chamber, and the discharge port is connected to the other end of the secondary filtration chamber. The secondary filtration chamber contains disinfection blocks. Before being discharged, the water in the lower chamber passes through the disinfection blocks in the secondary filtration chamber for further sterilization and disinfection.

2. The biochemical waste collection system as described in claim 1, characterized in that, The primary filter chamber is provided with a vertically extending bent cavity, and the disinfection block is a chlorine block located within the bent cavity.

3. The biochemical waste collection system as described in claim 1, characterized in that, The secondary filtration chamber is equipped with a reciprocating connecting pipe.

4. The biochemical waste collection system as described in claim 1, characterized in that, The housing is also provided with a cleaning inlet and a cleaning outlet arranged vertically, and both the cleaning inlet and the cleaning outlet are connected to the upper cavity.

5. The biochemical waste collection system as described in claim 1, characterized in that, The biological treatment box also includes a mounting bracket and fasteners for fixed connection to the lower end of the vehicle body; the mounting bracket includes a lifting beam installed on the upper end of the box body, multiple inverted U-shaped frames installed on the lifting beam, and multiple sliders installed in the U-shaped frames. The lifting beam has multiple through holes corresponding to the U-shaped frames, the U-shaped frames have through holes corresponding to the through holes, and the sliders have screw holes; the fasteners are bolts and nuts, the bolts pass through the through holes, the screw holes, and the through holes from bottom to top, and are locked in place by the nuts.

6. The biochemical waste collection system as described in claim 1, characterized in that, The longitudinal cross-section of the toilet bowl is an isosceles trapezoid, wider at the top and narrower at the bottom; both the upper and lower ends of the toilet bowl are connected to the toilet and the sewage pipe via flanges.

7. The biochemical waste collection system as described in claim 1, characterized in that, The sewage pipe is installed at an angle from top to bottom and has an S-bend structure for water sealing.

8. A rail vehicle, characterized in that, Includes the biochemical waste collection system as described in any one of claims 1-7.

Images