CN205259297U - System for be used for between movable public health - Google Patents

Abstract

The utility model discloses a system for be used for between movable public health, this system includes solution tank, well water tank, the bedpan, a hand basin, the sewage case of keeping in, sewage lifting mechanism and sewage treatment device, solution tank connects the wash -basin, well water tank passes through the tube coupling with the bedpan, be equipped with wash water pump between bedpan and well water tank, the bottom and the sewage of bedpan are kept in the case and are connected, sewage is kept in case and sewage lifting mechanism and is distinguished the separate connection with vacuum suction equipment, the sewage lifting mechanism is connected with sewage treatment device, sewage treatment device passes through the pipeline and is connected with well water tank, keeping in the case, sewage be equipped with compressed air entry on, the beneficial effect of the utility model: adopted sewage treatment device to collect back retreatment with sewage, the normal water of handling is used for washing the technology of bedpan, has realized that the buck washes the virtuous circle of bedpan, overcome the difficult problem that traditional toilet stool system need frequently clear up the filth and add the sparge water, can be under non -maintaining condition, the use of long period.

Description

A system for portable public restrooms

technical field

The utility model relates to the field of mobile toilets, in particular to a system for movable public toilets.

Background technique

With the acceleration of economic activities, there is an urgent need to set up a large number of temporary toilets or mobile toilets in many ports, cargo stations, temporary assembly areas, and ecological areas. This kind of mobile toilet not only requires high mobility and can change its location at any time, but also needs to work continuously for several days or even last month when there is no external supply. It breeds mosquitoes and flies and does not match the surrounding environment.

There are also many portable toilets on the market now, mainly conventional flush toilets and ecological environmental protection toilets. However, there are still many problems in use, which are mainly manifested in: 1) toilets flushed with normal pressure water (or tap water), the flushing water pressure is small, and the water consumption is large; resulting in short continuous use time, frequent unloading and filling Clean water; 2) Eco-friendly toilets. Among them, water-free packaged toilets have high cleaning and transportation costs and poor labor and maintenance environment; microbial composting ecological toilets consume a lot of energy for easy maintenance, and the anaerobic type has serious secondary pollution. The most important thing is that it is easy to cause odor overflow and breed mosquitoes; the water-free degradable ecological toilet has high cost of degrading bacteria, and there are still many technical problems that have not been solved and are still immature.

The main problems of the existing toilets are: there are serious problems in the total frequency of use without maintenance, the adjustment of operating temperature, day and night maintenance management, and the use environment.

Utility model content

The purpose of this utility model is to solve the above problems and provide a system for movable public toilets: the functional components are installed on a movable platform; when in use, the feces and sewage generated pass through the "push-pull" toilet system, It is a device that inhales sewage under negative pressure and discharges it under positive pressure; then it enters the device for sewage treatment after being broken for a short period of time; the treated gray water is used to flush the toilet to realize the virtuous cycle of clean water and achieve the purpose of saving water and energy. The system has the characteristics of water saving, energy saving, long sustainable use time and compact structure, which is convenient for system integration and mass production.

In order to achieve the above object, the utility model adopts the following technical solutions:

A system for mobile public toilets, including clean water tanks, reclaimed water tanks, bedpans, wash basins, temporary sewage storage tanks, sewage lifters and sewage treatment equipment, clean water tanks are connected to wash basins, reclaimed water tanks and bedpans pass through pipelines connection, a flushing pump is provided between the bedpan and the reclaimed water tank, the bottom of the bedpan is connected to the temporary sewage storage tank, the temporary sewage storage tank is separately connected to the sewage lifter and vacuum suction equipment, and the sewage lifter is connected to the sewage treatment equipment, The sewage treatment equipment is connected to the reclaimed water tank through pipelines, and a compressed air inlet is provided on the sewage temporary storage tank. Through the vacuum suction equipment and compressed air, the negative pressure vacuum airtight collection technology is realized to ensure that there is no peculiar smell overflowing from the bedpan.

Further, the sewage treatment equipment includes a closed treatment box, and the treatment box is provided with three layers of inclined collection boxes, the entrance of the treatment box is connected with the sewage temporary storage box, and the bottom of the first layer of the collection box There is a first filter screen, a second filter screen is provided at the bottom of the second-layer collection box of the treatment box, and the side walls of the first-layer collection box and the second-layer collection box are provided with outlets connected to the waste collection box, and the third layer collects The side wall of the box is provided with an outlet connected to the middle water tank, and a disinfection device is provided at the outlet of the third collection box, and the collection of solid dirt is directly realized through the inclined collection box and filter screen. The collection box connects the collected liquid to the medium water tank to realize collection and repeated recycling.

Further, the clean water tank is connected to the washbasin through pipelines, the bottom of the washbasin is connected to the gray water temporary storage tank, the gray water temporary storage tank is connected to the sewage lifter, and a rotating blade is arranged in the gray water temporary storage tank. Rotating blades are used to crush the dirt in the gray water temporary storage tank.

Further, a bedpan discharge valve is provided at the bottom of the bedpan, a gray water discharge valve is provided at the bottom of the gray water temporary storage tank, the bedpan discharge valve is connected with the flushing water pump, and the flushing water pump absorbs water to flush the bedpan, and the gray water temporarily The storage tank is used to temporarily store gray water and to isolate the odor in the sewage riser to prevent the gas from overflowing into the wash basin.

Further, a clean water temporary storage tank is provided on the pipeline between the clean water tank and the wash basin, the height of the clean water temporary storage tank is higher than the position of the wash basin, and a clean water temporary storage tank is provided between the clean water temporary storage tank and the clean water tank Water supply pump, when the faucet on the wash basin is turned on, clean water can flow from the clean water temporary storage tank to the faucet by gravity, and flow out under a small pressure, so as to realize water saving to the greatest extent.

Further, a waste water chip removal valve is provided at the bottom of the waste water temporary storage tank.

Further, the clean water tank, the reclaimed water tank, the gray water temporary storage tank and the clean water temporary storage tank are all equipped with liquid level gauges, and each liquid level gauge is connected to the controller separately, and the controller is connected to the The feed water pump is connected, and the controller is connected with the rotary blade. When the liquid level gauge in the gray water temporary storage tank detects that the liquid level is at the set value, the signal is transmitted to the controller, and the controller controls the rotation of the rotary blade to turn the ash The dirt in the water is crushed; when the liquid level gauge in the clean water temporary storage tank detects the lowest liquid level, the signal is transmitted to the controller, and the controller controls the action of the water supply pump to suck the clean water in the clean water tank to the clean water temporary storage in the box.

Further, the diameter of the filter hole of the first filter screen is smaller than the diameter of the filter hole of the second filter screen, and a biofilm is provided on the surface of the second filter screen, and the filtration of the dirt is realized through two layers of filtration, ensuring that all The mass of water collected.

Further, a deodorant is provided in the treatment box.

Further, a clean water solenoid valve is provided above the clean water tank, and the clean water tank is used to store a certain amount of clean water. When the clean water is used for the first time or supplied by the outside, the clean water solenoid valve is opened to complete the supply of clean water, and an overflow port is provided on the clean water tank , when the liquid level is too high, the clean water flows to the outside through the overflow port.

Further, a negative pressure sensor and a positive pressure sensor respectively connected to the controller are provided in the sewage temporary storage tank, the controller is connected to the valve at the compressed air inlet, the controller is connected to the vacuum suction equipment, and the air compressor provides The compressed air, the negative pressure sensor and the positive pressure sensor are respectively connected to the controller, and the controller is connected to the vacuum suction equipment. Negative pressure value, the controller controls the valve at the compressed air inlet to open, and the compressed air is introduced to suck the sewage into the sewage temporary storage tank. Under the detection of the positive pressure sensor, the pressure and volume of the compressed air are maintained. A certain positive pressure is formed to discharge the sewage into the sewage riser, which greatly saves water consumption. After setting the time, the controller closes the valve at the compressed air inlet. The negative pressure sensor is also set to ensure that the waste water in the temporary storage tank pressure size.

The working principle of the utility model is: the use of negative pressure suction bedpan avoids the overflow of peculiar smell, and at the same time greatly saves the water consumption for each flushing; the clean water flows to the faucet by gravity, which saves energy; Treatment, the treated water is used to flush the bedpan, realizing recycling.

Compared with the prior art, the utility model has the following advantages:

1) The bathroom is clean and odorless. The system adopts negative pressure vacuum airtight collection technology to collect and transport the sewage to the sewage treatment equipment. There is no peculiar smell overflowing from the hand washing and bedpan. After a long time of use, the bathroom still maintains a good use environment.

2) Maximum water saving. The process of negative pressure suction bedpan and water pump pressurized cleaning of the bedpan can achieve less than 0.5L/time of toilet flushing, which is far less than the flushing volume of traditional toilets of 3-4L/time, achieving the greatest degree of water saving. A clean water temporary storage tank is set up, and the clean water flows to the faucet by gravity, so that the system can realize water saving as much as possible.

3) The system can last for a long time. Sewage treatment equipment is used to collect sewage and then treat it, and the treated reclaimed water is used to flush the bedpan, realizing a virtuous cycle of gray water flushing the bedpan; overcoming the need for frequent cleaning of dirt and frequent addition of flushing water in the traditional toilet system The problem can make the system use for a long time under the condition of maintenance-free.

4) The operating power of the system is small, which is convenient for electrical control. A small-volume sewage temporary storage tank is set up, and within a short period of time, the temporary storage tank can be pumped to the set vacuum value with a low-power vacuum suction device, and then the compressed air is pressed into the sewage lifter, and it is relatively fast. The low-power sewage lifter can transport the sewage to the sewage treatment equipment; avoiding the structure of setting high-power vacuum suction equipment on the sewage treatment equipment, making the rated power of the system small and easy to realize electrical control.

5) The structure is compact, which is convenient for mass production. Due to the small volume of the sewage temporary storage tank, the gray water temporary storage tank and the sewage lifter, they can all be integrated under the bedpan without taking up too much space, which is convenient for product integration and mass production.

Description of drawings

Fig. 1 is the schematic diagram of plane layout of the present utility model;

Fig. 2 is a schematic side view of the utility model;

Fig. 3 is a process flow diagram of the present utility model;

Fig. 4 is the structural diagram of sewage treatment equipment in the utility model;

Fig. 5 is the schematic diagram of vacuum suction equipment in the utility model;

Among them, 1-medium water tank 2-clean water tank 3-water inlet solenoid valve 4-water pump 5-clean water temporary storage tank 6-wash basin, 7-flushing water pump 8-bedpan 9-bedpan discharge valve 10-vacuum suction equipment 11- Sewage temporary storage tank 12-sewage discharge valve 13-sewage lifter 14-gray water temporary storage tank 15-gray water discharge valve 16-sewage treatment equipment 17-reclaimed water solenoid valve 18-air source inlet 19-treatment box inlet 20- Processing box 21-first layer collection box 22-second layer collection box 23-third layer collection box 24-piston rod 25-cylinder 26-cam 27-first manual valve 28-second manual valve.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As shown in Figure 1, a mobile public toilet: in the plane layout, it includes main functional components: sewage treatment equipment 16, reclaimed water tank 2, clean water tank 1, bedpan 8, sewage lifter 13 and washbasin 6. Among them, the sewage treatment equipment 16 is connected to the water tank at one end of the pipeline, and the sewage lifter 13 at one end of the pipeline; the above components are all installed on a plane and occupy a certain space. Both the reclaimed water tank 2 and the clean water tank 1 are provided with liquid level gauges for detecting water levels, and the sewage lifter is provided with rotary blades.

In side view 2, clean water temporary storage tank 5 is arranged on the top of the bathroom, one end is connected with clean water tank 1 through feed water pump 4, and one end is connected with wash basin 6 through pipeline; when in use, open the faucet on wash basin 6 , clear water relies on gravity to flow out, and in order to make full use of gravity, clear water temporary storage tank 5 is located at just above the washing basin. Wherein, the clean water temporary storage tank 5 is provided with a liquid level gauge, and when the liquid level is low, the liquid level gauge sends a signal to the controller, and the controller controls the water supply pump 4 to extract the water from the clean water tank 1 into the clean water temporary storage tank 5 .

The functional parts shown in process diagram 3: flushing water pump 7, bedpan discharge valve 9, vacuum suction equipment 10, sewage temporary storage tank 11 and sewage discharge valve 12, the vacuum suction equipment is a vacuum pump, because the size is relatively small, it can be The integration is installed under the bedpan 8, and the specific integration position can be adjusted according to the actual parts size. The installation relationship is: one end of the flushing water pump 7 is connected to the middle water tank 2, and the other end is connected to the bedpan 8; the bedpan 8 is connected to the sewage temporary storage tank 11 by connecting the discharge valve 9 below. The sewage temporary storage tank 11 is located directly below the bedpan, and a positive pressure sensor and a negative pressure sensor are arranged in it. One side of the sewage temporary storage tank 11 is connected with the vacuum suction device 10, and one side is connected with the compressed air inlet, and the compressed air inlet Connect the air source inlet, and pass compressed air from the air source inlet; the bottom of the sewage temporary storage tank 11 is connected with the sewage lifter 13 through the sewage discharge valve 12 .

The gray water temporary storage tank 14 and the gray water discharge valve 15 can be integrally installed under the wash basin 6 . The installation sequence is as follows: the washbasin 6 is connected with the sewage lifter 13 through the gray water discharge valve 15 and the gray water temporary storage tank 14 in sequence. A liquid level gauge is arranged inside the gray water temporary storage tank 14 for detecting the water level and sending a signal to the controller.

External water supply sources are respectively connected to the reclaimed water tank 2 through the reclaimed water solenoid valve 17 ; and connected to the clean water tank 1 through the clean water solenoid valve 3 .

The preferred clean water temporary storage tank 5 has a volume of 2-10L, the gray water temporary storage tank 14 has a volume of 2-5L, and the sewage temporary storage tank 11 has a volume of 1.5-3L.

The amount of reclaimed water produced by the sewage treatment equipment 16 needs to match the system to meet the ability to circulate and flush the bedpan 8 within a certain period of time. It can adopt the scheme in the prior art, and can also adopt the scheme in FIG. 2 .

Sewage treatment equipment 16 includes a closed treatment box 20, which is provided with three layers of collection boxes inclined to set, the entrance of the treatment box is connected with the temporary sewage storage box, and the bottom of the first floor collection box 21 of the treatment box is provided with a second One filter screen, the bottom of the second floor collection box of the treatment box is provided with a second filter screen, and the side walls of the first floor collection box 21 and the second floor collection box 22 are all provided with outlets connected to the waste collection box, and the third layer collects The side wall of the tank 23 is provided with an outlet connected to the reclaimed water tank 1, and the collection of solid dirt is directly realized through the inclined collecting tank and filter screen, and the third layer of collecting tank 23 connects the collected liquid to the reclaimed water tank 1 Realize collection, realize repeated recycling, and sewage treatment equipment can also use small-scale domestic sewage processor.

When using the toilet 8, press the flushing button, under the monitoring of the sensor, the vacuum suction device 10 first vacuums the sewage temporary storage tank 11 to a negative pressure of -40 ~ -60KPa, stops the action, and then opens the discharge on the lower side of the toilet 8 Valve 9, flushing water pump 7 action simultaneously, water is sucked out from middle water tank 1, sprays in bedpan 10; Under the detection of the pressure gauge, then into the sewage temporary storage tank 11, the compressed air with a pressure value of 0.2-0.4 MPa is introduced from the air source inlet 18, and then the sewage discharge valve 12 below is opened, and the sewage is discharged under the action of air pressure. Discharge into the sewage lifter 13, close the sewage discharge valve 12 below the sewage temporary storage tank 11 after 3-8 seconds, and close the air source inlet 18 at the same time.

When using the washbasin 6, open the tap, and now clear water flows out from the clear water temporary storage tank 5 under the effect of gravity; then the gray water used for washing hands flows into the gray water temporary storage tank 14; when the liquid level reaches a certain value, The gray water discharge valve 15 is opened, and the gray water flows into the sewage lifter 16 by gravity, and after a certain period of 3 to 8 seconds, the discharge valve 15 is closed.

When the sewage in the gray water temporary storage tank 15 reaches a certain level, the rotating blades inside it will break up the dirt, and then the sewage will be discharged into the sewage treatment equipment 16 through the sewage pump inside. The reclaimed water treated by the sewage treatment equipment 16 flows into the reclaimed water tank 1 to form a complete process of using circulating water.

When the minimum liquid level was reached in the clear water temporary storage tank 5, the feed water pump 4 sucked the clear water in the clear water tank 2 into the clear water temporary storage tank 5.

When the system is used for the first time, both the reclaimed water tank 1 and the clean water tank 2 need to be filled with water. Water needs to be added to the clean water tank 2 regularly to provide clean water to the washbasin. Regular maintenance of sewage treatment equipment is required.

In addition, the vacuum suction equipment in the utility model adopts a mechanical sewage temporary storage tank vacuuming and pressurizing device, see Figure 5 for details. This device comprises cam 26, and one side of cam 26 is provided with the first manual valve 27 that is connected with bedpan discharge valve 9, and the other side is provided with the second manual valve 28 that is connected with sewage discharge valve 12, and cam 26 rotates around the shaft , a protrusion is provided in the circumferential direction of the cam 26; the sewage temporary storage tank 11, the top of the sewage temporary storage tank 11 is connected with the bedpan, and the bottom of the sewage temporary storage tank 11 is connected with the sewage lifter 13; the cylinder 25, in the cylinder 25 The piston rod 24 is connected to the cam 26 through a tensioning mechanism, and the inner chamber of the cylinder 25 communicates with the sewage temporary storage tank 11 .

The first manual valve 27 is arranged on one side of the short axis of the cam 26, the second manual valve 28 is arranged on the other side of the short axis of the cam 26, and the piston rod 24 is connected to the The major axis of the cam 26.

The tensioning mechanism is a connecting rod, one end of the connecting rod is fixed to the piston rod 24 , and the other end of the connecting rod is arranged on the side of the cam 26 .

The cam 26 contacts the first manual valve 27 when rotating, and the bedpan discharge valve 9 is opened through the first manual valve 27, and the dirt in the bedpan enters the sewage temporary storage tank 11 due to the negative pressure in the sewage temporary storage tank 11; Protrusion 26 contacts with second manual valve 28 when rotating, opens sewage discharge valve 12, and the dirt in the sewage temporary storage tank enters sewage treatment equipment 16 through sewage lifter 13, in addition, compressed air source can be connected with first The manual valve 27 is connected to the second manual valve 28 respectively, and is connected to the sewage temporary storage tank 11 through the bedpan discharge valve 9, and connected to the sewage lifter 13 through the sewage discharge valve 12, thereby providing a certain pressure for discharging the sewage.

Although the specific implementation of the utility model has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the utility model. Those skilled in the art should understand that on the basis of the technical solution of the utility model, those skilled in the art do not need to Various modifications or deformations that can be made with creative efforts are still within the protection scope of the present utility model.

Claims (9)

1. for a system for packaged type communal bathroom, it is characterized in that, comprise filtered water tank, middle water tank, bedpan, washHand basin, sump water hold up tank, sewage water lifter and sewage disposal device, filtered water tank connects hand basin, and middle water tank and bedpan are by pipeRoad connect, between bedpan and middle water tank, be provided with flush water pump, the bottom of bedpan is connected with sump water hold up tank, sump water hold up tank andSewage water lifter is connected separately respectively with vacuum draw equipment, and sewage water lifter is connected with sewage disposal device, sewage disposal deviceBe connected with middle water tank by pipeline, on sump water hold up tank, be provided with a compressed air inlet.

2. the system as claimed in claim 1, is characterized in that, described sewage disposal device comprises the treatment box of a sealing,In treatment box, be provided with three layers of collecting box being obliquely installed, the entrance for the treatment of box is connected with described sump water hold up tank, first for the treatment of boxLayer collecting box bottom is provided with the first filter screen, and treatment box second layer collecting box bottom is provided with the second filter screen, ground floor collecting box and secondThe sidewall of layer collecting box is equipped with the outlet that is connected to waste collecting tank, and the sidewall of the 3rd layer of collecting box is provided with described middle water tank and connectsThe outlet connecing, is provided with chlorination equipment in the exit of the 3rd layer of collecting box, in described treatment box, is provided with deodorant.

3. the system as claimed in claim 1, is characterized in that, described filtered water tank is connected by pipeline with hand basin, hand basinBottom connects buck holding tank, and buck holding tank is connected with described sewage water lifter, in buck holding tank, is provided with rotating blade.

4. system as claimed in claim 3, is characterized in that, the bottom of described bedpan is provided with bedpan bleed valve, described buckThe bottom of holding tank is provided with buck bleed valve, and bedpan bleed valve is connected with described flush water pump.

5. system as claimed in claim 3, is characterized in that, on the pipeline between described filtered water tank and described hand basin, establishesHave clear water holding tank, the height of clear water holding tank, higher than the position of hand basin, is provided with feedwater between clear water holding tank and filtered water tankPump.

6. system as claimed in claim 3, is characterized in that, is provided with sewage chip removal valve in the bottom of described sump water hold up tank.

7. system as claimed in claim 5, is characterized in that, described filtered water tank, described middle water tank, described buck holding tankWith in described clear water holding tank, be equipped with liquid level gauge, each liquid level gauge is all connected separately with controller, controller and described feed pumpConnect, controller is connected with described rotating blade.

8. system as claimed in claim 2, is characterized in that, the filter opening diameter of described the first filter screen is less than described the second filter screenThe diameter of filter opening.

9. system as claimed in claim 7, is characterized in that, in described sump water hold up tank, be provided with respectively with described controllerThe B/P EGR Back Pressure Transducer EGR and the positive pressure sensor that connect, controller is connected with compressed air inlet place valve, controller and described vacuumPumping equipment connects.