CN110342698A - A kind of wastewater treatment vehicle - Google Patents

Abstract

The invention relates to a sewage treatment vehicle, which comprises a vehicle body, a carriage, a water inlet assembly, a filter assembly, a communication pipe, a sedimentation tank, a dosing assembly, a drainage assembly and a screw-stacked sludge dewatering machine; the carriage is fixed on the vehicle body The water inlet component is arranged in the compartment; the filter component is connected with the water inlet component; the sedimentation tank is arranged in the compartment for stratified treatment of the water and sediment in the sewage; the connecting pipe connects the filter component and the sedimentation box; dosing The components are arranged in the carriage, and are used to add flocculants and coagulants to the sedimentation tank; the drainage component is connected to the sedimentation tank, and is used to discharge the water in the upper layer of the sedimentation tank out of the carriage; For dewatering the sediment at the bottom of the sedimentation tank. The invention can pump river and pond sewage into the carriage for treatment, the treated water is re-discharged into the river and pond, and the treated pollutants are discharged to the vicinity, transported and used by other vehicles, and the secondary pollution of the water body is reduced. secondary pollution.

Description

a sewage treatment vehicle

technical field

The invention relates to vehicles, in particular to a sewage treatment vehicle.

Background technique

Water pollution is mainly caused by pollutants produced by people's production and living activities, including industrial pollution sources, agricultural pollution sources and domestic pollution sources. Industrial wastewater is an important source of pollution in waters, with the characteristics of large amount, wide area, complex composition, high toxicity, difficult purification and treatment; agricultural pollution sources include livestock manure, pesticides and chemical fertilizers. Nutrient elements such as phosphorus, potassium, etc. make rivers subject to different degrees of eutrophication pollution, causing changes in water transparency and dissolved oxygen, resulting in deterioration of water quality; domestic pollution sources are mainly various detergents, sewage and garbage used in urban life. , feces, etc., mostly non-toxic inorganic salts, domestic sewage contains nitrogen, phosphorus, sulfur and pathogenic bacteria.

In order to solve the above problems, some common water pollution control methods are usually adopted. Due to the large population in my country, the pollution area of water pollution is large, and the water pollution control has many problems such as large basin area, wide influence range, uncertain pollution source, and large amount of treatment engineering. question. The current sewage treatment of rivers and ponds mostly adopts fixed-point construction stations, and puts in flocculants, coagulants and other chemicals. On the surface, the problem is solved. However, the treated pollutants sink to the bottom, which does not fundamentally solve the problem. Harmful to humans and the environment.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a sewage treatment vehicle, which can pump river and pond sewage into the carriage for treatment through structural improvement, the treated water is re-discharged into the river and pond, and the treated pollutants are discharged to nearby , transported away by other vehicles and used, reducing the problem of secondary pollution of water bodies.

The above object of the present invention is achieved through the following technical solutions: a sewage treatment vehicle, including a vehicle body, a carriage, a water inlet assembly, a filter assembly, a communication pipe, a sedimentation tank, a drug dosing assembly, a drainage assembly, and a stacked screw sewage assembly. Mud dewatering machine; the carriage is fixed on the car body, and the carriage is provided with an openable door panel for internal equipment and external communication; the water inlet component is arranged in the carriage to introduce external sewage into the treatment equipment in the carriage; filter The assembly is connected with the water inlet assembly for preliminary filtration of the introduced sewage; the sedimentation tank is arranged in the carriage to perform stratified treatment on the water and sediment in the sewage; the connecting pipe is connected with the filter assembly and the sedimentation tank, with It is used to send the sewage filtered by the filter assembly into the sedimentation tank; the dosing component is arranged in the carriage, and is used to add flocculant and coagulant to the sedimentation tank; Discharge from the carriage; the screw-type sludge dewatering machine is connected with the sedimentation tank, which is used to dehydrate the sediment at the bottom of the sedimentation tank to form a mud cake.

By adopting the above technical solution, when pollution occurs in a certain area, the sewage treatment truck can be driven to the corresponding place; then the sewage in the polluted river and pond is pumped into the carriage; It is sent to the sedimentation tank; flocculant and coagulant aid are added, and after a certain period of sedimentation, the sewage in the upper layer of the sedimentation tank is discharged out of the carriage; Dewatering to form mud cakes, which are transported and utilized by other vehicles; the above steps are repeated until the sewage treatment is completed; the treated mud cakes will not be mixed into rivers and ponds, reducing the problem of secondary water pollution.

The present invention is further provided that: the sedimentation box is arranged on the inner top wall of the carriage.

By adopting the above technical solution, the sedimentation tank is arranged on the top wall of the inner side of the box, so that it can be staggered from the components below the box, so that the space of the box can be better utilized, and the processing capacity is also larger.

The present invention is further arranged as follows: the filter assembly includes a filter box, a filter screen fixed in the filter box to divide the filter box into upper and lower layers, and an electric flocculation machine arranged in the lower layer of the filter box; upper layer.

By adopting the above technical solution, when in use, the sewage enters the filter box through the water inlet component, and is first filtered by the filter screen, so that the coarse pollutants will be blocked; then the filtered sewage enters the lower layer, and then is treated by the electric flocculation machine. Electrochemical reaction, some pollutants in sewage form flocs; it is convenient for subsequent treatment.

The present invention is further configured as follows: the drainage assembly includes a drainage pipe, a drainage pump, a sludge drainage pipe and a sludge drainage pump; the upper end of the drainage pipe is connected to the upper part of the sedimentation tank, and the drainage pump is communicated with the drainage pipe, so that the clear water in the upper layer of the sedimentation tank can be pumped out; The sludge discharge pump is connected with the sludge discharge pipe, one end of the sludge discharge pipe is connected with the bottom of the sedimentation tank, and the other end is connected with the stacked screw type sludge dewatering machine.

By adopting the above technical scheme, it is convenient to drain water and send the sediment in the sedimentation tank into the screw-stacked sludge dewatering machine.

The present invention is further provided as follows: the drainage assembly further comprises a flushing pipe, a first valve, a second valve and a third valve; the flushing pipe is connected to the drainage pipe and the mud discharging pipe; the second valve is arranged on the flushing pipe; on the mud pipe and between the flushing pipe and the mud pump; the third valve is connected to the outlet end of the discharge pipe.

By adopting the above technical scheme, when in use, when draining water, close the second valve and open the third valve, and the water is directly discharged; Close the first valve and the third valve, at this time, the water will pass into the screw-type sludge dewatering machine to wash it.

The present invention is further configured as follows: a settling net is arranged in the settling tank, and the settling net divides the settling box into upper and lower layers; the drainage pipe is connected to the upper layer of the settling tank; the sludge discharge pipe is connected to the lower layer of the settling tank; lower level of the box.

By adopting the above technical solution, the sewage and flocs sent from the communication pipe are not easy to reach the upper layer of the sedimentation tank, the sedimentation is faster, and the drainage pipe can start to drain after a short period of sedimentation.

The present invention is further provided as follows: a guide plate is fixedly arranged on the inner wall of the sedimentation tank, and the guide plate is arc-shaped and located above the outlet of the communication pipe, which can guide the sent sewage to flow to the bottom of the sedimentation tank.

By adopting the above technical solution, the guide plate can guide the incoming sewage to flow to the bottom of the sedimentation tank, so that the flocs in the output sewage are less likely to float, and the sedimentation is faster.

The present invention is further configured as follows: the dosing assembly has two sets of equipment, and one set of equipment includes a first dosing box, a first dosing pump and a first dosing pipe; one end of the first dosing pipe is connected to the first dosing box and the other One end is connected to the sedimentation tank, and the first dosing pump is connected to the first dosing pipe; the other set of equipment includes a second dosing tank, a second dosing pump and a second dosing pipe; the second dosing pipe is connected to the second dosing pipe tank and sedimentation tank, and the second dosing pump is connected to the second dosing pipe.

By adopting the above technical scheme, it is convenient to add flocculants and coagulants.

To sum up, the present invention has the following beneficial effects:

1. In this way, when there is pollution in a certain area, the sewage treatment truck can be driven to the corresponding place; then the sewage in the polluted river and pond is pumped into the carriage; after being filtered by the filter component, it is sent to the sedimentation tank by the connecting pipe. Add flocculant and coagulant aid, after a certain period of sedimentation, the sewage in the upper layer of the sedimentation tank is discharged out of the carriage by the drainage component; then the sediment at the bottom of the sedimentation tank is sent to the screw-type sludge dewatering machine for dehydration to form sludge The cake is transported away by other vehicles and used; the above steps are repeated until the sewage treatment is completed; the treated mud cake will not be mixed into the river and pond, which reduces the problem of secondary pollution of the water body;

2. Put the sedimentation box on the inner top wall of the box, so that it can be staggered from the lower parts of the box, making better use of the box space and larger processing capacity;

3. The drainage components have been improved to make the cleaning of the screw-type sludge dewatering machine more convenient;

4. Set up sedimentation net and guide plate to make the sedimentation effect of sewage faster.

Description of drawings

Figure 1 is a schematic diagram of the external structure of a sewage treatment vehicle;

Fig. 2 is the structural schematic diagram of the inside of the box body of the sewage treatment vehicle;

Figure 3 is a schematic structural diagram of the interior of the sewage treatment vehicle box from another perspective;

Figure 4 is a cross-sectional view of a screw-stacked sludge dewatering machine;

Figure 5 is a cross-sectional view of the sedimentation tank.

In the figure, 1, car body; 2, carriage; 3, water inlet assembly; 30, water inlet pipe; 31, self-priming pump; 4, filter assembly; 40, filter box; 41, filter screen; 42, electric flocculation machine; 5. Connecting pipe; 50. Lifting pump; 6. Settling tank; 60. Settling net; 61. Guide plate; A dosing pump; 73, the second dosing pump; 74, the first dosing pipe; 75, the second dosing pipe; 8, the drain assembly; 80, the drain pipe; 81, the drain pump; 82, the flushing pipe; 83 , sludge discharge pipe; 84, sludge discharge pump; 85, the first valve; 86, the second valve; 87, the third valve; 9, the screw-type sludge dewatering machine; 90, the frame; 91, the mixing box; 92 , screw shaft; 93, drive motor; 94, mud bucket; 95, swimming ring; 96, filtrate tank; 960, drain pipe.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

Example

1, 2, and 3, a sewage treatment vehicle includes a vehicle body 1, a carriage 2, a water inlet assembly 3, a filter assembly 4, a communication pipe 5, a sedimentation tank 6, a dosing assembly 7, a drainage assembly 8 and Stacked screw type sludge dewatering machine 9; carriage 2 is fixed on car body 1, and openable door panels are provided on both sides and rear of carriage 2 for internal equipment and external communication; water inlet assembly 3 is arranged in carriage 2, It is used to introduce external sewage into the treatment equipment in the carriage 2; the filter assembly 4 is communicated with the water inlet assembly 3 for preliminary filtration of the introduced sewage; the sedimentation tank 6 is arranged on the inner top wall of the carriage 2 for The water and sediment in the sewage are treated in layers; the communication pipe 5 is connected to the filter assembly 4 and the sedimentation tank 6 for sending the sewage filtered by the filter assembly 4 into the sedimentation tank 6; the dosing assembly 7 is arranged in the carriage 2 , used to add flocculants and coagulants to the sedimentation tank 6; the drainage assembly 8 is connected to the sedimentation tank 6, and is used to discharge the water in the upper layer of the sedimentation tank 6 to the carriage 2; , used to dehydrate the sediment at the bottom of the sedimentation tank 6 to form a mud cake for subsequent use.

In this way, when there is pollution in a certain area, the sewage treatment truck can be driven to the corresponding place; then the sewage in the polluted river and pond is pumped into the carriage 2; after being filtered by the filter element 4, it is sent to the sedimentation by the communication pipe 5 Add flocculant and coagulant aid, after a certain period of precipitation, the sewage on the upper layer of the sedimentation tank 6 is discharged out of the carriage 2 by the drainage assembly 8; then the sediment at the bottom of the sedimentation tank 6 is sent into the screw-type sludge dewatering The machine 9 is dehydrated to form mud cakes, which are transported away by other vehicles and used; the above steps are repeated until the sewage treatment is completed; the treated mud cakes will not be mixed into rivers and ponds, reducing the problem of secondary pollution of water bodies.

During the treatment process, the treated water can be discharged to other places first, which can improve the efficiency of sewage treatment and make the treatment more thorough; under limited conditions, the treated water can be discharged into the original river channels and ponds In the process of multi-circulation treatment several times, it can play a role in reducing the content of pollutants in rivers and ponds.

The sedimentation box 6 is arranged on the inner top wall of the box body 2, so that it can be staggered from the lower parts of the box body 2, so that the space of the box body 2 can be better utilized, and the processing capacity is also larger.

2, the water inlet assembly 3 includes a water inlet pipe 30 and a self-priming pump 31 connected to the water inlet pipe 30; the suction end of the water inlet pipe 30 can use a hose, which is convenient to put into a river or a pond; when the self-priming pump 31 works, The sewage can be sucked into the filter assembly 4 .

2 and 3, the filter assembly 4 includes a filter box 40, a filter screen 41 fixed in the filter box 40 to divide the filter box 40 into upper and lower layers, and an electric flocculation machine 42 arranged on the lower layer of the filter box 40; The water outlet end of 30 is connected to the upper layer of the filter box 40 .

When in use, the sewage enters the filter box 40 through the water inlet pipe 30, and is first filtered by the filter screen 41, so that the coarse pollutants will be blocked; then the filtered sewage enters the lower layer, and then the electro-flocculation machine 42 is processed. After electrochemical reaction , some pollutants in the sewage form flocs.

Referring to FIG. 2 , a lift pump 50 is arranged on the communication pipe 5 , and the lift pump 50 can send the sewage and the flocs in the lower layer of the filter box 40 into the sedimentation tank 6 together.

Referring to FIG. 2 , the dosing assembly 7 has two sets of equipment for adding flocculants and coagulants respectively; the equipment for adding flocculants includes a first dosing tank 70 , a first dosing pump 72 and a first dosing pump 72 . The medicine pipe 74; the first medicine addition box 70 is filled with flocculant, one end of the first medicine addition pipe 74 is connected with the first medicine addition box 70 and the other end is connected with the sedimentation tank 6, and the first medicine addition pump 72 is connected with the first medicine addition pipe 74, the flocculant can be pumped into the sedimentation tank 6; the equipment for adding the coagulation aid includes a second dosing tank 71, a second dosing pump 73 and a second dosing pipe 75; the second dosing tank 71 is equipped with a coagulant aid, the second dosing pipe 75 is connected to the second dosing tank 71 and the sedimentation tank 6, and the second dosing pump 73 is connected to the second dosing pipe 75, which can pump the coagulant aid to the sedimentation tank 6 in.

3 , the drainage assembly 8 includes a drainage pipe 80, a drainage pump 81, a sludge drainage pipe 83 and a sludge drainage pump 84; The clear water in the upper layer of the tank 6 is drawn out; the mud discharge pump 84 is communicated with the mud discharge pipe 83, one end of the mud discharge pipe 83 is communicated with the bottom of the sedimentation tank 6, and the other end is communicated with the stacked screw type sludge dewatering machine 9; when the mud discharge pump 84 is working, The sediment at the bottom of the sedimentation tank 6 can be sent to the screw-type sewage dewatering machine 9 .

In order to facilitate the cleaning of the screw-stacked sludge dewatering machine 9, we have improved the drainage assembly 8 so that the treated water can enter the screw-stacked sewage dewatering machine 9 for flushing. The specific structure is that the drain assembly 8 further includes a flushing pipe 82, a first valve 85, a second valve 86 and a third valve 87; the flushing pipe 82 communicates with the draining pipe 80 and the mud discharging pipe 83; the second valve 86 is arranged in the flushing pipe 82; the first valve 85 is arranged on the sludge discharge pipe 83, and is located between the flushing pipe 82 and the sludge discharge pump 84; the third valve 87 is connected to the outlet end of the drain pipe 80.

When in use, when draining water, close the second valve 86 and open the third valve 87, and the water is directly discharged; when flushing the screw-type sludge dewatering machine 9, open the second valve 86 and close the first valve 86. A valve 85 and a third valve 87, at this time, the water will be passed into the stacked screw type sludge dewatering machine 9 to wash it.

Referring to Fig. 3 and Fig. 4, the screw-stacked sludge dewatering machine 9 can adopt any one on the existing market; for example, the screw-stacked sludge dewatering machine 9 of the environmental protection series of Weifang Wanjie Environmental Protection Company can also adopt the patent number of The screw-stacked sludge dewatering machine 9 disclosed in CN201910312165.5, CN201820966052.8, and CN201510557941.X.

The existing stacked screw type sludge dewatering machine 9 generally includes a frame 90, a mixing box 91, a screw shaft 92, a drive motor 93, a mud bucket 94, a swimming ring 95, and a filtrate tank 96; wherein the mixing box 91 is inclined at the On the frame 90; the screw shaft 92 is arranged in the mixing box 91 along the length direction of the mixing box 91; the driving motor 93 is fixed on the higher end of the mixing box 91, and the output end is connected to the end of the screw shaft 92 through the gearbox, driving The motor 93 can drive the screw shaft 92 to rotate; the mud bucket 94 is arranged at the outlet of the mixing box 91, and the top thereof corresponds to the driving motor 93; the traveling ring 95 is arranged inside the mixing box 91; The lower end of the filtrate tank 96 is provided with a drain pipe 960 for discharging the filtrate; the pitch of the blades on the screw shaft 92 gradually decreases as the screw shaft 92 goes up. The sludge discharge pipe 93 communicates with the lower end of the mixing tank 91 .

When in use, the driving motor 93 drives the screw shaft 92 to rotate; the sediment sent from the sludge discharge pipe 93 is first concentrated by gravity through gravity, and when the screw shaft 92 is transported to the top, it will follow the screw shaft 92 and the swimming ring. The filter gap formed by 95 gradually becomes smaller and the pitch on the screw shaft 92 gradually becomes smaller, and the sediment in it produces a great internal pressure with the extrusion, so as to achieve the purpose of full dehydration; And the mud cake produced is discharged from the mud hopper 94.

5 , a settling net 60 is provided in the sedimentation tank 6, and the sedimentation net 60 divides the sedimentation box 6 into two upper and lower layers; the drain pipe 80 is connected to the upper layer of the sedimentation tank 6; the sludge discharge pipe 83 is connected to the lower layer of the sedimentation tank 6 The communication pipe 5 is connected to the lower layer of the sedimentation tank 6; the first dosing pipe 74 and the second dosing pipe 75 are connected to the lower layer of the sedimentation tank 6. In this way, the sewage and flocs sent from the communication pipe 5 are not easy to reach the upper layer of the sedimentation tank 6, the sedimentation is faster, and the drainage pipe 80 can start to drain after a short period of sedimentation.

For faster sedimentation, a guide plate 61 is fixed on the inner wall of the sedimentation tank 6. The guide plate 61 is arc-shaped and located above the outlet of the communication pipe 5, which can guide the incoming sewage to flow to the bottom of the sedimentation tank 6. Furthermore, the flocs in the output sewage are less likely to float and settle more quickly.

Referring to Figure 2 and Figure 3, when the sewage treatment vehicle is in use, first fill the sedimentation tank 6, then add flocculants and coagulants, and after a period of sedimentation, use the drainage assembly 8 to discharge the sewage on the upper layer of the sedimentation tank 6; then The sludge in the lower layer of the sedimentation tank 6 is sent to the screw-type sludge dewatering machine 9 for processing, until the sediment in the sedimentation tank 6 is processed; sewage treatment clean.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention shall be covered by the present invention. within the scope of protection of the invention.

Claims (8)

1. A sewage treatment vehicle, characterized in that: it comprises a vehicle body (1), a carriage (2), a water inlet assembly (3), a filter assembly (4), a communication pipe (5), a sedimentation tank (6), a The medicine assembly (7), the drainage assembly (8) and the screw-stacked sludge dewatering machine (9); the carriage (2) is fixed on the car body (1), and the carriage (2) is provided with an openable door panel for The internal equipment is communicated with the outside; the water inlet assembly (3) is arranged in the carriage (2) for introducing external sewage into the treatment equipment in the carriage (2); the filter assembly (4) is communicated with the water inlet assembly (3), It is used for preliminary filtration of the introduced sewage; the sedimentation tank (6) is arranged in the carriage (2), and is used for stratified treatment of the water and sediment in the sewage; the communication pipe (5) communicates with the filter assembly (4) and a sedimentation tank (6), for sending the sewage filtered by the filter assembly (4) into the sedimentation tank (6); the dosing component (7) is arranged in the carriage (2) and used for sending the sewage to the sedimentation tank (6) Flocculant and coagulant are added in the middle; the drainage assembly (8) is connected to the sedimentation tank (6), and is used to discharge the water in the upper layer of the sedimentation tank (6) into the carriage (2); the screw-type sludge dewatering machine (9) is connected with the sedimentation The tank (6) is communicated for dewatering the sediment at the bottom of the sedimentation tank (6) to form a mud cake. 2 . The sewage treatment vehicle according to claim 1 , wherein the sedimentation tank ( 6 ) is arranged on the inner top wall of the carriage ( 2 ). 3 . 3. A sewage treatment vehicle according to claim 1, characterized in that: the filter assembly (4) comprises a filter box (40), which is fixed in the filter box (40) to divide the filter box (40) into upper and lower parts. The filter screen (41) of the layer and the electric flocculation machine (42) arranged in the lower layer of the filter box (40); the water outlet end of the water inlet assembly (3) is connected to the upper layer of the filter box (40). 4. A sewage treatment vehicle according to claim 1, characterized in that: the drainage assembly (8) comprises a drainage pipe (80), a drainage pump (81), a sludge drainage pipe (83) and a sludge drainage pump (84) The upper end of the drainage pipe (80) is communicated with the upper part of the sedimentation tank (6), and the drainage pump (81) is communicated with the drainage pipe (80), so that the clear water in the upper layer of the sedimentation tank (6) can be pumped out; The mud discharge pipe (83) is connected, one end of the mud discharge pipe (83) is connected to the bottom of the sedimentation tank (6), and the other end is connected to the screw-stacked sludge dewatering machine (9). 5. A sewage treatment vehicle according to claim 4, characterized in that: the drainage assembly (8) further comprises a flushing pipe (82), a first valve (85), a second valve (86) and a third valve ( 87); the flushing pipe (82) communicates with the draining pipe (80) and the mud discharging pipe (83); the second valve (86) is arranged on the flushing pipe (82); the first valve (85) is arranged on the mud discharging pipe (83) ), and is located between the flushing pipe (82) and the sludge discharge pump (84); the third valve (87) is connected to the outlet end of the drain pipe (80). 6. A kind of sewage treatment vehicle according to claim 4, is characterized in that: settling box (6) is provided with settling net (60), settling net (60) divides settling box (6) into upper and lower two layers The drain pipe (80) is connected to the upper layer of the sedimentation tank (6); the sludge discharge pipe (83) is connected to the lower layer of the sedimentation tank; the communication pipe (5) is connected to the lower layer of the sedimentation tank (6). 7 . The sewage treatment vehicle according to claim 6 , wherein a guide plate ( 61 ) is fixedly arranged on the inner wall of the sedimentation tank ( 6 ), and the guide plate ( 61 ) is arc-shaped and located in the connecting pipe. 8 . (5) Above the outlet, the incoming sewage can be guided to flow to the bottom of the sedimentation tank (6). 8. A sewage treatment vehicle according to claim 1, characterized in that: the dosing assembly (7) has two sets of equipment, and one set of equipment comprises a first dosing tank (70), a first dosing pump (72) ) and the first dosing pipe (74); one end of the first dosing pipe (74) is connected to the first dosing tank (70) and the other end is connected to the sedimentation tank (6), and the first dosing pump (72) is connected to the first dosing tank (70). a medicine dosing pipe (74); another set of equipment includes a second dosing box (71), a second dosing pump (73) and a second dosing pipe (75); the second dosing pipe (75) communicates with the second dosing pipe (75) The dosing tank (71) and the sedimentation tank (6), and the second dosing pump (73) are connected to the second dosing pipe (75).