Pretreatment tank for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment pretreatment pool which comprises a first filter box, a second filter box, a feeding pipe, a slag discharging pipe, a motor, a rotating shaft, a plurality of arc-shaped scraping plates, a grating plate, a connecting pipe, an air outlet pipe, a disinfection assembly, a water adding assembly and a sewage discharging assembly. Sewage falls into the second filter box from the connecting pipe, a motor is started to drive a rotating shaft to rotate, so that an arc-shaped scraping plate cleans a grating plate, residual impurities on the grating plate are discharged from a residue discharging pipe, and at the moment, the sewage is discharged out of the second filter box after being cleaned and diluted by a disinfection assembly, a water adding assembly and a sewage discharging assembly in the second filter box; a gas outlet pipe can discharge internal gas out of the second filter box, and the grating plate is cleaned in such a manner, so that the condition that the grating plate is blocked is effectively avoided, and the pretreatment effect and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment pretreatment pool. Background Art

[0002] Sewage is an important component of environmental pollution. As the country continues to promote green environmental protection, sewage treatment has received more and more attention. Before sewage undergoes a series of treatments such as microbial purification and filtration, it needs to be pretreated. The main purpose is to remove larger impurities and precipitated silt. Sewage contains a lot of impurities. If it flows directly into the sewage treatment equipment, it will cause the filter to be blocked or even damage the equipment.

[0003] Most existing pretreatment tanks filter larger impurities through grid plates. If they are not cleaned for a long time, the grid plates may become clogged, affecting the efficiency and quality of the treatment. Utility Model Content

[0004] The utility model aims to provide a sewage treatment pretreatment tank, aiming to solve the problem that most existing pretreatment tanks in the prior art filter larger impurities through grid plates, and long-term use without cleaning may cause grid plate blockage, affecting treatment efficiency and quality.

[0005] To achieve the above-mentioned purpose, the utility model provides a sewage treatment pretreatment tank, including a first filter box, a second filter box, a feed pipe, a slag discharge pipe, a motor, a rotating shaft, a plurality of arc-shaped scrapers, a grille plate, a connecting pipe, an air outlet pipe, a disinfection component, a water adding component and a sewage discharge component, wherein the connecting pipe is connected to the second filter box and is located above the second filter box, the first filter box is connected to the connecting pipe and is located above the connecting pipe, the feed pipe is connected to the first filter box and is located above the first filter box, the motor is fixedly connected to the first filter box and is located above the first filter box, the rotating shaft is arranged on the inner side wall of the first filter box, and the output end of the motor is fixedly connected to the rotating shaft and is located The slag discharge pipe is connected to the first filter box and is located on one side of the first filter box. The grille plate is fixedly connected to the first filter box and is located on the inner wall of the first filter box, and the grille plate is in contact with the slag discharge pipe. A plurality of arc scrapers are fixedly connected to the rotating shaft and are respectively located on the outer walls of the rotating shaft, and a plurality of arc scrapers are in contact with the grille plate. The air outlet pipe is connected to the second filter box and is located above the second filter box. The disinfection component is arranged above the second filter box. The water addition component is arranged above the second filter box. The sewage discharge component is arranged on one side of the second filter box.

[0006] Wherein, the disinfection component includes a storage tank, a solenoid valve, a medicine outlet pipe and a controller, the medicine outlet pipe is connected to the second filter box and is located above the second filter box, the storage tank is connected to the medicine outlet pipe and is located above the medicine outlet pipe, the solenoid valve is connected to the medicine outlet pipe and is located in the middle of the medicine outlet pipe, the controller is fixedly connected to the storage tank and is located on the outer wall of the storage tank, and the controller is electrically connected to the solenoid valve and the motor.

[0007] Among them, the water adding assembly includes a water tank, a water outlet pipe and a water pump. The water tank is fixedly connected to the second filter box and is located above the second filter box. The water pump is fixedly connected to the water tank and is located on the inner bottom wall of the water tank. The water outlet pipe is connected to the water pump and is located at the output end of the water pump, and the water outlet pipe passes through the water tank and the second filter box in sequence.

[0008] Wherein, the sewage discharge assembly includes a sewage pipe, a sewage pump, a connecting bin, a filter frame and a filter plate; the filter frame is fixedly connected to the second filter box and is located on the outer side wall of the second filter box; the sewage pump is fixedly connected to the second filter box and is located on the inner bottom wall of the second filter box; the filter plate is detachably connected to the filter frame and is located on the inner side wall of the filter frame; the sewage pipe is connected to the sewage pump and is located at the output end of the sewage pump; one end of the connecting bin is connected to the second filter box and is located on one side of the second filter box; the other end of the connecting bin is connected to the filter frame and is located below the filter frame.

[0009] Wherein, the sewage treatment pretreatment tank also includes a filter component, and the filter component is arranged above the air outlet pipe.

[0010] Wherein, the filter assembly includes a filter tube and an activated carbon filter, the filter tube is connected to the air outlet pipe and is located above the air outlet pipe, and the activated carbon filter is detachably connected to the air outlet pipe and is located on the inner wall of the air outlet pipe.

[0011] The utility model discloses a sewage treatment pretreatment tank, which utilizes the feed pipe to discharge sewage into the first filter box, and after being filtered by the grille plate, the sewage falls from the connecting pipe into the second filter box, and the motor is started to drive the rotating shaft to rotate, so that the arc scraper cleans the surface wall of the grille plate, and the large impurities remaining on the grille plate are discharged from the slag discharge pipe to avoid the clogging of the grille plate. At this time, the sewage in the second filter box is cleaned and diluted by the disinfection component, the water addition component and the sewage discharge component before being discharged from the second filter box, and the air outlet pipe can discharge the internal gas from the second filter box. The grille plate is cleaned in this way, which effectively avoids the clogging of the grille plate and improves the effect and quality of the pretreatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is an overall right side view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line section view.

[0016] Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0017] Figure 5 It is an overall right side view of the second embodiment of the utility model.

[0018] 101-first filter box, 102-second filter box, 103-feed pipe, 104-slag discharge pipe, 105-motor, 106-rotating shaft, 107-arc scraper, 108-grating plate, 109-connecting pipe, 110-air outlet pipe, 111-disinfection component, 112-water adding component, 113-sewage discharge component, 114-storage tank, 115-solenoid valve, 116-drug discharge pipe, 117-controller, 118-water storage tank, 119-water outlet pipe, 120-water pump, 121-sewage discharge pipe, 122-sewage pump, 123-connecting bin, 124-filter frame, 125-filter plate, 201-filter component, 202-filter pipe, 203-activated carbon filter. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] First embodiment:

[0021] See also Figures 1 to 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is the overall right side view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line section view.

[0022] The utility model provides a sewage treatment pretreatment pool, including a first filter box 101, a second filter box 102, a feed pipe 103, a slag discharge pipe 104, a motor 105, a rotating shaft 106, a plurality of arc scrapers 107, a grid plate 108, a connecting pipe 109, an air outlet pipe 110, a disinfection component 111, a water adding component 112 and a sewage discharge component 113, wherein the disinfection component 111 includes a storage tank 114, a solenoid valve 115, a medicine outlet pipe 116 and a controller 117, the water adding component 112 includes a water storage tank 118, a water outlet pipe 119 and a water pump 120, and the sewage discharge component 113 includes a sewage discharge pipe 121, a sewage discharge pump 122, a connecting bin 123, a filter frame 124 and a filter plate 125.

[0023] According to this specific embodiment, the connecting pipe 109 is connected to the second filter box 102 and is located above the second filter box 102. The first filter box 101 is connected to the connecting pipe 109 and is located above the connecting pipe 109. The feeding pipe 103 is connected to the first filter box 101 and is located above the first filter box 101. The motor 105 is fixedly connected to the first filter box 101 and is located above the first filter box 101. The rotating shaft 106 is arranged on the inner side wall of the first filter box 101, and the output end of the motor 105 is fixedly connected to the rotating shaft 106. and is located above the rotating shaft 106, and the output end of the motor 105 passes through the first filter box 101, the slag discharge pipe 104 is communicated with the first filter box 101 and is located on one side of the first filter box 101, the grid plate 108 is fixedly connected to the first filter box 101 and is located on the inner wall of the first filter box 101, and the grid plate 108 is in contact with the slag discharge pipe 104, the plurality of arc scrapers 107 are all fixedly connected to the rotating shaft 106 and are respectively located on the outer side walls of the rotating shaft 106, and the plurality of arc scrapers 107 are in contact with the grid plate 108, and the air outlet pipe 11 0 is connected to the second filter box 102 and is located above the second filter box 102, the disinfection component 111 is arranged above the second filter box 102, the water adding component 112 is arranged above the second filter box 102, and the sewage discharge component 113 is arranged on one side of the second filter box 102. The sewage is discharged into the first filter box 101 by using the feed pipe 103, and after being filtered by the grid plate 108, it falls from the connecting pipe 109 into the second filter box 102, and the motor 105 is started to drive the rotating shaft 106 to rotate, so that the arc scraper 107 The surface wall of the grille plate 108 is cleaned, and the large impurities remaining on the grille plate 108 are discharged from the slag discharge pipe 104 to avoid clogging of the grille plate 108. At this time, the sewage is in the second filter box 102, and is cleaned and diluted by the disinfection component 111, the water addition component 112 and the sewage discharge component 113 before being discharged from the second filter box 102, and the air outlet pipe 110 can discharge the internal gas from the second filter box 102. The grille plate 108 is cleaned in this way, which effectively avoids clogging of the grille plate 108 and improves the effect and quality of pretreatment.

[0024] Among them, the medicine outlet pipe 116 is connected to the second filter box 102 and is located above the second filter box 102, the storage tank 114 is connected to the medicine outlet pipe 116 and is located above the medicine outlet pipe 116, the solenoid valve 115 is connected to the medicine outlet pipe 116 and is located in the middle of the medicine outlet pipe 116, the controller 117 is fixedly connected to the storage tank 114 and is located on the outer wall of the storage tank 114, and the controller 117 is electrically connected to the solenoid valve 115 and the motor 105. The controller 117 uses programming to control the motor 105 and the solenoid valve 115, so that the disinfectant in the storage tank 114 can evenly fall from the medicine outlet pipe 116 into the second filter box 102, disinfect the sewage in advance, and improve the disinfection effect of the pretreatment.

[0025] Secondly, the water tank 118 is fixedly connected to the second filter box 102 and is located above the second filter box 102. The water pump 120 is fixedly connected to the water tank 118 and is located on the inner bottom wall of the water tank 118. The water outlet pipe 119 is connected to the water pump 120 and is located at the output end of the water pump 120. The water outlet pipe 119 passes through the water tank 118 and the second filter box 102 in sequence. The water pump is opened to discharge the clean water in the water tank 118 into the second filter box 102 through the water outlet pipe 119, so as to dilute the sewage, reduce the concentration of the sewage, and cooperate with disinfectants to improve the effect of pretreatment.

[0026] At the same time, the filter frame 124 is fixedly connected to the second filter box 102 and is located on the outer side wall of the second filter box 102. The sewage pump 122 is fixedly connected to the second filter box 102 and is located on the inner bottom wall of the second filter box 102. The filter plate 125 is detachably connected to the filter frame 124 and is located on the inner side wall of the filter frame 124. The sewage pipe 121 is connected to the sewage pump 122 and is located at the output end of the sewage pump 122. One end of the connecting chamber 123 is connected to the second filter box 102 and is located on one side of the second filter box 102. The other end of the connecting chamber 123 is connected to the filter frame 124 and is located below the filter frame 124. The sewage pump 122 is started to make the silt and sand impurities flow from the sewage pipe 121 to the filter plate 125. After filtering the silt and sand impurities, the silt and sand impurities flow back to the second filter box 102 from the connecting chamber 123, thereby reducing the silt and sand impurities remaining in the sewage.

[0027] When using the sewage treatment pretreatment tank of the utility model, the sewage is discharged into the first filter box 101 by using the feed pipe 103. After being filtered by the grid plate 108, the sewage falls from the connecting pipe 109 into the second filter box 102. The motor 105 is started to drive the rotating shaft 106 to rotate, so that the arc scraper 107 cleans the surface wall of the grid plate 108, and the large impurities remaining on the grid plate 108 are discharged from the slag discharge pipe 104 to avoid the grid plate 108 from being blocked. At this time, the sewage is in the second filter box 102, and the controller 117 controls the motor 105 and the solenoid valve 115 by programming, so that the disinfectant in the storage tank 114 can be evenly discharged from the drug discharge pipe 11 6 falls into the second filter box 102, the pumping pipe is opened, and the clean water in the water storage tank 118 is discharged into the second filter box 102 through the outlet pipe 119 to dilute the sewage and reduce the concentration of the sewage. The pretreatment effect is improved by combining with disinfectants, and the sewage pump 122 is started to make the silt and sand impurities flow from the sewage pipe 121 to the filter plate 125. After the silt and sand impurities are filtered, they flow back to the second filter box 102 from the connecting compartment 123 to reduce the silt and sand impurities remaining in the sewage. The outlet pipe 110 can discharge the internal gas from the second filter box 102. In this way, the grille plate 108 is cleaned, which effectively avoids the clogging of the grille plate 108 and improves the effect and quality of the pretreatment.

[0028] Second embodiment:

[0029] Based on the first embodiment, please refer to Figure 4 and Figure 5 ,in, Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5 It is an overall right side view of the second embodiment of the utility model.

[0030] The utility model provides a sewage treatment pretreatment pool, which also includes a filter component 201. The filter component 201 includes a filter tube 202 and an activated carbon filter screen 203.

[0031] According to this specific embodiment, the filter assembly 201 is arranged above the outlet pipe 110. Adding the filter assembly 201 can reduce the odor of the exhaust gas in the outlet pipe 110, effectively reduce the pollution of the environment by the odor, and improve the comfort of the working environment of the staff.

[0032] Among them, the filter tube 202 is connected to the outlet pipe 110 and is located above the outlet pipe 110. The activated carbon filter 203 is detachably connected to the outlet pipe 110 and is located on the inner wall of the outlet pipe 110. With the cooperation of the activated carbon filter 203 and the filter tube 202, the odor of the exhaust gas in the outlet pipe 110 can be reduced, effectively reducing the pollution of the environment by the odor and improving the comfort of the working environment of the staff.

[0033] When using a sewage treatment pretreatment tank of the utility model, the cooperation of the activated carbon filter 203 and the filter tube 202 can reduce the odor of the exhaust gas in the outlet pipe 110, effectively reduce the pollution of the environment by the odor, and improve the comfort of the working environment of the staff.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A sewage treatment pretreatment tank, characterized in that: It includes a first filter box, a second filter box, a feed pipe, a slag discharge pipe, a motor, a rotating shaft, a plurality of arc scrapers, a grille plate, a connecting pipe, an air outlet pipe, a disinfection component, a water adding component and a sewage discharge component, the connecting pipe is connected to the second filter box and is located above the second filter box, the first filter box is connected to the connecting pipe and is located above the connecting pipe, the feed pipe is connected to the first filter box and is located above the first filter box, the motor is fixedly connected to the first filter box and is located above the first filter box, the rotating shaft is arranged on the inner side wall of the first filter box, the output end of the motor is fixedly connected to the rotating shaft and is located above the rotating shaft, and the motor The output end of passes through the first filter box, the slag discharge pipe is communicated with the first filter box and is located on one side of the first filter box, the grille plate is fixedly connected to the first filter box and is located on the inner wall of the first filter box, and the grille plate is in contact with the slag discharge pipe, a plurality of the arc scrapers are fixedly connected to the rotating shaft and are respectively located on the outer side walls of the rotating shaft, and a plurality of the arc scrapers are in contact with the grille plate, the air outlet pipe is communicated with the second filter box and is located above the second filter box, the disinfection assembly is arranged above the second filter box, the water addition assembly is arranged above the second filter box, and the sewage discharge assembly is arranged on one side of the second filter box.

2. The sewage treatment pretreatment tank according to claim 1, characterized in that: The disinfection component includes a storage tank, a solenoid valve, a medicine outlet pipe and a controller. The medicine outlet pipe is connected to the second filter box and is located above the second filter box. The storage tank is connected to the medicine outlet pipe and is located above the medicine outlet pipe. The solenoid valve is connected to the medicine outlet pipe and is located in the middle of the medicine outlet pipe. The controller is fixedly connected to the storage tank and is located on the outer wall of the storage tank, and the controller is electrically connected to the solenoid valve and the motor.

3. The sewage treatment pretreatment tank according to claim 2, characterized in that: The water adding assembly includes a water tank, a water outlet pipe and a water pump. The water tank is fixedly connected to the second filter box and is located above the second filter box. The water pump is fixedly connected to the water tank and is located on the inner bottom wall of the water tank. The water outlet pipe is connected to the water pump and is located at the output end of the water pump. The water outlet pipe passes through the water tank and the second filter box in sequence.

4. The sewage treatment pretreatment tank according to claim 3, characterized in that: The sewage discharge assembly includes a sewage pipe, a sewage pump, a connecting bin, a filter frame and a filter plate. The filter frame is fixedly connected to the second filter box and is located on the outer side wall of the second filter box. The sewage pump is fixedly connected to the second filter box and is located on the inner bottom wall of the second filter box. The filter plate is detachably connected to the filter frame and is located on the inner side wall of the filter frame. The sewage pipe is connected to the sewage pump and is located at the output end of the sewage pump. One end of the connecting bin is connected to the second filter box and is located on one side of the second filter box. The other end of the connecting bin is connected to the filter frame and is located below the filter frame.

5. The sewage treatment pretreatment tank according to claim 4, characterized in that: The sewage pretreatment tank also includes a filter assembly, and the filter assembly is arranged above the air outlet pipe.

6. The sewage treatment pretreatment tank according to claim 5, characterized in that: The filter assembly includes a filter tube and an activated carbon filter screen. The filter tube is connected to the air outlet pipe and is located above the air outlet pipe. The activated carbon filter screen is detachably connected to the air outlet pipe and is located on the inner wall of the air outlet pipe.

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