Sewage treatment equipment for CNG (compressed natural gas) field station

Abstract

The utility model relates to the field of sewage treatment, in particular to CNG (compressed natural gas) field station sewage treatment equipment which comprises a sedimentation tank, an anaerobic tank, an aerobic tank and a sewage treatment component, and the sewage treatment component comprises a round pipe, a motor, an auger, a discharge pipe, a first water pump, a second water pump, a first communicating pipe and a second communicating pipe; the anaerobic tank and the aerobic tank are used for treating microorganisms in sewage, the motor drives the auger to rotate, the auger slowly rotates to prevent impurities which are precipitated due to too high rotating speed, and the feed port is formed in one end, far away from the motor, of the round pipe, so that precipitates conveniently enter the round pipe; impurities are lifted and discharged from a discharging pipe in the rotating process of the auger, settled sewage is pumped into an anaerobic tank through a first communicating pipe by a first water pump, sewage treated by the anaerobic tank is pumped into an aerobic tank through a second communicating pipe by a second water pump, and a water outlet pipe is arranged at one end of the aerobic tank, so that the device is conveniently communicated with subsequent treatment.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a CNG station sewage treatment device. Background Art

[0002] The natural gas extracted from the mineral deposits is a very complex mixture of hydrocarbons and contains a small amount of non-hydrocarbon impurities. Among them, non-hydrocarbon impurities often contain H2S, CO2 and organic sulfides. Due to the presence of water, these gas components will generate acid or acid solution, causing serious corrosion of gas pipelines and equipment. Therefore, it is necessary to purify it to reach the national commercial pipeline natural gas quality standard or recycle it into CNG quality standard. During the processing, it is necessary to treat the wastewater generated during the processing.

[0003] There is an existing sewage treatment equipment (CN206553366U), which includes a first treatment tank, a second treatment tank, a third treatment tank and a water storage tank. A water inlet is arranged at the upper end of the first treatment tank, a first filter layer is horizontally arranged inside the first treatment tank, the first treatment tank and the second treatment tank are connected by a first pumping pump, a biological reaction mechanism is arranged inside the second treatment tank, a second pumping pump is arranged between the second treatment tank and the third treatment tank, a disinfection layer and a second filter layer are arranged in sequence from top to bottom inside the third treatment tank, the third treatment tank and the water storage tank are connected by a third pumping pump, a fourth pumping pump is arranged at the upper end of the water storage tank, and a water pump controller is also arranged on the side of the water storage tank.

[0004] However, in the above utility model, impurities are accumulated on the filter plate, which easily leads to clogging of the filter plate, affecting filtration, and the filter plate cannot be cleaned during use, resulting in low processing efficiency. Utility Model Content

[0005] The utility model aims to provide a CNG station sewage treatment equipment, aiming to solve the problem that impurities accumulate on the filter plate of the existing device, which easily leads to clogging of the filter plate, affects filtration, and cannot be cleaned during use, resulting in low processing efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides a CNG station sewage treatment equipment, including a sedimentation tank, an anaerobic tank, an aerobic tank and a sewage treatment component, wherein the anaerobic tank is fixedly connected to the aerobic tank and is located on one side of the anaerobic tank, the sedimentation tank is fixedly connected to the anaerobic tank and is located at one end of the anaerobic tank away from the aerobic tank, and the sewage treatment component includes a round pipe, a motor, an auger, a discharge pipe, a first water pump, a second water pump, a first connecting pipe and a second connecting pipe;

[0007] The circular pipe is fixedly connected to the sedimentation tank and is located on the inner side of the sedimentation tank. The discharge pipe is communicated with the circular pipe and is located on one side of the circular pipe. The motor is fixedly connected to the circular pipe and is located on the top of the circular pipe. The auger is fixedly connected to the output end of the motor and is located on one side of the motor. The first water pump is fixedly connected to the anaerobic tank and is located on the top of the anaerobic tank. The second water pump is fixedly connected to the aerobic tank and is located on the top of the aerobic tank. The first connecting pipe is arranged at both ends of the first water pump, and the second connecting pipe is arranged at both ends of the second water pump.

[0008] Wherein, the sewage treatment component also includes a filter plate and an inclined plate, the filter plate is detachably connected to the first connecting pipe and is located on one side of the first connecting pipe, and the inclined plate is fixedly connected to the sedimentation tank and is located on the inner side of the sedimentation tank.

[0009] Wherein, the sewage treatment component also includes a collecting box and a roller. The collecting box is arranged on one side of the sedimentation tank and is located at the bottom of the discharge pipe. The roller is rotatably connected to the collecting box and is located at the bottom of the collecting box.

[0010] Among them, the sewage treatment component also includes a mounting frame, a box body, a feed pipe and a control valve. The mounting frame is arranged at the top of the sedimentation tank. The box body is fixedly connected to the mounting frame and is located at the top of the mounting frame. The feed pipe is fixedly connected to the box body and is located on one side of the box body. The control valve is arranged on the feed pipe.

[0011] Wherein, the sewage treatment component also includes a driving motor and a stirring rod, the driving motor is fixedly connected to the mounting frame and is located on the top of the mounting frame, and the stirring rod is fixedly connected to the output end of the driving motor and is located on one side of the driving motor.

[0012] The utility model discloses a CNG station sewage treatment equipment, wherein the sedimentation tank is used to precipitate large particles, the anaerobic tank is used for anaerobic treatment of microorganisms in sewage, and the aerobic tank is used for aerobic treatment of microorganisms. Impurities to be treated in the sedimentation tank will sink to the bottom of the sedimentation tank, and then the motor drives the auger to rotate, and the auger rotates slowly to prevent the impurities from being affected by excessive rotation speed and affecting the precipitated impurities. A feed port is provided at one end of the round tube away from the motor, so that the precipitate enters the inside of the round tube conveniently. During the rotation of the auger, impurities are lifted and discharged from the discharge pipe. The precipitated sewage is pumped into the anaerobic tank through the first connecting pipe by the first water pump, and the sewage treated in the anaerobic tank is pumped into the aerobic tank through the second connecting pipe by the second water pump. An outlet pipe is provided at one end of the aerobic tank, so that the device is conveniently connected with subsequent treatment, and the problem that impurities in the existing device are accumulated on the filter plate, which easily leads to clogging of the filter plate, affects filtration, and cannot be cleaned during use, resulting in low processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model 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.

[0014] Figure 1 It is a cross-sectional schematic diagram of a CNG station sewage treatment equipment according to the first embodiment of the utility model.

[0015] Figure 2 It is a cross-sectional schematic diagram of a CNG station sewage treatment equipment without a collection box and a roller according to the second embodiment of the utility model.

[0016] 101-sedimentation tank, 102-anaerobic tank, 103-aerobic tank, 104-wastewater treatment component, 105-circular pipe, 106-motor, 107-auger, 108-discharge pipe, 109-first water pump, 110-second water pump, 111-first connecting pipe, 112-second connecting pipe, 113-filter plate, 114-inclined plate, 115-collecting box, 116-roller, 117-mounting frame, 118-box, 119-discharge pipe, 110-control valve, 201-drive motor, 202-stirring rod. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0018] First embodiment

[0019] See also Figure 1 , Figure 1 It is a cross-sectional schematic diagram of a CNG station sewage treatment equipment according to the first embodiment of the utility model.

[0020] The utility model provides a CNG station sewage treatment equipment: including a sedimentation tank 101, an anaerobic tank 102, an aerobic tank 103 and a sewage treatment component 104, wherein the sewage treatment component 104 includes a round pipe 105, a motor 106, an auger 107, a discharge pipe 108, a first water pump 109, a second water pump 110, a first connecting pipe 111, a second connecting pipe 112, a filter plate 113, an inclined plate 114, a collection box 115, a roller 116, a mounting frame 117, a box body 118, a discharge pipe 119 and a control valve 120. The above-mentioned solution solves the problem that impurities are accumulated on the filter plate 113 of the existing device, which easily leads to blockage of the filter plate 113, affects filtration, and cannot be cleaned during use, resulting in low processing efficiency.

[0021] In this embodiment, the anaerobic tank 102 is fixedly connected to the aerobic tank 103 and is located on one side of the anaerobic tank 102. The sedimentation tank 101 is fixedly connected to the anaerobic tank 102 and is located at one end of the anaerobic tank 102 away from the aerobic tank 103. The sedimentation tank 101 is used to precipitate large particles. The anaerobic tank 102 is used for anaerobic treatment of microorganisms in sewage. The aerobic tank 103 is used for aerobic treatment of microorganisms. The impurities to be treated in the sedimentation tank 101 will sink to the bottom of the sedimentation tank 101, and then the motor 106 drives the auger 107 to rotate.

[0022] The circular pipe 105 is fixedly connected to the sedimentation tank 101 and is located on the inner side of the sedimentation tank 101. The discharge pipe 108 is communicated with the circular pipe 105 and is located on one side of the circular pipe 105. The motor 106 is fixedly connected to the circular pipe 105 and is located on the top of the circular pipe 105. The auger 107 is fixedly connected to the output end of the motor 106 and is located on one side of the motor 106. The first water pump 109 is fixedly connected to the anaerobic tank 102 and is located on the top of the anaerobic tank 102. The second water pump 110 is fixedly connected to the aerobic tank 103 and is located on the top of the aerobic tank 103. The first connecting pipe 111 is arranged at both ends of the first water pump 109. The second connecting pipe 112 is arranged at both ends of the second water pump 110. The motor 106 drives the The auger 107 rotates, and the auger 107 rotates slowly to prevent the impurities from being affected by excessive rotation speed and precipitating. A feed port is provided at one end of the circular tube 105 away from the motor 106, so that the precipitate can enter the interior of the circular tube 105 conveniently. During the rotation of the auger 107, the impurities are lifted and discharged from the discharge pipe 108. The precipitated sewage is pumped into the anaerobic tank 102 by the first water pump 109 through the first connecting pipe 111. The sewage treated in the anaerobic tank 102 is pumped into the aerobic tank 103 by the second connecting pipe 112 through the second water pump 110. An outlet pipe is provided at one end of the aerobic tank 103, so that the device is conveniently connected to subsequent treatment, and the problem that impurities in the existing device are accumulated on the filter plate 113, which easily causes the filter plate 113 to be blocked, affects filtration, and cannot be cleaned during use, resulting in low processing efficiency.

[0023] Secondly, the filter plate 113 is detachably connected to the first connecting pipe 111 and is located on one side of the first connecting pipe 111. The inclined plate 114 is fixedly connected to the sedimentation tank 101 and is located on the inner side of the sedimentation tank 101. The filter plate 113 prevents impurities from entering the anaerobic tank 102 through the first connecting pipe 111. The first connecting pipe 111 is a hose that can be easily removed at any time to check whether it is blocked.

[0024] Again, the collecting box 115 is arranged on one side of the sedimentation tank 101 and is located at the bottom of the discharge pipe 108. The roller 116 is rotatably connected to the collecting box 115 and is located at the bottom of the collecting box 115. The collecting box 115 is used to collect discharged impurities, and the roller 116 facilitates the movement of the collecting box 115.

[0025] Finally, the mounting frame 117 is arranged on the top of the sedimentation tank 101, the box body 118 is fixedly connected to the mounting frame 117 and is located on the top of the mounting frame 117, the feed pipe 119 is fixedly connected to the box body 118 and is located on one side of the box body 118, the control valve 120 is arranged on the feed pipe 119, the mounting frame 117 is used to install the box body 118, and medicines that can mix impurities in sewage and increase the quality are added to the box body 118. When the medicine is needed, the control valve 120 is opened to allow the medicine to enter the sedimentation tank 101 from the feed pipe 119.

[0026] When using a CNG station sewage treatment equipment of the utility model, the sedimentation tank 101 is used to precipitate large particles, the anaerobic tank 102 is used for anaerobic treatment of microorganisms in sewage, and the aerobic tank 103 is used for aerobic treatment of microorganisms. The impurities to be treated in the sedimentation tank 101 will sink to the bottom of the sedimentation tank 101, and then the motor 106 drives the auger 107 to rotate. The auger 107 rotates slowly to prevent the impurities from being affected by the excessive rotation speed. The end of the circular tube 105 away from the motor 106 is provided with a feed port to facilitate the precipitate to enter the interior of the circular tube 105. During the rotation of 107, impurities are lifted and discharged from the discharge pipe 108, and the precipitated sewage is pumped into the anaerobic tank 102 by the first water pump 109 through the first connecting pipe 111, and the sewage treated in the anaerobic tank 102 is pumped into the aerobic tank 103 by the second connecting pipe 112 through the second water pump 110. An outlet pipe is arranged at one end of the aerobic tank 103 to facilitate the connection between the device and subsequent treatment, thereby solving the problem that impurities in the existing device are accumulated on the filter plate 113, which easily causes the filter plate 113 to be blocked, affects filtration, and cannot be cleaned during use, resulting in low processing efficiency.

[0027] Second embodiment

[0028] See also Figure 2 , Figure 2 The CNG station sewage treatment equipment of the second embodiment of the utility model is a cross-sectional schematic diagram without a collection box and a roller. Based on the first embodiment, the CNG station sewage treatment equipment of the utility model further includes the sewage treatment component 104 and also includes a drive motor 201 and a stirring rod 202.

[0029] The driving motor 201 is fixedly connected to the mounting frame 117 and is located at the top of the mounting frame 117. The stirring rod 202 is fixedly connected to the output end of the driving motor 201 and is located at one side of the driving motor 201. The stirring rod 202 is driven to rotate by the driving motor 201. The stirring rod 202 is used when adding medicines to fully mix the sewage and the medicines.

[0030] The above disclosure is only a preferred embodiment of a CNG station sewage treatment equipment of the utility model. Of course, this cannot be used to limit the scope of rights of the utility model. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the utility model still fall within the scope covered by the utility model.

Claims

1. A CNG station sewage treatment equipment, comprising a sedimentation tank, an anaerobic tank and an aerobic tank, wherein the anaerobic tank is fixedly connected to the aerobic tank and is located on one side of the anaerobic tank, and the sedimentation tank is fixedly connected to the anaerobic tank and is located at one end of the anaerobic tank away from the aerobic tank, characterized in that: It also includes a sewage treatment component, which includes a round pipe, a motor, an auger, a discharge pipe, a first water pump, a second water pump, a first connecting pipe and a second connecting pipe; The circular pipe is fixedly connected to the sedimentation tank and is located on the inner side of the sedimentation tank. The discharge pipe is communicated with the circular pipe and is located on one side of the circular pipe. The motor is fixedly connected to the circular pipe and is located on the top of the circular pipe. The auger is fixedly connected to the output end of the motor and is located on one side of the motor. The first water pump is fixedly connected to the anaerobic tank and is located on the top of the anaerobic tank. The second water pump is fixedly connected to the aerobic tank and is located on the top of the aerobic tank. The first connecting pipe is arranged at both ends of the first water pump, and the second connecting pipe is arranged at both ends of the second water pump.

2. A CNG station sewage treatment equipment as claimed in claim 1, characterized in that: The sewage treatment component also includes a filter plate and an inclined plate. The filter plate is detachably connected to the first connecting pipe and is located on one side of the first connecting pipe. The inclined plate is fixedly connected to the sedimentation tank and is located on the inner side of the sedimentation tank.

3. A CNG station sewage treatment equipment as claimed in claim 2, characterized in that: The sewage treatment component also includes a collecting box and a roller. The collecting box is arranged on one side of the sedimentation tank and is located at the bottom of the discharge pipe. The roller is rotatably connected to the collecting box and is located at the bottom of the collecting box.

4. A CNG station sewage treatment equipment as claimed in claim 3, characterized in that: The sewage treatment component also includes a mounting frame, a box body, a feed pipe and a control valve. The mounting frame is arranged at the top of the sedimentation tank. The box body is fixedly connected to the mounting frame and is located at the top of the mounting frame. The feed pipe is fixedly connected to the box body and is located on one side of the box body. The control valve is arranged on the feed pipe.

5. A CNG station sewage treatment equipment as claimed in claim 4, characterized in that: The sewage treatment component also includes a driving motor and a stirring rod. The driving motor is fixedly connected to the mounting frame and is located on the top of the mounting frame. The stirring rod is fixedly connected to the output end of the driving motor and is located on one side of the driving motor.

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