Diluting system of high-density pool sludge dewatering machine

Abstract

The utility model provides a high-density pool sludge dewatering machine dilution system which comprises a high-density sedimentation pool, a sludge discharge pipe, a water outlet pipe, a sludge thickness detection device, a mixer, a sludge pump, a dilution pipe, an electric control opening adjusting valve, a controller, a mixing pipe, a sludge concentration detector and a centrifugal machine. The sludge discharge pipe is respectively connected with the bottom of the high-density sedimentation tank and the top of the mixer, the water outlet pipe is connected with the top of the high-density sedimentation tank, the dilution pipe is respectively connected with the water outlet pipe and the top of the mixer, the sludge electric control opening adjusting valve is arranged on the dilution pipe, and the sludge electric control opening adjusting valve is arranged on the dilution pipe. The sludge thickness detection device is arranged in the high-density sedimentation tank, the mixing pipe is respectively connected with the bottom of the mixer and the centrifugal machine, the sludge concentration detector is arranged on the mixing pipe, and the sludge pump is arranged on the sludge discharge pipe. The utility model aims to solve the problem that a centrifugal machine cannot operate normally due to overhigh sludge viscosity of the conventional high-density tank.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and in particular relates to a dilution system for a high-density pool sludge dewatering machine. Background Art

[0002] In recent years, high-density tank technology has entered China and is mainly used in the front-end process of sewage treatment systems and in power plant water purification station systems. Due to limited space in power plants, the flow rate of the coagulation reaction barrel and the flow rate of the entire high-density tank reach the design limit. In order to prevent the alum flocs from being carried out by the water flow, more coagulants must be added to form larger alum flocs to ensure complete separation at a higher effluent flow rate. At the same time, the sludge layer is required to be denser and the charge capture bridge is stronger, resulting in increased sludge concentration in the high-density tank and extremely strong viscosity, and the centrifugal sludge dewatering machine cannot operate normally. Utility Model Content

[0003] In response to the above-mentioned technical problems, the utility model provides a dilution system for a high-density tank sludge dewatering machine to solve the problem that the existing high-density tank sludge viscosity is too high, resulting in the centrifuge being unable to operate normally. The dilution system for a high-density tank sludge dewatering machine can effectively ensure the operation of the centrifuge and avoid blockage.

[0004] The utility model discloses a dilution system for a high-density tank sludge dewatering machine, comprising a high-density sedimentation tank, a sludge discharge pipe, a water outlet pipe, a sludge thickness detection device, a mixer, a sludge pump, a dilution pipe, an electrically controlled opening regulating valve, a controller, a mixing pipe, a sludge concentration detector and a centrifuge, wherein the sludge discharge pipe is respectively connected to the bottom of the high-density sedimentation tank and the top of the mixer, the water outlet pipe is connected to the top of the high-density sedimentation tank, the dilution pipe is respectively connected to the water outlet pipe and the top of the mixer, the sludge electrically controlled opening regulating valve is arranged on the dilution pipe, the sludge thickness detection device is arranged in the high-density sedimentation tank, the mixing pipe is respectively connected to the bottom of the mixer and the centrifuge, the sludge concentration detector is arranged on the mixing pipe, the sludge pump is arranged on the sludge discharge pipe, and the controller is respectively electrically connected to the sludge pump, the electrically controlled opening regulating valve, the sludge thickness detection device and the sludge concentration detector.

[0005] Furthermore, the mixer is provided with a mixing device.

[0006] Furthermore, the mixing device includes a motor, a rotating shaft and a stirring blade. The rotating shaft is arranged in the mixer, the top end of the rotating shaft is connected to the motor, and the stirring blade is connected to the bottom end of the rotating shaft.

[0007] When the high-density tank sludge dewatering machine dilution system is performing sewage treatment, the sewage is flocculated and settled through the high-density sedimentation tank to form sludge at the bottom thereof. The sludge thickness detection device is used to detect the sludge thickness in the high-density sedimentation tank. When the thickness exceeds a preset value, the sludge pump discharges the sludge into the mixer and introduces water from the outlet pipe through the dilution pipe for dilution. The diluted mixed sludge is introduced into the centrifuge through the mixing pipe for dehydration to avoid excessive viscosity of the sludge entering the centrifuge. At the same time, the concentration of the sludge entering the centrifuge is monitored online through the sludge concentration detector, and the electronically controlled opening regulating valve is feedback-adjusted to control the amount of dilution water. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0009] Figure 1 This is a structural diagram of a dilution system for a high-density tank sludge dewatering machine. DETAILED DESCRIPTION

[0010] The utility model discloses a dilution system for a high-density tank sludge dewatering machine. The dilution system for the high-density tank sludge dewatering machine can effectively ensure the operation of a centrifuge and avoid blockage.

[0011] The following is a clear and complete description of the technical solutions of the present invention in conjunction with the accompanying drawings. Obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0012] See also Figure 1As shown, the utility model provides a high-density tank sludge dewatering machine dilution system, including a high-density sedimentation tank 1, a mud discharge pipe 5, an outlet pipe 3, a sludge thickness detection device 2, a mixer 9, a sludge pump 4, a dilution pipe 7, an electronically controlled opening regulating valve 6, a controller, a mixing pipe 11, a sludge concentration detector 10 and a centrifuge 12, wherein the mud discharge pipe 5 is respectively connected to the bottom of the high-density sedimentation tank 1 and the top of the mixer 9, the outlet pipe 3 is connected to the top of the high-density sedimentation tank 1, and the dilution pipe 7 is respectively connected to the outlet pipe 3 and the At the top of the mixer 9, the sludge electric-controlled opening regulating valve 6 is arranged on the dilution pipe 7, the sludge thickness detection device 2 is arranged in the high-density sedimentation tank 1, the mixing pipe 11 is respectively connected to the bottom of the mixer 9 and the centrifuge 12, the sludge concentration detector 10 is arranged on the mixing pipe 11, the sludge pump 4 is arranged on the sludge discharge pipe 5, and the controller is electrically connected to the sludge pump 4, the electric-controlled opening regulating valve 6, the sludge thickness detection device 2 and the sludge concentration detector 10.

[0013] The mixer 9 is provided with a mixing device 8 .

[0014] The mixing device 8 includes a motor, a rotating shaft and a stirring blade. The rotating shaft is arranged in the mixer 9. The top end of the rotating shaft is connected to the motor, and the stirring blade is connected to the bottom end of the rotating shaft.

[0015] When the high-density tank sludge dewatering machine dilution system is performing sewage treatment, the sewage is flocculated and settled through the high-density sedimentation tank 1 to form sludge at its bottom. The sludge thickness detection device 2 is used to detect the sludge thickness in the high-density sedimentation tank 1. When the thickness exceeds the preset value, the sludge pump 4 discharges the sludge into the mixer 9, and introduces water from the outlet pipe 3 through the dilution pipe 7 for dilution. The diluted mixed sludge is introduced into the centrifuge 12 through the mixing pipe 11 for dehydration to avoid excessive viscosity of the sludge entering the centrifuge 12. At the same time, the concentration of the sludge entering the centrifuge 12 is monitored online through the sludge concentration detector 10, and the electronically controlled opening regulating valve 6 is feedback-regulated to control the amount of dilution water.

[0016] The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For those skilled in the art of the present invention, without departing from the concept of the present invention, several simple deductions or substitutions can be made, which should be considered to fall within the scope of protection of the present invention.

Claims

1. A high-density tank sludge dewatering machine dilution system, characterized in that: It includes a high-density sedimentation tank, a sludge discharge pipe, an outlet pipe, a sludge thickness detection device, a mixer, a sludge pump, a dilution pipe, an electrically controlled opening regulating valve, a controller, a mixing pipe, a sludge concentration detector and a centrifuge, wherein the sludge discharge pipe is respectively connected to the bottom of the high-density sedimentation tank and the top of the mixer, the outlet pipe is connected to the top of the high-density sedimentation tank, the dilution pipe is respectively connected to the outlet pipe and the top of the mixer, the sludge electrically controlled opening regulating valve is arranged on the dilution pipe, the sludge thickness detection device is arranged in the high-density sedimentation tank, the mixing pipe is respectively connected to the bottom of the mixer and the centrifuge, the sludge concentration detector is arranged on the mixing pipe, the sludge pump is arranged on the sludge discharge pipe, and the controller is respectively electrically connected to the sludge pump, the electrically controlled opening regulating valve, the sludge thickness detection device and the sludge concentration detector.

2. A high-density tank sludge dewatering machine dilution system according to claim 1, characterized in that: The mixer is provided with a mixing device.

3. A high-density tank sludge dewatering machine dilution system according to claim 2, characterized in that: The mixing device includes a motor, a rotating shaft and a stirring blade. The rotating shaft is arranged in the mixer, the top end of the rotating shaft is connected to the motor, and the stirring blade is connected to the bottom end of the rotating shaft.

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