KR100823459B1 - A cohesive agents for sludge dredging and dehydration device and method of construction - Google Patents

Abstract

The present invention precipitates the sludge inside the sedimentation tank to be removed by landfill or incineration, and the water after the sedimentation is discharged through the water discharge pipe, to contaminate water or soil by sludge or due to ocean dumping The present invention relates to a sludge dredging and dewatering device using a flocculant, which can prevent environmental pollution in advance, and a method of the same.

The technical constitution is to one side of the lower suction part 20 of the dredging pump 10, which is installed to remove sludge such as sludge of water intake and purification plant, sludge of sewage treatment plant and sludge of manure treatment plant, or pond. The polymer coagulant storage unit 30a, the neutralizing agent storage unit 30b, and the extinguishing agent storage unit 30c communicate with each other through the supply pipes 40, 40 'and 40 ", respectively, wherein the supply pipes 40 and 40 ') (40 ") is provided with an injection amount control valve 50, respectively, in which the amount of the polymer coagulant, the neutralizing agent, and the extinguishing agent is adjusted through a control unit (not shown), and the supply pipes 40, 40', 40" are respectively provided. The dredging pipe 60 through which the sludge is transferred along with the sludge to the suction part 20 of the dredging pump 10 into which at least one of the polymer coagulant, the neutralizing agent, and the extinguishing agent is injected is first sludge settling tank ( 70) and a hopper type sludge at the bottom of the first sludge settling tank (70). The ground storage unit 100 is installed to store the sludge, the screen 110 for removing the suspended matter is installed on the other side of the partition wall 80 of the first sludge settling tank 70, the first sludge settling tank 70 A second sludge settling tank 130 through which the through-hole 120 communicates with one side is installed, and a hopper type sludge storage unit 100 'is installed at the bottom of the second sludge settling tank 130 to store secondary sludge. It is installed, the water discharge pipe 190 is discharged in communication with the purified water is discharged on one side of the second sludge settling tank 130, the opening and closing valve 140 in the hopper-type sludge storage unit 100 (100 ') The sludge discharge pipe 150 is introduced through a) to the end is made of a configuration in which one end is connected to the dehydration stem 160 and the dehydrator 170 is installed.

Precipitation guide slope, sludge, hopper type sludge storage, first and second sludge settling tank

Description

A cohesive agents for sludge dredging and dehydration device and method of construction

1 is a schematic configuration diagram for explaining the sludge dredging and dewatering device using the flocculent of the present invention and its method.

Figure 2 is a schematic side view of the sludge settling tank and the sludge discharge pipe connected to the lower side according to the present invention.

<Explanation of symbols for main parts of drawing>

10 Dredging pump 20 Suction part

30a ... Polymer coagulant storage 30b ... Neutralizer storage

30c ... Fire Extinguishing Unit 40, 40 ', 40 "

50 ... Dosing control valve 60 ... Dredging pipe

70 First Sludge Sedimentation Tank 80,80 'Bulkhead

90,90 '... Sedimentation Induction Plate 100,100' ... Hopper Type Sludge Storage

110 ... screen 120 ... through hole

130 ... 2nd sludge settling tank 140 ... opening and closing valve

150 ... sludge discharge line 160 ... dehydration rod

170 ... dehydrator 180 ... base

190.Water discharge tube

The present invention dredged sludge of water intake and water purification plant, sludge of sewage treatment plant, sludge of manure treatment plant, sludge of pond, etc., according to the type of sludge, polymer coagulant and extinguishing agent (선택 化 疎) ), At least one or more of the neutralizers (中和劑) to be selectively mixed into the sludge, wherein the drugs are connected to the inlet side of the dredging pump through the polymer agglomeration tube, the fire extinguishing agent and the neutralizing agent supply pipe sludge It is mixed with and introduced into the sedimentation tank through the discharge tube, the sludge inside the sedimentation tank is precipitated and removed by landfill or incineration, and the precipitated water can be discharged through the water discharge tube, the water by the sludge or Sludge dredging and dewatering using flocculant to prevent the pollution of the soil or to prevent environmental pollution due to marine dumping It relates to an apparatus and a method thereof.

In the conventional method of dredging and dewatering sludge produced in a conventional water purification plant, sewage treatment plant or manure treatment plant, sludge suctioned with water using a suction pump or the like is buried in the ground without undergoing a separate dehydration process. It is a situation where dumping is carried out by sea, or by tank lorry.

Therefore, there is a big disadvantage of polluting the soil due to landfilling the sludge containing water, or causing environmental pollution by ocean dumping.

In addition, when a dewatering device is installed for dredging and dewatering the sludge as described above, a large facility such as a large water purification plant or a sewage terminal treatment plant should be provided, thus requiring a large installation and operation cost. It was.

The present invention is to improve the various problems as described above, the purpose of the dredging pump, sludge of the tap water and water purification plant, sludge of the sewage treatment plant and sludge of the manure treatment plant and sludge of the pond, etc. Depending on the type of sludge, at least one or more drugs of the polymer flocculant, the extinguishing agent, and the neutralizing agent may be selectively mixed with the sludge, and the drugs may be added to the inlet side of the dredging pump through the polymer agglomeration tube, the extinguishing agent, and the neutralizing agent supply pipe. Connected and mixed with the sludge is introduced into the sedimentation tank through the discharge pipe, the sludge inside the sedimentation tank is precipitated and removed by landfill or incineration, and the water is completed to be discharged through the water discharge pipe, sludge Environment caused by polluting water or soil by The salt is to hereinafter, as well as provide a dredging sludge and the dewatering device and a method using the production and coagulant in the installation can easily be made by gender simple syntax of the settling tank to be prevented in advance.

As a technical configuration for achieving the above object, the present invention, one side of the lower suction portion of the dredging pump is installed to remove sludge in the tap water and water purification plant, sludge in the sewage treatment plant and sludge in the manure treatment plant, or sludge such as pond. The polymer coagulant storage unit, the neutralizing agent storage unit, and the extinguishing agent storage unit are each communicated through a supply pipe, and the supply pipe is provided with an input control valve for controlling the input amount of the polymer coagulant, the neutralizing agent, and the extinguishing agent, respectively. The dredging pipe through which the sludge is transported to the upper side of the suction part of the dredge pump into which the at least one polymer coagulant, the neutralizing agent, and the extinguishing agent is introduced is communicated with the first sludge settling tank on one side thereof. Hopper type sludge storage is installed at the bottom to store the sludge. On the other side of the partition wall of the first sludge settling tank is installed, a screen for removing the suspended matter is installed, a second sludge settling tank in which a through hole is communicated to one side of the first sludge settling tank is installed, the hopper type at the bottom of the second sludge settling tank The sludge storage unit is installed to store the secondary sludge, and the water discharge pipe through which the purified water is discharged is communicated to one side of the second sludge settling tank, while the hopper type sludge storage unit is provided with an open / close valve for sludge. The discharge pipe is to be delivered by the sludge dredging and the dewatering device using a flocculant, characterized in that the one end is connected to the dehydration stage and installed with a dehydrator.

In addition, the present invention collects the sludge samples of the sludge installed in the tap water intake and water purification plant, sewage treatment plant and the like, polymer coagulant storage unit, neutralizer storage unit, extinguishing agent storage of at least one or more of the chemical flocculant, neutralizing agent, extinguishing agent Determination of the input, through the supply pipe communicated to one side of the dredging pump lower suction section, adjust the medicine through the input volume control valve to inject at least one or more chemicals into the suction of the dredging pump, the sludge mixed with the chemical dredging The sludge is stored in the hopper type sludge storage unit where the heavy sludge is installed at the bottom while slowly agglomerating while decreasing the flow velocity along the sediment guide inclined plate installed to the first sludge sedimentation tank through the pipe and staggered to one side. The screen is installed on the other side of the partition wall of the first sludge settling tank After removing the suspended matter, the first sludge settling tank is introduced again into the second sludge settling tank communicated through the through-hole, and guided to the precipitation induction plate inside the second sludge settler tank is precipitated in the hopper-type sludge storage unit The sludge is introduced into the dehydrator or dehydrator through the sludge discharge pipe so that the water is completely removed, and the purified water which has been settled is introduced to the upper side, so that the sludge is discharged through the water discharge pipe. By establishing dredging and dehydration methods.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic configuration diagram for explaining the sludge dredging and dewatering device using the flocculant of the present invention and a method thereof, Figure 2 is a schematic side view of the sludge settling tank and the sludge discharge pipe connected to the lower side according to the present invention, On one side of the lower suction part 20 of the dredging pump 10, which is installed to remove the sludge of the water intake and water purification plant, the sludge of the sewage treatment plant and the sludge of the manure treatment plant, or the pond, the polymer coagulant storage unit ( 30a), the neutralizing agent storage unit 30b, and the extinguishing agent storage unit 30c communicate with each other through the supply pipes 40, 40 'and 40 ", respectively, wherein the supply pipes 40, 40' and 40" are communicated. In the polymer coagulant, the neutralizing agent, and the input amount of the control valve (50), the input amount of the extinguishing agent is controlled through a control unit (not shown), respectively.

In addition, the sludge is transported with the sludge over the suction part 20 of the dredging pump 10 into which at least one of the polymer coagulant, the neutralizing agent, and the extinguishing agent is introduced through the supply pipes 40, 40 ′, 40 ″. The dredging pipe 60 to be communicated with the first sludge settling tank 70 on one side thereof, and the precipitation induction slope plate 90 is alternately installed to one side via the partition wall 80 inside the first sludge settling tank 70. At the bottom, a hopper type sludge storage unit 100 is installed to store the sludge.

In addition, the other side of the partition wall 80 of the first sludge settling tank 70 is provided with a screen 110 for removing suspended solids through a precipitation induction slope 90 ', and penetrates to one side of the first sludge settling tank 70. A second sludge settling tank 130 through which the hole 120 communicates is installed, and inside the second sludge settling tank 130 through a partition 80 ', a settling guide slope 90' at one side and a hopper type at the bottom. The sludge storage unit 100 'is installed to store the secondary sludge.

At this time, the lower hopper type sludge storage unit (100, 100 ') of the first and second sludge settling tank (70) 130 is provided with a pedestal (180) capable of supporting the load on both sides, the second On one side of the sludge settling tank 130, a water discharge pipe 190 for discharging purified water is communicated with each other.

Subsequently, in the hopper type sludge storage unit 100, 100 ', the sludge discharge pipe 150 is delivered through the on / off valve 140 so that one end thereof is connected to the dehydration spigot 160 or the dehydrator 170. Consists of the configuration.

When explaining the embodiment of the present invention having such a configuration in detail as follows.

1 and 2, a sludge dredging dewatering device installed in a tap water intake and a water purification plant, a sewage treatment plant, or the like where sludge is stored or accumulated sludge is used to collect a sample of sludge and store a polymer coagulant storage unit ( 30a), the neutralizing agent storage unit 30b, at least one or more chemicals of the polymer flocculant, the neutralizing agent, and the extinguishing agent of the fire extinguishing agent storage unit 30c is determined, and the communication speech is communicated to one side of the lower suction part 20 of the dredging pump 10. The medicine is supplied through the supply pipes 40, 40 'and 40 ", wherein the supply amount of the polymer coagulant, the neutralizing agent, and the extinguishing agent is supplied to the supply pipes 40, 40' and 40". Through the input amount control valve 50 to be opened and closed through) to adjust the input amount appropriately.

As described above, the suction part 20 of the dredging pump 10 into which at least one or more of the polymer coagulant, the neutralizing agent, and the extinguishing agent is introduced through the supply pipes 40, 40 ′, 40 ″, together with the sludge sucked in, The mixture is introduced to the first sludge sedimentation tank 70 of one side through the dredging pipe 60 is addressed to the upper side, and the sedimentation induction to one side via the partition 80 in the first sludge sedimentation tank 70. Inclined plate 90 is staggered, the inlet sludge is slowly aggregated while reducing the flow rate along the sedimentation guide inclined plate 90 is installed in the hopper-type sludge storage unit 100 is installed in the bottom with heavy sludge To be stored.

In addition, while suppressing the vortex inside the first sludge settling tank 70 through the precipitation induction ramp 90 'installed on the other side of the partition wall 80 of the first sludge settling tank 70, suspended matter through the screen 110 After the removal, the first sludge settling tank 130 communicated through the through hole 120 is introduced to complete the water is completed.

Continued, the second sludge sedimentation tank 130 inside the hopper-type sludge storage unit (100 ') and the precipitation guided slant plate 90' and the bottom is installed on one side via the partition wall 80 ', the 1 The fine precipitated sludge is guided to the precipitation guide slant plate is stored in the hopper-type sludge storage unit (100 '), the purified water is precipitated is introduced into the upper side, discharged through the water discharge pipe 190 communicated to one side It will be.

On the other hand, the hopper type sludge storage unit (100, 100 ') through the opening and closing valve 140, the sludge discharge pipe 150, respectively, and one end thereof is connected to the dehydration mage 160 or the dehydrator 170 is installed The sludge of the hopper-type sludge storage unit 100, 100 'is introduced into the dehydrator 170 or the dehydrator through the sludge discharge pipe 150 to completely remove the water, and the water is completely removed from the sludge incineration or It is removed by landfilling.

As described above, according to the present invention, the sludge dredging and dewatering apparatus using the flocculant and the method thereof, dredging the sludge of the tap water and the water purification plant, the sludge of the sewage treatment plant, the sludge of the sewage treatment plant and the sludge of the pond, etc. According to the type of sludge, at least one or more drugs of the polymer flocculant, the extinguishing agent and the neutralizing agent may be selectively mixed into the sludge, and the drugs may be inlet side of the dredging pump through the polymer agglomeration tube, the extinguishing agent and the neutralizing agent supply pipe. It is connected to the sludge is mixed with the sludge is introduced into the settling tank through the discharge tube, the sludge inside the settling tank is removed by landfill or incineration, and the water is settled to be discharged through the water discharge pipe, Pollution of water or soil by sludge or by dumping at sea Also to prevent gyeongohyeom in advance, of course, there is excellent effect that the manufacture and installation with a simple configuration of the settling tank can be easily performed.

While the invention has been shown and described with respect to specific embodiments thereof, it will be appreciated that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as set forth in the following claims. Those of ordinary skill will want to know easily.

Claims (4)

On one side of the lower suction part 20 of the dredging pump 10, which is installed to remove the sludge of the water intake and water purification plant, the sludge of the sewage treatment plant and the sludge of the manure treatment plant, or the pond, the polymer coagulant storage unit ( 30a), the neutralizing agent storage unit 30b, and the extinguishing agent storage unit 30c communicate with each other through the supply pipes 40, 40 'and 40 ", respectively, wherein the supply pipes 40, 40' and 40" are communicated. In the polymer coagulant, the neutralizing agent, and the amount of the extinguishing agent is added to the input amount control valve 50 is controlled through a control unit (not shown), respectively, the polymer coagulant and the neutralizing agent through the supply pipe (40, 40 ', 40 ") In addition, the dredging pipe 60 to which the sludge is transported along with the sludge to the upper portion of the suction part 20 of the dredging pump 10 into which at least one of the extinguishing agents is introduced is communicated with the first sludge settling tank 70 on one side thereof. The hopper type sludge storage unit 100 is installed at the bottom of the first sludge settling tank 70. The sludge is installed so as to store the sludge, and the screen 110 for removing the suspended matter is installed at the other side of the partition wall 80 of the first sludge settling tank 70, and the through hole 120 is disposed at one side of the first sludge settling tank 70. The communicating second sludge settling tank 130 is installed, a hopper type sludge storage unit 100 'is installed at the bottom of the second sludge settling tank 130 to store the secondary sludge, the second sludge settling tank On one side of the 130, the water discharge pipe 190 for discharging the purified water is communicated with each other, while the hopper type sludge storage unit 100, 100 'is connected to the sludge discharge pipe 150 via an opening and closing valve 140. ) Sludge dredging and dewatering device using a flocculant, characterized in that the one end made of a configuration that is connected to the dehydration stage 160 and the dehydrator 170 is installed. According to claim 1, The first and second sludge sedimentation tanks 70, 130 inside the partitions through the partition 80, the precipitation induction ramp 90 is installed alternately, the other side of the partition 80 is settled Sludge dredging and dewatering device using a flocculant, characterized in that the induction inclined plate (90 ') is installed. The lower hopper-type sludge storage part 100 (100 ') of the first and second sludge settling tanks 70 and 130 is provided with a pedestal 180 capable of supporting the load on both sides. Sludge dredging and dewatering device using a flocculant, characterized in that. Samples of sludge installed in the water intake, water purification plant, and sewage treatment plant with sludge are determined to determine the input of at least one chemical coagulant, neutralizer, and extinguishing agent in the polymer coagulant storage unit, the neutralizing agent storage unit, and the extinguishing agent storage unit. The chemicals are controlled through an input flow control valve which is communicated to one side of the dredging pump lower suction part, and at least one or more chemicals are introduced into the suction part of the dredging pump, and the sludge mixed with the chemicals is first The first sludge sedimentation tank allows the sludge to be stored in the hopper-type sludge storage unit which is slowly aggregated and has a high specific gravity while decreasing the flow velocity along the sedimentation induction slope plate that is staggered to one side to be introduced into the sludge sedimentation tank. Float through the screen installed on the other side of the bulkhead After the removal, the first sludge settling tank is introduced again into the second sludge settling tank communicating through the through-hole, and the sludge sludge settled in the hopper type sludge storage unit guided to the settling guide slope inside the second sludge settler tank. Sludge dredging and dehydration using flocculant, characterized in that the water is introduced into the dehydrator or dehydrator through the discharge pipe to completely remove the water, and the purified water is settled to the upper side, and to be discharged through the water discharge pipe. Method.

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