JPH11129000A - Transportable type turbid water treatment unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transportable type turbid water treatment unit of good handling properties to be transported by a small truck or the like for which the size of a setting space is not so much restricted. SOLUTION: A treatment unit is constituted of a slurry separator 1 and a sludge dehydrator 2, both of which are assembled on two box-type frames of same width and length and formed into one unit, and the two box-type frames are provided with bolt inserting holes on the positions whereon the two frames can be connected with each other vertically, in parallel, in series and in the hook shape, and a raw water feed pipe 10 of a slurry separator 1 is provided with a first coupler half-body 11 connected with raw water pump side and to be installed at site, and a sludge feed and transfer pipe is provided with a first coupler half-body 30 connected with the sludge dehydrator 2, and the sludge feed and transfer pipe 33 of the sludge dehydrator 2 is provided with a second coupler half-body 34 connected with the sludge separator 1 side, and a clean water pipe is provided with a third coupler half-body 49 connected with a clean water pipe on the site side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a portable turbid water treatment device. In more detail, muddy water and muddy water generated at the site of tunnel construction, dam construction, shield construction, subway construction, and other general civil engineering work are dewatered, and mud is made into a dewatered cake for easy transport and disposal. It relates to a processing machine. Also, the present invention relates to a portable turbid water treatment machine that can be transported by truck or the like to construction sites in various places.

[0002]

2. Description of the Related Art A conventional portable turbid water treatment device also comprises a mud separator for separating turbid water into mud and water, and a sludge dewaterer for dehydrating water from the separated turbid water to produce a dried dewatered cake. Have been. Then, as shown in FIG. 9, the conventional portable turbid water treatment machine is a very large one having a long length, in which a mud separator 51 and a sludge dewaterer 52 are integrally connected.

[0003]

Therefore, transportation means is limited, such as a very large truck is required to be transported by a truck or the like. Further, even after arriving at the site, a large large space is required in the installation place. However, there is a problem that the installation location is restricted.

[0004] In view of such circumstances, it is an object of the present invention to provide a portable turbid water treatment device which can be transported by a small truck or the like, does not restrict the installation space, and is easy to use.

[0005]

The portable turbid water treatment device according to claim 1 is a portable turbid water treatment device comprising a mud water separator and a sludge dewatering device, wherein the mud water separator and the sludge dewatering device are either Are also assembled into two box-shaped frames having the same width and length, and are unitized into a muddy water separation unit and a sludge dewatering unit. The two box-shaped frames are connected to each other vertically and in parallel. The mud separator is provided with a raw water supply pipe, a carbon dioxide gas collecting device, a vaporizer, and a medicine connected to the raw water supply pipe, respectively. A pouring device, a rapid mixer, a reaction tank and a sedimentation tank for receiving the reaction-treated raw water from the reaction tank, a sludge tank for receiving the sedimented sludge from the sedimentation tank, and a slurry pump for extracting sludge at the bottom of the sludge tank. , The slurry pump A raw water supply pipe connected to a raw water pump installed on site, and the sludge feed pipe is connected to a sludge dewatering machine side. A second coupler half connected to the coupler of the feed pipe, wherein the sludge dewatering machine includes a plurality of filter plates that can be opened and closed and a filter cloth sandwiched between the filter plates;
A sludge feed pipe for feeding sludge to the filter plates that are closed to each other, a belt conveyor for receiving a dewatered cake generated by dewatering sludge when each filter plate is opened, and discharging the sludge to the outside of the machine; And a fresh water tank for storing the filtrate, and a fresh water pipe for returning fresh water from the fresh water tank to a raw water tank installed on site.The sludge feed pipe is provided with a sludge feeder on the mud separator side. A second coupler half connected to a coupler of the sending pipe is provided, and the fresh water pipe is provided with a third coupler half connected to a fresh water pipe on the site side.

According to the first aspect of the present invention, the separation unit and the dewatering unit assembled and unitized in the box-shaped frame are vertically stacked and arranged in parallel by utilizing the same property of the width and length of the box-shaped frame. Arrangement, serial arrangement, and key-shaped arrangement are possible, and it can be installed in places restricted by terrain and space. In addition, communication between the raw water tank at the site and between the separation unit and the dehydration unit is performed by the first, second, and third units.
Can be detachably connected using the three couplers,
Even with the various arrangements described above, it is possible to supply and discharge raw water and sludge, and it is possible to perform turbid water treatment on site smoothly.

[0007]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a turbid water separator according to an embodiment of the present invention. FIG. 1 (A) is a front view, FIG. 1 (B) is a side view, FIG. 2 is a functional block diagram of the turbid water separator, and FIG. FIG. 4 is a block diagram of the muddy water separator 1, and FIGS.

In FIG. 1, reference numeral 1 denotes a mud separator, and 2 denotes a sludge dewaterer. These two machines constitute a portable turbid water separator. The mud separator 1 is assembled to a box-shaped frame 3 to constitute a separation unit 1U.
The sludge dewatering machine 2 is assembled to a box-shaped frame 4 to constitute a dewatering unit 2U.

Each of the box-shaped frames 3 and 4 has a bottom plate 3
a, 4a, pillars 3b, 4b at the four corners, and frame members 3c, 3d, 4c, 4d at the four sides at the upper end. The width of the box-shaped frames 3, 4, ie, the width of the bottom plates 3a, 4a, and the length of the upper end frames 3c, 4c are the same, and the length of the box-shaped frames 3, 4 ie, the bottom plate 3
a, 4a and the upper end frames 3d, 4d have the same length. The height, that is, the length of the columns 3b, 4b may be different or the same.

[0010] Bolt insertion holes (not shown) are formed at appropriate locations of the box-shaped frames 3, 4 so that the box-shaped frames 3, 4 can be stacked vertically, arranged in parallel, or connected in series. It can be fastened to each other with bolts or the like in the state of being arranged or arranged in a key shape.

Next, based on FIGS.
The basic configuration of the sludge dewatering machine 2 will be described. Note that reference numeral 60
The part shown by is the site equipment provided in advance at the construction site. Reference numeral 61 denotes a sand settling tank, and 62 denotes a raw water tank. Sludge drainage (hereinafter referred to as raw water) generated at a work site such as a tunnel is introduced into the sand setting tank 61 by a pipe or the like. Stored at 62. A raw water pump 63 is installed in the raw water tank 62, and a raw water supply pipe 64 is provided.
Through this, raw water is supplied to the turbid water treatment device of the present invention. 6
Reference numeral 5 denotes a first coupler half attached to the end of the raw water supply pipe 64. Reference numeral 66 denotes a fresh water pipe for introducing fresh water from the dehydrator 2, and a third coupler half 67 is attached to a tip of the pipe.

The muddy water separator 1 has a raw water supply pipe 10, and a first coupler half 11 is attached to one end of the supply pipe 10 via a flexible hose 10h. The first coupler half 11 is detachably connected to the first coupler half 65 on the site side.

A carbon dioxide gas collecting device 12 is connected to the supply pipe 10 via a vaporizer 13 and an electromagnetic valve 14. This is to supply carbon dioxide gas for the purpose of neutralization because raw water has a high alkalinity. The solenoid valve 14
The valve is opened when the detection result of the pH sensor PH1 of the sedimentation tank 21 described later is high in alkalinity, and closed when the alkalinity is low. Reference numeral 15 denotes a turbidity meter for detecting the concentration of mud in the pipe 10.

Reference numeral 16 denotes a polymer dissolving tank in which a known chemical solution composed of a polymer for separating mud and water is placed. This chemical is supplied to the pump 17 and the injection line 1
8 into the supply pipe 10.

Reference numeral 19 denotes a rapid mixer, which is a supply pipe 10
Two of them are connected in series. This mixer 19 mixes the mud, water, carbon dioxide, and the chemical, and facilitates separation of the mud and water. Reference numeral 20 denotes a reaction tank, which has a stirrer inside, not shown, and stirs mud, water, and the chemical in the inside to react the chemical so that the mud and water are easily separated.

Reference numeral 21 denotes a sedimentation tank. The reacted raw water in the reaction tank 20 is introduced by a water injection pipe 22, and mud is settled in the sedimentation tank 21. The supernatant water is temporarily stored in the supernatant tank 23 and then discharged. The PH1 sensor is a sensor that detects the alkalinity of the supernatant water, and the PH2 sensor is a sensor that detects the alkalinity of the supernatant water.

The settled mud is sucked up by a sludge extraction pump 24 and put into a sludge tank 25. A sludge feed pipe 26 is connected to the bottom of the sludge tank 25 and a slurry pump 27
The sludge is fed under pressure. The sludge pump 28 provided in the sludge tank 21 is connected to a sludge pipe 29.
Is provided to return the sludge to the supply pipe 10 via the. This is because if the sludge concentration is too low, it becomes difficult to separate mud and water, and in that case, the sludge concentration is increased.

The second half of the second coupler 30 is attached to the end of the sludge feed pipe 26 via a hose 26h. Reference numeral 31 denotes a fresh water pressure pump which is connected to a water pipe or the like, and supplies tap water or supernatant water to a sludge feed pipe 26 in front of the polymer dissolving tank 16 or the slurry pump 27, and a filter plate of the sludge dewatering machine 2 described later. The cleaning pipe 32 is supplied.

Next, the sludge dewatering machine 2 will be described. Reference numeral 41 denotes an automatic dehydrator having a plurality of square frame-shaped filter plates 42 arranged in series so as to be freely opened and closed, and two filter cloths are sandwiched between each filter plate 42. When the sludge feed pipe 33 is connected to one end of the filter plate group 42 and the sludge is pumped by the slurry pump 27, the mud is rubbed off by two filter cloths, and the water oozes out of the filter cloth and is collected in the filtrate tank 44. The mud remaining after the dehydration is accumulated between the filter cloths. Here, when the filter plates 42 are opened to each other, the mud is separated from the filter cloth in a hardened state and falls, and is discharged out of the machine by the belt conveyor 45. The discharged mud is called a dewatered cake.

The other end of the sludge feeding unit 33 is a hose.
The second coupler half 34 is connected via 33h. The second coupler half 34 is detachable from the second coupler half 30 on the turbid water separator 1 side.

The filtrate stored in the filtrate tank 44 is stored in a fresh water tank 46 and discharged through a fresh water pipe 48 connected to a fresh water pump 47. A third coupler half 49 is attached to the tip of the fresh water pipe 48 via a hose 48h. The third coupler half 49 is connected to the fresh water pipe 6 on the site side.
The third coupler half 67 can be detachably connected.

Reference numeral 51 denotes a compressor, and reference numeral 52 denotes an air pressurized tank. The high-pressure air supplied from the compressor is used to remove treated water adhering to the filter cloth and water droplets on the surface of the dewatered cake.

As described above, in the present embodiment, the mud water separator 1 and the sludge dewatering machine 2 can be detachably connected to each other by the second couplers 30 and 34, and both the raw water tank 62 on the site and the first coupler 1
1, 65, and the third couplers 49, 67 can be detachably configured. The coupler halves 11, 30, 34, 49 connect flexible hoses 10h, 26h, 33h, 48h. Regardless of the layout of the machine 1 and the sludge dewatering machine 2, they can communicate with each other.

Next, an example of a communication layout between the separator 1 and the dehydrator 2 will be described. FIG. 1 is an example of a vertical connection in which a separator 1 is placed downward and a dehydrator 2 is placed thereon. In this case, the installation space may be the smallest. FIG. 5 is an example in which the separator 1 and the dehydrator 2 are arranged in parallel. As shown in the figure, they may be installed a little apart from each other, or may be installed integrally with each other. FIG. 6 also shows a parallel arrangement, but the example of FIG. 3 is an example of an arrangement in which the separator 1 and the dehydrator 2 are replaced.
FIG. 7 shows an example in which a separator 1 and a dehydrator 2 are connected in series. In this case, it can be easily installed in an elongated place. FIG. 8 shows an example in which the separator 1 and the dehydrator 2 are connected in a key shape. in this case,
Can be installed in key-shaped places. Although not shown,
It can be freely formed into a T shape or an L shape.

[0025]

According to the portable turbid water treatment device of the first aspect,
Separation unit and dehydration unit assembled into a box frame and unitized, utilizing the same properties of the width and length of the box frame, stacking up and down, parallel arrangement, series arrangement,
Key-shaped arrangement is possible, and it can be installed in places restricted by terrain and space. In addition, communication between the on-site raw water tank and between the separation unit and the dehydration unit can be detachably connected using the first, second, and third couplers. Even with the arrangement, the raw water and sludge can be supplied and discharged, and the turbid water treatment at the site can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a turbid water separator according to one embodiment of the present invention.

FIG. 2 is a functional block diagram of the turbid water separator of the present invention.

FIG. 3 is a block diagram of the sludge dewatering machine 2.

FIG. 4 is a block diagram of the muddy water separator 1.

FIG. 5 is a plan view of an example of a parallel arrangement according to the present invention.

FIG. 6 is a plan view of another example of the parallel arrangement according to the present invention.

FIG. 7 is a plan view of a serial arrangement according to the present invention.

FIG. 8 is a plan view of a key-shaped arrangement according to the present invention.

FIG. 9 is an external view of a conventional turbid water separator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mud separator 2 Sludge dehydrator 1U Separation unit 2U Dehydration unit 3 Box frame 4 Box frame

Claims (1)

[Claims] Claims: 1. A portable turbid water treatment device comprising a mud separator and a sludge dewaterer, wherein the mud separator and the sludge dewaterer are:
Both are assembled into two box-shaped frames having the same width and length, and are unitized into a muddy water separation unit and a sludge dewatering unit. The two box-shaped frames are
Bolt insertion holes are provided at positions where vertical connection, parallel connection, series connection, and key-shaped connection are possible, and the mud separator is provided with a raw water supply pipe and a carbon dioxide gas collection pipe connected to the raw water supply pipe, respectively. An apparatus, a vaporizer, a chemical infusion device, a rapid mixer, and a reaction tank and a sedimentation tank for receiving the reaction-treated raw water from the reaction tank, a sludge tank for receiving the sedimented sludge from the sedimentation tank, and a sludge at the bottom of the sludge tank. And a sludge feed pipe connected to the slurry pump. The raw water supply pipe includes a first coupler half connected to a raw water pump installed on site, and the sludge feed pipe The feed pipe includes a second coupler half that is connected to a coupler of a sludge feed pipe on the sludge dewatering machine side. The sludge dewatering machine includes a plurality of openable and closable filter plates and a filter cloth sandwiched between the filter plates. When,
A sludge feed pipe for feeding sludge to the filter plates that are closed to each other, a belt conveyor for receiving a dewatered cake generated by dewatering sludge when each filter plate is opened, and discharging the sludge to the outside of the machine; And a fresh water tank for storing the filtrate, and a fresh water pipe for returning fresh water from the fresh water tank to a raw water tank installed on site.The sludge feed pipe is provided with a sludge feeder on the mud separator side. A portable turbid water treatment machine comprising a second coupler half connected to a coupler of a feed pipe, and the fresh water pipe includes a third coupler half connected to a fresh water pipe on the site side.