CN218371939U - Decanting system with dismounting device - Google Patents

Abstract

The utility model relates to a water decanting system with a dismounting device, which comprises a water decanting device and a loading and unloading device, wherein a descending pipe of the water decanting device comprises an inner pipe and an outer pipe which are mutually sleeved together, the outer pipe is connected with a water outlet connecting pipe positioned at the bottom of a tank, a hydraulic cylinder is connected on the outer wall of the outer pipe, a filter screen is arranged in the inner pipe, one part of the inner pipe extends out of the outer pipe to form an exposed part, the exposed part is fixedly connected with a water decanting tank, and the outer wall of the exposed part is also provided with a lug; the loading and unloading device at least comprises a hoisting device which is arranged beside the tank, and a hook of the hoisting device hooks a hanging lug of the inner pipe and can hoist the inner pipe out of the outer pipe.

Description

Decanting system with dismounting device

Technical Field

The utility model relates to a sewage treatment field.

Background

The decanter is a common device in the field of water treatment, and is mainly arranged in a sedimentation tank, and the decanter has multiple types, such as a rotary type, a siphon type and the like, and the rotary decanter is mostly selected for use.

The rotary decanter is simple and reliable in structure, and the structure principle is that a decanting tank is generally arranged in a clear water layer above a liquid level, a water inlet of the decanting tank is positioned below the water level, clear water is introduced into the decanting tank, then the clear water is introduced into a downcomer through gravity, the downcomer is directly communicated with the bottom of a sedimentation tank, and finally the clear water is led out of the sedimentation tank through a water outlet connecting pipe and a water outlet pipe; the hydraulic cylinder is arranged at the side of the sedimentation tank, a piston rod of the hydraulic cylinder is connected with the pipe wall of the down pipe to drive the down pipe to rotate, and the decanting tank can change according to the height change of the liquid level in the sedimentation tank through the rotation of the down pipe.

The main problem of the existing decanter is that the upper clear water obtained by a precipitation method in time contains a certain amount of impurities, so that a descending pipe and a filter screen of a decanting tank of the decanter are blocked, and once the blockage occurs, sewage in the settling tank needs to be emptied for overhauling and cleaning. The cleaning needs to send workers to enter the sedimentation tank for pipeline disassembly, cleaning and assembly, which wastes time and labor and influences normal water treatment work. At present, the problem of impurities in a sedimentation tank cannot be completely avoided due to the limitation of a water treatment process, and only the water treatment link process at the upstream of the sedimentation tank can be improved, so that the treatment burden of the sedimentation tank is reduced, but the problem of impurities in the sedimentation tank cannot be completely eradicated.

Disclosure of Invention

In order to solve the problems, the provided water decanting system with the folding device comprises the water decanting device and a loading and unloading device, wherein a descending pipe of the water decanting device comprises an inner pipe and an outer pipe which are mutually sleeved together, the outer pipe is connected with a water outlet connecting pipe positioned at the bottom of a pool, a hydraulic cylinder is connected to the outer wall of the outer pipe, a filter screen is arranged in the inner pipe, a part of the inner pipe extends out of the outer pipe to form an exposed part, the exposed part is fixedly connected with a water decanting tank, and the outer wall of the exposed part is also provided with a hanging lug;

the loading and unloading device at least comprises a lifting device, the lifting device is arranged beside the tank, and a lifting hook of the lifting device hooks a hanging lug of the inner pipe and can lift the inner pipe out of the outer pipe.

On the basis of the technical scheme, the loading and unloading device is further provided with an annular counterweight mechanism, the counterweight mechanism is used for balancing a counterweight for the lifted inner tube, the counterweight mechanism comprises two semicircular structures, a control unit with a remote communication module and a power supply, the semicircular structures are a hoop body I and a hoop body II, one ends of the hoop body I and the hoop body II are hinged to each other, the other ends of the hoop body I and the hoop body II are free ends, the free end of the hoop body I is provided with a first electromagnet, the free end of the hoop body II is provided with a slot for inserting the first electromagnet, the outer walls of the hoop body I and the hoop body are respectively provided with an arc-shaped counterweight block, and the inner walls of the hoop body I and the hoop body are provided with a second electromagnet.

On the basis of the technical scheme, the annular first flange is arranged in the outer pipe, the rubber waterproof layer is arranged on the first flange, the end part of the inner pipe is also provided with the rubber waterproof layer, and the end part of the inner pipe is in contact with the first flange when the inner pipe is inserted into the outer pipe.

On the basis of the technical scheme, the outer wall of the lower half portion of the inner pipe is sleeved with the thickening pipe, the thickening pipe is close to the end portion of the inner pipe and used for increasing the outer diameter size of the inner pipe, the inner wall of the outer pipe is further provided with the second flange, the second flange is located above the first flange, the radius of the second flange is larger than that of the first flange, and when the inner pipe is inserted into the outer pipe, the thickening pipe is in contact with the first flange.

On the basis of the technical scheme, the loading and unloading device further comprises a buffer mechanism capable of being stored and used for protecting the water decanting tank lifted, the buffer mechanism comprises a buffer plate, a swing arm, a main support and an auxiliary support, the main support and the auxiliary support are arranged on the sides of the tank, the main support is arranged between the tank and the auxiliary support, the buffer plate swings on the main support through the swing arm, the swing arm can enable the buffer plate to enter and exit the tank, and the swing arm can swing and fix the buffer plate on the auxiliary support through a fixing piece when the buffer plate is stored.

On the basis of the technical scheme, the main support is provided with the baffle, when the swing arm rotates to be parallel to the ground, the swing is limited by the baffle, and the baffle is located in the direction far away from the buffer board.

On the basis of the technical scheme, the end part of the swing arm is also provided with a counterweight part for balancing the buffer plate.

Aiming at the problems discovered by using the decanter for months, the greatest pain point that the decanter is difficult to disassemble and clean is solved, and the decanter has the following effects;

1. the loading and unloading device is used as a part of the decanting system and is integrated with the decanting device body, so that the defect that equipment such as a crane and the like is called from other places when the equipment needs to be disassembled and cleaned is overcome, the fault immediate repair is realized, the repair time is shortened, and the normal production is ensured;

2. the downcomer is creatively divided into two parts, the filter screen is arranged on the detachable inner pipe, once the inner pipe is blocked, the downcomer can be directly detached and cleaned, waiting for emptying water is not needed, manual operation in the tank is not needed, and safety is improved;

3. considering the problem that the inner pipe tilts forward possibly due to too-forward gravity distribution when the inner pipe and the water decanting tank are hoisted by a cantilever crane, the counterweight mechanism is included in the loading and unloading device, and when the inner pipe is hoisted to the side of the pool, the counterweight mechanism is sleeved on the inner pipe, and the electromagnet is started to be adsorbed on the inner pipe. The weight of the inner pipe is increased, so that the inner pipe can be inserted into the outer pipe in an aligning way when being reinstalled, and the posture of the inner pipe does not need to be corrected manually;

4. the buffer mechanism is arranged beside the pool and mainly depends on the buffer plate made of soft materials to absorb the impact force of the inner pipe and the water decanting tank to achieve the effect. When the buffer plate is not used, the buffer plate is rotated to be separated from the pool, and when the buffer plate is needed to be used, the swing arm is rotated to enable the buffer plate to face the inner pipe direction;

5. because the inner tube and the outer tube need to be disassembled and combined, the gap between the inner tube and the outer tube is possibly large, impurities can penetrate through the gap between the inner tube and the outer tube, the first flange and the second flange are arranged in the outer tube, the thickened tube is correspondingly added to the inner tube to achieve matching, a waterproof effect or a limited waterproof effect can be achieved by the aid of the rubber waterproof layer, and the effect of blocking the impurities is achieved sufficiently.

Drawings

Fig. 1 is a schematic sectional view of the decanter apparatus of the present invention in a normal operating state.

Fig. 2 is a schematic cross-sectional view of a first usage state of the handling device according to the present invention.

Fig. 3 is a schematic cross-sectional view illustrating a second usage state of the handling device according to the present invention.

Fig. 4 is a schematic sectional view of the assembled state of the inner and outer tubes of the present invention.

Fig. 5 is a schematic view of an installation state of the counterweight mechanism of the present invention.

Fig. 6 is a schematic view of the first assembly state of the inner tube and the outer tube after the counterweight mechanism is installed.

Fig. 7 is a schematic view of a second assembly state of the inner tube and the outer tube after the counterweight mechanism is installed.

Fig. 8 is a schematic perspective view of a closed state of the counterweight mechanism of the present invention.

Fig. 9 is a perspective view illustrating an expanded state of the counterweight mechanism according to the present invention.

Detailed Description

The first embodiment.

The embodiment shows a water decanting system consisting of two major parts, namely a water decanting device 1 and a loading and unloading device, and the blockage of the water decanting device becomes a normal state when the water treatment task is increasingly heavy. In the embodiment, under the condition that the water treatment process is difficult to change, the original downcomer 4 of the decanter is divided into two parts, and the design of quick disassembly of the inner pipe and the outer pipe 6 is changed, so that the maintenance and cleaning work is greatly facilitated.

Referring to fig. 1 to 4, the principle of use of the present embodiment is as follows: 1. when the water quantity sensor at the water outlet end of the decanting device 1 detects that the water quantity is continuously reduced, judging that the decanting device 1 is blocked; 2. starting the hydraulic cylinder 2 to drive the outer pipe 6 and the inner pipe 5 to rotate, so that the hanging lug 9 or the lifting lug on the inner pipe 5 is exposed; 3. starting the hoisting device 8, and hooking the lifting hook on the hanging lug 9 of the inner pipe 5; 4. the hoisting device 8 is started again, and the pulley starts to slide while hoisting, so that the inner pipe 5 in an inclined state is obliquely and upwards hoisted out from the outer pipe 6; 5. lifting the inner pipe 5 to the pool side and putting down the inner pipe, and carrying out maintenance on the inner pipe; after the maintenance of the outer pipe 6 is finished, the outer pipe is lifted to the position of the outer pipe 6 by using a lifting device 8 for assembly.

In this embodiment, the structure of the decanter 1 is the same as that of the conventional product except for the downcomer 4. The hoisting device 8 can adopt any scheme, and preferably adopts a rotatable cantilever crane.

In this embodiment, there is a preferable example, in order to make the inner and outer pipes 6 have a better waterproof effect, the inner wall of the outer pipe 6 is provided with an annular first flange 17, the first flange 17 and the end of the inner pipe 5 are both provided with rubber waterproof layers (not shown), after the inner pipe 5 and the outer pipe 6 are assembled, the end of the inner pipe 5 is clamped on the first flange 17, and the rubber waterproof layers of the inner pipe 5 and the outer pipe can isolate water leakage or isolate most of water leakage.

In addition to the above preferred embodiment, to provide a further preferred embodiment, the inner wall of the first flange 17 may be provided with a second flange 18, which is also annular, and correspondingly reduces the outer diameter of the inner pipe 5, and a thickening pipe 19 is fixedly sleeved on the outer wall of the inner pipe 5, and the inner pipe 5 with the reduced outer diameter is directly inserted through and inserted into the first flange 17 until the inner pipe 5 is clamped on the second flange 18, and the thickening pipe 19 is also clamped on the first flange 17. The first flange 17 and the second flange 18 are formed in a stepped shape, which can provide a better water blocking effect.

The second embodiment.

The present embodiment is based on the first embodiment and perfects the components of the handling device and provides a counterweight mechanism 10 to assist in the more convenient assembly of the inner tube 5.

When the inner pipe 5 is lifted, the inner pipe 5 is warped due to the heavier weight of the decanting water tank 3, and the inner pipe 5 is unloaded without much adverse effect, but it is difficult to insert the outer pipe 6 in alignment when the reloading assembly is completed after the inspection.

The mature solution is to tie the rope on the inner tube 5, draw the posture that the rope changes the inner tube 5 at the pond limit through the manual work, but this scheme has the defect on the operation safety nature, because the downcomer 4 is a plurality of, and whole decanter 1 span is great, only with the stay cord control degree of difficulty great and if manual cooperation uncoordinated leads to rocking or swing easily.

(1) The present embodiment provides the weight mechanism 10 for changing the posture of the inner tube 5 in view of the above problems, and the principle of use of the weight mechanism 10 is as follows:

(2) after the inner pipe 5 is overhauled, the hoop body 1 and the hoop body II 12 are unfolded, and the position close to the tail end of the inner pipe 5 is selected to be sleeved and closed;

(3) starting the second electromagnet 13 to magnetically connect the counterweight mechanism 10 with the inner pipe 5; starting a cantilever crane, and lifting the inner pipe 5 to the upper part of the outer pipe 6;

(4) the inner tube 5 returns to an angle of inclination parallel or nearly parallel to the outer tube 6 due to the presence of the counterweight mechanism 10; continuing to operate the cantilever crane, and inserting the inner pipe 5 into the opening of the outer pipe 6 in alignment;

(5) when the end of the inner tube 5 is inserted into the outer tube 6, the first electromagnet 14 is turned on, and the second electromagnet 13 is turned off; the counterweight mechanism 10 keeps a closed state but is separated from the magnetic connection with the inner pipe 5;

(6) the inner tube 5 is inserted continuously, and the counterweight mechanism 10 is clamped at the opening of the outer tube 6; when the inner pipe 5 is assembled, the first electromagnet 14 is closed, and the hoop body 1 and the hoop body two 12 of the counterweight mechanism 10 are unfolded and separated from the inner pipe 5;

(7) the inner tube 5 is completely assembled.

The counterweight mechanism 10 may be provided with means (not shown) to facilitate hooking of the traction rope, pulling it when it is detached from the inner pipe 5, avoiding it falling to the bottom of the tank. In the working process of the counterweight mechanism 10, force is not required to be applied to the traction rope, and the traction rope is prevented from falling into the pool along with the inner pipe 5.

The shape of the counterweight mechanism 10 is similar to that of a pipeline hoop, but the hoop body 1 and the hoop body two 12 of the counterweight mechanism 10 do not have the counterweight function, the counterweight function is provided by the counterweight block 15, the counterweight block 15 is made of metal, the hoop body 1 and the hoop body two 12 are made of non-magnetic materials, such as an engineering plastic stool, annular second electromagnets 13 are respectively arranged in the hoop body 1 and the hoop body two 12, and the radian of each electromagnet can be adapted to the shape of the inner pipe 5. Meanwhile, the end parts (namely the free ends) of the hoop body 1 and the hoop body two 12 are respectively provided with a first electromagnet 14 and a slot 16, the first electromagnet 14 of the hoop body 1 protrudes outwards, and when the hoop body 1 and the hoop body two 12 are closed, the first electromagnet 14 is inserted into the slot 16 of the hoop body two 12.

It should be noted that when the hoop body 1 and the hoop body two 12 are closed, the configuration mechanism can slide freely on the inner tube 5, so the radius of the closed counterweight mechanism 10 should satisfy the condition of sliding on the inner tube 5, and when the second electromagnet 13 is activated, it must be ensured that the counterweight mechanism 10 is stably magnetically attracted on the inner tube 5. The corresponding inner pipe 5 can be made of steel material commonly used for the down pipe 4 or cast iron material sprayed with an anti-corrosion coating. A battery (not shown) for supplying power to the first and second electromagnets 13 and a control unit (not shown) may be distributed in the first hoop body 11, or may be respectively disposed in the first hoop body 11 and the second hoop body 12, wherein the control unit has a remote communication module for receiving a signal from a remote controller, and the remote controller controls the on/off of the first and second electromagnets 13.

Example three.

The present embodiment is made on the basis of the first embodiment, and provides a buffer mechanism 20 for protecting the decant tank 3 and the inner pipe 5.

The inner pipe 5 is easily shaken when being hoisted, and has unstable posture, and may hit the inner wall of the pool when being hoisted. Therefore, a buffer mechanism 20 is arranged at a proper position at the side of the pool, a buffer plate 21 of the buffer mechanism 20 is used for absorbing impact force, a swing arm 22 swings on a main bracket 23 and is used for controlling the buffer plate 21, the swing arm 22 swings when the use is not needed, the buffer plate 21 is driven to swing upwards to be separated from the pool, and the swing arm 22 and a secondary bracket 24 are fixed by a fixing piece (not shown); when the device is needed, the swing arm 22 is separated from the auxiliary bracket 24, and the swing arm 22 drives the buffer plate 21 to rotate towards the decanting water tank 3 and is arranged between the decanting water tank 3 and the tank wall.

To better use the buffer mechanism 20 and save manual labor, a baffle 25 is provided behind the main stand 23, i.e., in a direction away from the buffer plate 21. When the swing arm 22 is separated from the sub-bracket 24, the swing arm 22 is stopped by the stopper 25 when the swing arm 22 swings to the horizontal state under the gravity of the buffer plate 21, and the swing arm 22 is restricted from further swinging to keep the swing arm 22 in the horizontal state.

In order to reduce the swing speed of the swing arm 22 and provide a more stable swing state, a counterweight 26 may be disposed on the broken arm of the swing arm 22 to balance the weight of the buffer plate 21.

Claims (7)

1. A water decanting system with a dismounting device is characterized by comprising a water decanting device and a dismounting device, wherein a descending pipe of the water decanting device comprises an inner pipe and an outer pipe which are mutually sleeved together, the outer pipe is connected with a water outlet connecting pipe positioned at the bottom of a tank, a hydraulic cylinder is connected to the outer wall of the outer pipe, a filter screen is arranged in the inner pipe, a part of the inner pipe extends out of the outer pipe to form an exposed part, the exposed part is fixedly connected with a water decanting tank, and the outer wall of the exposed part is also provided with a hanging lug;

the loading and unloading device at least comprises a hoisting device which is arranged beside the tank, and a hook of the hoisting device hooks a hanging lug of the inner pipe and can hoist the inner pipe out of the outer pipe.

2. The water decanting system with the dismounting device as claimed in claim 1, wherein the dismounting device further comprises a ring-shaped counterweight mechanism for balancing and balancing the suspended inner pipe, the counterweight mechanism comprises two semicircular structures, a control unit with a telecommunication module, and a power supply, the semicircular structures comprise a first hoop body and a second hoop body, one end of the first hoop body and one end of the second hoop body are hinged to each other, the other end of the first hoop body and the other end of the second hoop body are free ends, a first electromagnet is arranged at the free end of the first hoop body, a slot for the first electromagnet to insert is arranged at the free end of the second hoop body, an arc-shaped counterweight is respectively arranged on the outer walls of the first hoop body and the second hoop body, and a second electromagnet is arranged on the inner walls of the first hoop body and the second hoop body.

3. The decanting apparatus as claimed in claim 1, wherein the outer tube has an annular first flange formed therein, the first flange having a rubber-water barrier, the end of the inner tube contacting the first flange when the inner tube is inserted into the outer tube.

4. The system of claim 3, wherein the outer wall of the lower half of the inner pipe is covered with a thickening pipe, the thickening pipe being located near an end of the inner pipe to increase an outer diameter of the inner pipe, the inner wall of the outer pipe further having a second flange, the second flange being located above the first flange and having a larger radius than the first flange, the thickening pipe contacting the first flange when the inner pipe is inserted into the outer pipe.

5. The system of claim 1, wherein the handling device further comprises a buffer mechanism for protecting the suspended water decanting tank, the buffer mechanism comprises a buffer plate, a swing arm, and a main bracket and a sub bracket arranged at the edge of the tank, the main bracket is arranged between the tank and the sub bracket, the buffer plate swings on the main bracket through the swing arm, the swing arm can make the buffer plate go in and out of the tank, and when the buffer plate needs to be stored, the swing arm swings and is fixed on the sub bracket through a fixing piece.

6. The system of claim 5, wherein the main frame is provided with a stop plate, the stop plate limiting the swinging motion when the swinging arm is rotated to be parallel to the ground, the stop plate being located away from the buffer plate.

7. The decanting apparatus as claimed in claim 5 or claim 6, wherein the ends of the arm are provided with counterweight means for balancing the baffle.

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