CN211737083U

CN211737083U - Slurry purification device for non-excavation

Info

Publication number: CN211737083U
Application number: CN202020150601.1U
Authority: CN
Inventors: 李佳莹; 姜志军
Original assignee: Liaoning Jinao Guyuan Mechanical Equipment Co ltd
Current assignee: Liaoning Jinao Guyuan Mechanical Equipment Co ltd
Priority date: 2020-02-03
Filing date: 2020-02-03
Publication date: 2020-10-23
Anticipated expiration: 2030-02-03

Abstract

A mud purification device for non-excavation comprises a frame, a vibrating screen and a plurality of cyclones, wherein a recovery bin is arranged in the frame, a submersible slurry pump is arranged in the recovery bin, inlets of the cyclones are communicated with outlets of the submersible slurry pump through flow dividing pipes, and bottom outlets of the cyclones are communicated with a sieve plate on the uppermost layer of the vibrating screen through a hopper; the method is characterized in that: the overflow ports of the cyclones are communicated with the recovery bin through collecting pipes and return pipes; the frame is provided with a primary filter, the inlet of the primary filter is connected with a feeding pipe, the bottom outlet of the primary filter is correspondingly communicated with a feeding hole arranged at the front end of the top of the vibrating screen, the overflow port of the primary filter is communicated with a liquid inlet arranged in the middle of the front end of the vibrating screen, and the liquid inlet corresponds to the second-layer screen plate of the vibrating screen. The device can effectively reduce the filtration load of shale shaker, extension shale shaker life, and purifying effect is good, can discharge a large amount of silt that filters off through the shale shaker during the purification, avoids a large amount of silt to deposit in retrieving the storehouse.

Description

Slurry purification device for non-excavation

Technical Field

The utility model relates to a purifier, in particular to a mud purifier for non-excavation.

Background

Non-excavation refers to a new construction technology for laying, replacing and repairing various underground pipelines under the condition of excavating on a very small part of the earth surface (generally referred to small-area excavation at an inlet and an outlet) by using various rock-soil drilling equipment and technical means in a guiding mode, a directional drilling mode and the like. Because this technique can not obstruct the traffic when the construction, can not destroy greenery patches, vegetation, can not influence shop, hospital, school and resident's normal life and work order, solved the interference of traditional excavation construction to resident's life, to the destruction and the harmful effects of traffic, environment, peripheral building foundation, consequently have higher social economic effect.

The technology needs to use and discharge a large amount of mud during construction, so that special mud stirring equipment and recovery equipment need to be equipped. The existing mud recovery equipment has poor recovery and purification effects, and a large amount of silt is precipitated at the bottom in a recovery bin during purification and is difficult to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a compact structure is provided, purifying effect is good, can discharge a large amount of silt during the purification, avoids a large amount of silt to deposit the mud purifier who is used for non-excavation in retrieving the storehouse.

The technical scheme of the utility model as follows:

a mud purification device for non-excavation comprises a frame, wherein a vibrating screen and a plurality of cyclones are arranged on the frame, a recovery bin is arranged in the frame, a submersible slurry pump is arranged in the recovery bin, inlets of the cyclones are communicated with outlets of the submersible slurry pump through flow dividing pipes, and bottom outlets of the cyclones are communicated with a sieve plate on the uppermost layer of the vibrating screen through a hopper; it is characterized in that: the overflow ports of the cyclones are communicated with the recovery bin through a collecting pipe and a return pipe; the frame is provided with a primary filter, the inlet of the primary filter is connected with a feeding pipe, the bottom outlet of the primary filter is correspondingly communicated with a feeding hole arranged at the front end of the top of the vibrating screen, the overflow port of the primary filter is communicated with a liquid inlet arranged at the middle part of the front end of the vibrating screen through a pipeline and a flexible connection, and the liquid inlet corresponds to the second-layer screen plate of the vibrating screen.

Preferably, the vibrating screen comprises a screen box and a vibrating mounting seat arranged at the top of the screen box, two sides of the screen box are supported on a spring support positioned at the upper end of the rack through two groups of symmetrically arranged pressure springs, two vibrating motors are arranged on the vibrating mounting seat, two layers of screen plates and one layer of guide plate are arranged in the screen box from top to bottom, the guide plate is in a step shape, and a discharge hole is formed in the front end of the guide plate; the mud is discharged into the front part of the recovery bin after being filtered and purified, so that the sediment deposition is further reduced.

Preferably, a flow guide groove is fixed at the rear upper end of the frame, and flow guide plates are respectively arranged at the rear ends of the bottom of each layer of sieve plate and the bottom of each flow guide plate on the vibrating screen so as to discharge screened silt.

Preferably, the two side surfaces and the rear end surface of the recovery bin are conical surfaces with the lower ends inclined inwards, so that sediment deposition is further reduced.

Preferably, the lower part in the recovery bin is provided with an annular flushing pipe, the flow dividing pipe is communicated with an outlet of the submersible slurry pump through a water feeding pipe, the water feeding pipe is connected with a tee joint, and a water inlet of the flushing pipe is communicated with the water feeding pipe through a hose and the tee joint; a flushing valve is arranged between the tee joint and the hose; a plurality of flushing nozzles are uniformly distributed at the bottom of the flushing pipe and used for further reducing sediment deposition in the recovery bin.

As a further preference, a tap is arranged on the return pipe and used for connecting the spare water tank; a reducing pipe head is arranged above the inlet of the tap in the return pipe, a butterfly valve is arranged in the recovery bin at the lower end of the return pipe, and a floating ball is connected to the outer end of a valve shaft of the butterfly valve and used for controlling the opening and closing of the butterfly valve through the water quantity in the recovery bin.

As a further preference, the primary filter is a cyclone.

Preferably, the mesh number of the first layer of screen plates in the vibrating screen is slightly larger than that of the second layer of screen plates.

The utility model has the advantages that: the primary filter is arranged on the frame, the inlet of the primary filter is connected with the feeding pipe, the bottom outlet of the primary filter is correspondingly communicated with the feeding hole arranged at the front end of the top of the vibrating screen, and the overflow port of the primary filter is communicated with the liquid inlet arranged at the middle part of the front end of the vibrating screen through a pipeline and a flexible connection; the mud pumped into the device can be primarily filtered through the primary filter, and the filtered mud is circularly filtered and purified through the submersible slurry pump, the vibrating screen and the cyclones; consequently, can effectively reduce the filter load of shale shaker, extension shale shaker life, compact structure, purifying effect is good, can pass through the shale shaker discharge with a large amount of silt that filters out during the purification, avoids a large amount of silt to deposit in retrieving the storehouse.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a partial sectional view a-a of fig. 1.

Fig. 4 is a longitudinal structural cross-sectional view of a baffle.

In the figure: the device comprises a frame 1, a feeding tee joint 2, a flushing valve 3, a tee joint 4, a feeding pipe 5, a pipeline 6, a primary filter 7, a flexible connection 8, a return pipe 9, a tap 901, a collecting pipe 10, a door-shaped frame 11, a shunt pipe 12, a swirler 13, a hopper 14, a vibration mounting seat 15, a vibration motor 16, a vibration screen 17, a feeding hole 171, a pressure spring 18, a flow deflector 19, a spring support 20, a flow guide groove 21, a recovery bin 22, a flushing nozzle 23, a flushing pipe 24, a submersible slurry pump 25, a reducing pipe head 26, a butterfly valve 27, a floating ball 28, a flow guide plate 29, a discharging hole 291, a sieve plate 30, a wedge block 31, a bracket 32 and a wedge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model relates to a mud purification device for non-excavation, including a frame 1, be fixed with in frame 1 and retrieve storehouse 22 and anterior installation has dive sediment stuff pump 25 in retrieving storehouse 22, the both sides face and the rear end face of retrieving storehouse 22 are the conical surface of lower extreme leanin to further reduce silt and deposit.

The utility model discloses a screen box, including frame 1, two sets of pressure springs 18, screen box both sides are supported on the spring support 20 who is fixed in frame 1 upper end both sides through two sets of pressure springs 18 of symmetrical arrangement, install two vibrating motor 16 on vibration mount 15, and the equipartition is fixed with two layers of sieve 30 and one deck guide plate 29 from top to bottom in the screen box, and the top and the bottom surface that lie in every layer of sieve 30 and guide plate 29 at screen box both sides inner wall are fixed with voussoir 31 and bracket 32 respectively to be symmetrical, sieve 30 and guide plate 29 use the bolt to press on corresponding bracket 32 through wedge layering 33 with voussoir 31 complex respectively on frame 1 lie in recovery storehouse 22 on the shale shaker 17, this shale shaker 17 includes the screen box that is formed by square pipe and iron plate welding and welds the vibration mount 15 at screen box top.

The mesh number of the first layer of sieve plate in the vibrating screen 17 is slightly larger than that of the second layer of sieve plate, preferably, the first layer of sieve plate is 30 meshes, and the second layer of sieve plate is 20 meshes. The guide plate 29 is in a step shape, and a feed opening 291 is arranged at the front end of the guide plate 29; for discharging the filtered and purified slurry into the front of the recovery tank 22 and near the submersible slurry pump 25 to further reduce sediment deposition. Arc-shaped guide vanes 19 are respectively arranged at the rear ends of the bottoms of each layer of sieve plates and the guide plate 29 on the vibrating screen 17, and a guide groove 21 is fixed at the rear upper end of the frame 1 so as to discharge screened silt.

Two collecting pipes 10 and two shunt pipes 12 are supported on the frame 1 above the vibrating screen 17 through a door-shaped frame 11, the two collecting pipes 10 are supported above the two shunt pipes 12 in parallel, and the two collecting pipes 10 and the two shunt pipes 12 are respectively communicated with each other. A plurality of cyclones 13 are respectively and evenly distributed on the outer sides of the two shunt tubes 12, the inlets of the cyclones 13 are communicated with the corresponding shunt tubes 12 through clamps and are communicated with the outlet of a submersible slurry pump 25 through a water supply pipe connected to one end of the shunt tubes 12, and the bottom outlets of the cyclones 13 are communicated with the uppermost screen plate of the vibrating screen 17 through a hopper 14 fixed on the door-shaped frame 11.

The overflow ports of the cyclones 13 are communicated with the collecting pipe 10 on the same side through a hoop, and are inserted into the recovery bin 22 through a return pipe 9 connected with the collecting pipe 10 on one side and communicated with the recovery bin 22. A primary filter 7 is arranged on the frame 1, the primary filter 7 is also a cyclone separator, the inlet of the primary filter 7 is connected with a feeding pipe 5, the feeding pipe 5 is vertically arranged, the lower end of the feeding pipe is connected with a feeding tee joint 2, and the feeding tee joint is used for supporting the primary filter 7 and connecting a mud pump to feed in mud. The bottom outlet of the primary filter 7 is correspondingly communicated with a feed inlet 171 arranged at the front end of the top of the vibrating screen 17, the overflow port of the primary filter 7 is communicated with a liquid inlet arranged in the middle of the front end of the vibrating screen 17 through a pipeline 6 and a flexible connection 8, and the liquid inlet corresponds to a second-layer screen plate of the vibrating screen 17.

An annular flushing pipe 24 is arranged at the lower part in the recovery bin 22, a tee joint 4 is connected to the upper part of the upper water pipe, which is positioned on the rack 1, and the water inlet of the flushing pipe 24 is communicated with the upper water pipe through a hose and the tee joint 4; a flushing valve 3 is arranged between the tee joint 4 and the hose; a plurality of washing nozzles 23 are uniformly distributed at the bottom of the washing pipe 24 for further reducing the sediment deposition in the recovery bin 22.

A tap 901 is welded on the return pipe 9 and is used for connecting a standby water tank; a conical reducing pipe head 26 is welded above the inlet of the tap 901 in the return pipe 9, a butterfly valve 27 is installed in the recovery bin 22 at the lower end of the return pipe 9, and a floating ball 28 is connected to the outer end of a valve shaft of the butterfly valve 27 and used for controlling the opening and closing of the butterfly valve 27 through the water quantity in the recovery bin 22.

During non-excavation operation, starting the vibration motor 16 and the submersible slurry pump 25, pumping slurry into the feed pipe 5 through the feed tee 2 and an external slurry pump, feeding the slurry into the primary filter 7 through the feed pipe 5 for primary filtration, dropping silt subjected to primary filtration onto a first layer sieve plate of the vibration sieve from a feed inlet at the front end of the top of the vibration sieve for screening, dropping screened muddy water onto a second layer sieve plate of the vibration sieve and also dropping the muddy water filtered by the primary filter 7 onto a second layer sieve plate of the vibration sieve for screening, discharging the screened silt through the flow deflector 19 and the flow guide groove 21 along with the vibration of the vibration sieve, dropping the screened muddy water onto the flow guide plate 29 through the second layer sieve plate and dropping into the recovery bin 22 through a feed outlet; the muddy water containing fine sand is sucked and discharged into the plurality of cyclones 13 through the submersible slurry pump 25, the muddy water is filtered again through the plurality of cyclones 13, the filtered silt falls into the vibrating screen for secondary screening, the filtered muddy water falls into the recovery bin 22 again through the return pipe 9, and the process is circulated in a reciprocating mode until the silt in the mud pumped into the device is thoroughly filtered out, so that the relatively clean muddy water is stored in the recovery bin 22.

The flushing valve 3 is opened in the circulating process, and a part of muddy water sucked by the submersible slurry pump 25 enters the flushing pipe 24 through the tee joint and is sprayed out through the flushing nozzle 23, so that the sediment deposited on the periphery of the bottom of the recovery bin can be flushed, and the sediment is sucked by the submersible slurry pump 25, and the sediment is prevented from being deposited. When the recovery bin is filled with muddy water, the float ball 28 floats up to close the butterfly valve 27 at the lower end of the return pipe 9, and the muddy water discharged through the return pipe 9 is discharged into the spare water tank through the tap 901.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A mud purification device for non-excavation comprises a frame, wherein a vibrating screen and a plurality of cyclones are arranged on the frame, a recovery bin is arranged in the frame, a submersible slurry pump is arranged in the recovery bin, inlets of the cyclones are communicated with outlets of the submersible slurry pump through flow dividing pipes, and bottom outlets of the cyclones are communicated with a sieve plate on the uppermost layer of the vibrating screen through a hopper; the method is characterized in that: the overflow ports of the cyclones are communicated with the recovery bin through a collecting pipe and a return pipe; the frame is provided with a primary filter, the inlet of the primary filter is connected with a feeding pipe, the bottom outlet of the primary filter is correspondingly communicated with a feeding hole arranged at the front end of the top of the vibrating screen, the overflow port of the primary filter is communicated with a liquid inlet arranged at the middle part of the front end of the vibrating screen through a pipeline and a flexible connection, and the liquid inlet corresponds to the second-layer screen plate of the vibrating screen.

2. The apparatus of claim 1 for trenchless slurry purification characterized by: the vibrating screen comprises a screen box and a vibrating mounting seat arranged at the top of the screen box, wherein two sides of the screen box are supported on a spring support positioned at the upper end of a rack through two groups of symmetrically arranged pressure springs; the mud is discharged into the front part of the recovery bin after being filtered and purified, so that the sediment deposition is further reduced.

3. A device for trenchless slurry cleaning as claimed in claim 2 wherein: the rear upper end of the frame is fixed with a diversion trench, and diversion sheets are respectively arranged at the rear ends of the bottom of each layer of sieve plate and the diversion plate on the vibrating screen so as to discharge the screened silt.

4. The apparatus of claim 1 for trenchless slurry purification characterized by: the two side surfaces and the rear end surface of the recovery bin are conical surfaces with the lower ends inclined inwards so as to further reduce sediment deposition.

5. The apparatus according to claim 1 or 4, wherein: the lower part in the recovery bin is provided with an annular flushing pipe, the flow dividing pipe is communicated with an outlet of the submersible slurry pump through a water feeding pipe, the water feeding pipe is connected with a tee joint, and a water inlet of the flushing pipe is communicated with the water feeding pipe through a hose and the tee joint; a flushing valve is arranged between the tee joint and the hose; a plurality of flushing nozzles are uniformly distributed at the bottom of the flushing pipe and used for further reducing sediment deposition in the recovery bin.

6. The apparatus of claim 5 for trenchless slurry purification characterized by: the return pipe is provided with a tap used for connecting the standby water tank; a reducing pipe head is arranged above the inlet of the tap in the return pipe, a butterfly valve is arranged in the recovery bin at the lower end of the return pipe, and a floating ball is connected to the outer end of a valve shaft of the butterfly valve and used for controlling the opening and closing of the butterfly valve through the water quantity in the recovery bin.

7. The apparatus of claim 1 for trenchless slurry purification characterized by: the primary filter is a cyclone separator.

8. A device for trenchless slurry cleaning as claimed in claim 2 wherein: the mesh number of the first layer of sieve plate in the vibrating screen is slightly larger than that of the second layer of sieve plate.