CN215609568U

CN215609568U - Subway shield constructs filter pressing device for sludge treatment

Info

Publication number: CN215609568U
Application number: CN202121683178.2U
Authority: CN
Inventors: 廖宝斌; 张乐东; 陈正伟
Original assignee: Wuhan Qingjiangyuan Technology Co ltd
Current assignee: Wuhan Qingjiangyuan Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-25
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a filter pressing device for subway shield sludge treatment in the technical field of sludge treatment, which comprises a rack and a box body, wherein the box body is positioned on the right side of the rack, the left side inside the rack is fixedly connected with a mounting plate through bolts, the left side wall of the mounting plate is fixedly connected with a hydraulic cylinder through bolts, the right side inside the rack is fixedly connected with a connecting plate through bolts, and the left side inside the rack is positioned between the mounting plate and the connecting plate and is glidingly connected with a pressing plate, the working efficiency is improved.

Description

Subway shield constructs filter pressing device for sludge treatment

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to a filter pressing device for subway shield sludge treatment.

Background

The subway shield is an important construction technology in urban subway construction, and is a construction method for underground excavation of tunnels under the ground, a large amount of slurry is generated in the process of carrying out the subway shield, and the slurry is generally injected into a filter pressing device for filter pressing treatment in order to improve the transportability of the slurry, so that the slurry is converted into filter cakes to be aligned for transportation.

However, the existing filter pressing device has certain defects in actual use, particle impurities generated due to rock breakage are contained in slurry, but the traditional device cannot remove the slurry, so that filter cloth is easy to damage due to transmission of the particle impurities, the normal use efficiency and the service life of the filter cloth are greatly reduced, on the other hand, the slurry is often attached to the inner wall of the filter cloth after long-term work, an external flushing device is manually needed to flush the filter cloth, the actual operation steps are increased, the working efficiency is reduced, and therefore the filter pressing device for the subway shield sludge treatment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter pressing device for subway shield sludge treatment, which aims to solve the problems that the filter cloth is easy to damage due to the transmission of particle impurities because the inside of slurry contains the particle impurities generated by rock crushing, but the traditional device cannot remove the particle impurities, and on the other hand, the slurry is often attached to the inner wall of the filter cloth after long-term work, and an external washing device is manually used for washing the filter cloth.

In order to achieve the purpose, the utility model provides the following technical scheme: a filter pressing device for subway shield sludge treatment comprises a rack and a box body, wherein the box body is positioned on the right side of the rack, the left side inside the rack is fixedly connected with a mounting plate through bolts, the left side wall of the mounting plate is fixedly connected with a hydraulic cylinder through bolts, the right side inside the rack is fixedly connected with a connecting plate through bolts, the left side inside the rack is positioned between the mounting plate and the connecting plate and is connected with a pressing plate in a sliding manner, the right side inside the rack is positioned between the mounting plate and the connecting plate and is connected with a filter plate in a sliding manner, a filter cloth is arranged in an inner cavity of the filter plate, a material injection hole is formed in the center of the filter plate and the filter cloth, two drain holes are formed in an inner cavity of the filter plate and positioned below the filter cloth, a filter chamber is formed in the bottom of the inner cavity of the filter plate, and the input end of each drain hole is communicated with the output end of the filter chamber, the utility model discloses a solar energy water heater, including connecting plate, water pipe, reversing valve, wash pipe, baffle.

Preferably, the mounting panel with the bottom of connecting plate all is through bolt fixedly connected with frame, and two connect the mud platform through bolt fixedly connected with between the frame, it is located to connect the mud platform the below of filter plate.

Preferably, the top of the hydraulic cylinder is provided with a barometer, and the barometer is made of stainless steel.

Preferably, the upper side of the front side wall of the filter plate is fixedly connected with a retaining ring through a bolt, the top of the rack is connected with a pulling plate trolley in a sliding mode, and the height of the pulling plate trolley is horizontally aligned with the height of the retaining ring.

Preferably, the right side input end of the box body is connected with a material conveying pipe through a flange, and the left side output end of the box body is connected with the input end of the material injecting pipe through a flange.

Preferably, the left side of the front side wall of the box body is fixedly connected with a box door through a bolt, and the center of the box door is horizontally aligned with the center of the sieve plate.

Preferably, the output end of the material injection pipe is communicated with the input end of the material injection hole, and the output end of the water outlet pipe is communicated with the input end of the filter chamber.

Compared with the prior art, the utility model has the beneficial effects that:

1. this subway shield constructs filter-pressing device for sludge treatment, set up the box through the right side in the frame, and utilize the cooperation of broken paddle leaf and sieve to use, carry out crushing treatment to the mud group that contains in the mud of inputing, make earth in the mud pass through in the sieve completely, and the rock granule that exists in the mud is because unable by broken paddle leaf decomposes, lead to its unable sieve that passes through, thereby reach the purpose of keeping apart to it, fundamentally avoids the rock granule to damage the surface of filter cloth in transmission process, the availability factor and the life of this device have been improved.

2. This filter-pressing device is used in subway shield mud treatment, set up the switching-over valve through the link at the outlet pipe, utilize the switching-over valve to carry out real time control to the operating condition of outlet pipe, when needs discharge liquid, start the switching-over valve and make it open the passageway of raceway and close the passageway of scavenge pipe, make the interior liquid of outlet pipe pass through the raceway and be discharged, when needs wash the filter cloth, start the switching-over valve and make it close the passageway of raceway and open the passageway of scavenge pipe, inject outside clean water into to the filter plate in through the outlet pipe, and carry out cleaning treatment to the adnexed mud in filter cloth surface, realized that this device can possess and carry out self-cleaning's function to the filter cloth, need not the manual work and carry out actual operation, the operating procedure that has reduced its use, improved its work efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the connection internal structure of the connection plate and the filter plate according to the present invention;

fig. 4 is a schematic view of the internal structure of the case of the present invention.

In the figure: 100. a frame; 110. a machine base; 120. a mud receiving platform; 130. mounting a plate; 140. a hydraulic cylinder; 141. a barometer; 150. a compression plate; 160. filtering the plate; 161. a retaining ring; 162. filtering cloth; 163. a material injection hole; 164. a drain hole; 165. a filtration chamber; 170. a connecting plate; 171. a material injection pipe; 172. a water outlet pipe; 180. a plate pulling trolley; 190. a diverter valve; 191. a water delivery pipe; 192. cleaning the tube; 200. a box body; 210. a box door; 220. a delivery pipe; 230. a support; 240. crushing the blades; 250. positioning the snap ring; 260. and (4) a sieve plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a filter pressing device for subway shield sludge treatment, which improves the use efficiency and the service life of the device, and realizes that the device can have the function of automatically cleaning filter cloth 162, and please refer to fig. 1-4, and the filter pressing device comprises a frame 100 and a box body 200;

referring to fig. 1-4 again, the left side of the inside of the frame 100 is fixedly connected with a mounting plate 130 through bolts, the left side wall of the mounting plate 130 is fixedly connected with a hydraulic cylinder 140 through bolts, the right side of the inside of the frame 100 is fixedly connected with a connecting plate 170 through bolts, the left side of the inside of the frame 100 and between the mounting plate 130 and the connecting plate 170 is connected with a pressing plate 150 in a sliding manner, the right side of the inside of the frame 100 and between the mounting plate 130 and the connecting plate 170 is connected with a filter plate 160 in a sliding manner, a filter cloth 162 is arranged in an inner cavity of the filter plate 160, a material injection hole 163 is arranged at the center of the filter plate 160 and the filter cloth 162, two water discharge holes 164 are arranged in an inner cavity of the filter plate 160 and below the filter cloth 162, a filter chamber 165 is arranged at the bottom of the inner cavity of the filter plate 160, an input end of the water discharge hole 164 is communicated with an output end of the filter chamber 165, a material injection pipe 171 is inserted in the center of the right side wall of the connecting plate 170, a water outlet pipe 172 is inserted below the right side wall of the connecting plate 170, the input end of the water outlet pipe 172 is connected with a reversing valve 190 through a flange, the right side wall of the reversing valve 190 is connected with a water pipe 191 through a flange, the bottom of the reversing valve 190 is connected with a cleaning pipe 192 through a flange, the rack 100 is used for installing and fixing the mounting plate 130 and the connecting plate 170 and providing a working space for the pressing plate 150 and the filter plates 160, the mounting plate 130 is used for installing and fixing the hydraulic cylinder 140, the hydraulic cylinder 140 is used for installing and driving the pressing plate 150 to move left and right in the rack 100, the pressing plate 150 is used for pressing and connecting the filter plates 160 so as to tightly attach the filter plates 160 to filter and press the injected mud, the filter plates 160 are used for installing and fixing the filter cloth 162, the filter cloth 162 is used for separating and separating the mud and liquid in the injected mud and pressing the mud into filter cakes, the material injection hole 163 is used for communicating the space between the filter plate 160 and the filter cloth 162 and the input end of the material injection pipe 171, the water discharge hole 164 is used for inputting the liquid generated by pressing the filter cloth 162 into the filter chamber 165 for discharging, the filter chamber 165 is used for discharging the input liquid into the water outlet pipe 172, the connecting plate 170 is used for fixing the right input end of the filter plate 160 and fixedly connecting the material injection pipe 171 and the water outlet pipe 172, the material injection pipe 171 is used for connecting and mounting the box body 200 and injecting the slurry output from the box body 200 into the material injection hole 163, the water outlet pipe 172 is used for connecting and mounting the reversing valve 190 and discharging the liquid generated by the filter chamber 165, the reversing valve 190 is used for connecting and fixing the water pipe 191 and the cleaning pipe 192 and changing the input direction of the liquid in the water pipe 191, and the water pipe 191 is used for discharging the liquid discharged from the filter chamber 165, the cleaning pipe 192 is used for injecting an external cleaning liquid into the filter cloth 162 through the water outlet pipe 172 to clean the filter cloth 162;

referring to fig. 1 to 4 again, a bracket 230 is fixedly connected to the right side of the inner cavity of the box 200, a crushing blade 240 is rotatably connected to the right side wall of the bracket 230, two positioning snap rings 250 are fixedly connected to the left side of the inner cavity of the box 200, a screen plate 260 is slidably connected between the two positioning snap rings 250, the box 200 is located at the right side of the rack 100, specifically, the box 200 is connected to the input end of the material injection pipe 171 through a flange and located at the right side of the rack 100, the box 200 is used for installing and fixing the bracket 230 and the positioning snap rings 250 and processing externally injected slurry, the bracket 230 is used for installing the working position of the crushing blade 240, the crushing blade 240 is used for stirring the injected slurry and crushing the mud lumps contained in the slurry, thereby improving the slurry delivery efficiency, and the positioning snap rings 250 are used for fixing the working position of the screen plate 260, and make things convenient for the later stage to carry out quick replacement to sieve 260, sieve 260 is used for carrying out screening process to the mud after the crushing treatment, carries out effective isolation treatment with the particle impurity that contains in the mud, avoids causing the damage to filter cloth 162.

Referring to fig. 1-2 again, in order to facilitate collection of a filter cake generated from the filter plate 160 and improve convenience of subsequent transportation, the bases 110 are fixedly connected to the bottom of the mounting plate 130 and the bottom of the connecting plate 170 through bolts, the mud receiving table 120 is fixedly connected between the two bases 110 through bolts, and the mud receiving table 120 is located below the filter plate 160.

Referring to fig. 1-2 again, in order to facilitate the operator to quickly observe the pressure inside the hydraulic cylinder 140 and avoid the risk of over-pressure or under-pressure, a gas pressure gauge 141 is disposed on the top of the hydraulic cylinder 140, and the gas pressure gauge 141 is made of stainless steel.

Referring to fig. 1-2 again, in order to facilitate separation of the filter plate 160 after filter pressing is completed and to achieve automation of the operation of the apparatus, a retaining ring 161 is fixedly connected to the upper side of the front side wall of the filter plate 160 through bolts, a pull plate cart 180 is connected to the top of the frame 100 in a sliding manner, and the height of the pull plate cart 180 is horizontally aligned with the height of the retaining ring 161.

Referring again to fig. 1-2 and 4, in order to position the box 200 and facilitate the subsequent disassembly thereof, the right input end of the box 200 is flanged with a feeding pipe 220, and the left output end of the box 200 is flanged with the input end of the feeding pipe 171.

Referring again to fig. 1-2 and 4, to simplify the replacement of the screen panel 260 by the operator in the later use, a door 210 is fixedly connected to the left side of the front side wall of the cabinet 200 by bolts, and the center of the door 210 is horizontally aligned with the center of the screen panel 260.

Referring to fig. 3 again, in order to improve the effect that the material injection pipe 171 injects the slurry into the filter plate 160 completely and effectively transport the liquid generated by filter pressing, thereby avoiding the risk of transport leakage, the output end of the material injection pipe 171 is communicated with the input end of the material injection hole 163, and the output end of the water outlet pipe 172 is communicated with the input end of the filter chamber 165.

When the device is used specifically, a person skilled in the art communicates the device with an external control system, external slurry is injected into the box body 200 through the delivery pipe 220, the crushing paddle 240 is driven to rotate in the box body 200 by an acting force generated by slurry injection, so that a mud mass contained in the slurry is crushed and decomposed into particles with smaller diameters, the crushed slurry is uniformly conveyed into the feed pipe 171 through the sieve plate 260, non-decomposable particulate matters in the slurry are screened by the sieve plate 260, the slurry is sequentially filled in the filter cloth 162 through the feed pipe 171, at the moment, the hydraulic cylinder 140 is started through an external control device, the pressing plate 150 is pushed rightwards, the filter plate 160 and the filter cloth 162 are pressed together under the matching use of the connecting plate 170 and the pressing plate 150, and liquid in the slurry inside is extruded and discharged into the drain hole 164 along with the pressing of the filter cloth 162, liquid is discharged into the filter chamber 165 through the drain hole 164, then the liquid is discharged into the water outlet pipe 172 through the filter chamber 165, the reversing valve 190 is started to open the channel of the water pipe 191 and close the channel of the cleaning pipe 192, so that the liquid in the water outlet pipe 172 is discharged through the water pipe 191, after the filter pressing operation of slurry is completed, the plate pulling trolley 180 is started to slide left and right on the frame 100, the two filter plates 160 are separated through the retaining ring 161, meanwhile, the filter cake generated by filter pressing falls into the sludge receiving table 120 under the action of gravity to be collected in a centralized manner, and the filter cake is conveniently conveyed in the later period.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a subway shield constructs filter pressing device for sludge treatment which characterized in that: including frame (100) and box (200), box (200) are located the right side of frame (100), bolt fixedly connected with mounting panel (130) is passed through to the inside left side of frame (100), the left side wall of mounting panel (130) passes through bolt fixedly connected with pneumatic cylinder (140), bolt fixedly connected with connecting plate (170) is passed through to the inside right side of frame (100), the inside left side of frame (100) just is located mounting panel (130) with it has pressure strip (150) to slide between connecting plate (170), the inside right side of frame (100) just is located mounting panel (130) with it has filter plate (160) to slide between connecting plate (170), the inner chamber of filter plate (160) is provided with filter cloth (162), filter plate (160) with the center department of filter cloth (162) has seted up notes material hole (163), the filter plate is characterized in that two drain holes (164) are formed in the inner cavity of the filter plate (160) and located below the filter cloth (162), a filter chamber (165) is formed in the bottom of the inner cavity of the filter plate (160), the input ends of the drain holes (164) are communicated with the output ends of the filter chamber (165), a material injection pipe (171) is inserted in the center of the right side wall of the connecting plate (170), a water outlet pipe (172) is inserted in the right side wall of the connecting plate (170) and located below the material injection pipe (171), the input end of the water outlet pipe (172) is connected with a reversing valve (190) through a flange, the right side wall of the reversing valve (190) is connected with a water pipe (191) through a flange, the bottom of the reversing valve (190) is connected with a cleaning pipe (192) through a flange, a support (230) is fixedly connected to the right side of the inner cavity of the box body (200), and a crushing paddle (240) is rotatably connected to the right side wall of the support (230), the inner chamber left side fixedly connected with of box (200) two location snap rings (250), and two slide between location snap ring (250) and be connected with sieve (260).

2. The filter pressing device for subway shield sludge treatment according to claim 1, wherein: mounting panel (130) with the bottom of connecting plate (170) all is through bolt fixedly connected with frame (110), and two connect mud platform (120) through bolt fixedly connected with between frame (110), it is located to connect mud platform (120) the below of filter plate (160).

3. The filter pressing device for subway shield sludge treatment according to claim 1, wherein: the top of the hydraulic cylinder (140) is provided with a barometer (141), and the barometer (141) is made of stainless steel.

4. The filter pressing device for subway shield sludge treatment according to claim 1, wherein: the upper side of the front side wall of the filter plate (160) is fixedly connected with a retaining ring (161) through a bolt, the top of the frame (100) is connected with a pulling plate trolley (180) in a sliding mode, and the height of the pulling plate trolley (180) is horizontally aligned with the height of the retaining ring (161).

5. The filter pressing device for subway shield sludge treatment according to claim 1, wherein: the right side input of box (200) has conveying pipeline (220) through flange joint, the left side output of box (200) passes through flange joint and is in annotate the input of material pipe (171).

6. The filter pressing device for subway shield sludge treatment according to claim 1, wherein: the left side of the front side wall of the box body (200) is fixedly connected with a box door (210) through a bolt, and the center of the box door (210) is horizontally aligned with the center of the sieve plate (260).

7. The filter pressing device for subway shield sludge treatment according to claim 1, wherein: the output end of the material injection pipe (171) is communicated with the input end of the material injection hole (163), and the output end of the water outlet pipe (172) is communicated with the input end of the filter chamber (165).