CN218083375U - High-speed pulping system for TBM - Google Patents
High-speed pulping system for TBM Download PDFInfo
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- CN218083375U CN218083375U CN202221738833.4U CN202221738833U CN218083375U CN 218083375 U CN218083375 U CN 218083375U CN 202221738833 U CN202221738833 U CN 202221738833U CN 218083375 U CN218083375 U CN 218083375U
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Abstract
A high-speed pulping system for TBM comprises a pulping unit and a pulp storage unit, wherein the pulping unit comprises a pulping tank, the upper end of the pulping tank is provided with a feed inlet, the lower end of the pulping tank is provided with a discharge outlet, the discharge outlet is connected with a pump inlet of a circulating pump, a pump outlet of the circulating pump is connected with an inlet of a three-way valve, and one outlet of the three-way valve is communicated with the pulping tank through a circulating pipeline; the paddle storage unit comprises a paddle storage tank, the other outlet of the three-way valve is communicated with the paddle storage tank through a conveying pipeline, and the water adding pipe is communicated with the discharge hole; the three-way valve is adjusted to be in a conduction state with the pulping tank, water enters the pulping tank from the discharge port through the water adding pipe, the circulating pump is started, powder is added into the feed port at the upper end of the pulping tank, the circulating pump sucks the pulp from the bottom of the pulping tank and sprays the pulp from the upper end of the pulping tank to generate high-speed liquid flow, and strong vortex is formed in the pulping tank due to the fact that the head of the circulating pipeline is communicated with the pulping tank in a tangent mode, so that the powder and the water are quickly and fully and evenly stirred. Has the characteristics of convenient use and high pulping efficiency.
Description
Technical Field
The utility model relates to an engineering equipment technical field especially relates to a high-speed slurrying system for TBM.
Background
The pulping machine is a special device for preparing the slurry in the grouting engineering, is widely used in the engineering construction of the industries such as hydropower, railway, highway, building, mine and the like, and can quickly prepare the water, the cement and the additive thereof into the slurry. Particularly, in the full-face hard rock tunnel engineering, grouting is carried out to control settlement when a Tunnel Boring Machine (TBM) constructs a tunnel, and the key effects are played on the stability of a ring-forming tunnel structure and the deformation control of surrounding soil bodies.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the problem existing in the background art is solved, and the high-speed pulping system for the TBM with high pulping efficiency is provided.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a high-speed pulping system for TBM comprises a pulping unit and a pulp storage unit, wherein the pulping unit comprises a pulping tank, the upper end of the pulping tank is provided with a feed inlet, the lower end of the pulping tank is provided with a discharge outlet, the discharge outlet is connected with a pump inlet of a circulating pump, a pump outlet of the circulating pump is connected with an inlet of a three-way valve, and one outlet of the three-way valve is communicated with the pulping tank through a circulating pipeline; the paddle storage unit comprises a paddle storage tank, the other outlet of the three-way valve is communicated with the paddle storage tank through a conveying pipeline, and the water adding pipe is communicated with the discharge hole; pulping tank and storage oar jar are hollow cylinder structure, and circulating line and pipeline connect respectively at pulping tank and storage oar jar upper portion lateral wall, and the pipeline head is tangent with pulping tank and storage oar jar respectively.
The lower end of the pulping tank is connected with a conical material guide port, the head of the lower end of the conical material guide port is provided with a flow guide pipeline, and the flow guide pipeline is connected with a pump inlet of a circulating pump; the water adding pipe is communicated with the flow guide pipeline.
The water feeding pipe is provided with a cleaning pipeline which is communicated with a cavity of a pump inlet of the circulating pump.
The water feeding pipe is provided with a valve.
The top of the oar storage tank is provided with a stirring device
Agitating unit is including installing the speed reducer and the first motor of drive speed reducer pivoted at storage oar jar top, the output of speed reducer is equipped with the stirring rod, and stirring rod one end is connected with the output of speed reducer, and the other end stretches into and stores up oar jar inside bottom.
The bottom of the pulping unit and the bottom of the paddle storage unit are provided with fixing frames, and the pulping unit, the paddle storage unit and the circulating pump are arranged on the fixing frames.
The circulating pump comprises a pump body, a pump core is arranged in the pump body, a second motor is installed at the upper end of the pump body, an output shaft of the second motor is connected with the pump core, a volute is installed at the lower end of the pump body, a pump inlet is formed in the upper side of the volute, and the pump outlet is located below the pump inlet.
The pump core comprises a core shaft, a bearing is arranged in the middle of the core shaft and is rotationally connected with a fixed seat, end covers are arranged on the two sides of the fixed seat, which are positioned on the bearing, the end covers are arranged on the fixed seat through bolts and are hermetically connected with the fixed seat and the core shaft, a coupler is arranged at one end of the core shaft and is connected with an output shaft of a second motor, and the other end of the core shaft is connected with an impeller; the end part of the fixed seat, which is positioned on one side of the impeller, is provided with a flange, and the flange is connected with the pump body.
The mandrel is connected with the impeller through taper threads; the impeller is provided with a counter bore, a conical internal thread is arranged in the counter bore, a conical external thread is arranged at the end part of the core shaft, the conical external thread of the core shaft is connected with the conical internal thread in the counter bore of the impeller, the end part of the core shaft enters the counter bore of the impeller, and the positioning bolt is screwed in from the outside of the counter bore of the impeller to extrude the core shaft.
The utility model discloses there is following beneficial effect:
1. the three-way valve is adjusted to be in a conduction state with the pulping tank, water enters the pulping tank from the discharge port through the water adding pipe, the circulating pump is started, powder is added into the feed port at the upper end of the pulping tank, the circulating pump sucks the pulp from the bottom of the pulping tank and sprays the pulp from the upper end of the pulping tank to generate high-speed liquid flow, and strong vortex is formed in the pulping tank due to the fact that the head of the circulating pipeline is communicated with the pulping tank in a tangent mode, so that the powder and the water are rapidly and fully and evenly stirred. Has the characteristics of convenient use and high pulping efficiency.
2. The toper guide mouth is connected to pulping tank lower extreme, the complete outflow of the thick liquids of being convenient for to when the circulating pump sucks, form rotatory vortex in toper guide mouth inside, thereby make the stirring more abundant, practice thrift the churning time more. The lower end head of the conical material guide opening is provided with a flow guide pipeline, so that a circulating pump can be conveniently installed. The water feeding pipe is communicated with the diversion pipeline, so that the water quantity in the diversion pipeline is sufficient, and the situation that powder is accumulated to block the circulating pump when the powder is added is prevented. And simultaneously, the guide pipeline is convenient to clean after the work is finished.
3. The water feeding pipe is provided with a cleaning pipeline which is communicated with the cavity of the pump inlet of the circulating pump. The circulating pump is convenient to clean after the work is finished, and the circulating pump is blocked after the slurry is placed to be hardened.
4. The top of the paddle storage tank is provided with a stirring device. Prevent that the thick liquids that store in the storage oar jar need not for a long time, cause the thick liquids layering segregation, can't pump out the use. And the external conveying pump can pump the waste water out conveniently for use.
5. The circulating pump includes the pump body, and pump core is equipped with in the pump body inside, and the upper end installation second motor of the pump body, the output shaft and the pump core of second motor are connected, and pump body lower extreme installation spiral case, spiral case upside are equipped with the pump inlet, and the pump outlet is located the below of pump inlet. Furthermore, the pump inlet has a rectangular opening, so that the pump inlet is conveniently connected with a flow guide pipeline, the caliber of the pump inlet is larger than that of the pump outlet, and slurry can be ejected out from the pump outlet at a high speed through extrusion.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a rear view structure diagram of the present invention.
Fig. 3 is a schematic view of the top view structure of the present invention.
FIG. 4 is a schematic diagram of the structure of the pulping unit of the present invention.
Fig. 5 is a schematic view of the three-dimensional structure of the circulating pump of the present invention.
Fig. 6 is the schematic view of the mandrel structure of the circulating pump of the present invention.
In the figure: the device comprises a pulping unit 10, a pulping tank 11, a feeding port 12, a discharging port 13, a diversion pipeline 14, a water adding pipe 15, a valve 151, a cleaning pipeline 16, a three-way valve 17, a circulating pipeline 18 and a conveying pipeline 19;
the device comprises a paddle storage unit 20, a paddle storage tank 21, a stirring device 22, a speed reducer 221 and a first motor 222;
the pump comprises a circulating pump 30, a pump body 31, a pump core 32, a core shaft 321, a fixed seat 322, a flange 323, a bearing 324, an end cover 325, a bolt 326, a coupling 327, an impeller 328, a positioning bolt 329, a second motor 33, a volute 34, a pump inlet 35, a pump outlet 36 and a fixed frame 40.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-4, a high-speed pulping system for TBM, which comprises a pulping unit 10 and a pulp storage unit 20, wherein the pulping unit 10 comprises a pulping tank 11, a feed inlet 12 is arranged at the upper end of the pulping tank 11, a discharge outlet 13 is arranged at the lower end of the pulping tank 11, the discharge outlet 13 is connected with a pump inlet 35 of a circulating pump 30, a pump outlet 36 of the circulating pump 30 is connected with an inlet of a three-way valve 17, and one outlet of the three-way valve 17 is communicated with the pulping tank 11 through a circulating pipeline 18; the paddle storage unit 20 comprises a paddle storage tank 21, the other outlet of the three-way valve 17 is communicated with the paddle storage tank 21 through a conveying pipeline 19, and the water adding pipe 15 is communicated with the discharge hole 13; pulping tank 11 and storage oar jar 21 are hollow cylinder structure, and circulating line 18 and pipeline 19 are connected respectively at pulping tank 11 and storage oar jar 21's upper portion lateral wall, and the pipeline head is tangent with pulping tank 11 and storage oar jar 21 respectively. Firstly, the three-way valve 17 is adjusted to be in a conduction state with the pulping tank 11, water enters the pulping tank 11 from the discharge port 13 through the water adding pipe 15, the circulating pump 30 is started, powder is added into the feed port 12 at the upper end of the pulping tank 11, the circulating pump 30 sucks the pulp from the bottom of the pulping tank 11 and sprays the pulp from the upper end of the pulping tank 11 to generate high-speed liquid flow, and the head of the circulating pipeline 18 is in tangential communication with the pulping tank 11 to form strong vortex in the pulping tank 11, so that the powder and the water are rapidly, fully and uniformly stirred. After the slurry is uniformly stirred, the three-way valve 17 is switched to enable the pump outlet 36 of the circulating pump 30 to be communicated with the slurry storage tank 21, and the stirred slurry is pumped into the slurry storage tank 21 to be stored for later use. The slurry storage tank 21 pumps the stored slurry to the construction site by an additional transfer pump.
In a preferred scheme, referring to fig. 1 and 2, a conical material guiding port is connected to the lower end of the pulping tank 11, a flow guiding pipeline 14 is arranged at the head of the lower end of the conical material guiding port, and the flow guiding pipeline 14 is connected to a pump inlet 35 of a circulating pump 30; the water feeding pipe 15 is communicated with the diversion pipeline 14. The toper guide mouth is connected to slurrying jar 11 lower extreme, the complete outflow of the thick liquids of being convenient for to when circulating pump 30 inhales, at the inside rotatory vortex that forms of toper guide mouth, thereby make the stirring more abundant, practice thrift the churning time more. The lower end head of the conical material guiding opening is provided with a flow guide pipeline 14, which is convenient for installing a circulating pump 30. The water adding pipe 15 is communicated with the diversion pipeline 14, so that the water quantity in the diversion pipeline 14 is sufficient, and the situation that powder is accumulated to block the circulating pump 30 when the powder is added is prevented. While also facilitating cleaning of the diversion conduit 14 after work is complete.
In a preferred solution, with reference to fig. 4, said water feeding pipe 15 is provided with a washing pipe 16, the washing pipe 16 being in communication with the cavity of the pump inlet 35 of the circulation pump 30. The circulation pump 30 is convenient to clean after the work is finished, and the circulation pump 30 is blocked after the slurry is placed to be hardened. The cleaning pipeline 16 is provided with a valve which is opened when cleaning is needed. And closing the valve in normal operation.
In a preferred solution, the water feeding pipe 15 is provided with a valve 151, see fig. 4. Water is conveniently injected into the pulping tank 11.
In a preferred scheme, referring to fig. 1-3, a stirring device 22 is arranged at the top of the paddle storage tank 21. Prevent that the thick liquids that store in the storage oar jar 21 from using for a long time, cause the thick liquids layering segregation, can't pump out the use.
Specifically, the stirring device 22 includes a speed reducer 221 installed at the top of the paddle storage tank 21 and a first motor 222 driving the speed reducer 221 to rotate, an output end of the speed reducer 221 is provided with a stirring rod (not shown), one end of the stirring rod is connected with an output end of the speed reducer 221, and the other end of the stirring rod extends into the bottom inside the paddle storage tank 21. The same as a common stirring rod is used for stirring the slurry in the slurry storage tank 21, so that the slurry is prevented from layering, separating and losing efficacy, and the slurry is conveniently pumped out by an external conveying pump for use.
In a preferred embodiment, referring to fig. 1 to 3, the bottom of the pulping unit 10 and the paddle storage unit 20 is provided with a fixing frame 40, and the pulping unit 10, the paddle storage unit 20 and the circulation pump 30 are mounted on the fixing frame 40. Is convenient for integral transportation. The fixing frame 40 is made of section steel, for example, channel steel, and has simple manufacture and high structural strength.
In a preferred scheme, referring to fig. 5, the circulation pump 30 includes a pump body 31, a pump core 32 is disposed inside the pump body 31, a second motor 33 is mounted at an upper end of the pump body 31, an output shaft of the second motor 33 is connected with the pump core 32, a volute 34 is mounted at a lower end of the pump body 31, a pump inlet 35 is disposed at an upper side of the volute 34, and a pump outlet 36 is located below the pump inlet 35. Further, the pump inlet 35 has a rectangular opening for facilitating connection with the diversion pipeline 14, and the caliber of the pump inlet 35 is larger than that of the pump outlet 36, so that the slurry can be ejected from the pump outlet 36 at a high speed through extrusion.
Specifically, referring to fig. 6, the pump core 32 includes a core shaft 321, a bearing 324 is disposed in the middle of the core shaft 321 and rotatably connected to a fixed seat 322, end covers 325 are disposed on two sides of the bearing of the fixed seat 322, the end covers 325 are mounted on the fixed seat 322 through bolts 326 and are hermetically connected to the fixed seat 322 and the core shaft 321, a coupling 327 is mounted at one end of the core shaft 321 and connected to an output shaft of the second motor 33, and the other end of the core shaft is connected to an impeller 328; the impeller 328 is installed in the volute 34, and the end of the fixed seat 322 on one side of the impeller 328 is provided with a flange 323, and the flange 323 is connected with the pump body 31. The structure is firm, and the performance is stable.
Further, the spindle 321 is connected with the impeller 328 through a taper thread; the impeller 328 is provided with a counter bore, a conical internal thread is arranged in the counter bore, a conical external thread is arranged at the end part of the mandrel 321, the conical external thread of the mandrel 321 is connected with the conical internal thread in the counter bore of the impeller 328, the end part of the mandrel 321 enters the counter bore of the impeller 328, and the positioning bolt 329 is screwed into the extrusion mandrel 321 from the outside of the counter bore of the impeller 328. The impeller 328 is prevented from falling off during operation, and specifically, the fastening direction of the tapered thread of the impeller 328 is opposite to the rotation direction of the spindle 321, so that the impeller is firmer and firmer. When replacing, the impeller 328 can be quickly disassembled by unscrewing a little.
The utility model discloses a working process and principle:
firstly, the three-way valve 17 is adjusted to be in a conduction state with the pulping tank 11, water enters the pulping tank 11 from the discharge port 13 through the water adding pipe 15, the circulating pump 30 is started after the water is not less than one third of the volume of the pulping tank 11, powder is added into the feed port 12 at the upper end of the pulping tank 11, then the water and the powder are added simultaneously, the time for adding the powder and the water is controlled to be 1 minute, and after all the powder is added, the stirring is continued for 1.5 minutes. The circulating pump 30 sucks the slurry from the bottom of the pulping tank 11, when the circulating pump 30 sucks the slurry, a rotating vortex is formed inside the conical material guide opening, the slurry is sprayed out from the upper end of the pulping tank 11 through a circulating pipeline after being added by the circulating pump to generate high-speed liquid flow, and a strong vortex is formed in the pulping tank 11, so that the powder and water are quickly, fully and uniformly stirred. After the slurry is uniformly stirred, the three-way valve 17 is switched to enable the pump outlet 36 of the circulating pump 30 to be communicated with the slurry storage tank 21, and the stirred slurry is pumped into the slurry storage tank 21 to be stored for later use. The slurry storage tank 21 pumps the stored slurry to the work or construction site through an additional transfer pump.
Claims (10)
1. A high-speed pulping system for TBM, characterized in that: the pulping unit (10) comprises a pulping unit (10) and a pulp storage unit (20), wherein the pulping unit (10) comprises a pulping tank (11), a feeding hole (12) is formed in the upper end of the pulping tank (11), a discharging hole (13) is formed in the lower end of the pulping tank (11), the discharging hole (13) is connected with a pump inlet (35) of a circulating pump (30), a pump outlet (36) of the circulating pump (30) is connected with an inlet of a three-way valve (17), and one outlet of the three-way valve (17) is communicated with the pulping tank (11) through a circulating pipeline (18); the paddle storage unit (20) comprises a paddle storage tank (21), the other outlet of the three-way valve (17) is communicated with the paddle storage tank (21) through a conveying pipeline (19), and the water adding pipe (15) is communicated with the discharge hole (13); pulping tank (11) and storage oar jar (21) are hollow cylinder structure, and circulating line (18) and pipeline (19) are connected respectively at pulping tank (11) and the upper portion lateral wall that stores up oar jar (21), and the pipeline head is tangent with pulping tank (11) and storage oar jar (21) respectively.
2. The high-speed pulping system for TBM according to claim 1, characterized in that: the lower end of the pulping tank (11) is connected with a conical material guide port, the head of the lower end of the conical material guide port is provided with a flow guide pipeline (14), and the flow guide pipeline (14) is connected with a pump inlet (35) of a circulating pump (30); the water adding pipe (15) is communicated with the flow guide pipeline (14).
3. The high-speed pulping system for TBM according to claim 1, characterized in that: the water feeding pipe (15) is provided with a cleaning pipeline (16), and the cleaning pipeline (16) is communicated with a cavity of a pump inlet (35) of the circulating pump (30).
4. A high speed pulping system for TBM in accordance with claims 1 or 3, wherein: the water adding pipe (15) is provided with a valve (151).
5. The high-speed pulping system for TBM according to claim 1, wherein: and a stirring device (22) is arranged at the top of the paddle storage tank (21).
6. The high-speed pulping system for TBM according to claim 5, wherein: agitating unit (22) are including installing speed reducer (221) and drive speed reducer (221) pivoted first motor (222) at storage oar jar (21) top, the output of speed reducer (221) is equipped with the stirring rod, and stirring rod one end is connected with the output of speed reducer (221), and the other end stretches into and stores up the interior bottom of oar jar (21).
7. The high-speed pulping system for TBM according to claim 1, characterized in that: the bottom of the pulping unit (10) and the bottom of the paddle storage unit (20) are provided with a fixed frame (40), and the pulping unit (10), the paddle storage unit (20) and the circulating pump (30) are arranged on the fixed frame (40).
8. The high-speed pulping system for TBM according to claim 1, characterized in that: circulating pump (30) are equipped with pump core (32) including the pump body (31), pump body (31) inside, and second motor (33) are installed to the upper end of the pump body (31), and the output shaft and the pump core (32) of second motor (33) are connected, and volute (34) are installed to pump body (31) lower extreme, and volute (34) upside is equipped with pump inlet (35), and pump outlet (36) are located the below of pump inlet (35).
9. The high-speed pulping system for the TBM according to claim 8, wherein: the pump core (32) comprises a core shaft (321), a bearing (324) is arranged in the middle of the core shaft (321) and is rotatably connected with a fixed seat (322), end covers (325) are arranged on two sides, located on the bearing, of the fixed seat (322), the end covers (325) are installed on the fixed seat (322) through bolts (326) and are in sealing connection with the fixed seat (322) and the core shaft (321), a coupler (327) is installed at one end of the core shaft (321) and is connected with an output shaft of a second motor (33), and the other end of the core shaft is connected with an impeller (328); the end part of the fixed seat (322) at one side of the impeller (328) is provided with a flange (323), and the flange (323) is connected with the pump body (31).
10. The high-speed pulping system for TBM according to claim 9, characterized in that: the mandrel (321) is connected with the impeller (328) through a taper thread; impeller (328) are equipped with the counter bore, are equipped with the toper internal thread in the counter bore, and dabber (321) tip is equipped with the toper external screw thread, and the toper external screw thread of dabber (321) and the toper female connection in impeller (328) counter bore, and in dabber (321) tip entered into impeller (328) counter bore, positioning bolt (329) followed the outside screw in of impeller (328) counter bore and extrudeed dabber (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221738833.4U CN218083375U (en) | 2022-07-07 | 2022-07-07 | High-speed pulping system for TBM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221738833.4U CN218083375U (en) | 2022-07-07 | 2022-07-07 | High-speed pulping system for TBM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218083375U true CN218083375U (en) | 2022-12-20 |
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ID=84478662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221738833.4U Active CN218083375U (en) | 2022-07-07 | 2022-07-07 | High-speed pulping system for TBM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218083375U (en) |
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2022
- 2022-07-07 CN CN202221738833.4U patent/CN218083375U/en active Active
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