Vacuum pumping equipment for vacuum preloading soft foundation treatment
By introducing vacuum filters, buffer storage tanks and gas filters into the vacuum exhaust equipment, the equipment is solved due to silt and low vacuum degree, and the equipment is stable operation and good suction power are achieved.
Patent Information
- Application Number
- CN202420952322.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-05-06
AI Technical Summary
During the vacuum prepression soft foundation treatment, existing vacuum exhaust equipment is prone to being stuck and damaged due to silt and sand entering the equipment, and at the same time, the vacuum degree is low and it is impossible to maintain good suction power.
A vacuum exhaust device is designed, including a vacuum filter, a buffer storage tank and a gas filter. The vacuum filter filters the silt and sand during the pumping process to prevent it from entering the equipment; the buffer storage tank provides sufficient buffer space to stabilize the suction flow; the gas filter increases the vacuum degree and prevents the vacuum pump from being blocked.
It effectively avoids internal jamming and damage of the equipment, improves the vacuum level, maintains good suction power, and ensures the stable operation of the equipment.
Smart Images
Figure CN222648739U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building engineering, in particular to a vacuum exhaust device used for vacuum preloading soft foundation treatment. Background Art
[0002] With the need of coastal city construction and opening up to the outside world, land reclamation has become an important part of coastal engineering construction and coastal development projects. According to incomplete statistics, the land reclamation area completed by dredging in my country reaches more than 500 square kilometers each year, of which more than 90% of the land reclamation area adopts vacuum preloading method for soft foundation treatment to ensure stability.
[0003] At present, vacuum pumping equipment is an important part of vacuum preloading soft foundation treatment project. In the process of vacuum preloading soft foundation treatment, it is necessary to use vacuum pumping equipment to generate negative pressure to suck out the air and water inside the soft foundation. However, the sucked out water will carry a lot of mud and sand, which can easily cause the vacuum pumping equipment to get stuck and damaged. Secondly, when the vacuum pumping equipment is pumping, the gas is not buffered and filtered, resulting in a low vacuum degree and unable to maintain a better suction power. Therefore, it is necessary to improve it. Utility Model Content
[0004] To solve the problems raised in the above background technology, the utility model provides a vacuum pumping device for vacuum preloading soft foundation treatment, which has the characteristics of avoiding damage caused by internal jamming of the vacuum pumping device, buffering and filtering the gas, improving the vacuum degree and maintaining the suction power.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum exhaust equipment for vacuum preloading soft foundation treatment, comprising a box body, a left side plate is arranged on the box body, a vacuum filter is fixedly installed on the left side plate, a pipe joint is arranged on the vacuum filter, an input pipe is arranged on the output end of the vacuum filter, a tee is arranged on the input pipe, a buffer tank inlet pipe is installed on one end of the tee, a buffer tank, an electric control box, a vacuum pump, a gas filter and a steel wire pipe are arranged in the box body, the buffer tank is arranged horizontally, the buffer tank inlet pipe is connected with the buffer tank, an electric control box mounting seat, a vacuum pump mounting plate and a gas output pipe are arranged on the buffer tank, the electric control box is fixedly installed on the electric control box mounting seat, the vacuum pump is installed on the vacuum pump mounting plate, the electric control box is electrically connected to the vacuum pump, a suction joint pipe connected to the gas filter is arranged on the vacuum pump, the steel wire pipe is installed and connected to the gas filter, and a bent joint is installed between the steel wire pipe and the gas output pipe.
[0006] As a preferred embodiment of the present invention, movable wheels are arranged at the four bottom corners of the box.
[0007] As a preferred embodiment of the utility model, the box body is provided with a bottom frame, and the bottom of the buffer storage tank is provided with a support seat, and the support seat is fixedly mounted on the bottom frame.
[0008] As a preferred embodiment of the utility model, a vacuum pressure gauge and a digital pressure switch are provided on the left side panel, the vacuum pressure gauge and the digital pressure switch are electrically connected to the electric control box respectively, and a pressure gauge buffer tube is provided between the vacuum pressure gauge and the three-way piece.
[0009] As a preferred embodiment of the utility model, a gear knob switch, a push button switch and an indicator light are provided on the left side panel, and the gear knob switch, the push button switch and the indicator light are electrically connected to the electric control box respectively.
[0010] As a preferred embodiment of the utility model, the vacuum filter includes a filter upper shell, a filter lower shell and a filter core cylinder, the filter lower shell and the filter upper shell are threadedly connected, the filter core cylinder is installed in the filter lower shell, the filter core cylinder is made of polycarbonate, an observation port is provided on the filter upper shell, and a filter channel, an activated carbon filter mesh, a coarse filter mesh layer, a filter cotton layer and a fine filter mesh layer are provided in the filter core cylinder from bottom to top.
[0011] As a preferred embodiment of the utility model, a ball valve I is provided on the input pipe, an outlet pipe is provided at the bottom of the buffer storage tank, and a ball valve II is provided on the outlet pipe.
[0012] By adopting the above technical solution, the utility model has the following advantages compared with the prior art:
[0013] The utility model has a simple and reasonable structure. When in use, the vertical drainage channel is connected through the pipe joint on the vacuum filter, and the vacuum pump is started for suction. The vacuum filter performs filtering in the first step, which can filter the silt and prevent the silt from entering the interior of the vacuum pumping equipment, thereby avoiding jamming. Then the input pipe passes through the tee to reach the buffer tank inlet pipe and enters the buffer tank. The buffer tank is arranged horizontally to provide sufficient buffer space for the suction process and form an internal steady flow, so that the suction process can be smoother. The electric control box can effectively control the vacuum pump. The gas output pipe of the buffer tank is connected to the gas output pipe through a steel wire pipe. The gas output pipe is provided with a gas filter. The gas filter can effectively improve the vacuum degree and avoid clogging of the vacuum pump, so that the vacuum pump maintains a better suction power, thereby ensuring the vacuum pump's suction of the buffer tank. The arrangement of the steel wire pipe has excellent wear resistance, corrosion resistance and pressure resistance, can withstand relatively high airflow pressure, and ensures normal use under high pressure conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a front view schematic diagram of the internal structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the internal three-dimensional installation of the utility model;
[0018] Figure 4 This is a schematic diagram of the internal structure of the vacuum filter of the utility model;
[0019] Figure 5 It is a structural schematic diagram of the base of the utility model;
[0020] In the figure: 1, box body; 2, left side plate; 3, vacuum filter; 4, pipe joint; 5, input pipe; 6, tee; 7, buffer tank inlet pipe; 8, buffer tank; 9, electric control box; 10, vacuum pump; 11, gas filter; 12, steel wire pipe; 13, electric control box mounting base; 14, vacuum pump mounting plate; 15, gas output pipe; 16, suction joint pipe; 17, elbow joint; 18, moving wheel; 19, bottom plate frame; 20, support base; 21, Vacuum pressure gauge; 22. Digital pressure switch; 23. Pressure gauge buffer tube; 24. Shift knob switch; 25. Push button switch; 26. Indicator light; 27. Filter upper shell; 28. Filter lower shell; 29. Filter element cylinder; 30. Observation port; 31. Filter channel; 32. Activated carbon filter; 33. Coarse filter layer; 34. Filter cotton layer; 35. Fine filter layer; 36. Ball valve I; 37. Outlet pipe; 38. Ball valve II. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Example
[0023] See also Figure 1-5The utility model provides a technical solution: a vacuum pumping device for vacuum preloading soft foundation treatment, comprising a box body 1, a left side plate 2 is arranged on the box body 1, a vacuum filter 3 is fixedly installed on the left side plate 2, a pipe joint 4 is arranged on the vacuum filter 3, an input pipe 5 is arranged at the output end of the vacuum filter 3, a tee piece 6 is arranged on the input pipe 5, a buffer tank inlet pipe 7 is installed at one end of the tee piece 6, a buffer tank 8, an electric control box 9, a vacuum pump 10, a gas filter 11 and a steel wire pipe 12 are arranged in the box body 1, and the buffer tank 8 is horizontally arranged. The buffer tank inlet pipe 7 is connected with the buffer tank 8, the buffer tank 8 is provided with an electric control box mounting seat 13, a vacuum pump mounting plate 14 and a gas output pipe 15, the electric control box 9 is fixedly mounted on the electric control box mounting seat 13, the vacuum pump 10 is mounted on the vacuum pump mounting plate 14, the electric control box 9 is electrically connected to the vacuum pump 10, the vacuum pump 10 is provided with a suction joint pipe 16 connected to the gas filter 11, the steel wire pipe 12 is installed and connected to the gas filter 11, and a bent joint 17 is installed between the steel wire pipe 12 and the gas output pipe 15.
[0024] In this embodiment, the structure is simple and reasonable. When in use, the vertical drainage channel is connected through the pipe joint 4 on the vacuum filter 3, and the vacuum pump 10 is started for suction. The vacuum filter 11 performs filtering in the first step to filter the silt and prevent the silt from entering the interior of the vacuum pumping equipment, thereby avoiding jamming. Then, the input pipe 5 passes through the tee piece 6 to reach the buffer tank inlet pipe 7 and enters the buffer tank 8. The buffer tank 8 is arranged horizontally to provide sufficient buffer space for the suction process and form an internal steady flow, so that the suction process can be smoother. The control box 9 can effectively control the vacuum pump 10. The gas output pipe 15 of the buffer storage tank 8 is connected to the gas output pipe 15 through the steel wire pipe 12. The gas output pipe 15 is provided with a gas filter 11. The gas filter 11 can effectively improve the vacuum degree and avoid clogging of the vacuum pump 10, so that the vacuum pump 10 maintains a better suction power, thereby ensuring the vacuum pump 10 suctions the buffer storage tank 8. The setting of the steel wire pipe 12 has excellent wear resistance, corrosion resistance and pressure resistance, can withstand relatively high airflow pressure, and ensure normal use under high-pressure conditions.
[0025] Specifically, the vacuum pump 10 uses conventional prior art components with suitable suction force. The electric control box 9 is used for circuit control installation. The gas filter 11 uses prior art components with better precision. The elbow 17 is used for steering connection.
[0026] Furthermore, moving wheels 18 are provided at the four corners of the bottom of the box body 1 .
[0027] In this embodiment, the movable wheel 18 is provided to facilitate the movement and switching of positions, and the operation is simple and labor-saving.
[0028] Furthermore, the box body 1 is provided with a bottom frame 19 , and a support base 20 is provided at the bottom of the buffer storage tank 8 , and the support base 20 is fixedly mounted on the bottom frame 19 .
[0029] In this embodiment, the buffer storage tank 8 is installed on the base frame 19 using a support base 20, which is easy and stable to install.
[0030] Furthermore, a vacuum pressure gauge 21 and a digital pressure switch 22 are provided on the left side plate 2 . The vacuum pressure gauge 21 and the digital pressure switch 22 are electrically connected to the electric control box 9 , respectively. A pressure gauge buffer tube 23 is provided between the vacuum pressure gauge 21 and the three-way piece 6 .
[0031] In this embodiment, the vacuum pressure gauge 21 can provide real-time pressure data of the suction process of the vacuum pump 10, which is convenient for observation and use. The digital pressure switch 22 has the advantages of high efficiency, light weight, wide voltage stabilization range, high power factor, safety and reliability. The vacuum pressure gauge 21 is protected by the setting of the pressure gauge buffer tube 23.
[0032] Furthermore, a gear knob switch 24 , a push button switch 25 and an indicator light 26 are provided on the left side panel 2 , and the gear knob switch 24 , the push button switch 25 and the indicator light 26 are electrically connected to the electric control box 9 , respectively.
[0033] In this embodiment, the gear knob switch 24 facilitates gear adjustment, and the button switch 25 facilitates operation of the switch state. The button switch 25 is located in the next row of the indicator light 26, and the indicator light 26 can indicate the status prompt.
[0034] Furthermore, the vacuum filter 3 includes an upper filter shell 27, a lower filter shell 28 and a filter core cylinder 29. The lower filter shell 28 and the upper filter shell 27 are threadedly connected. The filter core cylinder 29 is installed in the lower filter shell 27. The filter core cylinder 29 is made of polycarbonate. An observation port 30 is provided on the upper filter shell 27. A filter channel 31, an activated carbon filter screen 32, a coarse filter screen layer 33, a filter cotton layer 34 and a fine filter screen layer 35 are provided in the filter core cylinder 29 from bottom to top.
[0035] In this embodiment, the filter lower shell 28 and the filter upper shell 27 are threadedly connected, and the structure is a detachable structure, which is convenient for repair and maintenance. The filter core cylinder 29 is made of polycarbonate, which is transparent, and the internal situation of the filter core cylinder 29 can be observed through the observation port 30. The activated carbon filter 32, the coarse filter layer 33, the filter cotton layer 34 and the fine filter layer 35 can achieve a multi-layer filtering function, and the filter aperture gradually becomes smaller, the filtering performance is better, and the vacuum pumping equipment can be well prevented from getting stuck and damaged.
[0036] Furthermore, a ball valve I36 is provided on the input pipe 5 , an outlet pipe 37 is provided at the bottom of the buffer storage tank 8 , and a ball valve II38 is provided on the outlet pipe 37 .
[0037] In this embodiment, the ball valve 36 on the input pipe 5 can effectively control the flow rate and can be quickly opened or closed. The ball valve II38 is provided on the outlet pipe 37, which can well control the discharge and use of the buffer storage tank.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A vacuum exhaust device for vacuum preloading soft foundation treatment, comprising a box (1), characterized in that: The box body (1) is provided with a left side plate (2), a vacuum filter (3) is fixedly mounted on the left side plate (2), a pipe joint (4) is provided on the vacuum filter (3), an input pipe (5) is provided at the output end of the vacuum filter (3), a tee (6) is provided on the input pipe (5), a buffer tank inlet pipe (7) is installed at one end of the tee (6), a buffer tank (8), an electric control box (9), a vacuum pump (10), a gas filter (11) and a steel wire pipe (12) are provided in the box body (1), the buffer tank (8) is arranged in a transverse direction, and the buffer tank inlet pipe (7) and the buffer tank (8) are connected to each other. ), the buffer storage tank (8) is provided with an electric control box mounting seat (13), a vacuum pump mounting plate (14) and a gas output pipe (15), the electric control box (9) is fixedly mounted on the electric control box mounting seat (13), the vacuum pump (10) is mounted on the vacuum pump mounting plate (14), the electric control box (9) and the vacuum pump (10) are electrically connected, the vacuum pump (10) is provided with a suction joint pipe (16) connected to the gas filter (11), the steel wire pipe (12) is installed and connected to the gas filter (11), and a bent joint (17) is installed between the steel wire pipe (12) and the gas output pipe (15).
2. The vacuum exhaust equipment for vacuum preloading soft foundation treatment according to claim 1, characterized in that: Moving wheels (18) are arranged at the four corners of the bottom of the box body (1).
3. The vacuum exhaust equipment for vacuum preloading soft foundation treatment according to claim 1, characterized in that: The box body (1) is provided with a bottom frame (19), and the bottom of the buffer storage tank (8) is provided with a support seat (20), and the support seat (20) is fixedly mounted on the bottom frame (19).
4. The vacuum exhaust equipment for vacuum preloading soft foundation treatment according to claim 1, characterized in that: A vacuum pressure gauge (21) and a digital pressure switch (22) are provided on the left side plate (2); the vacuum pressure gauge (21) and the digital pressure switch (22) are electrically connected to the electric control box (9) respectively; and a pressure gauge buffer tube (23) is provided between the vacuum pressure gauge (21) and the three-way piece (6).
5. The vacuum exhaust equipment for vacuum preloading soft foundation treatment according to claim 1, characterized in that: The left side panel (2) is provided with a gear knob switch (24), a push button switch (25) and an indicator light (26), and the gear knob switch (24), the push button switch (25) and the indicator light (26) are electrically connected to the electric control box (9) respectively.
6. The vacuum exhaust equipment for vacuum preloading soft foundation treatment according to claim 1, characterized in that: The vacuum filter (3) comprises an upper filter housing (27), a lower filter housing (28) and a filter core cylinder (29); the lower filter housing (28) and the upper filter housing (27) are threadedly connected; the filter core cylinder (29) is installed in the lower filter housing (28); the filter core cylinder (29) is made of polycarbonate; an observation port (30) is provided on the upper filter housing (27); and a filter channel (31), an activated carbon filter screen (32), a coarse filter screen layer (33), a filter cotton layer (34) and a fine filter screen layer (35) are provided in the filter core cylinder (29) from bottom to top.
7. The vacuum exhaust equipment for vacuum preloading soft foundation treatment according to claim 1, characterized in that: The input pipe (5) is provided with a ball valve I (36), the bottom of the buffer storage tank (8) is provided with an outlet pipe (37), and the outlet pipe (37) is provided with a ball valve II (38).