CN115253398A - Negative pressure type sand suction machine - Google Patents
Negative pressure type sand suction machine Download PDFInfo
- Publication number
- CN115253398A CN115253398A CN202210858852.9A CN202210858852A CN115253398A CN 115253398 A CN115253398 A CN 115253398A CN 202210858852 A CN202210858852 A CN 202210858852A CN 115253398 A CN115253398 A CN 115253398A
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- Prior art keywords
- negative pressure
- sand
- pipe
- pressure tank
- sand suction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000004576 sand Substances 0.000 title claims abstract description 115
- 239000010865 sewage Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004062 sedimentation Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a negative pressure type sand sucker, which comprises: the device comprises a movable rack, wherein at least one negative pressure tank is arranged below the rack; the side wall of the lower part of each negative pressure tank is symmetrically provided with two main sand suction pipes, the two main sand suction pipes are communicated with the negative pressure tank, the two main sand suction pipes are obliquely arranged towards one side of the negative pressure tank, the side walls of the two main sand suction pipes are communicated with a plurality of secondary sand suction pipes, the end part of each secondary sand suction pipe is provided with a suction nozzle, each secondary sand suction pipe is connected with the main sand suction pipe through a first elbow, the first elbow is vertically provided with a back flushing pipe, all the back flushing pipes are communicated with the same water inlet pipe, and the water inlet pipe is arranged on the rack; a row of sand pipes are arranged on the side wall of the lower part of each negative pressure tank; and a submersible sewage pump is arranged in the negative pressure tank and is arranged between the sand inlets of the two main sand suction pipes. The invention discharges the silt through the negative pressure generated by the submersible sewage pump and the negative pressure tank, and has good sand suction effect.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to a negative pressure type sand sucker.
Background
The sand suction machine is mainly used for sedimentation tanks of sewage treatment plants and water works, a certain amount of silt is accumulated in the sedimentation tanks along with the lapse of time, and the silt is discharged through equipment such as the sand suction machine.
Most of the sand suction machines in the prior art adopt the working principle that a submersible sewage pump is used for directly sucking silt, and when the number of suction nozzles is large, the suction force of each suction nozzle is uneven.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to solve the technical problem that a negative pressure type sand sucker is provided aiming at the defects in the prior art, mud and sand are discharged by generating negative pressure through a negative pressure tank, and the sand sucker has a good sand sucking effect.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a negative pressure sand sucker comprising:
the device comprises a movable rack, wherein at least one negative pressure tank is arranged below the rack;
the side wall of the lower part of each negative pressure tank is symmetrically provided with two main sand suction pipes, the two main sand suction pipes are communicated with the negative pressure tank, the two main sand suction pipes are obliquely arranged towards one side of the negative pressure tank, the side walls of the two main sand suction pipes are communicated with a plurality of secondary sand suction pipes, and the end part of each secondary sand suction pipe is provided with a suction nozzle;
each secondary sand suction pipe is connected with the main sand suction pipe through a first elbow, a back flushing pipe is vertically arranged on the first elbow, the back flushing pipes are provided with independent ball valves and movable joints, all the back flushing pipes are communicated with the same water inlet pipe, and the water inlet pipe is arranged on the rack;
a row of sand pipes are arranged on the side wall of the lower part of each negative pressure tank;
and a submersible sewage pump is arranged in the negative pressure tank and is arranged between the sand inlets of the two main sand suction pipes.
Preferably, the sand discharge pipe comprises a vertical pipe and a horizontal pipe arranged at the top of the vertical pipe, and the vertical pipe, the horizontal pipe and the negative pressure tank are connected through a second elbow;
the horizontal pipe is arranged on the frame.
Preferably, a pull rod which plays a role in guiding when the submersible sewage pump is installed is arranged in the negative pressure tank.
Preferably, the submersible sewage pump is connected with the sand discharge pipe through a coupler, and the coupler comprises a male head and a female head;
the male head and the sand discharge pipe are welded into a whole, and the top of the male head is connected with the pull rod through a bolt;
the female head is connected with the submersible sewage pump through a bolt, a sealing ring is arranged inside the female head, and the sealing ring can be compressed when the male head is coupled with the female head.
Preferably, the rack comprises a bridge frame of a channel steel structure and walking end beams arranged at two ends of the bridge frame, a pair of walking wheels are arranged on the walking end beams, and a driving device for driving the walking wheels to rotate is arranged on one side of each walking wheel.
Preferably, the walking wheel is mounted on the walking end beam by a pair of pedestal bearings.
Preferably, the included angle between the axis of the main sand suction pipe and the horizontal line is 2-4 degrees.
Preferably, a manual ball valve and a movable joint are arranged between the backflushing pipe and the water inlet pipe.
Preferably, the diameter of the backflushing pipe is smaller than that of the secondary sand suction pipe, and the diameter of the primary sand suction pipe is larger than that of the secondary sand suction pipe.
Preferably, the main sand suction pipe is connected with the negative pressure tank through a flange.
Compared with the prior art, the negative pressure type sand sucker provided by the invention has the following beneficial effects:
this application adopts the negative pressure jar to produce the negative pressure after, and atmospheric pressure and stealthily dirty pump's effect down, passes through the suction nozzle with silt in the sedimentation tank and the inferior sand suction pipe after, gets into in the main sand suction pipe, and the main sand suction pipe in silt through the suction that the negative pressure produced and the gravity landing of self to the negative pressure jar, stealthily dirty pump in the negative pressure jar is discharged silt through the sand discharge pipe, and sand suction effect is better.
Drawings
In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a front view of a preferred embodiment of a negative pressure sander of the present invention.
FIG. 2 is a top view of a preferred embodiment of the negative pressure sander of the present invention.
FIG. 3 isbase:Sub>A view from the A-A direction ofbase:Sub>A preferred embodiment of the negative pressure sand sucker of the present invention.
FIG. 4 is a view of the preferred embodiment of the negative pressure sander taken in the direction B-B of the present invention.
Fig. 5 is an enlarged view of C of fig. 1.
Fig. 6 is an enlarged view D of fig. 1.
FIG. 7 is a front view of the secondary sand suction pipe and the backwash pipe in the preferred embodiment of the negative pressure sand sucker.
FIG. 8 is a left side view of the secondary and backwash pipes of the preferred embodiment of the negative pressure sand sucker.
FIG. 9 is a cross-sectional view of the negative pressure canister in a preferred embodiment of the negative pressure sander of the present invention.
Fig. 10 is an enlarged view E of fig. 4.
FIG. 11 is a front view of the male portion of the coupler of the preferred embodiment of the negative pressure sander of the present invention.
FIG. 12 is a side view of the male portion of the coupler of a preferred embodiment of the negative pressure sander of the present invention.
FIG. 13 is a front elevational view of the female head of the coupler of the preferred embodiment of the negative pressure sander of the present invention.
FIG. 14 is a rotated cross-sectional view of the female head of the coupler in a preferred embodiment of the negative pressure sander of the present invention.
FIG. 15 is a top view of the female head of the coupler of the preferred embodiment of the negative pressure sander of the present invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the foregoing drawings are used for distinguishing between different objects and not for describing a particular sequential order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
An embodiment of the present invention provides a negative pressure type sand sucker, as shown in fig. 1 to 15, including: the device comprises a movable rack 100, wherein two negative pressure tanks 200 are arranged below the rack 100; the side wall of the lower part of each negative pressure tank 200 is symmetrically provided with two main sand suction pipes 300, the two main sand suction pipes 300 are communicated with the negative pressure tank 200, the two main sand suction pipes 300 are obliquely arranged towards one side of the negative pressure tank 200, the side walls of the two main sand suction pipes 300 are communicated with a plurality of secondary sand suction pipes 400, and the end part of each secondary sand suction pipe 400 is provided with a suction nozzle 500; each secondary sand suction pipe 400 is connected with the main sand suction pipe 300 through a first elbow 401, a back flushing pipe 600 is vertically arranged on the first elbow 401, the back flushing pipes 600 are provided with independent ball valves and movable joints, all the back flushing pipes 600 are communicated with the same water inlet pipe 700, and the water inlet pipe 700 is arranged on the rack 100; the side wall of the lower part of each negative pressure tank 200 is provided with a row of sand pipes 800; be provided with stealthily dirty pump 900 in the negative pressure jar 200, stealthily dirty pump 900 sets up between the sand inlet of two inside main sand suction pipes 300 of negative pressure jar, and stealthily dirty pump 900 passes through coupler 10 with sand discharge pipe 800 and is connected, and the axis of recoil pipe 600 coincides with the axis of time sand suction pipe 400, just so can guarantee in the recoil pipe 600 that high-speed recoil rivers can dredge the suction nozzle 500 through inhaling sand pipe 400 once.
The working process of the negative pressure type sand sucker is as follows: when the submersible sewage pump 900 works, firstly, water in the negative pressure tank 200 is pumped, silt in the sedimentation tank enters the main sand suction pipe 300 after passing through the suction nozzle 500 and the secondary sand suction pipe 400 under the action of atmospheric pressure and the submersible sewage pump 900 after negative pressure is generated in the negative pressure tank 200, the silt in the main sand suction pipe 300 slides into the negative pressure tank 200 through suction force generated by the negative pressure and self gravity, and the submersible sewage pump in the negative pressure tank 200 discharges the silt through the sand discharge pipe 800.
As shown in fig. 10 to 15, the coupler 10 is divided into a male part 1000 and a female part 2000; the male head 1000 and the sand discharge pipe 800 are welded into a whole, and the upper part of the male head is connected with a pull rod 901 through a bolt; female head 2000 is connected with submersible sewage pump 900 through the bolt, carries out guiding orientation through pull rod 901 when submersible sewage pump 900 installs, finally couples with coupler male head 1000. The inside sealing washer 3000 that is provided with of coupler female 2000, the male 1000 can compress tightly sealing washer 3000 with female 2000 when coupling.
In specific implementation, the sand discharge pipe 800 comprises a vertical pipe 801 and a horizontal pipe 802 arranged at the top of the vertical pipe 801, and the vertical pipe 801, the horizontal pipe 802 and the negative pressure tank 200 are connected through a second elbow 803; the horizontal pipe 802 is disposed on the rack 100.
In specific implementation, a pull rod 901 which plays a role in guiding when the submersible sewage pump 900 is installed is arranged in the negative pressure tank 200.
In specific implementation, the rack 100 includes a bridge 101 of a channel steel structure, and walking end beams 102 disposed at two ends of the bridge 101, a pair of walking wheels 103 is disposed on the walking end beams 102, a driving device 104 for driving the walking wheels 103 to rotate is disposed on one side of the walking wheels 103, and the walking wheels 103 are mounted on the walking end beams 102 through a pair of bearings with bearings 105, as shown in fig. 5. The driving device 104 comprises a speed reducer, and a steel grating is laid on the bridge frame 101, so that people can walk, and the maintenance of maintainers is facilitated. Guardrails are installed on two sides of a bridge frame 101 of the channel steel structure.
In specific implementation, the angle between the axis of the main sand suction pipe 300 (from the negative pressure tank) and the horizontal line is 2 ° to 4 °, and preferably 3 °.
In specific implementation, as shown in fig. 6, a manual ball valve 601 is arranged between the backflushing pipe 600 and the water inlet pipe 700, the ball valve 601 is normally closed, and when the secondary sand suction pipe 400 needs to be flushed through the backflushing pipe 600, the manual ball valve 601 is opened.
In specific implementation, the diameter of the backflushing pipe 600 is smaller than that of the secondary sand suction pipe 400, and the diameter of the primary sand suction pipe 300 is larger than that of the secondary sand suction pipe 400.
In specific implementation, the main sand suction pipe 300 is connected with the negative pressure tank 200 through a flange 301, and the top and the bottom of the negative pressure tank 200 are both provided with blind plates.
In specific implementation, as shown in fig. 9, the main sand suction pipe 300 is arranged on the side wall deviating from the horizontal center line of the negative pressure tank 200.
In conclusion, the invention discloses a negative pressure type sand sucker.A water submersible sewage pump firstly pumps water in a negative pressure tank when working, the negative pressure tank generates negative pressure, silt at the bottom of a sedimentation tank enters the negative pressure tank through a suction nozzle, a secondary sand suction pipe and a main sand suction pipe, and the submersible sewage pump discharges the silt sucked by the negative pressure tank out of the sedimentation tank through a sand discharge pipe.
It should be understood that the above-described embodiments are merely exemplary of some, and not all, embodiments of the present application, and that the drawings illustrate preferred embodiments of the present application without limiting the scope of the claims appended hereto. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A negative pressure type sand sucker is characterized by comprising:
the device comprises a movable rack, wherein at least one negative pressure tank is arranged below the rack;
the side wall of the lower part of each negative pressure tank is symmetrically provided with two main sand suction pipes, the two main sand suction pipes are communicated with the negative pressure tank, the two main sand suction pipes are obliquely arranged towards one side of the negative pressure tank, the side walls of the two main sand suction pipes are communicated with a plurality of secondary sand suction pipes, and the end part of each secondary sand suction pipe is provided with a suction nozzle;
each secondary sand suction pipe is connected with the main sand suction pipe through a first elbow, a back flushing pipe is vertically arranged on the first elbow, all the back flushing pipes are communicated with the same water inlet pipe, and the water inlet pipe is arranged on the rack;
a row of sand pipes are arranged on the side wall of the lower part of each negative pressure tank;
and a submersible sewage pump is arranged in the negative pressure tank and is arranged between the sand inlets of the two main sand suction pipes.
2. The negative pressure type sand sucker according to claim 1, wherein the sand discharge pipe comprises a vertical pipe and a horizontal pipe arranged at the top of the vertical pipe, and the vertical pipe, the horizontal pipe and the negative pressure tank are connected through a second elbow;
the horizontal pipe is arranged on the frame.
3. The negative pressure type sand sucker according to claim 1, wherein a pull rod for guiding when installing a submersible sewage pump is arranged in the negative pressure tank.
4. The negative pressure type sand sucker according to claim 3, wherein the submersible sewage pump is connected with the sand discharge pipe through a coupler, and the coupler comprises a male head and a female head;
the male head and the sand discharge pipe are welded into a whole, and the top of the male head is connected with the pull rod through a bolt;
the female head is connected with the submersible sewage pump through a bolt, a sealing ring is arranged inside the female head, and the sealing ring can be compressed when the male head is coupled with the female head.
5. The negative pressure type sand sucker according to claim 1, wherein the frame comprises a bridge frame of a channel steel structure, and walking end beams arranged at two ends of the bridge frame, a pair of walking wheels are arranged on the walking end beams, and a driving device for driving the walking wheels to rotate is arranged on one side of each walking wheel.
6. A negative pressure sand sucker as recited in claim 5 wherein the road wheel is mounted on a road end beam by a pair of pedestal bearings.
7. The negative pressure type sand sucker according to claim 1, wherein the angle between the axis of the main sand sucker and the horizontal line is 2 ° to 4 °.
8. The negative pressure type sand sucker according to claim 1, wherein a manual ball valve and a movable joint are arranged between the recoil pipe and the water inlet pipe.
9. The negative pressure type sand sucker according to claim 1, wherein the diameter of the back flushing pipe is smaller than that of the secondary sand sucker, and the diameter of the primary sand sucker is larger than that of the secondary sand sucker.
10. The negative pressure type sand sucker according to claim 1, wherein the main sand sucker is connected with the negative pressure tank through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210858852.9A CN115253398A (en) | 2022-07-21 | 2022-07-21 | Negative pressure type sand suction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210858852.9A CN115253398A (en) | 2022-07-21 | 2022-07-21 | Negative pressure type sand suction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115253398A true CN115253398A (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210858852.9A Pending CN115253398A (en) | 2022-07-21 | 2022-07-21 | Negative pressure type sand suction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115253398A (en) |
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| CN215232313U (en) * | 2021-05-10 | 2021-12-21 | 成都艾尔科环保科技有限公司 | Bridge type sand suction equipment |
| CN215409257U (en) * | 2021-03-03 | 2022-01-04 | 大连大开污水处理有限公司 | Sand pump back flush system is inhaled to dive |
| CN217909114U (en) * | 2022-07-21 | 2022-11-29 | 深圳市水务(集团)有限公司阀门检测及维修分公司 | Negative pressure type sand sucker |
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| JPS62204809A (en) * | 1986-03-06 | 1987-09-09 | Kubota Ltd | Back washing device for jet pump and back washing method thereof |
| CN2632075Y (en) * | 2003-07-04 | 2004-08-11 | 清华紫光环保有限公司 | Multiple point mud sucker for batch style activated mud reaction pool |
| JP3152438U (en) * | 2009-05-21 | 2009-07-30 | 長濱産業株式会社 | Dredge equipment |
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| CN206473876U (en) * | 2016-12-31 | 2017-09-08 | 广东新环环保产业集团有限公司 | A kind of flat pond suction dredge air lift structure |
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| CN110152361A (en) * | 2019-05-28 | 2019-08-23 | 南京淏源环保设备有限公司 | Efficiently, high stability water feed settling basin pumps siphon suction dredge |
| CN212296898U (en) * | 2020-07-20 | 2021-01-05 | 无锡三和重工机械有限公司 | Intelligence silt suction nozzle reducing mechanism |
| JP6850052B1 (en) * | 2020-09-01 | 2021-03-31 | アザイ技術コンサルタント株式会社 | Dredging device |
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| CN112742075A (en) * | 2021-01-07 | 2021-05-04 | 杭州国泰环保科技股份有限公司 | Peripheral transmission mud scraping and sucking machine |
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| CN215232313U (en) * | 2021-05-10 | 2021-12-21 | 成都艾尔科环保科技有限公司 | Bridge type sand suction equipment |
| CN113321376A (en) * | 2021-05-28 | 2021-08-31 | 森泉环境科技集团有限公司 | Sewage promotes and processing system |
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| CB02 | Change of applicant information |
Country or region after: China Address after: 518000 No. 1038 Qiaoxiang Road, Xiangmihu street, Futian District, Shenzhen, Guangdong Applicant after: Equipment Branch of Shenzhen Water (Group) Co.,Ltd. Address before: 518000 No. 1038 Qiaoxiang Road, Xiangmihu street, Futian District, Shenzhen, Guangdong Applicant before: VALVE INSPECTION AND REPAIR BRANCH, SHENZHEN WATER (Group) Co.,Ltd. Country or region before: China |
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