CN209873749U - Open channel water diversion pivot for water conservancy irrigation engineering - Google Patents

Abstract

The utility model discloses a irrigation engineering open channel diversion pivot, include the water inlet that is linked together in proper order respectively according to the interior irrigation water flow direction of open channel, a dyke culvert of wearing for going into next link from the irrigation water drainage that the water inlet let in, a desilting pond for detaching impurity in the inflow irrigation water and be used for detaching the silt basin of the interior fine sand of inflow irrigation water, water inlet department is provided with the import inlet sluice that is used for controlling the interior irrigation water inflow flow of open channel and does the maintenance gate simultaneously concurrently, be provided with in the desilting pond and be used for the interception and clear away the clean mechanism of the interior irrigation water debris of desilting pond, be provided with in the desilting pond and be used for the sediment discharge mechanism with the interior sedimentary sand discharge of silt basin. The utility model discloses make the irrigation water that lets in from the open channel can be filtered by the mechanism of decontaminating in the pond of decontaminating, then carry out the desilting operation by the desilting pond for the irrigation water sand content that lets in the low reaches field is little, and rivers are limpid, can not cause the jam to conduit 7, thereby has guaranteed the water delivery irrigation demand of back takeover pipeline.

Description

Open channel water diversion pivot for water conservancy irrigation engineering

Technical Field

The utility model relates to a hydraulic engineering technical field, especially a water conservancy irrigation engineering open channel diversion pivot.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production.

The reservoir is a comprehensive utilization type water conservancy project which takes agricultural irrigation as a main part and gives consideration to downstream flood control and domestic water supply of villages and towns. At present, most of irrigation water taking hub projects taking surface water of an open channel as a water source place are open type water diversion gates for water inlet and then connected with the open channel for water delivery, the water diversion hubs mainly conduct water laterally by the open type water diversion gates, the functions of no sewage and sand blocking or weak sewage and sand blocking are realized, and for the water delivery condition of a rear connecting pipeline, the requirement on sand content in water is high, the blockage of the rear connecting pipeline is easily caused, so that the arrangement scheme is difficult to meet the requirement on pipeline water delivery.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides a water conservancy irrigation engineering open channel diversion pivot to solve current irrigation water intaking pivot engineering and do not block dirty sediment function or block dirty sediment function more weakly and cause the problem that back takeover was said and is taken place the jam easily, with debris and the sand of detaching irrigation water, with satisfy the requirement of pipeline water delivery to aquatic sand content, with the water delivery demand of guaranteeing back takeover way.

In order to solve the technical problem, the utility model adopts the following technical proposal.

Irrigation engineering open channel diversion hub, include the water inlet that is linked together in proper order respectively according to the irrigation water flow direction in the open channel, a dyke culvert that is used for going into the irrigation water drainage that lets in from the water inlet next link, a desilting pond that is used for detaching impurity in the inflow irrigation water and is used for detaching the silt basin that flows into fine sand in the irrigation water, water inlet department is provided with the import inlet sluice that is used for controlling irrigation water entering flow in the open channel and simultaneously does the maintenance gate, be provided with the mechanism of decontaminating that is used for the interception and clears away irrigation water debris in the desilting pond, be provided with in the desilting pond and be used for the sediment mechanism of arranging that is used for the sediment in the silt basin is discharged.

Further optimize technical scheme, the water inlet includes and is linked together and the splayed water inlet that the outer wall height increases in proper order with the open channel, and the diversion floodgate of import sets up the delivery port end at the splayed water inlet.

According to the technical scheme, a trash rack for preventing solid wastes with large particle sizes in the open channel from entering is arranged between the water outlet end of the splayed water inlet and the inlet water guide gate.

According to the technical scheme, the sewage disposal pool comprises a sewage disposal pool top plate used as a pedestrian passage and a segmented inclined bottom plate arranged at the bottom of the sewage disposal pool top plate, and a plurality of top holes used for installing a sewage disposal mechanism are formed in the sewage disposal pool top plate; the segmented inclined bottom plate comprises a first inclined bottom plate connected with the bottom end of the through culvert, a first horizontal plate connected with the first inclined bottom plate, a second inclined bottom plate connected with the first horizontal plate and a second horizontal plate connected with the second inclined bottom plate.

Further optimize technical scheme, the mechanism of decontaminating is including passing the grid formula trash cleaning machine of top hole setting between the pond roof of decontaminating and segmentation inclined floor, and grid formula trash cleaning machine is including setting up the thick grid formula trash cleaning machine between first horizontal plate and the pond roof of decontaminating and setting up two thin grid formula trash cleaning machines between second horizontal plate and the pond roof of decontaminating respectively.

According to the technical scheme, a plurality of stainless steel railings which are respectively arranged around the top holes and used for preventing personnel from accidentally falling are arranged on the top plate of the sewage disposal pool; a first ladder convenient for operators to enter is arranged in the top hole; a manhole is arranged on the top plate of the sewage disposal pool behind the fine grid type sewage disposal machine, and a first water collecting well is arranged on the second horizontal plate behind the fine grid type sewage disposal machine.

Further optimize technical scheme, the grit chamber includes that the setting of two case advection side by side just is linked together through connecting tube and the pond delivery port of decontaminating first grit chamber pond case and second grit chamber pond case respectively, and first grit chamber pond case and second grit chamber pond case are enclosed by the grit chamber lateral wall, the grit chamber roof and the grit chamber bottom plate that are less than present situation ground and are established and form, are provided with the hard shoulder between first grit chamber pond case and the second grit chamber pond case, and first grit chamber pond case and second grit chamber pond case divide into the grit chamber section of intaking, the grit chamber section at middle part and the grit chamber play water section of low reaches of upper reaches according to the water flow direction.

Further optimize technical scheme, arrange husky mechanism and include that sunken setting is in the sand pumping well at the sand sediment section middle part of sand basin and set up and be used for taking out the sand grain and the solid impurity mixture of sand sediment in the sand pumping well and carry out the pump sending and can wash the stealthily dirty pump of taking out the sand well of back flush valve in taking out the sand well, take back flush valve stealthily dirty pump intercommunication to be provided with and pass the sediment removal pipeline that the lateral wall of sand basin is used for discharging sand grain and solid impurity mixture and the desilting robot that is linked together with sediment removal pipeline.

According to the technical scheme, the water inlet section of the sand basin is provided with an exhaust pipe, and the water outlet section of the sand basin is provided with a water conveying pipeline for conveying water treated by the sewage disposal mechanism and the sand discharge mechanism.

Further optimize technical scheme, be located the desilting pond desilting section department of first desilting pond case and second desilting pond case on the desilting pond roof seted up two hoisted holes, be provided with the second cat ladder that the operation personnel of being convenient for got into in the hoisted hole.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses a communicate in proper order with the open channel and set up the water inlet, cross the dyke culvert, the pond of decontaminating, the desilting pond, and set up import water diversion floodgate in water inlet department, set up the mechanism of decontaminating in the pond of decontaminating, set up the mode of arranging husky mechanism in the desilting pond, make the irrigation water that lets in from the open channel can be filtered by the mechanism of decontaminating in the pond of decontaminating, then carry out the desilting operation by the desilting pond, make the irrigation water that lets in the low reaches field contain sand volume little, rivers are limpid, can not cause the jam to conduit, thereby the water delivery irrigation demand of back takeover pipeline has been guaranteed.

The utility model discloses the water inlet adopts the sluice culvert type water intaking, sets up the import diversion floodgate at splayed form water inlet delivery port end promptly, sets up the dyke culvert of crossing in import diversion floodgate rear end, has solved effectively and has broken the problem of dyke top traffic from the open channel dyke side direction water intaking.

The utility model discloses set up the pond section of decontaminating behind the dyke culvert, through twice grid formula trash cleaning machine, with the interception of large granule filth in this section and clearance to increase the clearance cycle and the life in desilting pond.

The utility model discloses the segmentation inclined floor design in pond of decontaminating is the tilting, can satisfy the requirement of grid formula trash cleaning machine water area, has prevented simultaneously effectively that silt from silting up in the pond of decontaminating.

The utility model discloses the design of desilting basin is for adopting double-box advection structure, and middle part design hole for hoist and mount and the cat ladder of advancing people wash and adopt the submerged dirty pump of taking the back flush valve, take out husky assistance with the desilting robot through the drainage of the pipeline that arranges sand, has solved husky and desilting problem. Meanwhile, the desilting basin is designed to be buried, so that the occupied area is reduced, and the engineering cost is saved.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a front view of the present invention.

Wherein: 1. an open channel; 2. a water inlet 21, a splayed water inlet 22 and an inlet water guide gate; 3. punching the culvert; 4. the device comprises a sewage disposal pool 41, a sewage disposal pool top plate 42, a grid type sewage disposal machine 421, a thick grid type sewage disposal machine 422, a thin grid type sewage disposal machine 43, a segmented inclined bottom plate 431, a first inclined bottom plate 432, a first horizontal plate 433, a second inclined bottom plate 434, a second horizontal plate 44, a first ladder stand 45, a manhole 46 and a first water collecting well; 5. the system comprises a desilting pool, 51, a desilting pool water inlet section, 52, a desilting pool desilting section, 53, a desilting pool water outlet section, 54, a first desilting pool tank, 55, a second desilting pool tank, 56, a second ladder stand, 57, a sand pumping well, 58, a submersible sewage pump with a backwash valve, 59 and a sand discharge pipeline; 6. connecting pipeline, 7, water pipeline.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

An open channel water diversion junction for water conservancy irrigation engineering is shown in a combined drawing 1-2 and comprises a water inlet 2, a through-dike culvert 3, a sewage disposal pond 4, a sand settling pond 5, a sewage disposal mechanism and a sand discharge mechanism. The water inlet 2, the through-dike culvert 3, the sewage disposal tank 4 and the sand sedimentation tank 5 are respectively communicated in sequence according to the flow direction of the irrigation water in the open channel 1.

The diversion hub is divided into water by an open channel, an inlet adopts open cut arrangement water inlet 2, an inlet diversion gate 22 is arranged at the water inlet 2, the inlet diversion gate 22 is used for controlling the entering flow of irrigation water in the open channel 1 and is also used as an overhaul gate. The water inlet 2 comprises a splayed water inlet 21, the splayed water inlet 21 is communicated with the open channel 1 and is used for leading water sources, the heights of the outer walls of the splayed water inlet 21 are sequentially increased, and the inlet water guide gate 22 is arranged at the water outlet end of the splayed water inlet 21.

In order to prevent solid waste with larger particle size from entering the open channel 1, a trash screen is arranged between the water outlet end of the splayed water inlet 21 and the inlet water guide gate 22.

The crossing-dike culvert 3 is arranged below the dike and is positioned behind the inlet water diversion gate 22, and the crossing-dike culvert 3 is used for guiding the irrigation water introduced from the water inlet 2 into the next link. The utility model discloses the import diversion floodgate 22 that sets up before the dyke-crossing culvert 3 is as the floodgate before the culvert, can do the maintenance gate of culvert and decontamination equipment behind the floodgate concurrently in flow control.

The decontamination pond 4 is arranged behind the through-bank culvert 3 and is used for removing impurities in inflow irrigation water, and the decontamination pond 4 comprises a decontamination pond top plate 41, a segmented inclined bottom plate 43 and a top hole. The top plate 41 of the decontamination basin overhangs outwards and is used as a pedestrian passageway. The subsection inclined bottom plate 43 is arranged at the bottom of the top plate 41 of the sewage disposal pool, and a plurality of top holes are formed in the top plate 41 of the sewage disposal pool and used for installing a sewage disposal mechanism.

The sectional inclined bottom plate 43 is inclined from the upstream side in sections so as to meet the requirement of the sewage disposal mechanism on the water passing area and prevent silt from silting up in the sewage disposal tank. The sectional inclined floor 43 includes a first inclined floor 431, a first horizontal plate 432, a second inclined floor 433, and a second horizontal plate 434, the first inclined floor 431 is engaged with the bottom end of the embankment culvert 3, the first horizontal plate 432 is engaged with the first inclined floor 431, the second inclined floor 433 is engaged with the first horizontal plate 432, and the second horizontal plate 434 is engaged with the second inclined floor 433.

The trash cleaning mechanism is arranged in the trash cleaning pool 4 and used for intercepting and cleaning sundries in the irrigation water in the trash cleaning pool 4. The dirt cleaning mechanism comprises a grid type dirt cleaning machine 42, and the grid type dirt cleaning machine 42 penetrates through a top hole and is arranged between a top plate 41 and a segmented inclined bottom plate 43 of the dirt cleaning pool. The grid type dirt separator 42 includes a coarse grid type dirt separator 421 and two fine grid type dirt separators 422. The grid type sewage disposal 42 is provided between the first horizontal plate 432 and the top plate 41 of the sewage disposal tank on the upstream side of the sewage disposal tank 4. The two fine grid type dirt cleaners 422 are respectively disposed between the second horizontal plate 434 and the top plate 41 of the dirt-removing pond at the downstream side of the dirt-removing pond 4.

Be provided with a plurality of stainless steel railings on the pond roof 41 of decontaminating, stainless steel railing encloses respectively and establishes around each top hole for prevent that personnel's accident from falling.

A first ladder stand 44 is arranged in the top hole, and the first ladder stand 44 is convenient for operators to enter. A manhole 45 is arranged on the top plate 41 of the sewage disposal pool behind the fine grid type sewage disposal machine 422, and a first water collecting well 46 is arranged on the second horizontal plate 434 behind the fine grid type sewage disposal machine 422.

The sand basin 5 adopts reinforced concrete to form a double-box advection structure for removing fine sand in inflow irrigation water, the sand basin 5 comprises a first sand basin box 54 and a second sand basin box 55, the first sand basin box 54 and the second sand basin box 55 are arranged in a side-by-side double-box advection way and are respectively communicated with a water outlet of the decontamination pool 4 through a connecting pipeline 6.

The first sand basin box 54 and the second sand basin box 55 are surrounded by the side walls of the sand basin, the top plate of the sand basin and the bottom plate of the sand basin. The top plate of the sand basin is lower than the ground of the current situation, so that the sand basin is buried under the ground of the current situation, and the permanent occupied area of the construction can be reduced. The top plate of the desilting pool is of a cast-in-place reinforced concrete structure. The side wall of the desilting basin is of a cast-in-place reinforced concrete wall structure.

A partition pier is arranged between the first sand basin tank 54 and the second sand basin tank 55, and plays a certain role in drainage.

The first grit chamber tank 54 and the second grit chamber tank 55 are divided into an upstream grit chamber water inlet section 51, a middle grit chamber grit section 52, and a downstream grit chamber water outlet section 53 in the water flow direction.

The sand discharging mechanism is arranged in the sand basin 5 and used for discharging sand deposited in the sand basin 5, and comprises a sand pumping well 57, a sand discharging pipeline 59 with a backwash valve submersible sewage pump 58 and a dredging robot. The sand pumping well 57 is arranged at the middle part of the sand settling section 52 of the sand settling tank in a concave manner, and the sand pumping well 57 is arranged in the first sand settling tank box 54 and the second sand settling tank box 55. A submersible sewage pump 58 with a back flush valve is arranged in the sand pumping well 57 and is used for pumping the sand particles and solid impurity mixture which are deposited in the sand pumping well 57 and cleaning the sand pumping well 57. Take backwash valve stealthily dirty pump 58 intercommunication to be provided with row husky pipeline 59, arrange husky pipeline 59 and pass 5 lateral walls in desilting pond, arrange along the desilting pond outer wall from the desilting pond middle part for discharge grit and solid impurity mixture, the utility model provides a arrange husky pipeline 59 adoption DN250 steel pipe. The dredging robot is communicated with a sand discharge pipeline 59.

An exhaust pipe is arranged at the water inlet of the sand basin water inlet section 51 at the upstream of the sand basin, a water delivery pipeline 7 is arranged at the water outlet section 53 of the sand basin, and the water delivery pipeline 7 is used for delivering water treated by the sewage disposal mechanism and the sand discharge mechanism.

Two hoisting holes are formed in the top plate of the desilting pond at the desilting pond desilting section of the first desilting pond box 54 and the second desilting pond box 55, and a second ladder stand 56 which is convenient for operators to enter is arranged in each hoisting hole.

The utility model discloses from the design of water intaking pivot under open channel water intaking, the pipeline water delivery circumstances, solved the problem of crossing the dyke water intaking, blocking dirty and desilting, satisfied the requirement of pipeline water delivery to aquatic sand content.

The utility model discloses specifically to the treatment process of irrigation aquatic sand content as follows.

The intake hub inlet water gate 22 is opened, the water flow of the open channel laterally enters the splayed water inlet 21 and enters the decontamination pool 4 through the through-dike culvert 3. The irrigation water passes through two grid type trash cleaners working according to normal operation conditions to remove sand particles and solid impurity mixtures in the water, and water flow is filtered by the grid type trash cleaners and then is introduced into a sand basin 5 through a connecting pipeline 6. Sediment is precipitated in the sediment tank 5, and clear water after the sediment is precipitated is delivered to the downstream for irrigation through a water delivery pipeline 7.

The utility model discloses well desilting pond 5 can be according to actual conditions periodic cleaning, washs and adopts taking back flush valve submersible sewage pump 58 to take out silt and send to row's husky pipeline 59, finally leads to the desilting robot. The back flushing device in the submersible sewage pump 58 with the back flushing valve stirs the silt slurry in the sand pumping well 57, the silt slurry is pumped out by the submersible sewage pump, sand is discharged through the sand discharge pipelines 59 arranged at the two sides of the desilting basin 5, and simultaneously, the desilting robot is assisted, so that the desilting problem is well solved.

Claims (10)

1. Water conservancy irrigation engineering open channel diversion pivot, its characterized in that: including water inlet (2) that are linked together in proper order respectively according to irrigation water rivers direction in open channel (1), be used for going into dyke culvert (3) of next link with the irrigation water drainage that lets in from water inlet (2), be used for detaching the pond of decontaminating (4) of impurity in the inflow irrigation water and be used for detaching silt basin (5) of the interior fine sand of inflow irrigation water, water inlet (2) department is provided with and is used for controlling the import inlet sluice (22) that irrigation water got into the flow in open channel (1) and simultaneously is the maintenance gate, be provided with in the pond of decontaminating (4) and be used for intercepting and clear away the mechanism of decontaminating of the interior irrigation water debris of pond of decontaminating (4), be provided with in silt basin (5) and be used for the sediment mechanism of arranging sediment in silt basin (5).

2. The irrigation engineering open channel penstock of claim 1, characterized in that: the water inlet (2) comprises a splayed water inlet (21) which is communicated with the open channel (1) and the heights of the outer walls of the splayed water inlet (21) are sequentially increased, and the inlet water guide gate (22) is arranged at the water outlet end of the splayed water inlet (21).

3. The irrigation engineering open channel penstock of claim 2, characterized in that: a trash screen for preventing solid wastes with larger particle sizes in the open channel (1) from entering is arranged between the water outlet end of the splayed water inlet (21) and the inlet water guide gate (22).

4. The irrigation engineering open channel penstock of claim 1, characterized in that: the sewage disposal pool (4) comprises a sewage disposal pool top plate (41) used as a pedestrian passage and a segmented inclined bottom plate (43) arranged at the bottom of the sewage disposal pool top plate (41), and a plurality of top holes used for installing a sewage disposal mechanism are formed in the sewage disposal pool top plate (41); the sectional inclined bottom plate (43) comprises a first inclined bottom plate (431) connected with the bottom end of the embankment culvert (3), a first horizontal plate (432) connected with the first inclined bottom plate (431), a second inclined bottom plate (433) connected with the first horizontal plate (432), and a second horizontal plate (434) connected with the second inclined bottom plate (433).

5. The irrigation engineering open channel penstock of claim 4, characterized in that: the trash cleaning mechanism comprises a grid type trash cleaning machine (42) which penetrates through a top hole and is arranged between a trash cleaning pool top plate (41) and a segmented inclined bottom plate (43), wherein the grid type trash cleaning machine (42) comprises a thick grid type trash cleaning machine (421) which is arranged between a first horizontal plate (432) and the trash cleaning pool top plate (41) and two thin grid type trash cleaning machines (422) which are respectively arranged between a second horizontal plate (434) and the trash cleaning pool top plate (41).

6. The irrigation engineering open channel penstock of claim 5, characterized in that: a plurality of stainless steel railings which are respectively arranged around the top holes and used for preventing personnel from accidentally falling are arranged on the top plate (41) of the sewage disposal pool; a first ladder stand (44) convenient for operators to enter is arranged in the top hole; a manhole (45) is arranged on the top plate (41) of the sewage disposal pool behind the fine grid type sewage disposal machine (422), and a first water collecting well (46) is arranged on a second horizontal plate (434) behind the fine grid type sewage disposal machine (422).

7. The irrigation engineering open channel penstock of claim 1, characterized in that: the desilting basin (5) comprises a first desilting basin box (54) and a second desilting basin box (55) which are arranged side by side in a parallel double-box advection mode and communicated with a water outlet of the sewage disposal basin (4) through a connecting pipeline (6) respectively, wherein the first desilting basin box (54) and the second desilting basin box (55) are formed by enclosing a desilting basin side wall, a desilting basin top plate and a desilting basin bottom plate which are lower than the current situation ground, a partition pier is arranged between the first desilting basin box (54) and the second desilting basin box (55), and the first desilting basin box (54) and the second desilting basin box (55) are divided into a desilting basin water inlet section (51) at the upper stream, a desilting basin desilting section (52) at the middle part and a desilting basin water outlet section (53) at the lower stream according to the water flow direction.

8. The irrigation engineering open channel penstock of claim 7, characterized in that: the sand discharging mechanism comprises a sand pumping well (57) which is arranged at the middle part of a sand settling section (52) of the sand settling tank and a submersible sewage pump (58) with a backwash valve, wherein the submersible sewage pump (57) is arranged in the sand pumping well (57) and is used for pumping sand grains and solid impurity mixtures of settled sand in the sand pumping well (57) and cleaning the sand pumping well (57), and the submersible sewage pump (58) with the backwash valve is communicated with a sand discharging pipeline (59) which penetrates through the side wall of the sand settling tank (5) and is used for discharging the sand grains and the solid impurity mixtures and a desilting robot which is communicated with the sand discharging pipeline (59).

9. The irrigation engineering open channel penstock of claim 7, characterized in that: an exhaust pipe is arranged on the water inlet section (51) of the sand basin, and a water delivery pipeline (7) for delivering water treated by the sewage disposal mechanism and the sand discharge mechanism is arranged on the water outlet section (53) of the sand basin.

10. The irrigation engineering open channel penstock of claim 7, characterized in that: two hoisting holes are formed in the top plate of the desilting pool at the desilting pool desilting section of the first desilting pool box (54) and the second desilting pool box (55), and a second ladder stand (56) convenient for operators to enter is arranged in each hoisting hole.