CN219909161U - Water source heat pump water intake system - Google Patents

Abstract

The utility model provides a water taking system of a water source heat pump, which comprises an artificial infiltration tank and a water collecting vertical shaft connected with the artificial infiltration tank; the artificial percolating pond comprises a pond body, wherein a percolating filter layer consisting of particle filter materials is filled in the pond body, a plurality of groups of percolating filter plate groups are fixedly connected in the pond body at intervals along the front-back direction of the pond body, and water filtered by the percolating filter layer and the percolating filter plate groups is discharged into a water pipe; the rear part of the top of the tank body is provided with a cover plate with controllable water inlet holes, and water inlet valves are arranged at the controllable water inlet holes. Aiming at the characteristics of high turbidity in summer and low turbidity in winter of river water, the utility model solves the problems of blocking sand and reducing turbidity in flood period and dead water period by arranging the multi-point mixed water inlet mode of the controllable water inlet holes on the cover plate. The main treatment facilities of the water taking system are positioned at the river side or in water, the water flow condition of the natural river bed is fully utilized, the process characteristics of percolation water taking are introduced, the sand blocking effect is good, the floor occupation area is small, the construction cost is reduced, the construction period is shortened, and the operation is environment-friendly.

Description

Water source heat pump water intake system

Technical Field

The utility model belongs to the field of seepage water taking, and particularly relates to a water source heat pump water taking system.

Background

Aiming at the current situation of a water source heat pump, river water is utilized as a cold and hot source, the river water source heat pump is greatly promoted to be the most effective means for solving the problems of energy conservation and emission reduction and developing green energy, but the key point of promotion is that the problems of seasonal change of raw water turbidity and sand content, high water taking engineering cost and large occupied area in the operation of the river water source heat pump are effectively solved.

CN201620586938.0 discloses a submerged water source heat pump, it sets up infiltration water intaking device at the river bottom, and infiltration water intaking device includes the water intaking shaft, and the water intaking pump package sets up in the water intaking shaft, and the water intaking shaft is connected in the water intaking passageway, and the infiltration hole crowd department at water intaking passageway top is provided with the infiltration piece, and the infiltration piece is introduced into the water intaking passageway with the water of infiltration hole crowd department. According to the technical scheme, the diving water obtained by the infiltration water taking technology is used as a water source of the water source heat pump, river bed diving water resources which are not widely developed are fully utilized, and impurities left by the sand-gravel layer at the water taking position during filtration are flushed away due to the fluidity of the water body, so that the self-cleaning function is achieved. However, as the water quality turbidity of the river raw water in the flood period and the dry period is greatly different, the filtration scheme cannot be adjusted according to different water quality filtration requirements in the flood period and the dry period; the water source heat pump mainly aims at the condition of low water quality requirement of the water source heat pump, and has poor sand blocking effect; and the implementation cost is too high, the construction period is too long, and the method is not suitable for large-area popularization.

Disclosure of Invention

The utility model aims to solve the technical problems in the prior art, and aims to provide a water taking system of a water source heat pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a water intake system of a water source heat pump comprises an artificial percolating pond arranged on a river side or in a river, a water delivery pipe connected with a water outlet of the artificial percolating pond, and a water collection shaft connected with an outlet of the water delivery pipe, wherein the water source heat pump pumps water from the water collection shaft; the artificial percolating pond comprises a pond body which is arranged on the side of a river or in the river and provided with an opening at the top of a filtering chamber, wherein the filtering chamber of the pond body is filled with a percolating filter layer consisting of particle filter materials, a plurality of groups of percolating filter plate groups which are arranged at intervals along the front-back direction of the pond body are fixedly connected in the filtering chamber of the pond body, the percolating filter plate groups are obliquely arranged from bottom to top from front to back, all or part of the percolating filter plate groups are inserted into the percolating filter layer, and water filtered by the percolating filter layer and the percolating filter plate groups is discharged into a water pipe; the rear part of the top of the tank body is provided with a cover plate for shielding the rear part of the opening at the top of the tank body, the cover plate is provided with a plurality of controllable water inlet holes communicated with the inside of the tank body, and the controllable water inlet holes are provided with water inlet valves.

According to the technical scheme, aiming at the characteristics of high turbidity in summer and low turbidity in winter of river water in a use area, the problem of water treatment under different turbidity in a flood period and a dead water period is solved by arranging the multi-point mixing water inlet mode of the controllable water inlet holes on the cover plate; and through the multistage filtration mode that sets up apron and multiunit infiltration board group, effectively clear away the fine sand of powder in the river. The main treatment facilities of the water taking system are positioned at the river side or in water, the water flow condition of the natural river bed is fully utilized, the process characteristics of percolation water taking are introduced, the floor occupation area is small, the construction cost is reduced, the construction period is shortened, and the operation is environment-friendly.

In a preferred embodiment of the utility model, a water storage bin is arranged below the filtering chamber in the tank body, and the outlet of the water storage bin is connected with the inlet of the water delivery pipe.

Above-mentioned technical scheme gathers the mixed water of different filter stages through setting up the water storage bin for the quality of water that gets into in the water collecting shaft is more stable.

In a preferred embodiment of the utility model, the cross section of the water storage bin is trapezoidal, and the large end of the trapezoid is positioned above the small end.

According to the technical scheme, the trapezoid water storage bin is convenient for mixing and collecting river water after filtration.

In a preferred embodiment of the utility model, a mud flushing pipe for flushing out sediment in the water storage bin is laid in the water storage bin, the side wall of the mud flushing pipe is provided with a plurality of water outlets, and the water inlet end of the mud flushing pipe is connected with a mud flushing water source.

According to the technical scheme, sandy substances penetrating through the seepage filter layer can be deposited in the water storage bin, the mud flushing pipe is opened periodically to flush the bottom of the water storage bin, and settled sand can be assisted to be discharged out of the water storage bin.

In a preferred embodiment of the utility model, the bottom of the water storage bin is obliquely arranged from top to bottom along one end close to the water conveying pipe to one end far away from the water conveying pipe.

According to the technical scheme, the bottom of the water storage bin is obliquely arranged, so that settled sand can be conveniently discharged out of the water storage bin.

In another preferred embodiment of the utility model, the group of percolation plates comprises two filter plates arranged in parallel, two ends of each filter plate are fixedly connected with the inner wall of the tank body respectively, and no particle filter material is filled between the two filter plates of the group of percolation plates.

In another preferred embodiment of the utility model, a transversely arranged foundation mat layer is fixedly connected in the tank body, the foundation mat layer is a medium pebble or water permeable plate, and a plurality of particle filter materials are piled up in a filter cavity above the foundation mat layer to form a seepage filter layer.

According to the technical scheme, the foundation cushion layer plays a role in supporting the seepage filter layer and the bottom sand blocking filter, so that the service life of the artificial seepage filter can be prolonged.

In another preferred embodiment of the utility model, a plurality of backwash pipes are laid in the seepage filter layer, the side walls of the backwash pipes are provided with a plurality of water outlets, and the water inlet ends of the backwash pipes are connected with a backwash water source.

According to the technical scheme, the artificial infiltration pond adopts a mode of combining natural river scouring and artificial backwashing with the arrangement of the backwashing pipe, the natural scouring in a flood period and the backwashing of the artificial infiltration pond are carried out periodically by using the backwashing pipe, so that the siltation on the surface and the inside of the artificial infiltration pond is removed, the drainage performance of the artificial infiltration pond is recovered, and the stability of the engineering water supply is ensured; and the sand setting is backflushed through the backflushing pipe, so that the sand is naturally discharged, the ground sand treatment is not needed, and the environment is protected naturally.

In another preferred embodiment of the utility model, several backwash pipes are inserted transversely in the forward and backward direction of the tank body into the permeate filter layer.

In another preferred embodiment of the utility model, a partition wall extending along the front-back direction of the tank body is fixedly connected in the tank body, and the partition wall divides the tank body into two filtering chambers which can run simultaneously or in a time-sharing manner; when the two filter chambers can run at different times, the cover plates at the tops of the two filter chambers are provided with controllable water inlets.

In the technical scheme, the two filter chambers can be controlled respectively and can be operated simultaneously or respectively, so that different use requirements are met.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic diagram of a schematic cross-sectional front view of a water intake system of a water source heat pump according to an embodiment of the present utility model.

Fig. 2 is a schematic top cross-sectional view of a water intake system of a water source heat pump according to an embodiment of the utility model.

FIG. 3 is a schematic cross-sectional view A-A of FIG. 1.

Fig. 4 is a schematic diagram of the flow of water in an artificial percolator during flood phase.

FIG. 5 is a schematic diagram showing the flow of water in an artificial percolator during the dry season.

Reference numerals in the drawings of the specification include: the artificial infiltration pond 10, the cell body 11, the infiltration layer 12, the infiltration board group 13, the filter 131, the apron 14, controllable inlet port 141, inlet valve 142, water storage bin 15, mud flushing pipe 16, foundation bed course 17, recoil pipe 18, partition wall 19, raceway 20, water collecting shaft 30.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "vertical," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

The utility model provides a water intake system of a water source heat pump, as shown in fig. 1, in a preferred embodiment of the utility model, the water intake system comprises an artificial percolation pool 10 arranged on the side of a river or in the river, a water pipe 20 connected with the water outlet of the artificial percolation pool 10, and a water collecting vertical shaft 30 connected with the outlet of the water pipe 20, wherein the water source heat pump extracts water from the water collecting vertical shaft 30.

Wherein, the water collecting vertical shaft 30 is positioned on the river bank, fig. 1 shows that the water collecting vertical shaft 30 is arranged at the left side of the artificial percolation pool 10, the diameter of the water collecting vertical shaft 30 is 5m-6m, and a reinforced concrete structure is adopted for collecting the water treated by the artificial percolation pool 10 and installing a water source heat pump. The pipe diameter of the water pipe 20 is determined according to the water intake amount, and is a concrete pipe or a steel pipe, and the construction can adopt an open-cut or non-excavated pipe-jacking mode.

The artificial infiltration pond 10 comprises a pond body 11 which is arranged on the side of a river or in the river and provided with a top opening of a filtering cavity, wherein the pond body 11 is of a reinforced concrete structure, and the size of the pond body 11 is determined according to the water intake amount and the effective filtering speed. The filtering cavity of the tank body 11 is filled with a seepage filter layer 12 formed by stacking particle filter materials, the seepage filter layer 12 is an artificial sand pebble layer, the particle filter materials adopt raw sand pebbles or artificial machine-made sand, and the seepage filter layer 12 plays roles of water quality filtering and sand blocking. The filtering chamber of the tank body 11 is fixedly connected with a plurality of groups of filtering plate groups 13 which are arranged at intervals along the front-back direction, the filtering plate groups 13 are all arranged obliquely from bottom to top and from front to back, all or part of the filtering plate groups 13 are inserted into the filtering layer 12, the lower ends of the filtering plate groups 13 extend to the bottom of the filtering layer 12, the two side ends of the filtering plate groups 13 extend to the inner wall of the tank body 11, and water filtered by the filtering layer 12 and the filtering plate groups 13 is discharged into the water pipe 20. Preferably, a water storage bin 15 is arranged below the filtering chamber in the tank body 11, and an outlet at the left end of the water storage bin 15 is connected with an inlet at the right end of the water delivery pipe 20.

In the utility model, the rear part of the top of the tank body 11 is provided with a cover plate 14 for shielding the rear part of the top opening of the tank body 11, the front part of the top opening of the tank body 11 is not provided with the cover plate 14, the cover plate 14 is provided with a plurality of controllable water inlet holes 141 communicated with the inside of the tank body 11, the controllable water inlet holes 141 are provided with water inlet valves 142, and the water inlet valves 142 are water control valves or air control valves.

The utility model utilizes the operation principle of a percolation water taking process, a water collecting vertical shaft 30 is communicated with an artificial percolation pond 10 through a water pipe 20, water level is reduced by pumping water into the water collecting vertical shaft 30 through a water source heat pump, pressure conduction is carried out to form a pressure difference between a river water level and a well water level, a low-pressure area is formed in the bottom of a percolation filter layer 12 to induce the infiltration of the river water, and natural replenishment is carried out through a surface filter membrane of the artificial percolation pond 10 and the percolation filter layer 12. In the process of infiltration, impurities of river water are adsorbed by the filter membrane of the artificial infiltration pond 10 and the infiltration layer 12 and filtered and purified, and the variation of river flow state brings away the siltation objects trapped on the surface of the artificial infiltration pond 10 to form dynamic balance, so that a long-term stable water taking state is ensured.

As shown in fig. 4, when the water intake system is operated in a flood period, the water quality of river water is poor, the sand content and turbidity of the river water are high, the water intake valve 142 at the controllable water intake hole 141 on the cover plate 14 at the rear part of the tank body 11 is closed, the river water enters the artificial percolating pond 10 at the front part of the tank body 11, a small part of water enters the water storage bin 15 after being subjected to primary filtration by the seepage filter layer 12, the rest part of water enters the water storage bin 15 after being subjected to secondary filtration or more stage filtration by the percolation plate group 13 at the rear end, and the water after the filtration at each stage enters the water collection shaft 30 after being mixed in the water storage bin 15, so that the comprehensive water quality requirement of the water source heat pump can be met.

As shown in fig. 5, when the water intake system is operated in the dry period, the water quality of the river is better, the turbidity of the river is low, the sand content is low, the water intake valve 142 at the controllable water intake hole 141 on the cover plate 14 at the rear part of the tank body 11 is opened, the whole river enters the seepage filter layer 12 of the artificial seepage filter 10, and the river enters the water storage bin 15 directly after being filtered by the seepage filter layer 12 or enters the seepage filter layer 12 after being filtered by the seepage plate group 13 in a single stage, so that the water quality requirement of the water source heat pump can be met.

In a preferred embodiment, as shown in fig. 3, the water storage bin 15 has a trapezoidal cross section, and the large end of the trapezoid is located above the small end, so that the filtered river water can be collected.

As shown in fig. 1 and 3, in another preferred embodiment, a mud pipe 16 for flushing out the mud in the water storage bin 15 is laid in the water storage bin 15, and the mud pipe 16 extends in the front-rear direction of the tank 11, and preferably, one mud pipe 16 is provided at each side of the water storage bin 15. The side wall of the mud flushing pipe 16 is provided with a plurality of water outlets, and the water inlet end at the left end of the mud flushing pipe 16 is connected with a mud flushing water source, which can be a water pump or a water storage tank positioned higher than the mud flushing pipe 16. Since the sandy substances penetrating through the seepage filter layer 12 can be deposited in the water storage bin 15, the mud flushing pipe 16 is periodically opened to flush the bottom of the water storage bin 15, so that settled sand can be assisted to be discharged out of the water storage bin 15.

As shown in fig. 1, it is further preferable that the bottom of the water storage bin 15 is inclined from top to bottom along one end close to the water pipe 20 to one end far from the water pipe 20, thereby facilitating the discharge of the settled sand out of the water storage bin 15.

As shown in fig. 1, in the present utility model, a set 13 of percolating plates comprises two filter plates 131 arranged in parallel, the filter plates 131 being gravel-attached filter plates or bell-mouth-type filter plates of the prior art. The two side ends of the filter plates 131 are fixedly connected with the inner wall of the tank body 11 respectively, no particle filter material is filled between the two filter plates 131 of the group 13 of percolation plates, and a cavity is formed between the two filter plates 131 and the inner wall of the tank body 11.

In another preferred embodiment, as shown in fig. 1, a base cushion layer 17 is fixedly connected in the tank body 11, the base cushion layer 17 is a medium pebble or a water permeable plate, and a plurality of granular filter materials are piled up in a filter chamber above the base cushion layer 17 to form a seepage filter layer 12. The foundation mat 17 plays a role in supporting the seepage filter layer 12 and the bottom sand blocking filter.

As shown in fig. 1 to 3, in another preferred embodiment, a plurality of backwash pipes 18 are laid in the percolation filter layer 12, and the plurality of backwash pipes 18 are inserted into the percolation filter layer 12 laterally in the front-rear direction of the tank body 11. The side wall of the back flushing pipe 18 is provided with a plurality of water outlets, the water inlet end of the back flushing pipe 18 is connected with a back flushing water source, and the back flushing water source can be a back flushing water pump or a water storage tank which is higher than the back flushing pipe 18.

The artificial infiltration pond 10 is arranged in water, fully utilizes the natural scouring capability of rivers, and is provided with a backwash pipe 18, so that the seepage filter layer 12 can be backwashed regularly, the water quantity attenuation caused by the siltation of the artificial infiltration pond 10 is prevented, and the water quality during the operation of the water taking system is ensured.

As shown in fig. 2 and 3, in another preferred embodiment, a partition wall 19 extending in the front-rear direction of the tank 11 is fixedly connected to the tank 11, the partition wall 19 divides the tank 11 into two filter chambers capable of operating simultaneously or in a time-sharing manner, and a backwash tube 18 is laid in each filter chamber; when the two filter chambers can be operated at different times, the cover plates 14 at the tops of the two filter chambers are provided with the controllable water inlet holes 141, so that the two filter chambers can be controlled respectively.

In the description of the present specification, reference to the terms "preferred implementation," "one embodiment," "some embodiments," "example," "a particular example" or "some examples" and the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The water intake system of the water source heat pump is characterized by comprising an artificial percolating pond arranged on the side of a river or in the river, a water delivery pipe connected with a water outlet of the artificial percolating pond and a water collection vertical shaft connected with a water delivery pipe outlet, wherein the water source heat pump is used for pumping water from the water collection vertical shaft;

the artificial infiltration pond comprises a pond body which is arranged on the side of a river or in the river and is provided with an opening at the top of a filtering chamber, the filtering chamber of the pond body is filled with an infiltration filtering layer consisting of particle filtering materials, a plurality of groups of infiltration plate groups which are arranged at intervals along the front-back direction of the pond body are fixedly connected in the filtering chamber of the pond body, the infiltration plate groups are obliquely arranged from bottom to top from front to back, all or part of the infiltration plate groups are inserted into the infiltration filtering layer, and water filtered by the infiltration filtering layer and the infiltration plate groups is discharged into the water pipe;

the back of cell body top is equipped with the apron that is used for shielding cell body top opening rear portion, offer on the apron with the inside communicating a plurality of controllable inlet openings of cell body, controllable inlet opening department all installs the water intaking valve.

2. A water source heat pump water intake system as in claim 1, wherein a water storage bin is arranged below the filtering chamber in the tank body, and an outlet of the water storage bin is connected with an inlet of the water pipe.

3. A water source heat pump water intake system as in claim 2 wherein said reservoir has a trapezoidal cross section with a large end positioned above a small end.

4. The water intake system of claim 2, wherein a mud flushing pipe for flushing out mud in the water storage bin is laid in the water storage bin, a plurality of water outlets are formed in the side wall of the mud flushing pipe, and the water inlet end of the mud flushing pipe is connected with a mud flushing water source.

5. A water source heat pump water intake system as in claim 4 wherein the bottom of said water storage bin is inclined from top to bottom along one end near the water pipe to one end far from the water pipe.

6. A water source heat pump water intake system according to any one of claims 1-5, wherein one of the percolating plate sets comprises two filter plates arranged in parallel, two ends of each filter plate being fixedly connected to the inner wall of the tank, and no particulate filter material is filled between the two filter plates of the one percolating plate set.

7. A water intake system of a water source heat pump according to any one of claims 1-5, wherein a base cushion layer arranged transversely is fixedly connected in the tank body, the base cushion layer is a medium pebble or a water permeable plate, and a plurality of particle filter materials are piled up in a filter cavity above the base cushion layer to form the seepage filter layer.

8. A water source heat pump water intake system according to any one of claims 1-5, wherein a plurality of backwash pipes are laid in the seepage filter layer, the side walls of the backwash pipes are provided with a plurality of water outlet holes, and the water inlet ends of the backwash pipes are connected with a backwash water source.

9. A water source heat pump water intake system as in claim 8 wherein said plurality of said backwash tubes are inserted transversely into said permeate filter layer in a fore-aft direction of the tank.

10. A water intake system of a water source heat pump according to any one of claims 1-5, wherein a partition wall extending along the front-rear direction of the tank body is fixedly connected in the tank body, and divides the tank body into two filtering chambers which can operate simultaneously or in a time-sharing manner;

when the two filter chambers can run at different times, the cover plates at the tops of the two filter chambers are provided with the controllable water inlet holes.