CN205505493U - Grouping ground source heat pump system with journey setting - Google Patents

Abstract

The utility model discloses a grouping ground source heat pump system with journey setting, has solved that normal atmospheric temperature water absorbs the heat inhomogeneous problem in the soil underground among the prior art, and its technical essential is: total inlet tube, hydraulic balance distributor, a plurality of heat exchange group and total wet return including external normal atmospheric temperature water source come from the normal atmospheric temperature water of total inlet tube is in the process behind the hydraulic balance distributor with water uniform distribution extremely the heat exchange inter block, a plurality of heat exchange inter blocks are all including the branch pipe of a plurality of mutual intercommunications, heat exchange group goes up and total inlet tube is located respectively to be provided with a stop valve with the position of total wet return intercommunication, and the external normal atmospheric temperature water of every heat exchange group that flows through is in the distance that flows through between the starting point of total inlet tube and the terminal point of total wet return is the same, has gained reliably and has absorbed the thermal technological effect in make full use of ground source uniformly.

Description

The source heat pump system group by group that a kind of same journey is arranged

Technical field

This utility model relates to heating system, particularly to the heat pump utilizing soil heat to carry out auxiliary heat supplying.

Background technology

Earth-source hot-pump system refers to that the novel energy utilizing superficial-layer geothermal energy to carry out heating and refrigerating utilizes the eco-friendly power source of technology to utilize system.The circulation heat absorption of the pipeline that earth-source hot-pump system is typically to utilize room temperature water source to bury underground in soil or inhale the cold heat by underground or cold is taken out of, this part water enters in earth source heat pump unit, utilize the Carnot cycle within earth source heat pump unit and inverse Carnot cycle, water by the temperature in external refrigeration or needed for heat supply with the heat of underground or the water conversion of cold, so move in circles, it is achieved making full use of of surface temperature.Surface temperature is the most stable at about 17 degree, utilize this stationary temperature, the operational efficiency of earth source heat pump exceeds 40% to 60% than traditional air conditioner operational efficiency, therefore, calculate in units of year, use the heating system of earth source heat pump can save the operating cost of about 50% than the form of traditional air conditioner heating.Further, it is electric energy and the coal-fired boiler that uses in non-traditional heating system due to what earth source heat pump utilized, thus, the beneficially protection of environment.

In traditional earth-source hot-pump system, it is embedded in the pipeline of underground and typically requires and be perpendicular to earth's surface and arrange, and, the pipeline of this arrangement form needs to be formed the waterway circulating of a larger area, can meet the use requirement of Office Area or residential block.Such as, Authorization Notice No. is the energy storage device utilizing soil disclosed in the Chinese patent of CN 201935428 U, and the temperature in earth's surface is carried and is used to earth's surface by the fluid in the pipeline of underground circulation that what it utilized is exactly.

When utilizing underground heat or cold, pipeline is typically singly to enter the form singly gone out, i.e. one total water inlet pipe, when flowing through each U-shaped arm, soil or rock that normal-temperature water flows in arm with deep layer carry out a heat exchange, arm is sequentially ingressed into along the bearing of trend of water inlet manifold, under such arrangement form, the flow being arranged in the arm inflow farther out of distance water inlet end can be much smaller than the arm nearer apart from water inlet end, thus it is often the case that be that the heat in local soil is not pulled away, in other words, in this arrangement form can cause burying underground the soil of pipeline, Btu utilization is uneven, there is bigger waste.

Utility model content

The purpose of this utility model is the source heat pump system group by group providing a kind of same journey to arrange so that a water inlet tube of each heat exchange is identical with backwater distance, so that the Btu utilization being embedded with in the soil of pipeline is abundant and uniform.

Above-mentioned purpose of the present utility model has the technical scheme that the source heat pump system group by group that a kind of same journey is arranged, include the water inlet manifold at external room temperature water source, hydraulic equilibrium distributor, some heat exchange groups and total return pipe, from described water inlet manifold normal-temperature water after described hydraulic equilibrium distributor by water uniform distribution in described heat exchange group, some arms being interconnected all are included in described some heat exchange groups, the position connected with water inlet manifold and total return pipe in described heat exchange group is each provided with a stop valve, flow through the distance that the external normal-temperature water of each heat exchange group flows through between the terminal of the starting point of described water inlet manifold and total return pipe identical.

Further, described arm all includes water inlet, water return outlet and the U-tube section being arranged between water inlet and water return outlet, all arm water inlets in each heat exchange group are alternately connected with water return outlet, in described heat exchange group, the water inlet of first arm is communicated to water inlet manifold, and the water return outlet of last root arm is communicated to total return pipe.

Further, the isometric setting of U-tube section of the some arms in described heat exchange group.

Further, it is provided with circulating pump between described total return pipe and described earth source heat pump unit.

Further, described circulating pump has two, and two circulating pumps are connected between described total return pipe and earth source heat pump unit with parallel way.

In sum, first all arms carry out ending connection be grouped, form some heat exchange groups, and all heat exchange groups are connected as between water inlet manifold and total return pipe with form in parallel, by the hydraulic equilibrium distributor in system by the normal-temperature water uniform distribution in water inlet manifold to each heat exchange group, all heat exchange groups are made to obtain uniformly waiting the water of flow, same journey arrangement form plus heat exchange group, further such that the water obtained in each heat exchange group flows through same distance within pipeline, that is, pipeline is flowed out after the temperature of equivalent in water absorption soil in each heat exchange group, so, if the heat in each region being distributed in soil is uniformly taken away to earth source heat pump unit by heat exchange group, realize making full use of of underground heat.

Accompanying drawing explanation

Fig. 1 is pipeline layout.

In figure, 1, user side circulating pump；2, water inlet manifold；3, total return pipe；4, heat exchange group；5, source circulating pump；6, earth source heat pump unit；7, user's water supply network；8, hydraulic equilibrium distributor；40, arm；41, water inlet；42, water return outlet；43, U-tube section.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

A kind of earth-source hot-pump system using isometric heat exchange group, as shown in fig. 1, include user side circulating pump 1, water inlet manifold 2, total return pipe 3, some heat exchange groups 4, ground source circulating pump 5, earth source heat pump unit 6, user's water supply network 7 and hydraulic equilibrium distributor 8, wherein, user side circulating pump 1 pumps normal-temperature water in system, the normal-temperature water flowed out from user side circulating pump 1 has certain hydraulic pressure, it first flows through water inlet manifold 2 afterwards, on water inlet manifold 2 along within water (flow) direction on arrange some hydraulic equilibrium distributors 8, uniform fluid flow distribution in water inlet manifold 2 is entered in heat exchange group 4 in some plumes by hydraulic equilibrium distributor 8, the normal-temperature water flowing into heat exchange group 4 flows in total return pipe 3 after underground absorbs the soil moisture.The temperature of the water in total return pipe 3 is not enough to user's water supply network 7 is carried out heat supply or refrigeration, thus, total return pipe 3 is further heated in flowing into earth source heat pump unit 6 after the pressurization of ground source circulating pump or is freezed, and ultimately forms the cold water or hot water used in being satisfied with user's water supply network 7.

nullSpecifically，Heat exchange group 4 includes some arms 40，Each arm 40 includes water inlet 41、Water return outlet 42 and be connected to U-tube section between the two，The U-tube section 43 of all heat exchange groups 4 is in isometric setting，All arms 40 in heat exchange group 4 are with water inlet 41、Water return outlet 42 alternately connects one overall snakelike pipeline of formation，The water inlet 41 of interior first arm 40 of heat exchange group 4 is connected on water inlet manifold 2，The water return outlet 42 of last root arm 40 is connected in total return pipe 3，And，Access and be provided with a stop valve 8 on the arm 40 on water inlet manifold 2 and total return pipe 3，For whole heat exchange group 4 being accessed house steward or closing overall thermal exchange group 4，The benefit so arranged is，When the arm 40 in some region of heat exchange group 4 occurs breakage，When can detect, which root arm 40 occurs in that breakage，Stop valve 8 can be closed with the fastest speed，The heat exchange group 4 being likely to occur breakage is all ended，Reduce the loss of water.

In order to ensure that the normal-temperature water in all heat exchange groups 4 absorbs the temperature of equivalent in soil, need the distance that normal-temperature water flows through in each heat exchange group 4 is arranged to equivalent, that is: in some heat exchange groups 4, water inlet 41 first accesses the heat exchange group 4 that water inlet manifold 2 leans on, in its water return outlet 42 gyrus compositus posterior water pipe 3, the arrangement form of such " last in, first out ", water inlet manifold 2, one heat exchange group 4 and total return pipe 3 regard a unit as, the distance that the water being then embedded in all unit of underground flows through is equal, thus, heat in the soil that its internal water absorbs in theory is the most essentially identical.

Further, user side circulating pump 1 and ground source circulating pump 5 are provided with two, and access pipeline in parallel so that circulating pump itself, in case a use, prevents the damage of circulating pump from whole system is paralysed.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

Claims (5)

1. the source heat pump system group by group arranged with journey, it is characterized in that: include the water inlet manifold at external room temperature water source, hydraulic equilibrium distributor, some heat exchange groups and total return pipe, from described water inlet manifold normal-temperature water after described hydraulic equilibrium distributor by water uniform distribution in described heat exchange group, some arms being interconnected all are included in described some heat exchange groups, the position connected with water inlet manifold and total return pipe in described heat exchange group is each provided with a stop valve, flow through the distance that the external normal-temperature water of each heat exchange group flows through between the terminal of the starting point of described water inlet manifold and total return pipe identical.

The source heat pump system group by group that a kind of same journey the most according to claim 1 is arranged, it is characterized in that: described arm all includes water inlet, water return outlet and the U-tube section being arranged between water inlet and water return outlet, all arm water inlets in each heat exchange group are alternately connected with water return outlet, in described heat exchange group, the water inlet of first arm is communicated to water inlet manifold, and the water return outlet of last root arm is communicated to total return pipe.

The source heat pump system group by group that same journey the most according to claim 2 is arranged, is characterized in that: the isometric setting of U-tube section of the some arms in described heat exchange group.

4. the source heat pump system group by group arranged according to the same journey described in claim 1 or 2 or 3, is characterized in that: be provided with circulating pump between described total return pipe and described earth source heat pump unit.

The source heat pump system group by group that same journey the most according to claim 4 is arranged, is characterized in that: described circulating pump has two, and two circulating pumps is connected between described total return pipe and earth source heat pump unit with parallel way.