A kind of underground pipe heat pump
Technical field
The utility model relates to earth-source hot-pump system, specifically a kind of underground pipe heat pump that is used to building energy consumption that heat supply heating and air conditioner refrigerating are provided.
Background technology
Energy savings and environmental protection are the two principal themes of human survival and development, also are the focuses of global concern.Provide heat supply heating and air conditioner refrigerating just to become the key that reduces energy consumption and environmental protection as building energy consumption.At present; at building field; usually people take gas-firing or fire coal that heat supply heating is provided; or the air-conditioning of taking to switch on provides heat supply heating or refrigeration; this is very unfavorable for environmental protection and energy resource consumption; especially in the formation of current large-area building, need a large amount of energy to support its auxiliary facility.Therefore, provide the underground pipe heat pump of a kind of energy savings and protection of the environment just to become the technical problem that needs to be resolved hurrily at present.
The utility model content
For problems of the prior art and deficiency, the purpose of this utility model is to provide a kind of underground pipe heat pump.This system utilizes the constant characteristics of temperature constant of underground by at the embedded underground circulation line, realizes the exchange heat between unit and the earth soil; The heat energy that utilizes underground pipe to obtain in the soil can improve the variable-flow air-conditioning system heating efficiency in winter greatly.Run off without the water yield; Mix intersection without the water source, avoided pollution, reduced energy consumption, be conducive to environmental protection.
The purpose of this utility model realizes by following technical proposals:
A kind of underground pipe heat pump comprises the source pump that is communicated with building, and described source pump has the aqueous solution underground pipe of water or adding anti-icing fluid to link to each other with interior, and the two ends of underground pipe are connected with the evaporimeter of source pump or condenser; Described source pump links to each other with Programmable Logic Controller.
Further, in described heat pump set system, Programmable Logic Controller is taked the S7-200 of Siemens Programmable Logic Controller.
Further, in described heat pump set system, underground pipe is the circulation line that U-shaped pipe consists of, and this circulation line is vertically mounted in the underground vertical shaft.
Further, in described heat pump set system, U-shaped pipe is taked PE100, PE80 or HDPE tubing, the U-shaped pipe of U-shaped Guan Weidan or double u-tube.
Further, in described heat pump set system, be vertically mounted in the underground vertical shaft U-shaped pipe and be fixed in the vertical shaft by the shut-in well material.
The utlity model has following characteristics:
1) utilizes geothermal energy to belong to regenerative resource, without boiler, cooling tower, do not produce the waste water and gas waste residue, do not pollute;
2) earth source heat pump is called as the air-conditioning form of environmental protection, efficient energy-saving, and this air-conditioning can freely be produced the domestic hot-water, a tractor serves several purposes simultaneously; Unit moves under suitable operating mode, and four seasons operating mode is stable, not affected by outside air temperature, and comfort level is high; Energy Efficiency Ratio is high, than traditional air conditioner energy saving about 40%;
3) utilize total source, the ground energy of storing of underground soil, with the carrier of water as hot and cold calorimetric transmission, the aqueous solution underground pipe that water or adding anti-icing fluid are arranged in the employing, in the heat exchange pipeline of fluid " water " in being embedded in soil and circulate between source pump, realize the exchange heat between unit and the earth soil;
4) adopt the high S7-200 of the Siemens Programmable Logic Controller of reliability, the mode that adopts multilevel signal to gather guarantees the reliable of defencive function; The PID regulatory function is adopted in programming, and accuracy of temperature control can have higher Energy Efficiency Ratio (coefficient of performance) up to ± 0.1 ℃ when guaranteeing unit operation;
5) take PE100, PE80 or the U-shaped pipe of HDPE tubing, its chemically stable is good, and is corrosion-resistant; Preferably voltage endurance capability is arranged; Flow resistance is little; Thermal conductivity factor is large, good heat conductivity; Connect simple and easy, firm; Low price, with low cost.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model underground pipe heat pump structural representation.
Fig. 2 is that the U-shaped pipe of the utility model underground pipe heat pump is vertically mounted on schematic diagram in the vertical shaft;
Fig. 3 is that the U-shaped pipe of the utility model underground pipe heat pump is fixed in schematic diagram in the vertical shaft by the shut-in well material.
Among the figure: 1, building; 2, source pump; 3, underground pipe; 4, vertical shaft; 5, shut-in well material.
The specific embodiment
System of the present utility model, as shown in Figure 1, this system comprises the source pump 2 that is communicated with building 1, wherein, source pump 2 has the aqueous solution underground pipe 3 of water or adding anti-icing fluid to link to each other with interior, and the two ends of underground pipe 3 are connected with evaporimeter or the condenser of source pump 2; Source pump 2 links to each other with Programmable Logic Controller.Wherein, Programmable Logic Controller is taked the S7-200 of Siemens Programmable Logic Controller.
As shown in Figure 2, underground pipe 3 is the circulation line that U-shaped pipe consists of, and what this circulation line was vertical is installed in the vertical shaft 4.In circulation line, pass into the water of water or adding antifreezing agent, be communicated with this circulation line by source pump, itself and building are consisted of closed circuit.
The U-shaped pipe of the utility model is taked PE100 tubing, the U-shaped pipe of U-shaped Guan Weidan or double u-tube.
As shown in Figure 3, being vertically mounted in the underground vertical shaft U-shaped pipe is fixed in the vertical shaft by shut-in well material 5.Described shut-in well material is bentonite, fine sand, former earth mixtures, and this mixture is backfilled in the ground buried via hole that has laid U-shaped pipe.
Underground pipe should adopt plastic pipe and the pipe fitting that chemical stability is good, corrosion-resistant, thermal conductivity factor is large, flow resistance is little, should adopt polyethylene pipe (PE80 or PE100) or HDPE, should not adopt polyvinyl chloride (PVC) pipe.Pipe fitting and tubing should be same material.
Foot the bill the U-shaped pipe of root as example so that U-shaped pipe is vertically perpendicular: well depth 60~100m, well spacing 4~5m, summer heat exhaust 30~35w/m, the 20~25w/m(that recepts the caloric winter pipe is dark), double u-tube heat exchange amount be 1.22 times of the U-shaped pipe of list.
The utility model utilizes the constant characteristics of temperature constant in the underground vertical shaft by at the embedded underground circulation line, realizes the exchange heat between unit and the soil; The heat energy that utilizes underground pipe to obtain in the underground vertical shaft can improve the variable-flow air-conditioning system heating efficiency in winter greatly.This mode extremely effectively reduces energy consumption, is very beneficial for environmental protection.It is the useful engineering of energy-conserving and environment-protective being worthy to be popularized at present.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that the specific embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by claims of submitting to.