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Process method and equipment for constructing ground source heat pump well

A soil source heat pump and construction technology technology is applied in the field of ground source heat pump construction technology to achieve the effects of low cost, good application effect and strong practicability

Active Publication Date: 2011-04-20
SHANDONG YATEER GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the construction process of ground source wells, various techniques and equipment have appeared and been adopted in the relevant processes such as the testing and analysis of thermal physical properties of rock and soil, the operation of U-shaped pipe running, and the construction and acceptance of ground source well loops. , but in many construction links and equipment there are many problems in terms of accuracy, reliability, safety, well completion and loop construction quality, progress, etc., all of which depend on targeted improvement and improvement

Method used

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  • Process method and equipment for constructing ground source heat pump well
  • Process method and equipment for constructing ground source heat pump well
  • Process method and equipment for constructing ground source heat pump well

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Embodiment Construction

[0029] figure 2 It is a structural schematic diagram of the single-eccentric three-piece casing and pipe drilling tool used in the casing and pipe drilling drilling construction of the key process equipment of the present invention, image 3 It is a schematic diagram of the principle of geotechnical thermal physical property testing.

[0030] The specific description of the present invention is: a soil source heat pump ground source well construction process and equipment, the construction process and steps are as follows:

[0031] (1) The test well is drilled by using the casing and pipe drilling downhole construction technology;

[0032] (2) Use a geotechnical property tester to test the basic thermophysical properties of the local rock and soil;

[0033] (3) Use the casing and pipe drilling technique to excavate the well group with the number calculated according to the measured rock and soil physical properties;

[0034] (4) Run the U-shaped pipe into the well group by...

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Abstract

The invention discloses a process method and equipment for constructing a ground source heat pump well. The process method comprises the following steps of: drilling a testing well by adopting a casing following pipe drilling underground construction process, testing thermophysical properties of local rock by adopting a rock physical property tester, digging out gang of wells in a number calculated according to the tested thermophysical properties by adopting a casting following pipe drilling process, feeding U-shaped pipes into the gang of wells by adopting a quick pipe feeding process, connecting a plurality of wells in parallel into a group by adopting a reversed return system, connecting each group into a ground source water loop system according to direct return, introducing a return water supply main pipe into a main engine room, performing multiple pressing sequentially until the quality requirement is met, and finishing the construction. The process method is particularly suitable for difficult construction geological conditions with hard rock such as granite and the like; safe, high-efficient, quick and convenient construction is ensured by applying various advanced special construction processes and equipment; the consumption of manpower and materials, and labor intensity are reduced; the construction and preparation time is saved; the comprehensive construction cost is reduced; and the actual project application effect is good.

Description

technical field [0001] The invention relates to a construction process method and equipment for a ground source well of a soil source heat pump, and belongs to the technical field of ground source heat pump construction technology. Background technique [0002] Ground-source heat pump heating and air-conditioning cooling systems have the advantage of making full use of the energy of the underground soil and using one system to solve the problem of air-conditioning cooling and heating throughout the year. In recent years, soil sources have been widely used and achieved great success. Good application benefit. The ground source heat pump system uses the natural energy of the underground rock and soil for air conditioning, cooling, heating and hot water. It does not pollute and consume groundwater itself. It has developed rapidly in terms of technical products and practical applications, and has a broad market potential. However, due to the complex composition of the undergro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B30/06F24J3/08E21B1/00E21B4/06
CPCY02E10/10F24J2003/088F24T2010/53F24T2201/00
Inventor 郑良村马宁姚久恩高杨郝君魏巍张文龙张茂勇
Owner SHANDONG YATEER GROUP
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