CN201043778Y - Geothermal water-heating integral set - Google Patents

Abstract

The utility model provides an overall machine set for geothermal water heating and mainly consists of a whirl sand removal device, a water mixing tank, a cycling pump group and a water collector. The machine set is characterized in that each component is interconnected through a base so that the machine set becomes an overall structure, the machine set is added with the cycling water pump and the water mixing tank, the water mixing tank is arranged at an outlet of the cycling pump, and seal structure is adopted; the lower part of the whirl sand removal device is provided with a sand collecting tank, the middle part of the sand collecting tank is provided with a sight glass, and the bottom of the sand collecting tank is provided with a sand removal valve; the lower base is welded with a well pipe as a whole and the upper part of the base is connected with a heat water well pump pipe as a whole; the upper part and the lower part of the base are sealed and interconnected through a flange; an overflowing water pipe is added between the lower base and a water outlet tube and the overflowing water pipe is provided with an overflowing water valve. The utility model has convenient in-site arrangement, with time and energy saving as well as material saving; as the utility model adopts the mode of pumping back (tail) water to be mixed with well water, water quantity of the heating system is increased and the heating system has uniform distributed heat energy; as discharging of (tail) water is controlled by an electric valve, water can flow out automatically when temperature of the system is lower than lower limit of preset temperature; when temperature is higher than upper limit of preset temperature, the electric valve is closed automatically; the machine set is convenient for water mixing and water discharging; the system can reduce electric consumption of the water pump in maximum under the condition of meeting heat supply factor.

Description

The whole unit of GEOTHERMAL WATER heating

Technical field

The utility model relates to a kind of underground water heating equipment that utilizes.

Background technology

GEOTHERMAL WATER belongs to clean energy resource as " heat, ore deposit, water " Trinitarian resource, and the most direct purposes of GEOTHERMAL WATER development and use is utilized the GEOTHERMAL WATER heating exactly.At present, directly enter user's heating system (fan coil system of underground heat coil system, radiator system or central air-conditioning) after utilizing the GEOTHERMAL WATER heating hot well pumps of employing that GEOTHERMAL WATER is released more, for the demanding occasion of pressure, adopt the pressurization of series connection of pumps on the ground.Water through heating system heat radiation directly is discharged in the sewer, GEOTHERMAL WATER heat energy can not make full use of, waste huge.Also have GEOTHERMAL WATER phenomenon pockety, simultaneously, entire equipment adopts install on-the-spot the dispersion, and random big, it is long to press ETL estimated time of loading.

Summary of the invention

In order to overcome the deficiencies in the prior art, the utility model provides a kind of GEOTHERMAL WATER heating whole unit, the mode of (tail) water and well water mixing is drawn back in employing, solve the prior art GEOTHERMAL WATER heat energy can not make full use of, waste hugely, GEOTHERMAL WATER skewness, equipment adopt install on-the-spot the dispersion, random big, press problems such as ETL estimated time of loading length

The technical scheme that its technical problem that solves the utility model adopts is to disperse erection unit to change whole unit into the GEOTHERMAL WATER heating, with base each parts is coupled together, increase water circulating pump and mixed water pot in the system, mixed water pot places the outlet of circulating pump place, adopts enclosed construction; Husky jar of collection is set in eddy flow sand cleaning machine bottom, collects in husky jar and lay sight glass, collect husky pot bottom and establish the sand excluding valve door; The lower bottom base and the well casing of wellhead assembly are integrally welded, and top and hot well pump line connect as one.Upper and lowerly close connection, between lower bottom base and outlet pipe, set up overflow pipe, the overflow water valve is set on the overflow pipe with the flange disk seal.

Adopting good effect of the present utility model is the frame mode that adopts whole unit, with base each parts is coupled together, and unit is an overall structure, on-the-spot easy for installation, save time, laborsaving, material-saving; The mode of (tail) water and well water mixing is drawn back in employing, makes water yield increase in the heating system, and the heat energy distribution of heating system is even; Motor-driven valve is adopted in the discharging of tail (returning) water, and temperature is lower than design temperature under and prescribes a time limit in system, and water is discharged automatically; When being higher than the motor-driven valve of prescribing a time limit on the design temperature, temperature closes automatically; Be convenient to mix water and draining; Can make system satisfying under the heat supply condition, reduce the power consumption of water pump to greatest extent; Critical piece adopts the line with rubber structure, has strengthened system's corrosion resistance.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified:

Accompanying drawing 1 is the utility model structural representation;

1 base among the figure, 2 circulating pumps, 3 mix water pot, 4 temperature sensors, 5 pressure sensors, 6 delivery ports, 7 water collect tanks, 8 water inlets, 9 eddy flow sand cleaning machines, 10 temperature control draining valves, husky jar of 11 collection, 12 sight glass, 13 sand excluding valve doors, 14 overflow water valves, 15 overflow pipes, 16 outlet pipes, 17 pressure sensors, 18 thermometers, 19 flowing water Valves, well lid on 20,21 upper flange interfaces, the 22 electrical grounding utmost points, 23 cable line outlets, 24 lower bottom bases, 25 lower flanges, 26 deep-well pipes, 27 well pump outlet pipes.

The specific embodiment:

As shown in the figure; Whole system is made up of eddy flow sand cleaning machine (9), mixed water pot (3), circulating pump (2), water collector (7), temperature control draining valve (10) etc., eddy flow sand cleaning machine (9) main body is the circular cone carbon steel structure, be the entrance location of hot water, eddy flow sand cleaning machine (9) outlet is connected with water collector (7).The bottom of hydrocyclone (9) is provided with the collection husky jar (11) of column type, on collection husky jar (11), two sight glass (12) are arranged, be used for observing the husky situation of collection in the collection husky jar (11), lower end at collection husky jar (11) is provided with the sand excluding valve door, sand is opened sand excluding valve door (13) sediment outflow to 1/2 the time when observe collection husky jar (11) from sight glass (12) in; Mixing water pot (3) is cylinder type, the circular arc type end enclosure structure is arranged up and down, be positioned between water collect tank 7 and the circulating pump (2), mixing water pot (3) leg is connected with base (1), water inlet (8) is located at the tank body middle part, delivery port (6) is located at the top of tank body, is provided with pressure sensor 5 and temperature sensor (4) on mixed water pot (3); Circulating pump (2) is located between water collect tank 7 and the mixed water pot (3), the pump that is generally two same specification models is formed, the using and the reserved working method, for the situation of flow system flow greater than 200M3/H, also can adopt dual-purpose one three pump compound modes that are equipped with, locate all to be added with dish valve and connecting hose for the gateway of every pump, in addition, delivery port (6) locates to be added with non-return valve, does not flow backwards when the termination of pumping in order to guarantee recirculated water.The control mode of circulating pump (2) is a frequency control way, can reach and satisfy under the heat supply condition, energy-conservation to greatest extent purpose according to the size of the size adjustment quantity of circulating water of thermic load; Water collect tank (7) is positioned at the backwater position of heating system, the cylinder carbon steel structure, two ends circular arc type end socket welded closure, be used for concentrated water and dispensing water purposes with multichannel water inlet and multichannel water outlet, water collect tank (7) is provided with temperature sensor (4) and pressure sensor (5), is used for satisfying the needs of control automatically and the temperature and pressure parameter at this place of demonstration; Discharging place of tail (returning) water is positioned on the water collect tank (7) of circulating pump water inlet place, on the water collect tank (7) of discharging place of tail (returning) water, motor-driven valve is set, deep-well heat pump and circulating pump (2) all adopt frequency-changing pressure stabilizing control, and the mixed water pot (3) of system equipment, eddy flow sand cleaning machine (9) and connecting line adopt line with rubber anticorrosion process structure.Mix the automatic selection discharge unit of water pot (3) part and tail backwater, circulating pump (2) system can increase the hot water flow of heating system, make the heat energy distribution in the system even, particularly the drawback of heating system part (from place farthest, heating circulating-pump outlet place) is because the easier hot water that obtains of increase of flow; The effect that mixes water pot (3) is to guarantee that the backwater in GEOTHERMAL WATER and the heating system mixes; The effect that the tail backwater is selected to discharge automatically is the low-temperature water heating discharging in guaranteeing heating system and being provided with.Temperature control draining valve (10) is positioned at above the water collector (7), and the tail that is used for heating system returns the discharging of water at low temperature.Deep-well pipe (26) adopts the frame mode that seals with well head lower bottom base (24), and lower bottom base (24) and deep-well pipe (26) are integrally welded, and top and hot well pump's outlet pipe (27) connect as one, and uses ring flange (25) sealing to connect up and down; Between well head lower bottom base (24) and outlet pipe (16), increase overflow pipe (15), in overflow pipe (15) parallel portion overflow water valve (14) is set, when hot well hot water water spraying (well pump termination of pumping or low discharge), hot water enters by overflow pipe (15) and obtains in the outlet pipe of well pump utilizing; Deep well pump cable line outlet (23) adopts special valve orchid, above with contract type clamping screw structure, guarantee hot water can not be from this, overflow; The control needs are satisfied in well pump outlet pipe (16) setting pressure and temperature sensor (17), (18).

When bringing into use, temperature control draining valve is in closed condition, GEOTHERMAL WATER is squeezed in the eddy flow sand cleaning machine by deep well pump as carrier of heat energy, the mixed water pot of flowing through, enter in the heating system again, circulating pump makes the hot water in the system circulate according to the required flow of system, and the heat energy in the hot water is dispersed into indoor by indoor cooling system, reach the purpose of heating.When the temperature of system is reduced under the draining in limited time, the temperature control draining valve is opened automatically, and the cold water of system is discharged, heating system is because discharge pressure reduces, and hot well pump improves rotating speed under the control of constant pressure frequency conversion, big flow in system, replenish hot water, satisfy the heating needs of system.Because system designs by peak load, when outdoor temperature is higher, heating reduces, hot water temperature in the system may surpass temperature-sensing valve the draining upper limit, temperature-sensing valve cuts out, and system pressure raises, and hot well pump is in the control decline slow-speed of revolution of constant pressure frequency conversion, reduce hot water and in system, pounce on the water yield, reach and satisfy under the heating service condition purpose of energy-saving and water-saving to greatest extent.When hot well hot water water spraying (well pump termination of pumping or low discharge), hot water enters by shunt valve and obtains in the outlet pipe of well pump utilizing.

Claims (1)

1. the whole unit of a GEOTHERMAL WATER heating, mainly form by eddy flow sand cleaning machine (9), mixed water pot (3), circulating pump group (2), water collector (7), it is characterized in that being provided with base (1) couples together each parts, unit is an overall structure, increase water circulating pump (2) and mixed water pot (3) in the unit, mix water pot (3) and place the outlet of circulating pump place, adopt enclosed construction; Collection husky jar (11) is set in eddy flow sand cleaning machine (9) bottom, and collection is laid sight glass (12) in husky jar (11), and sand excluding valve door (13) is established in husky jar of (11) bottom of collection; Lower bottom base (24) and well casing are integrally welded, close connection with the flange disk seal up and down; Between lower bottom base (24) and outlet pipe (16), set up overflow pipe (15), overflow water valve (14) is set on the overflow pipe (15).

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