CN205279521U - Hot pump control system device in modified ground source - Google Patents

Abstract

The utility model discloses a hot pump control system device in modified ground source, construct and construct customer side heat -conducting disc pipe, heating boiler and the cooling tower that uses water piping connection with ground pipe burying machine respectively including ground pipe burying machine, ground pipe burying machine constructs first intake return circuit and first the water loop that includes with the customer side heat -conducting disc union coupling, the second be connected with heating boiler intake return circuit and second play water loop, the third be connected with the cooling tower intake return circuit and third play water loop, the second is intake return circuit and third and is intake the return circuit respectively through a heat conduction mechanism and the 2nd heat conduction mechanism and first water loop contact, the first return circuit that intakes, first water loop, the second return circuit that intakes, the second goes out the water loop, the third is intake and is provided with the heat indicator in return circuit and the third play water loop respectively. The utility model discloses the not enough of prior art can be improved, earth source heat pump combination system's the thermal efficiency has been improved.

Description

A kind of ground source heat apparatus for controlling pump of improvement

Technical field

This utility model relates to energy technology field, the ground source heat apparatus for controlling pump of especially a kind of improvement.

Background technology

Earth source heat pump be one utilize geothermal resource (be also called ground can, including subsoil water, soil and surface water etc.) not only can heat supply but also the high efficiency energy saving air conditioner equipment that can freeze. Owing in the winter time and summer, energy temperature-difference change in ground is little, and soil or water temperature are 12-22 DEG C winter, and temperature is higher than ambient temperature; Summer temp is 18-32 DEG C, temperature is lower than ambient temperature, earth source heat pump utilizes material to absorb heat when being changed into gas by liquid, is converted to the principle of liquid meeting heat release by gas, in winter, by the thermal energy conduction in water body or soil to indoor, in summer, indoor temperature is transmitted in water body or soil, reaches in heating in winter or in the purpose of cooling in summer. In order to ensure the thermal source/low-temperature receiver supply of abundance, earth source heat pump generally with external heat/refrigeration plant is used in combination. But, the existing earth source heat pump association system thermal efficiency is low, and substantial amounts of non-renewable energy resources are wasted.

Utility model content

The technical problems to be solved in the utility model is to provide the ground source heat apparatus for controlling pump of a kind of improvement, it is possible to solves the deficiencies in the prior art, improves the thermal efficiency of earth source heat pump association system.

For solving above-mentioned technical problem, technical solution adopted in the utility model is as follows.

A kind of ground source heat apparatus for controlling pump of improvement, including underground pipe mechanism and use the user side heat conduction coil pipe that is connected of water pipe with underground pipe mechanism respectively, heating boiler and cooling tower, the first water inlet loop and first that described underground pipe mechanism includes being connected with user side heat conduction coil pipe goes out water loop, the the second water inlet loop and second being connected with heating boiler goes out water loop, the 3rd water inlet loop and the 3rd being connected with cooling tower goes out water loop, second water inlet loop goes out water loop with the 3rd water inlet loop contact respectively through the first heat-conducting mechanism and the second heat-conducting mechanism and first, first water inlet loop, first goes out water loop, second water inlet loop, second goes out water loop, 3rd water inlet loop and the 3rd goes out to be respectively arranged with water thermometer in water loop, first heat-conducting mechanism includes the first heat conduction cavity, is connected to blade by electric rotating machine in the first thermal conductive cavity body, second heat-conducting mechanism includes the second heat conduction cavity, vacuum is kept in second thermal conductive cavity body, the internal diameter of the second heat conduction cavity is from top to bottom gradually reduced, and is connected to thermal conductive metal plate, the inwall selective contact of thermal conductive metal plate and the second heat conduction cavity by hydraulic stem in the second thermal conductive cavity body.

As preferably, being provided with thermal insulation layer between described first heat-conducting mechanism and the second heat-conducting mechanism.

As preferably, the inwall of described first heat conduction cavity is provided with the diversion cavity being connected with the first heat conduction cavity, it is provided with intermeshing travelling gear and passive impeller in diversion cavity, is provided with actively impeller in the first thermal conductive cavity body, is connected by power transmission shaft between travelling gear with active impeller.

As preferably, being fixed with torsion spring outside described thermal conductive metal plate, one end of arc metal plate is fixed on thermal conductive metal plate, and the other end of thermal conductive metal plate is fixed on torsion spring.

As preferably, the inwall of described second heat conduction cavity is provided with spiral guide slot, and the sidewall of spiral guide slot is provided with some layers of slot, and the top of slot is provided with the arc cavity being upturned.

The control method of a kind of ground source heat apparatus for controlling pump using above-mentioned improvement, comprises the following steps:

A, recirculated water go out water loop internal circulation flow in the first water inlet loop and first, use underground pipe mechanism that user side is carried out temperature adjustment; When Heating Season, when the local in-house thermal source of pipe laying can not meet the heat demand amount of user side, start in heating boiler pipe laying mechanism over the ground and carry out heat supplement, utilize the first heat-conducting mechanism that the first water inlet loop is carried out conduction of heat simultaneously; When freezing season, when the local in-house low-temperature receiver of pipe laying can not meet the refrigeration requirement amount of user side, carry out cold in startup cooling tower pipe laying mechanism over the ground and supplement, utilize the second heat-conducting mechanism that the first water inlet loop is carried out conduction of heat simultaneously.

B, when being in Heating Season, thermal conductive metal plate is positioned at the top of the second heat conduction cavity under the drive of hydraulic stem, is separated with the inwall of the second heat conduction cavity, is filled with conduction oil in the first thermal conductive cavity body, and blade rotates under the drive of electric rotating machine; The rotating speed of blade is drawn through the first computing transmitting function F (t) by the target temperature of user side, and the form of the first transmission function F (t) is,

F (t)=At²+Bt+C

Wherein, t is user side target temperature, A is that B is the second water inlet loop and the second function that the temperature difference is variable going out water loop, and C is the function that mean temperature is variable in underground pipe mechanism with the first water inlet loop and the first temperature difference function for variable going out water loop;

C, when being in refrigeration season, thermal conductive metal plate moves down under the drive of hydraulic stem, and the contact internal walls of the second heat conduction cavity, is extracted out by the conduction oil in the first thermal conductive cavity body, and blade stops operating; The computing that function G (t) is transmitted by the target temperature of user side in the position of hydraulic stem through the draws, the form of the second transmission function G (t) is,

G (t)=Xt²+Yt+Z

Wherein, t is user side target temperature, X is that Y is the 3rd water inlet loop and the 3rd function that the temperature difference is variable going out water loop, and Z is the function that mean temperature is variable in underground pipe mechanism with the first water inlet loop and the first temperature difference function for variable going out water loop.

What employing technique scheme was brought has the beneficial effects that: this utility model adopts earth source heat pump, boiler and cooling tower associated working, it is achieved the seriality that user side temperature adjusts. Boiler and cooling tower are when carrying out auxiliary homoiothermic, it not directly user side is operated, but carry out indirect homoiothermic by earth source heat pump, by the earth source heat pump buffering for heat, the work process that can make boiler and cooling tower is more nearly high efficiency range, reduce thermal loss, thus significantly improving the thermal efficiency of earth source heat pump association system simultaneously. Boiler and user's water inlet end carry out conduction of heat by the mode of the oil circulation of the first heat-conducting mechanism, can be effectively improved water inlet end directly absorb heat and occur aeration current circulation problem, cooling tower and user's water inlet end carry out conduction of heat by the metal way of contact of the second heat-conducting mechanism, efficiency is high, and vacuum heat-insulation can be realized when not using, it is to avoid the heat play of boiler side and cooling tower side. First heat conduction cavity utilizes self flowing of fluid, changes direction of rotation by the engagement of gear, thus realizing fluid flowing in opposite directions in the first thermal conductive cavity body, improves the uniformity of oil liquid temperature. Arc metal plate when thermal conductive metal plate twists, can improve the linear degree of contact area change between thermal conductive metal plate. Spiral guide slot can avoid the relative movement of thermal conductive metal plate, and improves the contact area between thermal conductive metal plate, improves heat transfer efficiency. By the control method using this utility model to provide, it is possible to effectively reduce the interference for temperature-controlling system of each variable, improve the control accuracy of user side actual temperature.

Accompanying drawing explanation

Fig. 1 is the structure chart of one detailed description of the invention of this utility model.

Fig. 2 is the structure chart that in one detailed description of the invention of this utility model, the in-house pipeline of underground pipe is arranged.

Fig. 3 is the structure chart of the first heat-conducting mechanism in one detailed description of the invention of this utility model.

Fig. 4 is the structure chart of one detailed description of the invention Leaf of this utility model.

Fig. 5 is the structure chart of the second heat-conducting mechanism in one detailed description of the invention of this utility model.

Fig. 6 is the structure chart of thermal conductive metal plate in one detailed description of the invention of this utility model.

Fig. 7 is the structure chart of spiral guide slot in one detailed description of the invention of this utility model.

In figure: 1, underground pipe mechanism; 2, user side heat conduction coil pipe; 3, heating boiler; 4, cooling tower; 5, the first water inlet loop; 6, first goes out water loop; 7, the second water inlet loop; 8, second goes out water loop; 9, the 3rd water inlet loop; 10, the 3rd goes out water loop; 11, the first heat-conducting mechanism; 12, the second heat-conducting mechanism; 13, water thermometer; 14, the first heat conduction cavity; 15, electric rotating machine; 16, blade; 17, the second heat conduction cavity; 18, hydraulic stem; 19, thermal conductive metal plate; 20, thermal insulation layer; 21, diversion cavity; 22, passive impeller; 23, active impeller; 24, power transmission shaft; 25, travelling gear; 26, torsion spring; 27, arc metal plate; 28, spiral guide slot; 29, slot; 30, arc cavity; 31, pod apertures; 32, capillary tube

Detailed description of the invention

The standardized element used in this utility model all can be commercially, shaped piece all can carry out customized according to the record with accompanying drawing of description, the concrete connected mode of each part all adopts in prior art the conventional meanses such as ripe bolt, rivet, welding, stickup, is not described in detail in this.

With reference to Fig. 1-7, one detailed description of the invention of this utility model includes underground pipe mechanism 1 and the user side heat conduction coil pipe 2 using water pipe to be connected with underground pipe mechanism 1 respectively, heating boiler 3 and cooling tower 4, the first water inlet loop 5 and first that described underground pipe mechanism 1 includes being connected with user side heat conduction coil pipe 2 goes out water loop 6, the the second water inlet loop 7 and second being connected with heating boiler 3 goes out water loop 8, the 3rd water inlet loop 9 and the 3rd being connected with cooling tower 4 goes out water loop 10, second water inlet loop 7 goes out water loop 6 with the second heat-conducting mechanism 12 with first respectively through the first heat-conducting mechanism 11 with the 3rd water inlet loop 9 and contacts, first water inlet loop 5, first goes out water loop 6, second water inlet loop 7, second goes out water loop 8, 3rd water inlet loop 9 and the 3rd goes out to be respectively arranged with water thermometer 13 in water loop 10, first heat-conducting mechanism 11 includes the first heat conduction cavity 14, is connected to blade 16 by electric rotating machine 15 in the first heat conduction cavity 14, second heat-conducting mechanism 11 includes the second heat conduction cavity 17, vacuum is kept in second heat conduction cavity 17, the internal diameter of the second heat conduction cavity 17 is from top to bottom gradually reduced, it is connected to thermal conductive metal plate 19, the inwall selective contact of thermal conductive metal plate 19 and the second heat conduction cavity 17 by hydraulic stem 18 in second heat conduction cavity 17. it is provided with thermal insulation layer 20 between first heat-conducting mechanism 11 and the second heat-conducting mechanism 12. the inwall of the first heat conduction cavity 14 is provided with the diversion cavity 21 being connected with the first heat conduction cavity 14, intermeshing travelling gear 25 and passive impeller 22 it is provided with in diversion cavity 21, it is provided with actively impeller 23 in first heat conduction cavity 14, is connected by power transmission shaft 24 between travelling gear 25 with active impeller 23. being fixed with torsion spring 26 outside thermal conductive metal plate 19, one end of arc metal plate 27 is fixed on thermal conductive metal plate 19, and the other end of thermal conductive metal plate 19 is fixed on torsion spring 26. the inwall of the second heat conduction cavity 17 is provided with spiral guide slot 28, and the sidewall of spiral guide slot 28 is provided with some layers of slot 29, and the top of slot 29 is provided with the arc cavity 30 being upturned.

Being provided with pod apertures 31 it addition, through on blade 16, the back of the body liquid level at blade 16 is provided with capillary tube 32, and capillary tube 32 connects with pod apertures 31. When fluid is flowed by pod apertures 31, siphonage can be produced in capillary tube 3, thus the fluid that guide blades 16 carries on the back liquid level flows into pod apertures 31. This can improve the fluid impetus to active impeller 23.

A kind of method using above-mentioned ground source heat apparatus for controlling pump to be controlled, comprises the following steps:

A, recirculated water go out water loop 6 internal circulation flow in the first water inlet loop 5 and first, use underground pipe mechanism 1 that user side is carried out temperature adjustment; When Heating Season, when the thermal source in local pipe laying mechanism 1 can not meet the heat demand amount of user side, start in heating boiler 3 pipe laying mechanism 1 over the ground and carry out heat supplement, utilize the first heat-conducting mechanism 11 that first water inlet loop 5 is carried out conduction of heat simultaneously; When freezing season, when the low-temperature receiver in local pipe laying mechanism 1 can not meet the refrigeration requirement amount of user side, carry out cold in startup cooling tower 4 pipe laying mechanism 1 over the ground and supplement, utilize the second heat-conducting mechanism 12 that first water inlet loop 5 is carried out conduction of heat simultaneously.

B, when being in Heating Season, thermal conductive metal plate 19 is positioned at the top of the second heat conduction cavity 17 under the drive of hydraulic stem 18, being separated with the inwall of the second heat conduction cavity 17, be filled with conduction oil in the first heat conduction cavity 14, blade 16 rotates under the drive of electric rotating machine 15; The rotating speed of blade 16 is drawn through the first computing transmitting function F (t) by the target temperature of user side, and the form of the first transmission function F (t) is,

F (t)=At²+Bt+C

Wherein, t is user side target temperature, A is the temperature difference function for variable going out water loop 6 with the first water inlet loop 5 and first, and B is the function that the temperature difference is variable that the second water inlet loop 7 and second goes out water loop 8, and C is the function that mean temperature is variable in underground pipe mechanism 1;

Function A is preferably

$k_1{e}^{\frac{\sqrt[z]{{\mathrm{\Σ}}_{i=1}^n{t}_{{}_{1i}}}}{2{\mathrm{\πk}}_2}},$

t₁It it is the first water inlet loop 5 and first temperature difference of going out water loop 6.

Function B is preferably

k₃��ln(k₄/t₂)

t₂It it is the second water inlet loop 7 and second temperature difference of going out water loop 8.

Function C is preferably

$k_5+k_6\frac{e^{\frac{t_2}{\mathrm{\π}}}}{dt}$

t₃For mean temperature in underground pipe mechanism 1, above-mentioned k₁��k₆For proportionality coefficient.

C, when being in refrigeration season, thermal conductive metal plate 19 moves down under the drive of hydraulic stem 18, and the contact internal walls of the second heat conduction cavity 17, is extracted out by the conduction oil in the first heat conduction cavity 14, and blade 16 stops operating; The computing that function G (t) is transmitted by the target temperature of user side in the position of hydraulic stem 18 through the draws, the form of the second transmission function G (t) is,

G (t)=Xt²+Yt+Z

Wherein, t is user side target temperature, X goes out the temperature difference function for variable of water loop 6 with first loop 5 and first that intakes, and Y is that the 3rd loop 9 and the 3rd that intakes goes out the function that the temperature difference is variable of water loop 10, and Z is the function that mean temperature is variable in underground pipe mechanism 1.

Function X is preferably

$k_8\sqrt{e^{-2k_7{\mathrm{\πt}}_4}}$

t₄It it is the first water inlet loop 5 and first temperature difference of going out water loop 6.

Function Y is preferably

k₉t₅

t₅It it is the 3rd water inlet loop 9 and the 3rd temperature difference that goes out water loop 10.

Function Z is preferably

$t_6^3+{\mathrm{lnk}}_{10}{t}_6$

t₆For with mean temperature in underground pipe mechanism 1. Above-mentioned k₇��k₁₀For proportionality coefficient.

Above-mentioned transmission function can effectively reduce earth source heat pump, boiler and cooling tower cooperation time heat transfer process, the proportionality coefficient operating mode flexible configuration according to running.

Test through actual motion, the heat pump of one group of rated power 120kW, the energy can be saved every year and amount to into standard coal and be about 13 tons.

Wherein, the parts such as underground pipe mechanism described in the utility model, heating boiler, cooling tower, water thermometer belong to common components of the prior art, and its specifically used method is not described in detail in this.

Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.

Claims (5)

1. the ground source heat apparatus for controlling pump improved, including underground pipe mechanism (1) and use user side heat conduction coil pipe (2) that is connected of water pipe with underground pipe mechanism (1) respectively, heating boiler (3) and cooling tower (4), it is characterized in that: the first water inlet loop (5) and first that described underground pipe mechanism (1) includes being connected with user side heat conduction coil pipe (2) goes out water loop (6), the second water inlet loop (7) being connected with heating boiler (3) and second goes out water loop (8), the 3rd water inlet loop (9) being connected with cooling tower (4) and the 3rd goes out water loop (10), second water inlet loop (7) goes out water loop (6) with the second heat-conducting mechanism (12) with first respectively through the first heat-conducting mechanism (11) with the 3rd water inlet loop (9) and contacts, first water inlet loop (5), first goes out water loop (6), second water inlet loop (7), second goes out water loop (8), 3rd water inlet loop (9) and the 3rd goes out to be respectively arranged with water thermometer (13) in water loop (10), first heat-conducting mechanism (11) includes the first heat conduction cavity (14), is connected to blade (16) by electric rotating machine (15) in the first heat conduction cavity (14), second heat-conducting mechanism (11) includes the second heat conduction cavity (17), vacuum is kept in second heat conduction cavity (17), the internal diameter of the second heat conduction cavity (17) is from top to bottom gradually reduced, it is connected to the inwall selective contact of thermal conductive metal plate (19), thermal conductive metal plate (19) and the second heat conduction cavity (17) by hydraulic stem (18) in second heat conduction cavity (17).

2. the ground source heat apparatus for controlling pump of improvement according to claim 1, it is characterised in that: it is provided with thermal insulation layer (20) between described first heat-conducting mechanism (11) and the second heat-conducting mechanism (12).

3. the ground source heat apparatus for controlling pump of improvement according to claim 1, it is characterized in that: the inwall of described first heat conduction cavity (14) is provided with the diversion cavity (21) being connected with the first heat conduction cavity (14), intermeshing travelling gear (25) and passive impeller (22) it is provided with in diversion cavity (21), it is provided with actively impeller (23) in first heat conduction cavity (14), is connected by power transmission shaft (24) between travelling gear (25) with active impeller (23).

4. the ground source heat apparatus for controlling pump of improvement according to claim 1, it is characterized in that: described thermal conductive metal plate (19) outside is fixed with torsion spring (26), one end of arc metal plate (27) is fixed on thermal conductive metal plate (19), and the other end of thermal conductive metal plate (19) is fixed on torsion spring (26).

5. the ground source heat apparatus for controlling pump of improvement according to claim 4, it is characterized in that: the inwall of described second heat conduction cavity (17) is provided with spiral guide slot (28), the sidewall of spiral guide slot (28) is provided with some layers of slot (29), and the top of slot (29) is provided with the arc cavity (30) being upturned.