CN102792862A - Dual-cycle heat supply system for floating pond of tobacco seedling workshop - Google Patents

Dual-cycle heat supply system for floating pond of tobacco seedling workshop Download PDF

Info

Publication number
CN102792862A
CN102792862A CN2012102775547A CN201210277554A CN102792862A CN 102792862 A CN102792862 A CN 102792862A CN 2012102775547 A CN2012102775547 A CN 2012102775547A CN 201210277554 A CN201210277554 A CN 201210277554A CN 102792862 A CN102792862 A CN 102792862A
Authority
CN
China
Prior art keywords
water
constant temperature
water tank
temperature water
tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012102775547A
Other languages
Chinese (zh)
Inventor
周志成
杨虹琦
李宏光
彭细桥
谢方平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENZHOU Co Ltd OF HUNAN TOBACCO Co Ltd
Hunan Agricultural University
Original Assignee
CHENZHOU Co Ltd OF HUNAN TOBACCO Co Ltd
Hunan Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHENZHOU Co Ltd OF HUNAN TOBACCO Co Ltd, Hunan Agricultural University filed Critical CHENZHOU Co Ltd OF HUNAN TOBACCO Co Ltd
Priority to CN2012102775547A priority Critical patent/CN102792862A/en
Publication of CN102792862A publication Critical patent/CN102792862A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

Abstract

The invention relates to a dual-cycle heat supply system for a floating pond of a tobacco seedling workshop. The dual-cycle heat supply system for the floating pond of the tobacco seedling workshop comprises a first cycle heating loop, a second cycle heat supply loop, a control loop and a constant-temperature water tank, wherein the first cycle heating loop is in series connected with a coil heat exchanger inside the constant-temperature water tank; and the second cycle heat supply loop is in parallel connected with the water inlet and water outlet of the constant-temperature water tank. Compared with the prior art, the system provided by the invention has the advantages that uniform heating is achieved in the floating pond during a large-area heating process through the dual-cycle centralized control, so that the temperature of the floating pond is stabilized at 35 DEG C; the dual-cycle heat supply system is energy-saving and convenient to dismount and change; besides, a growth environment suitable for tobacco floating seedlings to grow sturdily is created.

Description

The two circulating heat supply systems in floating pond, tobacco seedling workshop
Technical field
The present invention relates to specialized cigarette kind seedling nursing device; Be specifically related to the two circulating heat supply systems in floating pond, a kind of tobacco seedling workshop.
Background technology
All be the February that is performed until next year December since the first year floating seedlings work every year at tobacco seedling workshop; Nearly 3 months nursery stage; This period, basically between 0 to 15 ℃, the extreme temperature that often has about-5 ℃ occurred in the general temperature in south.And the preference temperature of tobacco seedling growth is 22 ℃-28 ℃, but under natural environment or in the general booth, key elements such as temp. and humidity that need in the tobacco seedling growth process this period and illuminance are uncontrollable.Therefore, the cigarette seedling can not normally be emerged and grow, and high stem strong seedling cultivation rate is low; Can not bring out strong sprout for transplanting at normal nursery stage, often cause seedling age long, the cigarette seedling is thin and weak; The transplanting after date pushes away, be transplanted to the land for growing field crops after the cigarette seedling be difficult to early growth and quick tiller, influence the quality and the style characteristic of tobacco leaf.
The growing environment that prior art will provide a kind of suitable cigarette seedling to grow up strong and sturdy needs in the tobacco seedling workshop.Mainly be to increase heating system; Heating system is divided earth source heat pump heating system, air source heat pump heating system and boiler hot-water heating system at present; The subject matter that earth source heat pump heating system and air source heat pump heating system exist: construction, maintenance and operating cost are high, DeGrain.The boiler hot-water heating system adopts the two circulation heatings of normal-pressure hot-water boiler, that is: first closed circuit is through → 90 ℃ of hot water → diversion box → constant temperature water tank coil pipe heat exchange → boiler replenishing water casees of boiler heating → boiler heating; 70 ℃ of hot water in each constant temperature water tank of second closed circuit → pump pressurization squeezes in the circulating line → cycle heat radiation → heating nursery pond → hot water circuit after time constant temperature water tank → be heated into the hot water about 70 ℃ to the constant temperature water tank coil pipe.Accomplish the closed circuit process of a heating, heat radiation, intensification thus; This result adopts two loop controls, and power consumption is few.But because constant temperature water tank disperses the difficult centralized Control that realizes.
Summary of the invention
In order to overcome the problems referred to above, technical problem to be solved by this invention is: provide floating pond, a kind of tobacco seedling workshop two circulating heat supply systems.In floating pond, through two centralized Control of following, realize homogeneous heating in the large tracts of land heating process, floating pond temperature stabilization is at 35 ℃, and is energy-conservation, is convenient to dismounting and change; Build the grow up strong and sturdy growing environment of needs of a kind of suitable tobacco floating seed rearing seedling.
Technical scheme of the present invention is: the two circulating heat supply systems in floating pond, a kind of tobacco seedling workshop comprise the first circulation heating circuit, the second circulation heating loop, control loop and a constant temperature water tank; Coil heat exchanger in the first circulation heating circuit series connection constant temperature water tank; The second circulation heating loop is parallelly connected with the constant temperature water tank entery and delivery port; The above-mentioned first circulation heating circuit is: the coil heat exchanger delivery port in constant temperature water tank begins, and connects boiler replenishing water case, boiler, circulation variable frequency pump successively, returns the coil heat exchanger water inlet that connects in the constant temperature water tank again; The above-mentioned second circulation heating loop is: begin from the constant temperature water tank delivery port, through the diversion box of parallel connection more than two hot water is responsible for the demultiplexing hot-water branch; Behind a water yield control of the independent polyphone of the every road hot-water branch variable frequency pump, the corresponding circulating line water inlet that gets in the floating pond; Circulating line delivery port in all floating ponds, tobacco seedling workshop is collected to the backwater person in charge through compiling arm, and backwater is responsible for through constant pressure tank and is returned connection constant temperature water tank water inlet; Above-mentioned control loop comprises Single-chip Controlling cabinet and first temperature sensor that is connected with the Single-chip Controlling cabinet respectively, second temperature sensor, first water level detector ,Second water level detector and control terminal; The quantity of first temperature sensor is: be equipped with one in corresponding each floating pond, second temperature sensor is installed in and leans on the delivery port place in the constant temperature water tank, and first water level detector is installed on the boiler replenishing water case, and second water level detector is installed on the constant pressure tank; Described control terminal comprises the circulation variable frequency pump ,Many water yield control variable frequency pumps; Also comprise first motor-operated control valve that leads on the boiler replenishing water case filling pipe, lead to second motor-operated control valve on the constant pressure tank filling pipe.
Following standard is followed in design of the present invention:
1) " heating and ventilation and air conditioning design specification " (GB50019-2003);
2) " Code for design of building water supply and sewerage " (GB50015-2003);
3) " swimming pool and water recreation pond water supply and drainage design discipline " (CECS14:2002);
4) " standard for water supply and sewerage drawing " (GB/T50106-2001);
5) " building water supply and drainage and heating engineering construction quality acceptance specification " (GB50242-2002);
6) " greenhouse heating system design specification " (JB/T10297-2001).
Compare advantage of the present invention with prior art.
1, energy saving.The present invention concentrates design with insulating box, through two centralized Control of following, realizes homogeneous heating in the large tracts of land heating process, and floating pond temperature stabilization is at 35 ℃.Through calculating: 6144 square metres of one 4 attached-greenhouse nursery pond gross areas, its radiation loss is 408991.39w, greenhouse heat dissipation capacity: 719881.79w; When the heating system heating efficiency is 70%; System's heating demand is 1028402.56W; 44 attached-greenhouse greenhouse heating loads are 4113610.23W; Need configuration 4.2MW normal-pressure hot-water boiler that the greenhouse is heated, and the total radiation loss of one 4 attached-greenhouse nursery pond of prior art minimum be 504907w, the greenhouse heat dissipation capacity still is: 719881.79w; When the heating system heating efficiency still was 70%, system's heating demand was 1224788.79W, and 44 attached-greenhouse greenhouse heating loads are 4899155.16W, needed configuration 4.9MW normal-pressure hot-water boiler that the greenhouse is heated, and visiblely energy-conservationly reached 14%.
2, intelligent: the present invention adopts the control of Single-chip Controlling cabinet realization system, and it is on duty to need not personnel, and temperature is set automatic constant-temperature, automatic water supplement, and the discharge variable frequency adjustment is automatic, and is easy and simple to handle, and repair and maintenance are convenient.
3, safety: contamination-free is discharged in the use.
4, modularization: all floating ponds, tobacco seedling workshop are through module combinations, and the circulating line delivery port in the floating pond is collected to the backwater person in charge through compiling arm, is convenient to dismounting and change; Build the grow up strong and sturdy growing environment of needs of a kind of suitable tobacco floating seed rearing seedling.
Description of drawings
Fig. 1 is a system architecture sketch map of the present invention.
Reference numeral is: 1 constant temperature water tank; 2 boiler replenishing water casees; 3 boilers; 4 circulation variable frequency pumps; 5 diversion boxs; 6 hot-water branches; 7 water yields control variable frequency pump; 8 floating ponds; 9 circulating lines; 10 compile arm; 11 backwater are responsible for; 12 constant pressure tanks; 13 Single-chip Controlling cabinets; 14 first temperature sensors; 15 second temperature sensors; 16 first water level detectors; 17 second water level detectors; 18 first motor-operated control valves; 19 second motor-operated control valves; 20 water treatment facilities 20.
Embodiment
Describe the present invention below in conjunction with accompanying drawing in detail with embodiment.
The two circulating heat supply systems in floating pond, a kind of tobacco seedling workshop comprise the first circulation heating circuit, the second circulation heating loop, control loop and a constant temperature water tank 1; Coil heat exchanger in the first circulation heating circuit series connection constant temperature water tank 1; The second circulation heating loop is parallelly connected with constant temperature water tank 1 entery and delivery port; The above-mentioned first circulation heating circuit is: the coil heat exchanger delivery port in constant temperature water tank 1 begins, and connects boiler replenishing water case 2, boiler 3, circulation variable frequency pump 4 successively, returns the coil heat exchanger water inlet that connects in the constant temperature water tank 1 again; The above-mentioned second circulation heating loop is: begin from constant temperature water tank 1 delivery port, through the diversion box 5 of parallel connection more than two hot water is responsible for demultiplexing hot-water branch 6; Behind a water yield control of the independent polyphone of the every road hot-water branch variable frequency pump 7, corresponding circulating line 9 water inlets that get in the floating pond 8; Circulating line 9 delivery ports in all floating ponds, tobacco seedling workshop are collected to the backwater person in charge 11 through compiling arm 10, and backwater is responsible for 11 through 12 times connections of constant pressure tank constant temperature water tank, 1 water inlet; Said constant pressure tank 12 is installed in constant temperature water tank 1 top, and exceeds constant temperature water tank 18-10 rice; Above-mentioned control loop comprises Single-chip Controlling cabinet 13 and first temperature sensor 14 that is connected with Single-chip Controlling cabinet 13 respectively, second temperature sensor 15, first water level detector 16 ,Second water level detector 17 and the control terminal; The quantity of first temperature sensor 14 is: be equipped with one in corresponding each floating pond 8; Second temperature sensor 15 is installed in and leans on the delivery port place in the constant temperature water tank 1; First water level detector 16 is installed on the boiler replenishing water case 2, and second water level detector 17 is installed on the constant pressure tank 12; Described control terminal comprises circulation variable frequency pump 4 ,Many water yield control variable frequency pumps 7; Also comprise first motor-operated control valve 18 that leads on boiler replenishing water case 2 filling pipes, lead to second motor-operated control valve 19 on constant pressure tank 12 filling pipes.
In order to prevent the gyp of the first circulation heating circuit, the present invention also sets up a cover water treatment facilities 20 leading on boiler replenishing water case 2 filling pipes.

Claims (2)

1. the two circulating heat supply systems in floating pond, a tobacco seedling workshop comprise the first circulation heating circuit, the second circulation heating loop, control loop and a constant temperature water tank (1); It is characterized in that: the coil heat exchanger in the first circulation heating circuit series connection constant temperature water tank (1); The second circulation heating loop is parallelly connected with constant temperature water tank (1) entery and delivery port; The above-mentioned first circulation heating circuit is: the coil heat exchanger delivery port in constant temperature water tank (1) begins, and connects boiler replenishing water case (2), boiler (3), circulation variable frequency pump (4) successively, returns the coil heat exchanger water inlet that connects in the constant temperature water tank (1) again; The above-mentioned second circulation heating loop is: begin from constant temperature water tank (1) delivery port, through the diversion box (5) of parallel connection more than two hot water is responsible for demultiplexing hot-water branch (6); Behind the independent water yield control variable frequency pump of polyphone of every road hot-water branch (7), corresponding circulating line (9) water inlet that gets in the floating pond (8); Circulating line (9) delivery port in all floating ponds, tobacco seedling workshop is collected to the backwater person in charge (11) through compiling arm (10), and backwater is responsible for (11) and is returned connection constant temperature water tank (1) water inlet through constant pressure tank (12); Said constant pressure tank (12) is installed in constant temperature water tank (1) top, and exceeds constant temperature water tank (1) 8-10 rice; Above-mentioned control loop comprises Single-chip Controlling cabinet (13) and first temperature sensor (14) that is connected with Single-chip Controlling cabinet (13) respectively, second temperature sensor (15), first water level detector (16) ,Second water level detector (17) and control terminal; The quantity of first temperature sensor (14) is: be equipped with one in corresponding each floating pond 8; Second temperature sensor (15) is installed in and leans on the delivery port place in the constant temperature water tank (1); First water level detector (16) is installed on the boiler replenishing water case (2), and second water level detector (17) is installed on the constant pressure tank (12); Described control terminal comprises circulation variable frequency pump (4) ,Many water yield control variable frequency pumps 7; Also comprise first motor-operated control valve (18) that leads on boiler replenishing water case (2) filling pipe, lead to second motor-operated control valve (19) on constant pressure tank (12) filling pipe.
2. the two circulating heat supply systems in floating pond, tobacco seedling according to claim 1 workshop is characterized in that: there is a cover water treatment facilities (20) said leading on boiler replenishing water case (2) filling pipe.
CN2012102775547A 2012-08-07 2012-08-07 Dual-cycle heat supply system for floating pond of tobacco seedling workshop Pending CN102792862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012102775547A CN102792862A (en) 2012-08-07 2012-08-07 Dual-cycle heat supply system for floating pond of tobacco seedling workshop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012102775547A CN102792862A (en) 2012-08-07 2012-08-07 Dual-cycle heat supply system for floating pond of tobacco seedling workshop

Publications (1)

Publication Number Publication Date
CN102792862A true CN102792862A (en) 2012-11-28

Family

ID=47192370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012102775547A Pending CN102792862A (en) 2012-08-07 2012-08-07 Dual-cycle heat supply system for floating pond of tobacco seedling workshop

Country Status (1)

Country Link
CN (1) CN102792862A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105594576A (en) * 2016-03-03 2016-05-25 山东临沂烟草有限公司 Integrated control system of heaters

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB209251A (en) * 1922-11-17 1924-01-10 Henri Moreau Improved method of and apparatus for central heating
GB1529680A (en) * 1975-12-12 1978-10-25 British Gas Corp Central heating systems
BE885768R (en) * 1980-10-17 1981-02-16 Hulle Maurits Van Energy savings on central heating installation
US4287723A (en) * 1979-03-05 1981-09-08 Rene Dosmond Central heating and/or sanitary or industrial hot-water production installation
FR2542426A1 (en) * 1983-03-07 1984-09-14 Comp Generale Electricite Method of regulating a central heating installation of an enclosure
CN1118423A (en) * 1995-06-13 1996-03-13 杜辛倪 Automatic constant temperature central water heating system
CN1896673A (en) * 2006-06-20 2007-01-17 青岛大学 Controllable bi-circulating hot-pipe system
CN201062838Y (en) * 2007-07-21 2008-05-21 冯太和 Central heating system for thermoelectric plant circulating water

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB209251A (en) * 1922-11-17 1924-01-10 Henri Moreau Improved method of and apparatus for central heating
GB1529680A (en) * 1975-12-12 1978-10-25 British Gas Corp Central heating systems
US4287723A (en) * 1979-03-05 1981-09-08 Rene Dosmond Central heating and/or sanitary or industrial hot-water production installation
BE885768R (en) * 1980-10-17 1981-02-16 Hulle Maurits Van Energy savings on central heating installation
FR2542426A1 (en) * 1983-03-07 1984-09-14 Comp Generale Electricite Method of regulating a central heating installation of an enclosure
CN1118423A (en) * 1995-06-13 1996-03-13 杜辛倪 Automatic constant temperature central water heating system
CN1896673A (en) * 2006-06-20 2007-01-17 青岛大学 Controllable bi-circulating hot-pipe system
CN201062838Y (en) * 2007-07-21 2008-05-21 冯太和 Central heating system for thermoelectric plant circulating water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105594576A (en) * 2016-03-03 2016-05-25 山东临沂烟草有限公司 Integrated control system of heaters
CN105594576B (en) * 2016-03-03 2018-06-29 山东临沂烟草有限公司 A kind of heater integrated control system

Similar Documents

Publication Publication Date Title
CN102845264A (en) Tobacco floating seedling strong seedling cultivation warming system
CN104089416B (en) A kind of solar water heater system that sunlight booth heat accumulation and ventilatory are provided
CN202873442U (en) Double-circulation heat supply system for tobacco seedling raising workshop floating tank
CN102792864A (en) Device and method for heating soil in sunlight greenhouse by solar energy
CN103385137A (en) Temperature adjusting system used for nursery ponds, greenhouses and rice fields
CN109348928A (en) A kind of corn planting nursery box
CN102792862A (en) Dual-cycle heat supply system for floating pond of tobacco seedling workshop
KR101317940B1 (en) Farm type seawater heat source of heat pump system
CN206686592U (en) The hot coordinated regulation system of greenhouse liquid manure
CN204742042U (en) Solar energy warmhouse booth's constant temperature and heating system
CN202444985U (en) Water heating system for fishpond
CN204268248U (en) The LED plant lamp that a kind of photochromic ratio is adjustable
CN204132074U (en) Planting greenhouse seedbed heating system
CN209073238U (en) A kind of demister in Macrobrachium rosenbergii breeding greenhouse
CN208387439U (en) A kind of energy-saving and environment-friendly temperature control arable farming bed
CN203152138U (en) Capillary heat supply equipment for cultivation, cultivation bed and cultivation greenhouse
CN205213890U (en) Fish breed station circulating water processing system that releases
CN205389737U (en) Intelligent greenhouse big -arch shelter constant temperature water supply equipment
CN202773573U (en) Warming system for strong seedling raising of tobacco leaves through float breeding
CN204929807U (en) A kind of large area seedling system based on earth source heat pump
CN103202211B (en) Tobacco seedling system
CN202819167U (en) Atmospheric pressure hot water boiler system for growing seedings
CN203980676U (en) A kind of solar water heater system that sunlight booth heat accumulation and ventilatory are provided
CN203167748U (en) Tobacco seedling culturing system
CN203369249U (en) Automatic temperature control and heat exchange device for fish seedling cultivation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20121128