CN202873442U - Double-circulation heat supply system for tobacco seedling raising workshop floating tank - Google Patents
Double-circulation heat supply system for tobacco seedling raising workshop floating tank Download PDFInfo
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- CN202873442U CN202873442U CN2012203869388U CN201220386938U CN202873442U CN 202873442 U CN202873442 U CN 202873442U CN 2012203869388 U CN2012203869388 U CN 2012203869388U CN 201220386938 U CN201220386938 U CN 201220386938U CN 202873442 U CN202873442 U CN 202873442U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model relates to a double-circulation heat supply system for a tobacco seedling raising workshop floating tank. The double-circulation heat supply system comprises a first circulation heating circuit, a second circulation heat supply circuit, a control circuit and a constant temperature water tank, wherein the first circulation heating circuit is in serial connection with a coil heat exchanger in the constant temperature water tank, and the second circulation heat supply circuit is in parallel connection with a water inlet/outlet of the constant temperature water tank. Compared with the prior art, the floating tank uses double-circulation centralized control to be even in heating in a large-area heating process, temperature of the floating tank keep at 35 degrees to save energy, the double-circulation heat supply system is convenient to dismount and replace and can provide growth environments suitable for growth of floating-breeding tobacco seedlings.
Description
Technical field
The utility model relates to specialized cigarette kind seedling nursing device; Be specifically related to the two circulating heat supply systems of a kind of tobacco seedling workshop floating pool.
Background technology
The floating seedlings work at tobacco seedling workshop all is the February that is performed until next year December since the first year every year; nearly 3 months nursery stage; this period, substantially 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, the key elements such as the 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 time pusher, be transplanted to the land for growing field crops after the cigarette seedling be difficult to early growth and quick tiller, affect 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; Earth source heat pump heating system and air source heat pump heating system Main Problems: 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: the first closed circuit is by → 90 ℃ of hot water → diversion box → constant temperature water tank coil heat exchange → boiler replenishing water casees of boiler heating → boiler heating; 70 ℃ of hot water in each constant temperature water tank of the second closed circuit → pump pressurization squeezes in the circulating line → circulation cooling → heating nursery pond → hot water circuit after time constant temperature water tank → be heated into hot water about 70 ℃ to the constant temperature water tank coil pipe.Finish thus the closed circuit process of a heating, heat radiation, intensification; This result adopts two loop controls, and power consumption is few.But because constant temperature water tank disperses the difficult centralized Control that realizes.
The utility model content
In order to overcome the problems referred to above, technical problem to be solved in the utility model is: provide a kind of tobacco seedling workshop floating pool two circulating heat supply systems.By two centralized Control of following, realize homogeneous heating in the large tracts of land heating process in floating pool, the floating pool 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.
The technical solution of the utility model is: floating pool two circulating heat supply systems in a kind of tobacco seedling workshop comprise the first circulating-heating loop, the second circulation heating loop, control loop and a constant temperature water tank; Coil heat exchanger in the first circulating-heating loop series connection constant temperature water tank; The second circulation heating loop is in parallel with the constant temperature water tank entery and delivery port; Above-mentioned the first circulating-heating loop is: from the coil heat exchanger delivery port in the constant temperature water tank, connect successively boiler replenishing water case, boiler, circulation variable frequency pump, return the coil heat exchanger water inlet that connects in the constant temperature water tank again; Above-mentioned the second circulation heating loop is: from the constant temperature water tank delivery port, through the diversion box of two more parallels the hot water supervisor is divided into the multichannel hot-water branch; Behind a water yield control of the independent series winding of the every road hot-water branch variable frequency pump, correspondence enters a circulating line water inlet in the floating pool; Circulating line delivery port in all floating pools of tobacco seedling workshop is collected to the backwater supervisor through compiling arm, and the backwater supervisor returns through constant pressure tank and connects the constant temperature water tank water inlet; Described constant pressure tank is installed in the constant temperature water tank top, and exceeds constant temperature water tank
8-10Rice; Above-mentioned control loop comprises Single-chip Controlling cabinet and the first temperature sensor that is connected with the Single-chip Controlling cabinet respectively, the second temperature sensor, the first water level detector
,The second water level detector and control terminal; The quantity of the first temperature sensor is: be equipped with one in corresponding each floating pool, the second temperature sensor is installed in and leans on water outlet in the constant temperature water tank, and the first water level detector is installed on the boiler replenishing water case, and the 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 the first motor-operated control valve of leading on the boiler replenishing water case filling pipe, lead to the second motor-operated control valve on the constant pressure tank filling pipe.
Following standard is followed in design of the present utility model:
1) " heating and ventilation and In Air Conditioning Design standard " (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).
Compared with the prior art, advantage of the present utility model.
1, energy saving.The utility model is concentrated design with insulating box, by two centralized Control of following, realizes homogeneous heating in the large tracts of land heating process, and the floating pool temperature stabilization is at 35 ℃.As calculated: 6144 square metres of 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 to greenhouse heating, and the total radiation loss of 4 attached-greenhouse nursery ponds 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 to greenhouse heating, as seen energy-conservationly reached 14%.
2, intelligent: the utility model adopts the control of Single-chip Controlling cabinet realization system, need not personnel on duty, the Temperature Setting automatic constant-temperature, and automatic water supplement, 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 procedure.
4, modularization: all floating pools of tobacco seedling workshop are by module combinations, and the circulating line delivery port in the floating pool is collected to the backwater supervisor 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 system architecture schematic diagram of the present utility model.
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 pools; 9 circulating lines; 10 compile arm; 11 backwater supervisor; 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.
Embodiment
Describe the utility model below in conjunction with accompanying drawing in detail with embodiment.
Floating pool two circulating heat supply systems in a kind of tobacco seedling workshop comprise the first circulating-heating loop, the second circulation heating loop, control loop and a constant temperature water tank 1; Coil heat exchanger in the first circulating-heating loop series connection constant temperature water tank 1; The second circulation heating loop is in parallel with constant temperature water tank 1 entery and delivery port; Above-mentioned the first circulating-heating loop is: from the coil heat exchanger delivery port in the constant temperature water tank 1, connect successively boiler replenishing water case 2, boiler 3, circulation variable frequency pump 4, return the coil heat exchanger water inlet that connects in the constant temperature water tank 1 again; Above-mentioned the second circulation heating loop is: from constant temperature water tank 1 delivery port, through the diversion box 5 of two more parallels the hot water supervisor is divided into multichannel hot-water branch 6; Behind a water yield control of the independent series winding of the every road hot-water branch variable frequency pump 7, correspondence enters circulating line 9 water inlets in the floating pool 8; Circulating line 9 delivery ports in all floating pools of tobacco seedling workshop are collected to backwater supervisor 11 through compiling arm 10, and backwater supervisor 11 connects constant temperature water tank 1 water inlet 12 times through constant pressure tank; Described 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 the first temperature sensor 14 that is connected with Single-chip Controlling cabinet 13 respectively, the second temperature sensor 15, the first water level detector 16
,The second water level detector 17 and control terminal; The quantity of the first temperature sensor 14 is: be equipped with one in corresponding each floating pool 8, the second temperature sensor 15 is installed in the constant temperature water tank 1 by water outlet, the first water level detector 16 is installed on the boiler replenishing water case 2, and the 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 the first motor-operated control valve 18 of leading on boiler replenishing water case 2 filling pipes, lead to the second motor-operated control valve 19 on constant pressure tank 12 filling pipes.
In order to prevent the gyp in the first circulating-heating loop, the utility model is also set up a cover water treatment facilities 20 leading to boiler replenishing water case 2 filling pipes.
Claims (2)
1. the two circulating heat supply systems of tobacco seedling workshop floating pool comprise the first circulating-heating loop, 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 circulating-heating loop series connection constant temperature water tank (1); The second circulation heating loop is in parallel with constant temperature water tank (1) entery and delivery port; Above-mentioned the first circulating-heating loop is: from the coil heat exchanger delivery port in the constant temperature water tank (1), connect successively boiler replenishing water case (2), boiler (3), circulation variable frequency pump (4), return the coil heat exchanger water inlet that connects in the constant temperature water tank (1) again; Above-mentioned the second circulation heating loop is: from constant temperature water tank (1) delivery port, through the diversion box (5) of two more parallels the hot water supervisor is divided into multichannel hot-water branch (6); Behind the independent water yield control variable frequency pump of series winding of every road hot-water branch (7), correspondence enters circulating line (9) water inlet in the floating pool (8); Circulating line (9) delivery port in all floating pools of tobacco seedling workshop is collected to backwater supervisor (11) through compiling arm (10), and backwater supervisor (11) returns through constant pressure tank (12) and connects constant temperature water tank (1) water inlet; Described 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 the first temperature sensor (14) that is connected with Single-chip Controlling cabinet (13) respectively, the second temperature sensor (15), the first water level detector (16)
,The second water level detector (17) and control terminal; The quantity of the first temperature sensor (14) is: be equipped with one in corresponding each floating pool (8), the second temperature sensor (15) is installed in the constant temperature water tank (1) by water outlet, the first water level detector (16) is installed on the boiler replenishing water case (2), and the 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 the first motor-operated control valve (18) of leading on boiler replenishing water case (2) filling pipe, lead to the second motor-operated control valve (19) on constant pressure tank (12) filling pipe.
2. two circulating heat supply systems of tobacco seedling according to claim 1 workshop floating pool, it is characterized in that: there is a cover water treatment facilities (20) described leading on boiler replenishing water case (2) filling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203869388U CN202873442U (en) | 2012-08-07 | 2012-08-07 | Double-circulation heat supply system for tobacco seedling raising workshop floating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203869388U CN202873442U (en) | 2012-08-07 | 2012-08-07 | Double-circulation heat supply system for tobacco seedling raising workshop floating tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202873442U true CN202873442U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203869388U Expired - Fee Related CN202873442U (en) | 2012-08-07 | 2012-08-07 | Double-circulation heat supply system for tobacco seedling raising workshop floating tank |
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| CN (1) | CN202873442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299892A (en) * | 2013-07-01 | 2013-09-18 | 湖南农业大学 | Cluster-type water temperature control system for floating tobacco seedling growing pond |
| CN104542327A (en) * | 2015-01-08 | 2015-04-29 | 山东格瑞德集团有限公司 | Water drinking system for dairy cattle of dairy cattle farm |
-
2012
- 2012-08-07 CN CN2012203869388U patent/CN202873442U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299892A (en) * | 2013-07-01 | 2013-09-18 | 湖南农业大学 | Cluster-type water temperature control system for floating tobacco seedling growing pond |
| CN103299892B (en) * | 2013-07-01 | 2014-12-17 | 湖南农业大学 | Cluster-type water temperature control system for floating tobacco seedling growing pond |
| CN104542327A (en) * | 2015-01-08 | 2015-04-29 | 山东格瑞德集团有限公司 | Water drinking system for dairy cattle of dairy cattle farm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20140807 |
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| EXPY | Termination of patent right or utility model |