CN203206886U - Low-roof transverse ventilation cowshed - Google Patents
Low-roof transverse ventilation cowshed Download PDFInfo
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- CN203206886U CN203206886U CN 201320158579 CN201320158579U CN203206886U CN 203206886 U CN203206886 U CN 203206886U CN 201320158579 CN201320158579 CN 201320158579 CN 201320158579 U CN201320158579 U CN 201320158579U CN 203206886 U CN203206886 U CN 203206886U
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Abstract
The utility model relates to a low-roof transverse ventilation cowshed which is formed by the roof, a gable and two lateral walls, wherein the roof is made of double layers of color steel composite plates (1.3), seal processing is performed on joints, and the structure with the small roof height ranging from 30m to 150m and a small depth-span ratio is adopted. The lower portions of the lateral walls and the gable are brick walls (1.1), the upper portions of the lateral walls and the gable are made of color steel composite plates (1.2), and the gable is provided with a door (1.4). A draught fan (2.1) is arranged on one lateral wall, a roll-up window (2.2) with a general length is arranged in the other lateral wall, and an airflow guide plate (2.3) is arranged at the upper portion of the roll-up window, so that airflow can enter the cowshed along a cornice opening. An automatic environment control system is arranged in the cowshed in order to control the operation of the draught fan and other devices to adjust the environment in the cowshed according to actual changes of environmental indexes in the cowshed. By means of the low-roof transverse ventilation cowshed, good heat insulation effect is achieved, utilization efficiency of lands and the devices is improved, energy is saved, the environment is protected, operating cost is remarkably reduced, and a comfortable environment is provided for dairy cows.
Description
Technical field
The utility model belongs to the breeding facility of a kind of ox, specifically is a kind of cowshed.
Background technology
The aquaculture of ox is along with the continuous quickening of scale, modernization, and is also more and more higher to the requirement of each side such as the scale of cowshed, quality, environment control degree.Traditional open or general span of semi open model cowshed is little, is applicable to the middle and small scale cattle farm more, if use in presentization cattle farm, then floor space is bigger than normal.Secondly, because China is vast in territory, each regional weather conditions vary, and open or semi open model cowshed or employing gravity-flow ventilation, adopt malleation force ventilation, environment control effect is affected by the external environment bigger, is difficult to realize the accurate regulation and control to the ox production environment, the aquaculture production efficiency of ox has notable difference because of the difference in geographical position, in time, changes of seasons and constantly fluctuation.Moreover often facility is simple and crude for the open or semi open model cowshed of tradition, and feeding and management is extensive, and milk cow need be used in a part of fodder energy opposing environmental stress and disease, has caused the waste of resource and the pollution of environment.Therefore, press for and propose a kind of can economizing the land resource, can realize the novel energy-saving environment-friendly cowshed of environment in the annual precisely control house again.
Summary of the invention
The purpose of this utility model is at disadvantages of background technology, proposes a kind of low roofing transversal ventilation cowshed, and this cowshed can control effectively to the thermal environment in the cowshed, air ambient, luminous environment, enlarges the scope of application; Economize the land resource; Realize the recycling of energy, energy-saving and environmental protecting when improving milk cow production performance.
The purpose of this utility model is achieved through the following technical solutions.A kind of low roofing transversal ventilation cowshed is proposed, described cowshed is made of roof, gable and both walls, described roof adopts dual-layer colour steel composite board (1.3), and seam crossing carries out encapsulation process, adopts low roof height and the little rise-span ratio structure of span between 30～150m; Described gable and side wall bottom are that brick wall (1.1), top are color-steel composite board (1.2); Air inlet and electric thermal insulating rolling screen door (1.4) are set on the described gable; Arrange blower fan (2.1) on the described side wall, arrange elongated roll-up window (2.2) on another side wall, mounting guiding board (2.3) makes air-flow import in the cowshed along cornice near the described roller shutter; Be provided with the environment automatic control system in the described cowshed, according to the real-time change of environmental index in the house, environment in the house is regulated in the operation of the control described blower fan of circulation and equipment.
Light fixture (3.1) is set in the described cowshed, implements artificial lighting.
Described light fixture (3.1) is metal halid lamp, and setting height(from bottom) is at 1.8～3.6m.
Arrange elongated roll-up window on another side wall of described cowshed, the air inlet position preferably is positioned at side wall top.
On described installation roll-up window one side wall evaporation plate can also be set, air is controlled at 100～130m/min best 122m/min by the maximal rate of this evaporation plate;
Described air inlet is positioned at the top of side wall, make the air that enters cowshed in face of contact milk cow and ground with can give up earlier in hot-air mix intensification; Described rolling screen door (1.4) covers described evaporation plate, makes air inlet be in the evaporation plate middle part, and rolling screen door (1.4) should be rolled up from the top down, makes air inlet be in side wall top all the time.
The maximum functional static pressure control of described blower fan (2.1) is below the 3.8mm water column, and ventilation rate is 60～120s, and when the cowshed span surpassed 91m, ventilation rate was between 180～240s.。
Or/and gas controller (6.2), circulating fan (2.1), the little fog generator of high pressure (7.1) and step-down equipment constitute, described distribution box (5.1) is intrasystem each electric power supply to described environment automatic control system by distribution box (5.1), electric cabinet (5.2), temperature controller (6.1); Described temperature controller is given up interior temperature and harmful gas concentration environmental index or/and gas controller (6.2) is responsible for monitoring in real time, and information is in time fed back to described electric cabinet (5.2); Environment in the house is regulated in the operation of described electric cabinet (5.2) the control little fog generator of described high pressure (7.1).
Described cowshed is provided with excrement aisle (4.1) clearly, and the clear excrement of utilization machinery utilizes manure scraper plate (4.2) fecaluria on the clear excrement aisle to be scraped in the collection excrement canal of cowshed one end or middle part setting, through underground pipe duct the dirty concentrated dirty treatment region of excrement that is transported to of excrement is focused on.
Described cowshed span is 80.30 meters, and length is 279.00 meters, and the cornice height is 4.50m, and the ridge height is 6.18m.Totally 12 be listed as the hurdle that looses in the house, the hair style of per two row Wo Lan is arranged, excrement aisle and the passage of feeding clearly are set; Described deflector material is sunlight board, overall dimensions: length is cowshed length, and width is 1.25m, thickness is 10mm, uses model to be WJN40, and moment of torsion is 400Nm, rotating speed is 5.2R/min, and power is 0.55kw, and voltage is the angle of the Electric Machine Control deflector of 380v.
The beneficial effects of the utility model
Low roofing transversal ventilation cowshed of the present utility model has good heat insulating effect, can reduce the outer solar radiation of house summer to the thermic load of cowshed, reduces temperature in the house, can reduce the cowshed heat radiation winter, improves temperature in the house; Increasing cowshed span is arranged multiple row cattle pen or free Wo Lan in the house, improved the utilization ratio of soil and equipment, strengthens stocking density, and the heat radiation of dependence Niu Zishen improves the temperature in house cold season, energy-saving and environmental protecting; Negative pressure transversal ventilation cooling system can be according to the environmental aspect in the house, dirty gas hot and humid in the house is extracted out outside the house, give up outer fresh air and enter the operation of cooperation cooling system in the cowshed to improve environment in the house, cooperate low Roof Design, ventilation effect strengthens greatly than gravity-flow ventilation, positive draft, and operating cost is significantly lowered; Adopt automatic control system according to the variation of temperature and harmful gas concentration in the house, the operation quantity of corresponding adjustment blower fan and the unlatching of cooling system, thereby guarantee that cowshed keeps steady temperature throughout the year, when running into the emergency of equipment malfunction, the size that the manual adjustment roller shutter is opened can be controlled; Because the rational ventilation in the cowshed, can guarantee that temperature, humidity, toxic and harmful concentration, suspended particulate content are all in the reasonable scope in the house, for milk cow provides an adapt circumstance, reduce to milk cow stress, help to improve productivity and the health status of milk cow.Simultaneously, staff's working environment also improves, and helps to improve enthusiasm for labour and operating efficiency; Artificial lighting is with the needs of the growth of satisfying different vegetative stage milk cows and personal security operation; The clear excrement technology that adopts manure scraper plate+water to dash, the clear excrement time is flexible, and hygiene degree height can guarantee environmental quality in the house, and noise is little, can not produce ox and more greatly stress.
Description of drawings
Fig. 1 is the left side section generalized section of the low roofing transversal ventilation cowshed of the utility model;
The stage casing generalized section of Fig. 2 cowshed;
The right section generalized section of Fig. 3 cowshed;
Fig. 4 control system principle schematic.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, the present invention is described in more detail.
Fig. 1-Fig. 3 is the generalized section of the low roofing transversal ventilation cowshed of the utility model, is divided into the three sections demonstrations in left, center, right.The span scope of cowshed is at 60～150m, can be divided into 8 row formulas, 10 row formulas, 12 row formulas, 16 row formulas, 24 row formulas on apparent.Span design relates to aspect designs such as the horizontal layout, ventilation of cowshed.Adding large span can increase the availability of space, facilities and equipment in the house undoubtedly, reduces cost, and adding large span can also increase the interior stocking density of house, improves the temperature in the cowshed in winter.Yet span is excessive, can propose higher requirement to aspects such as feeding and management, cowshed structures on the one hand, and on the other hand, ventilation effect also can be influenced in the house.Therefore, should select suitable cowshed span according to actual conditions, can not blindly ask big.
Low roofing transversal ventilation cowshed is the sealing cowshed that span is big, stocking density is big, according to heat Balance Calculation and practical experience, as long as guarantee the thermal and insulating performance of cowshed peripheral structure and good environment control and management, rely on cooling methods such as ventilation, spraying summer, rely on ox body self heat production winter, do not need additionally to arrange heating equipment, can guarantee that annual temperature is all within tolerance interval in the cowshed yet.
Low roofing transversal ventilation cowshed is closed cowshed, be provided with house wall 1.1,1.2(She Bi bottom is that brick wall 1.1, top are color-steel composite board 1.2), roof 1.3 and door and window etc.Door on the gable adopts electric thermal insulating rolling screen door 1.4.Evenly arrange blower fan 2.1 on one side wall, arrange elongated roll-up window 2.2 on another side wall.
The diffusing bar cowshed of gravity-flow ventilation is not generally done heat insulation processing, the height that often strengthens the roof is striden to be beneficial to hot-air and is constantly risen and be dispersed into outside the house from the ridge that opens wide, but the interior temperature of house in summer is subjected to the influence of solar radiation easily, and the heat that winter, the ox body produced also scatters and disappears fast, and the environment in the cowshed is heated up contribution not quite.Roofing and body of wall are carried out insulation handle and can reduce thermal radiation to the influence of cowshed summer, can prevent the dewfall phenomenon winter.Therefore, we can say that good thermal and insulating performance is the basis of environmentally advantageous control in the cowshed, also is the powerful guarantee that energy circulation is utilized.
It is good that the thermal and insulating performance of cowshed peripheral structure is wanted, the abutment joint place carried out encapsulation process when the roof adopted color-steel composite board, otherwise seam crossing can be out of shape owing to the long-term corrosion of moisture in the house, and heat-barrier material is separated with steel plate, steel plate dewfall phenomenon occurs.Adopt different spray heat insulating materials as required or adopt the rigidity thermal insulation plate also can avoid the generation of these problems.Should reduce the rise-span ratio on roof and the height on roof as far as possible.
1, ventilates
(1) fan static pressure and ventilation rate
The maximum functional static pressure of low roofing transversal ventilation cowshed blower fan should control below the 3.8mm water column.In hot season, ventilation rate (i.e. the time of air update all in the house) should be 60～120s, and namely the per 60～120s of blower fan will discharge the air in the house fully, be updated to the outer fresh air of house.Ventilation rate in the house need be reduced winter, but the concentration of the interior humidity of house and toxic and harmful must be lowered to greatest extent.The 3m evaporation plate is set on the side wall, and air is 122m/min by the maximal rate of evaporation plate, and general design load is that 106～114m/min is advisable.The height of side wall that the high evaporation plate of 3m needs 4～4.3m is installed, if evaporation plate is not installed, the air velocity of opening wide side wall will increase.The cowshed ventilation rate is initially set in below the 120s, and when span surpassed 91m, ventilation rate can be between 180～240s.
(2) air inlet
Winter, the air inlet of cowshed should be positioned at the top of side wall, make enter cowshed air in face of contact milk cow and ground with can give up earlier in hot-air mix intensification.Also can adopt roller shutter to cover evaporation plate, this just makes air inlet be in the evaporation plate middle part, goes up roller shutter and can adjust automatically along with static pressure increases, and increases the air inlet size.If adopt the monovolume curtain, should roll up from the top down, make air inlet be in side wall top all the time.Also having a kind of selection scheme is under the situation of using the monovolume curtain, reserves 45～60cm opening above roller shutter.Can make cold air directly contact milk cow and passage ground if air inlet is set below evaporation plate, and when ice and snow covers air inlet, will have to improve the air inlet position.
(3) deflector
Quantity and mode that air enters cowshed all can have influence on ventilation effect, and sometimes, the latter is even more important.Should allow winter cold air advance house along the roof as far as possible, mix the back with the hot-air of dirt and absorb the house temperature, carry unwanted material such as large quantity of moisture and carbonic acid gas then and flow out, avoid draught.Should allow the raising face of air-flow by most of oxen summer, be conducive to reduce the sendible temperature of the gentle ox of house like this.The angles of the interior static pressure of the air motion direction in the cowshed and house, air inlet position, air inlet shape and deflector etc. are closely related.Yet, because low roofing transversal ventilation cowshed span is bigger, cause cowshed air intake and outlet air end that greatest differences is being arranged aspect temperature, humidity, the air quality for fear of flowing to ground too early after air-flow advances house, the design of deflector is key.
As shown, deflector 2.3 is injected air-flow subsides top and is given up interior (summer, the spraying with the generation of house internal spraying generator mixed the back mutually), pass through the rest zone of ox to greatest extent, thereby improve aeration-cooling effect, the operating cost of reduction circulating fan.Deflector should be selected material firm, that maintain easily, the accidental damage that operation that also will prevent night soil collector etc. causes.Deflector generally is installed near the column of air inlet, preferably makes special travel(l)ing rest, with convenient angle according to the corresponding adjusting deflector of the outer temperature of house.
2, adjustment
Winter, cowshed did not have the heating facility, utilized the heat radiation of ox body as the thermal source that cowshed heats up, and will consider the ventilation of cowshed abundance simultaneously.The interior temperature of cowshed in summer is higher, and modes such as force ventilation cooling, blower fan-evaporation plate cooling, blower fan-mist cooling and blower fan-spraying cooling all can be used for hanging down roofing transversal ventilation cowshed according to the actual conditions of building ground.The effect of the three kinds of cooling methods in back all obviously depends on the relative moisture in the house, and relative moisture is too high, and then cooling-down effect is undesirable, and under hot and humid environmental condition, the health of milk cow and productivity can decline to a great extent, and therefore, these three kinds of cooling methods only are suitable for dry area.
3, air quality control
A large amount of oxen move in the sealing cowshed, the organic decomposition of other that produce in its breathing, excreta and the production process, a large amount of breedings of microorganism in the house, ventilation is not enough just to cause severe overweights such as toxic and harmful content, fraction of particle in the house easily, thereby influences ox and staff's health and production efficiency.Excrement dirt and sufficient measures such as ventilation all help to give up the control of interior air quality in the interior stocking density of reasonable control house, the timely removing house.
4, comprehensive control automatically
Fig. 4 control system principle schematic.This environment automatic control system mainly by distribution box 5.1, electric cabinet 5.2, temperature controller 6.1 or/and gas controller 6.2, circulating fan 2.1, the little fog generator 7.1 of high pressure or several parts of other step-down equipment constitute.Distribution box is responsible for each electric power supply in the environment automatic control system.Temperature controller is or/and the gas controller is responsible for the one or more environmental index in the monitoring house in real time, as temperature, harmful gas concentration etc., and information in time fed back to electric cabinet, the electric cabinet analyzing and processing.When the measured value of environmental index reaches the setting value of certain pattern, control system is namely made corresponding instruction, and environment in the house is regulated in the operation of the spray generator that control circulating fan and She Nei evenly arrange.
5, illumination design
Owing to low roofing transversal ventilation cowshed natural lighting deficiency, must adopt artificial lighting, the illumination design must be able to be satisfied the needs of difference production phase ox, need long period as cow in milk, and the dry milk ox needs the short period.Illumination needs according to different oxen and staff's operation rationally arrange light fixture 3.1.
When using metal halid lamp, setting height(from bottom) depends on the distance between light fixture bottom and the working face.The setting height(from bottom) of low roofing transversal ventilation cowshed configuration fluorescent lamp is proper at 1.8～3.6m, and every group configuration two row's fluorescent lamps are equivalent to every row hurdle one row that freely crouches.
Be provided with excrement system clearly in the house, comprise excrement aisle 4.1 clearly, utilize manure scraper plate 4.2 fecaluria on the clear excrement aisle to be scraped in the collection excrement canal of cowshed one end or middle part setting, water focuses on the dirty concentrated dirty treatment region of excrement that is transported to of excrement through underground pipe duct.
Because it is shorter that the high efficiency of milking parlour and milk cow come and go the milking parlour distance, other clear excrement modes do not have time enough to clear ight soil in the so big cowshed.Use sand to do the cowshed of bed bedding and padding, adopt the ground line gradient of the clear excrement arts demand at least 2% of flush-type, if the same gradient in cowshed and ground will limit the cowshed span with the influence of preventing rain and snow load.In addition, because evaporation plate level as far as possible installs to guarantee its operate as normal, so just require under the acclive situation in ground ridge line near level for the cowshed that adopts the clear excrement of flush-type, be that the cowshed side wall is not sustained height, so just can alleviate the pressure and the installation question of avoiding evaporation plate of sleet load.
Embodiment
Below in conjunction with embodiment embodiment of the present utility model is further elaborated.
1, builds the ground overview
Location: Urumchi, Xinjiang
Gate position: north latitude 44 degree, east longitude 87.61 degree
Height above sea level: 429～473m
Temperature: average temperature of the whole year is 5.6 ℃, and the extreme minimum air temperature is-41.6 ℃, and the extreme maximum air temperature is 43.8 ℃
The outer wind speed of average house: be 1.7m/s winter, and be 3.1m/s summer, and winter, maximum wind direction average speeds were 2.5m/s
2, the cowshed span is 80.30 meters, and length is 279.00 meters, and the cornice height is 4.50m, and the ridge height is 6.18m.Totally 12 be listed as the hurdle that looses in the house, the hair style of per two row Wo Lan is arranged, excrement aisle and the passage of feeding clearly are set as required.
3, environmental control system design
Embodiment adopts blower fan-roller shutter transversal ventilation cooling system to control environment in the house automatically, controls the operation of blower fan and spray generator by the temperature control inductor of cowshed internal configurations according to giving up internal and external temperature, sets up deflector in the house.Keep house in temperature by the ox heat radiation cold season, do not need heating equipment.Artificial illumination.
Give up near the column of inherent roller shutter and make the support mounting guiding board.Material is sunlight board, overall dimensions: length is fixed according to cowshed length, and width is 1.25m, and thickness is 10mm, and selecting model for use is WJN40, and moment of torsion is 400Nm, and rotating speed is 5.2R/min, and power is 0.55kw, and voltage is the angle of the Electric Machine Control deflector of 380v.
Present embodiment can be raised 2040 cows in milk, produces heat 3200kj/h according to every ox and calculates, and does not have winter can produce load under the situation of heating facility and be 1813.3KW.Cowshed is the sealing cowshed, and volume is about 100816.65m
3, idealized consider with this ox body heat radiation as heating source that the amount of moisture that every ox is breathed out is 9L/d, when indoor temperature is increased to 12 ℃ by-22 ℃ according to humid air psychrometric chart (atmospheric pressure: 93213Pa) calculate following result of calculation.
Table 1 cowshed in winter temp. and humidity calculated data table
The interior temperature of house in summer is higher, adopts the mist cooling system to reduce temperature in the house.Calculate following tables of data according to humid air psychrometric chart (atmospheric pressure is 93213Pa).
Table 2 cowshed in summer temp. and humidity calculated data table (circulation timei: 2min)
The environment automatic control mode is referring to table 3.
The explanation of table 3 embodiment automatic control mode
Present embodiment is through on probation, and effect is very good.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect have been carried out further detailed description; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. one kind low roofing transversal ventilation cowshed, it is characterized in that described cowshed is made of roof, gable and both walls, described roof adopts dual-layer colour steel composite board (1.3), seam crossing carries out encapsulation process, adopts low roof height and the little rise-span ratio structure of span between 30～150m; Described gable and side wall bottom are that brick wall (1.1), top are color-steel composite board (1.2); Establish door (1.4) on the described gable; Arrange blower fan (2.1) on the described side wall, arrange on another side wall that elongated roller shutter (2.2), described roller shutter top mounting guiding board (2.3) make air-flow paste cornice and flow in the cowshed; Be provided with the environment automatic control system in the described cowshed, according to the real-time change of environmental index in the house, control the operation of described blower fan and equipment, regulate environment in the house.
2. low roofing transversal ventilation cowshed according to claim 1 is characterized in that, the maximum functional static pressure control of described blower fan (2.1) is below the 3.8mm water column.
3. low roofing transversal ventilation cowshed according to claim 1, it is characterized in that, can also evaporation plate be set according to the location weather conditions on the side wall of described installation roll-up window, air is controlled in 122m/min by the maximal rate of this evaporation plate, and general design load is 106～114m/min.
4. low roofing transversal ventilation cowshed according to claim 3, it is characterized in that, described roller shutter, described roller shutter (2.2) covers described evaporation plate if unidirectional roller shutter should be rolled up from the top down as if described roller shutter, should use two-way roller shutter, and make air inlet be in evaporation plate middle part, air inlet is positioned at the top of side wall, the air that can guarantee to enter winter cowshed in face of contact milk cow and ground with can give up earlier in hot-air mix intensification.
5. low roofing transversal ventilation cowshed according to claim 1, it is characterized in that, or/and gas controller (6.2), circulating fan (2.1), the little fog generator of high pressure (7.1) and step-down equipment constitute, described distribution box (5.1) is intrasystem each electric power supply to described environment automatic control system by distribution box (5.1), electric cabinet (5.2), temperature controller (6.1); Described temperature controller is given up interior temperature and harmful gas concentration environmental index or/and gas controller (6.2) is responsible for monitoring in real time, and information is in time fed back to described electric cabinet (5.2); Environment in the house is regulated in the operation of described electric cabinet (5.2) the control little fog generator of described high pressure (7.1).
6. low roofing transversal ventilation cowshed according to claim 1 is characterized in that, light fixture (3.1) is set in the described cowshed, implements artificial lighting.
7. low roofing transversal ventilation cowshed according to claim 6 is characterized in that described light fixture (3.1) is metal halid lamp, and setting height(from bottom) is at 1.8～3.6m.
8. low roofing transversal ventilation cowshed according to claim 1 is characterized in that, described cowshed is provided with excrement aisle (4.1) clearly, uses the clear excrement of machinery.
9. according to the described low roofing transversal ventilation cowshed of arbitrary claim among the claim 1-8, it is characterized in that, described cowshed span is 80.30 meters, length is 279.00 meters, the cornice height is 4.50m, and the ridge height is 6.18m, totally 12 is listed as the hurdle that looses in the house, the hair style of per two row Wo Lan is arranged, excrement aisle and the passage of feeding clearly are set; Described deflector material is sunlight board, overall dimensions: length is cowshed length, and width is 1.25m, thickness is 10mm, uses model to be WJN40, and moment of torsion is 400Nm, rotating speed is 5.2R/min, and power is 0.55kw, and voltage is the angle of the Electric Machine Control deflector of 380v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158579 CN203206886U (en) | 2013-04-01 | 2013-04-01 | Low-roof transverse ventilation cowshed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158579 CN203206886U (en) | 2013-04-01 | 2013-04-01 | Low-roof transverse ventilation cowshed |
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| CN203206886U true CN203206886U (en) | 2013-09-25 |
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| CN 201320158579 Expired - Lifetime CN203206886U (en) | 2013-04-01 | 2013-04-01 | Low-roof transverse ventilation cowshed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103734025A (en) * | 2013-12-26 | 2014-04-23 | 南宁市浩特竹鼠养殖场 | Bamboo rat rearing shed |
| CN104082156A (en) * | 2014-07-11 | 2014-10-08 | 中国农业大学 | Large multi-span cowshed |
| CN106801385A (en) * | 2017-03-24 | 2017-06-06 | 史洋昊 | The system that a kind of empty iron prevents disaster caused by a windstorm |
-
2013
- 2013-04-01 CN CN 201320158579 patent/CN203206886U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103734025A (en) * | 2013-12-26 | 2014-04-23 | 南宁市浩特竹鼠养殖场 | Bamboo rat rearing shed |
| CN103734025B (en) * | 2013-12-26 | 2016-03-02 | 南宁市浩特竹鼠养殖场 | Bamboo rat breeding house |
| CN104082156A (en) * | 2014-07-11 | 2014-10-08 | 中国农业大学 | Large multi-span cowshed |
| CN104082156B (en) * | 2014-07-11 | 2015-12-16 | 中国农业大学 | A kind of large-scale Continuous building type cowshed |
| CN106801385A (en) * | 2017-03-24 | 2017-06-06 | 史洋昊 | The system that a kind of empty iron prevents disaster caused by a windstorm |
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