CN204206870U - For the cascade case that livestock and poultry cultivation house ammonia absorbs - Google Patents
For the cascade case that livestock and poultry cultivation house ammonia absorbs Download PDFInfo
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- CN204206870U CN204206870U CN201420610185.3U CN201420610185U CN204206870U CN 204206870 U CN204206870 U CN 204206870U CN 201420610185 U CN201420610185 U CN 201420610185U CN 204206870 U CN204206870 U CN 204206870U
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- wet curtain
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Abstract
The utility model belongs to a kind of cascade case absorbed for livestock and poultry cultivation house ammonia, comprise casing and the cascade case base being arranged on bottom half, casing is provided with front air permeable plate and side air permeable plate, water inlet and delivery port is provided with below the air permeable plate of side, casing inner bottom part is provided with tank, tank surrounding is provided with water annulus, wet curtain plate is provided with in water annulus, annular conduit is provided with above wet curtain plate, water hole is provided with bottom annular conduit, casing inner bottom part is provided with axial fan, switch and air-cooler water pump, cascade case base comprises base plate, riser and panel, in the utility model cascade case, surrounding is equipped with wet curtain plate, by axial fan and air-cooler water pump, the water in tank is circulated in wet curtain plate, repeat to absorb ammonia, effectively reduce the concentration of ammonia in breeding house, improve growth rate and the feedstuff-meat ratio of livestock and poultry, reduce the incidence of disease of livestock and poultry, save the cost of enterprise, solve ammonia and arrange the environmental pollution caused outward.
Description
Technical field
The utility model belongs to a kind of ammonia absorption device, particularly relates to a kind of cascade case absorbed for livestock and poultry cultivation house ammonia.
Background technology
The scale of aquaculture makes stocking density constantly improve, and what bring is that in unit are, ammonia emission amount raises.Ammonia reduces blood dissolved oxygen amount after entering blood, reduces the resistance of livestock and poultry, and under being in 10 ~ 15ppm ammonia concentration for a long time, that obviously can reduce animal stress resistivity.The aqueous solution of ammonia is in alkalescence, irritant to mucous membrane, can cause that eyes are shed tears, cusalgia, Cornea and conjunctiva inflammation, dysopia.The ammonia of high concentration can cause cough, bronchitis, pulmonary edema, hemorrhage, the symptom such as to suffocate.In addition ammonia can raise respiratory mucus pH value, makes cilium devitalization function, the harmful substance of filtration can not be excreted, increase by the neurological susceptibility of airborne disease.Ammonia level in current poultry house reaches 10 ~ 30ppm at least, reaches 100ppm at most.Therefore, how to reduce the discharge of ammonia, become the CCP whether aquaculture gets a profit.
For this reason, people control to have carried out following research to reducing ammonia level in livestock and poultry cultivation house, research one: by the intake of protein in conservative control livestock and poultry diet, reduce amino acid under the catalytic action of putrefactive microorganisms urase, uricase, be hydrolyzed the amount generating ammonia, in feed, add the generation that the silicates such as zeolite powder, bentonite, fermentable carbohydrates, enzyme preparation, plant extracts etc. reduce ammonia simultaneously; Research two: reduce the pH value in ight soil, in dropping-board or manure pit, spreading ferrous sulfate suppresses the fermentation Sum decomposition of ight soil, or adds active bacteria formulation, thus effectively reduces the concentration of ammonia; Research three: by increasing livestock and poultry cultivation house height, installs the antibacterial method such as ammonia system, ammonium sulfate recovery system that presses down of micro-electric current to reduce the ammonia in livestock and poultry cultivation house.
Although these achievements in research reduce the ammonia level in livestock and poultry cultivation house to a certain extent, purify the air quality in livestock and poultry cultivation house, but due to itself or complicated operation, or invest excessive, or energy ezpenditure is too much, be not suitable for applying in middle-size and small-size livestock and poultry cultivation house and small home breeding house.In existing livestock and poultry cultivation house, mostly still utilize ammonia density to be less than air, be distributed in livestock and poultry cultivation house top, feature soluble in water, absorption ammonia is received by ammonia absorption device, and existing ammonia absorption device mostly adopt individual layer wet curtain absorb ammonia, fully can not absorb ammonia, the water circulation system of collecting ammonia is poor, cannot ammonia in constant absorption fowl breeding house, in addition, collect ammonia be not easy operation and control, produce and maintenance cost higher, especially in the winter time, ammonia concentration in livestock and poultry cultivation house is still very high, have a strong impact on except ammonia effect, the cultivation requirement of low ammonia level in modern livestock and poultry cultivation house cannot be reached.
Utility model content
The utility model object is to overcome the deficiencies in the prior art and provides a kind of cascade case absorbed for livestock and poultry cultivation house ammonia.
The purpose of this utility model is achieved in that
A kind of cascade case collected for livestock and poultry cultivation house ammonia, comprise casing and the cascade case base being arranged on bottom half, it is characterized in that: described casing is provided with two front air permeable plates and two side air permeable plates, front air permeable plate is connected by column with side air permeable plate, strut is provided with between column, column top is provided with tripod, pole is provided with between strut and tripod, top board is provided with above tripod, top board is fixedly connected with tripod by button-headed screw, water inlet and delivery port is provided with below the air permeable plate of side, casing inner bottom part is provided with tank, tank surrounding is provided with water annulus, wet curtain plate is provided with in water annulus, annular conduit is provided with above wet curtain plate, water hole is provided with bottom annular conduit, base plate is provided with in the middle of casing inner bottom part, base plate is provided with axial fan, axial fan top is provided with the blade of rotation parallel to the ground, axial fan blade rotation direction is parallel to the ground, base plate side is provided with switch, base opposite side is provided with air-cooler water pump, switch is connected with water inlet, air-cooler water pump is connected with annular conduit, described cascade case base comprises the base plate being arranged on bottom half, riser connected vertically with base plate outer end, the panel be connected with bottom riser, bottom half and base plate are bolted to connection, panel is given up roof by button-headed screw and livestock and poultry cultivation and is fixedly connected with.
Described air permeable plate is provided with air-vent, and air-vent opening direction down.
Be provided with ammoniacal liquor densitometer in the middle part of described strut, arrange in the sink bottom ammoniacal liquor densitometer.
Described top board is made up of the upper and lower, upper and lower two-layer weld, and form double-pitch type structure, superficies are provided with antirust coat.
Described water annulus comprises internal layer water channel and outer water channel, is provided with wet curtain plate in internal layer water channel and outer water channel, and two-layer wet curtain plate is fixed by locating clip, and the distance between internal layer water channel and outer water channel is 2CM-3CM.
Be provided with U-shaped fixator above described annular conduit, U-shaped fixator opening two ends are stuck on wet curtain plate, annular conduit are fixed on wet curtain plate top.
Be provided with closed loop between described tank and base plate, be provided with double-layer structure in closed loop, upper strata is water proof pad, and lower floor is sealing gasket.
Described front air permeable plate, between side air permeable plate and column, between top board and tripod, be provided with sealing joint strip.
Described wet curtain plate thickness is 3CM-5CM.
Described box house is ferrous material, and outside is stainless steel material.
The utility model has following good effect:
1, in cascade case of the present utility model, surrounding is provided with wet curtain plate, put in the sink bottom wet curtain plate, the water in tank is made to keep circulating in wet curtain plate by axial fan and air-cooler water pump, repeat to absorb ammonia, switch is connected with the water inlet system outside cascade case, control the water intake velocity in cascade case and inflow, ensure that the constant of total Water in cascade case.
2, owing to being provided with two-layer water annulus in tank, and reserved certain space between two-layer water annulus, air is made to become S shape to flow to, add the flow distance of air in wet curtain, thus making ammonia absorb more abundant in cascade case, closed loop and airtight adhesive tape prevent ammonia from running out of in cascade case.
3, the utility model structure is simple, and production cost is lower, by installing the utility model cascade case in livestock and poultry cultivation house, continuously and effectively can reduce the concentration of ammonia in breeding house, improve growth rate and the feedstuff-meat ratio of livestock and poultry, reduce the incidence of disease of livestock and poultry, save the cost of enterprise.
4, survey ammonia instrument is utilized to measure roof in the ground in certain poultry farming house, breeding house and cascade case ammonia concentration that is inner and cascade case outside respectively.Result is as following table:
| Detect position | Breeding house ground | Breeding house top | Cascade case is inner | Cascade case is outside |
| Ammonia concentration | 55-60ppm | 65-76ppm | 37-42ppm | 0-4ppm |
Can see, breeding house inner top ammonia concentration high 16ppm more maximum than ground ammonia concentration in breeding house, ammonia after cascade case is absorbed by the wet curtain of surrounding in cascade case, the ammonia concentration of discharging from cascade case is 0-4ppm, well below the discharge standard of country, efficiently solve ammonia and arrange the environmental pollution caused outward.
5, choice structure, Facilities serialized, airtight condition is identical with shape size, and 2 pig houses that breeding stock is identical, being wherein control group between 1, is experimental group between another 1, measures the ammonia concentration on ground, be respectively 4.8mgm in fine day to 2 pig houses after fully ventilating
-3and 4.9mgm
-3, record result, after pig house is airtight, starts experiment.
Following table is ammonia concentration measurement result in control group and experimental group.Unit :/(mgm
-3)
| Experiment number of days | 0d | 1d | 2d | 3d | 4d | 5d | 6d | 7d |
| Control group | 4.8 | 29.7 | 43.2 | 75.4 | 96.7 | 109.3 | 131.1 | 144.6 |
| Day operation 3 hours | 4.9 | 11.3 | 13.6 | 12.7 | 12.1 | 13.2 | 12.5 | 11.8 |
| Day operation 6 hours | 4.9 | 6.8 | 8.3 | 7.6 | 6.9 | 8.5 | 6.6 | 7.7 |
As can be seen from the above table, do not install the utility model in control group, ammonia concentration is from 4.8mgm
-3rise to 143.6mgm
-3, rise 139.8mgm for 7 days altogether
-3, rise average every day 19.97mgm
-3, wherein, rise first 4 days average every days 22.98mgm
-3, rise latter 3 days average every days 15.97mgm
-3although ammonia concentration ascensional range obviously reduces in latter 3 days houses, the long-time Persistent high levels of ammonia concentration in house, be easy to the stress reaction causing animal.And the utility model device has been installed in experimental group, experimental group measures ammonia 3 times every day, is respectively 8:00,14:00,20:00, and the utility model device first day continuous service is after 3 hours, and the ammonia concentration in pig house reduces to 11.3mgm
-3, substantially can not reduce the resistance of animal, continuous service is after 6 hours, and the ammonia concentration in pig house reduces to 6.8mgm
-3, can not impact the resistance of animal completely, absolutely prove that the utility model reduces the ammonia concentration effect in giving up clearly, by the observation of 7 days, can find out, run 3 hours every day, can control at 13.6mgm in ammonia concentration in house
-3below, run 6 hours every day, can control at 8.5mgm in ammonia concentration in house
-3below, ensure that normal feed and the growth of pig.In addition, the utility model did not need to exchange with outer air in winter, and can not produce any impact to the temperature in house, in house, air velocity is 0.2 ~ 0.3ms
-1, noise < 50dB, to the normal growth of pig without any adverse influence.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is end view of the present utility model.
Fig. 3 is cascade case cross sectional representation.
In figure: 1. air permeable plate 4. side, casing 2. cascade case base 3. front air permeable plate 5. column 6. strut 7. tripod 8. pole 9. top board 10. button-headed screw 11. water inlet 12. delivery port 13. tank 14. water annulus 15. wets base plate 19. axial fan 20. blade 21. switch 22. air-cooler water pump 23. base plate 24. riser 25. panel 26. bolt 27 air-vent 28. button-headed screw 29. roof 30., curtain plate 16. annular conduit 17. water hole 18. locating clip 31. ammoniacal liquor densitometer 32.U type fixator 33. closed loop 34. water proof pad 35. sealing gasket 36. sealing joint strip.
Embodiment
Embodiment 1, as Fig. 1, Fig. 2, shown in Fig. 3, a kind of cascade case collected for livestock and poultry cultivation house ammonia, the cascade case base 2 comprising casing 1 and be arranged on bottom casing 1, described casing 1 is provided with two front air permeable plates 3 and two side air permeable plates 4, front air permeable plate 3 is connected by column 5 with side air permeable plate 4, strut 6 is provided with between column 5, column 5 top is provided with tripod 7, pole 8 is provided with between strut 6 and tripod 7, tripod 7 is provided with top board 9 above, top board 9 is fixedly connected with tripod 7 by button-headed screw 10, embody in specification, water inlet 11 and delivery port 12 is provided with below side air permeable plate 4, casing 1 inner bottom part is provided with tank 13, tank 13 surrounding is provided with water annulus 14, wet curtain plate 15 is provided with in water annulus 14, wet curtain plate 15 is provided with annular conduit 16 above, water hole 17 is provided with bottom annular conduit 16, base plate 18 is provided with in the middle of casing 1 inner bottom part, base plate 18 is provided with axial fan 19, axial fan 19 top is provided with the blade 20 of rotation parallel to the ground, axial fan blade rotation direction is parallel to the ground, base plate 18 side is provided with switch 21, base plate 18 opposite side is provided with air-cooler water pump 22, switch 21 is connected with water inlet 11, air-cooler water pump 22 is connected with annular conduit 16, described cascade case base 2 comprises the base plate 23 be arranged on bottom casing 1, riser 24 connected vertically with base plate 23 outer end, the panel 25 be connected with bottom riser 24, be fixedly connected with by bolt 26 with base plate 23 bottom casing 1, panel is given up roof 29 by button-headed screw 28 and livestock and poultry cultivation and is fixedly connected with, described air permeable plate is provided with air-vent 27, air-vent 27 opening direction down, ammoniacal liquor densitometer 31 is provided with in the middle part of strut 6, be arranged in tank 13 bottom ammoniacal liquor densitometer 31, top board 9 is made up of the upper and lower, upper and lower two-layer weld, form double-pitch type structure, superficies are provided with antirust coat, water annulus 14 comprises internal layer water channel and outer water channel, wet curtain plate 15 is provided with in internal layer water channel and outer water channel, in the middle of two-layer wet curtain plate, 15 are fixed by locating clip 30, distance between internal layer water channel and outer water channel is 2CM-3CM, U-shaped fixator 32 is provided with above annular conduit 16, U-shaped fixator 32 opening two ends are stuck on wet curtain plate 15, annular conduit 16 is fixed on wet curtain plate 15 top, closed loop 33 is provided with between tank 13 and base plate 18, double-layer structure is provided with in closed loop 33, upper strata is water proof pad 34, lower floor is sealing gasket 35, front air permeable plate 3, between side air permeable plate 4 and column 5, sealing joint strip 36 is provided with between top board 9 and tripod 7, wet curtain plate 15 thickness is 3CM-5CM, casing 1 inside is ferrous material, outside is stainless steel material.
When the utility model uses, first this device is fixedly mounted on the roof of livestock and poultry cultivation house, cascade case part is arranged on outside, roof, draft hood is arranged on the inside on roof, centre is connected by tube connector, within summer or breeding house temperature higher in, in order to reach best ventilation effect, the outer airduct height of lift lug on interior airduct, make the circular fixation hole on interior airduct top and the alignment of outer airduct circular fixation hole, and fixed by alignment pin, then to water filling in the tank in cascade case, water in tank soaks bottom wet curtain plate, open air-cooler water pump, water in tank is extracted in the annular conduit above wet curtain, water flows down bottom annular conduit, make to form cascade in wet curtain plate, and the top of wet curtain plate and middle part are soaked completely, open axial fan afterwards, ammonia in livestock and poultry cultivation house sucks in cascade case by the negative pressure formed by axial fan, the ammonia entered in cascade case is absorbed by the wet curtain plate of surrounding in cascade case, the water flowed down from wet curtain plate falls into tank and is again extracted into the annular conduit above wet curtain plate by air-cooler water pump, thus ensure that water the circulating between wet curtain plate and tank in cascade case, reach the effect repeating to absorb ammonia, when in cascade case, total Water is lower than setting value, switch sinks, the water inlet system be connected with water inlet starts, open water inlet valve simultaneously, add water in cascade case, when the water yield in cascade case reaches settings, switch cuts out, water inlet system is stopped, water inlet stops water inlet, thus ensure that the constant of total Water in cascade case, cycle water re-absorption effect ammonia in tank, ammonia concn improves constantly, by the concentration of ammoniacal liquor densitometer observation ammoniacal liquor, when reaching ammoniacal liquor desired concn, open outlet valve, ammoniacal liquor is collected.
Embodiment 2, as Fig. 1, Fig. 2, shown in Fig. 3, a kind of cascade case collected for livestock and poultry cultivation house ammonia, the cascade case base 2 comprising casing 1 and be arranged on bottom casing 1, described casing 1 is provided with two front air permeable plates 3 and two side air permeable plates 4, front air permeable plate 3 is connected by column 5 with side air permeable plate 4, strut 6 is provided with between column 5, column 5 top is provided with tripod 7, pole 8 is provided with between strut 6 and tripod 7, tripod 7 is provided with top board 9 above, top board 9 is fixedly connected with tripod 7 by button-headed screw 10, embody in specification, water inlet 11 and delivery port 12 is provided with below side air permeable plate 4, casing 1 inner bottom part is provided with tank 13, tank 13 surrounding is provided with water annulus 14, wet curtain plate 15 is provided with in water annulus 14, wet curtain plate 15 is provided with annular conduit 16 above, water hole 17 is provided with bottom annular conduit 16, base plate 18 is provided with in the middle of casing 1 inner bottom part, base plate 18 is provided with axial fan 19, axial fan 19 top is provided with the blade 20 of rotation parallel to the ground, axial fan blade rotation direction is parallel to the ground, base plate 18 side is provided with switch 21, base plate 18 opposite side is provided with air-cooler water pump 22, switch 21 is connected with water inlet 11, air-cooler water pump 22 is connected with annular conduit 16, described cascade case base 2 comprises the base plate 23 be arranged on bottom casing 1, riser 24 connected vertically with base plate 23 outer end, the panel 25 be connected with bottom riser 24, be fixedly connected with by bolt 26 with base plate 23 bottom casing 1, panel is given up roof 29 by button-headed screw 28 and livestock and poultry cultivation and is fixedly connected with, described air permeable plate is provided with air-vent 27, air-vent 27 opening direction down, ammoniacal liquor densitometer 31 is provided with in the middle part of strut 6, be arranged in tank 13 bottom ammoniacal liquor densitometer 31, top board 9 is made up of the upper and lower, upper and lower two-layer weld, form double-pitch type structure, superficies are provided with antirust coat, water annulus 14 comprises internal layer water channel and outer water channel, wet curtain plate 15 is provided with in internal layer water channel and outer water channel, in the middle of two-layer wet curtain plate, 15 are fixed by locating clip 30, distance between internal layer water channel and outer water channel is 2CM-3CM, U-shaped fixator 32 is provided with above annular conduit 16, U-shaped fixator 32 opening two ends are stuck on wet curtain plate 15, annular conduit 16 is fixed on wet curtain plate 15 top, closed loop 33 is provided with between tank 13 and base plate 18, double-layer structure is provided with in closed loop 33, upper strata is water proof pad 34, lower floor is sealing gasket 35, front air permeable plate 3, between side air permeable plate 4 and column 5, sealing joint strip 36 is provided with between top board 9 and tripod 7, wet curtain plate 15 thickness is 3CM-5CM, casing 1 inside is ferrous material, outside is stainless steel material.
When the utility model uses, first this device is fixedly mounted on the roof of livestock and poultry cultivation house, cascade case part is arranged on outside, roof, draft hood is arranged on the inside on roof, centre is connected by tube connector, in the winter time or in breeding house, temperature is lower time, normally take food in order to ensure animal in house and grow, door and window is needed to close, strengthen the heat insulation effect in house, ground ammonia concentration in breeding house is so just made greatly to improve, at this moment need to reduce the outer airduct height be enclosed within interior airduct, make wind groove and ground close, ammonia is made more easily to enter wind groove, make the circular fixation hole on interior airduct top and the alignment of outer airduct circular fixation hole simultaneously, and fixed by alignment pin, then first axial fan is opened, ammonia in livestock and poultry cultivation house sucks in cascade case by the negative pressure formed by axial fan, whole cascade case is full of water filling in the tank in backward cascade case by ammonia, water in tank soaks bottom wet curtain plate, observe ammonia concn meter, open air-cooler water pump again, water in tank is extracted in the annular conduit above wet curtain, water flows down bottom annular conduit, make to form cascade in wet curtain plate, and the top of wet curtain plate and middle part are soaked completely, ammonia in cascade case is absorbed by the wet curtain plate of surrounding in cascade case, the water flowed down from wet curtain plate falls into tank and is again extracted into the annular conduit above wet curtain plate by air-cooler water pump, thus ensure that water the circulating between wet curtain plate and tank in cascade case, reach the effect repeating to absorb ammonia, when in cascade case, total Water is lower than setting value, switch sinks, the water inlet system be connected with water inlet starts, open water inlet valve simultaneously, add water in cascade case, when the water yield in cascade case reaches settings, switch cuts out, water inlet system is stopped, water inlet stops water inlet, thus ensure that the constant of total Water in cascade case, cycle water re-absorption effect ammonia in tank, ammonia concn improves constantly, by the concentration of ammoniacal liquor densitometer observation ammoniacal liquor, when reaching ammoniacal liquor desired concn, open outlet valve, ammoniacal liquor is collected.
Above-described embodiment is only preferred embodiment of the present utility model; not in order to limit the utility model; for a person skilled in the art; the utility model can have various modifications and variations; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the cascade case collected for livestock and poultry cultivation house ammonia, comprise casing and the cascade case base being arranged on bottom half, it is characterized in that: described casing is provided with front air permeable plate and side air permeable plate, front air permeable plate is connected by column with side air permeable plate, strut is provided with between column, column top is provided with tripod, pole is provided with between strut and tripod, top board is provided with above tripod, water inlet and delivery port is provided with below the air permeable plate of side, casing inner bottom part is provided with tank, tank surrounding is provided with water annulus, wet curtain plate is provided with in water annulus, annular conduit is provided with above wet curtain plate, water hole is provided with bottom annular conduit, base plate is provided with in the middle of casing inner bottom part, base plate is provided with axial fan, axial fan top is provided with the blade of rotation parallel to the ground, base plate side is provided with switch, base opposite side is provided with air-cooler water pump, switch is connected with water inlet, air-cooler water pump is connected with annular conduit, described cascade case base comprises the base plate being arranged on bottom half, riser connected vertically with base plate outer end, the panel be connected with bottom riser, bottom half and base plate are bolted to connection.
2. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, it is characterized in that: described air permeable plate is provided with air-vent, air-vent opening direction down.
3. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, is characterized in that: be provided with ammoniacal liquor densitometer in the middle part of described strut, arranges in the sink bottom ammoniacal liquor densitometer.
4. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, it is characterized in that: described top board is made up of the upper and lower, upper and lower two-layer weld, form double-pitch type structure, superficies are provided with antirust coat.
5. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, it is characterized in that: described water annulus comprises internal layer water channel and outer water channel, wet curtain plate is provided with in internal layer water channel and outer water channel, two-layer wet curtain plate is fixed by locating clip, and the distance between internal layer water channel and outer water channel is 2CM-3CM.
6. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, it is characterized in that: be provided with U-shaped fixator above described annular conduit, U-shaped fixator opening two ends are stuck on wet curtain plate, annular conduit are fixed on wet curtain plate top.
7. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, it is characterized in that: be provided with closed loop between described tank and base plate, be provided with double-layer structure in sealing ring, upper strata is water proof pad, and lower floor is sealing gasket.
8. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, is characterized in that: described front air permeable plate, between side air permeable plate and column, be provided with sealing joint strip between top board and tripod.
9. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, is characterized in that: described wet curtain plate thickness is 3CM-5CM.
10. the cascade case collected for livestock and poultry cultivation house ammonia according to claim 1, it is characterized in that: described box house is ferrous material, outside is stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610185.3U CN204206870U (en) | 2014-10-13 | 2014-10-13 | For the cascade case that livestock and poultry cultivation house ammonia absorbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610185.3U CN204206870U (en) | 2014-10-13 | 2014-10-13 | For the cascade case that livestock and poultry cultivation house ammonia absorbs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204206870U true CN204206870U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420610185.3U Expired - Fee Related CN204206870U (en) | 2014-10-13 | 2014-10-13 | For the cascade case that livestock and poultry cultivation house ammonia absorbs |
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| CN (1) | CN204206870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104304038A (en) * | 2014-10-13 | 2015-01-28 | 河南牧业经济学院 | Water curtain box for ammonia gas absorption of livestock breeding house |
-
2014
- 2014-10-13 CN CN201420610185.3U patent/CN204206870U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104304038A (en) * | 2014-10-13 | 2015-01-28 | 河南牧业经济学院 | Water curtain box for ammonia gas absorption of livestock breeding house |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20161013 |