CN214581675U - Poultry waste gas treatment heat recovery device - Google Patents
Poultry waste gas treatment heat recovery device Download PDFInfo
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- CN214581675U CN214581675U CN202023017227.7U CN202023017227U CN214581675U CN 214581675 U CN214581675 U CN 214581675U CN 202023017227 U CN202023017227 U CN 202023017227U CN 214581675 U CN214581675 U CN 214581675U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The utility model discloses a livestock waste gas treatment heat recovery device, which comprises a positioning plate group, a fan and a plurality of groups of air inlet guide pieces; the positioning plate group comprises two positioning plates, and the plurality of groups of air inlet guide pieces are arranged between the two positioning plates; the multiple groups of air inlet guide pieces are arranged in parallel along the vertical direction, gaps are reserved among the air inlet guide pieces of each group, and the gaps form an exhaust gas channel; each group of air inlet guide pieces comprises a plurality of air inlet pipes, and liquid communicating grooves are formed among the plurality of air inlet pipes of each group of air inlet guide pieces; the gas flow direction of the gas inlet pipe is perpendicular to the gas flow direction of the waste gas channel. The utility model discloses the realization is handled the exhaust waste gas of breeding indoor, avoids the polluted environment to carry out heat recovery to waste gas, to the air of the indoor exhaust of breeding suitable temperature, ensure to breed indoor constancy of temperature in suitable interval, breed for birds and livestock and provide favourable environment.
Description
Technical Field
The utility model relates to a ventilation system is bred to birds poultry, concretely relates to birds poultry exhaust-gas treatment heat reclamation device.
Background
Livestock and poultry breeding can generate a large amount of excrement which generally has strong pungent odor, and particularly in large-scale farms, the exhaust waste gas generated every day can not only influence the normal life of residents around kilometers, but also usually contains a large amount of harmful gas and bacteria, and if the exhaust waste gas is directly discharged into the air, the environment protection and the life quality of the residents around are not influenced, so that the deodorization treatment of the waste gas discharged from the livestock and poultry breeding farms becomes a problem to be solved.
In addition, the livestock and poultry in the livestock and poultry farm can generate a large amount of heat, and the breeding density in the livestock and poultry farm is generally higher, so that the indoor temperature of the livestock and poultry farm is obviously improved compared with that of the livestock and poultry farm outdoors; and when taking a breath in breeding the room, if direct with the lower control of outdoor temperature direct leading-in to indoor, indoor high temperature waste gas directly discharges to outdoor simultaneously, and this not only is unfavorable for environmental protection, still can take away a large amount of indoor heats, is unfavorable for birds and animals' healthy growth.
In order to solve the above problems, it is necessary to provide a device capable of treating the waste gas of livestock and recovering the heat of the waste gas, so as to improve the growth environment for livestock breeding.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's is not enough, provides a birds poultry exhaust-gas treatment heat reclamation device, and the device realizes handling breeding indoor exhaust waste gas, avoids the polluted environment to carry out heat recovery to waste gas, to breeding indoor exhaust air of suitable temperature, ensure to breed indoor temperature invariant in suitable interval, breed for birds poultry and provide favourable environment.
The purpose of the utility model is realized through the following technical scheme:
a livestock waste gas treatment heat recovery device is characterized by comprising a positioning plate group, a fan and a plurality of groups of air inlet guide pieces; the positioning plate group comprises two positioning plates which are oppositely arranged, and the plurality of groups of air inlet guide pieces are horizontally arranged between the two positioning plates; the multiple groups of air inlet guide pieces are arranged in parallel along the vertical direction, gaps are reserved among the air inlet guide pieces of each group, and the gaps form an exhaust gas channel; each group of air inlet guide pieces comprises a plurality of air inlet pipes, the two positioning plates are respectively provided with air holes which are arranged corresponding to the air inlet pipes, two ends of the air inlet pipes on each group of air inlet guide pieces are respectively communicated with the air holes on the two positioning plates in a butt joint mode, and liquid passing grooves are formed among the air inlet pipes of each group of air inlet guide pieces; the gas flowing direction of the gas inlet pipe is vertical to the gas flowing direction of the waste gas channel; the fan is connected with the vent hole on one positioning plate through a pipeline, and the vent hole on the other positioning plate is connected with the air inlet in the breeding room.
The working principle of the livestock waste gas treatment heat recovery device is as follows:
the waste gas outlet in the livestock breeding room is connected with one side of the waste gas channel, and a treating fluid discharging device used for deodorizing or sterilizing the waste gas or having other effects is communicated with the liquid communicating groove on the air inlet guide piece positioned on the uppermost layer. When the air conditioner works, the fan works to discharge air outside the breeding room into the breeding room; under the action of an air exchange system in the breeding room, waste gas in the breeding room is discharged into the waste gas channel and is discharged out of the room after flowing through the waste gas channel, and meanwhile, the treatment liquid discharge equipment discharges treatment liquid, so that the treatment liquid flows from top to bottom through the liquid passing grooves in the plurality of groups of air inlet guide pieces. In the process, fresh air outside the breeding room is discharged into the breeding room through the air inlet pipe, waste gas in the breeding room is released out of the breeding room through the waste gas channel, and at the moment, because gaps are reserved between each group of air inlet guide pieces, namely the air inlet guide pieces and the waste gas channel are arranged at intervals, the fresh air outside the breeding room can fully absorb heat in the discharged waste gas, so that the fresh air input into the breeding room can ensure certain air flow, can also ensure a temperature range in the breeding room, and can recycle the heat of the waste gas; in addition, the treatment fluid passes through the liquid passing groove and realizes flowing from top to bottom, and flows through each waste gas channel, so that the waste gas is effectively deodorized or sterilized in the exhaust process, and the influence on the environment caused by direct exhaust is avoided.
The utility model discloses a preferred scheme, wherein, intake pipe is polygonal tubular product; and a connecting plate is arranged between each group of air inlet pipes, and the liquid passing groove is arranged on the connecting plate.
Preferably, a plurality of liquid through holes are formed in the connecting plate, and the liquid through grooves are formed by the plurality of liquid through holes.
Preferably, the connecting plate is connected with the middle of the side surface of the air inlet pipe, and the waste gas channel is a zigzag channel.
The utility model discloses an optimal scheme, many intake pipes on two sets of adjacent air inlet guides stagger the setting each other, and the intake pipe that leads to on the guide that admits air that is located the upper strata corresponds the setting with the guide that admits air that is located the lower floor on the cistern.
The utility model discloses a preferred scheme, the multiunit guide that admits air is made by the cupronickel material.
Preferably, the multiple groups of air inlet guide pieces and the two positioning plates are fixedly connected through welding, and the welding flux adopted during welding is copper-based brazing filler metal.
According to a preferred embodiment of the present invention, a first temperature sensor for detecting the temperature before the heat exchange of the waste gas is disposed at the inlet of the waste gas channel, a second temperature sensor for detecting the temperature after the heat exchange of the waste gas is disposed at the outlet of the waste gas channel, and a first flow rate sensor for detecting the flow rate of the waste gas is disposed at the inlet of the waste gas channel; a second flow sensor for detecting the flow rate of air is provided at the inlet of the intake pipe along the flow direction of air in the intake pipe.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses a birds poultry exhaust-gas treatment heat reclamation device carries out heat recovery to breeding indoor exhaust waste gas, ensures to discharge into again and breeds indoor fresh air and satisfy the aquaculture environment demand, handles waste gas in the process of taking a breath simultaneously, avoids the exhaust gas pollution environment.
2. The poultry and livestock waste gas treatment heat recovery device has the advantages that the gas flow directions of the gas inlet pipe and the waste gas channel are mutually vertical and are arranged at intervals, so that fresh air can fully absorb the heat of waste gas, and the heat recovery efficiency is improved; meanwhile, the treatment liquid flows from top to bottom, so that the waste gas is treated completely, and the waste gas treatment effect is good; and the flow directions of the fresh air, the waste gas and the treatment liquid are mutually vertical and vertical, the whole device has compact structure and ingenious design.
Drawings
Fig. 1-5 are schematic structural views of one embodiment of the livestock waste gas treatment heat recovery device of the present invention, wherein fig. 1 is a front view, fig. 2 is a side view, fig. 3 is a top view, fig. 4 is an enlarged view of a in fig. 3, and fig. 5 is a perspective view.
Fig. 6 is a front view of the positioning plate.
Fig. 7 is a front view of a plurality of sets of intake guides.
Fig. 8 is a perspective view of two sets of intake guides.
Fig. 9 is a parameter diagram of the front view direction of the intake guide.
Fig. 10 is a parameter diagram of a top view of the air intake guide.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1-8, the livestock waste gas treatment heat recovery device of the present embodiment includes a positioning plate set, a fan, and a plurality of sets of air inlet guides 5; the positioning plate group comprises two positioning plates 1 which are oppositely arranged, and the plurality of groups of air inlet guide pieces 5 are horizontally arranged between the two positioning plates 1; the multiple groups of air inlet guide pieces 5 are arranged in parallel along the vertical direction, and gaps are reserved among the air inlet guide pieces 5 of each group, and the gaps form an exhaust gas channel 4; each group of air inlet guide parts 5 comprises a plurality of air inlet pipes 2, the two positioning plates 1 are respectively provided with an air vent 8 which is arranged corresponding to the plurality of air inlet pipes 2, two ends of the plurality of air inlet pipes 2 on each group of air inlet guide parts 5 are respectively in butt joint communication with the air vents 8 on the two positioning plates 1, and liquid through grooves are formed among the plurality of air inlet pipes 2 of each group of air inlet guide parts 5; the gas flowing direction of the gas inlet pipe 2 is vertical to the gas flowing direction of the waste gas channel 4; the fan is connected with the vent hole 8 on one of the positioning plates 1 through a pipeline, and the vent hole 8 on the other positioning plate 1 is connected with an air inlet in the breeding room.
Referring to fig. 1 to 8, the air inlet pipe 2 is a polygonal pipe; and a connecting plate 6 is arranged between each group of air inlet pipes 2, and the liquid passing groove is arranged on the connecting plate 6. Specifically, the air inlet pipe 2 in the present embodiment is a regular hexagonal pipe.
Referring to fig. 3 and 4, a plurality of liquid through holes 7 are formed in the connecting plate 6, and the liquid through holes 7 form the liquid through groove. Realize the flow of treatment fluid through setting up a plurality of through-liquid holes 7, be favorable to slowing down the velocity of flow of treatment fluid to let the treatment fluid distribute more evenly between exhaust passage 4, carry out effective processing to waste gas.
Referring to fig. 7 and 8, the connecting plate 6 is connected to the middle of the side surface of the inlet pipe 2, and the exhaust gas passage 4 is a zigzag passage. Through setting up the hookup location between connecting plate 6 and the intake pipe 2 to form tortuous exhaust passage 4, prolonged the dwell time of waste gas in exhaust passage 4, and then can let waste gas and treatment fluid intensive mixing, deodorize and disinfect waste gas, be favorable to the environmental protection.
Referring to fig. 1 and fig. 6-8, the plurality of air inlet pipes 2 on two adjacent sets of air inlet guides 5 are arranged in a staggered manner, and the liquid passing groove on the upper air inlet guide 5 is arranged corresponding to the air inlet pipe 2 on the lower air inlet guide 5. In this embodiment, the cross-section of the entire device is like a honeycomb. Like this, can let the processing liquid through drip to the top of the intake pipe 2 of next floor air inlet guide 5 behind the liquid passing groove, flow again along the lateral wall of intake pipe 2 this layer air inlet guide 5 on connecting plate 6 again, flow to next floor through the liquid passing groove once more, analogize in proper order. Through such a structure, let the treatment fluid can evenly flow on every exhaust passage 4 to can further prolong the dwell time of treatment fluid on every exhaust passage 4, thereby improve the exhaust-gas treatment effect.
Referring to fig. 6 to 8, in the present embodiment, one of two side portions of the air intake guide 5 is formed by a pentagonal air intake tube 2, and the air intake tube 2 is in a shape of a right-angled pentagon, wherein a right-angled side is a side surface of the air intake guide 5; the opposite side comprises baffle 3, and the vertical extension of this baffle 3 sets up, and realizes being connected through connecting plate 6 between this baffle 3 and the adjacent intake pipe 2 equally, also is equipped with a plurality of liquid through holes 7 on this connecting plate 6. Because the plurality of air inlet pipes 2 on the two adjacent groups of air inlet guide parts 5 are arranged in a staggered manner, in the two adjacent groups of air inlet guide parts 5, the baffle 3 of one group of air inlet guide parts 5 corresponds to the pentagonal air inlet pipe 2 of the other group of air inlet guide parts 5; this ensures that the side of each off-gas channel 4 can also have the effect of extending the residence time of the treatment liquid and the effect of uniform distribution.
In this embodiment, the multiple sets of air intake guides 5 are made of cupronickel material. The air intake guide 5 made of cupronickel material has good corrosion resistance and good heat transfer coefficient, can prevent the corrosion of the acidic substance treatment liquid, and can ensure the heat transfer effect in the ventilation process.
In this embodiment, the multiple sets of air inlet guides 5 and the two positioning plates 1 are fixedly connected by welding, and the solder used in welding is copper-based solder. The air inlet guide piece 5 is fixedly connected with the positioning plate 1 in a welding mode, the sealing effect is good, and gas loss and liquid loss are avoided; in addition, the copper-based brazing filler metal is used as a welding flux, so that acidic substances in the treating liquid are effectively prevented from corroding the welding seam, and the sealing effect is improved.
In the present embodiment, along the flow direction of the exhaust gas in the exhaust gas passage 4, a first temperature sensor for detecting the temperature before heat exchange of the exhaust gas is provided at the inlet of the exhaust gas passage 4, a second temperature sensor for detecting the temperature after heat exchange of the exhaust gas is provided at the outlet of the exhaust gas passage 4, and a first flow velocity sensor for detecting the flow velocity of the exhaust gas is provided at the inlet of the exhaust gas passage 4; a second flow rate sensor for detecting the flow rate of air is provided at the inlet of the intake pipe 2 along the flow direction of air in the intake pipe 2. The absorbed quantity of the waste gas heat is obtained through temperature detection before and after waste gas heat exchange, and meanwhile, the rotating speed of the fan is adjusted according to the flow rate of the waste gas and the air, so that fresh air discharged into a breeding room is adjusted, the required air temperature in the breeding room is adapted, and a good growth environment is provided for livestock.
Referring to fig. 1-8, the working principle of the livestock waste gas treatment heat recovery device of the embodiment is as follows:
an exhaust gas outlet in the livestock breeding room is connected with one side of an exhaust gas channel 4, and a treatment liquid discharge device for deodorizing or sterilizing the exhaust gas or having other effects is communicated with a liquid through groove on the air inlet guide piece 5 positioned on the uppermost layer. When the air conditioner works, the fan works to discharge air outside the breeding room into the breeding room; under the action of the ventilation system in the breeding room, the waste gas in the breeding room is discharged into the waste gas channel 4, flows through the waste gas channel 4 and is discharged out of the room, and meanwhile, the treatment liquid discharge equipment discharges the treatment liquid, so that the treatment liquid flows from top to bottom through the liquid through grooves in the plurality of groups of air inlet guide pieces 5. In the process, fresh air outside the breeding room is discharged into the breeding room through the air inlet pipe 2, waste gas in the breeding room is discharged out of the breeding room through the waste gas channel 4, and at the moment, because gaps are reserved between each group of air inlet guide pieces 5, namely the air inlet guide pieces 5 and the waste gas channel 4 are arranged at intervals, the fresh air outside the breeding room can fully absorb heat in the discharged waste gas, so that the fresh air input into the breeding room can ensure certain air flow, the temperature range in the breeding room can be ensured, and the heat of the waste gas can be recycled; in addition, the treatment fluid flows from top to bottom through the fluid passing groove and flows through each waste gas channel 4, so that the waste gas is effectively deodorized or sterilized in the exhaust process, and the environment is prevented from being influenced by direct exhaust.
Referring to fig. 9 and 10, the livestock waste heat recovery method of the present embodiment includes the steps of:
(1) according to the structures of the air inlet pipes 2 and the waste gas channels 4, the cross-sectional areas of all the air inlet pipes 2 and the cross-sectional area of each waste gas channel 4 on each group of air inlet guide parts 5 are respectively calculated;
wherein S is1For all the intake pipes 2 of each set of intake guides 5, a is the inner length of the intake pipe 2 and has n1An air inlet pipe 2; s2A is the width of the intake guide 5 and B is the length of the intake guide 5, which is the cross-sectional area of each exhaust passage 4.
(2) Calculating the heat quantity which is required to be absorbed by the fresh air from the waste gas according to the volume of the fresh air required by the culture room per hour, the air temperature required by the culture room and the air temperature outside the culture room at the moment;
W1＝V1*ρ1
Q1＝W1*C1*(T2-T1)
Q1＝ηQ2
wherein, W1For the required mass flow rate of fresh air, V1Volumetric flow rate of fresh air, ρ, for hourly demand in a room1Is the density of fresh air; q1The fresh air required in the cultivation room requires heat absorbed from the exhaust gases, C1Specific heat capacity of fresh air, T1For the temperature, T, required in the breeding room2The fresh air temperature outside the breeding chamber, eta is the influence coefficient of the treating liquid (the treating liquid needs to take away partial heat of the waste gas, so that the heat of the waste gas can not be completely converted into the fresh air, therefore, the treating liquid influence system is introduced at the fresh airNumber), Q2Is the total heat contained in the exhaust gas.
(3) The volume flow rate of the waste gas is calculated by detecting the temperature of the waste gas before and after heat exchange at the inlet and the outlet of the waste gas channel 4;
wherein, W2Is the mass flow rate of the exhaust gas, C2Is the specific heat capacity of the exhaust gas, t1For the pre-heat-exchange temperature, t, of the exhaust gas2The temperature of the waste gas after heat exchange; v2Is the volumetric flow rate of the exhaust gas, p2Is the density of the exhaust gas.
(4) Calculating the volume flow rate of fresh air of each air inlet pipe 2 and the volume flow rate of waste gas of each waste gas channel 4;
wherein u is1Fresh air volume flow rate, u, for each intake pipe 22For the exhaust gas volume flow rate of each exhaust gas channel 4, n2And an intake guide 5.
(5) Obtaining the relation between the volume flow rate of the fresh air and the volume flow rate of the waste gas, and controlling the rotating speed of the fan to control the flow rate of the fresh air led into the breeding room, so that the growth requirements of the livestock in the breeding room are met;
wherein κ is a constant relating system parameters to exhaust gas and fresh air;
the inlets of the air inlet pipe 2 and the waste gas channel 4 are respectively provided with a first flow rate sensor and a second flow rate sensor, so that the flow rates of fresh air and waste gas are monitored in real time, and the intelligent adjustment of fresh control entering a culture room is realized by adjusting the rotating speed of the fan.
The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. A livestock waste gas treatment heat recovery device is characterized by comprising a positioning plate group, a fan and a plurality of groups of air inlet guide pieces; the positioning plate group comprises two positioning plates which are oppositely arranged, and the plurality of groups of air inlet guide pieces are horizontally arranged between the two positioning plates; the multiple groups of air inlet guide pieces are arranged in parallel along the vertical direction, gaps are reserved among the air inlet guide pieces of each group, and the gaps form an exhaust gas channel; each group of air inlet guide pieces comprises a plurality of air inlet pipes, the two positioning plates are respectively provided with air holes which are arranged corresponding to the air inlet pipes, two ends of the air inlet pipes on each group of air inlet guide pieces are respectively communicated with the air holes on the two positioning plates in a butt joint mode, and liquid passing grooves are formed among the air inlet pipes of each group of air inlet guide pieces; the gas flowing direction of the gas inlet pipe is vertical to the gas flowing direction of the waste gas channel; the fan is connected with the vent hole on one positioning plate through a pipeline, and the vent hole on the other positioning plate is connected with the air inlet in the breeding room.
2. The livestock waste gas treatment heat recovery device of claim 1, wherein said air intake tube is a polygonal tube; and a connecting plate is arranged between each group of air inlet pipes, and the liquid passing groove is arranged on the connecting plate.
3. The livestock waste gas treatment heat recovery device of claim 2, wherein said connection plate is provided with a plurality of liquid through holes, said plurality of liquid through holes constituting said liquid through groove.
4. The livestock waste gas treatment heat recovery device of claim 2 or 3, wherein said connection plate is connected to the middle of the side of the air inlet pipe, and said waste gas passage is a tortuous passage.
5. The livestock waste gas treatment heat recovery device of claim 1, wherein a plurality of air inlet pipes on two adjacent sets of air inlet guide members are arranged in a staggered manner, and the liquid passing groove on the upper air inlet guide member is arranged corresponding to the air inlet pipe on the lower air inlet guide member.
6. The livestock waste gas treatment heat recovery device of claim 1, wherein said plurality of sets of air intake guides are each made of cupronickel material.
7. The livestock waste gas treatment heat recovery device of claim 6, wherein the multiple groups of air inlet guide pieces and the two positioning plates are fixedly connected by welding, and the welding flux adopted during welding is copper-based brazing filler metal.
8. The livestock waste gas treatment heat recovery device of claim 1, wherein a first temperature sensor for detecting a temperature before heat exchange of the waste gas is provided at an inlet of the waste gas passage, a second temperature sensor for detecting a temperature after heat exchange of the waste gas is provided at an outlet of the waste gas passage, and a first flow rate sensor for detecting a flow rate of the waste gas is provided at the inlet of the waste gas passage, along a flow direction of the waste gas in the waste gas passage; a second flow sensor for detecting the flow rate of air is provided at the inlet of the intake pipe along the flow direction of air in the intake pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017227.7U CN214581675U (en) | 2020-12-14 | 2020-12-14 | Poultry waste gas treatment heat recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017227.7U CN214581675U (en) | 2020-12-14 | 2020-12-14 | Poultry waste gas treatment heat recovery device |
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| Publication Number | Publication Date |
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| CN214581675U true CN214581675U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023017227.7U Active CN214581675U (en) | 2020-12-14 | 2020-12-14 | Poultry waste gas treatment heat recovery device |
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| CN (1) | CN214581675U (en) |
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