Ammonia emission reduction structure for breeding house

Abstract

The utility model relates to an ammonia emission reduction structure for a breeding house, and relates to the technical field of waste gas treatment. Comprising a filter box, a spraying assembly and a cooling backflow assembly. The filter box is located on one side of the breeding house, one end of the air outlet pipe is communicated with the breeding house, the other end of the air outlet pipe is connected with the air distribution disc in the filter box, a filter screen and an exhaust fan are arranged at an inlet of the air outlet pipe, and the filter screen is located at the front end of the exhaust fan. One end of the spraying assembly is communicated with the bottom end of the filtering box, and the other end of the spraying assembly extends into the top end of the filtering box; a cooling backflow assembly is connected to an air outlet in the top end of the filter box. The ammonia gas in the breeding house can be fully absorbed, the absorption efficiency of the ammonia gas is very high, and the emission of harmful gas can be greatly reduced, so that the air is purified, and the environment is protected; meanwhile, the air environment condition in the breeding house can be greatly improved, transmission of diseases related to pollution is reduced, and economic benefits are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to an ammonia emission reduction structure for a breeding house. Background Art

[0002] Ammonia generated in large-scale breeding houses is one of the important sources of ammonia emissions in the atmosphere. It can react with acidic substances such as SO2 and NOx in the atmosphere to form secondary particles such as ammonium salts, which has an important impact on the formation of haze. Most large-scale breeding farms adopt manure and urine treatment processes such as urine-soaked manure, water-soaked manure, and dry cleaning manure. The breeding house is connected to the manure and urine collection pool, and the ammonia concentration increases significantly under the action of microorganisms. The ammonia pollution in the breeding house not only affects the growth and development and production performance of livestock and poultry, but even causes diseases and epidemics. Most breeding farms reduce the ammonia content in the breeding house by randomly exhausting the air in the breeding house, but it has a serious impact on the surrounding environment.

[0003] Therefore, how to provide an ammonia emission reduction structure for a breeding house that can effectively absorb ammonia has become an urgent technical problem to be solved by those skilled in the art. Summary of the Utility Model

[0004] The purpose of the utility model is to fill the gap existing in the prior art and provide an ammonia emission reduction structure for a breeding house, which can fully absorb ammonia in the breeding house, has a very high absorption efficiency of ammonia, can greatly reduce the emission of harmful gases, thereby purifying the air and protecting the environment; at the same time, it can also greatly improve the air environmental conditions in the breeding house, reduce the spread of pollution-related diseases, and improve economic benefits.

[0005] To achieve the above object, the utility model provides an ammonia emission reduction structure for a breeding house, including an air outlet pipe, a filtration box, a spray assembly, and a cooling and reflux assembly; the filtration box is located on one side of the breeding house, one end of the air outlet pipe is connected to the breeding house, and the other end is connected to a gas distribution plate in the filtration box. A filter screen and an exhaust fan are arranged at the inlet of the air outlet pipe, and the filter screen is located in front of the exhaust fan; an ammonia absorption liquid is installed at the bottom end inside the filtration box, one end of the spray assembly is connected to the bottom end of the filtration box, and the other end extends into the top end of the filtration box; a cooling and reflux assembly is connected to the air outlet at the top end of the filtration box.

[0006] Further, the filter screen is detachably connected to the air outlet pipe.

[0007] Further, the filter screen includes a filter screen body and a frame. Slot holes are arranged at the top and bottom ends of the filter screen body, and clamping blocks are connected in the slot holes through elastic sheets. A clamping groove matching with the clamping blocks is arranged on the inner wall of the air outlet pipe.

[0008] Further, inclined guiding surfaces are arranged on both sides of the clamping block, and inclined surfaces are arranged on both sides of the clamping groove.

[0009] Further, the air distribution plate includes a plurality of annular pipes sleeved in sequence, and adjacent annular pipes are connected and communicated through pipelines. A plurality of air distribution holes are arranged on the annular pipes.

[0010] Further, the spraying assembly includes a spraying communication pipe, a spraying plate and atomizing nozzles. The spraying plate is located inside the filtering box and above the air distribution plate. A plurality of atomizing nozzles are arranged at the bottom end of the spraying plate. One end of the spraying communication pipe is communicated with the bottom of the filtering box, and the other end is communicated with the spraying plate; a water pump is arranged on the spraying communication pipe.

[0011] Further, the cooling and reflux assembly includes a reflux pipe. The bottom end of the reflux pipe is connected to the air outlet at the top end of the filtering box, and the top end is connected to an exhaust pipe. A demister is arranged on the exhaust pipe; a water inlet pipe is arranged at the bottom end of the side wall of the reflux pipe, and a water return pipe is arranged at the top end of the side wall of the reflux pipe.

[0012] The beneficial effects of the utility model are as follows:

[0013] The structure of the utility model is designed simply and reasonably, can fully absorb ammonia in the breeding house, has a very high absorption efficiency of ammonia, can greatly reduce the emission of harmful gases, thereby purifying the air and protecting the environment; at the same time, it can also greatly improve the air environmental conditions in the breeding house, reduce the spread of diseases related to pollution, and improve economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 is a schematic diagram of the structure of the filter screen of the utility model;

[0016] Figure 3 is a schematic diagram of the structure of the air distribution plate of the utility model.

[0017] Among them, in the figure:

[0018] 1 - air outlet pipe; 2 - filtering box; 3 - breeding house; 4 - air distribution plate; 5 - filter screen; 6 - exhaust fan; 7 - filter screen body; 8 - frame; 9 - slot hole; 10 - clamping block; 11 - inclined guiding surface; 12 - annular pipe; 13 - air distribution hole; 14 - spraying communication pipe; 15 - spraying plate; 16 - atomizing nozzle; 17 - water pump; 18 - reflux pipe; 19 - exhaust pipe; 20 - demister. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] It should be noted that the terms "first", "second", etc. in the specification, claims and drawings of this application are used to distinguish similar objects, and do not necessarily need to describe a specific order or sequence. It should be understood that such used data can be interchanged under appropriate circumstances for the embodiments of this application described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0021] In this application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation or be constructed and operated in a specific orientation.

[0022] Moreover, in addition to being able to represent an orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0023] In addition, the terms "installed", "set", "provided with", "connected", "connected to", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there is internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] Such as Figure 1 and Figure 2As shown, the utility model provides an ammonia emission reduction structure for a breeding house, comprising an air outlet pipe 1, a filter box 2, a spray assembly and a cooling reflux assembly; the filter box 2 is located on one side of the breeding house 3, one end of the air outlet pipe 1 is connected to the breeding house 3, and the other end is connected to the air distribution plate 4 in the filter box 2, a filter screen 5 and an exhaust fan 6 are arranged at the inlet of the air outlet pipe 1, and the filter screen 5 is located at the front end of the exhaust fan 6; ammonia absorption liquid is installed at the bottom end of the filter box 2, one end of the spray assembly is connected to the bottom end of the filter box 2, and the other end extends into the top end of the filter box 2; a cooling reflux assembly is connected to the air outlet at the top end of the filter box 2.

[0025] Further optimize the technical solution, the filter 5 is detachably connected to the air outlet pipe 1, and a cover plate is provided on the air outlet pipe. The cover plate is opened to facilitate the disassembly and assembly of the filter, so as to facilitate cleaning, replacement, maintenance, etc. The filter 5 includes a filter body 7 and a frame 8. The top and bottom ends of the filter body 7 are both provided with slots 9. A block 10 is connected to the slot 9 through an elastic sheet. The block 10 is squeezed so that the block 10 can be completely retracted into the slot 9. The inner wall of the air outlet pipe 1 is provided with a slot that cooperates with the block 10. Both sides of the block 10 are provided with inclined guide surfaces 11, and both sides of the slot are provided with inclined surfaces. When the filter 5 needs to be disassembled, the cover plate is first opened and the filter body 7 is pulled out. Due to the provision of the spring sheet and the inclined surfaces on both sides of the slot, the inclined guide surfaces 11 are provided on both sides of the block 10, which facilitates the disassembly of the filter body 7. After cleaning the filter body 7, the filter body 7 is inserted, and under the action of the spring sheet, the clamping block 10 is clamped into the clamping slot to complete the installation.

[0026] refer to Figure 3 The gas distribution plate 4 includes a plurality of annular tubes 12 which are arranged in sequence, and the adjacent annular tubes 12 are connected by pipelines. The annular tubes 12 are provided with a plurality of gas distribution holes 13. The gas moves in all directions after passing through the gas distribution holes 13, and the gas discharged through the adjacent gas distribution holes 13 collides with each other, so that the speed of the gas is reduced and fully dispersed, which is conducive to full contact with the ammonia absorption liquid and facilitates full absorption of the ammonia gas.

[0027] The spray assembly includes a spray connecting pipe 14, a spray disc 15 and an atomizing nozzle 16. The spray disc 15 is located inside the filter box 2 and above the air distribution disc 4. A plurality of atomizing nozzles 16 are arranged at the bottom of the spray disc 15. One end of the spray connecting pipe 14 is connected to the bottom of the filter box 2, and the other end is connected to the spray disc 15. A water pump 17 is arranged on the spray connecting pipe 14.

[0028] The cooling and reflux assembly includes a reflux pipe 18. The bottom end of the reflux pipe 18 is connected to the air outlet at the top of the filter box 2, and the top end is connected to an exhaust pipe 19. A demister 20 is provided on the exhaust pipe 19. A water inlet pipe is provided at the bottom end of the side wall of the reflux pipe 18, and a water return pipe is provided at the top end of the side wall of the reflux pipe. Both the water inlet pipe and the water return pipe are communicated with a cooling water tank, and a water inlet pump is provided on the water inlet pipe.

[0029] The structure of the utility model is designed simply and reasonably, can fully absorb ammonia in the breeding house, has a very high absorption efficiency of ammonia, can greatly reduce the emission of harmful gases, thereby purifying the air and protecting the environment. At the same time, it can also greatly improve the air environmental conditions in the breeding house, reduce the spread of pollution-related diseases, and improve economic benefits.

[0030] The above is only a preferred embodiment of the utility model, and does not impose any limitation on the technical scope of the utility model. Therefore, any minor modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still fall within the scope of the technical solution of the utility model.

Claims

1. An ammonia emission reduction structure for a breeding house, characterized in that: It includes an air outlet pipe, a filter box, a spray assembly and a cooling reflux assembly; the filter box is located on one side of the breeding house, one end of the air outlet pipe is connected to the breeding house, and the other end is connected to the air distribution plate in the filter box; a filter screen and an exhaust fan are arranged at the inlet of the air outlet pipe, and the filter screen is located at the front end of the exhaust fan; ammonia absorption liquid is installed at the bottom end of the filter box, one end of the spray assembly is connected to the bottom end of the filter box, and the other end extends into the top end of the filter box; a cooling reflux assembly is connected to the air outlet at the top end of the filter box.

2. The ammonia emission reduction structure for aquaculture houses according to claim 1, characterized in that: The filter screen is detachably connected to the air outlet pipe.

3. The ammonia emission reduction structure for aquaculture houses according to claim 2, characterized in that: The filter screen comprises a filter screen body and a frame. The top and bottom ends of the filter screen body are both provided with slots. A clamping block is connected to the slot through an elastic sheet. The inner wall of the air outlet pipe is provided with a clamping slot matched with the clamping block.

4. The ammonia emission reduction structure for aquaculture houses according to claim 3, characterized in that: Both sides of the clamping block are provided with inclined guide surfaces, and both sides of the clamping slot are provided with inclined surfaces.

5. The ammonia emission reduction structure for aquaculture houses according to claim 1, characterized in that: The gas distribution plate includes a plurality of annular tubes which are sequentially sleeved, and the adjacent annular tubes are connected through pipelines. The annular tubes are provided with a plurality of gas distribution holes.

6. The ammonia emission reduction structure for aquaculture houses according to claim 1, characterized in that: The spray assembly includes a spray connecting pipe, a spray plate and an atomizing nozzle. The spray plate is located inside the filter box and above the air distribution plate. A plurality of atomizing nozzles are arranged at the bottom of the spray plate. One end of the spray connecting pipe is connected to the bottom of the filter box, and the other end is connected to the spray plate. A water pump is arranged on the spray connecting pipe.

7. The ammonia emission reduction structure for aquaculture houses according to claim 1, characterized in that: The cooling reflux assembly includes a reflux pipe, the bottom end of which is connected to the air outlet at the top end of the filter box, the top end is connected to an exhaust pipe, and a demister is provided on the exhaust pipe; a water inlet pipe is provided at the bottom end of the side wall of the reflux pipe, and a water return pipe is provided at the top end of the side wall of the reflux pipe.

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