CN211372715U

CN211372715U - Granary return air pipe structure

Info

Publication number: CN211372715U
Application number: CN202020052832.9U
Authority: CN
Inventors: 叶海军; 李松伟; 姚亚东; 王晓博; 张奕群; 刘进吉
Original assignee: Dongguan Grain Depot Of Guangdong Grain Reserves Corp
Current assignee: Dongguan Grain Depot Of Guangdong Grain Reserves Corp
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-08-28
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a granary return air duct structure, including the tee bend pipe fitting, air conditioner pipeline and observation box, the observation box includes the main tank body, observation door and airtight apron, the inside of main tank body is formed with the inner chamber, the main tank body is equipped with the air intake and the chamber door mouth of intercommunication inner chamber, the observation door is used for the closing cap case gate, airtight apron sets up in the inner chamber and is used for the closing cap air intake, the tee bend pipe fitting includes first body and second body, the one end intercommunication air intake of first body, the other end of first body is used for the grain storage space of intercommunication granary, the lateral part of first body is equipped with the opening that flows, the one end and the air conditioner pipeline intercommunication of second body, the other end of second body leads to the opening and flows through with first body intercommunication, the internally mounted of first body has the filter screen, the filter screen is. This granary return air duct structure not only installation cost is low, and the filter screen clearance is convenient moreover.

Description

Granary return air pipe structure

Technical Field

The utility model relates to a granary technical field especially relates to a granary return duct structure.

Background

Mechanical ventilation and natural ventilation openings are arranged in the conventional squat silo, and air conditioners with different powers are required to be arranged on the top of the silo in the process of propelling the quasi-low-temperature and low-temperature grain storage. In the working process, the air conditioner extracts gas in the bin through the return air pipe, and the gas needs to be filtered in the extraction process so as to prevent dust from corroding air conditioner devices. Most of filter devices adopted by the existing return air pipes are fixed filter boxes, so that not only is the installation cost high, but also the filter screen is difficult to clean.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a granary return air duct structure, which not only has low installation cost, but also has convenient cleaning of a filter screen.

The purpose of the utility model is realized by adopting the following technical scheme:

a granary return duct structure, which comprises a three-way pipe fitting, an air conditioning pipeline and an observation box, wherein the observation box comprises a main box body, an observation door and an airtight cover plate, an inner cavity is formed inside the main box body, the main box body is provided with an air inlet and a box door opening which are communicated with the inner cavity, the observation door is used for sealing the box door opening, the airtight cover plate is arranged in the inner cavity and is used for sealing the air inlet, the three-way pipe fitting comprises a first pipe body and a second pipe body, one end of the first pipe body is communicated with the air inlet, the other end of the first pipe body is used for communicating a grain storage space of the granary, a circulation port is arranged on the side part of the first pipe body, one end of the second pipe body is communicated with the air-conditioning pipeline, the other end of the second pipe body is communicated with the first pipe body through the circulating port, the internally mounted of first body has the filter screen, the filter screen is used for filtering the process the air current of circulation mouth.

Further, an installation clamping piece is fixed on the inner pipe wall of the first pipe body, and an installation groove for installing the filter screen is formed between the installation clamping piece and the inner pipe wall of the first pipe body.

Furthermore, the installation fastener is totally four, and two of them access the last side of filter screen, two access the lower side of filter screen.

Further, the observation box is installed on the top of the first pipe body.

Further, the air inlet is located on the bottom plate of the observation box.

Furthermore, the airtight cover plate is connected with a rotating rod, and one end of the rotating rod extends out of the main box body and is connected with an operating handle.

Further, the grain bin return air pipe structure still includes the air-out pipeline, the main tank body still is equipped with the air outlet, the one end of air-out pipeline is passed through the air outlet with the inner chamber intercommunication, the other end intercommunication of air-out pipeline the outside of observation box.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a granary return air pipe structure, including tee bend pipe fitting, air conditioner pipeline and observation box, wherein the air conditioner pipeline refers to the pipeline that is used for communicating the air conditioner, and the inside of tee bend pipe fitting is installed the filter screen, is used for filtering the air current through the flow opening, and the main purpose is to filter the dust, in order to protect the air conditioner device; therefore, the traditional fixed filter box is not required to be installed, and the installation cost is reduced;

when the filter screen needs to be cleaned, the observation door of the observation box is opened, the airtight cover plate is opened, and the filter screen in the tee pipe fitting is taken out through the air inlet to be cleaned; therefore, the cleaning device has the advantage of convenient cleaning.

Drawings

Fig. 1 is a schematic structural view of an air return pipe structure of a granary in an embodiment of the present invention;

fig. 2 is a sectional view of the structure of the return air duct of the granary according to the embodiment of the present invention;

fig. 3 is a schematic structural view of the granary return air duct structure according to the embodiment of the present invention when the airtight cover plate is opened;

fig. 4 is a schematic structural view of the tee pipe fitting of the embodiment of the present invention when the filter screen is detached;

fig. 5 is a schematic structural diagram of the tee pipe fitting of the embodiment of the present invention when the filter screen is installed.

In the figure: 1. a tee pipe fitting; 2. an air conditioning duct; 3. an observation box; 31. a main box body; 32. an observation door; 33. an airtight cover plate; 34. an inner cavity; 35. an air inlet; 11. a first pipe body; 12. a second tube body; 13. a flow port; 14. a filter screen; 15. installing a clamping piece; 36. rotating the rod; 37. a control handle; 4. an air outlet pipeline; 38. and (7) air outlet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Refer to fig. 1-5. The embodiment of the utility model provides a granary return air duct structure, it includes tee bend pipe fitting 1, air conditioner pipeline 2 and observation box 3, wherein air conditioner pipeline 2 be used for with the air conditioner intercommunication, its length can design according to the distance of tee bend pipe fitting 1 with the air conditioner, when tee bend pipe fitting 1 is far away from the air conditioner, air conditioner pipeline 2 also needs longer length. Referring to fig. 1 to 3, the observation box 3 includes a main box 31, an observation door 32 and an airtight cover 33, wherein an inner cavity 34 is formed inside the main box 31, the main box 31 is provided with an air inlet 35 and a box door opening which are communicated with the inner cavity 34, the observation door 32 is used for covering the box door opening, and the airtight cover 33 is disposed in the inner cavity 34 and is used for covering the air inlet 35. Referring to fig. 2, 4 and 5, the tee pipe fitting 1 includes a first pipe 11 and a second pipe 12, one end of the first pipe 11 is communicated with the air inlet 35, the other end of the first pipe 11 is used for communicating with a grain storage space of a granary, a circulation port 13 is arranged on a lateral portion of the first pipe 11, one end of the second pipe 12 is communicated with the air conditioning pipeline 2, the other end of the second pipe 12 is communicated with the first pipe 11 through the circulation port 13, a filter screen 14 is arranged inside the first pipe 11, and the filter screen 14 is used for filtering air flow passing through the circulation port 13.

Specifically, an installation clamping piece 15 is fixed on the inner pipe wall of the first pipe body 11, and the installation clamping piece 15 is in a right-angle shape or an L-shape, so that an installation groove for installing the filter screen 14 is formed between the installation clamping piece 15 and the inner pipe wall of the first pipe body 11. Wherein, the installation fastener 15 totally is four, and two of them insert the upper side of filter screen 14, and two insert the lower side of filter screen 14. The filter screen 14 can be quickly assembled and disassembled by installing the clamping piece 15.

Specifically, the sight glass 3 is mounted on top of the first tube 11, or tee 1.

Specifically, the intake vent 35 is located on the floor of the observation box 3.

Specifically, the airtight lid 33 is connected to a rotating lever 36, and one end of the rotating lever 36 protrudes outside the main body 31 and is connected to a manipulation handle 37.

Particularly, the granary return air duct structure of this embodiment still includes air-out pipeline 4, and main tank 31 still is equipped with air outlet 38, and air outlet 38 and inner chamber 34 intercommunication are passed through to air-out pipeline 4's one end, and the other end intercommunication observation box 3's of air-out pipeline 4 outside.

The granary return air duct structure that this embodiment provided, its theory of operation mainly includes:

in the working process of the air conditioner, airflow can flow into the air conditioner only through the flow through opening 13, and the filter screen 14 can play a role in filtering when the airflow passes through the flow through opening 13, and the main purpose is to filter dust so as to protect air conditioner components; therefore, the traditional fixed filter box is not required to be installed, and the installation cost is reduced;

because a fixed filter box is not required to be additionally arranged on the return air pipe, the air tightness problem caused by the fixed filter box is not required to be worried about;

when the filter screen 14 needs to be cleaned, the observation door 32 of the observation box 3 can be opened, the airtight cover plate 33 is opened through the control handle 37, and then the filter screen 14 is taken out through the air inlet 35 to be cleaned; therefore, the cleaning device has the advantage of convenient cleaning.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a granary return air duct structure which characterized in that: comprises a three-way pipe fitting, an air conditioning pipeline and an observation box, wherein the observation box comprises a main box body, an observation door and an airtight cover plate, an inner cavity is formed inside the main box body, the main box body is provided with an air inlet and a box door opening which are communicated with the inner cavity, the observation door is used for sealing the box door opening, the airtight cover plate is arranged in the inner cavity and is used for sealing the air inlet, the three-way pipe fitting comprises a first pipe body and a second pipe body, one end of the first pipe body is communicated with the air inlet, the other end of the first pipe body is used for communicating a grain storage space of the granary, a circulation port is arranged on the side part of the first pipe body, one end of the second pipe body is communicated with the air-conditioning pipeline, the other end of the second pipe body is communicated with the first pipe body through the circulating port, the internally mounted of first body has the filter screen, the filter screen is used for filtering the process the air current of circulation mouth.

2. The grain bin return duct structure of claim 1, wherein: an installation clamping piece is fixed on the inner pipe wall of the first pipe body, and an installation groove for installing the filter screen is formed between the installation clamping piece and the inner pipe wall of the first pipe body.

3. The grain bin return duct structure of claim 2, wherein: the installation fastener totally four, two of them inserts the last side of filter screen, two other inserts the lower side of filter screen.

4. The grain bin return duct structure of claim 1, wherein: the observation box is installed at the top of the first pipe body.

5. The grain bin return duct structure of claim 1, wherein: the air inlet is positioned on the bottom plate of the observation box.

6. The grain bin return duct structure of claim 1, wherein: the airtight cover plate is connected with a rotating rod, and one end of the rotating rod extends out of the main box body and is connected with an operating handle.

7. The grain bin return duct structure of any one of claims 1-6, wherein: the granary return air pipe structure still includes the air-out pipeline, the main tank body still is equipped with the air outlet, the one end of air-out pipeline is passed through the air outlet with the inner chamber intercommunication, the other end intercommunication of air-out pipeline the outside of observation box.