CN220707613U

CN220707613U - High-altitude discharge system

Info

Publication number: CN220707613U
Application number: CN202322103051.4U
Authority: CN
Inventors: 岳彬; 王建晓; 周生仝
Original assignee: Shandong Lonton Power Technology Co ltd
Current assignee: Shandong Lonton Power Technology Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-04-02
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the technical field of exhaust emission, in particular to a high-altitude emission system, which comprises a plurality of groups of exhaust systems, wherein a diversion box is arranged at the junction of the plurality of groups of exhaust systems; an air outlet is formed in the upper end of the split flow box, a plurality of air inlets are formed in the side face of the lower end of the split flow box, and each air inlet is communicated with a corresponding exhaust system; the inside vertical division board that is provided with of shunt box, division board separate a plurality of air intake, prevent the direct collision of the waste gas that comes in from different air intakes. The utility model arranges the splitter boxes at the intersections of the plurality of groups of exhaust systems, and the splitter plates for separating the air inlets are arranged in the splitter boxes, so that the waste gas of each exhaust system is vertically and upwards discharged under the action of the splitter plates after entering the splitter boxes, the direct collision of the waste gas from different exhaust systems is prevented, the mutual influence of high-altitude discharge among the plurality of groups of systems is ensured, and the condition of waste gas backflow can be effectively prevented.

Description

High-altitude discharge system

Technical Field

The utility model relates to the technical field of exhaust emission, in particular to an overhead emission system.

Background

Laboratories are often equipped with exhaust systems for exhausting the exhaust gases generated during the experiment. When the high-altitude exhaust is provided with two or more sets of exhaust systems, a fan is usually arranged on the exhaust system pipeline, a check valve is arranged at the rear end of the fan, and the two or more sets of exhaust systems are connected to a main pipeline by utilizing a pipeline tee joint. When one set of system opening equipment is more and the wind pressure is larger, the wind pressure of other systems is relatively smaller, so that the tail end pressure of the other systems is larger than the front end pressure, and in order to prevent the waste gas from flowing backwards, the check valves of the other systems are required to be closed or the pressure of the other systems is required to be regulated up. The following disadvantages still exist: after the check valve is closed, the exhaust of other systems is affected; increasing other system pressures can result in increased operating costs.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a high-altitude discharge system which can prevent high-altitude discharge among multiple systems from influencing each other.

The technical scheme adopted for solving the technical problems is as follows:

the high-altitude exhaust system comprises a plurality of groups of exhaust systems, and a diversion box is arranged at the junction of the plurality of groups of exhaust systems; an air outlet is formed in the upper end of the split flow box, a plurality of air inlets are formed in the side face of the lower end of the split flow box, and each air inlet is communicated with a corresponding exhaust system; the inside vertical division board that is provided with of shunt box, division board separate a plurality of air intake, prevent the direct collision of the waste gas that comes in from different air intakes. When the exhaust system is in operation, after exhaust gas enters the split box from the air inlet at the side surface of the lower end of the split box, the exhaust gas is vertically and upwards discharged to the high air through the action of the split plate, so that the exhaust gas conveyed by the multiple groups of exhaust systems can be prevented from being directly collided, and the high-air discharge among the multiple groups of systems is ensured not to be affected.

Further, the splitter plate is located at the middle position in the splitter box.

Further, a first guide plate is arranged between the air outlet and the first air inlet and between the air outlet and the second air inlet, the first guide plate is obliquely arranged, the upper end of the first guide plate is close to the flow dividing plate, and the lower end of the first guide plate is far away from the flow dividing plate.

Further, a second guide plate is arranged at the middle position of the bottom of the flow distribution box, the longitudinal section of the second guide plate is of an inverted V-shaped structure, and the flow distribution plate is arranged at the top of the second guide plate.

Further, the exhaust system comprises a main pipeline I and a plurality of groups of exhaust equipment, wherein the plurality of groups of exhaust equipment are connected in parallel and then are communicated with one end of the main pipeline I, and the other end of the main pipeline I is communicated with the air inlet.

Further, a fan is arranged on the first main pipeline.

Further, the air outlet of the split box is connected with the second main pipeline, the split box is arranged at the junction of the second main pipelines, and each air inlet of the split box is communicated with the corresponding second main pipeline.

The utility model has the technical effects that:

compared with the prior art, the high-altitude discharge system has the advantages that the split box is arranged at the junction of the multiple groups of exhaust systems, the split plates for separating the air inlets are arranged in the split box, so that the waste gas of each exhaust system is vertically discharged upwards under the action of the split plates after entering the split box, the direct collision of the waste gas from different exhaust systems is prevented, the high-altitude discharge among the multiple groups of systems is ensured not to be affected, and the waste gas backflow can be effectively prevented.

Drawings

FIG. 1 is a schematic diagram of the structure of the high-altitude exhaust system according to embodiment 1 of the present utility model;

fig. 2 is a schematic structural diagram of a shunt box according to embodiment 1 of the present utility model.

Fig. 3 is a schematic structural diagram of a high-altitude exhaust system according to embodiment 2 of the present utility model.

In the figure, 1, an exhaust device; 2. an exhaust duct; 3. a blower; 4. a main pipeline I; 5. a rain cap; 6. a shunt box; 7. a first air inlet; 8. a second air inlet; 9. a first deflector; 10. an air outlet; 11. a diverter plate; 12. a second deflector; 13. and a main pipeline II.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings of the specification.

Example 1:

as shown in fig. 1, the high-altitude exhaust system according to the embodiment comprises two groups of exhaust systems, a diversion box 6 is arranged at the junction of the two groups of exhaust systems, and a rain cap 5 is arranged above the diversion box 6.

As shown in fig. 1, each group of exhaust system comprises a main pipeline one 4 and two groups of exhaust devices 1, wherein the exhaust pipelines 2 of the two groups of exhaust devices 1 are connected in parallel and then communicated with the main pipeline one 4, and a fan 3 is arranged on the main pipeline one 4.

As shown in fig. 2, the upper end of the split box 6 is provided with an air outlet 10, and two sides of the lower end are respectively provided with a first air inlet 7 and a second air inlet 8; the first air inlet 7 is communicated with the first main pipeline 4 of one group of exhaust systems, and the second air inlet 8 is communicated with the first main pipeline 4 of the other group of exhaust systems; the middle position inside the shunt box 6 is vertically provided with a shunt plate 11. A first guide plate 9 is arranged between the air outlet 10 and the first air inlet 7 and between the air outlet 10 and the second air inlet 8, the first guide plate 9 is obliquely arranged, the upper end of the first guide plate is close to the splitter plate 11, and the lower end of the first guide plate is far away from the splitter plate 11. The bottom of the flow distribution box 6 is provided with a second flow guide plate 12, the longitudinal section of the second flow guide plate 12 is of an inverted V-shaped structure, and the flow distribution plate 11 is arranged at the top of the second flow guide plate 12. An inclined upward channel is formed between the second guide plate 12 and the first guide plate 9, so that waste gas is more favorable for being discharged vertically upward after entering the split box 6 through the air inlet.

The utility model is provided with the flow distribution box 6 at the junction of the multiple groups of exhaust systems, the flow distribution box 6 is provided with the guide plates and the flow distribution plates 11, and after the waste gas enters the flow distribution box 6 from the air inlet at the lower end of the flow distribution box 6, the waste gas is vertically discharged upwards to the high air under the action of the first guide plate 9, the second guide plate 12 and the flow distribution plates 11, so that the direct collision of the waste gas of the two groups of exhaust systems is prevented, and the high-air discharge among the multiple groups of systems is ensured not to be affected. Under the action of the flow dividing box 6, even if one group of exhaust systems is started and the fan 3 of the other group of exhaust systems is stopped, the condition that waste gas flows backward to the other exhaust systems cannot occur, so that the waste gas is effectively prevented from flowing backward without a check valve, and the construction cost is saved.

Example 2:

as shown in fig. 3, this embodiment relates to a high-altitude discharge system, which has the same main structure as that of embodiment 1, except that:

an air outlet 10 of the split box 6 is connected with a second main pipeline 13, a split box 6 is arranged at the junction of the second main pipelines 13, each air inlet of the split box 6 is communicated with the corresponding second main pipeline 13, and a rain cap 5 is arranged above the split box 6.

It should be noted that the present utility model is not limited to the above-mentioned structure, the air outlet 10 of the diversion box 6 located at the junction of the main pipe two 13 may be further connected to the main pipe, and the junction of several main pipes is further provided with the diversion box 6, so on, so that more exhaust systems may be connected, and the high-altitude exhaust between the exhaust systems is not affected.

The above embodiments are merely examples of the present utility model, and the scope of the present utility model is not limited to the above embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present utility model, shall fall within the scope of the present utility model.

Claims

1. The utility model provides a high altitude exhaust system, includes a plurality of group's exhaust system, its characterized in that: a shunt box (6) is arranged at the junction of the plurality of groups of exhaust systems; an air outlet (10) is formed in the upper end of the shunt box (6), a plurality of air inlets are formed in the side face of the lower end of the shunt box, and each air inlet is communicated with a corresponding exhaust system; the inside of the flow distribution box (6) is vertically provided with a flow distribution plate (11), and the flow distribution plate (11) separates a plurality of air inlets.

2. The overhead discharge system of claim 1, wherein: the splitter plate (11) is positioned at the middle position in the splitter box (6).

3. The overhead discharge system of claim 1, wherein: the novel air conditioner is characterized in that a first guide plate (9) is arranged between the air outlet (10) and the first air inlet (7) and between the air outlet (10) and the second air inlet (8), the first guide plate (9) is obliquely arranged, the upper end of the air conditioner is close to the splitter plate (11), and the lower end of the air conditioner is far away from the splitter plate (11).

4. The overhead discharge system of claim 1, wherein: the middle position of the bottom of the flow distribution box (6) is provided with a second flow guide plate (12), the longitudinal section of the second flow guide plate (12) is of an inverted V-shaped structure, and the flow distribution plate (11) is arranged at the top of the second flow guide plate (12).

5. The overhead discharge system of claim 1, wherein: the exhaust system comprises a main pipeline I (4) and a plurality of groups of exhaust equipment (1), wherein the plurality of groups of exhaust equipment (1) are connected in parallel and then are communicated with one end of the main pipeline I (4), and the other end of the main pipeline I (4) is communicated with an air inlet of the shunt box (6).

6. The overhead discharge system of claim 5 wherein: and a fan (3) is arranged on the primary pipeline I (4).

7. The overhead discharge system of any one of claims 1-6, wherein: an air outlet (10) of the split box (6) is connected with a main pipeline II (13), split boxes (6) are arranged at the junction of the plurality of main pipelines II (13), and each air inlet of each split box (6) is communicated with the corresponding main pipeline II (13).