CN114791167A

CN114791167A - Energy-saving air pipe structure of exhaust system and exhaust system

Info

Publication number: CN114791167A
Application number: CN202210714996.7A
Authority: CN
Inventors: 马浩; 李博; 耿藏军
Original assignee: China Railway Construction Electrification Bureau Group Co Ltd; Third Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Current assignee: China Railway Construction Electrification Bureau Group Co Ltd; Third Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-07-26

Abstract

The application relates to an energy-saving air pipe structure of an exhaust system and the exhaust system, wherein the energy-saving air pipe structure of the exhaust system comprises an angle steel flange, a U-shaped pressing sheet, a C-shaped pin clamp and an air pipe. The air pipes are sequentially connected along the length extending direction of the energy-saving air pipe structure of the exhaust system, one ends, close to each other, of the two adjacent air pipes are respectively provided with an angle steel flange, the two angle steel flanges on the two adjacent air pipes are connected, one sides, close to each other, of the two angle steel flanges on the two adjacent air pipes are respectively provided with a U-shaped pressing sheet, and the two U-shaped pressing sheets on the two adjacent angle steel flanges are connected in a sealing mode through C-shaped pin clamps. The utility model provides an energy-conserving tuber pipe structure of exhaust system passes through two adjacent tuber pipes of angle steel flange connection, and still carries out sealing connection through U-shaped preforming and C shape round pin card between the angle steel flange of two adjacent tuber pipes to can avoid adjacent tuber pipe to take place to leak out in the junction, and then can avoid the energy to take place great loss, in order to reach energy-conserving purpose.

Description

Energy-saving air pipe structure of exhaust system and exhaust system

Technical Field

The application relates to the technical field of air pipe connection of an exhaust system, in particular to an energy-saving air pipe structure of the exhaust system and the exhaust system.

Background

The air pipe system processing and mounting scheme of the hundred thousand grade and above clean air exhaust system needs to be optimized in the construction process, the air leakage rate of the purification air conditioning unit, the air pipe valve and the terminal equipment is reduced, and unnecessary energy loss in the operation process is avoided.

However, the adjacent air ducts of the energy-saving air duct structure of the existing exhaust system can leak air at the joint, resulting in energy loss.

Disclosure of Invention

In order to solve the technical problems or at least partially solve the technical problems, the application provides an energy-saving air duct structure of an exhaust system and the exhaust system.

In a first aspect, the application provides an energy-saving air pipe structure of an exhaust system, which comprises an angle steel flange, a U-shaped pressing sheet, a C-shaped pin clamp and an air pipe;

the air pipe comprises a plurality of air pipes, the air pipes are arranged along the length extending direction of the energy-saving air pipe structure of the exhaust system in sequence, the air pipes are adjacent to each other, the angle iron flanges are arranged at one ends, close to each other, of the air pipes respectively, the angle iron flanges are adjacent to each other, the angle iron flanges are connected to each other, the angle iron flanges are adjacent to each other, one sides, close to each other, of the angle iron flanges are respectively provided with one U-shaped pressing sheet, the angle iron flanges are adjacent to each other, the U-shaped pressing sheets are connected to each other through C-shaped pins, and sealing structure glue is arranged between the two adjacent U-shaped pressing sheets.

According to an embodiment of the application, two U-shaped pressing sheets on two adjacent angle steel flanges are arranged in axial symmetry by a symmetry axis, and the symmetry axis is parallel to the width direction of the air pipe.

According to an embodiment of the present application, the U-shaped pressing piece comprises a first pressing piece section and a second pressing piece section connected with the first pressing piece section, the first pressing piece section extends along the length direction of the air duct, and the second pressing piece section is bent relative to the first pressing piece section.

According to an embodiment of the application, the second pressing section is provided with a flanging at the end far away from the first pressing section so as to be clamped with the C-shaped pin clamp.

According to one embodiment of the application, a sealant is disposed between the C-shaped pin clip and the U-shaped press tab.

According to one embodiment of the application, the angle steel flanges are provided with fastening holes, and the two adjacent angle steel flanges on the air pipes are connected through fastening pieces arranged in the fastening holes.

In a second aspect, the present application provides an exhaust system, comprising an energy-saving air duct structure of the exhaust system, a filter and a plenum box; the static pressure box is arranged at the tail end of the energy-saving air pipe structure of the exhaust system, and the filter is arranged in the static pressure box.

According to an embodiment of the application, a rubber pad is arranged on the peripheral wall of the filter.

According to an embodiment of the application, the filter further comprises a spring fastening means arranged in the static pressure box and at least partly rotatable to be rotatable and to be pressed against the filter when the filter is mounted in the static pressure box.

According to an embodiment of the present application, the spring fastening means includes a connection rod, an elastic member, and a rotation click piece;

the connecting rod is fixed on the static pressure box and located on the periphery of the filter, the rotary clamping sheet is rotatably arranged on the connecting rod, and the elastic piece is sleeved on the connecting rod and abutted against the bottom surface of the rotary clamping sheet, so that the rotary clamping sheet can be pressed on the filter under the action of the elastic piece.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the application provides an energy-conserving tuber pipe structure of exhaust system and exhaust system, this energy-conserving tuber pipe structure of exhaust system include angle steel flange, U-shaped preforming, C shape round pin card and tuber pipe. The tuber pipe includes a plurality ofly, a plurality of tuber pipes connect gradually along the length extending direction of the energy-conserving tuber pipe structure of exhaust system, and the one end that is close to each other of two adjacent tuber pipes is provided with the angle steel flange respectively, two angle steel flange connections on two adjacent tuber pipes, the one side that is close to each other of two angle steel flanges on two adjacent tuber pipes is provided with a U-shaped preforming respectively, two U-shaped preforming on two adjacent angle steel flanges pass through C shape round pin card sealing connection. That is to say, the energy-conserving tuber pipe structure of exhaust system of this application passes through two adjacent tuber pipes of angle steel flange connection, and still connects through U-shaped preforming and C shape round pin card between the angle steel flange of two adjacent tuber pipes, and is provided with sealed structure between two adjacent U-shaped preforming and glues to can avoid adjacent tuber pipe to take place to leak out in the junction, and then can avoid the energy to take place great loss, in order to reach energy-conserving purpose.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an energy-saving air duct structure of an exhaust system according to an embodiment of the present application;

FIG. 2 is a schematic view of a C-shaped pin clip of an energy-saving air duct structure of an exhaust system according to an embodiment of the present application;

FIG. 3 is a schematic view of a U-shaped pressing piece and a C-shaped pin clip of an energy-saving air duct structure of an exhaust system according to an embodiment of the present application;

fig. 4 is a schematic view of a spring fastening device arranged on a static pressure box of the air exhaust system according to the embodiment of the application.

Wherein, 1, angle steel flanges; 2. u-shaped tabletting; 21. a first press section; 22. a second press section; 3. c-shaped pin clamps; 4. an air duct; 5. a fastener; 6. a static pressure box; 7. a spring fastening device; 71. the engagement piece is rotated.

Detailed Description

In order that the above-mentioned objects, features and advantages of the present application may be more clearly understood, the solution of the present application will be further described below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein; it is to be understood that the embodiments described in this specification are only some embodiments of the present application and not all embodiments.

The air pipe system processing and mounting scheme of the hundred thousand grade and above clean air exhaust system needs to be optimized in the construction process, the air leakage rate of the purification air conditioning unit, the air pipe valve and the terminal equipment is reduced, and unnecessary energy loss in the operation process is avoided. In addition, the construction specification is strictly executed, the cleanness of the clean exhaust system is kept, and the pollution to the whole system in the later period of air blowing is reduced.

Before construction, a fluent analysis optimization clean air exhaust system airflow organization scheme is used, a pipeline optimal path is planned, air quantity is accurately calculated and distributed, after the system is completed, a high-precision air quantity cover is used for measuring the air quantity, the air quantity and the pressure difference of an air-conditioning room are controlled to be the lowest values allowed by design, and air loss among gaps, doors and communicated equipment is reduced. The Fluent technology optimizes an airflow organization scheme: the flow technology can be used for simulating a speed field, a temperature field, a humidity field and a harmful substance concentration field of indoor air flow, so that the path of a pipeline is further optimized, and parameters such as a proper air (return) inlet form, position, specification, quantity, air (return) inlet quantity, air speed, temperature and the like are determined, thereby having important effects on improving indoor air quality and reducing energy consumption.

With the development and progress of the society, the demand of clean air conditioners in special industries such as hospitals, pharmaceutical factories and electronic factories is higher and higher, and the higher level clean air conditioners have larger air volume, more ventilation times, large cold and hot load, more filter layers and large local resistance compared with the common air conditioners, so that the cost of construction and later operation of the high level clean air conditioners is relatively higher.

The research is suitable for occasions with higher requirements on air quality, such as operating rooms of hospitals, Intensive Care Units (ICU) wards, food processing, microelectronic production, precise equipment rooms, medicine production and the like, and has wide application range. The research not only ensures the production requirements of special industries and improves the quality of products and services, but also prolongs the service life of ventilation system equipment and reduces the operation and maintenance cost, thereby having good prospect in the future popularization and application.

Example one

Referring to fig. 1 to 4, the present embodiment provides an energy-saving air duct structure of an exhaust system, which includes an angle iron flange 1, a U-shaped pressing sheet 2, a C-shaped pin 3, and an air duct 4.

The air ducts 4 comprise a plurality of air ducts 4, the air ducts 4 are sequentially connected along the length extending direction (refer to the x direction shown in fig. 1) of the energy-saving air duct structure of the exhaust system, the end, close to each other, of each two adjacent air ducts 4 is provided with an angle iron flange 1, one side, close to each other, of each two angle iron flanges 1 on each two adjacent air ducts 4 is provided with a U-shaped pressing piece 2, and the two U-shaped pressing pieces 2 on each two adjacent angle iron flanges 1 are connected in a sealing mode through a C-shaped pin clamp 3.

In specific implementation, this embodiment is described by taking two air ducts 4 as an example, the x direction shown in fig. 1 is set, the air duct 4 on the left is a first air duct, the air duct 4 on the right is a second air duct, wherein the right end of the first air duct is provided with an angle iron flange 1, the left end of the second air duct is provided with an angle iron flange 1, the right end of the angle iron flange 1 of the first air duct is provided with a U-shaped pressing piece 2, the left end of the angle iron flange 1 of the second air duct is provided with a U-shaped pressing piece 2, the two U-shaped pressing pieces 2 are clamped by a C-shaped pin 3, sealing can be realized by setting sealing cotton or sealing structure glue between the specific U-shaped pressing pieces 2, and the clamping schematic diagram of the specific U-shaped pressing pieces 2 and the C-shaped pin 3 is shown in fig. 3.

In the specific case that there are a plurality of air ducts 4, the connection between the air ducts 4 refers to the above description, and this embodiment is not described again.

In conclusion, the energy-saving air pipe structure of the exhaust system of the embodiment is connected with two adjacent air pipes 4 through the angle iron flanges 1, and the angle iron flanges 1 of the two adjacent air pipes 4 are connected in a sealing manner through the U-shaped pressing pieces 2 and the C-shaped pin clamps 3, so that air leakage at the joints of the adjacent air pipes 4 can be avoided, and further, energy can be prevented from being greatly lost, and the purpose of energy saving can be achieved.

In some embodiments, referring to fig. 3, two U-shaped pressing pieces 2 on two adjacent angle iron flanges 1 are arranged in axial symmetry with a symmetry axis parallel to the width direction of the air duct 4, so that the two U-shaped pressing pieces 2 can be clamped by the same C-shaped pin 3. Specifically, referring to FIG. 3, the axis of symmetry may be in the y-direction as shown in FIG. 3.

During the concrete realization, U-shaped preforming 2 both can pass through fastener 5 with angle steel flange 1 and be connected, or U-shaped preforming 2 also can pass through welded connection or through casting integrated into one piece with angle steel flange 1.

Referring to fig. 3, in some embodiments, the U-shaped pressing piece 2 includes a first pressing piece 21 and a second pressing piece 22 connected to the first pressing piece 21, the first pressing piece 21 extends along the length direction of the air duct 4 (refer to the x direction shown in fig. 1), and a portion of the second pressing piece 22 is bent relative to the first pressing piece 21, so that the first pressing piece 21 and the second pressing piece 22 enclose the pressing piece to form a U-shaped structure.

In a specific implementation, the first press section 21 and the second press section 22 may be integrally forged or integrally cast, or the first press section 21 and the second press section 22 may also be integrally welded.

In some embodiments, the end of the second pressing segment 22 away from the first pressing segment 21 is provided with a flanging for clamping with the C-shaped pin clip 3, so that the reliable connection between the second pressing segment 22 and the C-shaped pin clip 3 can be realized through the clamping of the flanging with the C-shaped pin clip 3.

In some embodiments, a sealant is provided between the C-shaped pin clamp 3 and the U-shaped pressing plate 2, so as to further ensure the connection tightness between two adjacent air ducts 4 and prevent air leakage.

During the concrete realization, can be for angle steel flange 1's connection structure: the angle iron flanges 1 are provided with fastening holes, and the two angle iron flanges 1 on the two adjacent air pipes 4 are connected through fastening pieces 5 arranged in the fastening holes. Illustratively, the fastening holes may be threaded holes, and the fastening members 5 may be bolts or screws that mate with the threaded holes. Alternatively, the fastening hole may be a light hole, and the fastening member 5 may be a fastening pin engaged with the light hole.

Example two

Referring to fig. 1 to 4, the present embodiment further provides an exhaust system, which includes an energy-saving air duct structure of the exhaust system, a filter, and a static pressure box 6; the static pressure box 6 is arranged at the tail end of the energy-saving air pipe structure of the exhaust system, and the filter is arranged in the static pressure box 6.

The energy-saving air duct structure of the exhaust system and the specific structure and implementation principle of the exhaust system in this embodiment are the same as those of the energy-saving air duct structure of the exhaust system and the structure of the exhaust system provided in the first embodiment, and can bring about the same or similar technical effects, which are not described herein one by one, and specific reference may be made to the description of the first embodiment.

In some embodiments, a rubber pad is arranged on the outer peripheral wall of the filter, and a sponge or rubber gasket can be adhered to the periphery of the filter when the filter is installed, and the rubber pad is selected in the embodiment, so that the filter can be stably pushed into the static pressure box 6 and tightly attached to the inner wall of the static pressure box 6 when the rubber pad is compressed by 40% -50%.

In some embodiments, a spring fastening device 7 is also included, the spring fastening device 7 being disposed within the plenum box 6 and the spring fastening device 7 being at least partially rotatable so as to be rotatable and press on the filter when the filter is mounted within the plenum box 6.

In particular, before the filter is mounted, part of the spring fastening means 7 can be rotated, so that the filter can be mounted without interference in the plenum box 6; after the filter has been placed in the static pressure tank 6, it can be pressed against the filter by rotating part of the spring fastening means 7, so that a stable assembly of the filter in the static pressure tank 6 is achieved.

Specifically, the spring fastening device 7 includes a connecting rod, an elastic member, and a rotating click piece 71; the connecting rod is fixed on the static pressure box 6 and is positioned at the periphery of the filter, the rotating clamping sheet 71 is rotatably arranged on the connecting rod, the elastic piece is sleeved on the connecting rod and abuts against the bottom surface of the rotating clamping sheet 71, so that the rotating clamping sheet 71 can be pressed on the filter under the action of the elastic piece.

In particular, before the installation of the filter, the rotary tabs 71 can be rotated so that the filter can be installed without interference inside the plenum box 6; after the filter is placed in the static pressure box 6, the filter can be stably assembled in the static pressure box 6 by rotating the rotary snap piece 71 so that the filter can be pressed against the elastic force of the elastic member.

Illustratively, the elastic member may be a spring or other member having elastic and cushioning properties.

After the exhaust system is finished, the high-precision air volume cover is used for measuring the air volume, the air volume and the pressure difference of the air-conditioning room are controlled to be the lowest values allowed by design, and the air loss among gaps, doors and communication equipment is reduced.

In conclusion, the energy-saving air pipe structure of the exhaust system adopted by the exhaust system of the application is connected with two adjacent air pipes through the angle iron flanges, the angle iron flanges of the two adjacent air pipes are connected through the U-shaped pressing sheets and the C-shaped pin clamps, and the sealing structure glue is arranged between the two adjacent U-shaped pressing sheets, so that air leakage at the joint of the adjacent air pipes can be avoided, and further, energy can be avoided from being greatly lost, and the purpose of energy conservation can be achieved.

In addition, the exhaust system of the present embodiment may be a hundred thousand grade or more clean exhaust system. The construction technology of applying the energy-saving air pipe structure of the clean air exhaust system of one hundred thousand grades and above and the air exhaust system optimizes the system scheme and the construction process, not only shortens the construction period and saves the cost, but also provides a new idea for the research of installing energy-saving and efficiency improvement of the high-grade clean air exhaust system: the tightness of the system is increased, and the reduction of air leakage is the most direct expression of saving energy and improving the use efficiency of the system.

Moreover, the existing exhaust system has the defects of redundant pipelines, high air leakage rate and serious dust accumulation, the problem that the frequency of replacing filters at all levels is high, so that the user can reflect most, the embodiment is optimized from the source aiming at the defects in the past, the service life of equipment is prolonged, the energy loss and the maintenance cost in the operation process of the system are saved, and the high-quality service experience is provided for the customer.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An energy-saving air pipe structure of an exhaust system is characterized by comprising an angle steel flange (1), a U-shaped pressing sheet (2), a C-shaped pin clamp (3) and an air pipe (4);

the air pipe (4) comprises a plurality of air pipes (4), the air pipes (4) are arranged along the length extending direction of the energy-saving air pipe structure of the exhaust system, the length extending direction of the energy-saving air pipe structure of the exhaust system is sequentially connected, the length extending direction of the energy-saving air pipe structure of the exhaust system is adjacent to two air pipes (4), one ends, close to each other, of the air pipes (4) are respectively provided with the angle iron flanges (1), the two angle iron flanges (4) are adjacent to each other, the two angle iron flanges (1) are respectively provided with the U-shaped pressing pieces (2), the two angle iron flanges (1) are adjacent to each other, the U-shaped pressing pieces (2) pass through the C-shaped pin clamps (3) and are connected, and a sealing structure adhesive is arranged between the two adjacent U-shaped pressing pieces (2).

2. The air exhaust system energy-saving air duct structure according to claim 1, wherein two U-shaped pressing sheets (2) on two adjacent angle steel flanges (1) are arranged in axial symmetry with a symmetry axis, and the symmetry axis is parallel to the width direction of the air duct (4).

3. The energy-saving air duct structure of air exhaust system according to claim 1, characterized in that the U-shaped pressing sheet (2) comprises a first pressing sheet section (21) and a second pressing sheet section (22) connected with the first pressing sheet section (21), the first pressing sheet section (21) extends along the length direction of the air duct (4), and the second pressing sheet section (22) is arranged in a bending way relative to the first pressing sheet section (21).

4. The energy-saving air duct structure of air exhaust system according to claim 3, characterized in that one end of the second pressing segment (22) far away from the first pressing segment (21) is provided with a flanging to be clamped with the C-shaped pin clamp (3).

5. The energy-saving air duct structure of air exhaust system according to any one of claims 1 to 4, characterized in that a sealant is arranged between the C-shaped pin clamp (3) and the U-shaped pressing sheet (2).

6. The energy-saving air duct structure of the exhaust system according to any one of claims 1 to 4, characterized in that the angle iron flanges (1) are provided with fastening holes, and two angle iron flanges (1) on two adjacent air ducts (4) are connected through fastening pieces (5) arranged in the fastening holes.

7. An exhaust system, characterized in that it comprises an energy-saving air duct structure of exhaust system, a filter and a static pressure box (6) according to any claim 1 to 6;

the static pressure box (6) is arranged at the tail end of the energy-saving air pipe structure of the exhaust system, and the filter is arranged in the static pressure box (6).

8. The exhaust system according to claim 7, wherein the peripheral wall of the filter is provided with a rubber pad.

9. Exhaust system according to claim 7, further comprising spring fastening means (7), the spring fastening means (7) being arranged in the plenum box (6) and the spring fastening means (7) being at least partly rotatable to be rotatable and to be pressed against the filter when the filter is mounted in the plenum box (6).

10. -air exhaust system according to claim 9, characterized in that the spring fastening means (7) comprise a connecting rod, an elastic element and a rotary catch (71);

the connecting rod is fixed on the static pressure box (6) and is positioned at the periphery of the filter, the rotating clamping sheet (71) is rotatably arranged on the connecting rod, the elastic piece is sleeved on the connecting rod and abuts against the bottom surface of the rotating clamping sheet (71), so that the rotating clamping sheet (71) can be pressed on the filter under the action of the elastic piece.