CN110332643B

CN110332643B - Fresh air system

Info

Publication number: CN110332643B
Application number: CN201910597982.XA
Authority: CN
Inventors: 杨永生; 王华中
Original assignee: Beijing Zhihua Weiye Refrigeration Equipment Co ltd
Current assignee: Beijing Oulos Technology Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-11-20
Anticipated expiration: 2039-07-04
Also published as: CN110332643A

Abstract

The invention relates to a fresh air system, which comprises a fresh air ventilator, wherein a fresh air inlet of the fresh air ventilator is communicated with the indoor space through a fresh air pipeline, a dirty air outlet of the fresh air ventilator is communicated with the outdoor space through a dirty air pipeline, a fresh air outlet of the fresh air ventilator is communicated with the indoor space through a ventilation pipeline, a dirty air inlet of the fresh air ventilator is communicated with the indoor space through an exhaust pipeline, a filtering device is arranged between the exhaust pipeline and the dirty air inlet of the fresh air ventilator and comprises an outer shell and a filtering component which are hollow inside, the exhaust pipeline is butted with an air inlet of the outer shell, an air outlet of the outer shell is communicated with the dirty air inlet of the fresh air ventilator through a communication pipeline, one end of the exhaust pipeline, far away from the filtering device, is positioned in the workshop and close to the ground. The invention has the advantages that the interior of the workshop is ventilated, and fresh air is provided for the workshop, so that the content of fresh air in the workshop is ensured.

Description

Fresh air system

Technical Field

The invention relates to the technical field of indoor air conditioning systems of buildings, in particular to a fresh air system.

Background

Industrial plants are a very closed environment and open central air conditioning throughout the year. Many of the existing workshops for producing large products generate a large amount of dust in the production process. Because the air tightness of the central air conditioner is very high. Therefore, almost no fresh air comes in, the ventilation system of the existing workshop is insufficient, the fresh air quantity is insufficient, workers work in the environment, and due to the consumption of oxygen, the workers often feel that the breathing is difficult and even faint; meanwhile, the large amount of dust is easy to cause pneumoconiosis and other diseases. And the dust and heat generated in the production workshop are pollution and damage to the central air conditioner, so that the operation energy efficiency of the central air conditioner is reduced for a long time, and the service life of the central air conditioner is greatly shortened.

Disclosure of Invention

The invention aims to provide a fresh air system which can ventilate the interior of a workshop and provide fresh air for the workshop, so that the content of fresh air in the workshop is ensured.

The above object of the present invention is achieved by the following technical solutions:

a fresh air system comprises a fresh air ventilator fixed on the side wall of a workshop, a fresh air inlet of the fresh air ventilator is communicated with the interior of the workshop through a fresh air pipeline, a dirty air outlet of the fresh air ventilator is communicated with the exterior of the workshop through a dirty air pipeline, a fresh air outlet of the fresh air ventilator is communicated with the interior of the workshop through a ventilation pipeline, a dirty air inlet of the fresh air ventilator is communicated with the interior of the workshop through an exhaust pipeline, a filtering device fixed on the side wall of the workshop is arranged between the exhaust pipeline and the dirty air inlet of the fresh air ventilator and comprises a hollow shell and filtering components arranged in the shell, the left end and the right end of the shell are respectively provided with an air inlet and an air outlet, the exhaust pipeline is butted with the air inlet of the shell, the air outlet of the shell is communicated with the dirty air inlet of the fresh air ventilator through a, the air outlet of the ventilation pipeline is positioned at the top of the side wall of the workshop.

Through adopting above-mentioned technical scheme, pass through the inside that the exhaust duct took out fresh air ventilator with the indoor air in workshop through fresh air ventilator, and discharge outdoor through dirty wind pipeline, send outdoor fresh air into fresh air ventilator through fresh air pipeline, send into fresh air that fresh air ventilator is inside through air pipe at last and send into the workshop in, thereby guarantee fresh air's in the workshop content, set up filter equipment simultaneously between exhaust duct and fresh air ventilator, thereby filter the air that enters into fresh air ventilator, reduce the content of exhaust gas's dust.

The invention is further configured to: the shell is half shell and the right half shell of the left side that sets up relatively including controlling, and half shell is fixed on the wall body in the left side, and half shell is provided with the guide bar that the level stretches out right towards the one end of half shell right, and half shell is inside on the right side is fixed with the suit and slides the sliding sleeve that links to each other on the guide bar and with the guide bar towards the one end of half shell in the left side, is in the same place through the bolt fastening between half shell on the left side and the half shell on the right side.

Through adopting above-mentioned technical scheme, can open the shell to the filter equipment who is located the shell inside clears up or changes.

The invention is further configured to: the communicating pipeline is a corrugated pipe made of plastic.

Through adopting above-mentioned technical scheme, when pulling right half shell and removing, the length of communicating pipe can be adjusted automatically along with the removal of right half shell.

The invention is further configured to: and a handle is arranged on one side of the right half shell, which deviates from the side wall of the workshop.

Through adopting above-mentioned technical scheme, be convenient for pull the right half shell, make the right half shell remove to the direction of keeping away from left half shell.

The invention is further configured to: and a limiting block is arranged at one end of the guide rod extending into the right half shell.

Through adopting above-mentioned technical scheme, the condition that breaks away from appears between the right half shell and the left half shell.

The invention is further configured to: the filter assembly comprises a mounting plate fixed inside the left half shell, a plurality of communicating holes are formed in the mounting plate, one side, away from the air inlet of the shell, of the mounting plate is provided with a filter cloth bag in one-to-one correspondence with the communicating holes, the bag opening of the filter cloth bag faces the communicating holes and is connected with the communicating holes in a detachable mode inside the bag opening, and the filter cloth bag is connected with the mounting plate in a detachable mode.

Through adopting above-mentioned technical scheme, seal the intercommunicating pore through filtering the sack to the gas that passes through the intercommunicating pore passes through filtering the sack, through filtering effect filtering the sack, thereby keeps the dust in filtering the inside of sack and collects.

The invention is further configured to: the filter cloth bag comprises a filter body with two open ends and a tubular shape, one end of the filter body is bound and tightened through a binding band to form a closed end of the filter cloth bag, the other end of the filter body is a bag opening of the filter cloth bag, and a mouth opening ring is arranged at the bag opening of the filter cloth bag.

Through adopting above-mentioned technical scheme, when clearing up filtering cloth bag, need not dismantle filtering cloth bag, open the bandage on the filter body, will filter the blind end of cloth bag and open to the dust that makes to deposit in filtering cloth bag inside pours out from filtering cloth bag's blind end.

The invention is further configured to: the opening supporting ring and the mounting plate are fixed together through bolts.

Through adopting above-mentioned technical scheme, can dismantle the filter cloth bag from the mounting panel to can change the filter cloth bag when the filter cloth bag takes place to damage.

The invention is further configured to: exhaust duct keeps away from filter equipment's one end and is provided with the shunt tubes that are linked together with exhaust duct inside, is provided with a plurality of lateral branches on the shunt tubes, and the lateral branch is linked together with shunt tubes inside.

Through adopting above-mentioned technical scheme, ensure that the air in workshop can be comprehensive be taken out by the lateral pipe.

The invention is further configured to: and an insect-proof net is arranged at the air inlet of the branch pipe.

Through adopting above-mentioned technical scheme, prevent that the mosquito from flying into in the lateral pipe to fly into filter equipment's inside.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the fresh air ventilation system comprises a fresh air ventilator, an exhaust pipeline, a fresh air pipe and a filter device, wherein the fresh air pipe is arranged between the exhaust pipeline and the fresh air ventilator;

2. the shell is split type, can open the shell to the filter equipment who is located the shell inside clears up or changes.

Drawings

FIG. 1 is a schematic diagram of a fresh air system;

FIG. 2 is a schematic structural diagram of the outer side face of the side wall of the workshop;

FIG. 3 is a schematic view of a partial structure at the filtering apparatus;

FIG. 4 is an exploded view of the filter apparatus;

fig. 5 is a schematic view of the structure of a filter cloth bag.

In the figure, 1, a fresh air ventilator; 2. a fresh air duct; 3. a dirty air duct; 4. a ventilation duct; 41. an air outlet device; 5. an exhaust duct; 51. a shunt tube; 511. a branch pipe; 52. an insect-proof net; 6. a communicating pipe; 7. a filtration device; 71. a housing; 711. a left half shell; 7111. a first flanging; 712. a right half shell; 7121. second flanging; 72. a filter assembly; 721. mounting a plate; 7211. a communicating hole; 722. a filter cloth bag; 7221. a filter body; 7222. an opening support ring; 7223. binding bands; 73. a handle; 74. a sealing strip; 8. a guide bar; 81. a limiting block; 9. and (4) a sliding sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the fresh air system disclosed by the invention comprises a fresh air ventilator 1 fixed on the surface of the side wall of a workshop, wherein the fresh air ventilator 1 is installed on the inner side surface of the side wall of the workshop. Fresh air ventilator 1's new trend entry is linked together with outdoor through the fresh air pipeline 2 that runs through the workshop side wall, fresh air ventilator 1's dirty wind export is linked together with outdoor through the dirty wind pipeline 3 that runs through the workshop side wall, fresh air ventilator 1's new trend export is linked together through setting up air pipe 4 and the workshop inner space at the inboard surface of workshop side wall, fresh air ventilator 1's dirty wind entry is linked together through setting up at the exhaust pipe 5 and the workshop inner space of inboard surface of workshop side wall.

A filtering device 7 fixed on the side wall of the workshop is arranged between the exhaust pipeline 5 and the dirty air inlet of the fresh air ventilator 1, and the exhaust pipeline 5 is communicated with the inside of the filtering device 7. A communicating pipeline 6 is arranged between the filtering device 7 and the fresh air ventilator 1, and the communicating pipeline 6 communicates the filtering device 7 with a dirty air inlet of the fresh air ventilator 1. The fresh air pipeline 2, the dirty air pipeline 3, the ventilation pipeline 4 and the fresh air ventilator 1 are connected through flanges. The two ends of the communicating pipeline 6 are communicated with flanges between the fresh air ventilator 1 and the filtering device 7, and the exhaust pipeline 5 is also connected with the filtering device 7 through the flanges.

And the ventilation pipeline 4 is attached to the side wall of the workshop and extends to the top end of the side wall of the workshop. An air outlet device 41 is fixed at the top end of the side wall of the workshop, and the ventilation pipeline 4 is communicated with the inside of the air outlet device 41. So that fresh air is supplied to the interior of the plant through the ventilation duct 4.

Referring to fig. 2, the position of the dirty air duct 3 extending out of the side wall of the workshop is higher than the position of the fresh air duct 2 extending out of the side wall of the workshop, so that the situation that the fresh air duct 2 sucks the gas sent out by the dirty air duct 3 through the fresh air duct 2 to reach the indoor environment is avoided.

Referring to fig. 1, the exhaust duct 5 is fixed on the surface of the side wall of the workshop through a duct fixing clip and extends to the bottom of the side wall of the workshop, a shunt pipe 51 communicated with the inside of the exhaust duct 5 is arranged at one end of the exhaust duct 5 far away from the filtering device 7, and the shunt pipe 51 is connected with the exhaust duct 5 in a welding manner. Shunt tubes 51 are the level setting and fix on the workshop side wall through the connecting rod, the both ends of connecting rod, and one of them end anchor is in the inside of workshop side wall, and the other end and shunt tubes 51 welded fastening. A plurality of vertically downward branch pipes 511 are arranged on the shunt pipe 51, and the branch pipes 511 are connected with the shunt pipe 51 in a welding way and are communicated with the inside.

Referring to fig. 1, the air outlet of the branch pipe 511 is located on the surface of one side away from the side wall of the workshop, an insect-proof net 52 is fixed at the air inlet of the branch pipe 511, and thus mosquitoes are prevented from entering the inside of the exhaust duct 5 through the insect-proof net 52.

The ventilation duct 4 feeds outdoor fresh air into the plant from the top of the plant, and the air in the plant is drawn out through a branch pipe 511 of an exhaust duct 5 provided at the bottom of the plant and is discharged to the outside of the plant via a dirty air duct 3, thereby forming an air circulation. The air sucked into the exhaust duct 5 is filtered by the filter device 7, and the air filtered by the filter device 7 is introduced into the fresh air ventilator 1 through the fresh air ventilator 1 and is finally discharged to the outside of the workshop through the dirty air duct 3.

Referring to fig. 3 and 4, the filtering device 7 includes a hollow rectangular casing 71, and the end surfaces of the left and right ends of the casing 71 are respectively provided with an air inlet and an air outlet. The filter assembly 72 which is positioned in the shell 71 and used for separating the air inlet from the air outlet is arranged, the filter assembly 72 comprises a mounting plate 721 fixed in the shell 71 in a welding mode, a plurality of communicating holes 7211 are formed in the surface of the mounting plate 721, filter cloth bags 722 the number of which is matched with that of the communicating holes 7211 are arranged on one side of the mounting plate 721 departing from the air inlet of the shell 71, and the filter cloth bags 722 correspond to the communicating holes 7211 one by one. The bag mouth of the filter cloth bag 722 faces the mounting plate 721 and is detachably connected with the mounting plate 721, and the communicating hole 7211 is enclosed by the bag mouth of the filter cloth bag 722.

The air entering the housing 71 from the air inlet flows into the filter cloth bag 722 through the communication hole 7211 for filtering, and the dust impurities in the air are left in the filter cloth bag 722, so that the air passing through the filter cloth bag 722 is sent into the fresh air ventilator 1 through the communication pipe 6.

The shell 71 is divided into two parts from the middle center line between the left end and the right end, namely a left half shell 711 and a right half shell 712, wherein the left half shell 711 is fixed on the wall surface of the side wall of the workshop through a fixing seat. Mounting plate 721 is secured to the interior of left housing half 711. The air inlet of the housing 71 is arranged on the left half shell 711, and the air outlet of the housing 71 is arranged on the right half shell 712. The two ends of the communication pipe 6 are respectively connected with the right half shell 712 and the fresh air ventilator 1. The communication pipeline 6 adopts a corrugated pipe with telescopic length.

The opposite end of the left half-shell 711 and the right half-shell 712 is provided with a first flange 7111 extending outwards and positioned outside the left half-shell 711, and the first flange 7111 and the left half-shell 711 are integrally formed. And a second flange 7121 extending outwards is arranged on the outer part of the right half shell 712, and the second flange 7121 and the right half shell 712 are integrally formed. The first flange 7111 and the second flange 7121 are mated when the left housing half 711 and the right housing half 712 are mated together and the first flange 7111 and the second flange 7121 are mated together. The first flange 7111 and the second flange 7121 are fixed together by bolts.

A sealing strip 74 is arranged between the first flange 7111 and the second flange 7121, and the sealing strip 74 is annular and is arranged between the first flange 7111 and the second flange 7121. The sealing strip 74 is provided with a through hole through which a bolt for fixing the first flange 7111 and the second flange 7121 passes.

A cylindrical guide bar 8 protruding toward the right half shell 712 is provided at four corners of one side surface of the mounting plate 721 facing the right half shell 712, and the guide bar 8 and the mounting plate 721 are welded and fixed. A sliding sleeve 9 matched with the guide rod 8 is arranged at a position opposite to the guide rod 8 at an opening of one side of the right half shell 712 facing the left half shell 711, and the sliding sleeve 9 is sleeved outside the guide rod 8 and is connected with the guide rod 8 in a sliding manner. The sliding sleeve 9 and the right half shell 712 are welded and fixed. When the right half shell 712 is moved toward the left half shell 711 until it abuts against the left half shell 711, a gap is left between the end of the guide rod 8 that extends into the right half shell 712 and the end face of the right half shell 712 that is away from the left half shell 711.

A limiting block 81 integrally formed with the guide rod 8 is arranged at one end of the guide rod 8 extending into the right half shell 712, and the maximum width of the limiting block 81 is larger than the inner hole diameter of the sliding sleeve 9. Through the limiting block 81, when the sliding sleeve 9 slides on the guide rod 8, the sliding sleeve 9 cannot be separated from the end of the guide rod 8 extending into the right half shell 712.

Referring to fig. 4 and 5, the filter cloth bag 722 comprises a filter body 7221 enclosed in a cylindrical tube shape and having two open ends, wherein one end of the filter body 7221 is bound and tightened by a binding band 7223 to form a closed end of the filter cloth bag 722, and the other end is a bag opening of the filter cloth bag 722. An opening-supporting ring 7222 fixedly connected with the filtering body 7221 is arranged at the bag opening of the filtering cloth bag 722, and the circumference of a tubular structure surrounded by the filtering body 7221 is matched with the circumference of an inner hole of the opening-supporting ring 7222. When the filter cloth bag 722 and the mounting plate 721 are connected together, the opening-expanding ring 7222 is attached to the surface of the mounting plate 721 such that the opening of the filter cloth bag 722 faces the communication hole 7211, and the opening-expanding ring 7222 is fixed to the mounting plate 721 by bolts, thereby connecting the filter cloth bag 722 and the mounting plate 721 together.

The handle 73 is fixed on the surface of one side, which is away from the side wall of the workshop, of the right half shell 712, the right half shell 712 is convenient to pull through the handle 73, so that the right half shell 712 is far away from the left half shell 711, the filtering cloth bag 722 is exposed, and the filtering cloth bag 722 is convenient to replace and clean.

When the filter cloth bag 722 needs to be cleaned, the bolts on the left half shell 711 and the right half shell 712 are detached, the left half shell 711 and the right half shell 712 are separated, the right half shell 712 is pushed to move in the direction away from the left half shell 711, and the opening at the right end of the left half shell 711 is exposed, so that an operator can clean or replace the filter cloth bag 722. After cleaning or replacement, the right half shell 712 is pulled to move toward the left half shell 711 until the right half shell 712 abuts against the left half shell 711, and finally the left half shell 711 and the right half shell 712 are fixed by bolts.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a fresh air system, is including fixing fresh air ventilator (1) on the workshop side wall, fresh air inlet of fresh air ventilator (1) communicates with each other with indoor through fresh air pipeline (2), the dirty wind export of fresh air ventilator (1) leads to outdoors through dirty wind pipeline (3), fresh air outlet of fresh air ventilator (1) communicates with each other with indoor through air pipe (4), the dirty wind entry of fresh air ventilator (1) is linked together its characterized in that through exhaust duct (5) with indoor: a filtering device (7) fixed on a workshop side wall is arranged between the exhaust pipeline (5) and a dirty air inlet of the fresh air ventilator (1), the filtering device (7) comprises a shell (71) with a hollow interior and a filtering component (72) installed inside the shell (71), the left end and the right end of the shell (71) are respectively provided with an air inlet and an air outlet, the exhaust pipeline (5) is butted with the air inlet of the shell (71), the air outlet of the shell (71) is communicated with the dirty air inlet of the fresh air ventilator (1) through a communicating pipeline (6), one end of the exhaust pipeline (5) far away from the filtering device (7) is located in the workshop and close to the ground, and the air outlet of the ventilating pipeline (4) is located at the top of the workshop side wall; shell (71) are including controlling relative left half shell (711) and right half shell (712) that sets up, left side half shell (711) is fixed on the wall body, left side half shell (711) is provided with guide bar (8) that the level stretches out right towards the one end of right half shell (712), the inside one end towards left half shell (711) of right side half shell (712) is fixed with suit on guide bar (8) and sliding sleeve (9) that link to each other with guide bar (8) slip, be in the same place through the bolt fastening between left side half shell (711) and right half shell (712), communicating pipe (6) are the flexible pipe of length telescopic.

2. A fresh air system according to claim 1, wherein: the communicating pipeline (6) is a corrugated pipe made of plastic.

3. A fresh air system according to claim 1, wherein: and a handle (73) is arranged on one side of the right half shell (712) departing from the side wall of the workshop.

4. A fresh air system according to claim 1, wherein: and a limiting block (81) is arranged at one end of the guide rod (8) extending into the right half shell (712).

5. A fresh air system according to claim 1, wherein: filter assembly (72) including fixing mounting panel (721) inside left half shell (711), a plurality of intercommunicating pores (7211) have been seted up on mounting panel (721), one side that mounting panel (721) deviate from the air intake of shell (71) is provided with filtration sack (722) with intercommunicating pore (7211) one-to-one, the sack of filtering sack (722) is inside the sack towards intercommunicating pore (7211) and with intercommunicating pore (7211), can dismantle between filtration sack (722) and mounting panel (721) and link to each other.

6. A fresh air system according to claim 5, wherein: the filter cloth bag (722) comprises a filter body (7221) with two open ends and a tubular shape, one end of the filter body (7221) is bound and tightened through a binding band (7223) to form a closed end of the filter cloth bag (722), the other end of the filter body (7221) is a bag opening of the filter cloth bag (722), and a mouth opening ring (7222) is arranged at the bag opening of the filter cloth bag (722).

7. A fresh air system according to claim 6 wherein: the opening support ring (7222) and the mounting plate (721) are fixed together through bolts.

8. A fresh air system according to claim 1, wherein: exhaust duct (5) keep away from the one end of filter equipment (7) and be provided with shunt tubes (51) that are linked together with exhaust duct (5) inside, be provided with a plurality of bleeder pipes (511) on shunt tubes (51), bleeder pipe (511) and shunt tubes (51) inside are linked together.

9. A fresh air system according to claim 8, wherein: an insect-proof net (52) is arranged at the air inlet of the branch pipe (511).