CN214552560U

CN214552560U - Sinking type underground suction energy-saving array fan flue gas discharge system

Info

Publication number: CN214552560U
Application number: CN202120452859.1U
Authority: CN
Inventors: 刘伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-11-02
Anticipated expiration: 2031-03-03

Abstract

A sinking type underground suction energy-saving array fan smoke discharge system belongs to the technical field of environment-friendly modification of automobile inspection and detection environments. The method is characterized in that: the system comprises an air quality monitoring assembly and an air suction and smoke exhaust assembly; the air suction and smoke exhaust assembly comprises a main fan set, a smoke purification device and an array type fan set, wherein the main fan set is connected with the smoke purification device and the array type fan set in series through a main air pipe; the array type fan set comprises more than one array fan array, each array fan array is arranged in parallel, and the array fan arrays are buried in the underground gas collecting tank. The utility model discloses can make indoor formation convection current air downwards, directly absorb car exhaust's tail gas from the below, harmful gas can not fill in the detection space or be detained, effectively protects staff's respiratory, promotes operational environment quality. The utility model discloses can also use in secret market, underground parking garage, play the effect that promotes the interior air quality of environment.

Description

Sinking type underground suction energy-saving array fan flue gas discharge system

Technical Field

The utility model belongs to the technical field of automobile inspection detection environment environmental protection transformation, concretely relates to energy-conserving array fan flue gas discharge system is inhaled to formula of sinking subaerial.

Background

For a long time, the appearance inspection of motor vehicles is a hard post of vehicle management departments and motor vehicle safety technology monitoring stations. In the detection process, a large amount of tail gas is discharged by a vehicle, the tail gas of the vehicle contains hundreds of different compounds, pollutants in the tail gas comprise solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, oxynitride, lead, sulfur oxide and the like, and the tail gas can cause serious damage to the respiratory system of workers when being in the working environment for a long time.

Adopt powerful exhaust device outside discharging harmful gas detection space among the prior art more, but this type of extensive solution can not effectively solve the problem, and vehicle exhaust can be detained a period in the space at the discharge process, and the staff still inevitable will call in harmful gas. In addition, if the prior art adopts forced-ventilated technology in the detection space, the refrigerating and heating device in the detection space can not play a role or consume energy greatly.

In order to solve the technical problem, the applicant designs a sinking type underground suction energy-saving array fan smoke exhaust system which can directly suck and exhaust automobile exhaust from the lower part, so that harmful gas cannot rise or be detained in a detection space in a diffusion mode, a breathing system of workers is effectively protected, and the quality of a working environment is improved.

Disclosure of Invention

The utility model aims to solve the technical problem that a formula of sinking subaerial energy-conserving array fan flue gas discharge system that inhales is provided, can make and form down the air current in the environment, follow the below and directly absorb and discharge automobile exhaust, make harmful gas can not raise upward or fill in the detection space and be detained, effective protection staff's respiratory, promotion operational environment quality.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a formula of sinking subaerial energy-conserving array fan flue gas discharge system that inhales which characterized in that: the system comprises an air quality monitoring assembly and an air suction and smoke exhaust assembly; the air suction and smoke exhaust assembly comprises a main fan set, a smoke purification device and an array type fan set, wherein the main fan set is connected with the smoke purification device and the array type fan set in series through a main air pipe; the array type fan set comprises more than one array fan array, each array fan array is arranged in parallel, and the array fan arrays are buried in the underground gas collecting tank.

Preferably, the air quality monitoring assembly includes at least one set of air quality detectors, and the air quality detectors are installed at preset detection points in the detection space.

Preferably, the array fan array comprises at least two array fans, and the adjacent array fans are connected in series through an array air guide pipe; the array air guide pipe is provided with at least one air suction branch pipe, the fixed end of the air suction branch pipe is communicated with the array air guide pipe, the rear end of the air suction branch pipe is provided with an air suction fan, and the air suction fan can absorb surrounding smoke into the air suction branch pipe and guide the smoke into the array air guide pipe.

Preferably, the array fan is a double-tube silent fan, the array air guide tube comprises a first array air guide tube and a second array air guide tube, each adjacent array fan is connected with each other through a first array air tube and a second array air tube, the left side and the right side of the first array air tube and the second array air tube are respectively symmetrically communicated with two air suction branch tubes, each air suction branch tube is respectively provided with an air suction fan, and an air suction check valve is arranged between each air suction branch tube and the air suction fan; the air suction fan is a one-way turbofan fan.

Preferably, the air inlet and the air outlet of each array fan are respectively connected with the array air guide pipe through a connecting valve;

the connecting valve comprises a front valve plate, a damping rubber pad and a rear valve plate, wherein two ventilation holes are correspondingly formed in the middle parts of the front valve plate, the damping rubber pad and the rear valve plate, a first front pipe joint and a second front pipe joint are respectively welded on the front sides of the two ventilation holes of the front valve plate, and a first rear pipe joint and a second rear pipe joint are respectively installed on the rear sides of the two ventilation holes of the rear valve plate; the four corners of preceding valve plate, shock pad and back valve plate correspond the screw thread mounting hole that the switch runs through respectively, and the cartridge sets up fixing bolt and fixation nut in the screw thread mounting hole, fixing bolt and fixation nut can be through the screw assembly and with preceding valve plate, shock pad and back valve plate equipment together fixed.

Preferably, a first check valve and a second check valve are provided in the first front pipe joint and the second front pipe joint, respectively.

Preferably, each underground gas collecting groove is arranged below the ground in parallel at intervals, a pipeline installation hidden channel is arranged below the ground, the tail end of each underground gas collecting groove is converged and connected with the front end of the pipeline installation hidden channel, the rear end of the pipeline installation hidden channel penetrates out of the detection space, and a main fan set is arranged at the upper part of the tail end of the pipeline installation channel; the main air pipe is arranged in the pipeline installation blind road;

the cross section of the underground gas collecting groove is in an inverted convex shape; the array fan support is flatly laid and fixed at the bottom of the underground gas collecting tank; the bottom of the underground gas collecting tank is obliquely arranged, a drain hole is formed at the lowest end of the bottom of the underground gas collecting tank, and the drain hole is communicated with a sewer pipeline through a drain pipe; a drain valve is arranged on the drain hole; a left angle iron bearing plate and a right angle iron bearing plate are respectively arranged on two sides of the bottom of the underground gas collecting tank, a stainless steel filter screen and a bearing cast iron grid cover are sequentially arranged on the upper parts of the left angle iron bearing plate and the right angle iron bearing plate, a left fixed steel plate pressing strip and a right fixed steel plate pressing strip are respectively arranged on two sides of the upper part of the bearing cast iron grid cover, and two sides of the left fixed steel plate pressing strip and the right fixed steel plate pressing strip are respectively fixed on the inner walls of two sides of the underground gas collecting tank; a left screw hole is formed in the left fixing steel plate pressing strip, the left side of the bearing cast iron grid cover, the left side of the stainless steel filter screen and the left angle iron bearing plate in a penetrating mode, and a left fixing bolt is installed in the left screw hole through threads; a right screw hole is formed in the right fixing steel plate pressing strip, the right side of the bearing cast iron grid cover, the right side of the stainless steel filter screen and the right angle iron bearing plate in a penetrating mode, and a right fixing bolt is installed in the right screw hole through threads; and spraying a plastic spraying layer on the side wall and the bottom of the underground gas collecting tank.

Preferably, the emergency air exhaust device further comprises an emergency air exhaust assembly, the emergency air exhaust assembly comprises an air inlet fan and an air exhaust fan with a filtering function, the air inlet fan and the air exhaust fan are respectively installed on different side walls of the detection workshop, and the installation position of the air inlet fan is higher than that of the air exhaust fan.

Preferably, the heat recovery device comprises a coil type heat exchanger; the air energy heat pump central air conditioner is installed in a detection workshop, a first circulating pipeline of the coil type heat exchanger is connected into an air heat exchange pipe of the air energy heat pump central air conditioner in series, a second circulating pipeline of the coil type heat exchanger is connected into a main air pipe between a main fan set and a flue gas purification device in series, and heat of the main air pipe can be transferred into the air heat exchange pipe of the air energy heat pump central air conditioner through the coil type heat exchanger.

Preferably, the system also comprises a main control switch, wherein the main control switch is respectively connected with the air quality monitoring assembly, the air suction and smoke exhaust assembly and the emergency exhaust assembly.

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

a sinking type underground suction energy-saving array fan smoke exhaust system can effectively solve the problems of operation of motor vehicles, internal combustion engines, coal-fired gas engines and stagnation of toxic and harmful gases in the lower-layer space of small underground parking lots and shopping malls under the indoor working environment, improves the condition that the existing top wall air supply and exhaust equipment cannot supply and exhaust CO and CO₂The main advantages of the current situation of high-efficiency cleaning and discharging of harmful pollutants such as dust, carbon dust, automobile exhaust and the like are as follows:

1. the system adopts the underground suction and exhaust layout, and can solve the problems of top exhaust side exhaust layout, unsmooth exhaust and stagnation of harmful gas in the lower-layer environment. The system adopts a low-power array fan layout, reduces noise, enables indoor air to naturally flow downwards and form negative pressure intensity indoors, so that smoke dust cannot float upwards, and solves the problem of secondary influence on the health of personnel caused by floating of smoke dust due to upper exhaust.

2. The system enables the air quality monitoring component, the air suction and smoke exhaust component and the emergency exhaust component to work and operate cooperatively, and the three devices are organically combined to dynamically monitor the air quality, automatically process the working state and ensure the environmental safety.

3. The use of the system component, the assembly, the electrical appliance and the equipment conforms to the national standard and has the functions of moisture protection, fire protection and leakage protection. In the aspect of component and part selection, the specification of the components is unified as much as possible, and the components are convenient to assemble and maintain and are replaced.

4. The discharged gas of the system is purified and then discharged, and meets the requirement of cleaning and purifying the discharged gas in national industrial and mining workshops and large-scale public places.

5. The system also has the function of recycling heat energy, can cooperate with an air energy heat pump central air conditioner installed in the environment, and exchanges heat between the heat of the exhaust gas and an outer unit of the air energy heat pump central air conditioner through the coil type heat exchanger, so that intensive utilization of energy is realized, and the system is more environment-friendly and energy-saving.

6. The system can flexibly adjust the air exhaust and ventilation mode on the basis of monitoring the air quality in the detection space, and can avoid the rapid outflow of indoor cold/hot air, reduce the energy consumption of a heating or refrigerating device and improve the comfort level of the environment while ensuring the health of workers.

Drawings

FIG. 1 is a schematic view of the connection structure of the components of the present invention;

FIG. 2 is a schematic diagram of the structure of the air induction and smoke exhaust assembly;

FIG. 3 is a schematic diagram of an array of fan arrays;

FIG. 4 is a schematic view of the structure of the connecting valve;

FIG. 5 is a schematic view of a connection structure of the air suction fan, the air suction branch pipe and the array air guide pipe;

FIG. 6 is a schematic view of the A-direction structure of FIG. 5;

FIG. 7 is a schematic diagram of the spatial arrangement of the detection workshop;

FIG. 8 is a schematic structural view of an underground gas collection tank;

FIG. 9 is a schematic view of the structure of FIG. 8 in the direction B-B;

FIG. 10 is a schematic structural view of a load-bearing cast iron grid cover;

FIG. 11 is a schematic structural view of a stainless steel screen;

FIG. 12 is a schematic view of the installation location of the emergency venting assembly;

fig. 13 is a schematic structural diagram of a second embodiment of the present invention;

in the figure: 1. array fan arrays; 2. a main fan set; 3. a main air duct; 4. a flue gas purification device; 5. a second array of air ducts; 6. a first array of air ducts; 7. a connecting valve; 8. an array fan; 9. a suction branch pipe; 10. an air suction fan; 11. fixing the bolt; 12. a first check valve; 13. a second check valve; 14. A front valve plate; 15. a shock-absorbing rubber pad; 16. a rear valve plate; 17. a first rear pipe joint; 18. fixing a nut; 19. a second rear pipe joint; 20. a vent hole; 21. a second front pipe joint; 22. a first front pipe joint; 23. a gate; 24. an air inlet machine; 25. a side wall; 26. a parking position; 27. an underground gas collecting tank; 28. an exhaust fan; 29. a left fixing bolt; 30. a left fixed steel plate pressing strip; 31. a load-bearing cast iron grid cover; 32. a right fixed steel plate pressing strip; 33. spraying a plastic layer; 34. a drain pipe; 35. a drain valve; 36. a stainless steel filter screen; 37. a second circulation line; 38. a coil heat exchanger; 39. a first circulation line; 40. a right angle iron bearing plate; 41. a left angle iron bearing plate; 42. and installing a hidden channel on the pipeline.

Detailed Description

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

Example one

As shown in figure 1, energy-conserving array fan flue gas discharge system is inhaled to formula of sinking underground, can be extensive be applied to: inspection (police), detection (civil) line, small underground parking lot and underground shopping mall.

In this embodiment, the system includes an air quality monitoring assembly and an air induction and smoke exhaust assembly; the air suction and smoke exhaust assembly comprises a main fan set, a smoke purification device and an array type fan set, wherein the main fan set is connected with the smoke purification device and the array type fan set in series through a main air pipe. As shown in fig. 2, the array fan set includes more than one array fan array, each array fan array is arranged in parallel, and the array fan arrays are embedded in the underground gas collecting tank.

The air quality monitoring assembly comprises at least one group of air quality detectors, and the air quality detectors are installed at preset detection points in the detection space.

As shown in fig. 3, the array fan array includes at least two array fans, and adjacent array fans are connected in series by an array air duct. The array air guide pipe is provided with at least one air suction branch pipe, the fixed end of the air suction branch pipe is communicated with the array air guide pipe, the rear end of the air suction branch pipe is provided with an air suction fan, and the air suction fan can absorb surrounding smoke into the air suction branch pipe and guide the smoke into the array air guide pipe.

As shown in fig. 5 and 6, the array fan is a dual-pipe silent fan, the array air guide pipes include a first array air guide pipe and a second array air guide pipe, each adjacent array fan is connected with each other through a first array air pipe and a second array air pipe, two air suction branch pipes are symmetrically communicated and arranged on the left and right sides of the first array air pipe and the second array air pipe respectively, each air suction branch pipe is provided with an air suction fan, and an air suction check valve is arranged between each air suction branch pipe and the air suction fan; the air suction fan is a one-way turbofan fan. Because each array fan in the array fan array is assembled in series and a variable frequency fan is selected, the working air speed of the array fan is set to be lower as the array fan is closer to the main fan group, and the purposes of decreasing air pressure and sucking negative pressure are achieved. The air suction fan is a one-way turbofan fan, and is also a low-speed mute fan, so that an air suction array can be formed, and harmful gases in the environment can be efficiently sucked.

As shown in fig. 3 and 4, the air inlet and the air outlet of each array fan are respectively connected with the array air guide pipe through a connecting valve. The connecting valve comprises a front valve plate, a damping rubber pad and a rear valve plate, wherein two ventilation holes are correspondingly formed in the middle parts of the front valve plate, the damping rubber pad and the rear valve plate, a first front pipe joint and a second front pipe joint are respectively welded on the front sides of the two ventilation holes of the front valve plate, and a first rear pipe joint and a second rear pipe joint are respectively installed on the rear sides of the two ventilation holes of the rear valve plate; the four corners of preceding valve plate, shock pad and back valve plate correspond the screw thread mounting hole that the switch runs through respectively, and the cartridge sets up fixing bolt and fixation nut in the screw thread mounting hole, fixing bolt and fixation nut can be through the screw assembly and with preceding valve plate, shock pad and back valve plate equipment together fixed. A first check valve and a second check valve are respectively arranged in the first front pipe joint and the second front pipe joint. The vibration that the use of shock-absorbing rubber pad can effectively reduce the fan operation and bring, each part of protection system and reduce the noise.

As shown in fig. 7, each underground gas collecting channel is arranged below the ground in parallel at intervals, a pipeline installation hidden channel is arranged below the ground, the tail end of each underground gas collecting channel is converged and connected with the front end of the pipeline installation hidden channel, the rear end of the pipeline installation hidden channel penetrates out of the detection space, and a main fan set is arranged at the upper part of the tail end of the pipeline installation channel; the main air pipe is arranged in the pipeline installation hidden channel, and the rear end of the main air pipe penetrates out of the pipeline installation hidden channel and then is connected with the main fan unit.

As shown in fig. 8, the cross section of the underground gas collecting groove is in an inverted convex shape; the array fan support is flatly laid and fixed at the bottom of the underground gas collecting tank; the bottom of the underground gas collecting tank is obliquely arranged, a drain hole is formed at the lowest end of the bottom of the underground gas collecting tank, and the drain hole is communicated with a sewer pipeline through a drain pipe; and a drain valve is arranged on the drain hole. A left angle iron bearing plate and a right angle iron bearing plate are respectively arranged on two sides of the bottom of the underground gas collecting tank, a stainless steel filter screen and a bearing cast iron grid cover are sequentially arranged on the upper parts of the left angle iron bearing plate and the right angle iron bearing plate, a left fixed steel plate pressing strip and a right fixed steel plate pressing strip are respectively arranged on two sides of the upper part of the bearing cast iron grid cover, and two sides of the left fixed steel plate pressing strip and the right fixed steel plate pressing strip are respectively fixed on the inner walls of two sides of the underground gas collecting tank; a left screw hole is formed in the left fixing steel plate pressing strip, the left side of the bearing cast iron grid cover, the left side of the stainless steel filter screen and the left angle iron bearing plate in a penetrating mode, and a left fixing bolt is installed in the left screw hole through threads; a right screw hole is formed in the right fixing steel plate pressing strip, the right side of the bearing cast iron grid cover, the right side of the stainless steel filter screen and the right angle iron bearing plate in a penetrating mode, and a right fixing bolt is installed in the right screw hole through threads; and spraying a plastic spraying layer on the side wall and the bottom of the underground gas collecting tank. The structure of the stainless steel screen and the load-bearing cast iron grid cover is shown in fig. 11 and 10. The bearing cast iron grid cover can bear the pressure of stopping and advancing of a vehicle, and the stainless steel filter screen can prevent large-particle objects from falling into the underground gas collecting tank to bring inconvenience in cleaning. Spraying plastic-blasting layer on the bottom and the lateral wall of secret gas collecting tank, the plastic-blasting layer is the smooth inorganic antibacterial coating in surface, can prevent effectively that the mosquito from abusing, brings the antibiotic effect of health.

As shown in fig. 12, the system further includes an emergency air exhaust assembly, the emergency air exhaust assembly includes an air inlet fan and an air exhaust fan with filtering functions, the air inlet fan and the air exhaust fan are respectively installed on different side walls of the detection workshop, and the installation position of the air inlet fan is higher than that of the air exhaust fan.

The system also comprises a main control switch, wherein the main control switch is respectively connected with the air quality monitoring assembly, the air suction and smoke exhaust assembly and the emergency exhaust assembly.

In the actual use process of the system, the air quality detectors are preferably installed at the preset detection points, and the number of the air quality detectors can be set according to the size of the detection space. As shown in fig. 1, in the present embodiment, three sets of air quality detectors of a set, B set, and C set may be provided. 2-3 underground gas collecting grooves are arranged below the ground of the detection workshop, an array fan array is arranged in each underground gas collecting groove, and the parking position is drawn on the ground of the detection workshop. And (3) opening the gates positioned at the front side and the rear side, driving the vehicle to be detected into the detection workshop, and stopping at a parking position, so that the staff can start the detection operation of each index.

In the operation process, when the air quality detector detects that the quality of surrounding air is in a conventional operation preset value range, the main control switch can be enabled to start the air suction and smoke exhaust assembly, each air suction fan can guide tail gas exhausted by the vehicle bottom exhaust pipe to enter the array air guide pipe along the air suction branch pipe nearby, then the tail gas is conveyed into the main air pipe through the array fan, and is conveyed into the smoke purification device through the main fan unit and is exhausted outdoors after being cleaned and purified. When the air quality detector detects that the ambient air quality exceeds the preset value range of conventional operation, the emergency exhaust assembly can be started immediately, air flow penetrates through an operation space from top to bottom, harmful gas is suppressed to the lowest height and is discharged in time, and the physical health of workers is guaranteed. The air inlet machine of the emergency exhaust assembly has a filtering function, so that the cleanliness of air flow in the space can be guaranteed, and secondary damage is avoided.

Example two

As shown in fig. 13, further comprising a heat recovery device comprising a coil heat exchanger; the air energy heat pump central air conditioner is installed in a detection workshop, a first circulating pipeline of the coil type heat exchanger is connected into an air heat exchange pipe of the air energy heat pump central air conditioner in series, a second circulating pipeline of the coil type heat exchanger is connected into a main air pipe between a main fan set and a flue gas purification device in series, and heat of the main air pipe can be transferred into the air heat exchange pipe of the air energy heat pump central air conditioner through the coil type heat exchanger.

In this embodiment, this system still has the function that heat recovery recycled, and the air energy heat pump central air conditioning who can install in the environment in coordination carries out the heat exchange through coil heat exchanger with the outer unit of exhaust gas's heat and air energy heat pump central air conditioning, realizes the intensive utilization of the energy, environmental protection and energy saving more.

It should be pointed out that various structures such as fan, check valve described in this patent are mature prior art, and are not the main innovation point of this patent, and the suitable product of specification can be selected or customized on the market according to actual need by the technical staff in this field, and its structure and application method are not repeated herein.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. The technical solution of the present invention is not to be departed from, and any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. Energy-conserving array fan flue gas discharge system is inhaled under formula that sinks, its characterized in that: the system comprises an air quality monitoring assembly and an air suction and smoke exhaust assembly; the air suction and smoke exhaust assembly comprises a main fan set, a smoke purification device and an array type fan set, wherein the main fan set is connected with the smoke purification device and the array type fan set in series through a main air pipe; the array type fan set comprises more than one array fan array, each array fan array is arranged in parallel, and the array fan arrays are buried in the underground gas collecting tank.

2. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 1, characterized in that: the air quality monitoring assembly comprises at least one group of air quality detectors, and the air quality detectors are installed at preset detection points in the detection space.

3. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 2, characterized in that: the array fan array comprises at least two array fans, and adjacent array fans are connected in series through an array air guide pipe; the array air guide pipe is provided with at least one air suction branch pipe, the fixed end of the air suction branch pipe is communicated with the array air guide pipe, the rear end of the air suction branch pipe is provided with an air suction fan, and the air suction fan can absorb surrounding smoke into the air suction branch pipe and guide the smoke into the array air guide pipe.

4. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 3, characterized in that: the array fan is a double-tube type mute fan, the array air guide tube comprises a first array air guide tube and a second array air guide tube, the adjacent array fans are connected through a first array air tube and a second array air tube, the left side and the right side of the first array air tube and the second array air tube are respectively symmetrically communicated with two air suction branch tubes, the air suction fans are respectively arranged on the air suction branch tubes, and air suction check valves are arranged between the air suction branch tubes and the air suction fans; the air suction fan is a one-way turbofan fan.

5. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 4, characterized in that: the air inlet and the air outlet of each array fan are respectively connected with the array air guide pipe through a connecting valve;

6. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 5, characterized in that: a first check valve and a second check valve are respectively arranged in the first front pipe joint and the second front pipe joint.

7. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 6, characterized in that: each underground gas collecting groove is arranged below the ground in parallel at intervals, a pipeline installation hidden channel is arranged below the ground, the tail end of each underground gas collecting groove is converged and connected with the front end of the pipeline installation hidden channel, the rear end of the pipeline installation hidden channel penetrates out of the detection space, and a main fan set is arranged on the upper part of the tail end of the pipeline installation channel; the main air pipe is arranged in the pipeline installation blind road;

8. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 1, characterized in that: the emergency air exhaust assembly comprises an air inlet fan and an air exhaust fan with filtering functions, the air inlet fan and the air exhaust fan are respectively installed on different side walls of a detection workshop, and the installation position of the air inlet fan is higher than that of the air exhaust fan.

9. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 8, characterized in that: the heat recovery device comprises a coil type heat exchanger; the air energy heat pump central air conditioner is installed in a detection workshop, a first circulating pipeline of the coil type heat exchanger is connected into an air heat exchange pipe of the air energy heat pump central air conditioner in series, a second circulating pipeline of the coil type heat exchanger is connected into a main air pipe between a main fan set and a flue gas purification device in series, and heat of the main air pipe can be transferred into the air heat exchange pipe of the air energy heat pump central air conditioner through the coil type heat exchanger.

10. The submerged underground suction energy-saving array fan flue gas exhaust system according to claim 8, characterized in that: the air quality monitoring system further comprises a main control switch, and the main control switch is respectively connected with the air quality monitoring control assembly, the air suction and smoke exhaust assembly and the emergency air exhaust assembly.