Ventilation system of hazardous waste treatment workshop

Abstract

The utility model provides a ventilation system of a hazardous waste treatment workshop, which comprises an air supply system, an air suction system and a control system, and the air suction system comprises an air suction header pipe, a first air suction assembly and a second air suction assembly; the first air suction assembly comprises a plurality of first main pipes vertically arranged on the two sides of the automatic induction door in the transfer room and a plurality of first branch pipes connected with the first main pipes, and the first branch pipes stretch into the processing room. The second air suction assembly comprises a second main pipe arranged in the transfer room; the tops of the first main pipe and the second main pipe are connected to the air suction header pipe, and the second main pipe is closer to the upstream of the air suction header pipe than the first main pipe; a second pneumatic valve is arranged at the top of the second main pipe, a first pneumatic valve is arranged on the air suction main pipe between the second main pipe and the first air suction assembly, and the air supply system, the air suction system, the automatic induction door, the first pneumatic valve and the second pneumatic valve are all electrically connected with the control system. The ventilation system achieves sufficient purification and ventilation of the hazardous waste treatment workshop.

Description

Technical Field

[0001] The utility model belongs to the technical field of environmental protection facilities and equipment, and particularly relates to a ventilation system for a hazardous waste treatment workshop. Background Art

[0002] Industrial production workshops often include hazardous waste treatment rooms, each equipped with a hazardous waste pit for centralized treatment of hazardous waste from industrial production. This process generates significant amounts of waste gas. Existing hazardous waste treatment rooms have only simple ventilation systems. This inevitably causes hazardous waste gas to escape from the room during the transfer of hazardous waste, polluting other workplaces and causing significant harm to the physical and mental health of workers in these locations. Therefore, it is crucial to improve the design of existing ventilation systems in hazardous waste treatment rooms. Utility Model Content

[0003] In view of the above problems, the utility model provides a ventilation system for a hazardous waste treatment workshop.

[0004] To achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a ventilation system for a hazardous waste treatment workshop, wherein the hazardous waste treatment workshop is divided into an inner treatment room and an outer transfer room, and at least one automatic induction door is provided on the wall between the treatment room and the transfer room; the ventilation system includes an air supply system, an air suction system and a control system, and the air suction system includes an air suction main pipe, a first air suction component and a second air suction component; wherein,

[0005] The main suction pipe is arranged at the top of the wall on one side of the transfer room, the inner end of the main suction pipe is connected to the first suction component and the second suction component, and the outer end is connected to the exhaust gas purification device arranged outside the hazardous waste treatment workshop; the first suction component includes a plurality of first main pipes vertically arranged on the left and right sides of the automatic induction door on one side of the transfer room and a plurality of first branch pipes spaced apart along the height direction of each first main pipe, the top of the first main pipe is connected to the main suction pipe, one end of the first branch pipe is connected to the first main pipe, and the other end extends into the treatment room; the second suction component includes a second main pipe arranged in the transfer room, and the top of the second main pipe is connected to the main suction pipe between the first suction component and the exhaust gas purification device;

[0006] A first pneumatic valve is provided on the suction main pipe between the second main pipe and the first suction component, and a second pneumatic valve is provided on the top of the second main pipe; the air supply system, suction system, automatic induction door, first pneumatic valve and second pneumatic valve are all electrically connected to the control system.

[0007] The present invention is further configured such that the automatic induction door is an automatic induction rolling shutter door.

[0008] The automatic induction door is further provided with a wind curtain machine on the top.

[0009] The first branch pipe comprises a rectangular straight pipe portion and a rectangular elbow pipe portion, two ends of the rectangular elbow pipe portion are connected with the first main pipe and the rectangular straight pipe portion respectively, and the other end of the rectangular straight pipe portion extends into the treatment room.

[0010] The air suction opening of the rectangular straight pipe portion extending into the treatment room is a louvered air suction opening.

[0011] The top of the transfer room above the air suction main pipe is provided with a plurality of L-shaped supports for positioning the air suction main pipe, the L-shaped supports are arranged close to the connection position of the first main pipe and the air suction main pipe, and the air suction main pipe is arranged on the horizontal portion of the L-shaped supports.

[0012] The bottom of the first main pipe is close to the ground of the transfer room.

[0013] The air supply system comprises an air supply pipe connected to an external air blower, the inner end of the air supply pipe extends into the transfer room, a third valve is arranged on the air supply pipe, and the third valve is used for air supply to the transfer room of the hazardous waste.

[0014] At least one micro pressure gauge is arranged in the transfer room and the treatment room.

[0015] Compared with the prior art, the air suction system of the utility model has the following beneficial effects: the air suction system of the utility model realizes switching of the air suction system of the hazardous waste treatment room and the transfer room through the design of the pipeline structure, so that the working environment in the transfer room is always in a safe state; the air suction system of the utility model can be installed on the basis of the existing air exchange system, and the installation is convenient, and the existing workshop can be upgraded. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view of the hazardous waste treatment workshop.

[0017] Figure 2 It is Figure 1 It is a vertical sectional view along A-A direction.

[0018] Figure 3 It is a structure schematic view of the air suction system in the embodiment.

[0019] Wherein, 1, processing room, 2, transfer room, 3, automatic induction door, 4, first pneumatic valve, 5, second pneumatic valve, 6, L-shaped support, 7, dangerous waste pit, 8, wall; 100, air suction system, 110, air suction main pipe, 120, first air suction assembly, 121, first main pipe, 122a, rectangular straight pipe part, 122b, rectangular elbow pipe part, 122, first branch pipe, 130, second air suction assembly, 131, second main pipe, 200, air supply system, 210, air supply pipe, 220, third valve. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0021] Reference Figures 1 to 3 The embodiment of the utility model provides a dangerous waste treatment workshop's air exchange system, the dangerous waste treatment workshop is divided into the processing room 1 for processing dangerous waste material on the inside and the transfer room 2 on the outside, and at least one automatic induction door 3 is arranged on the wall between the processing room 1 and the transfer room 2.

[0022] The air exchange system comprises an air suction system 100, an air supply system 200 and a control system, the air suction system 100 comprises an air suction main pipe 110, a first air suction assembly 120 and a second air suction assembly 130, wherein the air suction main pipe 110 is arranged at the top of the side close to the processing room 1 in the transfer room 2, the inner side end of the air suction main pipe 110 is connected to the first air suction assembly 120 and the second air suction assembly 130, and the outer side end is connected to a waste gas purification device (not shown in the figure) arranged outside the dangerous waste treatment workshop.

[0023] The first air suction assembly 120 comprises a plurality of first main pipes 121 vertically arranged on the left and right sides of the automatic induction door 3 on one side of the transfer room 2 and a plurality of first branch pipes 122 arranged along the height direction of each first main pipe 121, the top of the first main pipe 121 is connected to the air suction main pipe 110, one end of the first branch pipe 122 is connected to the first main pipe 121, and the other end penetrates through the wall 8 and extends into the processing room 1.

[0024] The second air suction assembly 130 comprises a second main pipe 131 arranged in the transfer room 2, the top of the second main pipe 131 is connected to the air suction main pipe 110 between the first air suction assembly 120 and the waste gas purification device, that is, the connection position of the second main pipe 131 and the air suction main pipe 110 is closer to the outer side end of the air suction main pipe 110 than the connection position of the first main pipe 121 and the air suction main pipe.

[0025] The first pneumatic valve 4 is arranged on the air suction main pipe 110 between the second main pipe 131 and the first air suction assembly 120, and the second pneumatic valve 5 is arranged on the top of the second main pipe 131.

[0026] The air suction system 100, the air supply system 200, the automatic induction door 3, the first pneumatic valve 4 and the second pneumatic valve 5 are electrically connected with the control system.

[0027] In the embodiment, the first branch pipe 122 comprises a rectangular straight pipe portion 122a and a rectangular elbow pipe portion 122b, the two ends of the rectangular elbow pipe portion 122b are connected with the first main pipe 121 and the rectangular straight pipe portion 122a respectively, and the other end of the rectangular straight pipe portion 122a extends into the treatment room 1.

[0028] In one embodiment, the air suction port of the rectangular straight pipe portion 122a of the first main pipe 121 extending into the treatment room 1 is a louvered air suction port.

[0029] In one embodiment, the automatic induction door 3 is an automatic induction roller shutter door. When the transfer tool or the staff approaches, the induction switch can be turned on to reduce the unnecessary opening time of the hazardous waste pretreatment workshop, and the up-down closing mode has a better sealing effect than the two-side opening-closing door.

[0030] In one embodiment, the top of the automatic induction door 3 is provided with an air curtain machine. The air curtain machine is electrically connected with the control system, and the air curtain machine is turned on at the same time when the automatic induction door 3 is opened. This kind of arrangement can further prevent the hazardous waste gas in the treatment room from escaping into the transfer room.

[0031] In one embodiment, the top of the transfer room 2 above the air suction main pipe 110 is provided with a plurality of L-shaped supports 6 for positioning the air suction main pipe 110. The L-shaped supports 6 are arranged close to the connection between the first main pipe 121 and the air suction main pipe 110, and the air suction main pipe 110 is arranged on the horizontal portion of the L-shaped support 6.

[0032] In one embodiment, the bottom of the first main pipe 121 is close to the ground of the transfer room 2.

[0033] In one embodiment, the air supply system 200 comprises an air supply pipe 210 connected with an external air blower, the inner end of the air supply pipe extends into the transfer room, and a third valve is arranged on the air supply pipe 210 for air supply to the transfer room 1 of the hazardous waste.

[0034] In one embodiment, at least one micro-pressure gauge is arranged in the transfer room 2 and the treatment room 1. In use, the transfer room 2 is in a micro-negative pressure state through the adjustment of the air suction system and the air supply system.

[0035] In one embodiment, two dangerous waste pits 7 are arranged in the treatment room 1, two automatic induction doors 3 are arranged on the wall 8 between the treatment room 1 and the transfer room 2, and the positions of the automatic induction doors 3 correspond to the positions of the two dangerous waste pits 7.

[0036] The working process of the ventilation system of the dangerous waste warehouse is as follows: in the working process, the fans of the air suction system and the air supply system are in the open state, when the dangerous waste treatment room 1 processes dangerous waste, the automatic rolling shutter door is kept in the closed state, at this time, the control system controls the second pneumatic valve 5 to be opened, and the transfer room 2 is continuously ventilated through the second air suction assembly 130 and the air supply system 200;

[0037] When it is necessary to transfer dangerous waste to the dangerous waste treatment room 1, at least one automatic rolling shutter door needs to be opened for the entry and exit of the operating personnel and the equipment, at this time, the control system controls the second pneumatic valve 5 to be closed and the first pneumatic valve 4 to be opened, and the environment of the treatment room 1 and the transfer room 2 is ventilated through the first air suction assembly 120 and the air supply system 200. The waste gas collected by the air suction system 100 is treated by the waste gas purification device and then discharged.

[0038] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A ventilation system for a hazardous waste treatment workshop, characterized in that: The hazardous waste treatment workshop is divided into an inner treatment room and an outer transfer room, and at least one automatic induction door is provided on the wall between the treatment room and the transfer room; the ventilation system includes an air supply system, an air suction system and a control system, and the air suction system includes an air suction main pipe, a first air suction component and a second air suction component; wherein, The main suction pipe is arranged at the top of the wall on one side of the transfer room, the inner end of the main suction pipe is connected to the first suction component and the second suction component, and the outer end is connected to the exhaust gas purification device arranged outside the hazardous waste treatment workshop; the first suction component includes a plurality of first main pipes vertically arranged on the left and right sides of the automatic induction door on one side of the transfer room and a plurality of first branch pipes spaced apart along the height direction of each first main pipe, the top of the first main pipe is connected to the main suction pipe, one end of the first branch pipe is connected to the first main pipe, and the other end extends into the treatment room; the second suction component includes a second main pipe arranged in the transfer room, and the top of the second main pipe is connected to the main suction pipe between the first suction component and the exhaust gas purification device; A first pneumatic valve is provided on the suction main pipe between the second main pipe and the first suction component, and a second pneumatic valve is provided on the top of the second main pipe; the air supply system, suction system, automatic induction door, first pneumatic valve and second pneumatic valve are all electrically connected to the control system.

2. The ventilation system for a hazardous waste treatment workshop according to claim 1, characterized in that: The automatic induction door is an automatic induction rolling door.

3. A ventilation system for a hazardous waste treatment workshop according to claim 2, characterized in that: An air curtain machine is installed on the top of the automatic induction door.

4. The ventilation system for a hazardous waste treatment workshop according to claim 1, characterized in that: The first branch pipe includes a rectangular straight pipe portion and a rectangular curved pipe portion, two ends of the rectangular curved pipe portion are respectively connected to the first main pipe and the rectangular straight pipe portion, and the other end of the rectangular straight pipe portion extends into the processing room.

5. The ventilation system for a hazardous waste treatment workshop according to claim 4, characterized in that: The air suction port extending from the rectangular straight tube portion into the processing room is a louver air suction port.

6. The ventilation system for a hazardous waste treatment workshop according to claim 1, characterized in that: Several L-shaped brackets for positioning the suction main pipe are provided on the top of the transfer room above the suction main pipe. The L-shaped brackets are provided near the connection between the first main pipe and the suction main pipe, and the suction main pipe is placed on the horizontal part of the L-shaped brackets.

7. The ventilation system for a hazardous waste treatment workshop according to claim 1, characterized in that: The bottom of the first main pipe is close to the ground of the transfer room.

8. The ventilation system for a hazardous waste treatment workshop according to claim 1, characterized in that: The air supply system includes an air supply pipe connected to an external fan, the inner end of the air supply pipe extends into the transfer room, and a third valve is provided on the air supply pipe for supplying air to the transfer room for hazardous waste.

9. The ventilation system for a hazardous waste treatment workshop according to claim 1, characterized in that: At least one micromanometer is provided in each of the transfer room and the processing room.

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