CN219290998U

CN219290998U - Asphalt mixing plant emission reduction system

Info

Publication number: CN219290998U
Application number: CN202320675407.9U
Authority: CN
Inventors: 王裕祥; 董永康; 徐随凤; 徐建云; 孙复虎
Original assignee: Nanjing Sujia Construction Engineering Co ltd
Current assignee: Nanjing Sujia Construction Engineering Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-07-04
Anticipated expiration: 2033-03-30

Abstract

The application relates to an asphalt mixing plant emission reduction system belongs to the field of asphalt emission reduction equipment, and it includes jar body and blast pipe, blast pipe and jar body fixed connection, blast pipe and jar internal communication, the one end that jar body was kept away from to the blast pipe is connected with the active carbon case, and the active carbon case is connected with first outlet duct and second outlet duct, all is provided with the air outlet valve on first outlet duct and the second outlet duct, and first outlet duct and jar internal communication install the barometer on the jar body. The toxic gas that pitch produced in the heating process in this application is through the processing of active carbon case, and in the gas after the processing got into the pitch jar again through first outlet duct, provide the temperature to pitch in the pitch jar, and operating personnel can be according to the air outlet valve on the air pressure table adjustment second outlet duct, make the atmospheric pressure in the pitch jar be in reasonable within range, and the pitch jar can handle the toxic gas that pitch heating produced, has reduced the influence of toxic gas to pitch jar surrounding environment.

Description

Asphalt mixing plant emission reduction system

Technical Field

The application relates to the field of asphalt emission reduction equipment, in particular to an asphalt mixing plant emission reduction system.

Background

Asphalt is a blackish brown complex mixture composed of hydrocarbon compounds with different molecular weights and nonmetallic derivatives thereof, is in a liquid state, a semi-solid state or a solid state, is a waterproof, moistureproof and anticorrosive organic cementing material, is used for industries such as paint, plastics, rubber and the like, and paving road surfaces and the like, and an asphalt tank is required to be used when the asphalt is stored, and has a heat preservation function for preventing asphalt from caking, and a large amount of toxic gas is generated after the asphalt is heated.

In the related art, the asphalt tank comprises a tank body and a steam generator, wherein an electric heating wire is arranged on the inner side wall of the tank body, a feeding pipe and a discharging pipe are arranged on the tank body, an exhaust pipe is arranged on the tank body and communicated with the inside of the tank body, the steam generator is arranged on the lower surface of the asphalt tank, a steam pipe is connected with an air outlet of the steam generator, and one end of the steam pipe is arranged in the asphalt tank. When pitch needs to be stored, send into pitch jar with pitch from the inlet pipe in, open heating wire and steam generator, steam generator can produce high temperature gas, and gas can get into in the steam pipe, can keep warm pitch through steam and heating wire, and pitch is discharged through the blast pipe in the poisonous gas that heating in-process produced.

In view of the above-mentioned related art, the inventors have considered that there is a disadvantage in that toxic gas generated during heating of asphalt is exhausted through an exhaust pipe, which is liable to affect the environment around the asphalt tank.

Disclosure of Invention

In order to ameliorate the above problems, the present application provides an asphalt mixing plant emission abatement system.

The application provides an asphalt mixing plant emission reduction system adopts following technical scheme:

the utility model provides an asphalt mixing plant emission reduction system, includes jar body and blast pipe, blast pipe and jar body fixed connection, blast pipe and jar internal portion intercommunication, the one end that jar body was kept away from to the blast pipe is connected with the active carbon case, the active carbon case is connected with first outlet duct and second outlet duct, all be provided with the air outlet valve on first outlet duct and the second outlet duct, first outlet duct and jar internal portion intercommunication, install the barometer on the jar body.

Through adopting above-mentioned technical scheme, when pitch produced poisonous gas in the heating process, poisonous gas flowed to the active carbon incasement through the blast pipe, and the active carbon of active carbon case can handle poisonous gas, and in the gas after the processing got into the pitch jar again through first outlet duct, provide the temperature to pitch in the pitch jar, and operating personnel can adjust the air outlet valve on the second outlet duct according to the barometer, make the atmospheric pressure in the pitch jar be in reasonable scope, the pitch jar can handle the poisonous gas that pitch heating produced, and reduced poisonous gas's influence to pitch jar surrounding environment.

Preferably, the tank body comprises a disassembly part and a fixing part, wherein the disassembly part is positioned above the fixing part, and the disassembly part is detachably connected with the fixing part.

Through adopting above-mentioned technical scheme, operating personnel can dismantle portion and fixed part, and the operating personnel of being convenient for observe the pitch jar inside, also be convenient for the operating personnel to the installation or the change of pitch jar internals.

Preferably, the fixing part is fixedly connected with a positioning block, the dismounting part is provided with a positioning groove for embedding the positioning block, the dismounting part is provided with a positioning bolt, and the positioning bolt passes through the groove bottom of the positioning groove and is in threaded connection with the positioning block.

Through adopting above-mentioned technical scheme, when operating personnel installs dismantlement portion and fixed part, remove dismantlement portion and make the locating piece can imbed in the constant head tank, the constant head tank is spacing to the locating piece, makes dismantlement portion and fixed part mutual location back, screw in locating bolt makes locating bolt pass the tank bottom and the locating piece threaded connection of constant head tank to make dismantlement portion and fixed part relatively fixed, realize the installation of dismantlement portion and fixed part.

Preferably, the feeding pipe is arranged on the disassembling part, the feeding cover is arranged on the feeding pipe, the auxiliary rod is connected to the feeding pipe in a rotating mode, the auxiliary plate is fixedly connected to the auxiliary rod, the auxiliary piece is arranged on the disassembling part, and the auxiliary piece is used for controlling the auxiliary rod to rotate.

Preferably, the auxiliary piece is an auxiliary motor, and an output shaft of the auxiliary motor is fixedly connected with the auxiliary rod.

Through adopting above-mentioned technical scheme, when operating personnel pours pitch into the pitch jar, open the feeding lid and start auxiliary motor, auxiliary motor's output shaft can drive the rotation of auxiliary lever, and the rotation of auxiliary lever can drive the rotation of auxiliary plate, then pours pitch into the inlet pipe in, auxiliary lever and auxiliary plate's rotation reducible pitch in the possibility of inlet pipe jam, improved operating personnel's work efficiency of pouring pitch.

Preferably, the disassembly part is rotationally connected with a cutting knife, the disassembly part is provided with a cutting motor, and an output shaft of the cutting motor is fixedly connected with a rotating shaft of the cutting knife.

Through adopting above-mentioned technical scheme, start cutting motor when operating personnel pours into pitch, cutting motor's output shaft can drive the rotation of cutting knife, and the great pitch of granule can be cut in cutting knife's rotation, the pitch jar of being convenient for is to the storage of pitch.

Preferably, the inner wall of the dismounting part is provided with a detection switch, the dismounting part is provided with an indicator lamp, and the detection switch and the indicator lamp are transmitted through signals.

Through adopting above-mentioned technical scheme, when operating personnel pours into pitch, when pitch in the pitch jar piles up near detecting switch, detecting switch sends the signal to the pilot lamp, makes the pilot lamp light up, and operating personnel can stop pouring pitch into the pitch jar in.

Preferably, the activated carbon box is provided with a glass door, and the glass door is hinged with the activated carbon box.

Through adopting above-mentioned technical scheme, operating personnel accessible glass door observes the adsorption condition of active carbon, and when active carbon used for a long time, operating personnel can open glass door and change active carbon, the subsequent processing work of active carbon case of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the active carbon box, the air outlet valve and the air pressure meter, when the asphalt generates toxic gas in the heating process, the toxic gas flows into the active carbon box through the exhaust pipe, the active carbon of the active carbon box can treat the toxic gas, the treated gas enters the asphalt tank again through the first air outlet pipe to provide temperature for the asphalt in the asphalt tank, and an operator can adjust the air outlet valve on the second air outlet pipe according to the air pressure meter, so that the air pressure in the asphalt tank is in a reasonable range, the asphalt tank can treat the toxic gas generated by heating the asphalt, and the influence of the toxic gas on the surrounding environment of the asphalt tank is reduced;

2. through setting up of locating piece, constant head tank and positioning bolt, when operating personnel installs dismantlement portion and fixed part, remove dismantlement portion and make the locating piece can imbed in the constant head tank, the constant head tank is spacing to the locating piece, makes dismantlement portion and fixed part mutual location after, screw in positioning bolt makes positioning bolt pass the tank bottom and the locating piece threaded connection of constant head tank to make dismantlement portion and fixed part relatively fixed, realize the installation of dismantlement portion and fixed part.

Drawings

FIG. 1 is a schematic diagram of an overall structure for embodying an emission abatement system for an asphalt mixing plant in an embodiment of the present application.

FIG. 2 is a schematic diagram of an internal architecture for an embodiment of the present application for implementing an asphalt mixing plant emission abatement system.

Fig. 3 is a partial enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of the overall structure of the auxiliary lever and the auxiliary plate for embodying the embodiment of the present application.

Reference numerals illustrate: 1. a tank body; 11. an air pressure gauge; 2. an exhaust pipe; 3. an activated carbon box; 31. a first air outlet pipe; 32. a second air outlet pipe; 33. an air outlet valve; 34. a glass door; 4. a detaching portion; 41. a positioning groove; 42. positioning bolts; 43. an auxiliary motor; 44. a cutting knife; 45. a cutting motor; 46. a detection switch; 47. an indicator light; 5. a fixing part; 51. a positioning block; 6. a feed pipe; 61. a feed cap; 62. an auxiliary lever; 63. and an auxiliary plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses pitch stirring station emission reduction system, as shown in fig. 1, including a jar body 1, jar body 1 is including dismantling portion 4 and fixed part 5, and it is located the top of fixed part 5 to dismantle portion 4, and it can dismantle with fixed part 5 to dismantle portion 4 and be connected.

As shown in fig. 2 and 3, the fixing portion 5 is fixedly connected with a positioning block 51, and the dismounting portion 4 is provided with a positioning groove 41, wherein the positioning groove 41 is used for embedding the positioning block 51. The dismounting portion 4 is provided with four positioning bolts 42, the length direction of the positioning bolts 42 is consistent with the axial direction of the fixing portion 5, and the positioning bolts 42 penetrate through the groove bottoms of the positioning grooves 41 to be in threaded connection with the positioning blocks 51. When an operator installs the dismounting part 4 and the fixing part 5, after moving the dismounting part 4 to enable the positioning block 51 to be embedded into the positioning groove 41, screwing in the positioning bolt 42 to enable the positioning bolt 42 to penetrate through the groove bottom of the positioning groove 41 to be in threaded connection with the positioning block 51, and installation of the dismounting part 4 and the fixing part 5 is achieved.

As shown in fig. 1, 2 and 4, the disassembling portion 4 is fixedly connected with a feeding pipe 6, the feeding pipe 6 is communicated with the inside of the disassembling portion 4, and a feeding cover 61 is installed at one end of the feeding pipe 6 away from the disassembling portion 4. An auxiliary rod 62 is rotatably connected to the inner wall of the feed pipe 6, the length direction of the auxiliary rod 62 is perpendicular to the axial direction of the feed pipe 6, an auxiliary plate 63 is fixedly connected to the auxiliary rod 62, and the length direction of the auxiliary plate 63 is consistent with the length direction of the auxiliary rod 62. An auxiliary member is mounted on the dismounting portion 4, the auxiliary member is an auxiliary motor 43, and an output shaft of the auxiliary motor 43 is fixedly connected with an auxiliary rod 62. The inner wall of the dismounting part 4 is rotationally connected with a cutting knife 44, the dismounting part 4 is provided with a cutting motor 45, and an output shaft of the cutting motor 45 is fixedly connected with a rotating shaft of the cutting knife 44. The detection switch 46 is installed on the inner wall of the dismounting portion 4, the indicator lamp 47 is arranged on the dismounting portion 4, and the detection switch 46 and the indicator lamp 47 are transmitted through signals.

As shown in fig. 1, 2 and 4, when an operator pours asphalt into the asphalt tank, the feeding cover 61 is opened, the auxiliary motor 43 and the cutting motor 45 are started, the output shaft of the auxiliary motor 43 can drive the auxiliary rod 62 to rotate, the output shaft of the cutting motor 45 can drive the cutting knife 44 to rotate, the auxiliary rod 62 can drive the auxiliary plate 63 to rotate, the possibility of asphalt blockage in the feeding pipe 6 is reduced, and the cutting knife 44 can cut asphalt with larger particles by rotating. When asphalt in the asphalt tank is accumulated near the detection switch 46, the detection switch 46 generates a signal to the indicator lamp 47, so that the indicator lamp 47 is turned on to remind an operator to stop pouring asphalt.

As shown in fig. 1, the exhaust pipe 2 is fixedly connected to the fixing portion 5, and the exhaust pipe 2 communicates with the inside of the fixing portion 5. One end of the exhaust pipe 2 far away from the tank body 1 is connected with an activated carbon box 3, a glass door 34 is arranged on the activated carbon box, and the glass door 34 is hinged with the activated carbon box 3. The active carbon case 3 fixedly connected with first outlet duct 31 and second outlet duct 32, first outlet duct 31 and second outlet duct 32 all communicate with active carbon case 3, all are provided with air outlet valve 33 on first outlet duct 31 and the second outlet duct 32, and first outlet duct 31 communicates with fixed part 5 inside, installs barometer 11 on the dismantlement portion 4. Toxic gas generated by asphalt heating is discharged into the activated carbon box 3 through the exhaust pipe 2, activated carbon in the activated carbon box 3 can treat the toxic gas, the treated gas can enter the fixing part 5 through the first air outlet pipe 31 to provide temperature for asphalt in the fixing part 5, the air pressure in the tank body 1 is observed through the air pressure gauge 11, and the air is discharged through the second air outlet pipe 32 by opening the air outlet valve 33 on the second air outlet pipe 32, so that the air pressure in the tank body 1 is conveniently controlled to be in a proper range.

The implementation principle of the emission reduction system of the asphalt mixing plant is as follows:

when the operator pours asphalt into the asphalt tank, the feeding cover 61 is opened, the auxiliary motor 43 and the cutting motor 45 are started, the auxiliary motor 43 can enable the auxiliary rod 62 to rotate, the auxiliary rod 62 rotates to drive the auxiliary plate 63 to rotate, the possibility that asphalt is accumulated in the feeding pipe 6 is reduced, the cutting motor 45 can enable the cutting blade 44 to rotate, the cutting blade 44 can cut asphalt with larger particles falling from the subtracting pipe, and when asphalt in the asphalt tank is accumulated near the detection switch 46, the detection switch 46 sends a signal to the indicator lamp 47 to remind the operator to stop pouring asphalt.

When asphalt is located behind the asphalt tank, the asphalt tank heats up to preserve the asphalt, and the asphalt receives high temperature to produce poisonous gas, and poisonous gas moves to the active carbon case 3 through blast pipe 2, and the active carbon in the active carbon case 3 handles poisonous gas, and the gas after handling is got back into the asphalt tank through first outlet duct 31, provides the temperature to the asphalt, and operating personnel is according to the air outlet valve 33 on the adjustable second outlet duct 32 of barometer 11, and the atmospheric pressure in the control asphalt tank is in suitable scope.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides an asphalt mixing plant emission reduction system, includes jar body (1) and blast pipe (2), blast pipe (2) and jar body (1) fixed connection, blast pipe (2) and jar internal intercommunication of body (1), its characterized in that: one end that jar body (1) was kept away from to blast pipe (2) is connected with active carbon case (3), active carbon case (3) are connected with first outlet duct (31) and second outlet duct (32), all be provided with air outlet valve (33) on first outlet duct (31) and second outlet duct (32), first outlet duct (31) and jar internal intercommunication of body (1), install barometer (11) on jar body (1).

2. An asphalt mixing plant emission abatement system as defined in claim 1, wherein: the tank body (1) comprises a disassembly part (4) and a fixing part (5), wherein the disassembly part (4) is positioned above the fixing part (5), and the disassembly part (4) is detachably connected with the fixing part (5).

3. An asphalt mixing plant emission abatement system as defined in claim 2, wherein: the fixing part (5) is fixedly connected with a positioning block (51), the dismounting part (4) is provided with a positioning groove (41), the positioning groove (41) is used for embedding the positioning block (51), the dismounting part (4) is provided with a positioning bolt (42), and the positioning bolt (42) penetrates through the bottom of the positioning groove (41) and is in threaded connection with the positioning block (51).

4. An asphalt mixing plant emission abatement system as defined in claim 2, wherein: be provided with inlet pipe (6) on dismantling portion (4), install feeding lid (61) on inlet pipe (6), it is connected with auxiliary rod (62) to rotate on inlet pipe (6), fixedly connected with accessory plate (63) on auxiliary rod (62), be provided with the auxiliary member on dismantling portion (4), the auxiliary member is used for controlling the rotation of auxiliary rod (62).

5. An asphalt mixing plant emission abatement system as defined in claim 4, wherein: the auxiliary part is an auxiliary motor (43), and an output shaft of the auxiliary motor (43) is fixedly connected with an auxiliary rod (62).

6. An asphalt mixing plant emission abatement system as defined in claim 4, wherein: the disassembly part (4) is rotationally connected with a cutting knife (44), the disassembly part (4) is provided with a cutting motor (45), and an output shaft of the cutting motor (45) is fixedly connected with a rotating shaft of the cutting knife (44).

7. An asphalt mixing plant emission abatement system as defined in claim 2, wherein: the inner wall of the dismounting part (4) is provided with a detection switch (46), the dismounting part (4) is provided with an indicator lamp (47), and the detection switch (46) and the indicator lamp (47) are in signal transmission.

8. An asphalt mixing plant emission abatement system as defined in claim 1, wherein: and a glass door (34) is arranged on the activated carbon box (3), and the glass door (34) is hinged with the activated carbon box (3).