Flow type production line for premixed dry powder

Abstract

The utility model belongs to the field of railway tunnel secondary lining concrete grouting material production, and particularly relates to a premixed dry powder flowing type production line. Comprising a forced stirrer, the manual feeding hopper is connected with the forced stirrer through a manual feeding screw conveyor; the pressurized quantitative packing machine is connected with the forced stirrer through a finished product screw conveyor; the horizontal batching bin is connected with the forced stirrer through the feeding screw conveyor, and the horizontal batching bin is connected with the sand sucker; the master batch conveying pipe is connected with the middle part of the finished product screw conveyor; the air compressor is connected with the air storage tank through an air pipe; the dust collector is connected with the pressurizing type quantitative packing machine through an air suction pipe and used for sucking dust of the pressurizing type quantitative packing machine. According to the utility model, the product performance can be quickly adjusted according to the site condition, and the construction site can be better served.

Description

Technical Field

[0001] The utility model belongs to the field of railway tunnel secondary lining concrete grouting material production, and specifically relates to a premixed dry powder material flow production line. Background Art

[0002] At present, tunnels are widely used in railway projects. The main method of tunnel construction is drilling and blasting. After excavation, primary support, waterproof board and secondary lining concrete are constructed. After the secondary lining is completed, due to concrete performance, construction technology, common quality problems and other reasons, the back of the secondary lining concrete is hollow and there are gaps around the tunnel, which cannot form effective support. In order to solve the above problems, each construction project now adopts the process of secondary lining grouting with pre-buried grouting pipes to solve the hollowing problem. At this stage, the production of grouting materials adopts fixed production lines and fixed production sites, which has problems such as long transportation distance, poor adaptability of grouting materials, and inability to adjust according to customer needs.

[0003] In view of the above problems, how to solve the on-site flow production of tunnel grouting materials requires a new device to solve this problem. Summary of the invention

[0004] The utility model provides a mobile production line for premixed dry powder materials in order to solve the problems that the current production of grouting materials adopts fixed production lines and fixed production locations, has the problems of long transportation distances, poor adaptability of the grouting materials, and cannot be adjusted according to actual customer needs.

[0005] The utility model adopts the following technical scheme: a premixed dry powder flow production line, comprising:

[0006] forced mixer;

[0007] A manual feeding hopper, wherein the manual feeding hopper is connected to a forced mixer via a manual feeding screw machine;

[0008] A pressurized quantitative packaging machine, wherein the pressurized quantitative packaging machine is connected to a forced mixer via a finished material screw machine;

[0009] A horizontal batching bin, wherein the horizontal batching bin is connected to the forced mixer via a feeding screw machine, and the horizontal batching bin is connected to a sand suction machine;

[0010] A masterbatch conveying pipe, the masterbatch conveying pipe is connected to the middle of the finished material screw machine;

[0011] An air compressor, wherein the air compressor is connected to the air storage tank via an air pipe;

[0012] A vacuum cleaner is connected to the pressurized quantitative packaging machine through an air suction pipe to absorb dust from the pressurized quantitative packaging machine.

[0013] In some embodiments, a weight sensor is provided on the compulsory mixer.

[0014] In some embodiments, a working platform is further included, and the forced mixer is disposed on the working platform.

[0015] In some embodiments, an upper frame for support is provided on the outside of the work platform, an outer envelope is provided on the upper frame, a support cylinder of the outer envelope is connected to a gas storage tank through an air pipe, and the compressed gas in the gas storage tank pushes the support cylinder of the outer envelope to drive the outer envelope to open and close.

[0016] In some embodiments, the horizontal batching bin comprises:

[0017] A tank body, wherein two grids are arranged inside the tank body for storing different ingredients, and a plurality of legs are arranged at the bottom of the tank body; a height adjustment device, wherein the height adjustment device is installed at the bottom of each leg;

[0018] A feed pipe, one end of which is connected to one of the grids in the tank body, and the feed pipe drives the fly ash into the tank body through the air pump of the bulk powder transport vehicle;

[0019] The sand sucker is respectively connected to the connector and the material discharging rack through a hose, and the connector is connected to another grid in the tank body.

[0020] In some embodiments, the height adjustment device comprises:

[0021] A base, wherein a cylinder is arranged at a position corresponding to the supporting legs of the base;

[0022] A hydraulic jack, wherein the hydraulic jack is installed in a cylinder of the base, and the upper end of the hydraulic jack is connected to the bottom of the outrigger;

[0023] A hydraulic pump station is connected to a hydraulic jack via a high-pressure oil pipe.

[0024] In some embodiments, the bottom of the base is a solid steel plate, and the cylinder on the base is provided with a plurality of symmetrical circular positioning holes of different heights from top to bottom. The positioning holes provided on all the circular tubes on the base are of the same height, and the positioning pins are passed through the circular positioning holes of the base and the matching positioning holes on the legs according to different required heights.

[0025] In some embodiments, the tank body is rectangular and has compartments for storage in the middle, and the lower part of the tank body is a conical discharge port.

[0026] In some embodiments, the sand suction device transports the machine-made sand into the tank through a hose and a spiral wire in the hose through a connector.

[0027] In some embodiments, the feed pipe is connected to fly ash, and machine-made sand is placed in the discharge rack.

[0028] Compared with the prior art, the utility model has the following beneficial effects:

[0029] The flow production method adopted by the utility model solves the problem of dual use of a single bin for fly ash and machine-made sand by using a dual-mode horizontal batching bin; solves the problem of separate operation of metering and mixing by integrating metering and mixing design; realizes vehicle-mounted transportation of the production line by integrating all modules of the production line, achieves the purpose of on-site preparation of grouting materials, can quickly adjust product performance according to on-site conditions, and better serves the construction site. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a top view schematic diagram of the utility model;

[0031] Figure 2 is a front view schematic diagram of the utility model;

[0032] Figure 3 is a front view schematic diagram of the transportation state of the utility model;

[0033] Figure 4 is a top view schematic diagram of the transportation state of the utility model;

[0034] Figure 5 is a structural schematic diagram of the horizontal batching bin;

[0035] Among them, 1 is the control room, 2 is the manual feeding hopper, 3 is the manual feeding screw conveyor, 4 is the forced mixer, 5 is the finished product screw conveyor, 6 is the master material conveying pipe, 7 is the dust collector, 8 is the pressure filling type quantitative packing machine, 9 is the air compressor, 10 is the air storage tank, 11 is the horizontal batching bin, 13 is the feeding screw conveyor, 14 is the main machine fixing cushion block, 15 is the outer package, 16 is the weight sensor, 17 is the working platform, 11.1 is the base, 11.2 is the hydraulic jack, 11.3 is the positioning pin, 11.4 is the support leg, 11.5 is the tank body, 11.6 is the dust protector, 11.7 is the connector, 11.8 is the sand suction device, 11.9 is the discharging rack, 11.10 is the feeding pipe, 11.11 is the hydraulic pump station. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] To make the objectives, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below. Apparently, the described embodiments are some but not all of the embodiments of the utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the utility model without creative efforts shall fall within the protection scope of the utility model.

[0037] A pre-mixed dry powder material flow production line includes:

[0038] A forced mixer 4;

[0039] Manual feeding hopper 2, and the manual feeding hopper 2 is connected to a compulsory mixer 4 through a manual feeding screw conveyor;

[0040] Pressurized quantitative packing machine 8, and the pressurized quantitative packing machine 8 is connected to the compulsory mixer 4 through a finished product screw conveyor 5;

[0041] Horizontal batching silo 11, and the horizontal batching silo 11 is connected to the compulsory mixer 4 through a feeding screw conveyor 13, and the horizontal batching silo 11 is connected to a sand suction machine 12;

[0042] Masterbatch conveying pipe 6, and the masterbatch conveying pipe 6 is connected to the middle part of the finished product screw conveyor 5;

[0043] Air compressor 7, and the air compressor 7 is connected to an air storage tank 10 through an air pipe;

[0044] Vacuum cleaner 9, and the vacuum cleaner 9 is connected to the pressurized quantitative packing machine 8 through a suction pipe to suck the dust of the pressurized quantitative packing machine 8;

[0045] Furthermore, a weight sensor 16 is arranged on the compulsory mixer 4.

[0046] Furthermore, it further includes a working platform 17, and the compulsory mixer 4 is arranged on the working platform 17.

[0047] Furthermore, an upper frame for support is arranged outside the working platform 17, an outer envelope 15 is arranged on the upper frame, a support cylinder of the outer envelope 15 is connected to the air storage tank 10 through an air pipe, and the support cylinder of the outer envelope 15 is driven by the compressed air of the air storage tank 10 to drive the outer envelope 15 to open and close.

[0048] This device solves the problem of dual use of fly ash and manufactured sand in one bin by adopting a dual-mode horizontal batching bin; realizes the sectional operation of metering and mixing through the integrated design of metering and mixing; and achieves the on-site preparation and production of grouting materials by integrating all modules of the production line for vehicle-mounted transportation and construction. First, position the vehicle of the transportation production line side by side with the batching bin, open part of the outer enclosure, lift the horizontal batching bin, position and install the manual feeding hopper, and successively install the manual feeding screw conveyor, the feeding screw conveyor, the finished product screw conveyor, and the mother material conveying pipe. Connect the relevant circuits and conduct a trial run. During production, appropriate amounts of cement and fly ash are fed into the horizontal batching bin, the mother material mixing ratio is input, and for the feeding of powder materials and manual operation, other parts of the reagents are sequentially put into the forced mixer from the manual feeding bin and stirred for 15 minutes. Then, open the intermediate discharge switch of the screw conveyor to convey the mother material to the ton bag in the discharge area, and it is transported to the storage area by a forklift and used after passing the inspection. During the secondary compounding, first empty the fly ash bin in the batching area, suck the manufactured sand into the horizontal batching bin by a hose sand suction machine, place the qualified mother material in the manual feeding bin, and close the intermediate discharge switch of the screw conveyor in the mixing area; input the grouting material mixing ratio in the control room, and the cement and manufactured sand are directly fed into the main machine in the mixing area by the screw conveyor. For the manual operation of the mother material part, it is put in from the manual feeding area, and the feeding sequence is cement, manufactured sand, and mother material; after all the powder materials are forcibly stirred evenly, the grouting material is conveyed to a pressure-type quantitative packing machine for packing, and it is transported to the storage area by a forklift and used after passing the inspection.

[0049] As Figure 5 shown, the horizontal batching bin 11 includes:

[0050] A tank body 11.5, two grids are arranged inside the tank body 11.5 for storing different batching materials, and a plurality of legs 11.4 are arranged at the bottom of the tank body 11.5; a height adjusting device, and the height adjusting device is installed at the bottom of each leg.

[0051] A feed pipe 11.10, one end of the feed pipe 11.10 is connected to one of the grids inside the tank body 11.5, and the fly ash is driven into the tank body 11.5 through the air pump of the bulk powder material transport vehicle through the feed pipe 11.10.

[0052] A sand suction device 11.8, the sand suction device 11.8 is respectively connected to a connector 11.7 and a discharging rack 11.9 through a hose, and the connector 11.7 is connected to the other grid inside the tank body 11.5.

[0053] Further, the height adjusting device includes:

[0054] A base 11.1, a cylinder is arranged at the position of the base 11.1 corresponding to the leg 11.4;

[0055] A hydraulic jack 11.2, the hydraulic jack 11.2 is installed inside the cylinder of the base 11.1, and the upper end of the hydraulic jack 11.2 is connected to the bottom of the leg 11.4;

[0056] The hydraulic pump station 11.11 is connected to the hydraulic jack 11.2 through a high-pressure oil pipe.

[0057] Furthermore, the bottom of the base 11.1 is a solid steel plate. Multiple symmetric circular positioning holes with different heights are arranged on the cylinder of the base 11.1 from top to bottom. The positioning holes arranged on the round tubes of all bases 11.1 are of the same height. According to different requirements, the height positioning pins 11.3 pass through the circular positioning holes of the base 11.1 and the matching positioning holes on the support legs 11.4.

[0058] Furthermore, the tank body 11.5 is rectangular and divided into compartments for storage in the middle. The lower part of the tank body 11.5 is a conical discharging port.

[0059] Furthermore, the sand suction device 11.8 conveys the manufactured sand into the tank body 11.5 through a hose and a spiral steel wire inside the pipe via a connector 11.7.

[0060] Furthermore, the feed pipe 11.10 is connected to fly ash, and the manufactured sand is placed inside the discharging rack 11.9.

[0061] By setting two raw material input channels in one compartment of one tank body, the feed pipe conveys fly ash, and the sand suction device, together with the hose and the spiral steel wire inside the pipe, conveys the manufactured sand into the tank body through a connector, realizing the function of converting the storage in one compartment to achieve the dual-mode storage of fly ash and manufactured sand. The hydraulic jack moves the support legs up and down inside the round tube of the base with the base as the foundation. After the height is jacked up in place, the positioning pins pass through the height adjustment positioning holes of the base and the support legs, realizing the height adjustment of the batching bin, enabling the batching bin to be used in cooperation with the pre-mixed dry powder material vehicle-mounted production line and increasing the applicability of the device.

[0062] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A mobile production line for premixed dry powder materials, characterized in that, Including: A compulsory mixer (4); A manual feeding hopper (2), which is connected to the compulsory mixer (4) through a manual feeding screw conveyor; A pressurized quantitative packing machine (8), which is connected to the compulsory mixer (4) through a finished product screw conveyor (5); A horizontal batching bin (11), which is connected to the compulsory mixer (4) through a feeding screw conveyor (13), and the horizontal batching bin (11) is connected to a sand suction machine (12); A masterbatch conveying pipe (6), which is connected to the middle of the finished product screw conveyor (5); An air compressor (7), which is connected to an air storage tank (10) through an air pipe; A dust collector (9), which is connected to the pressurized quantitative packing machine (8) through a suction pipe to suck the dust of the pressurized quantitative packing machine (8).

2. The flow-type production line of premixed dry powder according to claim 1, characterized in that A weight sensor (16) is arranged on the compulsory mixer (4).

3. The flow production line of premixed dry powder according to claim 1, characterized in that, It also includes a working platform (17), and the compulsory mixer (4) is arranged on the working platform (17).

4. The premixed dry powder flow production line according to claim 3, characterized in that, An upper frame for support is arranged outside the working platform (17), an outer envelope (15) is arranged on the upper frame, and the support cylinder of the outer envelope (15) is connected to the air storage tank (10) through an air pipe. The compressed air of the air storage tank (10) is used to push the support cylinder of the outer envelope (15) to drive the outer envelope (15) to open and close.

5. The flow-type production line of premixed dry powder according to claim 1, characterized in that The horizontal batching bin (11) includes: A tank body (11.5), two grids are arranged inside the tank body (11.5) for storing different batching materials, and a plurality of legs (11.4) are arranged at the bottom of the tank body (11.5); A height adjusting device, which is installed at the bottom of each leg; A feeding pipe (11.10), one end of the feeding pipe (11.10) is connected to one of the grids inside the tank body (11.5), and fly ash is driven into the tank body (11.5) through the air pump of the bulk powder transport vehicle for the feeding pipe (11.10); A sand suction device (11.8), which is connected to a connector (11.7) and a discharging rack (11.9) respectively through a hose, and the connector (11.7) is connected to the other grid inside the tank body (11.5).

6. The flow-type production line of premixed dry powder according to claim 5, characterized in that, The height adjusting device includes: A base (11.1), a cylinder is arranged at the position of the base (11.1) corresponding to the leg (11.4); A hydraulic jack (11.2), which is installed inside the cylinder of the base (11.1), and the upper end of the hydraulic jack (11.2) is connected to the bottom of the leg (11.4); A hydraulic pump station (11.11), which is connected to the hydraulic jack (11.2) through a high-pressure oil pipe.

7. The mobile production line for premixed dry powder according to claim 6, characterized in that, The bottom of the base (11.1) is a solid steel plate, and a plurality of circular positioning holes with different heights and symmetries are arranged on the cylinder of the base (11.1) from top to bottom. The positioning holes arranged on the round pipes of all bases (11.1) have the same height. According to different requirements, a positioning pin (11.3) passes through the circular positioning hole of the base (11.1) and the matching positioning hole on the leg (11.4).

8. The flow-type production line of premixed dry powder according to claim 5, characterized in that, The tank body (11.5) is rectangular and divided in the middle for storage, and the lower part of the tank body (11.5) is a conical discharging port.

9. The flow production line of premixed dry powder according to claim 5, characterized in that, The sand suction device (11.8) conveys machine-made sand into the tank body (11.5) through a hose and a spiral steel wire inside the hose via a connector (11.7).

10. The premixed dry powder flow production line according to claim 5, characterized in that, The feed pipe (11.10) is connected to fly ash, and machine-made sand is placed inside the discharging rack (11.9).

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