CN214323788U

CN214323788U - Concrete mixing plant

Info

Publication number: CN214323788U
Application number: CN202023202796.9U
Authority: CN
Inventors: 候宜胜; 尤铮亚; 宗红雅; 苏雪琴
Original assignee: Changshu Tianhe Concrete Co ltd
Current assignee: Changshu Tianhe Concrete Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-10-01
Anticipated expiration: 2030-12-26

Abstract

The application discloses a concrete mixing plant, which is applied to the field of concrete mixing devices and solves the technical problems that raised dust can be generated and diffused into the air and the environment is polluted in the process of conveying materials by the concrete mixing plant; has the technical effects of reducing the dust diffusion into the air and reducing the pollution to the environment.

Description

Concrete mixing plant

Technical Field

The application relates to the technical field of concrete mixing devices, in particular to a concrete mixing plant.

Background

The concrete mixing plant is a combined device for intensively mixing concrete, and is also called a concrete precast yard. Because of its high degree of mechanization and automation, it has high productivity, can ensure the quality of concrete and save cement, and is commonly used in large and medium-sized water conservancy projects, electric power projects, bridges and other projects with large concrete engineering quantity, long construction period and centralized construction sites.

The prior Chinese patent with publication number CN205631005U discloses a concrete mixing plant, which comprises an aggregate batching system, a hopper, a mixing main machine and a cement bin, wherein the aggregate batching system, the hopper, the mixing main machine and the cement bin are all provided with a chassis and are all arranged on the ground through the chassis; the aggregate feeding conveying belt comprises an aggregate receiving section and an aggregate conveying section, the aggregate receiving section is installed on the chassis and located below the aggregate weighing hopper, and the aggregate conveying section is obliquely arranged and conveys aggregates received by the aggregate receiving section to the hopper.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the concrete mixing plant may generate dust to diffuse into the air during the process of transferring materials, thereby polluting the environment.

SUMMERY OF THE UTILITY MODEL

In order to reduce the raise dust and spread the air, reduce the pollution that causes the environment, this application provides a concrete mixing plant.

The application provides a concrete mixing plant adopts following technical scheme: the utility model provides a concrete mixing plant, includes the dust pit, the dust pit sets up under the earth's surface, dust pit department is provided with material transfer device, material transfer device's initiating terminal sets up in the dust pit, dust pit upper end is provided with dustproof apron, the last feed inlet to material transfer device material loading that is provided with of dustproof apron, be provided with the conveying mouth that supplies material transfer device to stretch out on the dustproof apron, the end of conveying mouth is provided with material mixing device.

Through above-mentioned technical scheme, set up material transfer device's initiating terminal in the dustproof hole, can reduce the dust when the effect of catching wind makes the material loading raise, dustproof apron can reduce the diffusion of dust in the dustproof hole simultaneously.

The application is further configured to: the material conveying device comprises a sand conveying belt and a powder spiral conveyor, the sand conveying belt and the powder spiral conveyor are arranged in parallel, and a feed inlet is formed in a dustproof cover plate above the starting end of the sand conveying belt and the powder spiral conveyor.

Through above-mentioned technical scheme, make the dust of having raised easily to the powder conveying, powder screw conveyer wholly seals the setting, transports the raising that can reduce the powder through powder screw conveyer to the powder.

The application is further configured to: the outside of grit conveyer belt is provided with the dust cover, be provided with the through-hole on the dust cover of grit conveyer belt initial end department.

Through above-mentioned technical scheme, block external wind-force through the dust cover, reduced the raise dust of grit in data send process.

The application is further configured to: the feed inlet lower extreme of grit conveyer belt top is connected with the spout, the end of spout passes the through-hole, the feed inlet lower extreme of powder screw conveyer top is connected with the inlet pipe, the terminal and the lateral wall intercommunication of powder screw conveyer of inlet pipe.

Through above-mentioned technical scheme, the grit passes through on the spout landing grit conveyer belt, reduces the direct dust that drops and raise of grit, guarantees the holistic sealed effect of powder screw conveyer through the inlet pipe, prevents the dust diffusion that the powder produced.

The application is further configured to: the grit conveyer belt initial end department is provided with the baffle, the inner wall connection of baffle and dust cover, the lower extreme of baffle is connected with the brush, the brush contacts with the grit conveyer belt.

Through above-mentioned technical scheme, block the grit on the grit conveyer belt through the baffle, prevent that the grit from rolling down from the initiating terminal of grit conveyer belt, clean grit conveyer belt surface through the brush simultaneously, prevent that the deposition is too much on the grit conveyer belt.

The application is further configured to: be provided with grit metering device and powder metering device on the dust cover, grit metering device and grit conveyer belt top feed inlet intercommunication, powder metering device and the feed inlet intercommunication of powder screw conveyer top.

Through above-mentioned technical scheme, make the grit and the powder of weighing can directly carry out the material loading to grit conveyer belt and powder screw conveyer respectively, reduce and weigh the back and move the dress material loading and the dust that produces again.

The application is further configured to: and a dust spraying device is arranged at the gravel metering device, and a dust pumping device is arranged at the powder metering device.

Through above-mentioned technical scheme, spray water dust spray set department through spray set, block the diffusion that grit material loading produced the dust. The dust generated by the powder is collected through the dust extraction device, so that the powder is prevented from being wetted to influence the transmission.

The application is further configured to: the bottom in dust pit is equipped with the infiltration apron, the below of infiltration apron is provided with sewage discharge canal.

Through above-mentioned technical scheme, drain away the sewage in the dust pit through sewage discharge canal to it is too much to prevent to gather water in the dust pit.

To sum up, the beneficial technical effect of this application does:

1. the starting end of the material conveying device is arranged in the dustproof pit, so that the dust can be prevented from being lifted up when the material is fed under the action of wind force, and meanwhile, the dust can be prevented from being diffused in the dustproof pit by the dustproof cover plate;

2. the dust cover blocks the external wind power, so that the raised dust of the sand and stones in the conveying process is reduced;

3. spray water to dust spray set department through spray set, block the diffusion that the grit material loading produced the dust, collect the dust that the powder produced through taking out the dirt device, can avoid the powder to drench and influence the conveying.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a sectional view of the present embodiment;

figure 3 is a cross-sectional view of the embodiment showing the sand conveyor belt.

Description of the drawings, 1, dust pits; 2. a dust-proof cover plate; 3. a mixing drum; 4. a sand conveyor belt; 5. a powder screw conveyor; 6. a dust cover; 7. a chute; 8. a feed pipe; 9. a baffle plate; 10. a sand and stone metering device; 11. a powder metering device; 12. a dust spraying device; 13. a dust extractor; 14. a dust-extraction cloth belt; 15. a water seepage cover plate; 16. sewage drainage channel.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example (b):

referring to fig. 1 and 2, for a concrete mixing plant that this application discloses, including dustproof hole 1, dustproof hole 1 sets up in the subsurface, and dustproof hole 1 department is provided with material transfer device. Material conveyer includes grit conveyer belt 4 and powder screw conveyer 5, and grit conveyer belt 4 and 5 parallel arrangement of powder screw conveyer convey, convey the grit through grit conveyer belt 4, convey the powder through powder screw conveyer 5. The starting ends of the sand conveying belt 4 and the powder spiral conveyer 5 are arranged in the dust-proof pit 1. The upper end of the dust-proof pit 1 is provided with a dust-proof cover plate 2, so that dust can be prevented from being raised when the sand conveying belt 4 and the powder screw conveyor 5 are fed. The dust-proof cover plate 2 above the initiation ends of the sand conveying belt 4 and the powder spiral conveyer 5 are provided with feed inlets.

Referring to fig. 1 and 2, a sand and powder metering device 10 and a powder metering device 11 are arranged on the dustproof cover plate 2, and sand and powder are respectively weighed by the sand and powder metering device 10 and the powder metering device 11. Grit metering device 10 and the feed inlet intercommunication of grit conveyer belt 4 top, powder metering device 11 and the feed inlet intercommunication of powder screw conveyer 5 top make and weigh good grit and powder and can directly carry out the material loading to grit conveyer belt 4 and powder screw conveyer 5 respectively. Be provided with the conveying mouth that supplies material transfer device to stretch out on the dust cover 2, the end of conveying mouth is provided with material mixing device, and material mixing device sets up to churn 3, stirs in conveying the churn 3 with grit and powder through grit conveyer belt 4 and powder screw conveyer 5, and the intercommunication has the delivery pipe on the lateral wall of churn 3, supplies water in to churn 3 through the water service pipe.

Referring to fig. 1 and 2, the powder screw conveyor 5 is integrally closed, and the lifting of the powder can be reduced by transporting the powder by the powder screw conveyor 5. The outside of grit conveyer belt 4 is provided with dust cover 6, reduces the raise dust of grit in data send process through dust cover 6, is provided with the through-hole on the dust cover 6 of 4 starting ends departments of grit conveyer belt, and the feed inlet lower extreme of 4 tops of grit conveyer belt is connected with spout 7, and the through-hole is passed to the end of spout 7, makes the grit of weighing pass through spout 7 landing on grit conveyer belt 4, reduces the direct dust that drops and raise of grit. The feed inlet lower extreme of powder screw conveyer 5 top is connected with inlet pipe 8, and the terminal of inlet pipe 8 and powder screw conveyer 5's lateral wall intercommunication guarantee the holistic sealed effect of powder screw conveyer 5 through inlet pipe 8. The dust cover 6 and the tail end of the powder spiral conveyor 5 are connected with the mixing drum 3 in a sealing mode, and dust flying generated when the mixing drum 3 is fed is reduced.

Referring to fig. 1 and 2, a dust spraying device 12 is arranged at the sandstone metering device 10, and when the sandstone is loaded, the dust spraying device 12 is sprayed with water by the spraying device to prevent the sandstone from being loaded to generate dust diffusion. Powder metering devices 11 department is provided with takes out the dirt device, takes out the dirt device and includes dust extractor 13, and dust extractor 13's air outlet department is connected with takes out dirt strap 14, handles the raise dust of powder through dust extractor 13, and the dust that dust extractor 13 was taken out enters into and takes out dirt strap 14, collects the raise dust through taking out dirt strap 14.

Referring to fig. 1 and 3, grit conveyer belt 4 starting point department is provided with baffle 9, baffle 9 and dust cover 6's interior wall connection, and the lower extreme of baffle 9 is connected with the brush, and the brush contacts with grit conveyer belt 4, blocks the grit on grit conveyer belt 4 through baffle 9, prevents that the grit from rolling down from the starting point of grit conveyer belt 4, cleans the grit conveyer belt 4 surface through the brush simultaneously, prevents that the ash deposit is too much on grit conveyer belt 4.

Referring to fig. 1 and 2, when the dust spraying device 12 is sprayed with water by the spraying device, the water mist falls onto the sand conveying belt 4 and finally flows into the dust-proof pit 1. The bottom of dust pit 1 is equipped with infiltration apron 15, and the below of infiltration apron 15 is provided with sewage discharge canal 16, drains away the sewage in dust pit 1 through sewage discharge canal 16 to it is too much to prevent to ponding in dust pit 1.

The implementation principle of the embodiment is as follows: the initiating terminal setting of grit conveyer belt 4 and powder screw conveyer 5 is in dust pit 1, and dust cover 2 is provided with in dust pit 1 upper end, can reduce the raise of dust when feeding to grit conveyer belt 4 and powder screw conveyer 5. Simultaneously through dust cover 6 reduction grit raise dust in the transfer process, through spray set and take out the diffusion that the dirt device reduced the dust.

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

Claims

1. The utility model provides a concrete mixing plant, its characterized in that, includes dust pit (1), dust pit (1) sets up under the earth's surface, dust pit (1) department is provided with material transfer device, material transfer device's initiating terminal sets up in dust pit (1), dust pit (1) upper end is provided with dustproof apron (2), be provided with the feed inlet to material transfer device material loading on dustproof apron (2), be provided with the conveying mouth that supplies material transfer device to stretch out on dustproof apron (2), the end of conveying mouth is provided with material mixing device.

2. The concrete mixing plant according to claim 1, characterized in that the material conveying device comprises a sand conveyor belt (4) and a powder screw conveyor (5), the sand conveyor belt (4) and the powder screw conveyor (5) are arranged in parallel, and the dust cover plate (2) above the starting ends of the sand conveyor belt (4) and the powder screw conveyor (5) is provided with a feeding hole.

3. A concrete mixing plant according to claim 2, characterised in that the sand conveyor (4) is provided with dust protection covers (6) on its outside, and that the dust protection covers (6) at the starting end of the sand conveyor (4) are provided with through holes.

4. A concrete mixing plant according to claim 3, characterized in that the lower end of the feed inlet above the gravel conveyor belt (4) is connected with a chute (7), the end of the chute (7) passes through the through hole, the lower end of the feed inlet above the powder screw conveyor (5) is connected with a feed pipe (8), and the end of the feed pipe (8) is communicated with the side wall of the powder screw conveyor (5).

5. A concrete mixing plant according to claim 3, characterized in that a baffle (9) is arranged at the beginning of the gravel conveyor belt (4), said baffle (9) is connected to the inner wall of the dust cover (6), and the lower end of said baffle (9) is connected to a brush, said brush being in contact with the gravel conveyor belt (4).

6. A concrete mixing plant according to claim 2, characterized in that the dust-proof cover plate (2) is provided with a sand and stone metering device (10) and a powder metering device (11), the sand and stone metering device (10) is communicated with the feed inlet above the sand and stone conveyor belt (4), and the powder metering device (11) is communicated with the feed inlet above the powder screw conveyor (5).

7. A concrete mixing plant according to claim 6, characterized in that a dust spraying device (12) is arranged at the sand and stone metering device (10), and a dust extraction device is arranged at the powder metering device (11).

8. The concrete mixing plant according to claim 7, characterized in that the bottom end of the dust pit (1) is provided with a water permeable cover plate (15), and a sewage discharge channel (16) is arranged below the water permeable cover plate (15).