CN111673914A - Cement stabilized soil mixing system and mixing method - Google Patents
Cement stabilized soil mixing system and mixing method Download PDFInfo
- Publication number
- CN111673914A CN111673914A CN202010413275.3A CN202010413275A CN111673914A CN 111673914 A CN111673914 A CN 111673914A CN 202010413275 A CN202010413275 A CN 202010413275A CN 111673914 A CN111673914 A CN 111673914A
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- China
- Prior art keywords
- soil
- mixing
- plain
- cement
- hopper
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
- B28C7/0076—Parts or details thereof, e.g. opening, closing or unloading means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0481—Plant for proportioning, supplying or batching
Abstract
The cement stabilized soil mixing system comprises a plain soil bin, a plain soil conveying belt, a soil crushing device, a mixing conveying belt, a discharge hopper and the cement bin, wherein the plain soil bin comprises a support frame and a plain soil hopper arranged on the support frame, a layer of HDPE plate is laid on the inner wall of the plain soil hopper, and a vibrator is further arranged on the outer wall of the plain soil hopper. The method comprises the following steps of S1: conveying the plain soil to a plain soil bin; s2: conveying the plain soil to a soil crushing device by a plain soil conveying belt for soil crushing; s3: the crushed soil and the cement enter a mixing device to be mixed; s4: conveying the cement stabilized soil to a discharge hopper by a mixing conveyer belt; s5: and (4) carrying out quality detection on the cement stabilized soil in the discharge hopper, discharging and conveying to a construction site if the detection is qualified, and treating as waste if the detection is unqualified. Has the advantages of simple structure, low cost, convenient operation, good soil breaking effect and capability of ensuring the quality of cement stabilized soil mixture.
Description
Technical Field
The invention mainly relates to a stabilized soil mixing technology, in particular to a cement stabilized soil mixing system and a mixing method.
Background
The plain soil used by the cement stabilized soil has a certain plasticity index or has a larger water content, and is often blocky when being transported to a storage yard. Because the plasticity index of the soil is large, the soil is easy to adhere to the bin wall and blocks the outlet of the bin during mixing, so that the yield of a mixture is reduced, the bin opening is blocked, the dosage of cement of the mixture is also large and the like, and meanwhile, soil particles in agglomerated soil blocks cannot be wrapped by the cement, so that the quality of the mixture is seriously influenced; when the stirring cylinder is used for stirring, water, cement and soil are simultaneously mixed together for stirring, and the uniformity of the mixture is poor.
In order to solve the problems, the conventional method is to transport the plain soil to a stock ground and then crush the plain soil by a road mixer or screen the plain soil by a vibrating screen, manually put the plain soil into a warehouse, and the like, so that the measures have the disadvantages of more working procedures, high equipment and labor cost and low efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a cement stabilized soil mixing system which has the advantages of simple structure, low cost, convenient operation, good soil breaking effect and capability of ensuring the quality of cement stabilized soil mixture.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a cement stabilized soil mixing system, includes plain soil feed bin, plain soil conveyer belt, hack device, agitating unit, compounding conveyer belt and the play hopper that docks in proper order, still includes the cement feed bin with the agitating unit butt joint, plain soil feed bin includes the support frame and sets up the plain soil hopper on the support frame, the one deck HDPE board has been laid to the inner wall of plain soil hopper, still installs the vibrator on the outer wall of plain soil hopper.
As a further improvement of the above technical solution:
the soil crushing device comprises a material box, a soil crusher and a discharging screw rod, a feeding hole of the material box is in butt joint with the plain soil conveying belt, and a discharging hole of the material box is in butt joint with the mixing device.
The soil crusher comprises a soil crushing rotating shaft, a plurality of discs, a plurality of fixing rods and a plurality of soil crushing pieces, wherein the soil crushing rotating shaft is arranged in an inner cavity of the material box, the discs are uniformly and fixedly arranged on the soil crushing rotating shaft at intervals, the fixing rods are uniformly arranged on the discs in a penetrating mode along the circumferential direction of the discs, the soil crushing pieces are fixedly connected to the fixing rods between the discs, and the soil crushing pieces in the circumferential direction form a wheel tooth shape.
The mixing device comprises a stirring box, a stirring shaft and a water spray pipe, wherein the stirring shaft is arranged in the inner cavity of the stirring box, and the water spray pipe is arranged in the stirring box and close to a discharge hole of the stirring box.
The (mixing) shaft includes axis body and stirring tooth, the stirring tooth is arranged and is extended to between the discharge gate of spray pipe and agitator tank along the axis body.
The water spraying pipe is provided with a plurality of water spraying holes.
The cement stabilized soil mixing method is carried out by using the cement stabilized soil mixing system, and comprises the following steps:
s1: sending the qualified plain soil to a plain soil bin;
s2: conveying the plain soil to a soil crushing device by a plain soil conveying belt for soil crushing;
s3: the crushed soil and the cement in the cement bin enter a mixing device to be mixed;
s4: conveying the cement stabilized soil to a discharge hopper by a mixing conveyer belt;
s5: and (4) carrying out quality detection on the cement stabilized soil in the discharge hopper, discharging and conveying to a construction site if the detection is qualified, and treating as waste if the detection is unqualified.
Compared with the prior art, the invention has the advantages that:
according to the cement stabilized soil mixing system, the HDPE plate is laid on the inner wall of the plain soil hopper, so that the friction resistance between plain soil and the inner wall of the plain soil hopper, particularly between four corners of the plain soil hopper and the soil, is effectively reduced, and the soil can be prevented from being adhered to the inner wall of the plain soil hopper; the vibrator is also arranged on the outer wall of the plain soil hopper, so that the plain soil attached to the inner wall is peeled off from the inner wall of the storage bin under the action of external force vibration, the downward sliding of the soil can be accelerated, and the condition of blocking the plain soil hopper is reduced; a soil crushing device is arranged in front of the mixing device and is used for quickly crushing agglomerated and lumpy plain soil, so that the quality of cement stabilized soil mixture is ensured, the soil breaking effect is good, and the efficiency is high; the structure is simple and the cost is low. The cement stabilized soil mixing method is carried out by using the cement stabilized soil mixing system, is convenient to operate, and has the corresponding technical effects of the cement stabilized soil mixing system.
Drawings
FIG. 1 is a schematic view showing the construction of a soil mixing system for cement stabilization according to the present invention.
FIG. 2 is a schematic structural diagram of a raw soil hopper according to the present invention.
Fig. 3 is a schematic structural view of the soil crushing device of the present invention.
Fig. 4 is a schematic structural view of the soil breaker of the present invention.
FIG. 5 is a schematic view of the structure of the kneading apparatus of the present invention.
FIG. 6 is a schematic flow chart of the cement stabilized soil mixing method of the present invention.
The reference numerals in the figures denote:
1. a plain soil silo; 11. a support frame; 12. a plain soil hopper; 121. HDPE boards; 13. a vibrator; 2. a plain soil conveyer belt; 3. a soil breaking device; 31. a material box; 32. a soil crusher; 321. a soil crushing rotating shaft; 322. a disc; 323. fixing the rod; 324. crushing soil pieces; 33. a discharge screw; 4. a cement silo; 5. a mixing device; 51. a stirring box; 52. a stirring shaft; 521. a shaft body; 522. stirring teeth; 53. a water spray pipe; 531. a water spray hole; 6. a mixing conveyer belt; 7. a discharge hopper.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 5 show an embodiment of a cement stabilized soil mixing system according to the present invention, which includes a plain soil bin 1, a plain soil conveyer belt 2, a soil crushing device 3, a mixing device 5, a mixing conveyer belt 6, a discharge hopper 7, and a cement bin 4, wherein the plain soil bin 1 is in butt joint with the mixing device 5, the plain soil bin 1 includes a support frame 11 and a plain soil hopper 12 disposed on the support frame 11, a layer of HDPE plate 121 is laid on an inner wall of the plain soil hopper 12, and a vibrator 13 is further disposed on an outer wall of the plain soil hopper 12. During operation, the qualified plain soil is conveyed to a plain soil bin 1, the plain soil is conveyed to a soil crushing device 3 by a plain soil conveying belt 2 to be crushed, the cement of the soil crushing and a cement bin 4 enters a mixing device 5 to be mixed, then the cement stabilized soil is conveyed to a discharge hopper 7 by a mixing conveying belt 6, finally the quality of the cement stabilized soil in the discharge hopper 7 is detected, if the detection is qualified, the discharge is carried out, the cement stabilized soil is conveyed to a construction site, and if the detection is unqualified, the cement stabilized soil is treated as waste. Compared with the traditional structure, the system has the advantages that the HDPE plate 121 is laid on the inner wall of the plain soil hopper 12, so that the friction resistance between plain soil and the inner wall of the plain soil hopper 12, particularly between four corners of the plain soil hopper 12 and the soil, is effectively reduced, and the soil can be prevented from being adhered to the inner wall of the plain soil hopper 12; the vibrator 13 is also arranged on the outer wall of the plain soil hopper 12, so that the plain soil attached to the inner wall is peeled off from the inner wall of the storage bin under the action of external force vibration, the downward sliding of the soil can be accelerated, and the condition of blocking the plain soil hopper 12 is reduced; the soil crushing device 3 is arranged in front of the mixing device 5 and used for quickly crushing agglomerated and lumpy plain soil, so that the quality of cement stabilized soil mixture is ensured, the soil breaking effect is good, and the efficiency is high; the structure is simple and the cost is low.
In this embodiment, the soil crushing device 3 comprises a bin 31, a soil crusher 32 and a discharge screw 33, wherein a feed port of the bin 31 is in butt joint with the plain soil conveyer belt 2, and a discharge port of the bin 31 is in butt joint with the mixing device 5. In the structure, plain soil input by the plain soil conveyer belt 2 enters the material box 31, is broken through the soil crusher 32 to rapidly crush agglomerated and agglomerated plain soil, and is output by the discharging screw 33. The structure is simple and reliable.
In this embodiment, the soil crusher 32 includes a soil crushing rotating shaft 321, a plurality of disks 322, a plurality of fixing rods 323 and a plurality of soil crushing pieces 324, the soil crushing rotating shaft 321 is installed in the inner cavity of the material box 31, the disks 322 are fixedly installed on the soil crushing rotating shaft 321 at uniform intervals, the fixing rods 323 are uniformly arranged on the disks 322 in a penetrating manner along the circumferential direction of the disks 322, the soil crushing pieces 324 are fixedly connected to the fixing rods 323 between the disks 322, and the soil crushing pieces 324 form a wheel tooth shape in the circumferential direction. In the structure, the soil crushing rotating shaft 321, the plurality of discs 322, the plurality of fixing rods 323 and the plurality of soil crushing sheets 324 form a swinging hammer type soil crushing mechanism, so that the quality of a cement stabilized soil mixture is ensured.
In this embodiment, the mixing device 5 includes a mixing box 51, a mixing shaft 52 and a water spraying pipe 53, wherein the mixing shaft 52 is installed in the inner cavity of the mixing box 51, and the water spraying pipe 53 is installed in the mixing box 51 and close to the discharge port of the mixing box 51. In the structure, the water spraying pipe 53 is arranged in the stirring tank 51 and is close to the discharge hole of the stirring tank 51, namely delayed water supply is adopted, the single wet mixing process of a conventional stirring cylinder is divided into a dry mixing stage and a wet mixing stage, cement and plain soil enter the vicinity of the tail end after being uniformly mixed at the front end of the stirring cylinder in a dry mode, water is supplied again for wet mixing, the mixture of the water, the soil and the cement is changed into a strip-shaped joint surface from a point-shaped joint surface, the water spraying area and the water spraying amount in unit time are increased, the mixing speed is accelerated, and the mixing quality is improved.
In this embodiment, the stirring shaft 52 includes a shaft body 521 and stirring teeth 522, and the stirring teeth 522 are arranged along the shaft body 521 and extend to between the water spray pipe 53 and the discharge port of the stirring tank 51. The structure is simple and reliable.
In this embodiment, the spout 53 is provided with a plurality of spouts 531. The long-strip-shaped water spraying pipe consisting of a plurality of small holes changes the mixture of water, soil and cement into a strip-shaped joint surface from a point joint surface, increases the water spraying area and water spraying amount in unit time, accelerates the mixing speed and improves the mixing quality.
Fig. 1 to 6 show an embodiment of the cement stabilized soil mixing method of the present invention, which is performed by the above cement stabilized soil mixing system, comprising the steps of:
s1: sending the qualified plain soil to a plain soil bin 1;
s2: plain soil is conveyed to a soil crushing device 3 by a plain soil conveying belt 2 for soil crushing;
s3: the crushed soil and the cement in the cement bin 4 enter a mixing device 5 for mixing;
s4: the cement stabilized soil is conveyed to a discharge hopper 7 by a mixing conveyer belt 6;
s5: and (3) carrying out quality detection on the cement stabilized soil in the discharge hopper 7, discharging and conveying to a construction site if the detection is qualified, and treating as waste if the detection is unqualified.
By adopting the method, the HDPE board 121 is laid on the inner wall of the plain soil hopper 12, so that the friction resistance between the plain soil and the inner wall of the plain soil hopper 12, particularly between the four corners of the plain soil hopper 12 and the soil, is effectively reduced, and the soil can be prevented from being adhered to the inner wall of the plain soil hopper 12; the vibrator 13 is also arranged on the outer wall of the plain soil hopper 12, so that the plain soil attached to the inner wall is peeled off from the inner wall of the storage bin under the action of external force vibration, the downward sliding of the soil can be accelerated, and the condition of blocking the plain soil hopper 12 is reduced; the soil crushing device 3 is arranged in front of the mixing device 5 and used for quickly crushing agglomerated and lumpy plain soil, so that the quality of cement stabilized soil mixture is ensured, the soil breaking effect is good, and the efficiency is high; it has convenient operation and low cost.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (7)
1. A cement stabilized soil mixing system is characterized in that: the device comprises a plain soil bin (1), a plain soil conveying belt (2), a soil crushing device (3), a mixing device (5), a mixing conveying belt (6) and a discharge hopper (7) which are sequentially butted, and further comprises a cement bin (4) butted with the mixing device (5), wherein the plain soil bin (1) comprises a support frame (11) and a plain soil hopper (12) arranged on the support frame (11), a layer of HDPE (high-density polyethylene) plate (121) is laid on the inner wall of the plain soil hopper (12), and a vibrator (13) is further installed on the outer wall of the plain soil hopper (12).
2. The soil cement mixing system according to claim 1, wherein: the soil crushing device (3) comprises a material box (31), a soil crushing device (32) and a discharging screw (33), a feeding hole of the material box (31) is in butt joint with the plain soil conveying belt (2), and a discharging hole of the material box (31) is in butt joint with the mixing device (5).
3. The soil cement mixing system according to claim 2, wherein: the soil crusher (32) comprises a soil crushing rotating shaft (321), a plurality of discs (322), a plurality of fixing rods (323) and a plurality of soil crushing pieces (324), wherein the soil crushing rotating shaft (321) is installed in an inner cavity of the material box (31), the discs (322) are fixedly installed on the soil crushing rotating shaft (321) at uniform intervals, each fixing rod (323) uniformly penetrates through each disc (322) along the circumferential direction of the disc (322), each soil crushing piece (324) is fixedly connected to each fixing rod (323) among the discs (322), and each soil crushing piece (324) in the circumferential direction forms a wheel tooth shape.
4. A soil cement mixing system according to claim 3, wherein: the mixing device (5) comprises a mixing box (51), a mixing shaft (52) and a water spraying pipe (53), wherein the mixing shaft (52) is arranged in the inner cavity of the mixing box (51), and the water spraying pipe (53) is arranged in the mixing box (51) and close to a discharge hole of the mixing box (51).
5. The soil cement mixing system according to claim 4, wherein: the stirring shaft (52) comprises a shaft body (521) and stirring teeth (522), and the stirring teeth (522) are arranged along the shaft body (521) and extend to a position between the water spray pipe (53) and a discharge port of the stirring box (51).
6. The soil cement mixing system according to claim 5, wherein: the water spraying pipe (53) is provided with a plurality of water spraying holes (531).
7. A cement stabilized soil mixing method, which is carried out by the cement stabilized soil mixing system as set forth in any one of claims 1 to 6, comprising the steps of:
s1: sending the qualified plain soil to a plain soil bin (1);
s2: plain soil is conveyed to a soil crushing device (3) by a plain soil conveying belt (2) for soil crushing;
s3: the crushed soil and the cement in the cement bin (4) enter a mixing device (5) to be mixed;
s4: the cement stabilized soil is conveyed to a discharge hopper (7) by a mixing conveyer belt (6);
s5: and (3) carrying out quality detection on the cement stabilized soil in the discharge hopper (7), discharging and conveying to a construction site if the detection is qualified, and treating as waste if the detection is unqualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413275.3A CN111673914A (en) | 2020-05-15 | 2020-05-15 | Cement stabilized soil mixing system and mixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413275.3A CN111673914A (en) | 2020-05-15 | 2020-05-15 | Cement stabilized soil mixing system and mixing method |
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| Publication Number | Publication Date |
|---|---|
| CN111673914A true CN111673914A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010413275.3A Pending CN111673914A (en) | 2020-05-15 | 2020-05-15 | Cement stabilized soil mixing system and mixing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172759A (en) * | 2021-04-25 | 2021-07-27 | 四川统揽建设集团有限公司 | Cement stabilized soil mixing system and mixing method |
| CN115382454A (en) * | 2021-05-21 | 2022-11-25 | 中南安全环境技术研究院股份有限公司 | Phosphogypsum composite stable base material mixing station |
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| CN210046876U (en) * | 2019-01-29 | 2020-02-11 | 郑州市恒源建筑设备制造有限公司 | Stabilized soil mixing station |
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2020
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| JPH03262605A (en) * | 1990-03-13 | 1991-11-22 | Ohbayashi Corp | Manufacture and device for artificial ground material |
| CN1626327A (en) * | 2003-12-11 | 2005-06-15 | 关岐生 | Blender for stabilized soil of cement |
| CN203508142U (en) * | 2013-10-14 | 2014-04-02 | 高密市广发机械工贸有限公司 | Cutter component for flexible material crushing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172759A (en) * | 2021-04-25 | 2021-07-27 | 四川统揽建设集团有限公司 | Cement stabilized soil mixing system and mixing method |
| CN113172759B (en) * | 2021-04-25 | 2022-09-16 | 四川统揽建设集团有限公司 | Cement stabilized soil mixing system and mixing method |
| CN115382454A (en) * | 2021-05-21 | 2022-11-25 | 中南安全环境技术研究院股份有限公司 | Phosphogypsum composite stable base material mixing station |
| CN115382454B (en) * | 2021-05-21 | 2023-12-26 | 中南安全环境技术研究院股份有限公司 | Phosphogypsum composite stable base material mixing station |
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