CN114102829A - Ecological material injection process for grouped vertical-die multi-pump cluster - Google Patents
Ecological material injection process for grouped vertical-die multi-pump cluster Download PDFInfo
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- CN114102829A CN114102829A CN202111420355.2A CN202111420355A CN114102829A CN 114102829 A CN114102829 A CN 114102829A CN 202111420355 A CN202111420355 A CN 202111420355A CN 114102829 A CN114102829 A CN 114102829A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0081—Process control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses an ecological material injection process for a group vertical mold multi-pump cluster, and relates to the technical field of production and pouring of concrete prefabricated parts. The material injection process comprises the following steps: A. connecting grouting equipment; B. homogenizing the stub bars; C. switching to a material injection station; D. synchronously and uniformly injecting materials; E. switching to a material refining station; F. a new injection cycle; G. and (5) automatically cleaning and purifying. The invention realizes the leap of the material injection process from single-point, manual and intermittent operation to automatic program control operation, can realize homogenization treatment of a material head and a material tail and slurry to be injected before material injection, can realize synchronous coordinated material injection of multiple pumps and automatic control material injection in the material injection process, can realize automatic cleaning of pump injection systems such as a conveying pipe, a pump injection machine and the like after material injection, can purify and recycle waste water, and solves the technical problems of discontinuous material injection, uneven material injection, frequent material blockage, troublesome cleaning, waste water pollution and the like in the traditional process.
Description
Technical Field
The invention belongs to the technical field of concrete prefabricated part production pouring, and particularly relates to an ecological material injection process for a group vertical mold multi-pump cluster.
Background
The concrete prefabricated member represented by the concrete prefabricated wall panel has become one of main members in modern multi-storey or high-rise buildings, and the occurrence of the concrete prefabricated wall panel greatly improves the building efficiency of the multi-storey or high-rise buildings. In the industrial production process of the concrete prefabricated wall panel, how to smoothly pour the grouped vertical mold groups which sequentially run along the production line is always a technical bottleneck in the industry — a common material injection system comprises a receiving hopper arranged right below an outlet of a stirring machine, a pump injection machine and a material conveying pipe communicated between the pump injection machine and a feeding port of a grouped vertical mold cavity, and the traditional material injection process is as follows: the receiving hopper receives the material, the pump injection machine pressurizes, high-pressure pumping along the conveying pipeline. The following defects of the traditional material injection process are found in the actual production process: 1. each group of vertical molds is provided with a plurality of forming mold cavities, slurry is poured into each forming mold cavity in sequence by using a single pump in the traditional material pouring process, and because each forming mold cavity is asynchronous in pouring, the stress of a partition plate positioned between every two adjacent mold cavities is uneven, and the quality and the appearance of a formed wallboard are directly influenced once the partition plate deforms; 2. because of the limitation of the volume of the receiving hopper, one material injection cycle often cannot meet the material injection requirements of a plurality of die cavities of the same group vertical die and needs multiple material injection cycles, so that a material head and a material tail exist in each material injection cycle, and the viscosity of the material head and the material tail is far different from that of intermediate slurry in pumped concrete slurry, so that the forming quality of the wallboard is greatly influenced when the material head and the material tail are injected into a forming die cavity, and the material head and the material tail are more serious, and a material conveying pipe is very easily blocked to influence the smooth operation of material injection; 3. once the feed delivery pipe is blocked, a large amount of clear water is needed to wash the feed delivery pipe in time, the length of the feed delivery pipe is more than ten meters, the weight of the feed delivery pipe is about 30-40 Kg, two or three persons are needed to move, time and labor are wasted, the operation trouble is great, and the waste water for washing a large amount of slurry is not discharged so much as to pollute a work place frequently; 4. in addition, in order to prevent the concrete from solidifying and blocking the conveying pipe before a rest in the noon or before work at night, the conveying pipe also needs to be flushed by a large amount of clean water in time, and the method is water-consuming, material-consuming, time-consuming and labor-consuming. Therefore, the sequential pump injection process of the single injection machine at present needs to be improved urgently, and a group vertical mold multi-pump cluster ecological injection process which can realize synchronous, uniform and continuous injection of multiple pumps, is free of blockage, less in cleaning and free of pollution is designed.
Disclosure of Invention
The invention aims to provide a group standing mould multi-pump cluster ecological material injection process aiming at the defects of the prior art. The invention realizes the leap from single-point, manual and intermittent operation to automatic program control operation in the material injection process, can realize homogenization treatment of a material head and a material tail and slurry to be injected before material injection, can realize synchronous coordinated material injection of multiple pumps and automatic control material injection in the material injection process, can realize automatic cleaning of pump injection systems such as a conveying pipe, a pump injection machine and the like after material injection, can purify and recycle waste water, and solves the technical problems of discontinuous material injection, uneven material injection, frequent material blockage, troublesome cleaning, waste water pollution and the like in the traditional process, thereby realizing smooth pouring, high-efficiency pouring and high-quality pouring of the vertical mold groups which sequentially operate in a production line.
The object of the invention can be achieved by the following technical measures:
the invention relates to an ecological material injection process for a group standing mould multi-pump cluster, which comprises the following steps:
A. connecting grouting equipment: arranging a plurality of identical pump injection machines below the concentrated distributing groove in parallel, enabling the inlet end of each pump injection machine to be communicated with a corresponding blanking port in the concentrated distributing groove, and respectively moving a conveying pipe, the input end of which is connected with the outlet end of the corresponding pump injection machine and the output end of which is provided with a quick connector, to a material homogenizing station right above the corresponding blanking port in the concentrated distributing groove;
B. homogenizing a stub bar: opening a discharge valve of an external mixer, and enabling the concrete slurry to fall into a centralized distributing groove and then to be evenly distributed into a pump injection machine corresponding to the lower part through a plurality of blanking ports arranged side by side at intervals; synchronously starting all the pump injection machines through a centralized control system to pressurize pump materials, conveying the material heads of concrete slurry to respective corresponding material homogenizing stations along respective conveying pipes, re-injecting the material heads of the concrete slurry into the centralized material distributing groove, mixing the material heads of the concrete slurry with the uniform slurry in the middle section of the centralized material distributing groove, re-pumping the mixture after pressurization, and circulating the mixture in the centralized material distributing groove and the conveying pipes for several times to form homogenized slurry; at the moment, closing a discharge valve of an external stirrer and pausing a pumping switch of the pumping machine;
C. and (4) switching to a material injection station: starting a horizontal transmission mechanism in the station switching device, driving the output ends of all the conveying pipes to horizontally move from the material refining station to positions right above the material injecting stations at which the material injecting ports of the respective corresponding molding die cavities are located in the grouped vertical dies in the pouring area, and then vertically falling under the driving action of the respective corresponding cylinders in the station switching device until the quick-connection joints are tightly buckled with the material injecting ports of the corresponding material injecting stations;
D. synchronous and uniform material injection: restarting a pumping switch of each pump injector, pressurizing the concrete slurry after homogenization treatment, and pumping the concrete slurry into corresponding molding die cavities along respective conveying pipes; when the concrete slurry is filled in the corresponding molding die cavity, the concrete slurry is sensed by a sensor which is arranged at the upper opening of the molding die cavity and is arranged in a riser at the opposite end of the filling opening, the sensor sends a filling signal to the centralized control system, and the centralized control system sends an operation stopping instruction to a pumping switch of the corresponding pump filling machine;
E. and (4) switching to a refining station: after the material injection is finished, controlling the air cylinder to return to drive the output end of the material conveying pipe to ascend; then starting a horizontal transmission mechanism to drive the output end of the material conveying pipe to horizontally move to a material homogenizing station;
F. a new injection cycle: repeating the step B, C, D, E to complete a new round of concrete slurry injection cycle;
G. automatic cleaning and purifying: closing a discharge valve of an external stirrer before a worker needs to leave work after filling; the output ends of all the conveying pipes are controlled by a centralized control system to simultaneously move to respective corresponding sewage disposal stations, the inlets of the sewage disposal stations are water collecting tanks which are arranged between the pump injection machine and the grouped vertical molds and the bottoms of which are communicated with the wastewater purification tank; open the high pressure flushing valve who is located concentrated branch silo top through centralized control system, high-pressure clear water is along concentrated branch silo, pump injection machine, conveying pipeline impact along the residual ground paste on the way in proper order to discharge the waste water that contains the residual ground paste in area to the water catch bowl, and then flow into waste water purification pond and deposit and filter, carry out cyclic reciprocating utilization after quality of water becomes clear.
The blanking port, the pump injection machine, the conveying pipe, the horizontal transmission mechanism, the air cylinder, the forming die cavity, the injection port, the riser, the material homogenizing station, the material injection station and the sewage discharge station are equal in number (a single part can be assembled into a set of independent pump injection unit), so that the multi-pump cluster ecological injection system formed by one centralized distributing groove and a plurality of sets of independent pump injection units arranged side by side is uniformly controlled by the centralized control system to simultaneously, synchronously, uniformly and continuously inject materials into each forming die cavity in the same group of vertical dies at the same time under the same pressure, the deformation of the partition plate can be effectively avoided, and the accuracy and the stability of the forming die cavity are ensured).
The design principle of the invention is as follows:
the invention realizes the leap from single-point, manual and intermittent operation to automatic program control operation in the material injection process, namely, the homogenization treatment of the stub bar and the tail of the slurry to be injected can be realized before the material injection, the synchronous coordinated material injection and the automatic control material injection of a plurality of pumps can be realized in the material injection process, the automatic cleaning of a material conveying pipe, a pump injection machine and other pump injection systems can be realized after the material injection, and the purification treatment and the recycling of the waste water can be realized. More specifically, the invention uniformly controls a multi-pump cluster ecological material injection system consisting of a plurality of identical pump injection machines, a plurality of matched material conveying pipes, a centralized material distribution groove and a station switching device to synchronously, uniformly and continuously inject materials through a centralized control system, not only greatly improves the pump injection efficiency, but also can realize synchronous, uniform and continuous material injection of all molding die cavities in the same cluster vertical die, so that the stress of the partition board between every two adjacent die cavities is uniform, the partition board can be effectively prevented from deforming, the accuracy and the stability of the forming die cavity are ensured, and then guarantee that high quality and pleasing to the eye prefabricated wallboard of shaping goes out, has solved the technical bottleneck problems such as the notes material is discontinuous, notes material is inhomogeneous that exist among the traditional notes material technology, guarantees that the high efficiency of the group formwork erection group of moving in proper order can be pour and high quality is pour in the production line. For each independent pump injection unit, three stations, namely a material homogenizing station, a material injection station and a sewage discharge station, are designed to be in butt joint with a quick-connection joint at the output end of a conveying pipe, and after the quick-connection joint at the output end of the conveying pipe moves to the material homogenizing station, homogenization treatment of a material head and a material tail and slurry to be injected can be realized before material injection; after the quick connector at the output end of the conveying pipe moves to the material injection station and is butted and fastened to the material injection port, multi-pump synchronous coordinated material injection and automatic control material injection can be realized in the material injection process; after the quick connector at the output end of the conveying pipe moves to a sewage discharge station, automatic cleaning of a pumping system such as the conveying pipe and a pumping machine can be realized after material injection or during operation, and waste water is purified and recycled by utilizing precipitation and filtration of a waste water purification tank; therefore, the invention can realize no blockage, less cleaning and no pollution, solves the technical bottleneck problems of frequent material blockage, troublesome cleaning, wastewater pollution and the like in the traditional material injection process, and ensures that the grouped vertical mold groups which sequentially run in the production line can realize smooth pouring and high-efficiency pouring.
The invention has the following beneficial technical effects:
the invention realizes the leap from single-point, manual and intermittent operation to automatic program control operation in the material injection process, can realize homogenization treatment of a material head and a material tail and slurry to be injected before material injection, can realize synchronous coordinated material injection of multiple pumps and automatic control material injection in the material injection process, can realize automatic cleaning of pump injection systems such as a conveying pipe, a pump injection machine and the like after material injection, can purify and recycle waste water, and solves the technical problems of discontinuous material injection, uneven material injection, frequent material blockage, troublesome cleaning, waste water pollution and the like in the traditional process, thereby realizing smooth pouring, high-efficiency pouring and high-quality pouring of the vertical mold groups which sequentially operate in a production line.
Drawings
FIG. 1 is a schematic view of the process layout of the injection system composed of devices according to the present invention.
Fig. 2 is a cross-sectional view of M-M in fig. 1.
Fig. 3 is a cross-sectional view N-N of fig. 1.
Fig. 4 is a cross-sectional view taken at P-P in fig. 1.
Part number in the figures illustrates: 1. the device comprises a centralized distributing groove, 1-1 parts of blanking ports, 2 parts of pump injection machines, 3 parts of conveying pipes, 4 parts of quick connectors, 5 parts of station switching devices, 5-1 parts of horizontal transmission mechanisms, 5-2 parts of cylinders, 6 parts of grouped vertical dies, 6-1 parts of forming die cavities, 6-2 parts of injection ports, 6-3 parts of risers, 7 parts of inductors, 8 parts of centralized control systems, 9 parts of water collecting grooves, 10 parts of wastewater purifying tanks, 11 parts of external stirring machines, A ', a material homogenizing station, B ', a material injecting station and C ', a sewage discharging station.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1 to 4, the ecological material injection process of the grouped vertical mold multi-pump cluster of the invention comprises the following steps:
A. connecting grouting equipment: arranging a plurality of identical pump injection machines 2 below a centralized distributing groove 1 side by side, enabling the inlet end of each pump injection machine to be communicated with a corresponding blanking port 1-1 in the centralized distributing groove, and respectively moving a material conveying pipe 3, the input end of which is connected with the outlet end of the corresponding pump injection machine 2 and the output end of which is provided with a quick connector 4, to a material homogenizing station A' right above the corresponding blanking port 1-1 in the centralized distributing groove;
B. homogenizing a stub bar: opening a discharge valve of an external mixer 11, and enabling the concrete slurry to fall into a centralized distributing groove 1 and then to be evenly distributed into a corresponding pump injector 2 below through a plurality of blanking ports 1-1 which are arranged side by side at intervals; synchronously starting all the pump injection machines 2 through a centralized control system 8 to pressurize and pump materials simultaneously, conveying the stub bars of concrete slurry to the corresponding material homogenizing stations A' along respective conveying pipes 3, reinjecting the concrete slurry to the centralized distributing groove 1 again, mixing the stub bars of the concrete slurry with uniform slurry which subsequently falls into the middle section of the centralized distributing groove 1, pumping again after pressurization, and circulating for a plurality of times to and fro to form uniform slurry by the concrete slurry in the centralized distributing groove 1 and the conveying pipes 3; at this time, the discharge valve of the external mixer 11 is closed, and the pumping switch of the pumping machine 2 is suspended;
C. and (4) switching to a material injection station: starting a horizontal transmission mechanism 5-1 in a station switching device 5, driving the output ends of all material conveying pipes 3 to horizontally move from a material homogenizing station A ' to the position right above a material injection station B ' where a material injection port 6-2 of a forming die cavity 6-1 in a group of vertical dies 6 in a pouring area respectively corresponds to, and then vertically falling under the driving action of a cylinder 5-2 corresponding to each station switching device 5 until a quick-connection joint 4 is tightly buckled with the material injection port 6-2 of the corresponding material injection station B ';
D. synchronous and uniform material injection: restarting a pumping switch of each pump injector 2, pressurizing the concrete slurry after homogenization treatment, and pumping the concrete slurry into the corresponding molding die cavity 6-1 along the respective delivery pipes 3; when the concrete slurry is filled in the corresponding molding die cavity 6-1, the concrete slurry is sensed by an inductor 7 arranged at the upper opening of the molding die cavity 6-1 and positioned in a riser 6-3 at the opposite end of the filling opening, the inductor 7 sends a filling signal to a centralized control system 8, and the centralized control system 8 sends an operation stopping instruction to a pumping switch of the corresponding pump injection machine 2;
E. and (4) switching to a refining station: after the material injection is finished, controlling the air cylinder 5-2 to return to drive the output end of the material conveying pipe 3 to ascend; then starting a horizontal transmission mechanism 5-1 to drive the output end of the material conveying pipe 3 to horizontally move to a material homogenizing station A';
F. a new injection cycle: repeating the step B, C, D, E to complete a new round of concrete slurry injection cycle;
G. automatic cleaning and purifying: when the worker finishes the material injection and needs to leave work, the discharge valve of the external stirrer 11 is closed; the output ends of all the material conveying pipes 3 are controlled by the centralized control system 8 to simultaneously move to the corresponding sewage disposal stations C ', the inlet of the sewage disposal station C ' is arranged between the pump injection machine 2 and the grouped vertical molds 6, and the bottom of the sewage disposal station C ' is communicated with a water collecting tank 9 of a waste water purifying pool 10; open the high pressure flushing valve who is located concentrated branch silo 1 top through centralized control system 8, high-pressure clear water is along concentrated branch silo 1, pump injection machine 2, conveying pipeline 3 impact along the residual ground paste on the way in proper order to discharge the waste water that contains the residual ground paste in area to water catch bowl 9, and then flow into waste water purification tank 10 and deposit and filter, the water quality carries out cyclic reciprocating utilization after becoming clear.
The invention discloses a multi-pump cluster ecological injection molding machine, which comprises a blanking port 1-1, a pump injection machine 2, a conveying pipe 3, a horizontal transmission mechanism 5-1, a cylinder 5-2, a molding die cavity 6-1, an injection port 6-2, a riser 6-3, a refining station A ', an injection station B ' and a blowdown station C ', wherein the number of the parts is equal (a single part can be assembled into a set of independent pump injection units), so that the multi-pump cluster ecological injection molding system formed by the centralized distributing groove 1 and a plurality of sets of independent pump injection units arranged side by side is uniformly controlled by a centralized control system 8 to simultaneously, synchronously, uniformly and continuously inject materials into each molding die cavity in the same cluster vertical die at the same time, synchronously and uniformly and continuously, a partition plate can be effectively prevented from deforming, and the accuracy and stability of the molding die cavities are ensured.
Claims (2)
1. A group standing mould multi-pump cluster ecological material injection process is characterized in that: the material injection process comprises the following steps:
A. connecting grouting equipment: arranging a plurality of identical pump injection machines (2) below a concentrated distributing groove (1) side by side, enabling the inlet end of each pump injection machine to be communicated with a corresponding blanking port (1-1) in the concentrated distributing groove, and respectively displacing a material conveying pipe (3) with the input end connected with the outlet end of the corresponding pump injection machine (2) and the output end provided with a quick connector (4) to a material homogenizing station (A') right above the corresponding blanking port (1-1) in the concentrated distributing groove;
B. homogenizing a stub bar: opening a discharge valve of an external mixer (11), and enabling the concrete slurry to fall into a centralized distributing groove (1) and then to be evenly distributed into a corresponding pump injection machine (2) below through a plurality of discharging openings (1-1) which are arranged side by side at intervals; synchronously starting all the pump injection machines (2) through a centralized control system (8) to pressurize pump materials simultaneously, conveying the stub bars of concrete slurry to the corresponding refining stations (A') along respective conveying pipes (3) and re-injecting the concrete slurry into the centralized distributing groove (1), mixing the stub bars of the concrete slurry with the uniform slurry which subsequently falls into the middle section of the centralized distributing groove (1), pumping the mixture again after pressurization, and circulating the mixture slurry in the centralized distributing groove (1) and the conveying pipes (3) back and forth for several times to form the homogenized slurry; at the moment, a discharge valve of the external stirrer (11) is closed, and a pumping switch of the pumping machine (2) is suspended;
C. and (4) switching to a material injection station: starting a horizontal transmission mechanism (5-1) in a station switching device (5), driving output ends of all material conveying pipes (3) to horizontally move from a material refining station (A ') to a position right above a material injection station (B ') where a material injection port (6-2) of a forming die cavity (6-1) in a group of vertical dies (6) in a pouring area respectively is located, and then vertically falling under the driving action of a cylinder (5-2) corresponding to each vertical die cavity in the station switching device (5) until a quick-connection joint (4) is tightly buckled with the material injection port (6-2) of the corresponding material injection station (B ');
D. synchronous and uniform material injection: then restarting a pumping switch of each pump injector (2), pressurizing the concrete slurry after homogenization treatment, and pumping the concrete slurry into a corresponding molding die cavity (6-1) along respective delivery pipes (3); when the concrete slurry is filled in the corresponding molding die cavity (6-1), the concrete slurry is sensed by a sensor (7) which is arranged at the upper opening of the molding die cavity (6-1) and is arranged in a riser (6-3) at the opposite end of the filling opening, the sensor (7) sends a filling signal to a centralized control system (8), and the centralized control system (8) sends an operation stopping instruction to a pumping switch of the corresponding pump injection machine (2);
E. and (4) switching to a refining station: after the material injection is finished, the air cylinder (5-2) is controlled to return to drive the output end of the material conveying pipe (3) to ascend; then starting a horizontal transmission mechanism (5-1) to drive the output end of the material conveying pipe (3) to horizontally move to a material homogenizing station (A');
F. a new injection cycle: repeating the step B, C, D, E to complete a new round of concrete slurry injection cycle;
G. automatic cleaning and purifying: when the worker finishes the material injection and needs to leave work, the discharge valve of the external stirrer (11) is closed; the output ends of all the material conveying pipes (3) are controlled by a centralized control system (8) to simultaneously move to the corresponding sewage disposal stations (C '), the inlets of the sewage disposal stations (C ') are arranged between the pump injection machine (2) and the grouped vertical molds (6), and the bottoms of the sewage disposal stations (C ') are communicated with a water collecting tank (9) of a waste water purifying pool (10); open the high pressure flushing valve who is located concentrated branch silo (1) top through centralized control system (8), high-pressure clear water is along concentrated branch silo (1), pump injection machine (2), conveying pipeline (3) impact along the journey residual slurry in proper order to discharge the waste water that contains the residual slurry in area to water catch bowl (9), and then flow into waste water purification pond (10) and deposit and filter, carry out the cyclic and reciprocal utilization after quality of water becomes clear.
2. The group standing mould multi-pump cluster ecological material injection process according to claim 1, characterized in that: the number of the blanking port (1-1), the pump injection machine (2), the conveying pipe (3), the horizontal transmission mechanism (5-1), the cylinder (5-2), the molding die cavity (6-1), the injection port (6-2), the riser (6-3), the refining station (A '), the injection station (B ') and the pollution discharge station (C ') is equal.
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| CN109092103A (en) * | 2018-10-19 | 2018-12-28 | 无锡市曼优丽新型复合材料有限公司 | A kind of surface treating machine autoamtic even distributor |
| CN209567983U (en) * | 2019-01-15 | 2019-11-01 | 遵义市首创玻璃有限责任公司 | A kind of glassware supply channel control system |
| CN109693307A (en) * | 2019-02-27 | 2019-04-30 | 王海峰 | The automatic producing technology of assembled building block |
| CN211250534U (en) * | 2019-11-19 | 2020-08-14 | 济宁晨曦新型墙体材料有限公司 | Prefabricated staircase of assembled pours shaping apparatus for producing |
| CN213113270U (en) * | 2020-08-21 | 2021-05-04 | 山河醋业有限公司 | Saccharification tank |
| CN112727098A (en) * | 2020-12-15 | 2021-04-30 | 中铁隧道集团二处有限公司 | Concrete distributing and pipeline cleaning method |
| CN113580356A (en) * | 2021-08-06 | 2021-11-02 | 辽宁第一交通工程监理有限公司 | Cement concrete prefabricated part processing equipment and processing method |
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