CN206254326U - Air-entrained concrete building block compound stirring system - Google Patents
Air-entrained concrete building block compound stirring system Download PDFInfo
- Publication number
- CN206254326U CN206254326U CN201621184057.2U CN201621184057U CN206254326U CN 206254326 U CN206254326 U CN 206254326U CN 201621184057 U CN201621184057 U CN 201621184057U CN 206254326 U CN206254326 U CN 206254326U
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- tank
- foaming agent
- building block
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- mixing
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Abstract
The utility model discloses a kind of air-entrained concrete building block compound stirring system, including material-compound tank, material-compound tank top is connected to siccative premixing system and wet feed premixing system, siccative premixing system includes pressure and weighting device, the pressure and weighting device is provided with mixing tank, pipeline is connected with lime storage tank and cement storage pot respectively at the top of the mixing tank, and the bottom of the mixing tank is connected with the top pipeline of material-compound tank；Wet feed premixing system includes foaming agent mixing device and foaming agent flusher, and foaming agent flusher is located in material-compound tank, and foaming agent mixing device is located at outside material-compound tank, pipeline connection between foaming agent mixing device and foaming agent flusher.Compared with prior art, using each quality of material and ratio of program energy precise control air-entrained concrete building block, eliminate in feed proportioning system foaming agent and concrete slurry mixing is uneven causes, to air-entrained concrete building block inside sealed porosity skewness, to make the quality of air-entrained concrete building block finished product be guaranteed.
Description
Technical field
The utility model is related to produce the production equipment of air-entrained concrete building block, more particularly to a kind of air-entrained concrete building block
Compound stirring system.
Background technology
Air-entrained concrete building block be a kind of light weight, intensity high, heat-insulation and heat-preservation, heat-proof combustion-resistant, low-carbon environment-friendly, sound absorption every
The strong porous New Building Materials of sound, impermeabilisation, shock resistance, good properties are widely used in building trade.Air entrained concrete
The main material selection of building block is lime and cement, in addition also can select river sand, flyash, ore in sand form, industrial waste, slag
With building waste etc., refuse reclamation can be realized, product has the advantages that energy-conserving and environment-protective.In the production of air-entrained concrete building block
In, it is necessary to the material of various powderies is proportionally added into material-compound tank, then the mixing that added water in material-compound tank, dispensing is passed through after completing
Cross base, cutting, steam pressure operation and finally give air-entrained concrete building block finished product.
The defect of prior art：Producing high-quality air-entrained concrete building block needs to be accurately controlled the ratio of each material,
Traditional, the feed arrangement of each material is rigidly connected with compound premixing device, and compound can occur by force in whipping process
Strong vibrations, on the one hand, can make feed arrangement that strong vibrations also occur, shorten the service life of feed arrangement, the opposing party
Face interference feed arrangement operation, reduces its precision；Current air-entrained concrete building block production technology takes steam pressurized or addition hair
Infusion aluminium powder aerating, autoclave aerated concrete building block water absorption rate is big, intensity decreases after water suction, and heat insulating ability is deteriorated, therefore can not use
Soaked for a long time in building or often by the position of alternation of wetting and drying.Foaming agent air-entrained concrete building block is with siliceous material and calcareous
Material is main material, plus foaming agent aluminium powder, the light porous silicon being made up of techniques such as dispensing, stirring, cast, cutting, steam pressures
Hydrochlorate product, but because in foaming agent and concrete mixed process, mixing uniformity is uncontrollable, cause foaming agent aerating to mix
Coagulate the durability of soil, crack resistance and frost resistance index and all do not reach national standard, it is poor to show as durability of product, is also easy to produce and splits
Seam, service life is short.
Utility model content
To solve above technical problem, the utility model provides a kind of air-entrained concrete building block compound stirring system, with
Solution accurately controls the charge proportion of each material, improves charging precision, prevents compound from occurring in whipping process again strong
Vibrations cause the service life of feed arrangement to shorten, and foaming agent uniformly mixes with concrete, so as to improve air entrained concrete
The problems such as building block durability, crack resistance, frost resistance are not enough.
The technical solution adopted in the utility model is as follows：A kind of air-entrained concrete building block compound stirring system, including match somebody with somebody
Batch can, material-compound tank top is connected to siccative premixing system and wet feed premixing system, it is critical only that：The siccative premix system
System includes pressure and weighting device, and the pressure and weighting device is provided with mixing tank, and pipeline is connected with stone respectively at the top of the mixing tank
Grey holding vessel and cement storage pot, the bottom of the mixing tank are connected with the top pipeline of the material-compound tank, are set in the material-compound tank
There is an agitating shaft, the upper end of the agitating shaft is connected with stirring motor, the agitating shaft bottom after passing the top board of the material-compound tank
It is provided with stirring vane；
The wet feed premixing system includes foaming agent mixing device and foaming agent flusher, the foaming agent flusher
In the material-compound tank, the foaming agent mixing device is located at outside the material-compound tank, the foaming agent mixing device and described
Pipeline connection between foaming agent flusher.
The beneficial effect of above scheme is the siccative premix system during each material enters mixing tank by pipeline respectively
System can automatically be weighed each material entered in mixing tank by pressure and weighting device, so as to accurately control the addition of each material
Amount, and then the charge proportion of each material is adjusted, wet feed premixing system in advance can be sufficiently mixed uniformly water and foaming agent,
Then sprayed in material-compound tank by foaming agent flusher, foaming agent is uniformly mixed with the slurry in material-compound tank
Close, so that when foaming agent produces gas under alkalescence condition reaction, the sealed porosity for promoting concrete slurry expansion to produce can be
The distribution of air-entrained concrete building block inner homogeneous ground.
Preferably, the pressure and weighting device is included around the horizontally disposed sensor support frame of the mixing tank, the biography
Just to being provided with pressure sensor, the upper and lower surface point of the pressure sensor between the cover plate of sensor support frame and the mixing tank
Cover plate not with the sensor support frame and the mixing tank is pushed against, and support is connected with below the sensor support frame
Leg.
The effect of the program is that mixing tank is by weight transfer to pressure sensing during each material enters mixing tank
Device, makes the Impact direction of pressure sensor for longitudinal stress, improves the susceptibility of pressure sensor, addition to each material and
The charge proportion of each material carries out precise control.
Preferably, the top pipeline of the mixing tank is connected with waste storage tank, and the waste storage tank is stored up with the lime
Deposit tank and cement storage pot is evenly distributed on the top of the mixing tank, three pieces of dividing plates, three pieces of institutes are longitudinally provided with the mixing tank
The inside edge for stating dividing plate is connected with each other, and the inwall of three pieces of outer ledges of the dividing plate respectively with the mixing tank is connected, and three
The mixing tank is divided into three feed separation areas by dividing plate described in block, three feed separation areas respectively with waste storage
Tank, lime storage tank and cement storage pot pipeline communication, the batch mixing pot bottom are provided with discharging opening, three feed separation areas
Bottom connected with the discharging opening respectively.
The effect of the program is that the effect of the program is after each material enters mixing tank, to respectively enter different feed separations
Area, then mixes in discharge outlet, is discharged by discharging opening, it is possible to achieve the control of each material mixed proportion and feedstock quality.
Preferably, the bottom of the mixing tank is tapered, and discharging is connected with vertically between the discharging opening and the material-compound tank
Pipe, inclines on the side wall of the discharge nozzle and is connected with airduct, and the air outlet of the airduct is downward-sloping.
The effect of the program is to facilitate the material in mixing tank to be mixed into discharge nozzle, and duct ventilation can prevent from mixing
Close material to be piled up in discharge nozzle, and promote compound to be sufficiently mixed.
Preferably, the foaming agent mixing device includes water pipe and foaming agent pipe, the water side of the water pipe and the hair
The port of export of infusion pipe connects same material mixing tube, the port of export of the material mixing tube and the foaming agent flusher
Connection.
The effect of the program is that foaming agent and water access same material mixing tube by different pipelines, both can be respectively
The addition of control foaming agent and water, can be mixed both again.
Preferably, the foaming agent flusher includes annular conduit, the outer wall of the annular conduit and the top board following table
Face is fixedly connected, and the water inlet end of the annular conduit is connected with the port of export of the material mixing tube, the lower section of the annular conduit
Water knockout drum is provided with, the water knockout drum is fixed and is set on the agitating shaft.
The effect of the program is that foaming agent can uniformly be sprayed at mixed in material-compound tank via annular conduit and water knockout drum
On solidifying earth material slurry, so as to be sufficiently mixed with concrete slurry.
Preferably, the water knockout drum is round table-like, and the round platform is up-small and down-big, and the center of circle of bottom surface is located at difference on the round platform
On axis, the agitating shaft wears the upper bottom surface of the round platform vertically, and multiple delivery ports are uniformly provided with the annular conduit.
The effect of the program is that water knockout drum is rotated as agitating shaft is rotated, and using centrifugal action, will be flowed out from delivery port
Foaming agent, be sprayed at each corner of material-compound tank.
Preferably, the water inlet end of the water pipe is connected with water pump, and flowmeter, the foaming agent pipe are connected with the water pipe
Arrival end be connected with dosing pump.
The effect of the program can be the addition and flow velocity for being accurately controlled foaming agent and water.
Preferably, the inwall of the material mixing tube is provided with flight, and the flight is located at the port of export of the water pipe
With the downstream of the port of export of foaming agent pipe.
The effect of the program can be more fully to be mixed foaming agent and water.
Preferably, the axial line of the agitating shaft overlaps with the center line of the material-compound tank, the center of the annular conduit
On the axial line of the agitating shaft.
The effect of the program is that stirring motor drives agitating shaft rotation, makes stirring vane that raw material is well mixed and makes hair
Infusion sprays evenly.
Beneficial effect：Compared with prior art, the air-entrained concrete building block compound stirring system that the utility model is provided
Each quality of material and ratio to air-entrained concrete building block have made strict limitation respectively, while having carried out essence to production process
Really control, eliminates foaming agent and concrete slurry mixing in feed proportioning system uneven and air-entrained concrete building block inside is closed
The influence that stomata is evenly distributed, makes the quality of air-entrained concrete building block finished product be guaranteed, so as to improve air entrained concrete
Building block durability, crack resistance, frost resistance, realize that air-entrained concrete building block quality is high, breakage rate is low, reached " high-yield and high-efficiency,
The target of high quality and low cost ".
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of mixing tank 1 in Fig. 1；
Fig. 3 is the top view of mixing tank 1 in Fig. 1；
Fig. 4 is the structural representation of foaming agent mixing device 61 in Fig. 1；
Fig. 5 is the structural representation of water knockout drum 62b in Fig. 1.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art be better understood from the technical solution of the utility model
Mode is applied to elaborate the utility model.
As Figure 1-5, a kind of air-entrained concrete building block compound stirring system, including material-compound tank 4, the material-compound tank 4 is pushed up
Portion is connected to siccative premixing system and wet feed premixing system, and the siccative premixing system includes pressure and weighting device 5, described
Pressure and weighting device 5 is included around the horizontally disposed sensor support frame 51 of the mixing tank 1, the sensor support frame 51 and institute
State between the cover plate of mixing tank 1 just to being provided with pressure sensor 52, the upper and lower surface of the pressure sensor 52 respectively with it is described
The cover plate of sensor support frame 51 and the mixing tank 1 is pushed against, and the lower section of the sensor support frame 51 is connected with supporting leg；Should
Pressure and weighting device 5 is provided with mixing tank 1, and pipeline is connected with the storage of lime storage tank 2, cement respectively at the top of the mixing tank 1
Tank 3 and waste storage tank 7, the waste storage tank 7 are evenly distributed on the batch mixing with the lime storage tank 2 and cement storage pot 3
The top of tank 1, the bottom of the mixing tank 1 is connected with the top pipeline of the material-compound tank 4, and agitating shaft is provided with the material-compound tank 4,
The axial line of the agitating shaft overlaps with the center line of the material-compound tank 4, and the upper end of the agitating shaft passes the material-compound tank 4
Stirring motor is connected with after top board 11, the agitating shaft bottom is provided with stirring vane；The wet feed premixing system includes foaming
Agent mixing arrangement 61 and foaming agent flusher 62, the foaming agent flusher 62 are located in the material-compound tank 4, the foaming
Agent mixing arrangement 61 is located at outside the material-compound tank 4, between the foaming agent mixing device 61 and the foaming agent flusher 62
Pipeline is connected；The bottom of the mixing tank 1 is tapered, and discharge nozzle 8 is connected with vertically between the discharging opening and the material-compound tank 4,
Level offers a circle draw-in groove on the inwall of the discharge nozzle 8, and activity is inserted with pull baffle plate 10 in the draw-in groove, the discharge nozzle 8
Side wall on incline be connected with airduct 9, the air outlet of the airduct 9 is downward-sloping.
Fig. 1-3 be can see, and three pieces of dividing plates, three pieces of inside edge phases of the dividing plate are longitudinally provided with the mixing tank 1
Connect, the inwall of three pieces of outer ledges of the dividing plate respectively with the mixing tank 1 is connected, three pieces of dividing plates will be described mixed
Batch can 1 is divided into three feed separation areas, three feed separation areas respectively with waste storage tank 7, lime storage tank 2 and water
The pipeline communication of mud holding vessel 3, the bottom of the mixing tank 1 is provided with discharging opening, three bottoms in the feed separation area respectively with this
Discharging opening is connected.
Shown in Fig. 1 and Fig. 5, the foaming agent flusher 62 includes annular conduit 62a, the annular conduit 62a's
On the axial line of the agitating shaft, the outer wall of annular conduit 62a is fixedly connected with the lower surface of the top board 11, the ring at center
The water inlet end of shape water pipe 62a is connected with the port of export of the material mixing tube 61c, is provided with below the annular conduit 62a point
Hydrophone 62b, the water knockout drum 62b is fixed and is set on the agitating shaft, the water knockout drum 62b be it is round table-like, it is small on the round platform
Lower big, the center of circle of bottom surface is located on not coaxial line on the round platform, and the agitating shaft wears the upper bottom surface of the round platform vertically, institute
State and multiple delivery ports are uniformly provided with annular conduit 62a.
In Fig. 1 and Fig. 4 it can be seen that, the foaming agent mixing device 61 includes water pipe 61a and foaming agent pipe 61b, described
The port of export of the water side of water pipe 61a and the foaming agent pipe 61b connects same material mixing tube 61c, the material mixing
The port of export of pipe 61c is connected with the foaming agent flusher 62, and the water inlet end of the water pipe 61a is connected with water pump 12, described
Flowmeter 15 is connected with water pipe 61a, the arrival end of the foaming agent pipe 61b is connected with dosing pump 13, the material mixing tube
The inwall of 61c is provided with flight 14, and the flight 14 is located at the outlet of the port of export and foaming agent pipe 61b of the water pipe 61a
The downstream at end.
During work, each material in waste storage tank 7, lime storage tank 2 and cement storage pot 3 is entered by pipeline respectively
In three feed separation areas of mixing tank 1, the pressure sensor 52 connects same Weighting and Controlling circuit, the pressure sensing
The induction end of device 52 protrudes upward support frame as described above 51, and is contacted with the lower surface of the cover plate of the mixing tank 1, described to weigh control
Circuit processed includes the filtering and amplifying circuit that be connected with the gravity sensor, the filtering and amplifying circuit by A/D change-over circuits and
The input connection of CPU, the output termination display of the CPU controls each thing by the data of the output termination display of CPU
The quality of material and the proportioning of compound, the compound for then matching will be entered in material-compound tank 4 by discharge nozzle 8, and startup is stirred
Motor is mixed, while by water pump 12 and dosing pump 13, water and foaming agent are pumped into, water and foaming agent are in material mixing tube 61c
Well mixed, foaming agent is entered in material-compound tank 4 by annular conduit 62a, centrifugal action of the partial foaming agent in water knockout drum 62b
Under, each corner of material-compound tank is uniformly sprayed at, while stirring vane mixes foaming agent with concrete slurry stirring, so that real
Existing foaming agent full and uniform distribution in concrete slurry.
Finally it is to be appreciated that foregoing description is only preferred embodiment of the present utility model, those skilled in the art is at this
Under the enlightenment of utility model, on the premise of without prejudice to the utility model objective and claim, as can making multiple types
Represent, such conversion is each fallen within protection domain of the present utility model.
Claims (10)
1. a kind of air-entrained concrete building block compound stirring system, including material-compound tank (4), the material-compound tank (4) top connects respectively
There are siccative premixing system and wet feed premixing system, it is characterised in that：
The siccative premixing system includes pressure and weighting device (5), and the pressure and weighting device (5) is provided with mixing tank (1), and this is mixed
Pipeline is connected with lime storage tank (2) and cement storage pot (3), the bottom of the mixing tank (1) and institute respectively at the top of batch can (1)
The top pipeline connection of material-compound tank (4) is stated, agitating shaft is provided with the material-compound tank (4), the upper end of the agitating shaft passes described
Stirring motor is connected with after the top board (11) of material-compound tank (4), the agitating shaft bottom is provided with stirring vane；
The wet feed premixing system includes foaming agent mixing device (61) and foaming agent flusher (62), the foaming agent sprinkling
Device (62) in the material-compound tank (4), the foaming agent mixing device (61) positioned at the material-compound tank (4) outward, the hair
Pipeline connection between infusion mixing arrangement (61) and the foaming agent flusher (62).
2. air-entrained concrete building block compound stirring system according to claim 1, it is characterised in that：The pressure and weighting
Device (5) including around the mixing tank (1) horizontally disposed sensor support frame (51), the sensor support frame (51) and institute
State between the cover plate of mixing tank (1) just to being provided with pressure sensor (52), the upper and lower surface difference of the pressure sensor (52)
Cover plate with the sensor support frame (51) and the mixing tank (1) is pushed against, and is connected below the sensor support frame (51)
It is connected to supporting leg.
3. air-entrained concrete building block compound stirring system according to claim 1, it is characterised in that：The mixing tank
(1) top pipeline is connected with waste storage tank (7), and the waste storage tank (7) is stored with the lime storage tank (2) and cement
Tank (3) is evenly distributed on the top of the mixing tank (1), and three pieces of dividing plates, three pieces of dividing plates are longitudinally provided with the mixing tank (1)
Inside edge be connected with each other, the inwall of three pieces of outer ledges of the dividing plate respectively with the mixing tank (1) is connected, three pieces of institutes
State dividing plate and the mixing tank (1) be divided into three feed separation areas, three feed separation areas respectively with waste storage tank
(7), lime storage tank (2) and cement storage pot (3) pipeline communication, mixing tank (1) bottom is provided with discharging opening, described in three
The bottom in feed separation area connects with the discharging opening respectively.
4. the air-entrained concrete building block compound stirring system according to any one of claim 3, it is characterised in that：It is described mixed
The bottom of batch can (1) is tapered, and discharge nozzle (8), the discharge nozzle are connected with vertically between the discharging opening and the material-compound tank (4)
(8) inclined on side wall and be connected with airduct (9), the air outlet of the airduct (9) is downward-sloping.
5. air-entrained concrete building block compound stirring system according to claim 4, it is characterised in that：The foaming agent is mixed
Attach together and put (61) and include water pipe (61a) and foaming agent pipe (61b), the water side of the water pipe (61a) and the foaming agent pipe
The port of export of (61b) connects same material mixing tube (61c), the port of export of the material mixing tube (61c) and the foaming
Agent flusher (62) is connected.
6. air-entrained concrete building block compound stirring system according to claim 5, it is characterised in that：The foaming agent spray
Spilling device (62) includes annular conduit (62a), and the outer wall of the annular conduit (62a) is fixed with the top board (11) lower surface and connected
Connect, the water inlet end of the annular conduit (62a) is connected with the port of export of the material mixing tube (61c), the annular conduit (62a)
Lower section be provided with water knockout drum (62b), water knockout drum (62b) fixation is set on the agitating shaft.
7. air-entrained concrete building block compound stirring system according to claim 6, it is characterised in that：The water knockout drum
(62b) is round table-like, and the round platform is up-small and down-big, and the center of circle of bottom surface is located on not coaxial line on the round platform, and the agitating shaft is erected
Direct puncture sets the upper bottom surface of the round platform, and multiple delivery ports are uniformly provided with the annular conduit (62a).
8. air-entrained concrete building block compound stirring system according to claim 5, it is characterised in that：The water pipe
The water inlet end of (61a) is connected with water pump (12), and flowmeter (15), the foaming agent pipe (61b) are connected with the water pipe (61a)
Arrival end be connected with dosing pump (13).
9. the air-entrained concrete building block compound stirring system according to claim any one of 5-8, it is characterised in that：It is described
The inwall of material mixing tube (61c) is provided with flight (14), the flight (14) positioned at the water pipe (61a) the port of export and
The downstream of the port of export of foaming agent pipe (61b).
10. the air-entrained concrete building block compound stirring system according to claim 6 or 7, it is characterised in that：The stirring
The axial line of axle overlaps with the center line of the material-compound tank (4), the axle of the center of the annular conduit (62a) in the agitating shaft
On heart line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184057.2U CN206254326U (en) | 2016-11-03 | 2016-11-03 | Air-entrained concrete building block compound stirring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184057.2U CN206254326U (en) | 2016-11-03 | 2016-11-03 | Air-entrained concrete building block compound stirring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206254326U true CN206254326U (en) | 2017-06-16 |
Family
ID=59024910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621184057.2U Expired - Fee Related CN206254326U (en) | 2016-11-03 | 2016-11-03 | Air-entrained concrete building block compound stirring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206254326U (en) |
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| CN107756629A (en) * | 2017-10-18 | 2018-03-06 | 马多浩 | A kind of pre-mixing apparatus of concrete early strength water-reducing agent mix cement |
| CN108979158A (en) * | 2018-08-29 | 2018-12-11 | 上海康尼建材科技有限公司 | A kind of house energy conservation and environmental protection honeycomb 3D printing device |
| CN109503066A (en) * | 2018-11-19 | 2019-03-22 | 青岛崇置混凝土工程有限公司 | A kind of clear-water concrete and preparation method thereof |
| CN110328754A (en) * | 2019-07-09 | 2019-10-15 | 衡水积土科技有限公司 | A kind of device of intelligent concrete additive formulations |
| CN111359464A (en) * | 2020-03-26 | 2020-07-03 | 魏国峰 | Medical detection kit |
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| CN112621995A (en) * | 2020-09-02 | 2021-04-09 | 温州博旺联科建筑工程有限公司 | Building block forming equipment for industrial waste residues |
| CN113650133A (en) * | 2021-08-28 | 2021-11-16 | 杨涛 | Environment-friendly aerated concrete high-efficiency forming device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107756629A (en) * | 2017-10-18 | 2018-03-06 | 马多浩 | A kind of pre-mixing apparatus of concrete early strength water-reducing agent mix cement |
| CN108979158A (en) * | 2018-08-29 | 2018-12-11 | 上海康尼建材科技有限公司 | A kind of house energy conservation and environmental protection honeycomb 3D printing device |
| CN109503066A (en) * | 2018-11-19 | 2019-03-22 | 青岛崇置混凝土工程有限公司 | A kind of clear-water concrete and preparation method thereof |
| CN109503066B (en) * | 2018-11-19 | 2021-02-02 | 青岛崇置混凝土工程有限公司 | Fair-faced concrete and preparation method thereof |
| CN110328754A (en) * | 2019-07-09 | 2019-10-15 | 衡水积土科技有限公司 | A kind of device of intelligent concrete additive formulations |
| CN110328754B (en) * | 2019-07-09 | 2020-09-11 | 攀枝花市润泽建材有限公司 | Device of intelligence concrete additive batching |
| CN111359464A (en) * | 2020-03-26 | 2020-07-03 | 魏国峰 | Medical detection kit |
| CN112621995A (en) * | 2020-09-02 | 2021-04-09 | 温州博旺联科建筑工程有限公司 | Building block forming equipment for industrial waste residues |
| CN112339203A (en) * | 2020-09-25 | 2021-02-09 | 安徽艾普塑料科技有限公司 | EPS and EPP material dual density forming device |
| CN112339203B (en) * | 2020-09-25 | 2021-11-30 | 安徽艾普塑料科技有限公司 | EPS and EPP material dual density forming device |
| CN113650133A (en) * | 2021-08-28 | 2021-11-16 | 杨涛 | Environment-friendly aerated concrete high-efficiency forming device |
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