CN215506455U

CN215506455U - A additive feeding device for green concrete production

Info

Publication number: CN215506455U
Application number: CN202121699502.XU
Authority: CN
Inventors: 尹章顺; 张永旭; 余炳忠; 柯昌懋; 吴莹
Original assignee: Hubei Chengtao Building Materials Co ltd
Current assignee: Hubei Chengtao Building Materials Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-01-14
Anticipated expiration: 2031-07-24

Abstract

The utility model relates to an additive throws material device for green concrete production especially relates to the field of concrete production, and it is including keeping in the jar, it is provided with the drain pipe to keep in the tank bottoms portion, the tank deck portion of keeping in is provided with inlet pipe and inlet tube, be provided with first flow valve on the inlet pipe, be provided with the second flow valve on the inlet tube, be provided with first shower head on the delivery port of inlet tube. The application has the effect of high adding precision.

Description

A additive feeding device for green concrete production

Technical Field

The application relates to the field of concrete production, in particular to an additive feeding device for green concrete production.

Background

At present, when green concrete such as recycled aggregate concrete, pervious concrete and the like is produced, additives such as a water reducing agent, a retarder or a slump retaining agent need to be added into concrete raw materials to improve the performance of the concrete, and the additives are usually added by using an additive feeding device in production.

The application number is 201521012684.3's chinese utility model patent discloses a concrete admixture adds device, and it includes that storage tank, admixture call and water balance, and the storage tank is including a jar body and tank bottoms, and the tank bottoms can rotate for a jar body, and the internal portion of jar is provided with stirring vane, and stirring vane installs on the rotation axis, and the rotation axis lower extreme is fixed on the tank bottoms, and on the rotation axis upper end was connected to the motor of external portion of jar, lower part one side of the jar body was equipped with the discharging pipe, and the admixture is called to be located the top of water balance, the feed opening of admixture call with be equipped with a round trip movement's drainage groove between the water balance, drainage groove one end opening, the other end is sealed, the drainage groove is connected with a pneumatic valve through a connecting rod, and the drainage groove is located a support, and pneumatic valve drive drainage groove can be on the support round trip movement. When the additive is added, the additive in the storage tank is introduced into the additive scale through the discharge pipe for weighing, water is weighed through the water scale, and the weighed additive and the weighed water are added into the concrete mixer through the pipeline.

In view of the above-mentioned related technologies, the inventors believe that a small amount of additive adheres to the additive scale during weighing, which causes a difference between the finally added additive and the amount to be added, and causes a low adding precision, which affects the concrete quality.

SUMMERY OF THE UTILITY MODEL

In order to improve the lower problem of the interpolation device interpolation precision of correlation technique, this application provides an additive feeding device for green concrete production.

The application provides an additive feeding device for green concrete production adopts following technical scheme:

a material device is thrown to additive for green concrete production, including the jar of keeping in, the tank bottom portion of keeping in is provided with the drain pipe, the tank deck portion of keeping in is provided with inlet pipe and inlet tube, be provided with first flow valve on the inlet pipe, be provided with the second flow valve on the inlet tube, be provided with first shower head on the delivery port of inlet tube.

Through adopting above-mentioned technical scheme, when concrete mixes production, pour the additive in the additive head tank into the jar of keeping in earlier by the inlet pipe, the leading-in-process is measured by first flow valve, in order to realize accurate feeding, by leading-in the water of mixing in the inlet tube to the jar of keeping in again, mix the in-process that the water got into the jar inner chamber of keeping in, spray to the jar lateral wall of keeping in under the effect of first shower head, wash the additive of adhesion on the jar lateral wall of keeping in, later pass through the drain pipe with the additive diluent and discharge the back, repeated to leading-in the jar of keeping in mixing, spout the washing repeatedly to the jar inner wall of keeping in, with the additive loss that reduces to measure in-process production, promote and add the precision, and then improve concrete production quality.

Optionally, still include rabbling mechanism, the rabbling mechanism includes stirring rake and driving motor, the stirring rake rotates to set up in the jar of keeping in, driving motor sets up outside the jar of keeping in, driving motor's output shaft penetrates in the jar inner chamber of keeping in, and with the (mixing) shaft coaxial coupling of stirring rake.

Through adopting above-mentioned technical scheme, stir the additive and the mixing water that add in the jar of keeping in for the additive is by abundant mixing, and the distribution uniformity when helping promoting the additive and adding in the concrete further promotes the concrete quality.

Optionally, still be provided with on the inlet tube and spray the mechanism, it includes first solenoid valve and spray assembly to spray the mechanism, first solenoid valve sets up on the inlet tube, and is located second flow valve is close to inlet tube delivery port one side, spray assembly includes shower, second solenoid valve and second shower head, shower one end and the inlet tube intercommunication that is located between second flow valve and the first solenoid valve, the other end stretches into in the jar inner chamber of keeping in, the second solenoid valve sets up on the shower, the second shower setting is served at the shower one end that stretches into in the jar inner chamber of keeping in.

By adopting the technical scheme, when the temporary storage tank is sprayed, the first electromagnetic valve is adjusted to be closed, the second electromagnetic valve is opened, then the second flow valve is opened, the mixed water sequentially passes through the water inlet pipe and the spray pipe to enter the inner cavity of the temporary storage tank, and the inner wall of the temporary storage tank is sprayed under the action of the second spray head in the process of entering the inner cavity of the temporary storage tank; the mechanism that sprays of design helps reducing the jar spray rinsing water consumption of keeping in, dilutes the water quantity of mixing of additive promptly and can promote for the additive can obtain better dilution, distribution degree of consistency when helping further promoting the additive and adding in the concrete, reinforcing concrete quality.

Optionally, the spraying assemblies are provided with at least two groups, and second spraying heads of the spraying assemblies are uniformly distributed around the stirring paddle.

Through adopting above-mentioned technical scheme, the subassembly that sprays cooperates mutually and reduces and sprays the dead angle, further promotes and adds the precision.

Optionally, the jar diapire of keeping in is the back taper setting, the water inlet setting of drain pipe is keeping in the tank bottoms wall minimum.

Through adopting above-mentioned technical scheme, the additive of being convenient for discharges, helps reducing the possibility of hydrops in the jar of keeping in.

Optionally, the liquid outlet pipe is connected with a liquid pump.

Through adopting above-mentioned technical scheme, by the supplementary discharge additive of drawing liquid pump, help further reducing remaining additive amount in the jar of keeping in, promote and add the precision.

Optionally, be provided with photoelectric level sensor in the jar of keeping in, the jar of keeping in is provided with the alarm outward, the alarm is connected with photoelectric level sensor electricity.

By adopting the technical scheme, after the temporary storage tank drains liquid and is sprayed, if the photoelectric liquid level sensor detects that residual liquid exists in the temporary storage tank, a signal is sent to the alarm, the controller of the alarm controls the alarm to warn, and an operator checks in time to perform emergency treatment; the designed photoelectric liquid level sensor is matched with the alarm, so that the fault of the temporary storage tank can be detected in time, and the production quality of concrete can be kept.

Optionally, an opening is formed in one side of the top wall of the temporary storage tank, and a sealing door is movably arranged on the opening.

Through adopting above-mentioned technical scheme, the closed door of design is convenient for patrol and examine and maintain convenient and practical to the interior facility condition of jar of keeping in.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed water inlet pipe and the first spray head repeatedly introduce mixing water into the temporary storage tank after additive diluent is discharged through the liquid outlet pipe, and repeatedly spray-wash the inner wall of the temporary storage tank, so that additive loss generated in the metering process is reduced, the adding precision is improved, and the production quality of concrete is improved;

2. the designed spraying mechanism is beneficial to reducing the water consumption for spray washing of the temporary storage tank, namely the mixing water consumption of the diluted additive can be increased, so that the additive can be better diluted, the distribution uniformity of the additive added into concrete can be further improved, and the quality of the concrete can be enhanced;

3. the designed photoelectric liquid level sensor is matched with the alarm, so that the fault of the temporary storage tank can be detected in time, and the production quality of concrete can be kept.

Drawings

Fig. 1 is a schematic structural diagram of an overall additive feeding device for green concrete production according to an embodiment of the present application.

Figure 2 is a schematic cross-sectional view of the surge tank of figure 1.

Description of reference numerals: 1. a temporary storage tank; 11. a liquid outlet pipe; 111. a third electromagnetic valve; 112. a liquid pump; 12. a feed pipe; 121. a first flow valve; 13. a water inlet pipe; 131. a second flow valve; 132. a first shower head; 133. a first solenoid valve; 134. a spray assembly; 1341. a shower pipe; 1342. a second solenoid valve; 1343. a second shower head; 14. a stirring mechanism; 141. a stirring paddle; 142. a drive motor; 15. a photoelectric liquid level sensor; 16. an alarm; 17. a closing door; 2. and (4) a bracket.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses an additive feeding device for green concrete production. Referring to fig. 1 and 2, an additive feeding device for green concrete production includes support 2 and the jar of keeping in 1 of welding on support 2, the opening has been seted up to jar of keeping in 1 roof one side, it has closed door 17 to articulate on the opening, wear to establish the welding on jar of keeping in 1 roof and have inlet pipe 12 and inlet tube 13, the entrance point of inlet pipe 12 is used for with additive head tank intercommunication, the entrance point of inlet tube 13 is used for with municipal tap water pipe network intercommunication, jar of keeping in 1 diapire is the back taper setting, jar of keeping in 1 diapire lowest welding has drain pipe 11, the exit end of drain pipe 11 is used for with concrete mixer inner chamber intercommunication.

Still install rabbling mechanism 14 on the jar 1 of keeping in, rabbling mechanism 14 includes stirring rake 141 and driving motor 142, and stirring rake 141 rotates through the bearing and connects on jar 1 roof of keeping in, and driving motor 142 passes through the bolt fastening in jar 1 roof outside of keeping in, and driving motor 142's output shaft penetrates in the agitator tank inner chamber, and with stirring rake 141's pivot coaxial key-type connection.

Referring to fig. 1 and 2, a first flow valve 121 is connected to the feed pipe 12 through a flange, a second flow valve 131 and a spraying mechanism are connected to the feed pipe 13, the second flow valve 131 is connected to the feed pipe 13 through a flange, and a first spraying head 132 is connected to a water outlet of the feed pipe 13 through a screw thread. The spraying mechanism comprises a first electromagnetic valve 133 and a spraying assembly 134, the first electromagnetic valve 133 is connected onto the water inlet pipe 13 through a flange, the spraying assembly 134 is positioned on one side of the second flow valve 131 close to the water outlet of the water inlet pipe 13, the spraying assembly 134 comprises a spraying pipe 1341, a second electromagnetic valve 1342 and a second spraying head 1343, one end of the spraying pipe 1341 is welded and communicated with the water inlet pipe 13 positioned between the second flow valve 131 and the first electromagnetic valve 133, the other end of the spraying pipe 1341 penetrates into the inner cavity of the temporary storage tank 1, the second electromagnetic valve 1342 is connected onto the spraying pipe 1341 through a flange, and the threads of the second spraying head 1343 extend into one end of the inner cavity of the temporary storage tank 1 through the spraying pipe 1341. In this embodiment, in order to reduce the spraying dead angle of the spraying assembly 134, two groups of spraying assemblies 134 are provided, and the second spray headers 1343 of the two groups of spraying assemblies 134 are annularly provided on both sides of the stirring paddle 141. In other embodiments, the spraying assemblies 134 can be arranged in three or four groups, and all the groups uniformly surround the stirring paddle 141, so that the spraying dead angle can be reduced.

Referring to fig. 1, the liquid outlet pipe 11 is connected to a third electromagnetic valve 111 and a liquid pump 112 through flanges, and the liquid pump 112 is disposed on a side of the third electromagnetic valve 111 away from the water outlet of the temporary storage tank 1.

In order to detect the fault of the temporary storage tank 1 in time, referring to fig. 1, the upper inner side of the side wall of the temporary storage tank 1 is fixed with a photoelectric liquid level sensor 15 through a bolt, the outer side of the top wall of the temporary storage tank 1 is bonded with an alarm 16, and the alarm 16 is electrically connected with the photoelectric liquid level sensor 15. In this embodiment, the photoelectric liquid level sensor 15 is an infrared liquid level sensor.

The implementation principle of the additive feeding device for green concrete production provided by the embodiment of the application is as follows: when concrete is mixed and produced, the additive in the additive raw material tank is poured into the temporary storage tank 1 through the feeding pipe 12, and the additive is metered through the first flow valve 121 in the leading-in process so as to realize accurate feeding; then, the mixing water is introduced into the temporary storage tank 1 through the water inlet pipe 13, and is sprayed to the side wall of the temporary storage tank 1 under the action of the first spray head 132 in the process that the mixing water enters the inner cavity of the temporary storage tank 1, so that the additive adhered to the side wall of the temporary storage tank 1 is washed, and the driving motor 142 drives the stirring paddle 141 to rotate to stir the mixed liquid of the additive and the water, so that the additive is uniformly mixed; then, opening the third electromagnetic valve 111 and the liquid pump 112 to discharge the additive diluent through the liquid outlet pipe 11; then adjust first solenoid valve 133 and close, second solenoid valve 1342 opens, then open second flow valve 131, mix the water and loop through inlet tube 13, shower 1341 and get into in the jar 1 inner chamber of keeping in, and in the in-process that gets into jar 1 inner chamber of keeping in spray rinsing jar 1 inner wall under the effect of second shower 1343 to the mixed liquid that forms after will spraying passes through drain pipe 11 and discharges. Wherein, the total amount of water fed into the water inlet pipe 13 is measured by the second flow valve 131, so that the water inlet amount is equal to the designed mixing water usage amount.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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. A additive feeding device for green concrete production, its characterized in that: including temporary storage tank (1), temporary storage tank (1) bottom is provided with drain pipe (11), temporary storage tank (1) top is provided with inlet pipe (12) and inlet tube (13), be provided with first flow valve (121) on inlet pipe (12), be provided with second flow valve (131) on inlet tube (13), be provided with first shower head (132) on the delivery port of inlet tube (13).

2. The additive feeding device for green concrete production according to claim 1, characterized in that: still be provided with on inlet tube (13) and spray the mechanism, spray the mechanism and include first solenoid valve (133) and spray assembly (134), first solenoid valve (133) set up on inlet tube (13), and are located second flow valve (131) are close to inlet tube (13) delivery port one side, spray assembly (134) include shower (1341), second solenoid valve (1342) and second shower head (1343), shower (1341) one end with be located inlet tube (13) between second flow valve (131) and first solenoid valve (133) intercommunication, the other end stretches into in jar (1) inner chamber of keeping in, second solenoid valve (1342) set up on shower (1341), second shower head (1343) set up on shower (1341) stretches into the one end in jar (1) inner chamber of keeping in.

3. The additive feeding device for green concrete production according to claim 2, characterized in that: still include rabbling mechanism (14), rabbling mechanism (14) are including stirring rake (141) and driving motor (142), stirring rake (141) rotate to set up in temporary storage tank (1), driving motor (142) set up outside temporary storage tank (1), the output shaft of driving motor (142) penetrates in temporary storage tank (1) inner chamber, and with the (mixing) shaft coaxial coupling of stirring rake (141).

4. The additive feeding device for green concrete production according to claim 3, characterized in that: the spraying assemblies (134) are provided with at least two groups, and second spraying heads (1343) of the spraying assemblies (134) are uniformly distributed around the stirring paddle (141).

5. The additive feeding device for green concrete production according to claim 1, characterized in that: the bottom wall of the temporary storage tank (1) is arranged in a reverse taper shape, and the water inlet of the liquid outlet pipe (11) is arranged at the lowest position of the bottom wall of the temporary storage tank (1).

6. The additive feeding device for green concrete production according to claim 5, characterized in that: and the liquid outlet pipe (11) is connected with a liquid pump (112).

7. The additive feeding device for green concrete production according to claim 1, characterized in that: the device is characterized in that a photoelectric liquid level sensor (15) is arranged in the temporary storage tank (1), an alarm (16) is arranged outside the temporary storage tank (1), and the alarm (16) is electrically connected with the photoelectric liquid level sensor (15).

8. The additive feeding device for green concrete production according to claim 1, characterized in that: an opening is formed in one side of the top wall of the temporary storage tank (1), and a sealing door (17) is movably arranged on the opening.