阅读说明：本技术 一种二氧化碳相变膨胀激发管粉状药剂自动上料混合装置 (Automatic feeding and mixing device for carbon dioxide phase change expansion excitation tube powdery medicament ) 是由 徐添福 朱宽 魏碧波 刘令 向华仙 王浩 韩荣星 朱根华 武宏博 于 2021-10-11 设计创作，主要内容包括：本发明公开一种二氧化碳相变膨胀激发管粉状药剂自动上料混合装置,包括控制器、机架和至少两投料站,机架内设置依次连通的真空上料仓、混合器和暂存罐；机架外侧设置真空泵、真空上料管和抽真空管道,真空上料管的其中一端连通真空上料仓,真空上料管的另一端分别连通各投料站；抽真空管道的其中一端连通真空上料仓,抽真空管道的另一端连通真空泵；控制器分别电连接真空泵和混合器,控制器用于控制混合器从真空上料仓接收预定重量的混合粉料,以使混合粉料在混合器内混合充分后送入暂存罐内。本发明提出技术方案中避免粉尘扩散至外部,有效的保证了工作人员的安全,并将避免了粉尘爆炸的风险。(The invention discloses an automatic feeding and mixing device for carbon dioxide phase change expansion exciting tube powder medicament, which comprises a controller, a rack and at least two feeding stations, wherein a vacuum feeding bin, a mixer and a temporary storage tank which are sequentially communicated are arranged in the rack; a vacuum pump, a vacuum feeding pipe and a vacuum pumping pipeline are arranged outside the rack, one end of the vacuum feeding pipe is communicated with the vacuum feeding bin, and the other end of the vacuum feeding pipe is respectively communicated with each feeding station; one end of the vacuumizing pipeline is communicated with the vacuum feeding bin, and the other end of the vacuumizing pipeline is communicated with the vacuum pump; the controller is respectively and electrically connected with the vacuum pump and the mixer, and is used for controlling the mixer to receive the mixed powder with the preset weight from the vacuum feeding bin so as to ensure that the mixed powder is fully mixed in the mixer and then is sent into the temporary storage tank. According to the technical scheme provided by the invention, dust is prevented from being diffused to the outside, the safety of workers is effectively ensured, and the risk of dust explosion is avoided.)

1. The automatic feeding and mixing device for the carbon dioxide phase change expansion excitation tube powdery medicament is characterized by comprising a controller, a rack and at least two feeding stations, wherein a vacuum feeding bin, a mixer and a temporary storage tank which are sequentially communicated are arranged in the rack; a vacuum pump, a vacuum feeding pipe and a vacuum pumping pipeline are arranged on the outer side of the rack, one end of the vacuum feeding pipe is communicated with the vacuum feeding bin, and the other end of the vacuum feeding pipe is respectively communicated with the feeding stations; one end of the vacuumizing pipeline is communicated with the vacuum feeding bin, the other end of the vacuumizing pipeline is communicated with the vacuum pump, and the vacuum pump is used for applying pressure to the vacuum feeding bin through the vacuumizing pipeline so as to enable powder in each feeding station to enter the vacuum feeding bin; the controller is respectively and electrically connected with the vacuum pump and the mixer, and is used for controlling the mixer to receive mixed powder with preset weight from the vacuum feeding bin so as to ensure that the mixed powder is fully mixed in the mixer and then is sent into the temporary storage tank.

2. The automatic feeding and mixing device for the carbon dioxide phase change expansion excitation tube powdery medicament as claimed in claim 1, wherein a dust removal pipeline and a bag type dust collector are respectively arranged outside the frame, one end of the dust removal pipeline is communicated with the bag type dust collector, and the other end of the dust removal pipeline is respectively communicated with the feeding stations; the controller is electrically connected with the bag type dust collector and is used for controlling the bag type dust collector to absorb the floating dust in each feeding station.

3. The automatic feeding and mixing device for the carbon dioxide phase change expansion excitation tube powdery medicament as claimed in claim 1, wherein the feeding station is provided with a feeding port, the feeding port is provided with a sealing cover, and the feeding port is provided with a filter screen.

4. The automatic feeding and mixing device for the powdered medicament of the carbon dioxide phase change expansion excitation tube according to any one of claims 1 to 3, wherein the vacuum feeding tube is provided with a pneumatic control valve, and the pneumatic control valve is used for opening and closing the vacuum feeding tube so that the vacuum feeding tube is in a communicated state when the vacuum feeding bin is in a negative pressure state.

5. The automatic feeding and mixing device for the powdered medicament through the carbon dioxide phase change expansion excitation tube according to any one of claims 1 to 3, wherein a material collector is arranged between each feeding station and the vacuum feeding tube, one end of the material collector is communicated with each feeding station, the other end of the material collector is communicated with one end of the vacuum feeding tube, which is far away from the vacuum feeding bin, and the material collector is used for caching the powdered medicament.

6. The automatic feeding and mixing device for powdered medicaments through the carbon dioxide phase change expansion excitation tube as claimed in claim 5, wherein the vacuum feeding tube is provided with a glass window.

7. The automatic feeding and mixing device for powdered medicament of carbon dioxide phase change expansion excitation tube of any one of claims 1-3, wherein said frame is provided with a plurality of vibrating devices, each of said vibrating devices is connected to said mixer, said controller is electrically connected to each of said vibrating devices, and said controller is used for controlling each of said vibrating devices to vibrate said mixer to thoroughly mix the powder in said mixer.

8. The automatic feeding and mixing device for the powdered medicament of the carbon dioxide phase change expansion excitation tube according to any one of claims 1 to 3, wherein a pneumatic butterfly valve is arranged at a discharge port of the temporary storage tank.

9. The automatic feeding and mixing device for powdered medicament of carbon dioxide phase change expansion excitation tube of claim 8, wherein the lower end of the temporary storage tank is a cone-shaped end, and the pneumatic butterfly valve is disposed at the cone-shaped end of the temporary storage tank.

Technical Field

The invention relates to the technical field of processing of powdery medicaments in an excitation tube, in particular to an automatic feeding and mixing device for a powdery medicament of a carbon dioxide phase-change expansion excitation tube.

Background

The carbon dioxide phase change expansion technology is a rock breaking method mainly based on physical explosion, and mainly utilizes that when the pressure of carbon dioxide is higher than 7.38MPa and the temperature is lower than 31.1 ℃, liquid carbon dioxide molecules mainly exist, and when the carbon dioxide phase change expansion exciting pipe (also called as an activator, a heater and the like) is electrified to generate chemical reaction and release heat, so that the environmental temperature is instantaneously higher than 31.1 ℃, the liquid carbon dioxide in a cracking pipe is subjected to phase change to generate high pressure and break rocks. The technology has the advantages of no spark, small vibration, small noise, less flying stones and the like in the blasting process, has outstanding advantages in the field of engineering blasting in complex environments, and is widely applied at home and abroad in recent years.

The carbon dioxide phase change expansion exciting tube is a core component of the technology, wherein powdery medicaments such as potassium perchlorate, ammonium oxalate, salicylic acid and the like are mainly used as main raw materials of the exciting tube, and the exciting tube is required to be uniformly mixed and filled in an exciting tube shell with an electric igniter to form an exciting tube finished product.

The mixed material loading of excitation pipe medicament now generally leads to mixing a large amount of dusts in the workshop like this through artifical mixed material loading, can cause danger to staff's health promptly, has the risk of dust explosion again.

Disclosure of Invention

The invention mainly aims to provide an automatic feeding and mixing device for a powdered medicament of a carbon dioxide phase change expansion excitation tube, and aims to solve the problem that a large amount of dust enters air in the mixing and feeding process of the medicament of the excitation tube.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a carbon dioxide phase change expansion exciting tube powder medicament automatic feeding and mixing device comprises a controller, a frame and at least two feeding stations, wherein a vacuum feeding bin, a mixer and a temporary storage tank which are sequentially communicated are arranged in the frame; a vacuum pump, a vacuum feeding pipe and a vacuum pumping pipeline are arranged on the outer side of the rack, one end of the vacuum feeding pipe is communicated with the vacuum feeding bin, and the other end of the vacuum feeding pipe is respectively communicated with the feeding stations; one end of the vacuumizing pipeline is communicated with the vacuum feeding bin, the other end of the vacuumizing pipeline is communicated with the vacuum pump, and the vacuum pump is used for applying pressure to the vacuum feeding bin through the vacuumizing pipeline so as to enable powder in each feeding station to enter the vacuum feeding bin; the controller is respectively and electrically connected with the vacuum pump and the mixer, and is used for controlling the mixer to receive mixed powder with preset weight from the vacuum feeding bin so as to ensure that the mixed powder is fully mixed in the mixer and then is sent into the temporary storage tank.

Preferably, a dust removal pipeline and a bag type dust collector are respectively arranged on the outer side of the frame, one end of the dust removal pipeline is communicated with the bag type dust collector, and the other end of the dust removal pipeline is respectively communicated with the feeding stations; the controller is electrically connected with the bag type dust collector and is used for controlling the bag type dust collector to absorb the floating dust in each feeding station.

Preferably, the feeding station is provided with a feeding hole, the feeding hole is provided with a sealing cover, and the feeding hole is provided with a filter screen.

Preferably, the vacuum feeding pipe is provided with a pneumatic control valve, and the pneumatic control valve is used for opening and closing the vacuum feeding pipe so that the vacuum feeding pipe is in a communicated state when the vacuum feeding bin is in a negative pressure state.

Preferably, a material collector is arranged between each feeding station and the vacuum feeding pipe, one end of the material collector is communicated with each feeding station, the other end of the material collector is communicated with one end, far away from the vacuum feeding bin, of the vacuum feeding pipe, and the material collector is used for caching powder.

Preferably, the vacuum feeding pipe is provided with a glass window.

Preferably, the rack is provided with a plurality of vibrating devices, each vibrating device is respectively connected with the mixer, the controller is electrically connected with each vibrating device, and the controller is used for controlling each vibrating device to vibrate the mixer so as to thoroughly mix the powder in the mixer.

Preferably, a pneumatic butterfly valve is arranged at a discharge hole of the temporary storage tank.

Preferably, the lower one end of the level of the temporary storage tank is a cone-shaped end, and the pneumatic butterfly valve is arranged at the cone-shaped end of the temporary storage tank.

Compared with the prior art, the invention at least has the following beneficial effects:

the feeding station, the vacuum feeding bin, the mixer and the temporary storage tank are arranged, so that the whole mixing feeding process of the powder is operated in a totally-enclosed mode, the dust is prevented from being diffused to the outside, the safety of workers is effectively guaranteed, and the risk of dust explosion is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an automatic feeding and mixing device for powdered medicament of a carbon dioxide phase change expansion excitation tube according to the present invention;

fig. 2 is a schematic structural diagram of fig. 1 with the vacuum pump and the temporary storage tank removed from the left view.

The reference numbers illustrate:

1-a frame; 11-maintenance platform; 12-vacuum feeding bin; 13-a mixer; 14-temporary storage tank;

2-feeding station; 21-vacuum feeding pipe; 22-a pneumatic control valve; 23-a material collector; 24-glass windows;

3-a vacuum pump; 31-a vacuum-pumping pipeline;

4-a bag filter; 41-a dust removal pipeline;

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides an automatic feeding and mixing device for carbon dioxide phase change expansion excitation tube powdery medicament.

The device for automatically feeding and mixing the powdered medicament of the carbon dioxide phase change expansion excitation tube comprises a controller, a machine frame 1 and at least two feeding stations 2, wherein a vacuum feeding bin 12, a mixer 13 and a temporary storage tank 14 which are sequentially communicated are detachably arranged in the machine frame 1; a vacuum pump 3, a vacuum feeding pipe 21 and a vacuum pumping pipeline 31 are arranged on the outer side of the rack 1, one end of the vacuum feeding pipe 21 is communicated with the vacuum feeding bin 12, and the other end of the vacuum feeding pipe 21 is respectively communicated with each feeding station 2; one end of the vacuumizing pipeline 31 is communicated with the vacuum feeding bin 12, the other end of the vacuumizing pipeline 31 is communicated with the vacuum pump 3, and the vacuum pump 3 is used for applying pressure to the vacuum feeding bin 12 through the vacuumizing pipeline 31 so as to enable powder in each feeding station 2 to enter the vacuum feeding bin 12; the controller is respectively electrically connected with the vacuum pump 3 and the mixer 13, and is used for controlling the mixer 13 to receive the mixed powder with the preset weight from the vacuum feeding bin 12, so that the mixed powder is fully mixed in the mixer 13 and then is sent into the temporary storage tank 14.

Specifically, the vacuum feeding pipe 21 is a flexible pipe body, and the pipe diameter is 30cm to 100 cm.

Specifically, the volume of the vacuum upper silo 12 is 50L to 500L.

Specifically, the frame 1 is provided with two maintenance platforms 11, wherein one maintenance platform 11 is used for assisting a worker to maintain the expanded feeding bin, and the other maintenance platform 11 is used for assisting the worker to maintain the mixer 13.

Specifically, the temporary storage tank 14 is used for storing the mixed powder in a preset time period, so that a large amount of dust floating in the air is avoided when the mixed powder entering the next process leaves the temporary storage tank 14.

Specifically, the vacuum feeding bin 12, the mixer 13 and the temporary storage tank 14 are arranged from top to bottom, and powder sequentially passes through the vacuum feeding bin 12, the mixer 13 and the temporary storage tank 14 through gravity.

The feeding station 2, the vacuum feeding bin 12, the mixer 13 and the temporary storage tank 14 are arranged, so that the whole mixing and feeding process of the powder is operated in a fully-closed mode, the dust is prevented from being diffused to the outside, the safety of workers is effectively guaranteed, and the risk of dust explosion is avoided.

The outer side of the frame 1 is also respectively provided with a dust removal pipeline 41 and a bag type dust collector 4, one end of the dust removal pipeline 41 is communicated with the bag type dust collector 41, and the other end of the dust removal pipeline 41 is respectively communicated with each feeding station 2; the controller is electrically connected with the bag type dust collector 41 and is used for controlling the bag type dust collector 41 to absorb the dust floating in each feeding station 2. The arrangement of the bag type dust collector 41 can absorb the floating dust in the feeding station 2 due to feeding and discharging, thereby further improving the production environment.

Specifically, frame 1 still sets up the connecting pipe outward, and wherein one end intercommunication bag collector 41 of connecting pipe, the other end intercommunication temporary storage tank 14 of connecting pipe, and the connecting pipe sets up the automatically controlled valve, and the automatically controlled valve is connected to the controller electricity, and the controller is used for respectively starting the automatically controlled valve that sets up in the connecting pipe and bag collector 41 when the dust of stewing in temporary storage tank 14 to make the interior floated dust of temporary storage tank 14 get rid of fast.

The feeding station 2 is provided with a feeding hole, a sealing cover is arranged on the feeding hole, and a filter screen is arranged on the feeding hole.

Specifically, the filter screen is the filter box, and sealed lid sets up the box mouth department of filter box, and the leading-in filter box of dust directly from the box mouth passes through filter box and sieves the back and get into and throw material station 2 again. The setting of filter box can avoid the dust of caking to directly drop from the filter screen.

Specifically, sealed lid sets up the motor, and sealed lid sets up the pivot towards one side of straining the box, and the output of motor is connected to one of them one end of pivot, and the other end of pivot sets up the stirring structure, and the motor is used for controlling pivot drive stirring structure to rotate to make the stirring structure stir into the powder of caking.

Concretely, the stirring structure includes the agitator disk, and one of them one side of agitator disk is connected to the one end of keeping away from sealed lid of pivot, and the opposite side that the pivot was kept away from to the agitator disk sets up the brush, and the agitator disk is used for pressing the powder of caking in the bottom of straining the box to make the rotation of brush water agitator disk smash the powder of caking.

The vacuum feeding pipe 21 is provided with a pneumatic control valve 22, and the pneumatic control valve 22 is used for opening and closing the vacuum feeding pipe 21 so that the vacuum feeding pipe 21 is in a communication state when the vacuum feeding bin 12 is in a negative pressure state.

A material collector 23 is arranged between each feeding station 2 and the vacuum feeding pipe 21, one end of the material collector 23 is communicated with each feeding station 2, the other end of the material collector 23 is communicated with one end of the vacuum feeding pipe 21, which is far away from the vacuum feeding bin 12, and the material collector 23 is used for caching powder.

In particular, the material collector 23 is located at a lower level than the feeding stations 2, so that the dust in the feeding stations 2 enters the material collector 23 by gravity.

Specifically, the material collector 23 is connected with a flow meter and an electric control valve at the connection part of each feeding station 2, the controller is electrically connected with each flow meter and the electric control valve arranged at each feeding station 2, and the flow meters are used for detecting the quantity data of dust entering the material collector 23 in the feeding stations 2 and sending the data to the controller; the controller is used for controlling each electric control valve according to each quantity data so as to enable various kinds of dust with preset quantity to enter the material collector 23.

The vacuum feeding tube 21 is provided with a glass window 24. The glass window 24 is used for detecting whether the vacuum feeding pipe 21 is normally fed.

The frame 1 is provided with a plurality of vibrating devices, each vibrating device is respectively connected with the mixer 13, the controller is electrically connected with each vibrating device, and the controller is used for controlling each vibrating device to vibrate the mixer 13 so as to thoroughly mix powder in the mixer 13.

Specifically, the controller is used for controlling the vibration of each vibration device when the mixer 13 conveys the powder to the temporary storage tank 14, so that the powder in the mixer 13 can completely fall into the temporary storage tank 14.

A pneumatic butterfly valve is arranged at the discharge hole of the temporary storage tank 14. The controller is electrically connected with the pneumatic butterfly valve and is used for controlling the pneumatic butterfly valve to be opened after a preset time period so as to enable the powder after standing to enter the next procedure.

The lower end of the temporary storage tank 14 is a cone-shaped end, and a pneumatic butterfly valve is arranged at the cone-shaped end of the temporary storage tank 14. The tapered end is provided to facilitate the collection of the separated components in the buffer tank 14 to the pneumatic butterfly valve.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.