CN210936375U

CN210936375U - Active carbon weighing cabinet

Info

Publication number: CN210936375U
Application number: CN201921948943.1U
Authority: CN
Inventors: 岳红; 鞠丽丽; 李敏; 姜鹏飞
Original assignee: Changchun Puhua Pharmaceutical Co ltd
Current assignee: Changchun Puhua Pharmaceutical Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-07
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses an active carbon weighs cupboard, including the cupboard, the cupboard middle part is equipped with weighs between, weigh and be equipped with the weighing platform who is used for weighing active carbon in the room, still including the entry with weigh between continuous, be used for the suction fan of gettering powdered carbon, the export of suction fan even has filter mechanism. The weighing platform of active carbon is arranged in the weighing room, the inlet of the suction fan is connected with the weighing room, negative pressure is generated in the weighing room when the suction fan exhausts air, carbon powder is sucked out along with air flow to be weighed, the space in the weighing room is prevented from being polluted by the carbon powder, the influence of the carbon powder on the weighing result is reduced, and the workload of operators is reduced.

Description

Active carbon weighing cabinet

Technical Field

The utility model relates to a weighing equipment technical field, in particular to cupboard is weighed to active carbon.

Background

Powdered activated carbon is very easy to fly during weighing, carbon powder is adsorbed on a table top, a wall, a floor and the like to pollute the environment, fine carbon powder is difficult to clean, and especially if the carbon powder on the table top is not cleaned in time, the weighing accuracy is influenced. Therefore, after each weighing, the carbon powder can be cleaned up by repeatedly wiping with ethanol and purified water, and the workload of operators is increased.

Therefore, how to reduce the workload of the operators for cleaning the carbon powder is a technical problem which needs to be solved urgently by the technicians in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an active carbon weighing cabinet, it will weigh the powdered carbon in the room and absorb through the suction fan to the burden of operating personnel clearance powdered carbon has been reduced.

In order to realize the above purpose, the utility model provides an active carbon weighs cupboard, including the cupboard, the cupboard middle part is equipped with and weighs between, weigh and be equipped with the weighing platform who is used for weighing the active carbon in the room, still include the entry with weigh between continuous, be used for the suction fan of gettering powdered carbon, the export of suction fan even has filter equipment.

Preferably, the cabinet is connected with an air pipe, an inlet of the air pipe is connected with an outlet of the suction fan, and an outlet of the air pipe is connected with the other side of the weighing room.

Preferably, the device also comprises a blower for blowing off the carbon powder on the weighing platform, wherein the inlet of the blower is connected with the outlet of the air pipe, and the outlet of the blower is connected with the weighing room.

Preferably, the inlet of the air pipe is provided with a first filter for filtering carbon powder.

Preferably, the outlet of the air pipe is provided with a second filter for filtering the carbon powder so as to prevent the carbon powder from flowing back to the weighing room.

Preferably, the outlets of the suction fan and the blower are provided with air valves for adjusting air quantity, and the weighing room further comprises a control mechanism which is connected with the air valves at the outlets of the suction fan and the blower and used for controlling the negative pressure in the weighing room.

Preferably, a pressure sensor is arranged on the air pipe, and the control mechanism comprises a judgment component which is connected with the pressure sensor and used for judging whether the first filter or the second filter is blocked.

Preferably, the first filter and the second filter are both filter bags.

The utility model provides an active carbon weighing cabinet, which comprises a cabinet, the cupboard middle part is equipped with weighs between, weigh the weighing platform who is equipped with the active carbon of being used for weighing in the room, still including the entry with weigh between continuous, be used for the suction fan of gettering powdered carbon, the export of suction fan even has filter mechanism.

The weighing platform of active carbon is arranged in the weighing room, the inlet of the suction fan is connected with the weighing room, negative pressure is generated in the weighing room when the suction fan exhausts air, carbon powder is sucked out along with air flow and weighed, the space in the weighing room is prevented from being polluted by the carbon powder, the influence of the carbon powder on the weighing result is reduced, the carbon powder sucked out is filtered by the filtering mechanism, the pollution of the carbon powder to the environment outside the weighing cabinet is avoided, and the workload of cleaning operators is reduced.

In addition, the activated carbon weighing cabinet is also provided with an air pipe, and the air pipe is also internally provided with a first filter and a second filter for blowing airflow of the carbon powder to flow in the air pipe, so that the activated carbon weighing cabinet does not need to exchange with the external environment, and zero pollutant emission of the activated carbon weighing cabinet is realized while the carbon powder is blown.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the activated carbon weighing cabinet provided by the present invention.

Wherein the reference numerals in fig. 1 are:

weighing platform 1, suction fan 2, hair-dryer 3, tuber pipe 4, first filter 5, second filter 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an activated carbon weighing cabinet according to the present invention.

The utility model provides an active carbon weighing cabinet which comprises a cabinet. As shown in figure 1, the middle part of the cabinet is provided with a weighing room, a weighing platform 1 used for weighing activated carbon is arranged in the weighing room, the side surface of one side of the weighing room is a weighing room door, and an operator opens the weighing room door to place the activated carbon on a weighing device on the weighing platform 1 for weighing.

Optionally, weighing platform 1's bottom is equipped with the hole that is used for the ventilation, and the below of weighing the room is between first fan, and the entry of suction fan 2 links to each other with the lateral wall between first fan, and the air between first fan is taken out after suction fan 2 starts, and then will weigh the air in the room and take out, makes and weigh the room and produce the negative pressure, and the charcoal powder that thoughtlessly takes out with the air in the active carbon and weighs the room, and then avoids the environment in the charcoal powder pollution weighing room. In addition, in order to avoid the environmental pollution caused by the carbon powder, a filtering mechanism can be arranged below the weighing platform 1 or at the outlet of the suction fan 2 for filtering the carbon powder. Of course, the user can also set the suction fan 2 at one side of the weighing room or above the weighing room, and the structure of the activated carbon weighing cabinet can refer to the specific implementation mode that the suction fan 2 is located below the weighing room, which is not described herein again.

In this embodiment, the suction fan 2 is arranged in the activated carbon weighing cabinet, and the suction fan 2 removes the carbon powder flying out in the weighing process by extracting the air in the weighing room, so that the carbon powder is prevented from polluting the environment in the weighing room, and the workload of an operator for cleaning the weighing room is reduced.

Optionally, the carbon powder flowing out of the outlet of the suction fan 2 may cause environmental pollution if directly discharged into the environment, and the cleaning burden of the operator is increased. Therefore, the outer side of the cabinet is connected with an air pipe 4, the suction fan 2 is positioned in the air pipe 4, and the outlet of the air pipe 4 is connected with the top of the weighing room. The air pipe 4 is also provided with a filtering mechanism for filtering carbon powder, the suction fan 2 pumps the carbon powder out of the weighing room and then discharges the carbon powder into the air pipe 4, and the air pipe 4 filters the carbon powder in the air through the filtering mechanism. The filtered clean air flows back to the weighing room from the top of the weighing room, so that air circulation is formed in the activated carbon weighing cabinet, the carbon powder is filtered by the filtering mechanism, and the pollutant emission of the activated carbon weighing cabinet is reduced. Of course, the outlet of the air duct 4 may also be connected to the side wall of the weighing compartment, which is not limited herein.

Optionally, an inlet of the air duct 4 is connected with a side wall between the first fans, a first filter 5 is arranged at a joint of the inlet and the first fans, and air flows out from an outlet of the suction fan 2 and then enters the first filter 5 for filtering. Specifically, first filter 5 is the filter bag of middle effect, and the entry of tuber pipe 4 extends along the horizontal direction earlier, and the vertical direction of turn to extends again, and the filter bag setting of middle effect is in the position that the horizontal direction extends. The lateral wall of well effect filter bag and first fan within a definite time adopts detachable modes such as bolted connection to be connected, when having more powdered carbon in well effect filter bag, can pull down it and clear up.

Furthermore, the outlet of the air pipe 4 is provided with a second filter 6, and the mesh number of the second filter 6 is larger than that of the first filter 5, so that the carbon powder is further filtered, and the carbon powder is prevented from flowing back to the weighing room. Specifically, the second filter 6 may be an efficient filter such as an electrostatic precipitator, and the efficient filter can further reduce the residual amount of carbon powder in the air.

In addition, part of the carbon powder is adsorbed on the surface of the weighing platform 1 and is difficult to absorb, so the activated carbon weighing cabinet also comprises a blower 3. Specifically, weigh between the top and be equipped with between the second fan, the export of tuber pipe 4 links to each other with the top between the second fan, and the entry of hair-dryer 3 links to each other with the export of tuber pipe 4 simultaneously. The bottom of the second fan room, i.e. the top of the weighing room, is also provided with holes for ventilation. Usually, the holes at the top and the holes at the bottom of the weighing room are arranged in a staggered way, and the airflow is pressurized by the blower 3 and then swept to the weighing platform 1, so that the carbon powder is blown off from the weighing platform 1. As shown in fig. 1, a second filter 6 is located above the hole in the top of the weighing compartment to ensure that the air entering the weighing compartment is clean air. Of course, to ensure a negative pressure in the weighing compartment, the outlet pressure of the blower 3 is not higher than the inlet negative pressure of the suction fan 2.

In this embodiment, the active carbon weighing cabinet has set up tuber pipe 4, is equipped with filter mechanism in the tuber pipe 4, and the air flows back to weighing the room along tuber pipe 4 after taking out from weighing the room, and the back flow in-process is through the filtering mechanism with the powdered carbon filtering in the air to guarantee that the air can not lead to the fact secondary pollution to weighing between. Simultaneously the air constantly circulates in the active carbon weighing cabinet, makes first filter 5 and second filter 6 can carry out a lot of filtration to the air, and then improves the filter effect.

Because the shapes and the sizes of the active carbon weighed in the weighing room are different, the required blowing air quantity in the weighing room is also different. In order to keep the negative pressure in the weighing room all the time and have the proper air quantity, the activated carbon weighing cabinet further comprises a control mechanism, air valves are arranged at the outlets of the suction fan 2 and the blower 3 and connected with the control mechanism, and an operator can adjust the opening degree of the air valves at the outlets of the suction fan 2 and the blower 3 through the control mechanism so as to adjust the air speed of blowing air and the size of the negative pressure in the weighing room. Of course, in other embodiments of the present application, the control mechanism may include a controller and a frequency converter, and the controller adjusts the rotation speed of the suction fan 2 and the blower 3 through the frequency converter, so as to achieve the purposes of speed regulation and negative pressure regulation. The suction fan 2 and the blower 3 can also be driven by a variable frequency motor. The controller may be specifically a PLC controller or an MCU microcontroller, etc.

In addition, when the activated carbon weighing cabinet is used for a long period of time, the first filter 5 and the second filter 6 are clogged due to the accumulation of carbon powder. In order to ensure the normal operation of the activated carbon weighing cabinet, the air pipe 4 is provided with a pressure sensor, and the control mechanism comprises a judgment part connected with the pressure sensor. Specifically, the pressure sensor includes a first differential pressure gauge for measuring a differential pressure across the first filter 5 and a second differential pressure gauge for measuring a differential pressure across the second filter 6, and the determining unit is connected to both the first differential pressure gauge and the second differential pressure gauge, and determines whether the first filter 5 and the second filter 6 are clogged by the differential pressure. The judging component can also be connected with a first alarm part and a second alarm part, when the pressure difference measured by a first pressure difference meter in the air pipe 4 is higher than a first preset value, the second filter 6 is indicated to be blocked, and the first alarm part gives an alarm. When the pressure difference measured by the first pressure difference meter in the air pipe 4 is greater than a second preset value, the first filter 5 is blocked, and the second alarm part gives an alarm. Of course, the first preset value and the second preset value can be set by a user according to needs. The judging means may refer to a comparison circuit in the prior art, and the first alarm portion and the second alarm portion may be embodied as alarm lamps respectively provided on side walls between the first blower and the second blower.

In this embodiment, the activated carbon weighing cabinet is further provided with a control mechanism, and the control mechanism can control the rotating speed of the blower 3 and the suction fan 2, so that the blower and the suction fan can not only remove carbon powder in the weighing room, but also can not blow off the weighed activated carbon. In addition, a pressure sensor is further arranged in the air pipe 4, the control mechanism judges whether the first filter 5 and the second filter 6 are blocked according to the pressure of the air pipe 4, and if the first filter and the second filter are blocked, an operator can be reminded to replace the first filter and the second filter.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The activated carbon weighing cabinet provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The activated carbon weighing cabinet is characterized by comprising a cabinet, wherein a weighing room is arranged in the middle of the cabinet, a weighing platform (1) used for weighing activated carbon is arranged in the weighing room, the activated carbon weighing cabinet further comprises an inlet and a suction fan (2) connected with the weighing room and used for sucking off carbon powder, and an outlet of the suction fan (2) is connected with a filtering mechanism.

2. The activated carbon weighing cabinet according to claim 1, characterized in that an air duct (4) is connected to the cabinet, the inlet of the air duct (4) is connected to the outlet of the suction fan (2), and the outlet of the air duct (4) is connected to the other side of the weighing compartment.

3. The activated carbon weighing cabinet as claimed in claim 2, further comprising a blower (3) for blowing off the powdered carbon on the weighing platform (1), wherein the inlet of the blower (3) is connected with the outlet of the air pipe (4), and the outlet is connected with the weighing room.

4. Activated carbon weighing cabinet according to claim 3, characterized in that the inlet of the air duct (4) is provided with a first filter (5) for filtering carbon powder.

5. The activated carbon weighing cabinet according to claim 4, characterized in that the outlet of the air duct (4) is provided with a second filter (6) for filtering the carbon powder to avoid the carbon powder from flowing back to the weighing compartment.

6. The activated carbon weighing cabinet according to claim 5, characterized in that the outlets of the suction fan (2) and the blower (3) are provided with air valves for adjusting air volume, and the activated carbon weighing cabinet further comprises a control mechanism which is connected with the air valves at the outlets of the suction fan (2) and the blower (3) and is used for controlling negative pressure in the weighing room.

7. The activated carbon weighing cabinet according to claim 6, characterized in that a pressure sensor is arranged on the air duct (4), and the control mechanism comprises a judging member connected with the pressure sensor for judging whether the first filter (5) or the second filter (6) is blocked.

8. Activated carbon weighing cabinet according to claim 7, characterized in that said first filter (5) is a filter bag and said second filter (6) is a high efficiency filter.