Humidity control system for premix and powder production process

Abstract

The utility model discloses a humidity control system for a premix and powder production process, which belongs to the technical field of air treatment equipment and comprises a dehumidification rotating wheel and an air feeder which are sequentially arranged along a fresh air path. An air return path is arranged between the air outlet of the dehumidification rotating wheel and the air inlet of the air feeder; an air outlet of the air feeder is communicated with a workshop to be dehumidified; a dust removal assembly is arranged on the air return path; the dust removal assembly comprises a dry dust remover; an air inlet of the dry dust collector is communicated with a workshop to be dehumidified; after the humidity of the fresh air is effectively reduced by the dehumidification rotating wheel, the treated fresh air is conveyed to a pharmaceutical workshop with a high humidity requirement through the air feeder so as to meet the pharmaceutical requirement; due to the fact that the requirement for humidity of the gas flowing back to the dehumidification device is high, the dry type dust collector is adopted to avoid pipeline blockage caused by the fact that an air return path does not have the dehumidification capacity, and therefore secondary dehumidification is conducted on air in a workshop, and the effect of improving the overall energy efficiency is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air processing equipment, and particularly relates to a humidity control system in the production process of premixes and powders. Background Art

[0002] Premix refers to a powder or granular preparation made by uniformly mixing a drug with a suitable matrix. The moisture content of the premix will directly affect the stability and physical and chemical properties of the drug. That is, too high a moisture content will cause the product to absorb moisture, agglomerate, and have poor fluidity, thereby affecting the premix processing technology, mixing uniformity, and stability of the product during storage. Therefore, the lower the moisture content, the better the product quality. Under normal circumstances, the production process requires that the moisture content of inorganic carriers is less than 8%, the organic carrier is less than 10%, and the storage of materials requires sealing, drying, or keeping in a cool place. However, in the actual production process, pharmaceutical factories will consider the comfort of staff in the operating environment and control the relative humidity and temperature within the range of 45%-65% and 18℃~26℃ respectively. Since the materials must be opened, circulated, and temporarily stored when producing premixes, the relative humidity in a clean environment will inevitably affect the materials.

[0003] To solve the above problems, existing pharmaceutical processes often introduce corresponding rotary dehumidification equipment to accurately control temperature and humidity. However, pharmaceutical factories also generate a large amount of dust during the production process. Because the average particle size of drug dust is small and the powder is fine, it stays in the air for a long time. The filter in the general rotary dehumidifier cannot effectively intercept the extremely small drug dust, which will cause the silica gel micropores and return air duct in the dehumidification wheel to be blocked during dehumidification. To solve this problem, some powder manufacturing workshops will use fresh air rotary dehumidifier equipment for humidity control to prevent dust blockage and ensure the dehumidification performance. However, due to the fact that the fresh air rotary dehumidifier has no return air and the controllable air volume is small, if the room volume is too large, a larger size of the wheel or a larger number of fresh air rotary dehumidifiers are required to meet the purpose of accurately adjusting the humidity, which will directly increase the equipment cost. Utility Model Content

[0004] The technical problem to be solved by the utility model is: how to provide a humidity control system for the production process of premix and powder which can prevent fine dust from clogging the pipeline on the basis of ensuring the dehumidification effect.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A humidity control system for a premix and powder production process, comprising a dehumidification rotor and a blower arranged in sequence along a fresh air path;

[0007] A return air path is provided between the air outlet of the dehumidification wheel and the air inlet of the blower;

[0008] The air outlet of the blower is connected to the workshop to be dehumidified;

[0009] A dust removal component is provided on the return air path;

[0010] The dust removal assembly includes a dry dust collector;

[0011] The air inlet of the dry dust collector is connected to the workshop to be dehumidified.

[0012] Furthermore, the dust removal assembly also includes an electrostatic filter;

[0013] The electrostatic filter is arranged at the air outlet of the dry dust collector.

[0014] Furthermore, the dust removal assembly also includes a dust hopper;

[0015] The ash hopper is arranged at the lowest point of the dry dust collector, and the ash hopper is communicated with the dry dust collector.

[0016] Furthermore, the ash hopper is detachably connected to the dry dust collector.

[0017] Furthermore, a primary filter, a front surface cooler, a rear surface cooler and a medium efficiency filter are sequentially arranged along the fresh air path;

[0018] The dehumidification wheel is arranged between the air outlet of the front surface cooler and the air inlet of the rear surface cooler;

[0019] The air blower is arranged between the air outlet of the rear surface cooler and the air inlet of the medium efficiency filter;

[0020] The air outlet of the return air path is arranged between the air outlet of the dehumidification wheel and the air inlet of the rear surface cooler.

[0021] Further, a regeneration path is included;

[0022] The regeneration path is provided with a regeneration filter, a regeneration heater and a regeneration fan in sequence;

[0023] The regeneration zone of the dehumidification wheel is arranged between the air outlet of the regeneration heater and the air inlet of the regeneration fan.

[0024] The beneficial effects of the utility model are as follows: the humidity control system for the premix and powder production process provided by the utility model effectively reduces the humidity of the fresh air by the dehumidification wheel, and then transports the treated fresh air to the pharmaceutical workshop with high humidity requirements through the blower to meet the pharmaceutical needs; because the gas returned to the dehumidification device has high humidity requirements, a dry dust collector is used to avoid the return air path from being blocked due to the lack of dehumidification capacity, thereby achieving secondary dehumidification of the air in the workshop to improve the overall energy efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Shown is a schematic structural diagram of a dust removal assembly according to a specific embodiment of the utility model;

[0026] Figure 2 The figure shows a schematic diagram of the structure of a humidity control system in a premix and powder production process according to a specific embodiment of the utility model;

[0027] Description of labels:

[0028] 1. Dehumidification wheel;

[0029] 2. Blower;

[0030] 3. Dust removal components; 31. Dry dust collector; 32. Electrostatic filter; 33. Dust hopper;

[0031] 4. Primary filter;

[0032] 5. Front surface cooler;

[0033] 6. Rear surface cooler;

[0034] 7. Medium efficiency filter;

[0035] 8. Regeneration filter;

[0036] 9. Regeneration heater;

[0037] 10. Regeneration fan. DETAILED DESCRIPTION

[0038] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0039] The most critical concept of the utility model is that after the humidity of the fresh air is reduced by the dehumidification wheel, the treated fresh air is transported to the pharmaceutical workshop by the blower; because the gas returned to the dehumidification device has high humidity requirements, a dry dust collector is used to avoid the return air path from being blocked due to the lack of dehumidification capacity, thereby achieving secondary dehumidification of the air in the workshop to improve the overall energy efficiency.

[0040] Please refer to Figure 1 to Figure 2 The humidity control system for the premix and powder production process provided by the utility model comprises a dehumidification wheel 1 and a blower 2 which are sequentially arranged along the fresh air path;

[0041] A return air path is provided between the air outlet of the dehumidification wheel 1 and the air inlet of the air blower 2;

[0042] The air outlet of the air blower 2 is connected to the workshop to be dehumidified;

[0043] A dust removal component 3 is provided on the return air path;

[0044] The dust removal assembly 3 includes a dry dust collector 31;

[0045] The air inlet of the dry dust collector 31 is connected to the workshop to be dehumidified.

[0046] From the above description, it can be seen that the beneficial effects of the utility model are: providing a humidity control system for the production process of premixes and powders, after the humidity of the fresh air is effectively reduced by the dehumidification wheel 1, the treated fresh air is then transported to the pharmaceutical workshop with high humidity requirements through the blower 2 to meet the pharmaceutical needs; compared with the existing dehumidification device, it can effectively intercept the extremely small particle size of drug dust, so that the quality of the air returning to the inside of the dehumidification device can ensure the normal operation of the equipment, and in order to avoid the blockage of the return air path and reduce the overall dehumidification efficiency, a dry dust collector 31 is adopted. Compared with the existing wet dust collector, it can avoid introducing moisture into the return air path that does not have dehumidification capacity, so as to cause water vapor and part of the drug dust to mix and adhere to the return air path, thereby causing pipeline blockage; through the coordination between the above structures, the dehumidification device of the utility model can better perform secondary dehumidification on the air in the workshop to improve the overall energy efficiency.

[0047] Furthermore, the dust removal assembly 3 also includes an electrostatic filter 32;

[0048] The electrostatic filter 32 is disposed at the air outlet of the dry dust collector 31 .

[0049] From the above description, it can be seen that in order to prevent a small part of the medicine dust from flowing back into the dehumidification device through the return air path to block the dehumidification device, a corresponding electrostatic filter 32 is arranged at the air outlet of the dry dust collector 31, and the electrostatic filter 32 is electrically connected to the peripheral power supply equipment when in use, so that the escaped medicine dust can be intercepted under the adsorption effect of static electricity, thereby effectively solving the above problem.

[0050] Furthermore, the dust removal assembly 3 also includes a dust hopper 33;

[0051] The ash hopper 33 is disposed at the lowest point of the dry dust collector 31 , and the ash hopper 33 is communicated with the dry dust collector 31 .

[0052] Furthermore, the dust hopper 33 is detachably connected to the dry dust collector 31 .

[0053] Specifically, the ash hopper 33 and the dry dust collector 31 are any detachable structures that can be quickly disassembled and assembled. For example, the ash hopper 33 can be locked to the dry dust collector 31 through any connecting parts (bolts, screws, etc.). If necessary, corresponding seals (sealing rings) can be provided at the connection between the ash hopper 33 and the dry dust collector 31 to improve the sealing effect of the two, thereby preventing the collected drug dust from escaping to the external environment again; the ash hopper 33 can also be fastened to the dry dust collector 31 by means of snaps and snap rings, and corresponding seals can also be provided between the connection between the two.

[0054] From the above description, it can be seen that the ash hopper 33 arranged at the lowest point of the dry dust collector 31 can effectively collect the intercepted drug dust, and when the amount of filtered drug dust reaches a certain level, the staff can quickly export the drug dust through the detachable ash hopper 33, or replace it with a new ash hopper 33, so as to prevent the drug dust from returning to the interior of the dehumidification device again, thereby affecting the normal dehumidification effect.

[0055] Furthermore, a primary filter 4, a front surface cooler 5, a rear surface cooler 6 and a medium efficiency filter 7 are sequentially arranged along the fresh air path;

[0056] The dehumidification wheel 1 is arranged between the air outlet of the front surface cooler 5 and the air inlet of the rear surface cooler 6;

[0057] The air blower 2 is arranged between the air outlet of the rear surface cooler 6 and the air inlet of the medium efficiency filter 7;

[0058] The air outlet of the return air path is arranged between the air outlet of the dehumidification wheel 1 and the air inlet of the rear surface cooler 6 .

[0059] From the above description, it can be seen that the design has made specific improvements to the component structure of the dehumidification device. By setting the front surface cooler 5, the fresh air can condense a large amount of water under the action of low temperature, so as to achieve preliminary dehumidification and reduce the energy consumption of the subsequent dehumidification wheel 1; by setting the rear surface cooler 6, the temperature of the gas transported to the workshop to be dehumidified can be effectively controlled to meet the actual production requirements; by setting the primary filter 4 and the medium efficiency filter 7, the large particulate matter in the fresh air and the gas transported to the workshop can be effectively filtered out.

[0060] Furthermore, the humidity control system of the above-mentioned premix and powder production process also includes a regeneration path;

[0061] The regeneration path is provided with a regeneration filter 8, a regeneration heater 9 and a regeneration fan 10 in sequence;

[0062] The regeneration zone of the dehumidification wheel 1 is arranged between the air outlet of the regeneration heater 9 and the air inlet of the regeneration fan 10 .

[0063] From the above description, it can be seen that setting up a regeneration path can provide structural support for the regeneration work of the dehumidification wheel 1. The regeneration fan 10 guides the external gas to the regeneration heater 9 after being filtered by the regeneration filter 8, thereby forming a high-temperature regeneration wind. The regeneration wind takes away a large amount of moisture adsorbed by the dehumidification wheel 1, thereby restoring the moisture absorption capacity of the dehumidification wheel 1. Finally, the regeneration fan 10 discharges the high-temperature moisture to the outside to ensure that the dehumidification device can efficiently complete the dehumidification work.

[0064] The humidity control system of the utility model in the production process of premixes and powders can assist air purification work, and is particularly suitable for dehumidification occasions where the air is mixed with dust particles of extremely small particle size, such as pharmaceutical workshops.

[0065] Please refer to Figure 1 to Figure 2 , Embodiment 1 of the present utility model is:

[0066] A humidity control system for the production process of premixes and powders, comprising a primary filter 4, a front surface cooler 5, a dehumidification wheel 1, a rear surface cooler 6, a blower 2 and a medium efficiency filter 7 arranged in sequence along a fresh air path; a return air path is arranged between the air outlet of the dehumidification wheel 1 and the air inlet of the rear surface cooler 6; the air outlet of the blower 2 is connected to a workshop to be dehumidified; a dust removal component 3 is arranged on the return air path;

[0067] The dust removal assembly 3 includes a dry dust collector 31, an electrostatic filter 32, and a dust hopper 33; the air inlet of the dry dust collector 31 is connected to the workshop to be dehumidified.

[0068] The electrostatic filter 32 is arranged at the air outlet of the dry dust collector 31; the ash hopper 33 is arranged at the lowest point of the dry dust collector 31, and the ash hopper 33 is connected to the dry dust collector 31; the ash hopper 33 is detachably connected to the dry dust collector 31.

[0069] A regeneration filter 8 , a regeneration heater 9 and a regeneration fan 10 are sequentially arranged on the regeneration path; the regeneration zone of the dehumidification wheel 1 is arranged between the air outlet of the regeneration heater 9 and the air inlet of the regeneration fan 10 .

[0070] The working principle of the utility model is as follows: under the action of the air supply fan 2, the external fresh air flows through the primary filter 4, the front surface cooler 5, the dehumidification rotary wheel, the rear surface cooler 6 and the medium efficiency filter 7 in sequence, and then becomes dry clean air; and then is sent to the workshop to be dehumidified through the air supply fan 2 to meet normal production needs; when it is necessary to introduce the turbid gas in the workshop into the dehumidification device for secondary dehumidification, the turbid gas flows through the dry dust collector 31 and the electrostatic filter 32 in sequence to intercept most of the dust particles in the gas, so that the turbid gas is filtered into clean gas that meets the working requirements of the dehumidification device, and then the gas after the secondary dehumidification is returned to the workshop to achieve the purpose of saving energy consumption.

[0071] In summary, the utility model provides a humidity control system for the production process of premixes and powders. After the humidity of the fresh air is effectively reduced by the dehumidification wheel, the treated fresh air is then transported to the pharmaceutical workshop with high humidity requirements through the blower to meet the pharmaceutical needs. Compared with the existing dehumidification device, it can effectively intercept the drug dust with extremely small particle size, so that the quality of the air returned to the inside of the dehumidification device can ensure the normal operation of the equipment. In order to avoid the blockage of the return air path and reduce the overall dehumidification efficiency, a dry dust collector is adopted. Compared with the existing wet dust collector, it can avoid introducing dust into the return air path that does not have the dehumidification capacity. Into the moisture, so that the water vapor and part of the medicine dust are mixed and attached to the return air path, thereby causing the pipeline to be blocked; through the cooperation between the above structures, the dehumidification device of the utility model can better dehumidify the air in the workshop for the second time, so as to improve the overall energy efficiency; and in order to prevent a small part of the medicine dust from flowing back into the dehumidification device from the return air path again to block the dehumidification device, a corresponding electrostatic filter is arranged at the air outlet of the dry dust collector, and when in use, the electrostatic filter is electrically connected to the peripheral power supply equipment, so that the escaped medicine dust can be intercepted under the adsorption effect of static electricity, thereby better ensuring the stability of the dehumidification work.

[0072] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A humidity control system for the production process of premixes and powders, characterized in that: It includes a dehumidification rotor and a blower arranged in sequence along the fresh air path; A return air path is provided between the air outlet of the dehumidification wheel and the air inlet of the blower; The air outlet of the blower is connected to the workshop to be dehumidified; A dust removal component is provided on the return air path; The dust removal assembly includes a dry dust collector; The air inlet of the dry dust collector is connected to the workshop to be dehumidified.

2. The humidity control system for the premix and powder production process according to claim 1, characterized in that: The dust removal assembly also includes an electrostatic filter; The electrostatic filter is arranged at the air outlet of the dry dust collector.

3. The humidity control system for the premix and powder production process according to claim 1, characterized in that: The dust removal assembly also includes a dust hopper; The ash hopper is arranged at the lowest point of the dry dust collector, and the ash hopper is communicated with the dry dust collector.

4. The humidity control system for the premix and powder production process according to claim 3, characterized in that: The dust hopper is detachably connected to the dry dust collector.

5. The humidity control system for the premix and powder production process according to claim 1, characterized in that: A primary filter, a front surface cooler, a rear surface cooler and a medium efficiency filter are arranged in sequence along the fresh air path; The dehumidification wheel is arranged between the air outlet of the front surface cooler and the air inlet of the rear surface cooler; The air blower is arranged between the air outlet of the rear surface cooler and the air inlet of the medium efficiency filter; The air outlet of the return air path is arranged between the air outlet of the dehumidification wheel and the air inlet of the rear surface cooler.

6. The humidity control system for the premix and powder production process according to claim 1, characterized in that: Also included are regeneration pathways; The regeneration path is provided with a regeneration filter, a regeneration heater and a regeneration fan in sequence; The regeneration zone of the dehumidification wheel is arranged between the air outlet of the regeneration heater and the air inlet of the regeneration fan.

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