Cooling equipment for medical polyvinyl chloride production

Abstract

The utility model relates to the technical field of cooling equipment, and discloses medical polyvinyl chloride production cooling equipment which comprises a base, the top of the base is fixedly connected with a cooling box, the top of the cooling box is provided with an exhaust pipe, and the top of the exhaust pipe is provided with an exhaust assembly. The medical polyvinyl chloride production cooling equipment is provided with a mounting groove, a filter screen, a purification group, a clamping groove, a clamping block, a first spring and a pull rod, impurities in air extracted upwards by an exhaust pipe can be intercepted through the filter screen, and peculiar smell generated by polyvinyl chloride is adsorbed through activated carbon, zeolite and kieselguhr in the purification group; limiting and fixing of the purification set can be relieved only by pulling the pull rod, the purification set can be conveniently pulled out to add or replace materials in the purification set, exhausted air is well purified, pollution to the air in a factory area is reduced, and the influence on the body of a worker is reduced to a certain extent.

Description

A cooling device for medical polyvinyl chloride production Technical Field

[0001] This utility model relates to the field of cooling equipment technology, specifically to a cooling equipment for the production of medical polyvinyl chloride. Background Technology

[0002] Medical-grade polyvinyl chloride (PVC) is a polymer material widely used in the medical field. It has good compatibility with human tissues and blood, and generally does not cause serious immune or toxic reactions. It can come into contact with the human body for a certain period of time without producing significant adverse effects.

[0003] When granulating PVC melt, it needs to be cooled and solidified rapidly to form regular and uniform particle shapes. A suitable cooling rate can make the particle surface smooth and the size uniform, which is beneficial for subsequent storage, transportation and processing.

[0004] The prior art patent document CN214820768U provides a cooling device for polyvinyl chloride (PVC) production. This cooling device can quickly draw airflow from the outside of the shell into the inside through a second exhaust fan, carrying away the heat from the PVC raw materials. Finally, the heat is discharged from the exhaust pipe by the first exhaust fan. With the help of curtains, it can prevent odors from the raw materials from escaping from the shell, protecting the air environment inside the plant. The filter screen can remove impurities in the air, preventing contamination of the raw materials and affecting production quality.

[0005] The aforementioned existing technology, although the cooling device can quickly draw airflow from the outside of the casing into the interior through the second exhaust fan, carrying away the heat from the PVC raw material, and finally being discharged from the exhaust pipe by the first exhaust fan to achieve the cooling effect, has the following drawbacks: the cooling device in this patented technology intercepts the odor generated by the PVC particles through the curtain cloth and discharges it directly. The odor is not properly treated, which not only affects the air environment but also the health of the workers in the factory area. Therefore, we need a medical-grade PVC production cooling device. Summary of the Invention

[0006] The purpose of this utility model is to provide a cooling device for medical polyvinyl chloride production, in order to solve the problem in the aforementioned patented technology where the cooling device intercepts the odor generated by polyvinyl chloride particles through a curtain and directly discharges it. The odor is not properly treated, which not only affects the air environment but also the health of the workers in the factory area.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A cooling device for the production of medical polyvinyl chloride includes a base, a cooling box fixedly connected to the top of the base, an exhaust pipe on the top of the cooling box, an exhaust assembly installed on the top of the exhaust pipe, and a cleaning assembly on the inner wall of the base.

[0009] The exhaust assembly includes a mounting groove, a filter screen is engaged with the inner wall of the mounting groove, a purification unit is installed on the top of the exhaust pipe, and a slot is opened on one side of the purification unit. A locking block is engaged with the inner wall of the slot, a first spring is installed on one side of the locking block, and a pull rod is sleeved on the inner wall of the first spring.

[0010] The cleaning assembly includes a fixing plate, a second spring installed inside the fixing plate, and a scraper provided on the top of the second spring. The inner wall of the base has a sliding groove, and a slider is slidably connected to the inner wall of the sliding groove. A collection box is fixedly connected to the top of the slider.

[0011] Preferably, a fan is installed on one side of the cooling box, and a conveyor belt is installed inside the base.

[0012] Preferably, the exhaust pipe and the filter screen are connected by a mounting groove, and the shape and size of the mounting groove match the shape and size of the filter screen.

[0013] Preferably, the exhaust pipe and the purification assembly form an engaging structure via a locking block, and the shape and size of the locking block match the shape and size of the locking slot.

[0014] Preferably, the exhaust pipe forms an elastic structure with the first spring and the locking block, and one end of the pull rod passes through the inner wall of the first spring and is connected to the locking block.

[0015] Preferably, the fixing plate forms an elastic structure with the scraper through a second spring, and there are multiple second springs.

[0016] Preferably, the base forms a sliding structure with the slider via a groove, and the shape and size of the groove match the shape and size of the slider.

[0017] Compared with the prior art, the beneficial effects of this utility model are: this medical polyvinyl chloride production cooling equipment,

[0018] First, this utility model is equipped with an installation groove, a filter screen, a purification group, a card slot, a card block, a first spring, and a pull rod. The filter screen can intercept impurities in the air drawn upward by the exhaust pipe. The activated carbon, zeolite, and diatomaceous earth in the purification group can adsorb the odor produced by polyvinyl chloride. Simply pulling the pull rod can release the limiting fixation of the purification group, making it easy to remove the purification group to add or replace the internal materials. This ensures that the exhaust air is well purified, reducing pollution to the factory area and mitigating the impact on the health of workers to some extent.

[0019] Secondly, this utility model is equipped with a fixed plate, a second spring, a scraper, a slide groove, a slider, and a collection box. Under the action of the second spring, the scraper is pressed upward, so that the blade of the scraper can adhere to the surface of the conveyor belt. When the conveyor belt is circulating, the scraper can clean the residual polyvinyl chloride particles on the conveyor belt, so as to avoid affecting subsequent use if the conveyor belt is not cleaned for a long time. Foreign objects fall into the collection box and can be pulled out for cleaning, which improves the practicality of the cooling equipment. Attached Figure Description

[0020] Figure 1 is a schematic diagram of the main structure of this utility model;

[0021] Figure 2 is a schematic diagram of the front sectional view of the present invention;

[0022] Figure 3 is a schematic diagram of the exhaust pipe and filter screen structure of this utility model;

[0023] Figure 4 is an enlarged structural schematic diagram of point A in Figure 2 of this utility model;

[0024] Figure 5 is a schematic diagram of the fixing plate and scraper structure of this utility model.

[0025] In the diagram: 1. Base; 2. Cooling box; 3. Exhaust pipe; 4. Exhaust assembly; 401. Mounting slot; 402. Filter screen; 403. Purification assembly; 404. Slot; 405. Block; 406. First spring; 407. Pull rod; 5. Fan; 6. Conveyor belt; 7. Cleaning assembly; 701. Fixing plate; 702. Second spring; 703. Scraper; 704. Slide groove; 705. Slider; 706. Collection box. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please refer to Figures 1, 2, 3, 4 and 5. A cooling device for the production of medical polyvinyl chloride includes a base 1, a cooling box 2 fixedly connected to the top of the base 1, an exhaust pipe 3 provided on the top of the cooling box 2, an exhaust assembly 4 installed on the top of the exhaust pipe 3, and a cleaning assembly 7 provided on the inner wall of the base 1.

[0028] The exhaust assembly 4 includes a mounting groove 401, a filter screen 402 is engaged with the inner wall of the mounting groove 401, a purification assembly 403 is installed on the top of the exhaust pipe 3, and a slot 404 is opened on one side of the purification assembly 403. A locking block 405 is engaged with the inner wall of the slot 404, a first spring 406 is installed on one side of the locking block 405, and a pull rod 407 is sleeved on the inner wall of the first spring 406.

[0029] The cleaning component 7 includes a fixing plate 701, a second spring 702 is installed inside the fixing plate 701, and a scraper 703 is provided on the top of the second spring 702. A groove 704 is provided on the inner wall of the base 1, and a slider 705 is slidably connected to the inner wall of the groove 704. A collection box 706 is fixedly connected to the top of the slider 705.

[0030] Through the above technical solution, the filter screen 402 can intercept impurities in the air drawn upward by the exhaust pipe 3, and the activated carbon, zeolite and diatomaceous earth in the purification group 403 can adsorb the odor produced by polyvinyl chloride. Simply pull the lever 407 to release the limit fixation of the purification group 403, which is convenient to pull out the purification group 403 to add or replace the internal materials, so that the exhaust air is well purified, reducing the pollution of the factory area air and reducing the impact on the health of the workers to a certain extent.

[0031] Specifically, a fan 5 is installed on one side of the cooling box 2, and a conveyor belt 6 is installed inside the base 1.

[0032] The above technical solution facilitates the airflow from the outside of the cooling box 2 to the inside by starting the fan 5, which carries away the heat from the polyethylene raw material. The PVC particles are put in from one side of the conveyor belt 6, cooled down, and then conveyed out from the other side.

[0033] Specifically, the exhaust pipe 3 forms an engaging structure with the filter screen 402 through the mounting groove 401, and the shape and size of the mounting groove 401 match the shape and size of the filter screen 402.

[0034] The above technical solution facilitates the interception of impurities in the discharged gas through the filter screen 402, and the filter screen 402 can be directly pulled out and inserted for disassembly and installation, making it easy to clean the filter screen 402.

[0035] Specifically, the exhaust pipe 3 forms an engaging structure with the purification assembly 403 through the locking block 405, and the shape and size of the locking block 405 match the shape and size of the locking slot 404.

[0036] The above technical solution facilitates the insertion of the locking block 405 into the locking slot 404 to lock the purification unit 403 onto the top of the exhaust pipe 3, thereby fixing the purification unit 403. The purification unit 403 is equipped with activated carbon, zeolite and diatomaceous earth, which can adsorb the odor generated by polyvinyl chloride and reduce the emission of odor.

[0037] Specifically, the exhaust pipe 3 forms an elastic structure with the first spring 406 and the locking block 405, and one end of the pull rod 407 passes through the inner wall of the first spring 406 and is connected to the locking block 405.

[0038] The above technical solution facilitates the connection of the locking block 405 by extending into the locking slot 404 under the action of the first spring 406. By pulling the lever 407 by hand, the locking block 405 can be moved outward and disengaged from the locking slot 404. At the same time, the first spring 406 will be compressed. When released, the locking block 405 can be returned to the locking slot 404, thus achieving the effect of facilitating the disassembly and installation of the purification unit 403.

[0039] Specifically, the fixing plate 701 forms an elastic structure with the scraper 703 through the second spring 702, and there are multiple second springs 702.

[0040] The above technical solution ensures that the scraper 703 on the top of the fixed plate 701 is always pressed upward under the action of the second spring 702, so that the blade of the scraper 703 is always flush with the surface of the conveyor belt 6, and the scraper 703 can scrape and clean the residual foreign matter on the surface of the conveyor belt 6 when it rotates.

[0041] Specifically, the base 1 forms a sliding structure with the slider 705 via the groove 704, and the shape and size of the groove 704 match the shape and size of the slider 705.

[0042] The above technical solution facilitates the collection of foreign objects scraped off by the scraper 703 into the collection box 706, which collects them. The collection box 706 can be easily pulled out from the base 1 by the slider 705, making it convenient to clean the foreign objects inside the collection box 706.

[0043] Working Principle: When using this medical PVC production cooling equipment, firstly, PVC granules are placed on one side of conveyor belt 6. Then, fan 5 and conveyor belt 6 are started. Fan 5 blows air onto the PVC granules on conveyor belt 6 to cool them, and exhaust pipe 3 draws air upwards from the cooling chamber 2. Impurities in the air are filtered through filter screen 402. The air then passes through purification group 403. The activated carbon, zeolite, and diatomaceous earth in purification group 403 absorb the odor produced by PVC, reducing odor emissions. When materials need to be added to purification group 403, simply pull lever 407 outwards by hand, causing the locking block 405 to disengage from slot 404, releasing the pressure on the material. The purification unit 403 is fixed by pulling it upwards. Then, the bottom of the added purification unit 403 is reinserted into the top of the exhaust pipe 3 until it is fully inserted. After that, the pull rod 407 is released. Under the action of the first spring 406, the locking block 405 can be inserted into the locking slot 404 to fix the purification unit 403 again. At the same time, the scraper 703 can scrape off the foreign objects remaining on the conveyor belt 6 at the bottom, causing the foreign objects to fall into the collection box 706. The collection box 706 can be pulled out by hand to clean the foreign objects inside. This completes the work. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit defined by the appended claims and their equivalents.

Claims

1. A cooling device for medical polyvinyl chloride production, comprising a base (1), characterized in that: A cooling box (2) is fixedly connected to the top of the base (1), and an exhaust pipe (3) is provided on the top of the cooling box (2). An exhaust assembly (4) is installed on the top of the exhaust pipe (3), and a cleaning assembly (7) is provided on the inner wall of the base (1). The exhaust assembly (4) includes a mounting groove (401), and a filter screen (402) is snapped onto the inner wall of the mounting groove (401). A purification group (403) is installed on the top of the exhaust pipe (3), and a slot (404) is provided on one side of the purification group (403). A card slot (404) is snapped onto the inner wall of the slot (404). Block (405), a first spring (406) is installed on one side of the block (405), and a pull rod (407) is sleeved on the inner wall of the first spring (406); the cleaning component (7) includes a fixing plate (701), a second spring (702) is installed inside the fixing plate (701), and a scraper (703) is provided on the top of the second spring (702); a sliding groove (704) is opened on the inner wall of the base (1), and a slider (705) is slidably connected to the inner wall of the sliding groove (704); a collection box (706) is fixedly connected to the top of the slider (705).

2. The medical polyvinyl chloride production cooling equipment according to claim 1, characterized in that: A fan (5) is installed on one side of the cooling box (2), and a conveyor belt (6) is installed inside the base (1).

3. The medical polyvinyl chloride production cooling equipment according to claim 1, characterized in that: The exhaust pipe (3) forms a locking structure with the filter screen (402) through the mounting groove (401), and the shape and size of the mounting groove (401) match the shape and size of the filter screen (402).

4. The medical polyvinyl chloride production cooling equipment according to claim 1, characterized in that: The exhaust pipe (3) is connected to the purification unit (403) by a locking block (405), and the shape and size of the locking block (405) match the shape and size of the slot (404).

5. The medical polyvinyl chloride production cooling equipment according to claim 1, characterized in that: The exhaust pipe (3) forms an elastic structure with the first spring (406) and the locking block (405), and one end of the pull rod (407) passes through the inner wall of the first spring (406) and is connected to the locking block (405).

6. The medical polyvinyl chloride production cooling equipment according to claim 1, characterized in that: The fixing plate (701) forms an elastic structure with the scraper (703) through the second spring (702), and there are multiple second springs (702).

7. The medical polyvinyl chloride production cooling equipment according to claim 1, characterized in that: The base (1) forms a sliding structure with the slider (705) through the groove (704), and the shape and size of the groove (704) match the shape and size of the slider (705).

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