CN218342576U - Underwater granule cutting scale prevention equipment - Google Patents
Underwater granule cutting scale prevention equipment Download PDFInfo
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- CN218342576U CN218342576U CN202223326167.6U CN202223326167U CN218342576U CN 218342576 U CN218342576 U CN 218342576U CN 202223326167 U CN202223326167 U CN 202223326167U CN 218342576 U CN218342576 U CN 218342576U
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Abstract
The embodiment of the utility model provides a cut grain scale prevention equipment under water relates to plastics and cuts the grain field under water. Aims to solve the problem that the underwater grain cutting of plastics is easy to introduce impurities and influence the quality of material grains. The underwater granulating and scale preventing equipment comprises an underwater granulating system, a circulating cooling water system and a cold-heat exchanger; the underwater pelletizing system is used for performing underwater pelletizing soft water circulation; the circulating cooling water system and the underwater pelletizing system are connected with the cold-heat exchanger, and the circulating cooling water system and the underwater pelletizing system exchange heat through the cold-heat exchanger to cool the underwater pelletizing system. The water in contact with the material particles in the underwater granulating system adopts soft water internal circulation, the water of the circulating cooling water system is external circulation, the soft water of the internal circulation carries out heat transfer with the water of the external circulation through the cold-heat exchanger, the underwater granulating system is prevented from contacting with the external environment, the pollution of impurities and algae is avoided, and the quality of underwater granulating particles is ensured.
Description
Technical Field
The utility model relates to a plastics are cut grain field under water, particularly, relate to a cut grain scale prevention equipment under water.
Background
In the current plastic extrusion industry, the plastic particle forming generally adopts an underwater grain cutting mode. Circulating water is generally used for underwater pelletizing water in consideration of environmental protection and energy consumption cost. During continuous cold and heat exchange and contact with the external environment, the circulating water is mixed with more dust, impurities and microbial spores of bacteria and algae, so that a large amount of algae are generated in the circulating water tank and the cold and heat exchange equipment; meanwhile, the conventional water temperature of the underwater cutting system is between 30 and 70 ℃, the continuous heat exchange leads to the continuous increase of the salinity of the circulating water, a large amount of scale is formed on the inner wall of the underwater cutting pipeline and the surface of a component, the scale is continuously accumulated and intermittently falls off and is mixed into a finished product, and great quality accidents are caused.
Circulating water is adopted to directly contact with the material particles, so that the circulating water used for a long time has many impurities and high salinity, scale is easily generated due to the high salinity, and the scale and the impurities in the water are mixed into the material particles to generate hidden quality troubles for products.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cut grain scale prevention equipment under water, it can improve plastics and cut grain easily and introduce impurity under water, influences the problem of material grain quality.
The embodiment of the utility model discloses a can realize like this:
the embodiment of the utility model provides an underwater granulating scale-proof device, which comprises an underwater granulating system, a circulating cooling water system and a cold-heat exchanger; the underwater pelletizing system is used for performing underwater pelletizing soft water circulation; the circulating cooling water system and the underwater pelletizing system are both connected with the cold-heat exchanger, and carry out heat exchange through the cold-heat exchanger so as to cool the underwater pelletizing system; the underwater granulating and scale preventing equipment also comprises a soft water system; the soft water system with cut grain system connection under water, the soft water system be used for to cut grain system transport soft water under water.
Additionally, the embodiment of the utility model provides an it can also have following additional technical characterstic to cut grain scale prevention equipment under water:
optionally, the underwater pelletizing system comprises an underwater pelletizing water tank and a drain pipe arranged on the underwater pelletizing water tank;
the underwater granulating and scale preventing equipment also comprises a conductivity detector and an electromagnetic valve; the conductivity detector is arranged in the underwater pelletizing water tank, the electromagnetic valve is arranged on the drain pipe, and the electromagnetic valve is used for opening the drain pipe when the data detected by the conductivity detector exceeds first preset data; or the electromagnetic valve is used for closing the drain pipe under the condition that the data detected by the conductivity detector is lower than second preset data.
Optionally, the soft water system comprises a soft water storage tank and a water supply pipe; the water supply pipe is connected with the soft water storage tank and the underwater pelletizing water tank and is used for conveying soft water to the underwater pelletizing water tank;
granule cutting scale prevention equipment still includes the ball-cock assembly under water, the ball-cock assembly sets up on the delivery pipe, the ball-cock assembly is used for cutting the water level in the grain water tank under water and opens under the condition that predetermines the water level the delivery pipe, perhaps the ball-cock assembly is used for cutting the water level in the grain water tank under water and reaches close under the condition of predetermineeing the water level the delivery pipe.
Optionally, the soft water system further comprises a reverse osmosis apparatus for filtering hard water flowing to the water supply pipe into soft water.
Optionally, the underwater pelletizing and scale preventing equipment further comprises a water inlet pipe and a regulating valve; recirculated cooling water system with cold heat exchanger's water inlet passes through advance water piping connection, the governing valve sets up on the inlet tube, the governing valve is used for control the flow of inlet tube.
Optionally, the number of the underwater pelletizing system is multiple, and the number of the cold-heat exchanger is multiple;
the underwater pelletizing systems are connected with the cold heat exchangers in a one-to-one correspondence mode, and the cold heat exchangers are all connected with the circulating cooling water system.
Optionally, the circulating cooling water system comprises a first circulating water pond, a cooling tower and a second circulating water pond; first circulating water pond the cooling tower and second circulating water pond and every cold and heat exchanger is end to end connection in proper order respectively.
Optionally, the number of the water inlet pipes is multiple; the underwater granule cutting and scale preventing equipment also comprises a plurality of water outlet pipes;
the plurality of water inlet pipes are respectively communicated with the water inlets of the plurality of cold and heat exchangers in a one-to-one correspondence manner, and the plurality of water inlet pipes are communicated with the second circulating water tank; the water outlet pipes are communicated with the water outlets of the cold-heat exchangers in a one-to-one correspondence mode, and the water outlet pipes are communicated with the first circulating water tank.
Optionally, the quantity of governing valve is a plurality of, and is a plurality of the governing valve sets up respectively in a plurality of on the inlet tube, it is a plurality of the governing valve is used for controlling respectively the flow of inlet tube.
The utility model discloses cut grain scale prevention equipment's beneficial effect under water includes, for example:
the underwater granulating and scale preventing equipment comprises an underwater granulating system, a circulating cooling water system and a cold-heat exchanger; the underwater pelletizing system is used for performing underwater pelletizing soft water circulation; the circulating cooling water system and the underwater pelletizing system are connected with the cold-heat exchanger, and the circulating cooling water system and the underwater pelletizing system exchange heat through the cold-heat exchanger to cool the underwater pelletizing system.
The water that contacts with the material grain in the grain system of cutting under water adopts soft water inner loop, and the water of recirculated cooling water system is the extrinsic cycle, and the soft water of inner loop carries out the heat transfer through cold heat exchanger and extrinsic cycle's water, avoids cutting grain system and external environment contact under water, stops the pollution of impurity, alga, guarantees to cut the clean of grain system under water, guarantees to cut the quality of grain under water.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
Fig. 1 is a schematic view of an underwater granule cutting and scale preventing device provided by an embodiment of the present invention;
fig. 2 is a partial schematic view of the underwater granule cutting scale prevention device provided by the embodiment of the present invention.
Icon: 10-underwater grain cutting and scale preventing equipment; 100-an underwater pelletizing system; 110-underwater pelletizing water tank; 120-drain pipe; 200-a circulating cooling water system; 210-a first circulating water tank; 220-a cooling tower; 230-a second circulating water pool; 300-a cold-heat exchanger; 400-soft water system; 410-soft water storage tank; 420-a water supply pipe; 500-conductivity detector; 510-a solenoid valve; 600-a ball float valve; 700-water inlet pipe; 710-outlet pipe.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are only used to distinguish one description from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The underwater granule cutting scale prevention apparatus 10 provided in the present embodiment will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1, an embodiment of the present invention provides an underwater pelletizing scale prevention apparatus 10, which includes an underwater pelletizing system 100, a circulating cooling water system 200, and a heat-cold exchanger 300; the underwater pelletizing system 100 is used for performing underwater pelletizing soft water circulation; the circulating cooling water system 200 and the underwater pelletizing system 100 are both connected with the heat exchanger 300, and the circulating cooling water system 200 and the underwater pelletizing system 100 exchange heat through the heat exchanger 300 to cool the underwater pelletizing system 100.
The underwater pelletizing system 100 and the circulating cooling water system 200 are independent water circuit circulation respectively, the water in the underwater pelletizing system 100 contacting with underwater pellets is soft water to realize internal circulation, the water in the circulating cooling water system 200 is external circulation, the soft water in the internal circulation is in heat transfer with the water in the external circulation through the cold-heat exchanger 300, the soft water in the internal circulation is not in contact with the water in the external circulation and only exchanges heat with the cold-heat exchanger, scale or impurities in the water in the external circulation cannot enter the soft water in the internal circulation, namely, the water in the circulating cooling water system 200 and the water in the underwater pelletizing system 100 cannot be polluted mutually, more importantly, the water in the circulating cooling water system 200 cannot bring impurities into the underwater pelletizing system 100, the contact area with the external environment is eliminated, the pollution of impurities and algae is avoided, the soft water is used for underwater pelletizing circulation, a better soft water environment is provided for underwater pellets, and the quality of underwater pellets is ensured.
The recirculating cooling water system 200 cools the soft water in the underwater pelletizing system 100 through the heat exchanger 300 to provide a suitable underwater pelletizing temperature environment.
Referring to fig. 1, in the present embodiment, the underwater granule cutting scale prevention apparatus 10 further includes a water softening system 400; soft water system 400 is connected to underwater pelletizing system 100, and soft water system 400 is used to deliver soft water to underwater pelletizing system 100.
Referring to fig. 1 and 2, in the present embodiment, an underwater pelletizing system 100 includes an underwater pelletizing water tank 110 and a drain 120 disposed on the underwater pelletizing water tank 110; the underwater pelletizing and scale preventing equipment 10 further comprises a conductivity detector 500 and an electromagnetic valve 510; the conductivity detector 500 is arranged in the underwater pelletizing water tank 110, the electromagnetic valve 510 is arranged on the water drainage pipe 120, and the electromagnetic valve 510 is used for opening the water drainage pipe 120 when the data detected by the conductivity detector 500 exceeds first preset data; or the solenoid valve 510 is used to close the drain pipe 120 in case the data detected by the conductivity detector 500 is lower than the second preset data.
The scale is generated by calcium and magnesium ions, carbonate, bicarbonate, sulfate radical and the like in water, and when the temperature reaches a certain value, the calcium and magnesium ions in the water are combined with the acid radical to generate calcium carbonate, magnesium carbonate, calcium sulfate and the like to precipitate, so that the scale is formed. The content of calcium and magnesium ions in the water can be detected by the conductivity detector 500.
The underwater pelletizing water tank 110 is internally provided with a conductivity detector 500, the water discharge pipe 120 is provided with an electromagnetic valve 510, the opening and closing of the electromagnetic valve 510 are controlled by the detection data feedback of the conductivity detector 500, and the upper limit and the lower limit of the conductivity value can be set. The first preset data is an upper limit value of the conductivity, and the second preset data is a lower limit value of the conductivity.
When the conductivity value is greater than the first preset data, the solenoid valve 510 is opened, and the soft water is discharged to the outside through the water discharge pipe 120; when the value of the electrical conductivity is lower than the second preset value, the electromagnetic valve 510 is closed, and the discharge of the circulating soft water in the water tank is stopped. The conductivity of the water can be controlled by the conductivity detector 500 and the solenoid valve 510. Specifically, the conductivity detector 500 is electrically connected to the solenoid valve 510. Other valves may be used in addition to the solenoid valve 510 to control the opening or closing of the drain line 120.
Referring to fig. 1 and 2, in the present embodiment, the soft water system 400 includes a soft water storage tank 410 and a water supply pipe 420; a water supply pipe 420 is connected to the soft water storage tank 410 and the underwater pelletizer water tank 110, and the water supply pipe 420 is used for supplying soft water to the underwater pelletizer water tank 110; underwater granule cutting scale prevention apparatus 10 further comprises a float valve 600, float valve 600 is provided on water supply pipe 420, float valve 600 is used for opening water supply pipe 420 in case that the water level in underwater granule cutting water tank 110 is lower than a preset water level, or float valve 600 is used for closing water supply pipe 420 in case that the water level in underwater granule cutting water tank 110 reaches the preset water level.
When the value of the electrical conductivity is greater than the first preset data, the solenoid valve 510 is opened, the soft water is discharged to the outside through the water discharge pipe 120, and the circulating soft water in the water tank is discharged to the outside, and when the level of the soft water is lower than the preset level, the water supply pipe 420 is opened, and the soft water storage tank 410 supplies new soft water to the lower cut grain water tank 110; when the conductivity value is smaller than the second preset data, the electromagnetic valve 510 is closed, the discharge of the circulating soft water in the water tank is stopped, and at this time, if the underwater granule cutting water tank 110 does not reach the water level, the water supply pipe 420 continues to supply water until the water level reaches the preset water level, and the water supply pipe 420 is closed. If the water level reaches the predetermined water level when the electrical conductivity is still greater than the second predetermined data, at this time, the electromagnetic valve 510 is not closed, the water discharging pipe 120 continues to discharge water, the water level decreases, and the water supplying pipe 420 is opened to continue supplying soft water until the electrical conductivity of the soft water in the underwater pellet water tank 110 is lower than the second predetermined data, and the water level reaches the predetermined water level.
In this embodiment, the water softening system 400 further includes a reverse osmosis device for filtering the hard water flowing to the water supply pipe 420 into soft water. The reverse osmosis unit is used to filter hard water into soft water, and the soft water flowing to the water supply pipe 420 is treated by the reverse osmosis unit.
A set of reverse osmosis soft water system 400 is additionally arranged, the conductivity of the prepared soft water is less than or equal to 20 mu S/cm, the soft water storage tank 410 is connected with the underwater pelletizing system 100 and is controlled by a ball float valve 600 to keep the water level in the underwater pelletizing water tank 110 constant and appropriate. The water used for contacting the granules is soft water.
Referring to fig. 1 and 2, in the present embodiment, the underwater pelletizing and scale preventing apparatus 10 further includes a water inlet pipe 700 and a regulating valve; the recirculating cooling water system 200 is connected to the inlet of the cold-heat exchanger 300 through a water inlet pipe 700, and a regulating valve is provided on the water inlet pipe 700 for controlling the flow rate of the water inlet pipe 700. Specifically, the regulating valve is a manual regulating valve, and a solenoid valve 510 may also be used.
The underwater pelletizer water tank 110 is connected to the heat exchanger 300, the cooling medium uses the circulating water of the circulating cooling water system 200, the cooling medium is equipped with a regulating valve by a water inlet pipe 700, and the temperature control of the soft water in the underwater pelletizer water tank 110 can be realized by regulating the size of the valve. The temperature of the soft water in the underwater pelletizing system 100 is controlled by controlling the amount of cooling water flowing from the circulating cooling water system 200 to the heat exchanger 300.
Referring to fig. 1, in the present embodiment, there are a plurality of underwater pelletizing systems 100 and a plurality of heat exchangers 300; the plurality of underwater pelletizing systems 100 are connected with the plurality of cold-heat exchangers 300 in a one-to-one correspondence manner, and the plurality of cold-heat exchangers 300 are connected with the circulating cooling water system 200.
The circulating cooling water system 200 simultaneously cools and reduces the temperature of the plurality of underwater pelletizing systems 100 through the plurality of heat exchangers 300.
Referring to fig. 1, in the present embodiment, the number of the water supply pipes 420 is plural; the plurality of water supply pipes 420 are connected to the plurality of underwater pelletizer water tanks 110 in a one-to-one correspondence. The soft water system 400 supplies soft water to the different underwater pellet water tanks 110 through water supply pipes 420, respectively.
Referring to fig. 1, in the present embodiment, a circulating cooling water system 200 includes a first circulating water tank 210, a cooling tower 220, and a second circulating water tank 230; the first circulating water tank 210, the cooling tower 220 and the second circulating water tank 230 are sequentially connected with each of the cold heat exchanger 300 end to end.
The phrase "the first circulating water bath 210, the cooling tower 220, and the second circulating water bath 230 are sequentially connected to each of the cold-heat exchangers 300 end to end" means that each of the cold-heat exchangers 300 is connected to the circulation of the first circulating water bath 210, the cooling tower 220, and the second circulating water bath 230. The water in the circulating cooling water system 200 enters each cold-heat exchanger 300, and after the cold-heat exchange with the underwater pelletizing system 100 is completed, the water flows back to the circulating cooling water system 200.
The water in the first circulating water pool 210 enters the cooling tower 220, the cooling tower 220 enters the second circulating water pool 230 after being cooled, and then enters the heat exchanger 300 to cool the underwater pelletizing system 100, and then flows back to the first circulating water pool 210 to continue to enter the cooling tower 220 for cooling, so that the circulation is repeated, and the underwater pelletizing system 100 is continuously cooled.
Referring to fig. 1, in the present embodiment, the number of the water inlet pipes 700 is plural; the underwater granule cutting and scale preventing equipment 10 also comprises a plurality of water outlet pipes 710; the plurality of water inlet pipes 700 are respectively communicated with the water inlets of the plurality of cold-heat exchangers 300 in a one-to-one correspondence, and the plurality of water inlet pipes 700 are all communicated with the second circulating water tank 230; the plurality of water outlet pipes 710 are respectively communicated with the water outlets of the plurality of cold heat exchangers 300 in a one-to-one correspondence, and the plurality of water outlet pipes 710 are all communicated with the first circulating water tank 210.
The water outlet pipe 710, the first circulating water tank 210, the cooling tower 220, the second circulating water tank 230, the water inlet pipe 700 and the cold-heat exchanger 300 are sequentially connected end to end, and each cold-heat exchanger 300 independently forms a circulating loop of sequentially connecting the water outlet pipe 710, the first circulating water tank 210, the cooling tower 220, the second circulating water tank 230, the water inlet pipe 700 and the cold-heat exchanger 300 end to end.
In other embodiments, the second circulating water tank 230 is simultaneously communicated with a plurality of water inlet pipes 700 through one pipe, and the plurality of water inlet pipes 700 are sequentially connected to a plurality of cold and heat exchangers 300. Similarly, the first circulating water tank 210 is simultaneously communicated with the plurality of water outlet pipes 710 through one pipeline, and the plurality of water outlet pipes 710 are sequentially connected with the plurality of cold-heat exchangers 300.
In this embodiment, the number of regulating valves is a plurality of, and a plurality of regulating valves set up respectively on a plurality of inlet tubes 700, and a plurality of regulating valves are used for controlling the flow of inlet tube 700 respectively. In other embodiments, one regulating valve may control the flow of a plurality of water inlet pipes 700 at the same time.
According to the underwater anti-scaling device 10 provided by the embodiment, the working principle of the underwater anti-scaling device 10 is as follows: through keeping apart granule system 100 and recirculated cooling water system 200 under water, utilize cold and hot exchanger 300 to carry out the heat exchange, when realizing the cooling, can not introduce impurity or incrustation scale, guarantee granule system 100's under water cleanness.
The underwater pelletizing and scale preventing equipment 10 provided by the embodiment at least has the following advantages:
the water in the underwater pelletizing system 100 contacting with the material particles adopts soft water internal circulation, the water of the circulating cooling water system 200 is external circulation, and the soft water in the internal circulation is in heat transfer with the water in the external circulation through the cold-heat exchanger 300, so that the contact area of the underwater pelletizing system 100 and the external environment is eliminated, and the pollution of impurities and algae is avoided.
The conductivity of the underwater pelletizing water tank 110 is controlled by the conductivity detector 500 and the electromagnetic valve 510. The water level of underwater pelletizer water tank 110 is controlled by a float valve 600. The soft water of the internal circulation is ensured to be in the temperature range required by the process by adjusting the flow control of the valve.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An underwater anti-scaling device for granulating, which is characterized by comprising:
an underwater pelletizing system (100), a circulating cooling water system (200), a cold-heat exchanger (300) and a soft water system (400);
the underwater pelletizing system (100) is used for performing underwater pelletizing soft water circulation;
the circulating cooling water system (200) and the underwater pelletizing system (100) are both connected with the heat exchanger (300), and the circulating cooling water system (200) and the underwater pelletizing system (100) exchange heat through the heat exchanger (300) to cool the underwater pelletizing system (100);
soft water system (400) with cut grain system (100) and be connected under water, soft water system (400) be used for to cut grain system (100) transport soft water under water.
2. The underwater pelletizing scale prevention apparatus of claim 1, wherein:
the underwater pelletizing system (100) comprises an underwater pelletizing water tank (110) and a drain pipe (120) arranged on the underwater pelletizing water tank (110);
the underwater pelletizing and scale preventing equipment also comprises a conductivity detector (500) and an electromagnetic valve (510); the conductivity detector (500) is arranged in the underwater pelletizing water tank (110), the electromagnetic valve (510) is arranged on the water drainage pipe (120), and the electromagnetic valve (510) is used for opening the water drainage pipe (120) when the data detected by the conductivity detector (500) exceeds first preset data; or the solenoid valve (510) is used for closing the drain pipe (120) when the data detected by the conductivity detector (500) is lower than second preset data.
3. The underwater pelletizing scale prevention apparatus of claim 2, wherein:
the soft water system (400) comprises a soft water storage tank (410) and a water supply pipe (420); the water supply pipe (420) is connected with the soft water storage tank (410) and the underwater pelletizing water tank (110), and the water supply pipe (420) is used for conveying soft water to the underwater pelletizing water tank (110);
pelletizing equipment still includes ball-cock assembly (600) under water, ball-cock assembly (600) set up on the delivery pipe (420), ball-cock assembly (600) are used for cutting grain water tank (110) under water and open under the condition of predetermineeing the water level water supply pipe (420), perhaps ball-cock assembly (600) are used for cutting grain water tank (110) under water level reaches close under the condition of predetermineeing the water level water supply pipe (420).
4. The underwater pelletizing scale prevention apparatus of claim 3, wherein:
the soft water system (400) further includes a reverse osmosis device for filtering hard water flowing to the water supply pipe (420) into soft water.
5. The underwater pelletizing scale prevention apparatus of claim 1, wherein:
the underwater granulating and scale preventing equipment also comprises a water inlet pipe (700) and an adjusting valve; the circulating cooling water system (200) with the water inlet of cold heat exchanger (300) passes through inlet tube (700) are connected, the governing valve sets up on inlet tube (700), the governing valve is used for controlling the flow of inlet tube (700).
6. The underwater pelletizing scale prevention apparatus of claim 5, wherein:
the underwater pelletizing system (100) is in plurality, and the cold-heat exchanger (300) is in plurality;
the plurality of underwater pelletizing systems (100) are connected with the plurality of cold-heat exchangers (300) in a one-to-one correspondence manner, and the plurality of cold-heat exchangers (300) are connected with the circulating cooling water system (200).
7. The underwater pelletizing scale prevention apparatus of claim 6, wherein:
the circulating cooling water system (200) comprises a first circulating water pool (210), a cooling tower (220) and a second circulating water pool (230); the first circulating water pool (210), the cooling tower (220) and the second circulating water pool (230) are sequentially connected end to end with the cold-heat exchanger (300) respectively.
8. The underwater pelletizing scale prevention apparatus of claim 7, wherein:
the number of the water inlet pipes (700) is multiple; the underwater pelletizing and scale preventing equipment also comprises a plurality of water outlet pipes (710);
the plurality of water inlet pipes (700) are respectively communicated with the water inlets of the plurality of cold-heat exchangers (300) in a one-to-one correspondence manner, and the plurality of water inlet pipes (700) are communicated with the second circulating water tank (230); the water outlet pipes (710) are respectively communicated with the water outlets of the cold-heat exchanger (300) in a one-to-one correspondence manner, and the water outlet pipes (710) are communicated with the first circulating water pool (210).
9. The underwater pelletizing scale prevention apparatus of claim 8, wherein:
the quantity of governing valve is a plurality of, and is a plurality of the governing valve sets up respectively in a plurality of inlet tube (700) is last, and is a plurality of the governing valve is used for controlling respectively the flow of inlet tube (700).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223326167.6U CN218342576U (en) | 2022-12-13 | 2022-12-13 | Underwater granule cutting scale prevention equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223326167.6U CN218342576U (en) | 2022-12-13 | 2022-12-13 | Underwater granule cutting scale prevention equipment |
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| CN218342576U true CN218342576U (en) | 2023-01-20 |
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| CN202223326167.6U Active CN218342576U (en) | 2022-12-13 | 2022-12-13 | Underwater granule cutting scale prevention equipment |
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