CN114046652A - Integrated circulating cold water heat exchange system of dehumidification mechanism and dehumidification mechanism of drying machine - Google Patents
Integrated circulating cold water heat exchange system of dehumidification mechanism and dehumidification mechanism of drying machine Download PDFInfo
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- CN114046652A CN114046652A CN202111408081.5A CN202111408081A CN114046652A CN 114046652 A CN114046652 A CN 114046652A CN 202111408081 A CN202111408081 A CN 202111408081A CN 114046652 A CN114046652 A CN 114046652A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
Abstract
The invention discloses an integrated circulating cold water heat exchange system of a dehumidification mechanism and a dehumidification mechanism of a dryer, and the key points of the innovative scheme are as follows: the existing distributed circulating cold water heat exchange system is improved into an integrated circulating cold water heat exchange system which comprises a plate type radiator, a circulating water pump, a circulating water tank, an integrated chassis, a surface cooler, a cooling tower and a circulating water pipeline; all elements between the surface cooler and the cooling tower are installed on the integrated chassis in a centralized manner; the circulating water pump provides power, so that the circulating cold water heat exchange of the surface cooler can be realized, and the cooling of the condensing chamber is realized. The whole structure is compact, the field installation is rapid, and the transfer and the transportation are convenient. The drying machine dehumidification mechanism adopts the circulating cold water heat exchange system, and solves the technical problems that all parts of the circulating cold water heat exchange system are separately and separately arranged on a circulating pipeline, the field installation workload is large, the transfer and the transportation are inconvenient, the structure is loose, the field area is large, and the overall appearance of the equipment is influenced; the occupied area is saved, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of closed filter cake dryers and refrigeration, and relates to a circulating cold water heat exchange system of a filter cake dehumidification mechanism.
Background
The drier is a mechanical device which reduces the moisture of materials by using heat energy; the filter cake dryer is a dryer for continuously drying and subsequently treating the filter cake formed by the operation of the filter press; the closed filter cake dryer is an environment-friendly normal-pressure continuous convection type filter cake dryer with a fully closed structure; the device mainly comprises a closed compartment, a filter cake crushing and slitting mechanism, a filter cake conveying mechanism, a high-low temperature drying system and a PLC program control system. The filter cake crushing and strip cutting mechanism comprises a filter cake stirring mechanism and a filter cake strip extruding mechanism; the filter cake conveying mechanism comprises a speed reducing motor and a double-layer conveying mesh belt; the high-low temperature drying system comprises a thermal circulation mechanism and a dehumidification mechanism; the drying device is suitable for drying wet materials with the water content of about 30 percent into dry materials with the water content of about 10 percent, and the drying rate is freely adjustable.
The basic working process of the dryer is as follows: the wet filter cake material is conveyed to a filter cake crushing and slitting mechanism of a dryer through an external conveyor, and continuously enters a double-layer conveying mesh belt of a filter cake conveying mechanism in a closed chamber body after being crushed and slit, wet filter cakes on an upper layer conveying mesh belt are dried by convection hot air of a thermal circulation mechanism through a high-temperature drying area (moisture in the wet filter cakes is evaporated into steam in a heat absorption mode), primary dry filter cakes on a lower layer conveying mesh belt are subjected to dehumidification and drying of a dehumidification mechanism through a low-temperature dehumidification area (the hot steam is condensed into water when meeting cold and heat), and finally the dry filter cakes with the moisture content reaching the standard are output to the outside of a closed chamber of the dryer. The complete working flow of the dryer is as follows: (1) and (3) filter cake flow: filter cake inlet → crushing mechanism → strip squeezing mechanism → upper layer conveying mesh belt → lower layer conveying mesh belt → discharge port; (2) a thermal cycle process: heating compressor → heat exchanger → primary heater → secondary heater → cross flow heat exchanger → circulating air heater → upper air-equalizing plate → high temperature drying area, wet cake strip of upper layer conveying mesh belt is dried; (3) a cold circulation flow: the primary drying cake strips of the refrigeration compressor → the cold water evaporator → the condenser → the surface cooler → the circulating cold water heat exchange system → the low-temperature dehumidification area (liquefaction chamber) and the lower layer conveying mesh belt are dehumidified and dried.
The dehumidification mechanism, namely a dehumidification and drying mechanism of low-temperature condensation steam at 7-30 ℃, comprises a refrigeration compressor, a cold water evaporator (gasification heat absorption refrigeration), a condenser (refrigeration parts), a surface cooler and a circulating cold water heat exchange system; the drying device is used for condensing steam evaporated by the wet cake strips in the high-temperature drying area into water and further drying the primarily dried cake strips. The circulating cold water heat exchange system belongs to a distributed circulating cold water heat exchange system and comprises a radiator, a circulating water pump, a water tank and a circulating pipeline; the two ends of the circulating pipeline are respectively connected with the surface cooler and the cooling tower, and the radiator, the circulating water pump and the water tank are dispersedly arranged on the circulating pipeline; the circulating cold water is used for cooling the condensation chamber of the low-temperature dehumidification area.
The existing distributed circulating cold water heat exchange system has the following defects: all parts of the circulating cold water heat exchange system are separately and dispersedly installed on a circulating pipeline, the field installation workload is large, the transfer and the transportation are inconvenient, the structure is loose, the field area is large, and the integral appearance of the equipment is influenced; the requirements of users for compact equipment, quick installation and convenient transportation cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the existing distributed circulating cold water heat exchange system, solve the technical problems that all parts of the circulating cold water heat exchange system are separately and separately arranged on a circulating pipeline, the field installation workload is large, the transfer and the transportation are inconvenient, the structure is loose, the field area is large, and the integral appearance of equipment is influenced, and provide the integrated circulating cold water heat exchange system of the dehumidifying mechanism and the dehumidifying mechanism of the drier; the invention relates to a dehumidifier of a dryer, in particular to a dehumidifier of an integrated circulating cold water heat exchange system with the dehumidifier, which is abbreviated for short because the number of characters of the patent name is limited.
The invention solves the problems of the prior art and adopts the innovative technical scheme that: the integrated circulating cold water heat exchange system of the dehumidification mechanism (hereinafter referred to as the integrated circulating water heat exchange system) has the key point of the overall technical scheme that compared with the prior art, the innovative overall structure has the prominent substantive characteristics that: the existing distributed circulating cold water heat exchange system is improved into an integrated circulating cold water heat exchange system which comprises a plate type radiator, a circulating water pump, a circulating water tank, a water tank bracket, an integrated chassis, a pressure gauge, a thermometer, a dual-purpose pipeline (a dual-suction flow and tank water return dual-purpose pipeline), an overflow and drainage flow combining pipeline and a Y-shaped filter; the complete circulating water heat exchange system also comprises a surface cooler and a cooling tower, and only an integrated part is protruded for the convenience of description; all elements between the surface cooler and the cooling tower are intensively arranged on the integrated chassis, so that the integral structure is compact, the field installation is rapid, the transfer and the transportation are convenient, and the appearance is attractive; therefore, the technical problems that all parts of the circulating cold water heat exchange system are separately and separately installed on a circulating pipeline, the field installation workload is large, the transfer and the transportation are inconvenient, the structure is loose, the field area is large, and the overall appearance of the equipment is influenced are solved.
The specific design scheme is as follows: (1) the plate type radiator is an M15B type plate heat exchanger and is provided with a water tank water inlet, a water tank water outlet, a cooling tower water inlet and a cooling tower water outlet, and the heat exchange area of radiating fins is 70 square meters; (2) the circulating water pump is a double YE3-90S-2 type water pump; (3) the circulating water tank comprises a water tank main body, a water tank cover and a water tank handrail; the water tank main body is a cubic tank body and is provided with a water tank water inlet, a water tank water suction port, a water tank water outlet and a water tank overflow port; (4) the water tank bracket comprises a bracket main body and a bracket ladder; the bracket main body is a four-leg bracket which is higher than the circulating water pump and is formed by welding square pipes; the bracket ladder stand is welded on one side of the bracket main body to form a water tank bracket; (5) the integrated chassis is a square frame type chassis and comprises a chassis main body, a water pump mounting plate, a radiator mounting plate and a water tank bracket seat, wherein the chassis main body is formed by welding channel steel materials; (6) the dual-purpose pipeline is a dual-purpose pipeline for double-suction flow combination and tank water backflow; comprises a three-way electromagnetic valve, a check valve, a manual butterfly valve, a reducing joint and a flexible connection joint; the three-way electromagnetic valve is an S6062-30A type three-way electromagnetic valve; (7) the overflow and drainage flow combining pipeline is an overflow and drainage flow pipeline on the water tank and comprises a manual ball valve.
The connection relation of the main parts is as follows: (1) and (3) mounting of the water tank: the water tank bracket is welded on a water tank bracket seat of the integrated chassis, and the circulating water tank is arranged on the water tank bracket; (2) installation of the radiator: the plate type radiator is arranged on a radiator mounting plate of the integrated chassis (the water inlet and the water outlet of the plate type radiator face to the direction of the dual-purpose pipeline); (3) and (3) installing a water pump: the double-circulation water pumps are arranged on the water pump mounting plate of the integrated chassis side by side (the water suction ports of the double-circulation water pumps face the water suction port of the water tank); (4) installation of the dual-purpose pipeline: the dual-purpose pipeline is used for communicating the plate radiator (a water inlet of the water tank), the circulating water pump and the circulating water tank (a water suction port of the water tank); as shown in FIG. 1, the three-way electromagnetic valve is installed at the water outlet of the radiator tank and connected with a PLC program control system; the double reducing joints and the double soft connecting joints are respectively arranged at the inlet and the outlet of the circulating water pump; the check valve is arranged on the water outlet pipe of the circulating water pump; two manual butterfly valves are respectively arranged on the water inlet pipe and the water outlet pipe of the circulating water pump; (5) installing overflow and drainage pipelines: the overflow and drainage converging pipeline is connected with a water tank overflow port and a water tank drainage port of the circulating water tank; the manual ball valve is arranged on a water tank drain pipe; (6) installation of other elements: the pressure gauge and the thermometer are respectively arranged on the dual-purpose pipeline; the Y-shaped filter is arranged on the water suction pipe of the water pump; (7) the assembly of the heat exchange system: the integrated circulating water heat exchange system is arranged beside the condensation chamber, (a) a water inlet pipe of the surface cooler is connected with a water inlet of the surface cooler and a water outlet of a water tank of the radiator, and a water outlet pipe of the surface cooler is connected with a water outlet of the surface cooler and a water inlet of the water tank, so that water circulation of the integrated circulating water heat exchange system and the surface cooler is formed; (b) a water outlet pipe of the cooling tower is connected with a water outlet of the cooling tower and a water inlet of the cooling tower of the radiator, and a water return pipe of the cooling tower is connected with a water return port of the cooling tower and a water outlet of the cooling tower of the radiator to form water circulation of the integrated circulating water heat exchange system and the cooling tower; through circulating water pump, can realize the cold water heat transfer of surface cooler circulation, cool down for the condensation chamber heat dissipation.
The invention also provides a dehumidifier mechanism, namely a dehumidifier mechanism of a closed filter cake dryer, and an integrated circulating cold water heat exchange system using the dehumidifier mechanism provided by the invention; the dehumidifier, namely a low-temperature condensation steam type filter cake dehumidifying and drying mechanism at 7-30 ℃, mainly comprises a refrigeration compressor, a cold water evaporator (gasification heat absorption refrigeration), a condenser (refrigeration parts), a circulating cold water heat exchange system, a surface cooler and a cooling tower thereof; the steam evaporated by the wet cake strip in the high-temperature drying area can be condensed into water, so that the primarily dried cake strip is further dried into a dry cake strip with the water content of about 10 percent.
The integrated circulating cold water heat exchange system of the dehumidification mechanism and the dehumidification mechanism of the dryer have the advantages of compact integral structure, small occupied area, quick field installation, convenient transfer and transportation and attractive integral appearance; the integrated circulating cold water heat exchange system has the advantages that the existing distributed circulating cold water heat exchange system is improved into the integrated circulating cold water heat exchange system, all elements between the surface cooler and the cooling tower are intensively arranged on the integrated chassis, and the requirements of users on compact equipment, rapidness in installation and convenience in carrying are met; saves the floor area of the equipment, improves the production (installation and transportation) efficiency and beautifies the field environment.
Drawings
Fig. 1 is a schematic perspective view of an integrated circulating cold water heat exchange system (excluding a surface cooler and a cooling tower) of a dehumidification mechanism of the present invention.
Fig. 2 is a schematic perspective view of a circulation water tank of the integrated circulation cold water heat exchange system of the dehumidification mechanism of the present invention.
Fig. 3 is a rear view schematically showing a circulation water tank of the integrated circulation cold water heat exchange system of the dehumidification mechanism of the present invention.
Fig. 4 is a schematic side view of the circulation water tank of the integrated circulation cold water heat exchange system of the dehumidification mechanism of the present invention.
Fig. 5 is a schematic perspective view of a water tank bracket of the integrated circulating cold water heat exchange system of the dehumidification mechanism of the present invention.
Fig. 6 is a schematic diagram of a plate radiator of the integrated circulating cold water heat exchange system of the dehumidification mechanism of the invention.
Fig. 7 is a schematic view of an integrated chassis of an integrated circulating cold water heat exchange system of a dehumidification mechanism of the invention.
Fig. 8 is a schematic view of the surface cooler of the integrated circulating cold water heat exchange system of the dehumidification mechanism of the present invention.
Fig. 9 is a schematic view of the assembly of the integrated circulating cold water heat exchange system (including the surface cooler and the cooling tower) of the dehumidification mechanism of the present invention.
Reference numerals: 1-plate radiator, 2-circulating water pump, 3-circulating water tank, 4-tank bracket, 5-integral chassis, 6-three-way solenoid valve, 7-pressure gauge, 8-thermometer, 9-dual-purpose pipeline (dual-suction flow and tank water return dual-purpose pipeline), 10-overflow flow pipeline, 12-check valve, 13-manual butterfly valve, 14-reducer joint, 15-flexible joint, 16-Y type filter, 17-tank body, 18-tank cover, 19-tank inlet, 20-tank armrest, 21-manual ball valve, 22-tank inlet, 23-tank outlet, 24-bracket ladder, 25-heat sink, 26-tank inlet, 27-tank outlet, 28-cooling tower inlet, 29-cooling tower water outlet, 30-surface cooler water inlet, 31-surface cooler water outlet, 32-surface cooler, 33-dehumidification mechanism integrated circulating cold water heat exchange system (integrated circulating water heat exchange system or the invention for short), 34-cooling tower, 35-PLC program control system (including PLC program control cabinet), 36-water tank overflow port, 37-condensation chamber (including cold water evaporator and condenser), 41-bracket main body, 51-water pump mounting plate, 52-radiator mounting plate and 61-refrigeration compressor.
Detailed Description
The technical solution in the embodiment of the present invention is described below with reference to the attached drawings in the embodiment of the integrated circulating cold water heat exchange system of the dehumidification mechanism and the dehumidification mechanism of the dryer of the present invention, and the described embodiment is only a part of preferred embodiments of the present invention, but not all embodiments. All other embodiments, such as an integrated circulating cold water heat exchange system with the same system integration mode and similar structure, which are not inventive by those skilled in the art based on the embodiments of the present invention, belong to the protection scope of the present invention.
Example 1
An integrated circulating cold water heat exchange system 33 (integrated circulating water heat exchange system for short) of a dehumidification mechanism has the main points of innovative overall implementation scheme that: the existing distributed circulating cold water heat exchange system is improved into an integrated circulating cold water heat exchange system 33, which comprises a plate type radiator 1, a circulating water pump 2, a circulating water tank 3, a water tank bracket 4, an integrated chassis 5, a pressure gauge 7, a thermometer 8, a dual-purpose pipeline 9 (a dual-purpose pipeline for double-suction confluence and tank water backflow), an overflow and drainage confluence pipeline 10 and a Y-shaped filter 16; the complete circulating water heat exchange system 33 actually comprises a surface cooler 32 and a cooling tower 34, and only an integrated part is protruded for the convenience of description; all elements between the surface cooler 32 and the cooling tower 34 are intensively arranged on the integrated chassis 5, so that the integral structure is compact, the field installation is rapid, the transfer and the transportation are convenient, and the appearance is attractive; specific embodiments are described in detail below.
The plate type radiator 1 is an M15B type plate heat exchanger 1 and is provided with a water tank water inlet 26, a water tank water outlet 27, a cooling tower water inlet 28 and a cooling tower water outlet 29, and the heat exchange area of a radiating fin 25 is 70 square meters; the plate radiator 1 is arranged on a radiator mounting plate 52 of the integrated chassis 5 (the water inlet and the water outlet of the plate radiator face to the direction of the dual-purpose pipeline 9); the surface cooler 32 and the cooling tower 34 are respectively connected by pipelines to form cold water double circulation; is used for realizing the heat exchange of the circulating cold water of the surface cooler 32 and cooling the condensation chamber 37.
The circulating water pump 2 is a double YE3-90S-2 type water pump; the double-circulation water pumps 2 are arranged on the water pump mounting plate 51 of the integrated chassis 5 side by side (the water suction ports of the double-circulation water pumps face the water suction ports of the water tank); the plate radiator 1 (water tank water inlet 26), the circulating water pump 2 and the circulating water tank 3 (water tank water suction port 22) are communicated by a dual-purpose pipeline 9; the water pump is used for pumping warm water in the circulating water tank 3 into the plate type radiator 1 to provide power for the circulating flow of cold water for heat exchange.
The circulating water tank 3 comprises a water tank main body 17, a water tank cover 18 and a water tank handrail 20; the water tank main body 17 is a cubic box body and is provided with a water tank water inlet 19, a water tank water suction port 22, a water tank water outlet 23 and a water tank overflow port 36; the circulating water tank 3 is arranged on the water tank bracket 4; the pipeline circulating water tank 3 is respectively connected with the surface air cooler 32 and the circulating water pump 2; for storing warm water flowing out of the surface cooler 32.
The water tank bracket 4 comprises a bracket main body 41 and a bracket ladder stand 24; the bracket main body 41 is a four-leg bracket, is higher than the circulating water pump 2 and is formed by welding square pipes; the bracket ladder stand 24 is welded on one side of the bracket main body 41 to form a water tank bracket 4; the water tank bracket 4 is welded on a water tank bracket seat of the integrated chassis 5; for high-level installation of the circulation tank 3.
The integrated chassis 5 is a square frame type chassis and comprises a chassis main body, a water pump mounting plate 51, a radiator mounting plate 52 and a water tank bracket seat, wherein the chassis main body is formed by welding channel steel materials; the water tank is used for integrally mounting the plate type radiator 1, the circulating water pump 2, the water tank support 4 and the circulating water tank 3, so that the circulating cold water heat exchange system is integrated.
The dual-purpose pipeline 9 is a dual-purpose pipeline 9 for double-suction flow combination and tank water backflow; comprises a three-way electromagnetic valve 6, a check valve 12, a manual butterfly valve 13, a reducing joint 14 and a soft connecting joint 15; the three-way electronic valve 6 is an S6062-30A type three-way electromagnetic valve 6; as shown in fig. 1, the three-way electromagnetic valve 6 is installed at the water tank outlet 27 of the radiator and connected with a PLC program control system 35; the double reducing joints 14 and the double soft connecting joints 15 are respectively arranged at the inlet and the outlet of the circulating water pump 2; the check valve 12 is arranged on the water outlet pipe of the circulating water pump 2; a double-hand-operated butterfly valve 13 is respectively arranged on the water inlet pipe and the water outlet pipe of the circulating water pump 2; the double-circulation water pump is mainly used for communicating a plate type radiator 1, a double-circulation water pump 2 and a circulation water tank 3; the valve is used for switching a pipeline or controlling flow, wherein the three-way electromagnetic valve 6 is used for adjusting the flow, and the check valve 12 is used for preventing water in the dual-purpose pipeline 9 from flowing back to the circulating water tank 3 when the pump is stopped; the reducer union 14 is used for increasing the flow; the flexible connection joint 15 is used for preventing the dual-purpose pipeline 9 from vibrating along with the circulating water pump 2.
The overflow and drainage converging pipeline 10 is an overflow and drainage converging pipeline of the water tank and comprises a manual ball valve 21, namely a manual drainage ball valve 21; the overflow and discharge flow combining pipeline 10 is connected with a water tank overflow port 36 and a water tank discharge port 23 of the circulating water tank 3; the manual ball valve 21 is arranged on a water tank drain pipe; for overflow and drainage of the circulation tank 3.
The pressure gauge 7 and the thermometer 8 are respectively arranged on the dual-purpose pipeline 9; respectively for observing the circulating water pressure and the water temperature in the dual-purpose pipeline 9.
The Y-shaped filter 16 is arranged on a water suction pipe of the water pump; the circulating water filtering device is used for filtering circulating water and preventing impurities in the circulating water tank 3 from entering a circulating water heat exchange system along with the water to cause pipeline blockage.
The integrated circulating cold water heat exchange system 33 of the dehumidification mechanism has the advantages of compact overall structure, small occupied area, rapidness in field installation, convenience in transfer and transportation and attractiveness in overall appearance; the technical problems that all parts of the circulating cold water heat exchange system 33 are separately arranged on a circulating pipeline in a dispersed mode, the field installation workload is large, the transfer and the transportation are inconvenient, the structure is loose, the field area is large, and the overall appearance of equipment is influenced are solved; saves the floor area of the equipment, improves the production (installation and transportation) efficiency and beautifies the field environment.
Example 2
A dehumidifier of the dryer, namely the filter cake dehumidifier of the enclosed filter cake dryer, use the integrated circulating cold water heat exchange system 33 (short for: the integrated circulating water heat exchange system) of the dehumidifier provided by the invention; the dehumidifier, namely a dehumidifying and drying mechanism of low-temperature condensation steam at 7-30 ℃, mainly comprises a refrigeration compressor 61, a cold water evaporator (gasification heat absorption refrigeration), a condenser (refrigeration parts), a circulating cold water heat exchange system 33, a surface cooler 32 and a cooling tower 34; the steam evaporated by the wet cake strip in the high-temperature drying area can be condensed into water, so that the primarily dried cake strip is further dried into a dry cake strip with the water content of about 10 percent. The invention is manufactured according to the relevant standard of the drier in the mechanical industry in China, which is a common technical part with the prior art.
Assembling and final assembling of the dehumidifying mechanism: (1) the cold compressor, the cold water evaporator, the condenser and the surface cooler 32 are respectively arranged at corresponding positions of a condensing chamber 37 of the low-temperature dehumidification area and are mutually connected by pipelines; (2) the cooling tower 34 is mounted on the floor of the dryer attachment; (3) the integrated circulating water heat exchange system 33 is arranged beside the condensing chamber 37; a water inlet pipe of the surface cooler is connected with a water inlet 30 of the surface cooler and a water outlet 27 of the water tank of the radiator, and a water outlet pipe of the surface cooler is connected with a water outlet 31 of the surface cooler and a water inlet 26 of the water tank to form water circulation of an integrated circulating water heat exchange system 33 and the surface cooler 32; the water outlet of the cooling tower is connected with the water inlet 28 of the cooling tower of the radiator by the water outlet pipe of the cooling tower, and the water return port of the cooling tower is connected with the water outlet 29 of the cooling tower of the radiator by the water return pipe of the cooling tower, so that the water circulation of the integrated circulating water heat exchange system 33 and the cooling tower 34 is formed.
The basic working process of the dehumidification mechanism is as follows: the refrigeration compressor 61 refrigerates and heats while refrigerating, the circulating cold water heat exchange system 33, the surface cooler 32 and the cooling tower 34 radiate heat and cool the condensing chamber 37, and the temperature of the condensing chamber 37 can be reduced to 7-30 ℃ according to the requirement of the drying rate of the filter cake; the cold circulation flow is as follows: the refrigeration compressor 61 → the cold water evaporator → the condenser → the surface cooler 32 → the circulating cold water heat exchange system 33 and the cooling tower 34 thereof → the low temperature dehumidification region (liquefaction chamber), the primary drying cake strip of the lower layer conveying mesh belt are dehumidified and dried; the filter cake dehumidification process is as follows: wet cake strips on the upper-layer conveying mesh belt are dried by convection hot air of the thermal circulation mechanism (moisture in the wet cake strips absorbs heat and is evaporated into steam) through the high-temperature drying area, primary dry cake strips on the lower-layer conveying mesh belt are subjected to dehumidification and drying (the hot steam is condensed into water by heat release when being cooled) through the low-temperature dehumidification area, and finally dry cake strips with moisture content (the moisture content is about 10%) reaching the standard are output to the outside of a closed chamber of the dryer.
The dehumidifying mechanism of the drying machine has the advantages that the existing distributed circulating cold water heat exchange system is improved into the integrated circulating cold water heat exchange system 33, namely, all elements between the surface cooler 32 and the cooling tower 33 are intensively arranged on the integrated chassis 5, so that the requirements of users on compact equipment, rapidness in installation and convenience in carrying are met; saves the floor area of the equipment, improves the production (installation and transportation) efficiency and beautifies the field environment.
Claims (6)
1. An integrated circulating cold water heat exchange system of a dehumidification mechanism comprises a plate type radiator, a circulating water pump, a circulating water tank, a water tank bracket, an integrated chassis, a pressure gauge, a thermometer, a dual-purpose pipeline, an overflow and discharge confluence pipeline and a Y-shaped filter; the method is characterized in that: the plate radiator is an M15B plate heat exchanger; the circulating water pump is a double YE3-90S-2 type water pump; the circulating water tank comprises a water tank main body, a water tank cover and a water tank handrail; the dual-purpose pipeline is a dual-purpose pipeline for double-suction flow combination and tank water backflow; comprises a three-way electromagnetic valve, a check valve, a manual butterfly valve, a reducing joint and a flexible connection joint; the interconnection relationship is: the water tank bracket is welded on a water tank bracket seat of the integrated chassis, and the circulating water tank is arranged on the water tank bracket; the plate type radiator is arranged on a radiator mounting plate of the integrated chassis; the double-circulation water pumps are arranged on the water pump mounting plate of the integrated chassis side by side; the dual-purpose pipeline is used for communicating the plate type radiator, the circulating water pump and the circulating water tank; the overflow and drainage converging pipeline is connected with a water tank overflow port and a water tank drainage port of the circulating water tank, and a manual ball valve of the overflow and drainage converging pipeline is arranged on a water tank drainage pipe; the pressure gauge and the thermometer are respectively arranged on the dual-purpose pipeline; the Y-shaped filter is arranged on the water suction pipe of the water pump; a water inlet pipe of the surface cooler is connected with a water inlet of the surface cooler and a water outlet of a water tank of the radiator, and a water outlet pipe of the surface cooler is connected with a water outlet of the surface cooler and a water inlet of the water tank to form water circulation of the integrated circulating water heat exchange system and the surface cooler; (b) a water outlet pipe of the cooling tower is connected with a water outlet of the cooling tower and a water inlet of the cooling tower of the radiator, and a water return pipe of the cooling tower is connected with a water return port of the cooling tower and a water outlet of the cooling tower of the radiator to form water circulation of the integrated circulating water heat exchange system and the cooling tower; the integrated circulating water heat exchange system is arranged beside the condensing chamber, and provides power through the circulating water pump, so that the circulating cold water heat exchange of the surface cooler can be realized, and the heat dissipation and the cooling of the condensing chamber are realized.
2. The integrated circulating cold water heat exchange system of the dehumidification mechanism as set forth in claim 1, wherein: the plate radiator is provided with a water tank water inlet, a water tank water outlet, a cooling tower water inlet and a cooling tower water outlet, and the heat exchange area of the radiating fins is 70 square meters.
3. The integrated circulating cold water heat exchange system of the dehumidification mechanism as set forth in claim 1, wherein: the circulating water tank is a cubic tank body and is provided with a water tank water inlet, a water tank water suction port, a water tank water outlet and a water tank overflow port; the water tank support comprises a support main body and a support crawling ladder, wherein the support main body is a four-leg support and is higher than the circulating water pump, a square tube is welded to form the support crawling ladder, and the support crawling ladder is welded to one side of the support main body to form the water tank support.
4. The integrated circulating cold water heat exchange system of the dehumidification mechanism as set forth in claim 1, wherein: the integrated chassis is a square frame type chassis and comprises a chassis main body, a water pump mounting plate, a radiator mounting plate and a water tank support seat, wherein the chassis main body is formed by welding channel steel materials.
5. The integrated circulating cold water heat exchange system of the dehumidification mechanism as set forth in claim 1, wherein: the three-way electromagnetic valve of the dual-purpose pipeline is an S6062-30A type three-way electromagnetic valve, is arranged at the water outlet of the water tank of the radiator and is connected with a PLC program control system; the double reducing joints and the double soft connecting joints are respectively arranged at the inlet and the outlet of the circulating water pump; the check valve is arranged on the water outlet pipe of the circulating water pump; two manual butterfly valves are respectively arranged on the water inlet pipe and the water outlet pipe of the circulating water pump; the overflow and drainage flow combining pipeline is an overflow and drainage flow pipeline on the water tank and comprises a manual ball valve.
6. A dehumidifier, namely a low-temperature condensation steam type filter cake dehumidifying and drying mechanism at 7-30 ℃, comprises a refrigeration compressor, a cold water evaporator, a condenser, a circulating cold water heat exchange system, a surface cooler and a cooling tower thereof; the method is characterized in that: the circulating cold water heat exchange system is an integrated circulating cold water heat exchange system of the dehumidification mechanism in claims 1-5; the dehumidifying mechanism of the drier can condense the steam evaporated by the wet cake strip in the high-temperature drying area into water, so that the primarily dried cake strip is further dried into a dry cake strip with the water content of about 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111408081.5A CN114046652A (en) | 2021-11-25 | 2021-11-25 | Integrated circulating cold water heat exchange system of dehumidification mechanism and dehumidification mechanism of drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111408081.5A CN114046652A (en) | 2021-11-25 | 2021-11-25 | Integrated circulating cold water heat exchange system of dehumidification mechanism and dehumidification mechanism of drying machine |
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| Publication Number | Publication Date |
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| CN114046652A true CN114046652A (en) | 2022-02-15 |
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| CN202111408081.5A Pending CN114046652A (en) | 2021-11-25 | 2021-11-25 | Integrated circulating cold water heat exchange system of dehumidification mechanism and dehumidification mechanism of drying machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115810469A (en) * | 2023-02-06 | 2023-03-17 | 江苏安靠智能输电工程科技股份有限公司 | Evaporative cooling transformer |
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| JPH09296975A (en) * | 1996-03-06 | 1997-11-18 | Miura Co Ltd | Vacuum cooling apparatus |
| CN206117482U (en) * | 2016-10-10 | 2017-04-19 | 株洲联诚集团有限责任公司 | Combined cooling system for passenger locomotive |
| CN206599512U (en) * | 2017-03-17 | 2017-10-31 | 瑞科际再生能源股份有限公司 | A kind of sludge dewatering drying process system |
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| CN115810469A (en) * | 2023-02-06 | 2023-03-17 | 江苏安靠智能输电工程科技股份有限公司 | Evaporative cooling transformer |
| CN115810469B (en) * | 2023-02-06 | 2023-04-25 | 江苏安靠智能输电工程科技股份有限公司 | Evaporation cooling transformer |
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Address after: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Applicant after: Jingjin Equipment Co.,Ltd. Address before: 253034 Shandong province Dezhou Jinghua Road Economic Development Zone Jingjin group Applicant before: Jing Jin Environmental Protection Inc. |
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