CN107388649B - gas-liquid separator for multi-connected heat pump and manufacturing method thereof - Google Patents
gas-liquid separator for multi-connected heat pump and manufacturing method thereof Download PDFInfo
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- CN107388649B CN107388649B CN201710605884.7A CN201710605884A CN107388649B CN 107388649 B CN107388649 B CN 107388649B CN 201710605884 A CN201710605884 A CN 201710605884A CN 107388649 B CN107388649 B CN 107388649B
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/23—Separators
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Abstract
The invention discloses a gas-liquid separator for a multi-connected heat pump and a manufacturing method thereof, wherein the gas-liquid separator comprises a cylinder body, a gas inlet pipe, a gas outlet pipe and a liquid outlet pipe, wherein the gas inlet pipe is connected with a gas-liquid separation coil pipe, the other end of the gas-liquid separation coil pipe faces the gas outlet pipe, and the lower end of the gas-liquid separation coil pipe is connected with a liquid bag; a thermostatic controller is mounted on the barrel and is used for maintaining the temperature in the device. The gas-liquid separator comprises the following manufacturing steps: 1) the structure design of a gas-liquid separator; (2) performing a gas-liquid separator sample test; (3) preparing materials; (4) processing parts; (5) assembling parts; (6) welding; (7) and (5) post-treatment. The manufacturing method has the advantages of high forming speed, low defective rate and high product quality, and can bring great economic benefit to enterprises; and the gas-liquid separator has high separation efficiency, thorough gas-liquid separation and long service life.
Description
Technical Field
the invention relates to a gas-liquid separator, in particular to a gas-liquid separator for a multi-connected heat pump and a manufacturing method thereof.
background
the gas-liquid separator can be arranged at the inlet and outlet of the gas compressor for gas-liquid separation, gas phase demisting after the condensation cooler on the top of the fractionating tower, and gas phase demisting of various gas washing towers, absorption towers and desorption towers. The gas-liquid separator can also be applied to various industrial and civil application occasions such as gas dust removal, oil-water separation, liquid impurity removal and the like. The gas-liquid separator adopts a plurality of separation methods, the most widely used method is gravity settling, and the principle of the gravity settling is as follows: because the density of the gas is different from that of the liquid, when the liquid flows together with the gas, the liquid is subjected to the action of gravity to generate a downward speed, the gas still flows towards the original direction, namely the liquid and the gas have the tendency of separating in a gravity field, and the downward liquid is attached to the wall surface and is gathered together to be discharged through a discharge pipe. The separation method has the advantages of simple design, convenient equipment manufacture and small resistance.
In actual production and use, the existing equipment for realizing gas-liquid separation by adopting a gravity settling mode has a plurality of problems:
1. the installation is inconvenient;
2. the manufacturing precision is low, the defective rate is high, the product quality is poor, and the service life is short;
3. The separation effect is poor, and liquid drops in the gas can not be completely removed generally;
4. The separation efficiency is low, and a plurality of gas-liquid separators are required in a general plant, which increases the cost.
Disclosure of Invention
The invention aims to provide a gas-liquid separator for a multi-connected heat pump and a manufacturing method thereof, aiming at the defects in the existing gas-liquid separator, a set of complete manufacturing process is designed, the structure of the gas-liquid separator is determined by design optimization and test optimization, and the gas-liquid separator is manufactured by the processes of material preparation, processing, assembly, welding and the like, so that the gas-liquid separator is high in forming speed, low in defective rate and high in product quality, and can bring huge economic benefits to enterprises; and the gas-liquid separator has high separation efficiency, thorough gas-liquid separation and long service life.
In order to solve the technical problems, the following technical scheme is adopted:
the utility model provides a many vapour and liquid separators for heat pump that ally oneself with, includes barrel, intake pipe, outlet duct and drain pipe, and the upper portion of barrel is located to intake pipe and outlet duct, and the lower part of barrel, its characterized in that are located to the drain pipe: the gas inlet pipe is connected with a gas-liquid separation coil pipe, the other end of the gas-liquid separation coil pipe faces the gas outlet pipe, the lower end of the gas-liquid separation coil pipe is connected with a liquid bag, and the liquid bag is communicated with the gas-liquid separation coil pipe; the barrel is provided with a thermostatic controller, a transformer, a single chip microcomputer, a temperature sensor, an adjusting circuit, an electric heating plate and a condensing plate are assembled in the thermostatic controller, the transformer is connected with the adjusting circuit, the adjusting circuit is controlled by the single chip microcomputer, the adjusting circuit is respectively connected with the electric heating plate and the condensing plate, the electric heating plate and the condensing plate are connected with the transformer, and the single chip microcomputer is matched with the temperature sensor.
Further, the air inlet pipe comprises a first air inlet pipe and a second air inlet pipe, the gas-liquid separation coil comprises a first gas-liquid separation coil and a second gas-liquid separation coil, the first air inlet pipe is connected with the first gas-liquid separation coil, and the second air inlet pipe is connected with the second gas-liquid separation coil. The gas-liquid separator provided by the invention adopts double gas inlet pipes, the double gas inlet pipes can simultaneously separate more gas-liquid mixtures, and the working efficiency is obviously improved; and the number of the air inlet pipes which are put into use can be specifically selected according to actual working conditions, so that the adjustability is realized, and the application range is wider.
Furthermore, a hydrophobic layer is laid in the gas-liquid separation coil and is made of polyvinyl chloride resin; the gas-liquid separation coil is evenly provided with necking parts. The hydrophobic layer has a hydrophobic effect, and prevents aqueous liquid from being adhered to the inner wall of the pipe wall, so that the gas-liquid separation effect of the pipe wall is influenced; the internal diameter in the throat reduces gradually, and when gas-liquid mixture got into the throat, the rate of motion of gas-liquid molecule was accelerated, and the collision with the pipe wall is more violent to show promotion gas-liquid separation effect.
Furthermore, a permeable membrane is arranged between the liquid bag and the gas-liquid separation coil pipe, and the liquid bag is provided with annular fine holes. Liquid substances can permeate into the liquid bag through the permeable membrane, and the liquid bag has the function of filtering impurities, and is simple in structure and high in practicability; the annular pore is used for dredging liquid substances, and has simple structure and convenient manufacture.
furthermore, a bulge disc is arranged at the lower part in the barrel body, grooves are formed in the periphery of the bulge disc, the inner end of the liquid outlet pipe is connected into the grooves, and the outer end of the liquid outlet pipe extends out of the barrel body. The uplift disc is used for guiding liquid substances to enter the groove, so that the gathering effect is achieved, the liquid substances are conveniently pumped out of the liquid outlet pipe, the structure is simple, the design is ingenious, and the practicability is high.
Further, the regulating circuit comprises an intelligent switch, a hot plate branch, a cold plate branch and a diode branch, the intelligent switch is controlled by a single chip microcomputer, the intelligent switch is matched with the hot plate branch, the hot plate branch is connected with an electric heating plate, the intelligent switch is matched with the cold plate branch, and the cold plate branch is connected with a condensing plate. The intelligent switch is matched with the diode branch, a backward diode is connected on the diode branch, and the backward diode is connected with the transformer.
The method for manufacturing the gas-liquid separator for the multi-connected heat pump as claimed in claim 1, characterized by comprising the following steps:
(1) The structural design of the gas-liquid separator is as follows: firstly, establishing a conventional gas-liquid separator model, wherein the proportion of a gas-liquid separator model to a gas-liquid separator real object is 1: (3-5); respectively analyzing the internal flow field, the separation efficiency, the pressure loss and the mechanical property of the model, and adjusting the overall structure of the gas-liquid separator according to the analysis result;
(2) gas-liquid separator sample test: manufacturing a gas-liquid separator sample according to the design result of the step (1), and performing a water-vapor separation test on the gas-liquid separator sample to obtain test data; checking the qualified condition of the gas-liquid separator sample by checking the test data; and (4) if the result is qualified, entering the next procedure, and otherwise, returning to the step (1) to redesign the structure of the gas-liquid separator.
(3) Preparing materials: analyzing the general assembly diagram of the gas-liquid separator, matching raw materials of parts of the gas-liquid separator, and inspecting one by one;
(4) Processing parts: sequentially processing a cylinder, an upper end cover, a lower end cover, an air inlet pipe, an air outlet pipe, a liquid outlet pipe, a gas-liquid separation coil pipe, a liquid pocket and a partition plate;
(5) Assembling parts: firstly, pre-manufacturing an assembly table according to a general assembly drawing of a gas-liquid separator, and arranging a positioning hole according to the assembly position of a part; then, placing the parts on the positioning holes respectively, assembling the parts in sequence according to a general assembly drawing, and temporarily fixing the parts by adopting a temporary clamping piece; technicians measure the distance and the size between the parts and identify the assembly working condition of the parts; after the product is qualified, the next procedure is carried out, otherwise, the assembly working condition is adjusted, and the assembly problem is solved;
(6) welding: a. firstly, welding an upper end cover, an air inlet pipe and an air outlet pipe in a helium-filled spot welding mode, and then fixing edges in a helium-filled argon circumferential welding mode; b. welding the liquid bag on the gas-liquid separation disc in a hydrogen filling spot welding mode; b. welding two gas-liquid separation coil pipes to the gas inlet pipe by adopting a nitrogen-filled brass welding mode; c. welding the constant temperature controller and the liquid outlet pipe on the cylinder body in a hydrogen charging spot welding mode, welding the partition plate on the inner side of the cylinder body, and welding edges through hydrogen charging circumference; d. welding the cylinder body, the upper end cover and the lower end cover in an assembling electric welding mode, fixing by circumferential welding through carbon dioxide filling, and obtaining a crude product after cooling;
(7) And (5) processing the crude product by adopting a post-treatment process to obtain a finished product of the gas-liquid separator.
Preferably, the water-steam separation test in the step (2) comprises the following specific steps: a. connecting the gas-liquid separator sample to a test bed; b. performing air tightness and safety detection, firstly connecting a pneumatic pump, gradually pressurizing to 0.9MPa after connection, keeping for 10min, and checking whether air leakage exists; after the product is qualified, the next procedure is carried out, otherwise, the problem of air leakage is solved; c. cleaning impurities remained in the sample of the gas-liquid separator through a purging pipeline; d. and introducing a gas-liquid mixed phase for a separation test, and measuring and recording the separation pressure, flow, temperature and water content of the separated gas.
Preferably, the processing steps of each part in the step (4) are as follows: a. barrel: sequentially adopting the working procedures of pipe cutting, turning, punching, degreasing, acid pickling and drying; b. an upper end cover: sequentially adopting the working procedures of plate reduction, blanking, stretching, end face turning, punching, degreasing, acid pickling and drying for processing; c. the lower end cover is processed by processes of plate reduction, blanking, stretching, end face turning, degreasing, acid washing and drying in sequence; d. air inlet pipe: sequentially adopting the working procedures of blanking, chamfering, flaring, big salient points and cleaning; e. an air outlet pipe: sequentially adopting the working procedures of blanking, chamfering, flaring, big salient points and cleaning; f. gas-liquid separation coil pipe: sequentially adopting blanking, chamfering, bending 1, bending 2, bending 3, punching and cleaning processes; g. a liquid bag: sequentially adopting the working procedures of molding, pressing, cooling, film pasting and water washing for processing; h. a clapboard: the processing method sequentially comprises the steps of plate shearing, blanking and punching, degreasing, acid pickling and drying.
And (4) preferably, the post-treatment processes in the step (7) sequentially comprise polishing, leakage testing, phosphorization plug installation, phosphorization spraying, pipe orifice correction, rubber plug installation, vacuumizing and nitrogen filling.
due to the adoption of the technical scheme, the method has the following beneficial effects:
The invention relates to a gas-liquid separator for a multi-connected heat pump and a manufacturing method thereof, aiming at the defects in the existing gas-liquid separator, a set of complete manufacturing process is designed, the structure of the gas-liquid separator is determined by design optimization and test optimization, and then the gas-liquid separator is manufactured by the processes of material preparation, processing, assembly, welding and the like, so that the gas-liquid separator is high in forming speed, low in defective rate and high in product quality, and can bring huge economic benefits to enterprises; and the gas-liquid separator has high separation efficiency, thorough gas-liquid separation and long service life. The concrete beneficial effects are as follows:
1. the lower part of the gas-liquid separation coil is folded, and the folded gas-liquid separation coil is bent, so that the length of the gas-liquid separation coil is increased; after the gas-liquid mixture flows into the gas-liquid separation coil, the flowing time is prolonged, so that the contact probability of the gas-liquid mixture and the pipe wall is greatly improved, and liquid substances are attached to the pipe wall after being contacted and flow into the liquid pocket through the pipe wall; in-service use discovers that compared with the existing pipeline structure, the gas-liquid separation coil has more superior separation efficiency and very ingenious structural design, and is suitable for large-scale industrial gas-liquid separation operation.
2. The liquid bag is used for guiding liquid and comprises a permeable membrane and an annular pore, liquid substances can permeate into the liquid bag through the permeable membrane, and the liquid bag also has the function of filtering impurities, and is simple in structure and strong in practicability; the annular pore is used for dredging liquid substances, and has simple structure and convenient manufacture.
3. The thermostatic controller is used for automatically stabilizing the temperature in the gas-liquid separator, and the working principle is as follows: realize in the singlechip that to have set for standard temperature value, temperature sensor measures the temperature in the barrel in real time to transmit this temperature signal to the singlechip, the singlechip discerns this temperature signal after and compares with standard temperature value: when the temperature signal is smaller than the standard temperature value, the singlechip controls the intelligent switch to be connected with the hot plate branch, the electric hot plate is conducted at the moment, the temperature of the cylinder body begins to rise, after the temperature rises to the standard temperature value, the intelligent switch is connected with the diode branch, and the electric hot plate stops working; when the temperature signal is greater than the standard temperature value, the single chip microcomputer controls the intelligent switch to be connected with the cold plate branch, the condensing plate is conducted at the moment, the barrel starts to cool, after the temperature is reduced to the standard temperature value, the intelligent switch is connected with the diode branch, and the condensing plate stops working; the constant temperature controller ensures the stable operation of the gas-liquid separator, maintains high-efficiency working efficiency and reduces the probability of fault occurrence.
4. Through the structural design of the gas-liquid separator in the step (1) and the sample of the gas-liquid separator in the step (2), the internal flow field, the separation efficiency, the pressure loss and the mechanical property of the gas-liquid separator are comprehensively analyzed, so that various properties of the obtained gas-liquid separator are excellent. The structural design process is short in time consumption, the structure of the gas-liquid separator is optimized under the condition that a large number of repeated statistics is not needed, the optimization result is accurate and reliable, the research and development cost is reduced, the development period is shortened, the separation efficiency and the product quality of the gas-liquid separator are improved, and huge economic benefits and social benefits can be brought.
5. The processing, assembling and welding processes adopted by the invention combine the actual structural characteristics and are obtained by analysis and screening; is suitable for manufacturing the gas-liquid separator, and has high effect and simple and convenient operation.
drawings
the invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a gas-liquid separator for a multiple heat pump according to the present invention;
FIG. 2 is a schematic structural diagram of a gas-liquid separator for a multiple heat pump according to the present invention;
FIG. 3 is a schematic view of the structure of the liquid bag;
FIG. 4 is a schematic structural view of a gas-liquid separation coil;
FIG. 5 is a circuit diagram of the components within the thermostat controller;
fig. 6 is a circuit diagram of the regulating circuit.
wherein T is a transformer, P is a regulating circuit, U is a transformer, PV1 is an electric heating plate, PV2 is a condensation plate, L is a backward diode, C1 and C2 are capacitors, Z1 is a hot plate branch, Z2 is a cold plate branch, and Z3 is a diode branch.
Detailed Description
as shown in fig. 1 to 6, the gas-liquid separator for the multi-connected heat pump comprises a cylinder 1, an air inlet pipe, an air outlet pipe 6 and a liquid outlet pipe 12, wherein an upper end cover 2 is arranged at the upper part of the cylinder 1, and a lower end cover 3 is arranged at the lower part of the cylinder 1; the gas inlet pipe and the gas outlet pipe 6 are both arranged on the upper end cover 2, the gas inlet pipe comprises a first gas inlet pipe 4 and a second gas inlet pipe 5, and the first gas inlet pipe 4 and the second gas inlet pipe 5 are completely the same and are both used for guiding a gas-liquid mixture; the gas-liquid separator adopts double gas inlet pipes, the double gas inlet pipes can simultaneously separate more gas-liquid mixtures, and the working efficiency is obviously improved; and the number of the air inlet pipes which are put into use can be specifically selected according to actual working conditions, so that the adjustability is realized, and the application range is wider.
the gas-liquid separation coil is connected to the gas inlet pipe, the other end of the gas-liquid separation coil faces the gas outlet pipe 6, the gas-liquid separation coil comprises a first gas-liquid separation coil 7 and a second gas-liquid separation coil 17, the first gas-liquid separation coil 7 is connected to the lower end of the first gas inlet pipe 4, and the second gas-liquid separation coil 17 is connected to the lower end of the second gas inlet pipe 5. The lower part of the gas-liquid separation coil is folded, and the folded gas-liquid separation coil is bent, so that the length of the gas-liquid separation coil is increased; after the gas-liquid mixture flows into the gas-liquid separation coil, the flowing time is prolonged, so that the contact probability of the gas-liquid mixture and the pipe wall is greatly improved, and liquid substances are attached to the pipe wall after being contacted and flow into the liquid pocket through the pipe wall; in-service use discovers that compared with the existing pipeline structure, the gas-liquid separation coil has more superior separation efficiency and very ingenious structural design, and is suitable for large-scale industrial gas-liquid separation operation.
A hydrophobic layer (not shown in the figure) is laid in the gas-liquid separation coil and is made of polyvinyl chloride resin; the gas-liquid separation coil is evenly provided with necking parts 10. The hydrophobic layer has a hydrophobic effect, and prevents aqueous liquid from being adhered to the inner wall of the pipe wall, so that the gas-liquid separation effect of the pipe wall is influenced; the inner diameter in the throat 10 is gradually reduced, and when a gas-liquid mixture enters the throat 10, the movement rate of gas-liquid molecules is accelerated, and the collision with the pipe wall is more violent, so that the gas-liquid separation effect is remarkably improved.
the bent part at the lower end of the gas-liquid separation coil is connected with a liquid pocket 11, and the liquid pocket 11 is communicated with the gas-liquid separation coil; an osmotic membrane 15 is arranged between the liquid bag 11 and the gas-liquid separation coil pipe, and an annular pore 16 is arranged on the liquid bag 11. Liquid substances can permeate into the liquid bag 11 through the permeable membrane 15, and the liquid bag has the function of filtering impurities, and is simple in structure and high in practicability; the annular fine holes 16 are used for dredging liquid substances, and have simple structure and convenient manufacture.
the lower part in barrel 1 is equipped with uplift dish 13, and uplift dish 13 is equipped with slot 14 all around, and the inner end of drain pipe 12 is connected in slot 14, and the outer end of drain pipe 12 stretches out barrel 1. The swelling disc 13 is used for guiding liquid substances to enter the groove 14, so that the gathering effect is achieved, the liquid substances can be conveniently pumped out from the liquid outlet pipe 12, the structure is simple, the design is ingenious, and the practicability is high. The liquid outlet pipe 12 is externally connected with a liquid pump, and the liquid pumping speed is high.
the barrel 1 is provided with a constant temperature controller 8, a transformer T, a single chip microcomputer, a temperature sensor 9, an adjusting circuit P, an electric heating plate PV1 and a condensing plate PV2 are assembled in the constant temperature controller 8, the transformer T is connected with the adjusting circuit P, and the adjusting circuit P is controlled by the single chip microcomputer; the regulating circuit P comprises an intelligent switch K, a hot plate branch Z1, a cold plate branch Z2 and a diode branch Z3, the intelligent switch K is controlled by a single chip microcomputer, the intelligent switch K is matched with the hot plate branch Z1, the hot plate branch Z1 is connected with an electric heating plate PV1, the intelligent switch K is matched with the cold plate branch Z2, and the cold plate branch Z2 is connected with a condensing plate PV 2. The intelligent switch K is matched with the diode branch Z3, the diode branch Z3 is connected with a backward diode L, the backward diode L is connected with the transformer T, and the single chip microcomputer is matched with the temperature sensor 9. The thermostatic controller 8 is used for automatically stabilizing the temperature in the gas-liquid separator, and the working principle is as follows: realize in the singlechip that to be set for having standard temperature value, temperature sensor 9 measures the temperature in the barrel 1 in real time to transmit this temperature signal to the singlechip, the singlechip discerns this temperature signal after and compares with standard temperature value: when the temperature signal is smaller than the standard temperature value, the singlechip controls the intelligent switch K to be connected with the hot plate branch Z1, the electric heating plate PV1 is conducted at the moment, the temperature of the cylinder body 1 starts to rise, after the temperature rises to the standard temperature value, the intelligent switch K is connected with the diode branch Z3, and the electric heating plate PV1 stops working; when the temperature signal is greater than the standard temperature value, the single chip microcomputer controls the intelligent switch K to be connected with the cold plate branch Z2, the condensing plate PV2 is conducted at the moment, the barrel 1 starts to cool, after the temperature is reduced to the standard temperature value, the intelligent switch K is connected with the diode branch Z3, and the condensing plate PV2 stops working; the constant temperature controller 8 ensures stable operation of the gas-liquid separator, maintains high-efficiency working efficiency and reduces the probability of fault occurrence.
And the capacitor C1, the capacitor C2 and the relay U are used for protecting the circuit.
a manufacturing method of a gas-liquid separator for a multi-connected heat pump comprises the following steps:
(1) the structural design of the gas-liquid separator is as follows:
firstly, establishing a conventional gas-liquid separator model, wherein the proportion of a gas-liquid separator model to a gas-liquid separator real object is 1: (3-5); respectively analyzing the internal flow field, the separation efficiency, the pressure loss and the mechanical property of the model, and adjusting the overall structure of the gas-liquid separator according to the analysis result;
(2) Gas-liquid separator sample test: manufacturing a gas-liquid separator sample according to the design result of the step (1), and carrying out a water-vapor separation test on the gas-liquid separator sample:
a. Connecting the gas-liquid separator sample to a test bed;
b. Performing air tightness and safety detection, firstly connecting a pneumatic pump, gradually pressurizing to 0.9MPa after connection, keeping for 10min, and checking whether air leakage exists; after the product is qualified, the next procedure is carried out, otherwise, the problem of air leakage is solved;
c. Cleaning impurities remained in the sample of the gas-liquid separator through a purging pipeline;
d. and introducing a gas-liquid mixed phase for a separation test, and measuring and recording the separation pressure, flow, temperature and water content of the separated gas.
Acquiring test data; checking the qualified condition of the gas-liquid separator sample by checking the test data; and (4) if the result is qualified, entering the next procedure, and otherwise, returning to the step (1) to redesign the structure of the gas-liquid separator.
(3) Preparing materials:
Analyzing the general assembly diagram of the gas-liquid separator, matching raw materials of parts of the gas-liquid separator, and inspecting one by one;
(4) Processing parts:
sequentially processing a cylinder body 1, an upper end cover 2, a lower end cover 3, an air inlet pipe, an air outlet pipe 6, a liquid outlet pipe 12, a gas-liquid separation coil pipe, a liquid bag 11 and a partition plate; the specific processing procedures are as follows:
a. Barrel 1: sequentially adopting the working procedures of pipe cutting, turning, punching, degreasing, acid pickling and drying;
b. And an upper end cover 2: sequentially adopting the working procedures of plate reduction, blanking, stretching, end face turning, punching, degreasing, acid pickling and drying for processing;
c. The lower end cover 3 is processed by sequentially adopting the processes of plate reduction, blanking, stretching, end surface turning, degreasing, acid pickling and drying;
d. air inlet pipe: sequentially adopting the working procedures of blanking, chamfering, flaring, big salient points and cleaning;
e. and (3) an air outlet pipe 6: sequentially adopting the working procedures of blanking, chamfering, flaring, big salient points and cleaning;
f. Gas-liquid separation coil pipe: sequentially adopting blanking, chamfering, bending 1, bending 2, bending 3, punching and cleaning processes;
g. the liquid pocket 11: sequentially adopting the working procedures of molding, pressing, cooling, film pasting and water washing for processing;
h. a clapboard: the processing method sequentially comprises the steps of plate shearing, blanking and punching, degreasing, acid pickling and drying.
(5) Assembling parts:
Firstly, pre-manufacturing an assembly table according to a general assembly drawing of a gas-liquid separator, and arranging a positioning hole according to the assembly position of a part; then, placing the parts on the positioning holes respectively, assembling the parts in sequence according to a general assembly drawing, and temporarily fixing the parts by adopting a temporary clamping piece; technicians measure the distance and the size between the parts and identify the assembly working condition of the parts; after the product is qualified, the next procedure is carried out, otherwise, the assembly working condition is adjusted, and the assembly problem is solved;
(6) Welding:
a. Firstly, welding an upper end cover 2, an air inlet pipe and an air outlet pipe 6 in a helium-filled spot welding mode, and then fixing edges in a helium-filled argon circumferential welding mode; b. welding the liquid bag 11 on the gas-liquid separation disc by adopting a hydrogen filling spot welding mode; b. welding two gas-liquid separation coil pipes to the gas inlet pipe by adopting a nitrogen-filled brass welding mode; c. welding the constant temperature controller 8 and the liquid outlet pipe 12 on the cylinder body 1 in a hydrogen charging spot welding mode, welding the partition plate on the inner side of the cylinder body 1, and welding the edges through hydrogen charging circumference welding; d. welding the cylinder body 1, the upper end cover 2 and the lower end cover 3 in an assembling electric welding mode, fixing by circumferential welding through carbon dioxide filling, and cooling to obtain a crude product;
(7) and (3) processing the crude product by adopting post-treatment procedures (the post-treatment procedures comprise polishing, leakage testing, phosphorization plug installation, phosphorization spraying, pipe orifice correction, rubber plug installation, vacuumizing and nitrogen filling in sequence) to obtain a finished product of the gas-liquid separator.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.
Claims (9)
1. The utility model provides a many vapour and liquid separators for heat pump that ally oneself with, includes barrel, intake pipe, outlet duct and drain pipe, the intake pipe with the outlet duct is located the upper portion of barrel, the drain pipe is located the lower part of barrel, its characterized in that: the gas inlet pipe is connected with a gas-liquid separation coil pipe, the other end of the gas-liquid separation coil pipe faces the gas outlet pipe, the lower end of the gas-liquid separation coil pipe is connected with a liquid bag, the liquid bag is communicated with the gas-liquid separation coil pipe, a permeable membrane is arranged between the liquid bag and the gas-liquid separation coil pipe, and the liquid bag is provided with annular pores; install thermostatic control on the barrel, thermostatic control is equipped with transformer, singlechip, temperature sensor, regulating circuit, electric plate and condenser plate in the ware, the transformer is connected regulating circuit, regulating circuit by the singlechip control, regulating circuit connects respectively the electric plate with the condenser plate, the electric plate with the condenser plate is connected the transformer, the singlechip with temperature sensor matches each other.
2. a gas-liquid separator for a multi-connected heat pump as claimed in claim 1, wherein: the air inlet pipe comprises a first air inlet pipe and a second air inlet pipe, the gas-liquid separation coil comprises a first gas-liquid separation coil and a second gas-liquid separation coil, the first air inlet pipe is connected with the first gas-liquid separation coil, and the second air inlet pipe is connected with the second gas-liquid separation coil.
3. A gas-liquid separator for a multi-connected heat pump as claimed in claim 1, wherein: a hydrophobic layer is laid in the gas-liquid separation coil and is made of polyvinyl chloride resin; and necking parts are uniformly arranged on the gas-liquid separation coil.
4. a gas-liquid separator for a multi-connected heat pump as claimed in claim 1, wherein: the lower part in the barrel is provided with a bulge disc, grooves are formed in the periphery of the bulge disc, the inner end of the liquid outlet pipe is connected into the grooves, and the outer end of the liquid outlet pipe extends out of the barrel.
5. a gas-liquid separator for a multi-connected heat pump as claimed in claim 1, wherein: the regulating circuit comprises an intelligent switch, a hot plate branch, a cold plate branch and a diode branch, the intelligent switch is controlled by the single chip microcomputer, the intelligent switch is matched with the hot plate branch, the hot plate branch is connected with the electric heating plate, the intelligent switch is matched with the cold plate branch, and the cold plate branch is connected with the condensing plate; the intelligent switch is matched with the diode branch, a backward diode is connected to the diode branch, and the backward diode is connected with the transformer.
6. The method for manufacturing the gas-liquid separator for the multi-connected heat pump as recited in claim 1, characterized by comprising the following steps:
(1) the structural design of the gas-liquid separator is as follows: firstly, establishing a conventional gas-liquid separator model, wherein the proportion of a gas-liquid separator model to a gas-liquid separator real object is 1: (3-5); respectively analyzing the internal flow field, the separation efficiency, the pressure loss and the mechanical property of the model, and adjusting the overall structure of the gas-liquid separator according to the analysis result;
(2) gas-liquid separator sample test: manufacturing a gas-liquid separator sample according to the design result of the step (1), and performing a water-vapor separation test on the gas-liquid separator sample to obtain test data; checking the qualified condition of the gas-liquid separator sample by checking the test data; if the result is qualified, entering the next procedure, otherwise, returning to the step (1) to redesign the structure of the gas-liquid separator;
(3) preparing materials: analyzing the general assembly diagram of the gas-liquid separator, matching raw materials of parts of the gas-liquid separator, and inspecting one by one;
(4) Processing parts: sequentially processing a cylinder, an upper end cover, a lower end cover, an air inlet pipe, an air outlet pipe, a liquid outlet pipe, a gas-liquid separation coil pipe, a liquid pocket and a partition plate;
(5) assembling parts: firstly, pre-manufacturing an assembly table according to a general assembly drawing of a gas-liquid separator, and arranging a positioning hole according to the assembly position of a part; then, placing the parts on the positioning holes respectively, assembling the parts in sequence according to a general assembly drawing, and temporarily fixing the parts by adopting a temporary clamping piece; technicians measure the distance and the size between the parts and identify the assembly working condition of the parts; after the product is qualified, the next procedure is carried out, otherwise, the assembly working condition is adjusted, and the assembly problem is solved;
(6) welding: a. firstly, welding an upper end cover, an air inlet pipe and an air outlet pipe in a helium-filled spot welding mode, and then fixing edges in a helium-filled argon circumferential welding mode; b. welding the liquid bag on the gas-liquid separation disc in a hydrogen filling spot welding mode; b. welding two gas-liquid separation coil pipes to the gas inlet pipe by adopting a nitrogen-filled brass welding mode; c. welding the constant temperature controller and the liquid outlet pipe on the cylinder body in a hydrogen charging spot welding mode, welding the partition plate on the inner side of the cylinder body, and welding edges through hydrogen charging circumference; d. welding the cylinder body, the upper end cover and the lower end cover in an assembling electric welding mode, fixing by circumferential welding through carbon dioxide filling, and obtaining a crude product after cooling;
(7) and (5) processing the crude product by adopting a post-treatment process to obtain a finished product of the gas-liquid separator.
7. the method for manufacturing the gas-liquid separator for the multi-connected heat pump as recited in claim 6, wherein the method comprises the following steps: the water-steam separation test in the step (2) comprises the following specific steps: a. connecting the gas-liquid separator sample to a test bed; b. performing air tightness and safety detection, firstly connecting a pneumatic pump, gradually pressurizing to 0.9MPa after connection, keeping for 10min, and checking whether air leakage exists; after the product is qualified, the next procedure is carried out, otherwise, the problem of air leakage is solved; c. cleaning impurities remained in the sample of the gas-liquid separator through a purging pipeline; d. and introducing a gas-liquid mixed phase for a separation test, and measuring and recording the separation pressure, flow, temperature and water content of the separated gas.
8. The method for manufacturing the gas-liquid separator for the multi-connected heat pump as recited in claim 7, wherein: the processing procedures of each part in the step (4) are as follows: a. barrel: sequentially adopting the working procedures of pipe cutting, turning, punching, degreasing, acid pickling and drying; b. an upper end cover: sequentially adopting the working procedures of plate reduction, blanking, stretching, end face turning, punching, degreasing, acid pickling and drying for processing; c. the lower end cover is processed by processes of plate reduction, blanking, stretching, end face turning, degreasing, acid washing and drying in sequence; d. air inlet pipe: sequentially adopting the working procedures of blanking, chamfering, flaring, big salient points and cleaning; e. an air outlet pipe: sequentially adopting the working procedures of blanking, chamfering, flaring, big salient points and cleaning; f. gas-liquid separation coil pipe: sequentially adopting blanking, chamfering, bending 1, bending 2, bending 3, punching and cleaning processes; g. a liquid bag: sequentially adopting the working procedures of molding, pressing, cooling, film pasting and water washing for processing; h. a clapboard: the processing method sequentially comprises the steps of plate shearing, blanking and punching, degreasing, acid pickling and drying.
9. The method for manufacturing the gas-liquid separator for the multi-connected heat pump as recited in claim 7, wherein: and (4) the post-treatment process in the step (7) comprises polishing, leakage testing, phosphorization plug installation, phosphorization spraying, pipe orifice correction, rubber plug installation, vacuumizing and nitrogen filling in sequence.
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| CN107998756B (en) * | 2017-12-08 | 2020-03-06 | 青岛开拓隆海制冷配件有限公司 | Gas-liquid separator and acid-washing-free manufacturing method thereof |
| CN108371846B (en) * | 2018-03-30 | 2023-09-26 | 江苏新凯晟机械设备有限公司 | Gas-liquid separation device |
| CN110202323A (en) * | 2019-05-27 | 2019-09-06 | 南通宇一机械设备有限公司 | A kind of production technology of vertical steam-water separation tank |
| CN116592541B (en) * | 2023-04-28 | 2023-12-05 | 宁波旭升集团股份有限公司 | Processing equipment of gas-liquid separator |
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Effective date of registration: 20230322 Address after: 266300 No. 21 Xiangjiang Road, Jiaozhou Economic and Technological Development Zone, Jiaozhou City, Qingdao City, Shandong Province Patentee after: Qingdao Kaifa Longhai Intelligent Control Co.,Ltd. Address before: No.1, Jinhai Road, Hongdao Economic Zone, Qingdao, Shandong 266113 Patentee before: QINGDAO KAITUO LONGHAI REFRIGERATION FITTINGS CO.,LTD. Patentee before: SHAOXING FANGYUAN REFRIGERATION FITTINGS TESTING CO.,LTD. |