CN113857156B - CO2 safe phase change descaling device that possesses multiple impact effect - Google Patents
CO2 safe phase change descaling device that possesses multiple impact effect Download PDFInfo
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- CN113857156B CN113857156B CN202111139421.9A CN202111139421A CN113857156B CN 113857156 B CN113857156 B CN 113857156B CN 202111139421 A CN202111139421 A CN 202111139421A CN 113857156 B CN113857156 B CN 113857156B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention discloses a CO2 safe phase change descaling device with multiple impact effects, which belongs to the technical field of cement production equipment and comprises a main phase variable capacitor, wherein one side of the main phase variable capacitor is connected with at least one auxiliary phase variable capacitor, phase change energy recovery assemblies are arranged inside the auxiliary phase variable capacitor and the main phase variable capacitor, two adjacent auxiliary phase variable capacitors are mutually communicated, and one side of the auxiliary phase variable capacitor positioned at the last stage is connected with at least one safe pressure relief container. The invention provides a method for descaling cement production equipment by utilizing phase change of liquid carbon dioxide to form gas pressure rise, which is suitable for the production environment of cement dust due to the characteristic that carbon dioxide cannot burn or does not support burning, and the characteristic of rapid phase change in a proper temperature environment can shorten the energy storage time.
Description
Technical Field
The invention relates to the technical field of cement production equipment, in particular to a CO2 safe phase change descaling device with a multiple impact effect.
Background
In the cement industry, the phenomena of skinning, scaling, blockage and material accumulation easily occur in a plurality of places in the production process, downstream equipment may need to be shut down in order to remove the blocking and scale, and the equipment enters the equipment for removing operation, so that the production efficiency is influenced, and the potential safety hazard of the operation also exists.
The preheater, the decomposing furnace and the kiln tail smoke chamber belong to the parts of high-temperature production links, and when the potassium, sodium or chloride ion content of raw materials is high, or when the sulfur content of fuel coal is high, the raw materials are easy to form crusts and block; the kiln head smoke chamber has large temperature difference and is easy to accumulate and block.
The existing blockage removing and descaling scheme usually adopts an air cannon technology, the air cannon applies work by high-pressure air, and the energy density of a work applying medium is low, namely the high-pressure air per unit volume has small mass, small release kinetic energy and weak work applying capacity; the high-pressure air accumulates working energy by a compressed volume, the compressed air is converted into normal-pressure air when the energy is released and the working is done, the pressure intensity is quickly attenuated along with the increase of the distance, the descaling effective range is small, and the distance is short; if the air cannon needs to form high pressure, the air cannon is large in size, complex in system, long in energy storage time, large in potential safety hazard and weak in air cannon acting capacity, manual auxiliary operation is often needed, the operation efficiency is reduced, the labor cost is increased, the potential safety hazard is also increased, the air cannon descaling effect is not good enough, the risks of smoke chamber blockage and production line production stoppage are increased, and therefore large economic loss is caused, and the loss of one-time production stoppage is about 30 ten thousand yuan.
Therefore, the CO2 phase-change expansion descaling work device is safe and efficient, and has multiple impact effects for skinning, scaling, blocking and aggregate removal.
Disclosure of Invention
The invention aims to provide a CO2 safe phase change descaling device with multiple impact effects to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a CO2 safe phase-change descaling device with multiple impact effects comprises a main phase volume changer, wherein one side of the main phase volume changer is connected with at least one auxiliary phase volume changer, phase-change energy recovery assemblies are arranged inside the auxiliary phase volume changers and the main phase volume changer, two adjacent auxiliary phase volume changers are communicated with each other, one side of the auxiliary phase volume changer at the last stage is connected with at least one safe pressure relief container, two adjacent safe pressure relief containers are communicated with each other, a pressure relief pipe is connected to the safe pressure relief container at the last stage, detection boxes are connected to the main phase volume changer, the auxiliary phase volume changers and the safe pressure relief containers, constant temperature medium boxes are arranged on the outer sides of the main phase volume changer, the auxiliary phase volume changers and the safe pressure relief containers, heating pipes are arranged inside the constant temperature medium boxes, and one end of the tops of the constant temperature medium boxes is connected with an extension pipe;
phase change chambers are arranged inside the main phase volume changer and the auxiliary phase volume changer, a liquid inlet pipe is connected to the phase change chamber at the position of the main phase volume changer, a main gas outlet pipe is further connected to the phase change chamber at the position of the main phase volume changer, an electric gas guide pipe and a mechanical force gas guide pipe are connected between two adjacent main phase volume changers, auxiliary phase volume changers and a safety pressure relief container, an electromagnetic valve and a safety valve are respectively installed on the electric gas guide pipe and the mechanical force gas guide pipe, one-way valves are installed on the electric gas guide pipe and the mechanical force gas guide pipe, auxiliary gas outlet pipes are connected to the phase change chambers at the position of the auxiliary phase volume changers, electric valves are installed on the auxiliary gas outlet pipes and the main gas outlet pipes, one ends, far away from the auxiliary phase changers, of the auxiliary gas outlet pipes are communicated with the main gas outlet pipe at the downstream of the electric valves, gas outlet pipes and auxiliary gas outlet pipes are connected with gas relief pipes, gas relief valves are arranged side by side, and a top opening assembly for driving the gas relief valves to open is connected to use is connected to the pressure relief pipes;
and a liquid injection pipe is connected to the main air outlet pipe at the downstream of the auxiliary air outlet pipe, an electromagnetic valve is installed on the liquid injection pipe, and a heating ring is wound on the outer side of the main air outlet pipe at the downstream of the liquid injection pipe.
Preferably, the phase change energy recovery assembly comprises a pair of piston cavities symmetrically arranged on two sides of a phase change cavity, piston rods are arranged inside a main phase variable capacitor and an auxiliary phase variable capacitor between the piston cavities and the phase change cavity, two ends of each piston rod extend to the insides of the piston cavities and the phase change cavity respectively and are provided with movable plugs, an extrusion spring is arranged between each movable plug and the corresponding piston cavity, a liquid suction pipe and a liquid outlet pipe are connected to the main phase variable capacitor and the auxiliary phase variable capacitor on one side of the piston cavities, one check valve is arranged on each liquid suction pipe and the liquid outlet pipe, one end, far away from the piston cavities, of the liquid outlet pipe extends to the outside of the phase change cavities and is annularly arranged, and spray heads are arranged on the annularly arranged liquid outlet pipes at equal intervals along the circumferential direction of the liquid outlet pipes.
Preferably, the subassembly is opened including installing the connecting rod that is used for driving the valve clack and opens the use on the release valve to the subassembly, the bottom welding of constant temperature medium case has the mount, the cylinder has been arranged to the inboard perpendicular to connecting rod direction of mount, be connected with the hose between cylinder and the pressure release pipe, the cylinder output is connected with the ejector pin that runs through the connecting rod and arrange, run through on the connecting rod with being used for the ejector pin to wear to establish logical groove of use, and arrange on the ejector pin with leading to the oblique guide block of groove looks adaptation.
Preferably, a pressure sensor and a temperature sensor are arranged in the detection box.
Preferably, the cooling medium in the constant temperature medium box is a liquid medium capable of absorbing carbon dioxide, and the cooling medium in the constant temperature medium box is water.
Compared with the prior art, the invention has the beneficial effects that:
1: the invention provides a method for descaling cement production equipment by utilizing phase change of liquid carbon dioxide to gas state for boosting, which is suitable for production environment of cement dust due to the characteristic that carbon dioxide cannot be combusted and does not support combustion, and the method can shorten energy storage time due to the characteristic of rapid phase change in a suitable temperature environment.
2: the arrangement of the phase change energy recovery component and the constant temperature medium box can provide a relatively stable external temperature environment for the phase change of carbon dioxide, the phase change process of the carbon dioxide absorbs heat, the use of the constant temperature medium box stabilizes the phase change temperature environment, the influence of temperature on the phase change of the carbon dioxide is limited, the influence of carbon dioxide leakage is reduced, the use safety is improved, the use limit of a traditional single phase change container is changed by the phase change energy recovery component, the energy is recovered and utilized by utilizing the carbon dioxide in the phase change initial stage to the preset expected phase change air pressure and the volume weight process, the size of the carbon dioxide phase change energy is not influenced, the gasification expansion energy in the phase change initial stage of the carbon dioxide is provided for driving the flowing effect of the temperature rising liquid in the constant temperature medium box, the energy consumption is saved, and the long-term use requirement is met.
3: the liquid injection pipe and the heating ring provide a sufficient phase change environment for carbon dioxide phase change at the tail end of the main air outlet pipe, and carbon dioxide gas discharged by the main air outlet pipe directly enters cement production equipment for descaling, so that the main air outlet pipe at the downstream of the electric valve is arranged in a normally open state, the temperature is increased to cause rapid phase change of carbon dioxide, the short-time phase change gas expansion cannot cause damage influence, only the release air pressure and the gas flow rate can be increased, the liquid carbon dioxide is injected into the liquid carbon dioxide along with carbon dioxide air released by the phase change chamber, the temperature is rapidly increased, the phase change is rapidly increased, the released energy is increased, and the descaling effect is improved.
Drawings
FIG. 1 is a schematic diagram of an internal top view of the present invention;
FIG. 2 is a schematic view of the interior elevation structure of the present invention;
FIG. 3 is a schematic diagram of a front view of the internal structure of a main phase varactor part according to the present invention;
FIG. 4 is a schematic top view of a primary phase varactor, a secondary phase varactor, and a safety pressure relief vessel in accordance with the present invention;
FIG. 5 is a schematic top view of the top opening assembly of the present invention;
FIG. 6 is a schematic perspective view of the slant guide block and the air release valve according to the present invention.
In the figure: 1. an electromagnetic valve; 2. a detection cartridge; 3. a safe pressure relief container; 4. a safety valve; 5. a pressure relief pipe; 6. a secondary phase varactor; 7. a spray head; 8. a main phase varactor; 9. a liquid inlet pipe; 10. a liquid outlet pipe; 11. an electrically powered airway tube; 12. a mechanical force gas guide tube; 13. a constant temperature medium box; 14. heating a tube; 15. an extension tube; 16. a hose; 17. a fixed mount; 18. a gas release valve; 19. a secondary air outlet pipe; 20. a main air outlet pipe; 21. heating a ring; 22. a liquid injection pipe; 23. an electrically operated valve; 24. a piston cavity; 25. an air escape pipe; 26. a phase change chamber; 27. a pipette; 28. a compression spring; 29. a movable plug; 30. a cylinder; 31. a top rod; 32. an inclined guide block; 33. a connecting rod; 34. a through groove; 35. a piston rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-6, a CO2 safe phase change descaling device with multiple impact effects, mainly used for cleaning equipment parts which are easy to scale, block and accumulate in cement production process, comprises a main phase varactor 8, at least one secondary phase varactor 6 is connected to one side of the main phase varactor 8, in this embodiment, for descaling a certain part of cement production equipment, 1 secondary phase varactor 6 is selected for use, phase change energy recovery components are arranged inside the secondary phase varactor 6 and the main phase varactor 8, two adjacent secondary phase varactors 6 are communicated with each other, at least one safe pressure relief container 3 is connected to one side of the secondary phase varactor 6 at the last stage, the safe pressure relief container 3 performs volume increase and decrease according to the increase and decrease of the number of the secondary phase varactors 6, the safe pressure relief container 3 is used for storing redundant gaseous carbon dioxide under the condition that a valve controlling energy release is damaged, the main and secondary phase varactors are connected to avoid over-high pressure, two adjacent safe pressure relief containers 3 are communicated with each other, a pressure relief box 5 is arranged on the safe pressure relief container 3 at the last stage, a pressure relief box 5 is connected to the safe pressure relief container 3, a pressure relief box 2 is connected to the main phase varactor 6, a pressure relief box 2, a pressure sensor and a pressure sensor are arranged outside the safe pressure relief box 2, and a pressure relief box 2 are arranged to monitor the pressure relief box and a temperature sensor for real-pressure sensor for detecting the pressure of the main phase pressure of the safe pressure relief container 2, and a temperature sensor 2, and a real-pressure sensor for real-time, and a real-time detecting the pressure sensor for detecting the pressure of the safe pressure relief container 2, the main phase variable capacitor 8, the secondary phase variable capacitor 6 and the safety pressure relief container 3 are all arranged at the middle position inside the constant temperature medium box 13, a heating pipe 14 is installed inside the constant temperature medium box 13, the heating pipe 14 controls the temperature inside the constant temperature medium box 13 to be about 35 ℃, carbon dioxide can be fully subjected to phase change, and excessive air pressure cannot be generated too high to increase the use safety, a liquid medium capable of absorbing carbon dioxide is selected as a cooling medium inside the constant temperature medium box 13, the liquid medium can be water or other water-based cooling liquid, the cooling medium only represents the liquid medium, the effect inside the constant temperature medium box 13 is actually used for keeping temperature heat exchange and constant temperature, the effect of temperature rise when the temperature of the carbon dioxide is reduced in the process of changing the liquid phase into the gas phase is achieved at the positions of the main phase variable capacitor 8, the secondary phase variable capacitor 6 and the safety pressure relief container 3, the effect of avoiding heat from influencing the phase change temperature environment when the external environment of a factory is achieved, an extension pipe 15 is connected to facilitate filling of the cooling medium for use, meanwhile, the non-closed use of the constant temperature leakage and the effect of explosion and the absorption of the external temperature impact of the constant temperature impact of the carbon dioxide leakage are achieved, and the external temperature of the water cooling medium box 13 is avoided, and the external temperature of the water cooling medium is also affected by the external high temperature of the external temperature of the water cooling medium.
The phase change chamber 26 is used for phase change of liquid carbon dioxide into gas for use, the phase change chamber 26 at the position of the main phase volume changer 8 is connected with a liquid inlet pipe 9, the liquid carbon dioxide enters the phase change chamber 26 at the position of the main phase volume changer 8 through the liquid inlet pipe 9 by filling equipment, an electric valve and a one-way valve are installed on the liquid inlet pipe 9 and controlled by a controller, the quantitative carbon dioxide is injected into the liquid inlet pipe 9 to increase safety while meeting use requirements, the quantitative carbon dioxide is controlled by the filling equipment, specifically, a flow sensor or a retransmission sensor or timing filling is realized, and the like, a main air outlet pipe 20 is also connected with the phase change chamber 26 at the position of the main phase volume changer 8, the main air outlet pipe 20 is a pipeline connected with equipment needing descaling, the main air outlet pipe 20 is connected with the equipment pipeline through a flange plate to increase stability, electric pressure relief valves 11 and mechanical force 12 are connected between the main phase volume changer 8, the auxiliary phase volume changer 6 and the safety container 3 which are arranged adjacently, the air ducts are connected with the safety valves 11 and the safety valves 11, the safety valves 11 are installed on the safety valves 11, the safety valves and the safety valves 12 are opened or closed by the electric pressure valves, and the electric air ducts 11 are controlled by the safety valves, even if the safety valves 11 are opened or the safety valves, the safety valves 11 are opened, the safety valves 11 is damaged, the safety valves 11, the safety valves are controlled by the electric pressure valve 11, the electric pressure valve is controlled by the electric pressure valve, the electric pressure valve is controlled by the electric valve, the safety valve 11, the mechanical air duct 12 can be opened and used normally to increase safety, the phase change chambers 26 at the secondary phase variable volume 6 are connected with secondary air outlet pipes 19, the secondary air outlet pipes 19 and the primary air outlet pipe 20 are both provided with electric valves 23, one ends of the secondary air outlet pipes 19 far away from the secondary phase variable volume 6 are both communicated with the primary air outlet pipe 20 at the downstream of the electric valves 23, the secondary air outlet pipes 19 and the primary air outlet pipe 20 are in the same shape, so that the primary phase variable volume 8 is released at first during descaling, the secondary air outlet pipes 19 are released immediately after the release of energy to achieve the effect of multiple (double) impact descaling, the primary air outlet pipes 20 and the secondary air outlet pipes 19 between the upstream and downstream of the electric valves 23 are both connected with air release pipes 25, the air release valves 18 are both installed on the air release pipes 25, the air release valves 18 at the primary air outlet pipes 20 and the secondary air outlet pipes 19 are arranged side by side, the air release pipes 5 are connected with a jacking assembly for driving the air release valves 18 to open, the air duct 25 are arranged identically to equal to the purpose of arrangement of the air duct 12, the mechanical air duct can still be opened under the condition that the electrical failure of the mechanical air outlet pipes 20 and the secondary air outlet pipes 19, and the mechanical air duct is still opened by external force, and the jacking assembly has the unique jacking effect of forcing, namely, the jacking assembly has the jacking effect of the jacking effect.
The ejection component comprises a connecting rod 33 which is arranged on the air escape valve 18 and used for driving the valve clack to open for use, the opening and closing of the valve clack are controlled by the elastic force of a spring in the air escape valve 18, the connecting rod 33 can drive the valve clack to overcome the elastic force to open forcibly, a fixing frame 17 is welded at the bottom of the constant temperature medium box 13, an air cylinder 30 is arranged on the inner side of the fixing frame 17 and is vertical to the direction of the connecting rod 33, the air cylinder 30 can also be a piston rod, a hose 16 is connected between the air cylinder 30 and a pressure relief pipe 5, the expansion and contraction of the air cylinder 30 are controlled by the air pressure in the safety pressure relief container 3, the output end of the air cylinder 30 is connected with an ejector rod 31 which is arranged by penetrating through the connecting rod 33, a through groove 34 which is used for penetrating through the ejector rod 31 to use is penetrated through, and an inclined guide block 32 which is matched with the through groove 34 is arranged on the ejector rod 31, therefore, the air pressure in the safety pressure relief container 3 drives the air cylinder 30 to extend to drive the inclined guide block 32 to forcibly eject the connecting rod 33 to open the air release valve 18 for safety protection, generally, when the air pressure in the safety pressure relief container 3 has the strength of ejecting the air cylinder 30 to extend, the air pressures in the main phase variable container 8 and the auxiliary phase variable container 6 are large and potential safety hazards exist, specifically, the opening force of the mechanical force air duct 12 connected between the last-stage auxiliary phase variable container 6 and the first-stage safety pressure relief container 3 is larger than that of the air release valve 18, that is, the normally-exceeded air pressure can be discharged from the air release valve 18 and the air release pipe 25 to achieve safety protection, when the air release valve 18 is damaged, the continuously-increased air pressure can enter the safety pressure relief container 3 for buffering, and the opening air pressures of the valves controlled to be opened and closed by mechanical force are all within the safety air pressure threshold value which can bear by the container.
The phase change energy recovery assembly comprises a pair of piston cavities 24 symmetrically arranged on two sides of a phase change cavity 26, piston rods 35 are arranged inside a main phase volume changer 8 and an auxiliary phase volume changer 6 between the piston cavities 24 and the phase change cavity 26, two ends of each piston rod 35 extend into the piston cavities 24 and the phase change cavity 26 respectively and are provided with movable plugs 29, a detachable installation mode is adopted between each movable plug 29 and the corresponding piston rod 35, the thickness of each movable plug 29 at two ends of each piston rod 35 is changed according to actual conditions, and is favorable for controlling the volume of phase change gas, an extrusion spring 28 is arranged between each movable plug 29 and the corresponding piston cavity 24, a liquid suction pipe 27 and a liquid outlet pipe 10 are connected to the main phase changer 8 and the auxiliary phase volume changer 6 on one side, far away from the phase change cavity 26, of the piston cavities 24, the liquid suction pipe 27 and the liquid outlet pipe 10 are connected, one-way valves are installed on the liquid suction pipe 27 and the liquid outlet pipe 10, one end, far away from the piston cavities 24, extends to the outer side of the phase change cavity 26 and is arranged in an annular shape, and spray heads 7 are arranged on the annular arrangement pipe 10 at equal intervals along the circumferential direction of the annular arrangement for driving cooling medium to flow for use.
The device is characterized in that a liquid injection pipe 22 is connected to the main gas outlet pipe 20 at the downstream of the auxiliary gas outlet pipe 19, the liquid injection pipe 22 is connected with an external carbon dioxide injection device, the normal opening and closing of the liquid injection pipe 22 are only controlled electrically, the opening time of the liquid injection pipe 22 is consistent with that of the electric valves 23 at the positions of the auxiliary gas outlet pipe 19 and the main gas outlet pipe 20, an electromagnetic valve and a one-way valve for avoiding backflow use are installed on the liquid injection pipe 22, the liquid injection pipe 22 is inclined to the main gas outlet pipe 20, the arrangement effect is good, gas circulation is facilitated, a heating ring 21 is wound on the outer side of the main gas outlet pipe 20 at the downstream of the liquid injection pipe 22, and the heating ring 21 heats the temperature controller at about 50 ℃ and the heating area is longer in length.
Example 2
The difference between the present embodiment and the above embodiments is that a plurality of secondary phase variable capacitors 6 and a plurality of safety pressure relief containers 3 are provided, so as to mainly solve the problem of descaling at a plurality of scale-storing positions of the equipment, the only change is to adjust the connection relationship of the secondary air outlet pipes 19, the primary air outlet pipe 20 is also connected to a position of the equipment where descaling is required, and other positions of the equipment where descaling is required are communicated with the equipment through the secondary air outlet pipes 19 on the secondary phase variable capacitors 6 of the following stages, which is commonly understood that the primary phase variable capacitor 8 and a plurality of secondary phase variable capacitors 6 sequentially connected in sequence are connected to the equipment through the primary air outlet pipe 20 to realize multiple descaling at a certain position, and the primary secondary phase variable capacitor 6 at the tail end is used as the primary phase variable capacitor 8, so that the purpose of simultaneously descaling at a plurality of positions of the equipment by using a single device is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a CO2 safety phase transition scale removal device that possesses multiple impact effect which characterized in that: the phase-change energy recovery device comprises a main phase variable capacitor (8), wherein one side of the main phase variable capacitor (8) is connected with at least two auxiliary phase variable capacitors (6), phase-change energy recovery components are arranged inside the auxiliary phase variable capacitors (6) and the main phase variable capacitor (8), two adjacent auxiliary phase variable capacitors (6) are communicated with each other, one side of the auxiliary phase variable capacitor (6) positioned at the last stage is connected with at least two safe pressure-relief containers (3), two adjacent safe pressure-relief containers (3) are communicated with each other, the safe pressure-relief container (3) positioned at the last stage is connected with a pressure-relief pipe (5), the main phase variable capacitor (8), the auxiliary phase variable capacitors (6) and the safe pressure-relief container (3) are connected with detection boxes (2), constant-temperature medium boxes (13) are arranged on the outer sides of the main phase variable capacitor (8), the auxiliary phase variable capacitors (6) and the safe pressure-relief container (3), heating pipes (14) are arranged inside the constant-temperature medium boxes (13), and one end of the tops of the constant-temperature medium boxes (13) is connected with an extension pipe (15);
the phase change type electric water heater is characterized in that phase change chambers (26) are arranged inside the main phase volume changer (8) and the auxiliary phase volume changer (6), a liquid inlet pipe (9) is connected to the phase change chamber (26) inside the main phase volume changer (8), a main air outlet pipe (20) is further connected to the phase change chamber (26) inside the main phase volume changer (8), electric air guide pipes (11) and mechanical air guide pipes (12) are connected between the main phase volume changer (8) and the auxiliary phase volume changer (6) which are arranged adjacently, electric air guide pipes (11) and mechanical air guide pipes (12) are connected between the auxiliary phase volume changer (6) and the safety pressure relief container (3) which are arranged adjacently, electromagnetic valves (1) and safety valves (4) are respectively installed on the electric air guide pipes (11) and the mechanical air guide pipes (12), one-way valves are installed on the electric air guide pipes (11) and the mechanical air guide pipes (12), auxiliary air outlet pipes (19) are connected to the phase change chamber (26) inside the auxiliary phase volume changer (6), electric valves (23) and electric valves (23) are installed on the main phase outlet pipes (19), one ends of the auxiliary air outlet pipes (19) and the auxiliary air outlet pipes (23) are far away from the main phase change chamber (23), and the auxiliary air outlet pipes (23), and the main phase outlet pipes (23) are communicated with the auxiliary air outlet pipes (23), and the main phase outlet pipes (19) on the main phase change chamber (6), and the auxiliary valve (23) are communicated with the auxiliary valve (23), and the auxiliary valve (20) on the lower stream of the main phase outlet pipes The air release pipe (25) is connected, the air release valves (18) are mounted on the air release pipes (25), the main air outlet pipe (20) and the air release valves (18) at the auxiliary air outlet pipe (19) are arranged side by side, and the pressure release pipe (5) is connected with a jacking assembly for driving the air release valves (18) to be opened for use;
a liquid injection pipe (22) is connected to the main air outlet pipe (20) at the downstream of the auxiliary air outlet pipe (19), an electromagnetic valve is installed on the liquid injection pipe (22), and a heating ring (21) is wound on the outer side of the main air outlet pipe (20) at the downstream of the liquid injection pipe (22).
2. The CO2 safe phase-change descaling device with multiple impact effects as claimed in claim 1, wherein: the phase change energy recovery assembly comprises a pair of piston cavities (24) symmetrically arranged on two sides of a phase change cavity (26), piston rods (35) are arranged between the piston cavities (24) inside the main phase variable capacitor (8) and the auxiliary phase variable capacitor (6) and the phase change cavity (26), two ends of each piston rod (35) extend into the piston cavities (24) and the phase change cavity (26) respectively and are provided with movable plugs (29), an extrusion spring (28) is arranged between each movable plug (29) and the corresponding piston cavity (24), the main phase capacitor (8) and the auxiliary phase capacitor (6) on one side, far away from the phase change cavity (26), of the piston cavities (24) are connected with liquid suction pipes (27) and liquid discharge pipes (10), one ends, far away from the piston cavities (24), of the liquid discharge pipes (10) extend to the outer side of the phase change cavity (26) and are annularly arranged, and spray heads (7) are arranged on the annularly arranged on the liquid discharge pipes (10) at equal intervals along the circumferential direction of the liquid discharge pipes.
3. The CO2 safe phase-change descaling device with multiple impact effects as claimed in claim 1, wherein: the ejection component comprises a connecting rod (33) installed on an air escape valve (18) and used for driving a valve clack to open, a fixing frame (17) is welded at the bottom of a constant-temperature medium box (13), a cylinder (30) is arranged in the direction of an inner side perpendicular to connecting rod (33) of the fixing frame (17), a hose (16) is connected between the cylinder (30) and a pressure relief pipe (5), an ejector rod (31) penetrating through the connecting rod (33) is connected to the output end of the cylinder (30), a through groove (34) used for the ejector rod (31) to penetrate through is formed in the connecting rod (33), and an inclined guide block (32) matched with the through groove (34) is arranged on the ejector rod (31).
4. The safe CO2 phase-change descaling device with multiple impact effects as claimed in claim 1, wherein: and a pressure sensor and a temperature sensor are arranged in the detection box (2).
5. The CO2 safe phase-change descaling device with multiple impact effects as claimed in claim 1, wherein: the cooling medium in the constant temperature medium box (13) is liquid medium capable of absorbing carbon dioxide, and the cooling medium in the constant temperature medium box (13) is water.
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| CN202111139421.9A CN113857156B (en) | 2021-09-28 | 2021-09-28 | CO2 safe phase change descaling device that possesses multiple impact effect |
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