CN113857156A

CN113857156A - CO2 safe phase change descaling device that possesses multiple impact effect

Info

Publication number: CN113857156A
Application number: CN202111139421.9A
Authority: CN
Inventors: 陈翔; 丁思年; 丁成维; 夏佳佳
Original assignee: Anhui Youming Bafang Technology Co ltd
Current assignee: Anhui Youming Bafang Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-12-31
Anticipated expiration: 2041-09-28
Also published as: CN113857156B

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 communicated with each other, 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

CO2 safe phase change descaling device that possesses multiple impact effect

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 to enter the equipment for removing in order to remove the blocking and scaling bodies, 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 high-temperature production link part, and the raw materials are easy to be skinned and blocked when the potassium, sodium or chloride ion content is high or the sulfur content of the fuel coal is high; 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 work applying medium has low energy density, namely the high-pressure air of unit volume has small mass, small release kinetic energy and weak work applying capacity; the high-pressure air accumulates working energy by the compressed volume, the compressed gas is converted into normal-pressure gas when the energy is released and the working is done, the pressure intensity is quickly attenuated along with the increase of the distance, the effective descaling range is small, and the distance is short; if the air cannon needs to form high pressure, the air cannon has the disadvantages of large size, complex system, long energy storage time, large potential safety hazard, weak air cannon working capacity, frequent manual auxiliary operation, reduced operation efficiency, increased labor cost, increased potential safety hazard, poor scale removal effect of the air cannon, increased risk of smoke chamber blockage and production line shutdown, and great economic loss, and the one-time loss of general shutdown 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 a multiple impact effect, which is used for solving 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 variable container, 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 capacitors and the main phase variable capacitor, two adjacent auxiliary phase variable capacitors are communicated with each other, one side of the auxiliary phase variable capacitor positioned 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, the safe pressure relief container positioned at the last stage is connected with a pressure relief pipe, the main phase variable capacitor, the auxiliary phase variable capacitor and the safe pressure relief container are all connected with detection boxes, constant temperature medium boxes are arranged on the outer sides of the main phase variable capacitor, the auxiliary phase variable capacitor and the safe pressure relief container, heating pipes are installed inside the constant temperature medium boxes, and one end of the top of each constant temperature medium box is connected with an extension pipe;

phase change cavities are arranged inside the main phase volume changer and the auxiliary phase volume changer, a liquid inlet pipe is connected to the phase change cavity at the position of the main phase volume changer, a main gas outlet pipe is further connected to the phase change cavity 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 main phase volume changers, the auxiliary phase volume changers and the safety pressure relief container which are adjacently arranged, an electromagnetic valve and a safety valve are respectively arranged on the electric gas guide pipe and the mechanical force gas guide pipe, one-way valves are respectively arranged on the electric gas guide pipe and the mechanical force gas guide pipe, auxiliary gas outlet pipes are respectively connected to the phase change cavities at the position of the auxiliary phase volume changer, electric valves are respectively arranged on the auxiliary gas outlet pipes and the main gas outlet pipes, one ends of the auxiliary gas outlet pipes, far away from the auxiliary phase changers, are respectively communicated with the main gas outlet pipes at the downstream of the electric valves, and gas outlet pipes between the upstream and downstream of the electric valves are respectively connected with gas relief pipes, the air release valves are arranged on the air release pipes, the air release valves at the positions of the main air outlet pipe and the auxiliary air outlet pipe are arranged in parallel, and the air release pipes are connected with ejection assemblies for driving the air release valves to open;

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 top subassembly is including installing the connecting rod that is used for driving the valve clack and opens the use on the snuffle valve, 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 the 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 be gaseous for boosting, which is suitable for production environment of cement dust due to the characteristic that carbon dioxide cannot be combusted or does not support combustion, and the method has the characteristic that the carbon dioxide can be rapidly changed in phase under the suitable temperature environment, so that the energy storage time can be shortened, on one hand, the method is safe and efficient to use, simultaneously, a plurality of main phase varistors and auxiliary phase varistors which are identical in structure and communicated in sequence are utilized for phase change of the liquid carbon dioxide, the main phase varistors and the auxiliary phase varistors are sequentially released from high-pressure carbon dioxide air to realize multiple continuous descaling use, the main phase varistors firstly release energy, the auxiliary phase varistors which are sequentially arranged are sequentially opened to release energy to improve the descaling effect, on the other hand, the main phase varistors and the auxiliary phase varistors are sequentially communicated, and after the phase change of the carbon dioxide in the main phase varistors reaches the suitable and safe air pressure, the main phase varistors can enter the next-changed into the auxiliary phase varistors through an electric varistors or a mechanical air duct The phase change chambers of the simple pipeline are internally filled with carbon dioxide for use, and the mechanical force air guide pipe can be automatically opened when the air pressure in the phase change chambers reaches a certain value and overcomes the valve clack extrusion force of the safety valve, and the auxiliary phase variable containers and the safety pressure relief containers are matched to play a role in filling carbon dioxide excessively or can be used for sequentially flattening the air pressure generated by phase change of the filled carbon dioxide when the temperature rises to exceed a preset value, all the main phase variable containers, the auxiliary phase variable containers and the safety pressure relief containers at all levels also have the pressure relief effect, and the safety in the carbon dioxide phase change descaling use process is greatly ensured.

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 internal front view 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 is mainly used for cleaning equipment parts which are easy to scale, block and accumulate in a cement production process, and comprises a main phase variable container 8, wherein one side of the main phase variable container 8 is connected with at least one auxiliary phase variable container 6, in the embodiment, for descaling a certain part of cement production equipment, 1 auxiliary phase variable container 6 is selected for use, phase change energy recovery assemblies are arranged inside the auxiliary phase variable container 6 and the main phase variable container 8, two adjacent auxiliary phase variable containers 6 are communicated with each other, one side of the auxiliary phase variable container 6 at the last stage is connected with at least one safe pressure relief container 3, the safe pressure relief container 3 is increased or decreased according to the number of the auxiliary phase variable containers 6, the safe pressure relief container 3 is used for storing redundant gaseous carbon dioxide under the condition that a valve for controlling energy release is damaged, the purpose of adjusting the air pressure of the main phase variable capacitor and the auxiliary phase variable capacitor is to avoid overhigh pressure, two adjacent safety pressure relief containers 3 are communicated with each other, a pressure relief pipe 5 is connected to the safety pressure relief container 3 positioned at the last stage, a pressure relief valve is installed on the pressure relief pipe 5, the parts of the main phase variable capacitor 8, the auxiliary phase variable capacitor 6 and the safety pressure relief container 3 are all connected with a detection box 2 for state monitoring, a pressure sensor for detecting the air pressure inside the containers and a temperature sensor for detecting the temperature inside the containers are respectively arranged inside the detection box 2, the pressure sensor and the temperature sensor are used for monitoring the air pressure inside each container in real time, the pressure and the temperature condition conveniently control the energy release and are beneficial to parameter adjustment according to the actual condition, a constant temperature medium box 13 is arranged outside the main phase variable capacitor 8, the auxiliary phase variable capacitor 6 and the safety pressure relief container 3, the main phase variable capacitor 8, the auxiliary 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, the heating pipe 14 is arranged in the constant temperature medium box 13, the heating pipe 14 controls the temperature in the constant temperature medium box 13 to be about 35 ℃ so as to enable the carbon dioxide to be fully phase-changed, and the excessive air pressure is not too high to be generated so as to increase the use safety, the cooling medium in the constant temperature medium box 13 is selected from a liquid medium capable of absorbing the carbon dioxide, the liquid medium can be water or other water-based cooling liquid, the cooling medium only represents the liquid medium, the actual effect in the constant temperature medium box 13 is to play a role of keeping the temperature for heat exchange and using at constant temperature, the main phase variable container 8, the auxiliary phase variable container 6 and the safety pressure relief container 3 are acted to play a role of heating when the temperature of the carbon dioxide is reduced in the process of changing the liquid phase into the gas phase, the effect of avoiding the heat from influencing the phase-change temperature environment when the external environment of a factory is acted, and one end of the top of the constant temperature medium box 13 is connected with the extension pipe 15, extension pipe 15 makes things convenient for the filling coolant to use, ensures the airtight use of constant temperature medium case 13 simultaneously, has the effect that the buffering explosion strikes and absorbs the leakage carbon dioxide simultaneously, and the outside of constant temperature medium case 13 still adds and is equipped with water cooling module, avoids receiving the influence that external environment temperature influences and causes the inside high temperature.

Phase change chambers 26 are arranged inside the main phase variable container 8 and the auxiliary phase variable container 6, the phase change chambers 26 are used for changing the phase of liquid carbon dioxide into a gas state for use, a liquid inlet pipe 9 is connected to the phase change chamber 26 at the position of the main phase variable container 8, the liquid carbon dioxide enters the phase change chamber 26 at the position of the main phase variable container 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 liquid inlet pipe 9 is filled with quantitative carbon dioxide to meet the use requirement and simultaneously increase the safety, the quantitative carbon dioxide is controlled by the filling equipment, specifically, a flow sensor or a retransmission sensor or timing filling is used, and the like, a main gas outlet pipe 20 is connected to the phase change chamber 26 at the position of the main phase variable container 8, the main gas outlet pipe 20 is a pipeline connected with equipment needing descaling, and the main gas outlet pipe 20 is connected with the equipment pipeline through a flange plate to increase the stability, an electric air duct 11 and a mechanical force air duct 12 are connected between two adjacent main phase volume changers 8, two adjacent auxiliary phase volume changers 6 and a safety pressure relief container 3, an electromagnetic valve 1 and a safety valve 4 are respectively arranged on the electric air duct 11 and the mechanical force air duct 12, one-way valves are respectively arranged on the electric air duct 11 and the mechanical force air duct 12, the electric air duct 1 is an electric control opening and closing air duct, the mechanical force air duct 12 is a mechanical valve opening and closing pipeline, the electric air duct 11 is controlled by a controller, the mechanical force air duct 12 belongs to a self-opening valve pipeline, the pressure in the container required by opening the mechanical force air duct is slightly less than the pressure value of the electric air duct 11, the mechanical force air duct 12 belongs to a standby safety air relief pipeline, and even if the electric air duct 11 is damaged and can not be opened normally, the mechanical force air duct 12 can be opened normally for use for the purpose of increasing the safety, the phase change device is characterized in that auxiliary air outlet pipes 19 are connected to phase change chambers 26 at the positions of the auxiliary phase volume changers 6, electric valves 23 are mounted on the auxiliary air outlet pipes 19 and the main air outlet pipe 20, one ends, far away from the auxiliary phase volume changers 6, of the auxiliary air outlet pipes 19 are communicated with the main air outlet pipe 20 at the downstream of the electric valves 23, the positions of the auxiliary air outlet pipes 19 and the main air outlet pipe 20 are identical in shape, the main phase volume changers 8 are conveniently released during descaling, the auxiliary air outlet pipes 19 are released to achieve the effect of multiple (double) impact descaling after the energy is released, air release pipes 25 are connected to the main air outlet pipe 20 and the auxiliary air outlet pipe 19 between the upstream and the downstream of the electric valves 23, air release valves 18 are mounted on the air release pipes 25, the air release valves 18 at the positions of the main air outlet pipes 20 and the auxiliary air outlet pipes 19 are arranged side by side, and a jacking assembly for driving the air release valves 18 to open is connected to the air release pipes 5, the arrangement of the air release pipe 25 is equal to the arrangement of the mechanical air duct 12, and the air release pipe 25 can still be opened by mechanical force under the condition that the electric opening of the main air outlet pipe 20 and the auxiliary air outlet pipe 19 fails, and the only difference is that the air release pipe 25 has the effect of forced opening driven by external force, namely a jacking component.

The ejecting component comprises a connecting rod 33 which is arranged on the air release valve 18 and used for driving the valve clack to open, the opening and closing of the valve clack are controlled by the elasticity of a spring inside the air release valve 18, the connecting rod 33 can drive the valve clack to overcome the elasticity 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 perpendicular 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 the pressure release pipe 5, the expansion and contraction of the air cylinder 30 are controlled by the air pressure inside the safety pressure release container 3, the output end of the air cylinder 30 is connected with a push rod 31 which is arranged through the connecting rod 33, a through groove 34 for the push rod 31 to penetrate through is arranged on the connecting rod 31, an inclined guide block 32 which is matched with the through groove 34 is arranged on the push rod 31, so that the air pressure inside the safety pressure release container 3 drives the air cylinder 30 to extend to drive the inclined guide block 32 to eject the connecting rod 33 to open the air release valve 18 to open for safety protection, generally, when the air pressure inside the safety pressure relief container 3 has the strength of pushing the air cylinder 30 open, the air pressure inside the main phase variable container 8 and the auxiliary phase variable container 6 is large and has potential safety hazards, 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 the opening force of the air release valve 18, that is, the normally exceeded air pressure can be discharged by 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 to be buffered, and meanwhile, the opening air pressure of each valve controlled to be opened and closed by mechanical force is within the safety air pressure threshold value which can be borne by the container.

The phase change energy recovery assembly comprises a pair of piston cavities 24 symmetrically arranged at two sides of a phase change cavity 26, piston rods 35 are arranged inside a main phase variable capacitor 8 and an auxiliary phase variable capacitor 6 between the piston cavities 24 and the phase change cavity 26, two ends of each piston rod 35 respectively extend into the piston cavities 24 and the phase change cavity 26 and are respectively provided with a movable plug 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 so as to facilitate the purpose of 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 variable capacitor 8 and the auxiliary phase variable capacitor 6 at one side of the piston cavities 24 far away from the phase change cavity 26, one-way valves are installed on the liquid suction pipe 27 and the liquid outlet pipe 10, one end of the liquid outlet pipe 10 far away from the piston cavities 24 extends to the outer side of the phase change cavity 26 and is annularly arranged, and the liquid outlet pipes 10 which are arranged in an annular shape are provided with spray heads 7 at equal intervals along the circumferential direction thereof, and are used for driving cooling media to flow for use.

The device is characterized in that a liquid injection pipe 22 is connected onto a main gas outlet pipe 20 at the lower part of the auxiliary gas outlet pipe 19, the liquid injection pipe 22 is connected with an external carbon dioxide filling device, the normal opening and closing of the liquid injection pipe 22 are only controlled electrically, the opening time of the liquid injection pipe is consistent with that of an electric valve 23 at the part of the auxiliary gas outlet pipe 19 and the part of the main gas outlet pipe 20, an electromagnetic valve and a check valve for avoiding backflow are mounted 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 lower part of the liquid injection pipe 22, and the heating ring 21 heats a 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

1. The utility model provides a CO2 safety phase transition scale removal device that possesses multiple impact effect which characterized in that: the device comprises a main phase variable capacitor (8), wherein one side of the main phase variable capacitor (8) is connected with at least one auxiliary phase variable capacitor (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 mutually communicated, one side of the auxiliary phase variable capacitor (6) positioned at the last stage is connected with at least one safe pressure relief container (3), two adjacent safe pressure relief containers (3) are mutually communicated, a pressure relief pipe (5) is connected to the safe pressure relief container (3) positioned at the last stage, detection boxes (2) are connected to the main phase variable capacitor (8), the auxiliary phase variable capacitors (6) and the safe pressure relief container (3), and 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), a heating pipe (14) is arranged in the constant temperature medium box (13), and one end of the top of the constant temperature medium box (13) is connected with an extension pipe (15);

phase change chambers (26) are arranged inside the main phase variable container (8) and the auxiliary phase variable container (6), a liquid inlet pipe (9) is connected to the phase change chamber (26) at the position of the main phase variable container (8), a main gas outlet pipe (20) is connected to the phase change chamber (26) at the position of the main phase variable container (8), an electric gas guide pipe (11) and a mechanical gas guide pipe (12) are connected between the two adjacent main phase variable containers (8), the auxiliary phase variable container (6) and the safety pressure relief container (3), an electromagnetic valve (1) and a safety valve (4) are respectively arranged on the electric gas guide pipe (11) and the mechanical gas guide pipe (12), a one-way valve is arranged on each electric gas guide pipe (11) and each mechanical gas guide pipe (12), and an auxiliary gas outlet pipe (19) is connected to the phase change chamber (26) at the position of the auxiliary phase variable container (6), electric valves (23) are arranged on the auxiliary air outlet pipe (19) and the main air outlet pipe (20), one end, far away from the auxiliary phase variable capacitor (6), of the auxiliary air outlet pipe (19) is communicated with the main air outlet pipe (20) on the downstream of the electric valves (23), the main air outlet pipe (20) and the auxiliary air outlet pipe (19) between the upstream and the downstream of the electric valves (23) are connected with air release pipes (25), air release valves (18) are arranged on the air release pipes (25), the main air outlet pipe (20) and the air release valves (18) on the auxiliary air outlet pipe (19) are arranged side by side, and a jacking assembly for driving the air release valves (18) to open is connected to the air release pipe (5);

the main air outlet pipe (20) at the downstream of the auxiliary air outlet pipe (19) is connected with a liquid injection pipe (22), the liquid injection pipe (22) is provided with an electromagnetic valve, and the outer side of the main air outlet pipe (20) at the downstream of the liquid injection pipe (22) is wound with a heating ring (21).

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 at two sides of a phase change cavity (26), piston rods (35) are arranged inside a main phase variable capacitor (8) and an auxiliary phase variable capacitor (6) between the piston cavities (24) and the phase change cavity (26), two ends of each piston rod (35) respectively extend into the piston cavities (24) and the phase change cavity (26) and are respectively provided with a movable plug (29), an extrusion spring (28) is arranged between each movable plug (29) and the piston cavity (24), the main phase capacitor (8) and the auxiliary phase capacitor (6) at one side of the piston cavity (24) far away from the phase change cavity (26) are respectively connected with a liquid suction pipe (27) and a liquid outlet pipe (10), one-way valves are respectively arranged on the liquid suction pipe (27) and the liquid outlet pipe (10), one end of the liquid outlet pipe (10) far away from the piston cavities (24) extends to the outer side of the phase change cavity (26) and is annularly arranged, and the liquid outlet pipes (10) which are arranged in a ring shape are provided with spray heads (7) at equal intervals along the circumferential direction.

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 the inner side perpendicular to the connecting rod (33) of the fixing frame (17), a hose (16) is connected between the cylinder (30) and the air escape 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 arranged on the connecting rod (31), and an oblique guide block (32) matched with the through groove (34) is arranged on the ejector rod (31).

4. The CO2 safe 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.