CN212103018U

CN212103018U - A deoxidation equipment that is used for interior balance thermal expansion valve of vehicle air conditioner

Info

Publication number: CN212103018U
Application number: CN202020381775.9U
Authority: CN
Inventors: 茅金祥; 孟丽娜; 鲁建峰
Original assignee: Shaoxing Deshi Precision Machinery Co ltd
Current assignee: Shaoxing Deshi Precision Machinery Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-08
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a deoxidation equipment for interior balance thermal expansion valve of vehicle air conditioner, including the box, locate reaction barrel, pickling subassembly and the washing subassembly in the box, be equipped with the filter screen in the reaction barrel, reaction barrel below intercommunication has the catheter, be equipped with sour liquid chamber and water liquid chamber in the box, there are sour liquid chamber and water liquid chamber to locate the catheter both sides respectively, the catheter below is equipped with the drain board, be equipped with the chamber driving piece that trades that is used for driving the drain board upset on the box. The utility model discloses when pickling and washing, the rotation of acidizing fluid and rivers accessible drain bar flows back respectively to the cavity that corresponds in, can reduce the mixture between the two, reduces the waste of acidizing fluid, and the part after can avoiding the pickling simultaneously drips equipment or ground pollution surrounding environment at the in-process acidizing fluid that removes.

Description

A deoxidation equipment that is used for interior balance thermal expansion valve of vehicle air conditioner

Technical Field

The utility model relates to an automobile parts processing technology field especially relates to a deoxidation equipment for interior balance thermal expansion valve of vehicle air conditioner.

Background

An expansion valve is an important component in a refrigeration system and is typically mounted between the reservoir and the evaporator. The expansion valve enables the medium-temperature high-pressure liquid refrigerant to be low-temperature low-pressure wet steam through throttling, then the refrigerant absorbs heat in the evaporator to achieve the refrigeration effect, and the expansion valve controls the flow of the valve through the change of the superheat degree of the tail end of the evaporator to prevent the phenomena of insufficient utilization of the area of the evaporator and cylinder knocking.

The expansion valve body needs to be subjected to acid pickling treatment after being welded, and is prepared for surface treatment of the valve body in an early stage, the traditional acid pickling equipment and the traditional water washing equipment are two independent devices, and the expansion valve needs to be taken out of the acid pickling equipment and put into the water washing equipment for deacidification treatment after being pickled, so that the equipment cost is overlarge, and acid liquor is easy to drip to the edge of the equipment or pollute the environment on the ground in the moving process.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a reduce cost, avoid polluting a deoxidation equipment that is used for interior balance thermal expansion valve of vehicle air conditioner.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a deoxidation equipment for interior balance thermal expansion valve of vehicle air conditioner, includes the box, locates reaction barrel, pickling subassembly and the washing subassembly in the box, be equipped with the filter screen in the reaction barrel, reaction barrel below intercommunication has the catheter, be equipped with sour liquid chamber and water liquid chamber in the box, the catheter both sides are located respectively to sour liquid chamber and water liquid chamber, the catheter below is equipped with the drain board, be equipped with the chamber driving piece that trades that is used for driving the drain board upset on the box.

The utility model discloses a theory of operation: an expansion valve needing to be deoxidized is placed on a filter screen in the reaction barrel,

the cavity changing driving piece drives the liquid guide plate to overturn so that the liquid guide plate inclines towards one side of the pickling cavity, then the pickling assembly is started to carry out pickling action on the expansion valve, and acid liquor washes the expansion valve, falls onto the liquid guide plate through the liquid guide pipe and flows back to the pickling cavity along the inclination angle of the liquid guide plate; after pickling, through trading the upset of chamber driving piece drive drain board and make it incline towards water liquid chamber one side, later start washing subassembly and carry out the deacidification action to the expansion valve, rivers wash behind the expansion valve and fall on the drain board through the catheter and along the inclination backward flow of drain board to the washing pump in.

The utility model discloses can realize pickling and the washing action to the expansion valve simultaneously on same platform equipment, reduce the pickling cost of enterprise, make the microminiature enterprise also can purchase pickling equipment by oneself, carry out the pickling solution evacuation in the equipment earlier to the part washing needs in the traditional pickling equipment, very big increase the pickling time, waste time and energy, the utility model discloses when pickling and washing, the rotation of acidizing fluid and rivers accessible drain bar flows back respectively to the cavity that corresponds in, can reduce the mixture between the two, reduces the waste of acidizing fluid, can avoid the part after the pickling to drip equipment or ground pollution surrounding environment at the in-process acidizing fluid that removes simultaneously.

As the preferred scheme of the utility model, an acid cleaning baffle plate and a water cleaning baffle plate are arranged above the liquid guide plate and are respectively arranged at two sides of the liquid guide pipe; when the liquid guide plate inclines towards one side of the acid liquor cavity, the higher end of the liquid guide plate is abutted against the washing baffle plate, and the lower end of the liquid guide plate is spaced from the washing baffle plate to form a liquid inlet channel; when the liquid guide plate inclines towards one side of the water liquid cavity, the higher end of the liquid guide plate is abutted against the pickling baffle plate, and the lower end of the liquid guide plate and the pickling baffle plate form a liquid inlet channel at an interval; after the liquid guide plate rotates to the liquid guide position, one side of the liquid guide plate forms a liquid inlet channel for acid liquid or water flow to be recycled in the corresponding cavity, and the other side of the liquid guide plate is abutted against the acid washing baffle plate or the water washing baffle plate to form airtight contact, so that liquid splashed when the acid liquid or the water flow impacts the liquid guide plate can be effectively prevented from falling into the cavity which does not belong to the liquid guide plate, and the recycling effect of the solution is ensured.

As the preferred scheme of the utility model, the pickling assembly comprises a pickling conduit, a pickling pump arranged on the pickling conduit and an acid injection pipe for injecting acid liquor into the acid liquor cavity, the lower end of the pickling conduit is communicated with the acid liquor cavity, the upper end of the pickling conduit is used for spraying acid liquor into the reaction barrel, and the upper end of the pickling conduit is provided with a pickling spray head; when pickling, firstly

The acid injection pipe is used for injecting a proper amount of acid liquor into the acid liquor cavity, the acid liquor is pumped to the upper end of the acid washing guide pipe through the acid washing pump and is sprayed onto the expansion valve through the acid washing spray head, the acid liquor and the expansion valve react and then are recycled into the acid liquor cavity through the filter screen, the liquid guide pipe and the liquid guide plate in sequence, the acid liquor and the expansion valve react for a long time, the acid washing efficiency can be improved, meanwhile, the acid washing of the expansion valve subjected to acid washing can be carried out for the second time, the utilization rate of the acid liquor is guaranteed, the acid liquor is easy to recycle, and.

As a preferred scheme of the utility model, the washing component comprises a washing conduit, a washing pump arranged on the washing conduit and a water injection pipe for injecting water liquid into the washing pump, the lower end of the washing conduit is communicated with the washing pump, the upper end of the washing conduit is used for spraying water flow into the reaction barrel, and the upper end of the washing conduit is provided with a washing nozzle; when washing, firstly, inject right amount of water liquid into the water liquid cavity through the water injection pipe, pump the water liquid to the washing pipe upper end and spray the water liquid to the expansion valve through the washing shower nozzle through the washing pump, water liquid loops through the filter screen after reacting with the expansion valve, the catheter, the drain board is retrieved to the water liquid cavity and continues to utilize, make both time take place to react through constantly spraying water liquid to the expansion valve, can improve the washing efficiency, can wash the expansion valve secondary after washing simultaneously, the utilization ratio of water liquid has been guaranteed, and easy the recovery, and the production cost is reduced.

As a preferred scheme of the utility model, the acid injection pipe is communicated with the upper end of the acid liquor cavity, the acid washing conduit is communicated with the lower end of the acid liquor cavity, and the middle part of the acid liquor cavity is provided with a first impurity filter screen; the first impurity filter screen can filter the impurities after pickling, so that when the pickling pump extracts acid liquor in the pickling cavity, excessive metal impurities enter the pickling pump to cause damage to the pickling pump, the service life of the pickling pump is prolonged, the concentration of the acid liquor sprayed to the surface of the expansion valve can be ensured, and the pickling effect on the expansion valve is ensured

As the preferred scheme of the utility model, the water injection pipe is communicated with the upper end of the washing pump, the washing conduit is communicated with the lower end of the washing pump, and the middle part of the washing pump is provided with a second impurity filter screen; the impurity filter screen of second impurity can filter the impurity after washing, when preventing that the washing pump from extracting the water liquid in the washing pump, the damage that causes the washing pump in too much metallic impurity gets into the washing pump helps prolonging the life of washing pump, can guarantee to spray the water liquid concentration to the expansion valve surface simultaneously, guarantees the washing effect to the expansion valve.

As a preferred scheme of the utility model, a splash guard is obliquely arranged above the acid liquid cavity and/or the water liquid cavity; when acidizing fluid or water liquid flow through leading the liquid board backward flow to the cavity that corresponds in, solution can be preferred fall on the splash shield, later solution can be mixed with the solution in the cavity along the inclined plane of splash shield, compares in solution is direct falls the solution of below from leading the liquid board, sputtering when can effectively preventing solution and mix, guarantees the inside clean of equipment, avoids the waste of solution, improves the utilization ratio to solution.

As the preferred scheme of the utility model, the acid cavity is formed by the surrounding of the pickling cavity plate and the inner wall of the box body, the water cavity is formed by the surrounding of the washing cavity plate and the inner wall of the box body, a heating element is arranged between the pickling cavity plate and the washing cavity plate, and the surfaces of the pickling cavity plate and the washing cavity plate are coated with acid-resistant heat-conducting anticorrosive paint; when the heating element is started, heat can be transferred into the pickling cavity and the washing pump through the pickling cavity plate and the washing cavity plate, so that acid liquor and water liquor have certain temperatures, the pickling rate tends to increase along with the increase of the concentration and the temperature of the acid liquor, and the water temperature can be increased to ensure the washing effect of the expansion valve.

As the preferred scheme of the utility model, the upper and lower ends of the reaction barrel are elastically connected with the inner wall of the box body through the elastic plates, the reaction barrel is provided with the vibrating piece which is arranged between the two elastic plates, the filter screen is arranged in a wave shape, and the side wall of the box body between the two elastic plates is provided with a plurality of heat dissipation holes; the vibrating piece can drive the reaction barrel to vibrate when being driven, so that a filter screen in the reaction barrel is driven to vibrate, the expansion valve vibrates during acid washing to ensure that all surfaces of the expansion valve can be contacted with acid liquor, and the acid washing effect of the expansion valve is improved; the filter screens are arranged in a wave shape, so that the expansion valves are uniformly distributed at the sunken parts of the filter screens when being cleaned, and when the filter screens vibrate, the expansion valves are not easy to collide with each other, and the surface treatment effect of the expansion valves is ensured; the reaction barrel is elastically connected with the inner wall of the box body through the elastic plate, so that the reaction barrel can vibrate relative to the box body, and meanwhile, the cavity in the box body can be isolated from the outside through the elastic plate, so that the volatilization of acid liquor and the pollution to the surrounding environment are prevented; the arrangement of the two elastic plates can ensure the vibration effect of the reaction barrel; the vibrating piece is arranged between the two elastic plates, so that the damage of the acid solution volatilized in the box body to the vibrating piece can be prevented, the vibration is well protected, and the service life of the vibrating piece is prolonged; the arrangement of the heat dissipation holes helps the vibration

The heat generated during the motion of the vibrating piece is dissipated, so that the phenomenon that the service life of the vibrating piece is influenced by overhigh temperature is avoided.

As a preferred scheme of the utility model, a neutralization box is arranged below the box body, a neutralization cavity is arranged in the neutralization box, an acid discharge port communicated with the neutralization cavity is arranged at the bottom of the acid liquid cavity, a first valve is arranged at the acid discharge port, a water discharge port communicated with the neutralization cavity is arranged at the bottom of the washing pump, a second valve is arranged at the water discharge port, and a neutralization pipe communicated with the neutralization cavity is arranged on the neutralization box; the acid liquor or water liquor which can not be used continuously can enter the neutralization cavity through the acid discharge port and the water discharge port to be neutralized and discharged.

Compared with the prior art, the utility model discloses when pickling and washing, the rotation of acidizing fluid and rivers accessible drain bar flows back respectively to the cavity that corresponds in, can reduce the mixture between the two, reduces the waste of acidizing fluid, can avoid the part after the pickling to drip equipment or ground pollution surrounding environment at the in-process acidizing fluid that removes simultaneously.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention; FIG. 2 is a second schematic structural view of the present invention; fig. 3 is a cross-sectional view of the present invention;

in the figure, 1, a box body; 2. a reaction barrel; 3. filtering with a screen; 4. a catheter; 5. an acid liquid cavity; 6. an aqueous cavity; 7. a liquid guide plate; 8. a cavity changing driving member; 9. pickling a baffle plate; 10. washing the baffle; 11. pickling the conduit;

12. a pickling pump; 13. injecting an acid pipe; 14. a pickling spray head; 15. washing the catheter with water; 16. a water washing pump; 17. a water injection pipe; 18. washing the spray head with water; 19. a first impurity screen; 20. a second impurity screen; 21. a splash shield; 22. pickling a cavity plate; 23. washing the cavity plate with water; 24. a heating member; 26. A vibrating member; 27. heat dissipation holes; 28. a neutralization tank; 29. a neutralization chamber; 30. an acid discharge port; 31. a first valve; 32. a water outlet; 33. a second valve; 34. and (4) neutralizing the tube.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the deoxidation equipment for the internal balance thermostatic expansion valve for the automobile air conditioner comprises a box body 1, a reaction barrel 2 arranged in the box body 1, an acid washing component and a water washing component, wherein the reaction barrel 2 is arranged in a square shape and is hollow inside, the reaction barrel 2 is elastically connected with the inner wall of the box body 1 through an elastic plate, and the elastic plate is elastically connected with the inner wall of the box body 1

Choose elastic material to make for use, if the material that has better deformability such as rubber, the clearance between 2 lateral walls of reaction bucket and the 1 inner wall of box is plugged up to the elastic plate, and horizontal installation has filter screen 3 in 2 reaction buckets, and the expansion valve is placed on filter screen 3 during pickling, and 2 below intercommunication of reaction bucket have catheter 4, and catheter 4 is vertical to be located reaction bucket

2, an acid liquid cavity 5 and a water liquid cavity 6 are respectively arranged on two sides of the inner lower end of the box body 1, the acid liquid cavity 5 is arranged on the left side of the inner of the box body 1, the water liquid cavity 6 is arranged on the right side of the inner of the box body 1, the lower end of the liquid guide tube 4 is arranged between the acid liquid cavity 5 and the water liquid cavity 6, the acid liquid cavity 5 is formed by surrounding the acid washing cavity plate 22 and the inner wall of the box body 1, the water liquid cavity 6 is formed by surrounding the water washing cavity plate 23 and the inner wall of the box body 1, a liquid guide plate 7 is arranged below the liquid guide tube 4, the liquid guide plate 7 is arranged above the lower end of the liquid guide tube 4, the acid washing cavity plate 22 and the water washing cavity plate 23, when the acid liquid needs to flow back into the acid washing cavity, the liquid guide plate 7, liquid guide plate 7 chooses for use high temperature resistant and acidproof material to make, like the peek material, the PTFE material, PA46 material etc, in other embodiments, can make with other corrosion-resistant metal material, liquid guide plate 7 middle part both ends are rotatable connection respectively on the 1 lateral wall of box, be equipped with the chamber driving piece 8 that trades that is used for driving liquid guide plate 7 upset on box 1, trade chamber driving piece 8 and choose the step motor that can directly purchase on the market and obtain, it passes through the mounting screw on the lateral wall of box 1, its output shaft links firmly through the shaft coupling with liquid guide plate 7 one side.

In this embodiment, in order to reduce the sputtering of the solution, the top of the liquid guide plate 7 is provided with the acid washing baffle 9 and the water washing baffle 10, the acid washing baffle 9 and the water washing baffle 10 are respectively arranged at two sides of the liquid guide tube 4, the acid washing baffle 9 and the water washing baffle 10 are both vertically arranged, the acid washing baffle 9 is correspondingly arranged right above the acid washing cavity plate 22, and the water washing baffle

10 are correspondingly arranged right above the washing cavity plate 23, when the liquid guide plate 7 inclines towards one side of the acid liquor cavity 5, the higher end of the liquid guide plate 7 is abutted against the washing baffle plate 10, and the lower end of the liquid guide plate 7 is separated from the pickling baffle plate 9 to form a liquid inlet channel

A lane; when 7 when leading liquid boards incline towards 6 laterals in aqueous humor chamber, 7 higher ends of leading liquid boards offset with

pickling baffle

9, 7 lower ends of leading liquid boards and 10 interval formation inlet channel of washing baffle, in order to improve the sealed effect when 7 and pickling baffle 9 or washing baffle 10 offset of leading liquid boards, pickling baffle 9 and washing baffle 10 below all are equipped with the convex part acid and alkali resistant rubber who is made by acid and alkali resistant rubber can take place deformation when receiving the extrusion in order to improve sealed effect, the collision that produces when 7 contacts of leading liquid boards can prevent simultaneously leads to 7 surfaces of leading liquid boards to produce the pit and influences water conservancy diversion effect.

Specifically, the pickling assembly comprises a pickling conduit 11, a pickling pump 12 arranged on the pickling conduit 11 and an acid injection pipe 13 used for injecting acid liquor into the acid liquor cavity 5, the pickling pump 12 can be a chemical pump directly purchased from the market, the pickling pump is not damaged even if high-concentration acid liquor is extracted, the lower end of the pickling conduit 11 is communicated with the acid liquor cavity 5, the upper end of the pickling conduit 11 extends upwards from the outer side of the box body 1 to the upper part inside the reaction barrel 2, a pickling nozzle 14 is arranged at the upper end of the pickling conduit 11, and the pickling nozzle 14 is an atomization nozzle directly purchased from the market, so that the acid liquor can be uniformly sprayed onto the expansion valve, and the pickling effect is ensured; the washing subassembly includes washing pipe 15, locate washing pump 16 on washing pipe 15 and be used for injecting the water injection pipe 17 of water liquid to washing pump (16), the chemical industry pump that obtains is directly bought on the optional market of washing pump 16, even draw the water liquid of higher concentration and can not damage yet, 15 lower extreme intercommunication washing pumps (16) of washing pipe, 15 upper ends of washing pipe are upwards extended to the top in the reaction vessel 2 by the 1 outside of box, washing shower nozzle 18 is installed to washing pipe 15 upper end, washing nozzle 18 chooses the atomizer that can directly purchase on the market and obtain for use, guarantee that water liquid can be even spray to the expansion valve on, guarantee the washing effect.

Specifically, the acid injection pipe 13 is communicated with the upper end of the acid liquid cavity 5, the pickling conduit 11 is communicated with the lower end of the acid liquid cavity 5, a first impurity filter screen 19 is arranged in the middle of the acid liquid cavity 5, the first impurity filter screen 19 is horizontally arranged in the middle of the connection position of the acid injection pipe 13, the pickling conduit 11 and the box body 1, and the first impurity filter screen 19 can block impurities generated during pickling at the position above the water inlet of the pickling conduit 11 so as to prevent the impurities from being sucked by the pickling pump 12; water injection pipe 17 communicates in washing pump (16) upper end, and washing pipe 15 communicates in washing pump (16) lower extreme, and washing pump (16) middle part is equipped with second impurity filter screen 20, and second impurity filter screen 20 horizontal installation is in the junction intermediate position of water injection pipe 17 and washing pipe 15 and box 1, and second impurity filter screen 20 can stop the impurity that produces when washing in the top position department of washing pipe 15 water inlet, avoids impurity to be inhaled by washing pump 16.

Specifically, in order to prevent the solution from splashing during mixing, the splash shields 21 are obliquely arranged above the acid liquid cavity 5 and the water liquid cavity 6, one splash shield 21 is respectively arranged above the acid liquid cavity 5 and the water liquid cavity 6, and the splash shield 21 is obliquely inclined downwards towards one end of the liquid guide pipe 4 and forms a gap for the solution to flow downwards with the pickling cavity plate 22 or the washing cavity plate 23 at intervals.

In this embodiment, the pickling chamber plate 22 and the washing chamber plate 23 are arranged at an interval, the heating element 24 is installed at the interval between the pickling chamber plate 22 and the washing chamber plate 23, the heating element 24 can be an electric heating sheet or a heating pipe directly purchased from the market, the surfaces of the pickling chamber plate 22 and the washing chamber plate 23 are coated with acid-resistant heat-conductive anticorrosive paint, the acid-resistant heat-conductive anticorrosive paint can be ZS-722 acid-resistant heat-conductive anticorrosive paint, and after the 722 acid-resistant heat-conductive anticorrosive paint is coated, the heat exchange amount and the acid-resistant service life can be greatly improved through performance tests of different acid concentrations and acid components.

Specifically, be equipped with vibrating part 26 on retort 2, vibrating part 26 can be selected to use the high frequency vibration ware that can directly purchase on the market and obtain, the elastic plate respectively is provided with one at 2 upper and lower both ends of retort, the space that supplies the installation of vibrating part 26 is formed at the interval between two elastic plates, vibrating part 26 passes through the mounting screw on retort 2's lateral wall, filter screen 3 is the wave setting, a plurality of filtration pores have been seted up to its equidistant interval in surface, box 1 is equipped with a plurality of louvres 27 on being in the lateral wall between two elastic plates, vibrating part 26 during operation accessible louvre 27 outwards dispels the heat, avoid vibrating part 26 operating temperature too high, the space that two upper and lower elastic plates enclose simultaneously can prevent vibrating part 26 from being corroded by acid solution.

Specifically, a neutralization tank 28 is arranged below the tank body 1, a neutralization cavity 29 is arranged in the neutralization tank 28, an acid discharge port 30 communicated with the neutralization cavity 29 is arranged at the bottom of the acid liquor cavity 5, a first valve 31 is arranged at the acid discharge port 30, a water discharge port 32 communicated with the neutralization cavity 29 is arranged at the bottom of the water washing pump (16), a second valve 33 is arranged at the water discharge port 32, and a neutralization pipe 34 communicated with the neutralization cavity 29 is arranged on the neutralization tank 28.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a deoxidation equipment for interior balance thermal expansion valve of vehicle air conditioner which characterized in that: including box (1), locate reaction barrel (2), pickling subassembly and the washing subassembly in box (1), be equipped with filter screen (3) in reaction barrel (2), reaction barrel (2) below intercommunication has catheter (4), be equipped with sour liquid chamber (5) and water liquid chamber (6) in box (1), catheter (4) both sides are located respectively in sour liquid chamber (5) and water liquid chamber (6), catheter (4) below is equipped with drain board (7), be equipped with on box (1) and be used for driving the chamber driving piece (8) that trades of drain board (7) upset.

2. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 1 wherein: an acid washing baffle (9) and a water washing baffle (10) are arranged above the liquid guide plate (7), and the acid washing baffle (9) and the water washing baffle (10) are respectively arranged at two sides of the liquid guide tube (4); when the liquid guide plate (7) inclines towards one side of the acid liquor cavity (5), the higher end of the liquid guide plate (7) is abutted against the water washing baffle (10), and the lower end of the liquid guide plate (7) and the acid washing baffle (9) form a liquid inlet channel at intervals; when the liquid guide plate (7) inclines towards one side of the water cavity (6), the higher end of the liquid guide plate (7) is abutted against the acid washing baffle plate (9), and the lower end of the liquid guide plate (7) and the water washing baffle plate (10) form a liquid inlet channel at an interval.

3. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 1 wherein: the pickling subassembly includes pickling pipe (11), locates pickling pump (12) on pickling pipe (11) and be used for annotating sour pipe (13) to sour sap cavity (5) injection acidizing fluid, pickling pipe (11) lower extreme intercommunication sour sap cavity (5), the upper end is used for spraying the acidizing fluid in to reaction barrel (2), and this pickling pipe (11) upper end is equipped with pickling shower nozzle (14).

4. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 1 wherein: the washing subassembly includes washing pipe (15), locate washing pump (16) on washing pipe (15) and be used for to water injection pipe (17) of washing pump (16) injection water liquid, washing pipe (15) lower extreme intercommunication washing pump (16), the upper end is used for spraying rivers in reaction barrel (2), and this washing pipe (15) upper end is equipped with washing shower nozzle (18).

5. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 3 wherein: the acid injection pipe (13) is communicated with the upper end of the acid liquor cavity (5), the acid washing guide pipe (11) is communicated with the lower end of the acid liquor cavity (5), and the middle of the acid liquor cavity (5) is provided with a first impurity filter screen (19).

6. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 4 wherein: water injection pipe (17) communicate in washing pump (16) upper end, washing pipe (15) communicate in washing pump (16) lower extreme, washing pump (16) middle part is equipped with second impurity filter screen (20).

7. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 1 wherein: a splash guard (21) is obliquely arranged above the acid liquid cavity (5) and/or the water liquid cavity (6).

8. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 1 wherein: sour liquid chamber (5) are surrounded by pickling chamber board (22) and box (1) inner wall and are formed, water liquid chamber (6) are surrounded by washing chamber board (23) and box (1) inner wall and are formed, be equipped with between pickling chamber board (22) and the washing chamber board (23) heating member (24), pickling chamber board (22) and washing chamber board (23) surface coating have acidproof heat conduction anticorrosive paint.

9. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 1 wherein: both ends all pass through elastic plate and box (1) inner wall elastic connection about retort (2), be equipped with vibration piece (26) on retort (2), vibration piece (26) are located two between the elastic plate, filter screen (3) are the wave setting, box (1) is in two be equipped with a plurality of louvres (27) on the lateral wall between the elastic plate.

10. The deoxidation apparatus for a balanced thermostatic expansion valve in an automotive air conditioner as claimed in claim 6 wherein: the acid tank is characterized in that a neutralization tank (28) is arranged below the tank body (1), a neutralization cavity (29) is arranged in the neutralization tank (28), an acid discharging port (30) communicated with the neutralization cavity (29) is formed in the bottom of the acid liquid cavity (5), a first valve (31) is arranged at the acid discharging port (30), a water outlet (32) communicated with the neutralization cavity (29) is formed in the bottom of the washing pump (16), a second valve (33) is arranged at the water outlet (32), and a neutralization pipe (34) communicated with the neutralization cavity (29) is arranged on the neutralization tank (28).