CN217888033U - Ozone reducer and ozone test chamber - Google Patents

Abstract

The utility model relates to an ozone reduction ware and ozone proof box, ozone reduction ware wherein, including the strip shell, the shell is equipped with the inlet and supplies ozone to let in the shell, installs the heater in the shell, and the heater is reduced into oxygen to the ozone heating that gets into in the shell, and the shell is equipped with the outlet and supplies oxygen to discharge, and the tip of shell is opened has and is taken out the mouth, and the heater can take out through taking out the mouth, is stamped the end cover in taking out mouthful department, and the air inlet and the gas outlet of shell are all established on the lateral wall. The air inlet and the air outlet are arranged on the side wall of the shell instead of the end cover, even if the air outlet is connected with other devices, workers do not need to separate the ozone reducer from other devices before detaching the end cover, the end cover can be directly detached, and the operation is simple.

Description

Ozone reducer and ozone test chamber

Technical Field

The utility model relates to an ozone reduction technical field, concretely relates to ozone reduction ware and ozone test box.

Background

Patent document CN103127822a discloses an ozone reducer, which includes a vertical housing, an air inlet at the upper end of the housing, an outlet at the lower end of the housing, an end cap mounted at the outlet, an air outlet on the end cap, and a heat capacity core type heater in the housing, wherein ozone enters the housing from the air inlet, is heated and reduced into oxygen by the heater, and then leaves from the air outlet. The heater is made of metal materials, can be corroded by ozone, and needs to be replaced after long-time use, therefore, workers need to pull out the end cover to take out the heater, but because the air outlet is formed in the end cover, and the air outlet is sometimes connected with other devices, such as an oxygen recovery device, the devices can block the end cover from being pulled out, and the workers need to separate the ozone reducer from the other devices before pulling out the end cover, so that the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an ozone reduction device, even there is other devices of connection in this ozone reduction device's gas outlet, the workman also only needs just can change the heater through simple operation.

In order to solve the technical problem, the utility model discloses an ozone reduction ware, including the strip shell, the shell is equipped with the inlet and supplies ozone to let in the shell, installs the heater in the shell, and the heater heats the ozone that gets into in the shell and reduces into oxygen, and the shell is equipped with the outlet and supplies oxygen to discharge, and the tip of shell is opened has the mouth of taking out, and the heater can take out through taking out the mouth, is stamped the end cover in taking out mouthful department, and the air inlet and the gas outlet of shell are all established on the lateral wall.

Furthermore, the air inlet is specifically arranged at the front part of the side wall, and the air outlet is specifically arranged at the rear part of the side wall; the outlet is specifically provided at the front end of the housing.

Further, the air inlet and the air outlet are opened on the same side.

Furthermore, the end cover comprises a metal flange sleeve and an insulating seat, the central axes of the flange sleeve and the shell are coincident, the insulating seat is arranged on the inner side of the flange sleeve, and the electric connection part of the heater outwards penetrates through the insulating seat and then is exposed.

Furthermore, a temperature sensor is arranged in the shell, and an electric connection part of the temperature sensor is exposed after penetrating through the insulating seat outwards.

Furthermore, a quartz tube is arranged in the shell, the heater is arranged in the quartz tube, the air inlet of the shell is communicated with the inlet of the quartz tube, and the air outlet of the shell is communicated with the outlet of the quartz tube.

Furthermore, a silica gel pad is clamped between the quartz tube and the outer shell.

Furthermore, the quartz tube is provided with a cylindrical ozone accommodating cavity for accommodating ozone; the heater is a lotus-root-shaped heater, is arranged in the ozone accommodating cavity and is superposed with the central axes of the ozone accommodating cavity and the ozone accommodating cavity; each lotus root hole of the lotus root type heater is provided with a section of strip-shaped heating wire; the heating wire is arranged along the ozone accommodating cavity; the multistage heater strip distributes near the chamber wall in ozone holding chamber, arranges around the central axis girth in ozone holding chamber.

The ozone test box comprises an ozone reducer, an air extractor and a controller, wherein the air extractor pumps ozone into the ozone reducer; the ozone reducer is as described above.

Further, the controller electrically connects the electrical connection portion of the heater and the electrical connection portion of the temperature sensor.

The air inlet and the air outlet are arranged on the side wall of the shell instead of the end cover, even if the air outlet is connected with other devices, workers do not need to separate the ozone reducer from other devices before detaching the end cover, the end cover can be directly detached, and the operation is simple.

Drawings

Figure 1 is a schematic diagram of an ozone test chamber.

Figure 2 is a cross-sectional view of the ozone reducer taken along the vertical direction D-D in figure 1, with the heating wire not cut.

Fig. 3 is a partially enlarged view of fig. 2, in which a portion a of fig. 2 is enlarged.

Fig. 4 is a partially enlarged view of fig. 2, in which a portion B of fig. 2 is enlarged.

Fig. 5 is a partially enlarged view of fig. 2, in which a portion C of fig. 2 is enlarged.

Figure 6 is an exploded view of an ozone reducer.

Fig. 7 is a schematic view of the quartz tube, the lotus-shaped heater and the temperature sensor, wherein the view angle is from the oblique front to the three.

Fig. 8 is a schematic view of the quartz tube, the lotus-shaped heater and the temperature sensor, wherein the view angle is from the front to the three.

Figure 9 is a schematic view of an ozone reducer with the end cap broken away.

Detailed Description

The invention is described in further detail below with reference to specific embodiments.

The ozone test box is shown in figure 1 and is provided with an ozone generator 92, a fan 93, an air pipe 94, an ozone reducer 95 and an oxygen temporary storage device 96, wherein the ozone generator 92 converts oxygen into ozone for testing when the ozone needs to be tested, the ozone enters a test chamber (not shown in the figure) for testing, and after the testing is finished, the residual ozone is pumped out of the test chamber by the fan 93. Fan 93 is aligned with air pipe 94, air pipe 94 leads to the inlet of ozone reducer 95, and the outlet of ozone reducer 95 leads to the inlet of oxygen buffer 96. The fan 93 is used as an air extractor to extract the tested ozone into the air pipe 94, the ozone enters the ozone reducer 95 along the air pipe 94, is heated and reduced into oxygen in the ozone reducer 95 and then is discharged, and the oxygen is discharged and then enters the temporary oxygen storage device 96 for temporary storage. The outlet of the oxygen buffer 96 leads to the ozone generator 92, and a vacuum pump (not shown) is provided in the oxygen buffer 96, and pumps oxygen into the ozone generator 92 for recycling when a test is required.

Referring to fig. 6, the ozone reducer 95 includes a quartz tube 2, the quartz tube 2 serves as an ozone container, and a cylindrical ozone containing chamber 23 is formed for containing ozone. Referring to fig. 7, a lotus-root-shaped heater 3 is arranged in the ozone containing cavity 23, the lotus-root-shaped heater 3 is in the prior art, and the central axes of the lotus-root-shaped heater 3 and the ozone containing cavity 23 are coincided. The lotus root type heater 3 is provided with a ceramic support element 32, the ceramic support element 32 is provided with eight lotus root holes 33 which are through from front to back, the eight lotus root holes 33 are arranged around the central axis of the ozone containing cavity 23, each lotus root hole 33 is internally provided with a section of strip-shaped heating wire 31, each section of heating wire 31 is arranged along the ozone containing cavity 23 as shown in figure 2, the eight sections of heating wires 31 are distributed close to the cavity wall of the ozone containing cavity 23 as shown in figure 8 and are arranged around the central axis of the ozone containing cavity 23. The inlet 21 is located at the front end of the quartz tube 2, and the outlet 22 is located at the rear end of the quartz tube 2, i.e. the front end of the quartz tube 2 is an inlet end, and the rear end is an outlet end. Ozone enters the eight lotus-root holes 33 of the lotus-root-shaped heater 3 in the ozone containing cavity 23 through the front end of the quartz tube 2, the eight heating wires 31 of the lotus-root-shaped heater 3 are connected in series on a circuit and used as eight heating elements to respectively heat the ozone in the eight lotus-root holes 33 to 420 degrees so as to reduce the ozone into oxygen, and the oxygen leaves the ozone containing cavity 23 through the outlet 22 (shown in figure 2) at the rear end of the quartz tube 2. Because eight sections heater strip 31 are close to the chamber wall distribution of ozone holding chamber 23, arrange around the central axis circumference of ozone holding chamber 23, ozone is close to the chamber wall of ozone holding chamber 23 and just is reduced into oxygen very fast, is difficult to corrode quartz capsule 2, and quartz capsule 2 long service life need not frequent change.

Referring to fig. 2, a cylindrical stainless steel shell 1 is sleeved outside a quartz tube 2, a silica gel cushion 4 is clamped between the shell 1 and the quartz tube 2, the front end of the cushion 4 is referred to fig. 3 and is clamped between the front end of the quartz tube 2 and the shell 1, and the rear end is referred to fig. 4 and is clamped between the rear end of the quartz tube 2 and the shell 1. Because the soft pad 4 is clamped between the outer shell 1 and the quartz tube 2, even if ozone leaks to the outer side of the quartz tube 2, the outer shell 1 is not directly corroded, but the soft pad 4 is corroded firstly, and the outer shell 1 is not easy to crush the quartz tube 2 due to corrosion of the ozone. The silica gel cushion 4 is softer than the quartz tube 2, and even if corroded, the quartz tube 2 will not be crushed.

Referring to fig. 2, the upper side of the front part of the side wall 10 of the housing 1 is provided with an air inlet 11, the upper side of the rear part is provided with an air outlet 12, the air inlet 11 is communicated with an inlet 21 at the front end of the quartz tube 2, and the air outlet 12 is communicated with an outlet 22 at the rear end of the quartz tube 2. Referring to fig. 1 and 2, an air inlet pipe 15 is installed at the air inlet 11, the air inlet pipe 15 is connected with an air pipe 94, ozone is extracted by a fan 93, enters the air pipe 94, sequentially enters the shell 1 through the air inlet pipe 15 and the air inlet 11, enters the quartz tube 2 through an inlet 21 at the front end of the quartz tube 2, is heated and reduced into oxygen in the quartz tube 2, and the oxygen leaves the quartz tube 2 through an outlet 22 at the rear end of the quartz tube 2 and is discharged through an air outlet 12 of the shell. An air outlet pipe 16 is arranged at the air outlet 12, the air outlet pipe 16 is connected with an oxygen temporary storage device 96, and oxygen is discharged and then enters the air outlet pipe 16 and then enters the oxygen temporary storage device 96, and is pumped into the ozone generator 92 by the oxygen temporary storage device 96 for recycling. The front end of the housing 1 is provided with an outlet 13, the heater 3 and the quartz tube 2 can be taken out through the outlet 13, the outlet 13 is covered with an end cover 6, and the end cover 6 is detachably connected with the housing 1. Since the air inlet 11 and the air outlet 12 are provided on the side wall 10 of the housing 1 and not on the end cap 6, when a worker replaces the heater 3 and the quartz tube 2, the worker can directly remove the end cap 6 to expose the outlet 13 without separating the air inlet pipe 15 from the air pipe 94 and the air outlet pipe 16 from the oxygen temporary storage device 96 before removing the end cap 6, as shown in fig. 9, and then remove the heater 3 and the quartz tube 2 through the outlet 13, which is simple to operate.

Referring to fig. 9, the end cap 6 comprises an aluminum flange sleeve 61 and an insulating base 62, the flange sleeve 61 is detachably connected with the housing 1 by means of bolts and coincides with the central axis of the housing 1, and a silicone gasket 7 is sandwiched between the flange sleeve 61 and the housing 1, as shown in fig. 5. The insulating base 62 is provided inside the flange cover 61, and the electrical connection portion of the lotus-shaped heater 3 (see fig. 6) is the electrode 35, which is exposed after passing through the insulating base 62 to the outside, and is fixed to the insulating base 62 in such a manner that the electrode 35 of the lotus-shaped heater 3 and the insulating base 62 are taken out together through the take-out opening 13 during the process of removing the end cap 6 by a worker for replacing the heater 3 (see fig. 7) and the quartz tube 2 (see fig. 7). Referring to fig. 7, a temperature measuring hole 34 is formed at the central axis of the lotus-shaped heater 3, a temperature sensor 5 is inserted into the temperature measuring hole 34, an electrical connection portion 51 of the temperature sensor 5 axially penetrates out of the ozone containing cavity 23 of the quartz tube 2 and outwardly penetrates through the insulating base 62 to be exposed, and as shown in fig. 9, the temperature sensor 5 is fixed on the insulating base 62 in such a way as to be taken out together with the insulating base 62 through the taking-out opening 13 in the process of removing the end cover 6 by a worker for replacing the heater 3 and the quartz tube 2. The ozone test chamber includes a controller (not shown) which is electrically connected to the ozone generator 92, the fan 93, the electrodes 35 of the lotus-shaped heater 3, the electrical connection 51 of the temperature sensor 5, and the oxygen buffer 96, as shown in fig. 1 and 2. When a test is needed, the controller controls the ozone generator 92 to convert oxygen into ozone, after the test is finished, the lotus-shaped heater 3 is controlled to heat, the temperature sensor 5 is controlled to detect the temperature of the ozone accommodating cavity 23 of the quartz tube 2, the temperature sensor 5 sends a temperature reaching signal to the controller after detecting that the temperature of the ozone accommodating cavity 23 reaches 420 degrees, the controller receives the temperature reaching signal and controls the fan 93 to pump residual ozone into the air tube 94, the ozone enters the air tube 94, enters the ozone reducer 95 through the air inlet tube 15, is reduced into oxygen by the ozone reducer 95 and then is discharged through the air outlet tube 16, the oxygen enters the oxygen temporary storage device 96 after being discharged, and the controller controls the oxygen temporary storage device 96 to pump the oxygen into the ozone generator 92 for cyclic utilization.

In conjunction with the above, an ozone reduction method is presented that utilizes the above-described ozone reducer 95 to reduce ozone, involving other components within the ozone test chamber that are associated with ozone reduction. The method specifically comprises the following steps which are executed in sequence:

step 1: referring to fig. 6, firstly, the lotus root shaped heater 3 is placed into the housing 1 through the taking-out port 13 of the housing 1, as shown in fig. 2, the central axes of the lotus root shaped heater 3 and the housing 1 are coincided, then the quartz tube 2 is placed into the housing 1 through the taking-out port 13 of the housing 1 to cover the lotus root shaped heater 3 (as shown in fig. 8), the central axes of the quartz tube 2 and the housing 1 are coincided, after installation, as shown in fig. 8, eight sections of heating wires 33 of the lotus root shaped heater 3 are positioned in the ozone containing cavity 23 of the quartz tube 2, are distributed close to the cavity wall of the ozone containing cavity 23, and are circularly arranged around the central axis of the ozone containing cavity 23;

step 2: referring to fig. 2, a silica gel cushion 4 is filled between the quartz tube 2 and the outer shell 1;

and step 3: referring to fig. 6, firstly, the electrode 35 of the lotus-root-shaped heater 3 and the electric connection part 51 of the temperature sensor 5 are installed on the insulating base 62, then the flange sleeve 61 is sleeved on the peripheral side of the insulating base 62, the insulating base 62 is installed inside the flange sleeve 61, the insulating base 62 and the flange sleeve 61 form the end cover 6, then the silica gel sealing gasket 7 is sleeved on the rear end of the end cover 6, then the end cover 6 is installed on the extraction port 13 at the front end of the housing 1, so that the central axes of the flange sleeve 61 and the housing 1 are overlapped, in the process, the temperature sensor 5 extends into the temperature measuring hole 34 of the lotus-root-shaped heater 3 through the extraction port 13 of the housing 1 (as shown in fig. 7), after installation, as shown in fig. 2, the electric connection part 51 of the electrode 35 of the lotus-root-shaped heater 3 and the temperature sensor 5 is exposed, and the quartz tube 2, the lotus-root-shaped heater 3, the housing 1, the silica gel cushion 4, the temperature sensor 5, the end cover 6 and the silica gel sealing gasket 7 form the ozone reducer 95;

and 4, step 4: referring to fig. 1 and 2, firstly, an ozone reducer 95 is installed in a box body (not shown in the figure) of an ozone test box, then a controller, a fan 93, an air pipe 94 and an oxygen temporary storage device 96 are installed in the box body, the fan 93 is aligned with the air pipe 94, the air pipe 94 is connected with an air inlet pipe 15 of the ozone reducer 95, an air outlet pipe 16 of the ozone reducer 95 is connected with an inlet of the oxygen temporary storage device 96, and the controller is electrically connected with the fan 93, an electrode 35 of a lotus-shaped heater 3 and an electric connection part 51 of a temperature sensor 5; the ozone holding chamber 23 of quartz capsule 2 is heated to lotus root type heater 3 of controller control, control temperature sensor 5 detects the temperature in the ozone holding chamber 23, temperature sensor 5 detects after the temperature in the ozone holding chamber 23 reaches 420, send the temperature signal of reaching standard to the controller, the controller controls fan 93 after receiving the temperature signal of reaching standard and draws ozone into trachea 94, ozone gets into ozone reduction ware 95 along trachea 94, heated reduction by eight sections heater strip 31 of lotus root type heater 3 becomes oxygen in ozone holding chamber 23 of ozone reduction ware 95, oxygen gets into oxygen temporary storage device 96 after 16 discharges of outlet duct, ozone reduction ware 95 accomplishes the reduction to ozone so far.

The above description is only the embodiments of the present invention, and the scope of protection is not limited thereto. The insubstantial changes or substitutions will now be made by those skilled in the art based on the teachings of the present invention, which fall within the scope of the claims.

Claims (10)

1. Ozone reduction ware, including strip shell, the shell is equipped with the inlet port and supplies ozone to let in the shell, installs the heater in the shell, and the heater heats the ozone that gets into in the shell and reduces into oxygen, and the shell is equipped with the outlet port and supplies oxygen to discharge, and the tip of shell is opened has the extraction mouth, and the heater can be taken out through taking out the mouth, is covered with end cover, its characterized in that in extraction mouth department: the air inlet and the air outlet of the shell are arranged on the side wall.

2. The ozone reducer of claim 1, wherein: the air inlet is specifically arranged at the front part of the side wall, and the air outlet is specifically arranged at the rear part of the side wall; the outlet is specifically provided at the front end of the housing.

3. The ozone reducer of claim 2, wherein: the air inlet and the air outlet are arranged on the same side.

4. The ozone reducer of claim 1, wherein: the end cover comprises a metal flange sleeve and an insulating seat, the central axes of the flange sleeve and the shell are superposed, the insulating seat is arranged on the inner side of the flange sleeve, and the electric connection part of the heater outwards penetrates through the insulating seat and then is exposed.

5. The ozone reducer of claim 4, wherein: a temperature sensor is arranged in the shell, and an electric connection part of the temperature sensor is exposed after penetrating through the insulating seat outwards.

6. The ozone reducer of claim 1, wherein: a quartz tube is arranged in the shell, the heater is specifically arranged in the quartz tube, the air inlet of the shell is communicated with the inlet of the quartz tube, and the air outlet of the shell is communicated with the outlet of the quartz tube.

7. The ozone reducer of claim 6, wherein: a silica gel pad is clamped between the quartz tube and the shell.

8. The ozone reducer of claim 6, wherein: the quartz tube is provided with a cylindrical ozone accommodating cavity for accommodating ozone; the heater is a lotus-root-shaped heater, is arranged in the ozone accommodating cavity and is superposed with the central axes of the ozone accommodating cavity and the ozone accommodating cavity; each lotus root hole of the lotus root type heater is provided with a section of strip-shaped heating wire; the heating wire is arranged along the ozone accommodating cavity; the multistage heater strip distributes near the chamber wall in ozone holding chamber, arranges around the central axis girth in ozone holding chamber.

9. The ozone test box comprises an ozone reducer, an air extractor and a controller, wherein the air extractor pumps ozone into the ozone reducer; the method is characterized in that: the ozone reducer as claimed in any one of claims 1 to 8.

10. An ozone test chamber as claimed in claim 9, wherein: the ozone reducer as recited in claim 5, wherein the controller electrically connects the electrical connection portion of the heater and the electrical connection portion of the temperature sensor.

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