CN218444738U

CN218444738U - Be used for gaseous sample pretreatment washing unit of process

Info

Publication number: CN218444738U
Application number: CN202222437954.1U
Authority: CN
Inventors: 王文通; 徐绿杨
Original assignee: Qingdao Sanhuatai Engineering Technology Co ltd
Current assignee: Qingdao Sanhuatai Engineering Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-02-03
Anticipated expiration: 2032-09-15

Abstract

The utility model provides a be used for process gas sample preliminary treatment washing device, including outer tube and inner tube, the outer pipe box is on the inner tube, the sample entry is installed to top one side of outer tube, the inlet pipe is installed to the bottom of sample entry, and the inner tube is arranged in to the bottom of inlet pipe, the bottom one side of outer tube is installed and is washd the water entry, washs the water entry and runs through outer tube and inner tube, wash the bottom of water entry and install the relief pressure valve flowmeter, the trachea is installed to one side that the sample entry was kept away from at the top of outer tube, and automatic exhaust valve is installed at the trachea top, one side of outer tube is equipped with the overflow mouth. According to the method, the washing form and the washing method are changed, and a certain liquid level difference value of the washing tank is ensured by depending on the pressure of the sample and the pressure balance of the washing water after the pressure is reduced, so that the water-soluble components in the sample are fully replaced by the washing water, and the stability of the pressure of the subsequent sample is ensured by depending on the water seal.

Description

Be used for gaseous sample pretreatment washing unit of process

Technical Field

The utility model belongs to the technical field of washing device, especially indicate a be used for processing gas sample preliminary treatment washing device.

Background

The existing sample pretreatment washing device is single in structural form, low in washing efficiency, small in size of a washing tank, prone to causing incomplete washing and causing untimely overflow to cause washing water to flow into a subsequent sample pipeline, causing inaccurate measurement of an analysis instrument and possibly causing damage of the analysis instrument seriously, and therefore the washing device for pretreating the process gas sample is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a water washing device for pretreating process gas samples.

The technical scheme of the utility model is realized like this:

the device for pretreating and washing the process gas sample comprises an outer pipe and an inner pipe, wherein the outer pipe is sleeved on the inner pipe, a sample inlet is arranged on one side of the top of the outer pipe, a feeding pipe is arranged at the bottom of the sample inlet, and the bottom of the feeding pipe is arranged in the inner pipe;

a cleaning water inlet is arranged on one side of the bottom of the outer pipe, penetrates through the outer pipe and the inner pipe, and a pressure reducing valve flowmeter is arranged at the bottom end of the cleaning water inlet;

the sample inlet is kept away from at the top of outer tube one side and is installed the trachea, and automatic exhaust valve is installed at the trachea top, one side of outer tube is equipped with the overflow mouth, and the overflow mouth runs through in the inner tube.

Preferably, the top of the inner pipe is provided with a first flange, the top of the outer pipe extends to form a hoop blind plate, the bottom of the first flange is in contact with the top of the hoop blind plate, the top of the first flange is coaxially provided with at least three first fastening bolts, and the first fastening bolts penetrate through the first flange and are in threaded connection with the hoop blind plate;

the utility model discloses a flange joint, including inner tube, outer tube, second clamp blind plate, second fastening bolt, second flange and second flange, the second flange is installed to the bottom of inner tube, the bottom extension of outer tube is equipped with second clamp blind plate, the second flange contacts with second clamp blind plate, second fastening bolt is installed at the top of second clamp blind plate, second fastening bolt run through second clamp blind plate and with second flange threaded connection.

Preferably, a flange window is arranged on one side of the outer pipe, which is far away from the overflow port, and the flange window is aligned with the overflow port.

Preferably, the honeycomb duct is symmetrically arranged on one side, located at the flange window, of the outer pipe, the honeycomb duct penetrates through the inner pipe, the welding joint is installed at one end, far away from the outer pipe, of the honeycomb duct, a visible liquid level pipe is arranged between the welding joints, and the two ends of the visible liquid level pipe are fixed to the welding joint and are communicated with the honeycomb duct.

Preferably, the bottom end of the feed pipe is provided with a sintered filter.

Preferably, a drain outlet is installed at a side of the bottom of the outer pipe, which is far away from the washing water inlet.

Compared with the prior art, the utility model discloses a washing form and washing method have been changed, rely on sample pressure and wash the water pressure reduction back pressure balance, guarantee the certain liquid level difference value of washing jar, thereby make wash the abundant replacement of the component of the easy soluble water in with the sample come out, and rely on the water seal, guarantee the stability of follow-up sample pressure.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a structural cross-sectional view of a device for pretreating and washing process gas samples according to the present invention.

Fig. 2 is a schematic structural diagram of a device for pretreating and washing process gas samples according to the present invention.

In the figure: the device comprises an outer pipe 1, an inner pipe 2, a sample inlet 3, a feeding pipe 4, a cleaning water inlet 5, a pressure reducing valve flowmeter 6, an air pipe 7, an automatic exhaust valve 8, an overflow port 9, a first flange 10, a first clamp blind plate 11, a first fastening bolt 12, a second flange 13, a second clamp blind plate 14, a second fastening bolt 15, a flange window 16, a flow guide pipe 17, a welding head 18, a visible liquid level pipe 19, a sintered filter 20 and a sewage discharge port 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a water washing device for pretreating a process gas sample comprises an outer tube 1 and an inner tube 2, wherein the outer tube 1 is sleeved on the inner tube 2, a sample inlet 3 is arranged on one side of the top of the outer tube 1, a feeding tube 4 is arranged at the bottom of the sample inlet 3, the bottom of the feeding tube 4 is arranged in the inner tube 2, the sample gas can be conveyed into the inner tube 2 through the feeding tube 4 through the sample inlet 3 and is contacted with washing water for washing, and water-soluble components in the sample gas are removed;

a cleaning water inlet 5 is arranged on one side of the bottom of the outer pipe 1, the cleaning water inlet 5 penetrates through the outer pipe 1 and the inner pipe 2, a pressure reducing valve flowmeter 6 is arranged at the bottom end of the cleaning water inlet 5, cleaning water can be injected into the inner pipe 2 through the cleaning water inlet 5, so that the cleaning water is contacted with sample gas, water-soluble components in the sample gas are removed, and the speed of conveying the cleaning water through the cleaning water inlet 5 can be controlled by the pressure reducing valve flowmeter 6, so that the air pressure in the inner cylinder 2 is kept stable;

the trachea 7 is installed to the one side that sample entry 3 was kept away from at the top of outer tube 1, and automatic exhaust valve 8 is installed at trachea 7 top, and one side of outer tube 1 is equipped with overflow mouth 9, and overflow mouth 9 runs through in inner tube 2, and atmospheric pressure in can keeping inner tube 2 through automatic exhaust valve 8 is stable, and rethread overflow mouth 9 can be with unnecessary washing water discharge inner tube 2 to avoid influencing follow-up use.

When the device is used, cleaning water enters the inner tube 2 through the cleaning water inlet 5, the liquid level position of the cleaning water in the inner tube 2 can be observed through the visible liquid level pipe 19, when the device reaches a specified position, a sample is conveyed into the feeding pipe 4 through the sample inlet 3 and then moves into the sintering filter 20 through the feeding pipe 4, and finally the sample is discharged into the cleaning water in the inner tube 2 through the sintering filter 20, bubbles generated in the cleaning water by sample gas can be divided into fine bubbles under the action of the sintering filter 20, the contact area with the cleaning water is increased, the water washing can be completed in the rising process of the sample gas, after the sample gas and the cleaning water form stable pressure at the overflow port 9, excessive cleaning water flows out from the overflow port 9, the working condition of the overflow port 9 can be observed through the flange window 16, the influence on the air pressure in the inner tube 2 due to untimely discharge of the overflow port 9 can be avoided, and the use influence on the air pressure in the inner tube 2 can be avoided.

Further, as shown in fig. 1, a first flange 10 is installed at the top of the inner pipe 2, a first hoop blind plate 11 extends from the top of the outer pipe 1, the bottom of the first flange 10 contacts with the top of the first hoop blind plate 11, at least three first fastening bolts 12 are coaxially installed at the top of the first flange 10, the first fastening bolts 12 penetrate through the first flange 10 and are in threaded connection with the first hoop blind plate 11, and the first flange 10 and the first hoop blind plate 11 can be fixed together through the first fastening bolts 12, so that the tops of the outer pipe 1 and the inner pipe 2 can be fixed together, and the fixation is relatively stable;

second flange 13 is installed to the bottom of inner tube 2, the bottom extension of outer tube 1 is equipped with second clamp blind plate 14, second flange 13 contacts with second clamp blind plate 14, second fastening bolt 15 is installed to the bottom of second clamp blind plate 14, second fastening bolt 15 run through second clamp blind plate 14 and with second flange 13 threaded connection, can be in the same place second flange 13 and second clamp blind plate 14 are fixed through second fastening bolt 15, can link together outer tube 1 and 2 bottoms of inner tube, convenient for connection.

Furthermore, as shown in fig. 1, a flange window 16 is installed on one side of the outer tube 1 away from the overflow port 9, and the flange window 16 is aligned with the overflow port 9, so that the working condition of the overflow port 9 can be observed through the flange window 16, thereby avoiding affecting the use.

Furthermore, as shown in fig. 1, a flow guide pipe 17 is symmetrically arranged on one side of the outer pipe 1, which is located on the flange window 16, the flow guide pipe 17 penetrates through the inner pipe 2, a welding head 18 is arranged at one end of the flow guide pipe 17, which is far away from the outer pipe 1, a visible liquid level pipe 19 is arranged between the welding heads 18, two ends of the visible liquid level pipe 19 are fixed on the welding head 18 and are communicated with the flow guide pipe 17, the visible liquid level pipe 19 is communicated with the inner pipe through the flow guide pipe 17, so that the liquid level position of cleaning water in the inner pipe 2 can be indirectly observed through the visible liquid level pipe 19, and workers can conveniently know the condition in the inner pipe 2.

Further, as shown in fig. 1, a sintered filter 20 is installed at the bottom end of the feeding pipe 4, and bubbles generated in the cleaning water by the sample gas can be divided into fine bubbles by the sintered filter 20, so that the contact area between the sample gas and the cleaning water is increased, and the cleaning effect is improved.

Furthermore, as shown in fig. 1, a drain 21 is installed on a side of the bottom of the outer tube 1 away from the washing water inlet 5, and residues generated after the washing water reacts with the water-soluble components in the sample gas can be discharged through the drain 21, so that the residues are prevented from remaining in the inner tube 2 to affect subsequent use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The device for pretreating and washing the process gas sample comprises an outer pipe (1) and an inner pipe (2), and is characterized in that the outer pipe (1) is sleeved on the inner pipe (2), a sample inlet (3) is installed on one side of the top of the outer pipe (1), a feeding pipe (4) is installed at the bottom of the sample inlet (3), and the bottom of the feeding pipe (4) is arranged in the inner pipe (2);

a cleaning water inlet (5) is arranged on one side of the bottom of the outer pipe (1), the cleaning water inlet (5) penetrates through the outer pipe (1) and the inner pipe (2), and a pressure reducing valve flowmeter (6) is arranged at the bottom end of the cleaning water inlet (5);

trachea (7) are installed to one side that sample entry (3) were kept away from at the top of outer tube (1), and automatic exhaust valve (8) are installed at trachea (7) top, one side of outer tube (1) is equipped with overflow mouth (9), and overflow mouth (9) run through in inner tube (2).

2. The device for pretreating and washing the process gas sample according to claim 1, wherein a first flange (10) is mounted at the top of the inner pipe (2), a first hoop blind plate (11) extends from the top of the outer pipe (1), the bottom of the first flange (10) is in contact with the top of the first hoop blind plate (11), at least three first fastening bolts (12) are coaxially mounted at the top of the first flange (10), and the first fastening bolts (12) penetrate through the first flange (10) and are in threaded connection with the first hoop blind plate (11);

second flange (13) are installed to the bottom of inner tube (2), the bottom extension of outer tube (1) is equipped with second clamp blind plate (14), second flange (13) contact with second clamp blind plate (14), second fastening bolt (15) are installed to the bottom of second clamp blind plate (14), and second fastening bolt (15) run through second clamp blind plate (14) and with second flange (13) threaded connection.

3. A device for pretreating and washing process gas samples according to claim 1, wherein a flange window (16) is mounted on the side of the outer tube (1) remote from the overflow port (9), and the flange window (16) is aligned with the overflow port (9).

4. The device for pretreating and washing the process gas sample according to claim 1, wherein flow guide pipes (17) are symmetrically arranged on one side of the outer pipe (1) positioned at the flange window (16), the flow guide pipes (17) penetrate through the inner pipe (2), a welding head (18) is arranged at one end of the flow guide pipe (17) far away from the outer pipe (1), a visible liquid level pipe (19) is arranged between the welding heads (18), and two ends of the visible liquid level pipe (19) are fixed on the welding head (18) and are communicated with the flow guide pipe (17).

5. A device for pretreatment water washing of process gas samples according to claim 1, characterized in that the bottom end of the feeding pipe (4) is fitted with a sintered filter (20).

6. A water washing apparatus for pretreatment of process gas samples according to claim 1, characterized in that the bottom of the outer tube (1) is fitted with a drain (21) on the side away from the washing water inlet (5).