CN215865998U - Extraction formula flue gas sampling probe - Google Patents

Extraction formula flue gas sampling probe Download PDF

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Publication number
CN215865998U
CN215865998U CN202121466403.7U CN202121466403U CN215865998U CN 215865998 U CN215865998 U CN 215865998U CN 202121466403 U CN202121466403 U CN 202121466403U CN 215865998 U CN215865998 U CN 215865998U
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China
Prior art keywords
cavity
smoke
sampling probe
jet
measuring cavity
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CN202121466403.7U
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Chinese (zh)
Inventor
张川
王松
朱泽恩
黄彬
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Anrongxin Technology Nanjing Co ltd
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Anrongxin Technology Nanjing Co ltd
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Abstract

The utility model relates to the technical field of on-line monitoring of fixed pollution source flue gas, in particular to an extraction type flue gas sampling probe; the measuring cavity is used for providing a flue gas measuring closed space, the mounting flange is fixed in the measuring cavity, the jet flow pump assembly is fixed on the mounting flange through bolts, the smoke dust instrument assembly is fixedly connected with the measuring cavity through bolts, the sampling probe rod assembly is fixed on the measuring cavity and extends into the flue, the flue gas in the flue is introduced into the measuring cavity, the smoke dust instrument assembly detects the flue gas, the jet flow pump assembly introduces compressed air and then discharges the compressed air, low pressure is formed in the process, the flue gas enters the jet flow pump assembly and then is discharged back into the flue, the discharge problem of the sampling gas is effectively solved, the discharge pipeline setting is not required to be increased, the space of a field arrangement pipeline is effectively saved, and the cost is reduced.

Description

Extraction formula flue gas sampling probe
Technical Field
The utility model relates to the technical field of on-line monitoring of fixed pollution source flue gas, in particular to an extraction type flue gas sampling probe.
Background
In the existing online monitoring equipment for the flue gas of the pollution source, a smoke dust instrument generally transmits the flue gas in a flue to a measuring cavity for measurement, and the flue gas is discharged through an external pipeline after passing through the measuring cavity.
According to the scheme, the discharge pipeline of the sampled smoke is required to be arranged on the site, so that the difficulty and cost of site installation and debugging are increased, and the installation cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an extraction type smoke sampling probe, and aims to solve the technical problem that in the prior art, a smoke dust instrument needs to be provided with a discharge pipeline for sampling smoke on site, so that the difficulty and cost of site installation and debugging are increased, and the installation cost is increased.
In order to achieve the purpose, the utility model adopts an extraction type smoke sampling probe which comprises a measuring cavity, a mounting flange, a jet flow pump assembly, a sampling probe rod assembly and a smoke dust instrument assembly;
the measuring cavity is fixedly connected with the mounting flange, the jet flow pump assembly is detachably connected with the mounting flange and is located inside the measuring cavity, the sampling probe rod assembly is detachably connected with the measuring cavity, and the smoke dust instrument assembly is detachably connected with the measuring cavity.
The utility model discloses a flue gas measurement device, including measurement cavity, jet pump subassembly, sampling probe rod subassembly, smoke and dust appearance unit mount, mounting flange fixes measure the inside of cavity, be used for the installation jet pump subassembly, sampling probe rod subassembly with measure the cavity intercommunication to in going deep into the flue, introduce the flue gas in the flue measure in the cavity, measure the cavity and measure the flue gas and provide confined cavity space, smoke and dust appearance unit mount is in measure on the cavity, be used for measuring flue gas content, jet pump subassembly provides power to the adoption of flue gas, and discharge the mist of compressed air and sample gas back to in the flue simultaneously.
The jet pump assembly comprises a jet pump and a jet air inlet pipe, and the jet pump is detachably connected with the mounting flange and is positioned in the measuring cavity; the jet air inlet pipe is communicated with the jet pump and penetrates through the measuring cavity.
The jet pump introduces compressed air through the jet air inlet pipe.
The jet pump assembly further comprises a jet exhaust pipe, and the jet exhaust pipe is communicated with the jet pump and is located inside the measuring cavity.
And compressed air introduced by the jet pump is discharged through the jet exhaust pipe.
The jet pump is provided with an air inlet hole, and the air inlet hole is positioned between the jet air inlet pipe and the jet exhaust pipe.
And in the process of introducing compressed air into the jet pump and then discharging the compressed air, the jet pump forms low pressure inside the jet pump, then sucks the smoke in the detection cavity through the air inlet hole, and finally discharges the mixed smoke together through the jet exhaust pipe.
The sampling probe rod assembly comprises a sampling pipe and a sampling connecting rod, and the sampling connecting rod is in threaded connection with the measuring cavity and is positioned on one side of the measuring cavity, which is far away from the mounting flange; the sampling pipe with the connection rod can be dismantled and be connected, and be located the sampling connecting rod is kept away from one side of measuring the cavity.
The sampling connecting pipe is connected to the measuring cavity through threads, the sampling pipe is communicated with the sampling connecting rod and goes deep into the flue, and smoke is introduced into the measuring cavity.
The smoke dust instrument assembly comprises an installation shell and a smoke dust tester, wherein the installation shell is detachably connected with the measurement cavity and is positioned on one side of the measurement cavity, which is far away from the sampling connecting rod; the smoke dust tester is fixedly connected with the mounting shell and is positioned inside the mounting shell.
The smoke dust tester is arranged in the mounting shell and then connected with the measuring cavity, so that the smoke dust tester extends into the measuring cavity to detect smoke.
The extraction type smoke sampling probe further comprises a connecting flange, wherein the connecting flange is fixedly connected with the measuring cavity and is positioned on one side of the measuring cavity, which is close to the mounting shell.
The connecting flange is fixedly connected with the measuring cavity for a bolt to pass through, and the mounting shell is fixedly connected with the measuring cavity.
The extraction type smoke sampling probe further comprises a fixed block, wherein the fixed block is fixedly connected with the installation shell and is positioned on one side, close to the measurement cavity, of the installation shell.
The fixed block is provided with a threaded hole for a bolt to pass through and install the bolt on an embedded flange of the flue.
The extraction type smoke sampling probe of the utility model provides a closed space for smoke measurement through the measurement cavity, the mounting flange is fixed inside the measuring cavity, the jet flow pump assembly is fixed on the mounting flange through bolts, the smoke and dust instrument component is fixedly connected with the measuring cavity through a bolt, the sampling probe rod component is fixed on the measuring cavity, the sampling probe rod component is inserted into the flue, the flue gas in the flue is introduced into the measuring cavity, the smoke dust instrument component detects smoke, the jet pump component introduces compressed air and then discharges the compressed air, low pressure is formed in the process, and then the flue gas gets into among the jet pump subassembly, arrange back to the flue in again, effectively solved the emission problem of sampling gas, need not to increase the discharge line setting again, effectively save the space and the reduce cost of on-the-spot arrangement pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an extraction type smoke sampling probe of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a of the present invention.
Fig. 3 is a diagram of the operating state of the extraction flue gas sampling probe of the present invention.
1-measuring cavity, 2-mounting flange, 3-connecting flange, 4-fixing block, 10-jet pump assembly, 11-jet pump, 12-jet air inlet pipe, 13-jet air outlet pipe, 20-sampling probe rod assembly, 21-sampling pipe, 22-sampling connecting rod, 30-smoke dust instrument assembly, 31-mounting shell, 32-smoke dust tester, 100-extraction type smoke sampling probe and 111-air inlet hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the utility model provides an extraction type smoke sampling probe 100, which comprises a measuring cavity 1, a mounting flange 2, a jet flow pump assembly 10, a sampling probe rod assembly 20 and a smoke instrument assembly 30;
the mounting flange 2 with measure 1 fixed connection of cavity, and be located measure the inside of cavity 1, jet pump subassembly 10 with mounting flange 2 can dismantle the connection, and be located measure the inside of cavity 1, sampling probe rod subassembly 20 with measure the cavity 1 and can dismantle the connection, smoke and dust appearance subassembly 30 with measure the cavity 1 and can dismantle the connection.
In this embodiment, the mounting flange 2 is fixed inside the measurement cavity 1 and is used for mounting the jet pump assembly 10, the jet pump assembly 10 is connected with the mounting flange 2 through a bolt, the sampling probe rod assembly 20 is communicated with the measurement cavity 1 and is used for extending into a flue, and the smoke and dust instrument assembly 30 is connected with the measurement cavity 1 through a bolt and extends into the measurement cavity 1 and is used for smoke detection; compressed air is introduced into the measuring cavity 1 by the jet pump assembly 10 and then discharged, low pressure is formed in the process, smoke in a flue enters the measuring cavity 1 through the sampling probe rod, the smoke dust instrument inspects the sampled smoke, meanwhile, the smoke is sucked into the jet pump assembly 10 due to the low pressure, and finally the smoke and the compressed air pass through the jet pump assembly 10 and are discharged into the flue, the whole sampling, measuring and backflow processes are all solved in the flue at one time, the problem of discharge of the sampled gas is effectively solved, the arrangement of a discharge pipeline is not needed, the space of a pipeline arranged on site is effectively saved, and the cost is reduced.
Further, referring to fig. 1 and fig. 2, the jet pump assembly 10 includes a jet pump 11 and a jet intake pipe 12, and the jet pump 11 is detachably connected to the mounting flange 2 and is located inside the measurement cavity 1; the jet flow air inlet pipe 12 is communicated with the jet flow pump 11 and penetrates through the measuring cavity 1.
Further, referring to fig. 1 and 2, the jet pump assembly 10 further includes a jet exhaust pipe 13, and the jet exhaust pipe 13 is communicated with the jet pump 11 and is located inside the measurement cavity 1.
Further, referring to fig. 2, the jet pump 11 has an air inlet hole 111, and the air inlet hole 111 is located between the jet air inlet pipe 12 and the jet air outlet pipe 13.
IN this embodiment, the model of the jet pump 11 is LL-1IN, and is fixed to the mounting flange 2 by bolts and located inside the measurement cavity 1, the air inlet of the jet pump 11 is connected to the jet intake pipe 12, the jet intake pipe 12 penetrates through the measurement cavity 1 and is connected to power sources such as an external vacuum pump and an air pump, so as to introduce compressed air, the air outlet of the jet pump 11 is connected to the jet exhaust pipe 13, so as to discharge the introduced compressed air into the measurement cavity 1 through the jet exhaust pipe 13, so that low pressure is generated during the rapid air flow process, and the jet pump 11 has the air inlet 111 communicated with the measurement cavity 1, so as to form low pressure IN the measurement cavity 1, so that flue gas IN a flue can enter the measurement cavity 1 through the sampling probe assembly 20 and be detected by the smoke detector assembly 30, then the gas flows into the jet flow exhaust pipe 13 through the gas inlet hole 111 and is exhausted together, the whole sampling, measuring and backflow processes are all solved in the flue at one time, the problem of emission of the sampled gas is effectively solved, the arrangement of an emission pipeline is not needed, the space of a pipeline arranged on the site is effectively saved, and the cost is reduced.
Further, referring to fig. 1, the sampling probe assembly 20 includes a sampling tube 21 and a sampling connecting rod 22, the sampling connecting rod 22 is in threaded connection with the measurement cavity 1 and is located on a side of the measurement cavity 1 away from the mounting flange 2; the sampling tube 21 is detachably connected with the sampling connecting rod 22 and is positioned on one side of the sampling connecting rod 22 far away from the measurement cavity 1.
In this embodiment, the one end of sampling connecting rod 22 pass through the screw thread with measure cavity 1 and connect, and with measure cavity 1 intercommunication, sampling pipe 21 pass through the screw thread or bolt with sampling connecting rod 22 connects, and with sampling connecting rod 22 is linked together for in stretching into the flue, introduce flue gas in the flue measure cavity 1, and sampling pipe 21 adopts the rubber material to make, is applicable to in stretching into the flue of multiple shape, sampling connecting rod 22 plays and connects the drainage effect.
Further, referring to fig. 1 and fig. 2, the smoke detector assembly 30 includes a mounting shell 31 and a smoke detector 32, wherein the mounting shell 31 is detachably connected to the measurement cavity 1 and is located on a side of the measurement cavity 1 away from the sampling connecting rod 22; the smoke tester 32 is fixedly connected with the mounting shell 31 and is located inside the mounting shell 31.
In this embodiment, installation shell 31 internally mounted smoke and dust tester 32, smoke and dust tester 32 model is JS60E, through installation shell 31 with measure the cavity 1 and connect, and stretch into measure the inside of cavity 1 for the content of inspection sampling flue gas, and then can in time make the processing to the flue gas that exceeds standard, be favorable to environmental protection.
Further, referring to fig. 1, the removable smoke sampling probe 100 further includes a connecting flange 3, and the connecting flange 3 is fixedly connected to the measurement cavity 1 and is located on one side of the measurement cavity 1 close to the mounting shell 31.
In this embodiment, the connecting flange 3 is fixed on the measuring cavity 1 for bolts to pass through, the measuring cavity 1 is fixedly connected with the mounting shell 31, and the smoke tester 32 is further mounted on the measuring cavity 1, so that the mounting is more convenient.
Further, referring to fig. 1, the removable smoke sampling probe 100 further includes a fixing block 4, and the fixing block 4 is fixedly connected to the mounting shell 31 and is located on one side of the mounting shell 31 close to the measurement cavity 1.
In this embodiment, the fixing block 4 is fixedly connected to the mounting shell 31 for the bolt to pass through, the mounting shell 31 is mounted on the pre-embedded flange of the flue, and the smoke tester 32 is mounted on the flue, so that the smoke can be conveniently detected and monitored, people can find the smoke exceeding the standard in time, the smoke is treated, and the environment protection is facilitated.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. An extraction type smoke sampling probe is characterized by comprising a measuring cavity, a mounting flange, a jet flow pump assembly, a sampling probe rod assembly and a smoke dust instrument assembly;
the measuring cavity is fixedly connected with the mounting flange, the jet flow pump assembly is detachably connected with the mounting flange and is located inside the measuring cavity, the sampling probe rod assembly is detachably connected with the measuring cavity, and the smoke dust instrument assembly is detachably connected with the measuring cavity.
2. The removable smoke sampling probe of claim 1,
the jet pump assembly comprises a jet pump and a jet air inlet pipe, and the jet pump is detachably connected with the mounting flange and is positioned in the measuring cavity; the jet air inlet pipe is communicated with the jet pump and penetrates through the measuring cavity.
3. The removable smoke sampling probe of claim 2,
the jet pump assembly further comprises a jet exhaust pipe, and the jet exhaust pipe is communicated with the jet pump and is located inside the measuring cavity.
4. The removable smoke sampling probe of claim 3,
the jet pump is provided with an air inlet hole which is positioned between the jet air inlet pipe and the jet exhaust pipe.
5. The removable smoke sampling probe of claim 1,
the sampling probe rod assembly comprises a sampling pipe and a sampling connecting rod, and the sampling connecting rod is in threaded connection with the measuring cavity and is positioned on one side of the measuring cavity, which is far away from the mounting flange; the sampling pipe with the connection rod can be dismantled and be connected, and be located the sampling connecting rod is kept away from one side of measuring the cavity.
6. The removable smoke sampling probe of claim 5,
the smoke and dust instrument assembly comprises an installation shell and a smoke and dust tester, wherein the installation shell is detachably connected with the measurement cavity and is positioned on one side of the measurement cavity, which is far away from the sampling connecting rod; the smoke dust tester is fixedly connected with the mounting shell and is positioned inside the mounting shell.
7. The removable smoke sampling probe of claim 6,
the extraction type smoke sampling probe further comprises a connecting flange, wherein the connecting flange is fixedly connected with the measuring cavity and is positioned at one side of the measuring cavity close to the mounting shell.
8. The removable smoke sampling probe of claim 6,
the extraction formula flue gas sampling probe still includes the fixed block, the fixed block with installation shell fixed connection, and be located the installation shell is close to one side of measuring the cavity.
CN202121466403.7U 2021-06-28 2021-06-28 Extraction formula flue gas sampling probe Active CN215865998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121466403.7U CN215865998U (en) 2021-06-28 2021-06-28 Extraction formula flue gas sampling probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121466403.7U CN215865998U (en) 2021-06-28 2021-06-28 Extraction formula flue gas sampling probe

Publications (1)

Publication Number Publication Date
CN215865998U true CN215865998U (en) 2022-02-18

Family

ID=80335942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121466403.7U Active CN215865998U (en) 2021-06-28 2021-06-28 Extraction formula flue gas sampling probe

Country Status (1)

Country Link
CN (1) CN215865998U (en)

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