CN213957202U - Element on-line detection equipment and material pretreatment and SMP system using same - Google Patents

Abstract

The utility model discloses an element on-line measuring equipment and utilize its material preliminary treatment and SMP system, the element on-line measuring equipment that provides is including sampling cylinder and the sample piston that can follow the transportation pipeline that the circulation has the material to sample in real time in succession online, and set up the XRF element detection device based on X ray emission and detection principle below the sampling cylinder, the online continuous real-time detection of element that above three mutually supported the use and can realize material in the transportation pipeline, can be used for material preliminary treatment system and SMP system of in-process such as industrial production or waste disposal, realize the online real-time supervision of material element.

Description

Element on-line detection equipment and material pretreatment and SMP system using same

Technical Field

The utility model belongs to the technical field of analysis and environmental protection, concretely relates to element on-line measuring equipment and utilize its material pretreatment system and cement kiln to deal with in coordination the SMP system, especially relate to an element on-line measuring equipment and utilize its material pretreatment system and cement kiln to deal with in coordination the SMP system suitable for viscous material.

Background

In the intermediate products and waste treatment processes in industrial production (e.g. in the field of chemical, food and pharmaceutical production), waste materials, such as waste disposal sludge in incineration, cement kilns in conjunction with disposal of solid waste, slurry mixtures of hazardous waste through SMP systems (crushing-mixing-pumping comprehensive material pretreatment systems), are mostly viscous materials, and most of the viscous materials belong to mixtures.

To obtain desired and controlled results in industrial production or waste treatment, for example to increase the process level in industrial production, intermediate products are obtained which meet the composition requirements; or in waste treatment, heavy metals or other elements harmful or influencing the production process in the materials such as the sludge, the slurry mixture and the like to be treated are reduced below the required level, and the element components of the viscous materials are required to be monitored in real time on line.

The existing online detection method for elements of viscous materials is mainly manual sampling and then detection and analysis are carried out in a laboratory through means such as chemistry, physics and the like. The method firstly needs special sampling personnel, laboratory personnel with certain skills and the like, and has high requirements on the personnel; secondly, the sampling is time-spaced and is not a continuous process, and the method has long detection period and insufficient real-time monitoring capability on materials. Particularly, in the synergistic treatment of the cement kiln, the defects that the method cannot continuously detect in real time are more obvious because of more types of the treated wastes, uneven content of slag slurry elements and large instantaneous concentration difference, and the instantaneous concentration change cannot be monitored, so that the process level in the kiln is reduced, the product quality is influenced, and even environmental protection accidents and the like are caused. Furthermore, if a sampling person samples by installing a valve on the wall of the material conveying pipeline, due to the viscous property of the material, the obtained sample material may be accumulated material adhered to the inner wall of the pipeline rather than new material being conveyed in the conveying pipeline, and thus the detection result is unreliable.

SUMMERY OF THE UTILITY MODEL

To one or more of the problems that exist in the prior art, one aspect of the present invention provides an element on-line detection apparatus, comprising:

the sampling tube (4) is communicated with a pipeline through which materials to be detected flow, and the sampling tube (4) is of a hollow tubular structure; the sampling piston (5) is arranged in the hollow cavity of the sampling cylinder (4) and is in sealing contact with the inner wall of the sampling cylinder (4), and the sampling piston (5) can do reciprocating motion in the hollow cavity of the sampling cylinder (4) in response to the push-pull of a sampling piston driving device (7); and an XRF element detection device (8) arranged below the sampling cylinder (4) and comprising an X-ray tube (81) and a detector (82), wherein the emitting end of the X-ray tube (81) of the XRF element detection device (8) and the receiving end of the detector (82) are right opposite to the sampling section of the sampling cylinder (4).

The wall of the sampling section cylinder of the sampling cylinder (4) is provided with a detection window which is beneficial to the XRF element detection device (8) to emit and detect rays, and the emission end of an X-ray tube (81) of the XRF element detection device (8) and the receiving end of a detector (82) are just opposite to the detection window.

The detection window is selected from any one of components made of organic glass, fluoroplastic and nylon.

In the device, the outer surface of the sampling piston (5) which is used for contacting with the inner wall of the sampling cylinder (4) is provided with a sealing ring (6).

The utility model discloses another aspect provides a but material pretreatment systems of online real-time detection element, it includes:

the material pretreatment device (1) is used for carrying out compatibility and crushing on materials; the material blending device (2) is communicated with the material pretreatment device (1) and is used for blending the pretreated material conveyed into the material blending device (2) from the material pretreatment device (1); the pumping device (9) is communicated with the material blending device (2) through a conveying pipeline (3) and is used for pumping out the blended material in the material blending device (2); and the element online detection equipment is characterized in that the sampling cylinder (4) is fixedly arranged on the pipe wall of the conveying pipeline (3), and the hollow cavity of the sampling cylinder (4) is communicated with the conveying cavity of the conveying pipeline (3).

The sampling cylinder (4) is horizontally arranged, and one end part of the sampling cylinder (4) connected with the conveying pipeline (3) is flush with the surface of the inner wall of the conveying pipeline (3).

The utility model discloses another aspect provides a but SMP system that cement kiln of online real-time detection element dealt with in coordination, it includes foretell material pretreatment system and cement kiln dore (10), wherein pumping installations (9) with the material pump after the mixing in material mixing device (2) extremely in cement kiln dore (10).

The element on-line measuring equipment that provides based on above technical scheme is including sampling cylinder and the sampling piston that can follow the circulation and have real-time sample in the pipeline of material (especially thick material) to and the XRF element detection device based on X ray fluorescence emission and detection principle of setting in the sampling cylinder below, the three uses mutually in coordination can carry out real-time on-line detection analysis in succession to the element of the material of circulation in the pipeline in real time, realizes the online continuous real-time supervision to the material. And the material obtained through the sampling tube is the new material which is being conveyed in the material conveying pipeline and is not the accumulated material which is adhered to the pipe wall, so the element online detection equipment can detect the instantaneous change of the element content in the material, the detection result is reliable, the equipment has a simple structure, the operation is convenient, and the detection cost can be effectively saved. Therefore, can with the utility model provides an element on-line measuring equipment uses in the industrial production or in the material pretreatment system or the cement kiln SMP system of handling in coordination among the waste treatment process, can realize burning mud, cement kiln in coordination with the real-time on-line monitoring of element content in viscous material such as the slag plasm of handling the process to viscous material that intermediate product related or waste treatment in-process among the industrial production.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the element on-line detection equipment provided by the utility model can carry out on-line detection on the element components of viscous materials, does not need to be sampled and then sent to a laboratory for detection, so that the on-line detection can be carried out on the spot without professional laboratory personnel, and has short time consumption and low cost;

2) the utility model provides an element on-line measuring equipment is a set of continuous data to the detection result (data) of material element, and the time interval can be very little, can reflect the instantaneous change of element content in the material in real time by great probability, therefore can be in real time continuous on-line monitoring element content in the material and change thereof, provide data support for in time adjusting production process parameter;

3) the element on-line detection equipment provided by the utility model can be suitable for the element detection in the processes of waste disposal and incineration and cement kiln cooperative disposal with various materials and complex sources, and can capture the instantaneous change of the element content in the materials with a larger probability, thereby providing a basis for material compatibility and kiln process adjustment and avoiding the reduction of the process level in the kiln or the occurrence of environmental accidents;

4) the utility model provides a work of this element check out test set of element on-line measuring equipment accessible sample piston drive arrangement and XRF element detection device automatic control to can realize in the material pretreatment system or cement kiln SMP system of dealing with in coordination the online continuous real-time automatic monitoring of material element, automatic level is high.

Drawings

Fig. 1 is a schematic structural diagram of an element on-line detection device provided by the present invention;

FIG. 2 is a schematic structural view of a material pretreatment system provided by the present invention;

FIG. 3 is a schematic diagram of a cement kiln co-processing SMP system according to the present invention;

the reference numerals are represented as:

1: a material pretreatment device; 2: a material blending device; 3: a delivery conduit; 4: a sampling tube; 5: a sampling piston; 6: a seal ring; 7: a sampling piston drive; 8: an XRF element detection device; 81: an X-ray tube; 82: a detector; 83: an XRF device assist mechanism; 9: a pumping device; 10: a cement kiln decomposing furnace.

Detailed Description

The utility model aims at providing an element on-line measuring equipment, the element on-line measuring equipment who is particularly useful for viscous material for carry out real-time online continuous monitoring to viscous material's in the industrial production or the waste treatment in-process element, and provide the SMP system that is applicable to industrial production or waste treatment technical field's material pretreatment system and cement kiln dispose in coordination based on this element on-line measuring equipment.

The present invention is illustrated in detail by the following specific examples.

The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, and the embodiment will help understanding the present invention, but should not be taken as a limitation to the content of the present invention.

Example 1: element on-line detection equipment

As shown in fig. 1, a schematic structural diagram of an element on-line detection apparatus is shown, which includes a sampling cylinder 4, a sampling piston 5, a sampling piston driving device 7, an XRF element detection device 8, and a sealing ring 6 disposed on an outer surface of the sampling piston 5. Wherein the sampling tube 4 is the cavity tubular structure for with the circulation remain the conveying chamber intercommunication of the pipeline 3 that detects the material, and then can introduce the material in the pipeline 3 into the cavity of sampling tube 4, wherein pipeline 3 can be the pipeline of the intermediate product that is in viscous material state when products such as industrial production food, chemical. The sampling piston 5 is arranged in the hollow cavity of the sampling cylinder 4 and the sampling piston 5 is in sealing contact with the inner wall of the sampling cylinder 4, for example by providing a sealing ring 6 on the outer surface for contact with the inner wall of the sampling cylinder 4 to achieve sealing contact with the inner wall of the sampling cylinder 4. The output shaft of the sampling piston driving device 7 is connected with the sampling piston 5, the sampling piston 5 can make reciprocating motion in the hollow cavity of the sampling cylinder 4 in response to the push-and-pull of the sampling piston driving device 7, which is the same as the well-known piston structure in the field, because the sampling piston 5 is in sealed contact with the inner wall of the sampling cylinder 4, when the sampling piston 5 makes the pull-and-pull motion far away from the conveying pipeline 3 in the hollow cavity of the sampling cylinder 4, the viscous material circulating in the conveying pipeline 3 can be extracted into the sampling cylinder 4 by utilizing the vacuum-pumping principle (the section of the sampling cylinder 4 close to the conveying pipeline 3 is called as the sampling section), and when the sampling piston 5 makes the push-and-pull motion near the conveying pipeline 3 in the hollow cavity of the sampling cylinder 4, the material extracted into the sampling cylinder 4 can be sent back to the conveying pipeline 3. The XRF element detection device 8 is an element detection device using X-ray fluorescence principle, and includes an X-ray tube 81, a detector 82, and an XRF device auxiliary mechanism 83 (auxiliary mechanisms such as filtering, collimating, computer, and device housing required for XRF element detection devices known in the art), the XRF element detection device 8 is disposed under the sampling cylinder 4, and the X-ray tube 81 and the detector 82 are as close as possible to the sampling cylinder 4, wherein an emitting end of the X-ray tube 81 and a receiving end of the detector 82 of the XRF element detection device 8 are aligned with a sampling section of the sampling cylinder 4 (both are preferably aligned with the same position on the sampling cylinder 4), and a sampling plunger 5 in the sampling cylinder 4 can draw the material to a position aligned with an emitting end of the X-ray tube 81 and a receiving end of the detector 82 of the XRF element detection device 8. In operation, the primary X-ray emitted by the X-ray tube 81 of the XRF element detection device 8 passes through the sampling tube 4 to excite the material therein, each element in the excited material emits a secondary ray, and the secondary rays emitted by different elements have specific energy characteristics or wavelength characteristics. The detector 82 of the XRF element detection device 8 measures the type and intensity of the emitted secondary rays, and the XRF device auxiliary mechanism 83 converts the information collected by the detector 82 into the type and content of each element in the material (the instrument analysis software used therein may be the same as the commercially available XRF element detection instrument, such as the NDA200 XRF fluorescence spectrometer), thereby realizing the detection of the elements and their content in the material. The X-ray tube 81 and detector 82 used in the XRF elemental detection device 8 of the present invention can be commercially available products known in the art, such as HX 5000X-ray tubes and Silicon Drift Detectors (SDDs), or can be specially customized for the particular application of the elemental online detection apparatus of the present invention based on the same principles.

In a preferred embodiment, the sampling tube 4 may be made of corrosion-resistant organic glass, nylon or fluoroplastic materials to facilitate the transmission of the primary X-rays emitted from the X-ray tube 81 of the XRF element detection device 8 and the detection of the secondary X-rays emitted from the excited elements in the sampling tube 4 by the detector 82 while ensuring sufficient strength.

In another preferred embodiment, the sampling tube 4 may be made of steel structure, but a detection window facilitating the transmission of the primary X-rays emitted by the XRF element detection device 8 and the transmission of the secondary X-rays emitted by the detection element is disposed at the position of the sampling section of the sampling tube 4 opposite to the probe of the XRF element detection device 8, and the detection window may be made of any one of corrosion-resistant organic glass, nylon or fluoroplastic materials.

Example 2: material pretreatment system capable of detecting elements and content thereof on line in real time

As shown in fig. 2, a schematic structural diagram of a material pretreatment system capable of detecting elements and their contents on line in real time is shown, and the system includes a material pretreatment device 1, a material blending device 2, a pumping device 9, a conveying pipeline 3 for communicating the material blending device 2 and the pumping device 9, and the element on-line detection apparatus described in embodiment 1. The material pretreatment device 1 comprises pretreatment modes such as compatibility and crushing, pretreatment operations such as compatibility and crushing of materials are executed, the pretreated materials are conveyed into the material blending device 2 for material blending operation, the material blended in the material blending device 2 is pumped out to a next-stage treatment system through the conveying pipeline 3 by the pumping device 9, for example, the material is pumped out to a cement kiln decomposing furnace 10 (shown in figure 3) for executing a cement production process, and the material can be next-stage production equipment communicated with the pumping device 9 in products such as industrial production of food, chemical medicines and the like. The sampling tube 4 in the element on-line detection equipment is fixedly arranged on the tube wall of the conveying pipeline 3 (the interface is kept sealed), and the hollow cavity of the sampling tube 4 is communicated with the conveying cavity of the conveying pipeline 3, so that the element of the material conveyed in the conveying pipeline 3 can be continuously detected in real time by using the element on-line detection equipment.

In a preferred embodiment, the sampling cylinder 4 arranged on the pipe wall of the conveying pipeline 3 is horizontally arranged, so that the material entering the hollow cavity of the sampling cylinder 4 is uniformly positioned at the bottom in the hollow cavity due to self gravity, the XRF element detection device 8 arranged below the sampling cylinder 4 can work normally, and after the detection is finished, the sampling piston 5 is favorable for pushing the material in the sampling cylinder 4 back to the conveying pipeline 3. The one end tip that sampling tube 4 and pipeline 3 are connected flushes with pipeline 3's inner wall surface, can avoid the blocking of sampling tube 4 to the material of circulation in the pipeline 3 like this, and be favorable to in the whole propelling movement pipeline 3 of material in the sampling tube 4 after detecting the completion, avoid the junction adhesion material of sampling tube 4 and pipeline 3, the material that makes when detecting next time is the new material of carrying in pipeline 3, guarantee that the testing result is reliable.

When detecting the material circulating in the conveying pipeline 3 by using the element online detection equipment, firstly, a sampling process is started: the sampling piston driving device 7 drives the sampling piston 5 to pull, so that materials are extracted from the conveying pipeline 3 into the hollow cavity of the sampling cylinder 4, and the materials are conveyed to the upper part of the XRF element detection device 8; then, the XRF element detection device 8 detects the material to obtain element and content data thereof; finally, after the detection is finished, the sampling piston driving device 7 drives the sampling piston 5 to push, and materials in the sampling cylinder 4 are sent back to the conveying pipeline 3, so that the detection process is finished. The time interval of every two detections can be preset by controlling the work of the sampling piston driving device 7 and the XRF element detection device 8, so that a series of continuous detection data can be obtained, and the on-line continuous real-time monitoring of the materials flowing through the conveying pipeline 3 is realized. When the time interval of the two detections is very small, the instantaneous change of the element content in the material flowing in the conveying pipeline 3 can be captured, so that the data timeliness is high, and the real-time reliable data support can be provided for the adjustment of process parameters in the industrial production processes of food, chemicals and the like, the material compatibility in the waste treatment process, the adjustment of process parameters in a kiln and the like.

Example 3: SMP system capable of detecting elements and content thereof on line in real time and cooperatively treating cement kiln

As shown in fig. 3, a schematic structural diagram of an SMP system cooperatively disposed with a cement kiln, capable of detecting elements and their contents in real time on line, is shown, and includes the material pretreatment system and the cement kiln decomposing furnace 10 described in the above embodiment 2, where a pumping device 9 of the material pretreatment system pumps the material mixed in the material mixing device 2 into the cement kiln decomposing furnace 10 for subsequent production process steps. Because the element online detection equipment in the embodiment 1 is arranged in the material pretreatment system, the SMP system cooperatively disposed with the cement kiln provided by the embodiment can online detect the elements and the content of the viscous material circulating in the conveying pipeline 3 in real time, provide data support for waste material compatibility and cement kiln process parameter adjustment, and avoid the reduction of the process level in the kiln or the occurrence of environmental accidents.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. An element on-line detecting apparatus, comprising:

the sampling tube (4) is communicated with a pipeline through which materials to be detected flow, and the sampling tube (4) is of a hollow tubular structure;

the sampling piston (5) is arranged in the hollow cavity of the sampling cylinder (4) and is in sealing contact with the inner wall of the sampling cylinder (4), and the sampling piston (5) can do reciprocating motion in the hollow cavity of the sampling cylinder (4) in response to the push-pull of a sampling piston driving device (7);

XRF element detection device (8), it sets up the below of sampling tube (4), including X-ray tube (81) and detector (82), just the emission end of X-ray tube (81) of XRF element detection device (8) and the receiving terminal of detector (82) are just right the sample section of sampling tube (4).

2. The on-line elemental detection apparatus according to claim 1, wherein a detection window facilitating emission and detection of radiation by the XRF elemental detection device (8) is disposed on a wall of the sampling section of the sampling cylinder (4), and an emission end of an X-ray tube (81) and a receiving end of a detector (82) of the XRF elemental detection device (8) face the detection window.

3. The on-line elemental detection apparatus of claim 2, wherein the detection window is selected from any of components made of plexiglass, fluoroplastic, nylon.

4. An on-line elemental detection apparatus according to any one of claims 1 to 3 wherein the outer surface of the sampling piston (5) for contacting the inner wall of the sampling cylinder (4) is provided with a sealing ring (6).

5. A material pretreatment system capable of detecting elements online in real time is characterized by comprising:

the material pretreatment device (1) is used for carrying out compatibility and crushing on materials;

the material blending device (2) is communicated with the material pretreatment device (1) and is used for blending the pretreated material conveyed into the material blending device (2) from the material pretreatment device (1);

the pumping device (9) is communicated with the material blending device (2) through a conveying pipeline (3) and is used for pumping out the blended material in the material blending device (2);

the on-line elemental detection apparatus according to any one of claims 1 to 4, wherein the sampling cylinder (4) is fixedly disposed on the wall of the delivery pipe (3), and the hollow cavity of the sampling cylinder (4) is communicated with the delivery cavity of the delivery pipe (3).

6. Material pretreatment system according to claim 5, characterized in that the sampling tube (4) is arranged horizontally and that the end of the sampling tube (4) connected to the conveying pipe (3) is flush with the inner wall surface of the conveying pipe (3).

7. An SMP system capable of detecting elements online and in real time in cooperation with a cement kiln, characterized by comprising the material pretreatment system and the cement kiln decomposing furnace (10) of claim 5 or 6, wherein the pumping device (9) pumps the material mixed in the material mixing device (2) into the cement kiln decomposing furnace (10).

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