CN211903665U - Drying equipment is used in well drilling auxiliary agent production - Google Patents

Abstract

A drying device for production of drilling aids belongs to the technical field of material drying. It comprises a drying chamber, a negative pressure dehumidifying device and an air heating device; the negative pressure dehumidifying device comprises a solid-gas separator, a dehumidifying pipeline, a moisture absorber and a circulating fan, wherein the solid-gas separator is at least one group, the solid-gas separator is configured as an air suction port solid-gas separator, the moisture absorber, the circulating fan and the air heating device are sequentially arranged in the airflow direction in the dehumidifying pipeline, and two ends of the dehumidifying pipeline are respectively communicated with the drying chamber inner cavity pipeline. The drying temperature of the drying chamber is easy to control, the temperature in the drying chamber is relatively uniform, and the energy utilization rate is high.

Description

Drying equipment is used in well drilling auxiliary agent production

Technical Field

The utility model relates to a material stoving technical field, concretely relates to drying equipment is used in production of drilling auxiliary agent.

Background

In the manufacturing process of the polymer drilling aid, after a polymer colloid with the water content of about 50 percent is crushed, the polymer colloid needs to be dried to the proper water content. In order to reduce the damage of the drying process to the polymer colloid, the more accurate the temperature interval of the drying process is, the more uniform the temperature in the drying space is, and the higher the quality of the obtained intermediate product is. In addition, in order to adapt to different particle sizes of polymer colloids, the drying equipment for producing the drilling auxiliary agent needs to meet the requirement of dust emission, and the low yield caused by the escape of a powdery intermediate product is avoided. For example, patent document CN108955202A describes a chemical pigment drying device, which includes a conveyor belt disposed in a drying box for conveying materials, and hot air in the drying box heats and dries the materials in the process of the materials reaching the discharging port from the feeding port. Meanwhile, the material turning device turns the materials on the conveying belt, and drying efficiency is improved. However, in order to avoid the hot air flow in the drying box from lifting the materials on the conveying belt, the chemical pigment drying device cannot be powder; or the power of the hot air blower is low, and the hot air flow is slow, so that the efficiency of drying the powder is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a utility model aims at providing a drying equipment is used in drilling auxiliary agent production to solve current drying equipment is used in drilling auxiliary agent production and is not suitable for the technical problem of stoving powder.

In order to solve the technical problems, the following technical scheme can be selected according to the needs:

a drying device for producing a drilling auxiliary agent comprises a drying chamber, a negative pressure dehumidifying device and an air heating device; the negative pressure dehumidifying device comprises at least one group of solid-gas separators, a dehumidifying pipeline, a moisture absorber and a circulating fan, wherein the group of solid-gas separators are configured as an air suction port solid-gas separator, the air suction port solid-gas separators, the moisture absorber, the circulating fan and an air heating device are sequentially arranged in the airflow direction in the dehumidifying pipeline, and two ends of the dehumidifying pipeline are respectively communicated with the drying chamber inner cavity pipeline.

Preferably, the drying chamber is internally provided with a material support for holding materials, the exhaust port of the dehumidifying pipeline is a flat port, and the exhaust port of the dehumidifying pipeline is arranged at a corresponding position of the drying chamber so as to enable air flow discharged from the exhaust port of the dehumidifying pipeline to flow through the surface of the material support.

Further, the material holds in the palm the top and is equipped with the director, the director has last direction inclined plane and lower direction inclined plane, down the direction inclined plane with the material holds in the palm the cooperation and forms the drier and blows the passageway of raising upward, it forms the drier aggregate channel to go up the direction inclined plane, the one end of director with the inner wall of drying chamber is equipped with the material clearance of raising upward to make the drier that the drier blows the passageway of raising upward can raise upward in the director top in the drying chamber inner chamber space.

Still further, the upper surface of the material support is an inclined material support surface, the exhaust port of the dehumidifying pipeline is arranged on the lower side of the inclined material support surface, and the material lifting gap is arranged on the higher side of the inclined material support surface.

Still further, the air suction port of the dehumidifying pipeline is arranged on the higher side of the upper guide inclined plane, the lower side of the upper guide inclined plane and the lower side of the inclined material supporting surface are arranged in a avoiding mode, and the lower side of the upper guide inclined plane is connected with the inner wall of the drying chamber and corresponds to the discharge port of the drying chamber.

Preferably, the solid-gas separators are arranged in two groups, and the two groups are respectively configured as a gas suction port solid-gas separator arranged at a gas suction end of the dehumidifying pipeline and a gas exhaust port solid-gas separator arranged at a gas exhaust end of the dehumidifying pipeline.

Preferably, the air heating device adopts an electric heater.

Preferably, the dehumidifying pipeline is a heat-insulating pipe.

Preferably, the solid-gas separator is a gas permeable membrane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the air suction port solid-gas separator of the utility model can keep the powder isolated and simultaneously allow the gas and the vapor to pass, thereby avoiding the powder material from being sucked into the dehumidifying pipeline to cause the yield reduction or the equipment damage; when the circulating fan works, gas and water vapor in the drying chamber sequentially pass through the gas suction port solid-gas separator, the moisture absorber and the air heating device and then are replenished into the drying chamber again; at the moisture absorber, the water vapor is absorbed by the moisture absorber, and the air passing through the moisture absorber forms dry air; in the air heating device, the air heating device heats the air flow to raise the temperature or supplement the temperature, and the mode of heating the materials by the air flow is adopted, so that the temperature and the temperature uniformity in the drying chamber are convenient to control; the two ends of the dehumidifying pipeline are communicated with the inner cavity pipeline of the drying chamber, and in the process, heat carried by airflow is supplemented into the drying chamber, so that the energy utilization rate is improved, and the heating requirement of the drying equipment for producing the drilling auxiliary agent during continuous operation can be reduced.

2. The evaporation measures of water vapor include: raising the temperature; the air flow speed is improved; the surface area is increased. The utility model discloses a take out gas vent of wet pipeline is flat mouthful, follows take out the gas vent discharge gas flow of wet pipeline can flow through the surface that the material held in the palm, like this, can blow to the material on the material holds in the palm from the gas vent discharge gas flow of wet pipeline for the air current of material top flows, and drying efficiency is high.

3. The dry material blows the direction of passageway restriction air current, makes the air current flow along the surface that the material held in the palm, like this, except that having the heating effect, accelerating the gas flow on material surface to the material on holding in the palm, can also blow up dry powder, blows the director top with dry powder through the material clearance of blowing. Due to the blocking of the air suction port solid-gas separator, most of dry powder falls onto the upper guide inclined plane and then flows to the lower part along the upper guide inclined plane to form a dry material collecting channel, so that the dry-wet separation of materials is realized.

4. The upper surface that the material held in the palm is established to holding in the palm the charge level to one side of holding in the palm the material clearance that raises to one side from the gas vent discharge gas stream of taking out wet pipeline to one side, and the material raising that blows up dry powder like this is effectual, and the air current is good that the surface that holds in the palm the table flows along the material.

5. The lower side of the upper guide inclined plane and the lower side of the inclined material supporting surface are arranged in a avoiding mode, the lower side of the upper guide inclined plane is connected with the inner wall of the drying chamber and corresponds to a discharge hole of the drying chamber, and therefore dried powder can flow out of the discharge hole of the drying chamber along the dry material collecting channel.

6. Generally, when the drying equipment for producing the drilling auxiliary agent is operated, the exhaust port of the dehumidifying pipeline is in the air flow discharging direction, and materials cannot enter the exhaust port generally, but in some cases, such as equipment transportation and vibration, materials may enter the dehumidifying pipeline from the exhaust port of the dehumidifying pipeline, so that two groups of solid-gas separators are preferably arranged, namely, an air suction port solid-gas separator arranged at the air suction end of the dehumidifying pipeline and an exhaust port solid-gas separator arranged at the exhaust end of the dehumidifying pipeline.

7. The dehumidifying pipeline adopts the heat preservation pipe, so that the heat loss of hot air flow in the dehumidifying pipeline in the flowing process can be reduced.

Drawings

Fig. 1 is the utility model relates to a drying equipment's for well drilling auxiliary agent production structure schematic diagram.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

The reference number indicates that 10-bracket, 20-drying chamber wall body, 21-feeding port, 22-dehumidifying port, 23-exhaust port, 24-discharge port, 25-material holder, 26-guider, 30-vibration exciter, 40-dehumidifying pipeline, 41-air suction port solid-gas separator, 42-circulating fan, 43-moisture absorber, 44-exhaust port solid-gas separator and 50-air heating device.

Detailed Description

The present invention is described below in terms of embodiments with reference to the accompanying drawings to assist those skilled in the art in understanding and realizing the invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.

Example 1: a drying device for producing drilling auxiliary agent, which is shown in figure 1-2, comprises a drying chamber, a negative pressure dehumidifying device and an air heating device 50.

Referring to fig. 1-2, the drying chamber is placed on the frame 10, the drying chamber may be formed by a drying chamber wall body 20, and a feeding port 21, a dehumidifying port 22, an air supplementing port 23 and a discharging port 24 are formed on the drying chamber wall body 20. Preferably, the dehumidifying port 22 is opened on the top wall of the drying chamber.

The negative pressure dehumidifying device comprises a solid-gas separator, a dehumidifying pipeline 40, a moisture absorber 43 and a circulating fan 42, wherein the solid-gas separator is at least one group, the solid-gas separator is configured as an air suction port solid-gas separator 41, the moisture absorber 43, the circulating fan 42 and the air heating device 50 are sequentially arranged in the air flow direction in the dehumidifying pipeline 40, and two ends of the dehumidifying pipeline 40 are respectively communicated with the drying chamber inner cavity pipeline. The solid-gas separator can adopt a breathable film, the breathable film is an existing product, for example, a bottom layer material of the paper diaper is the breathable film, and fabrics made of materials such as surgical gowns, surgical curtains and the like are also the breathable film. The moisture absorber 43 may be made of moisture absorbing cotton or desiccant, and the particle size of the desiccant may be larger, so that the gaps between the desiccants are larger, thereby facilitating the passage of gas. However, it should be noted that the moisture absorber 43 and the solid-gas separator cannot significantly reduce the flow of the air flow so as not to affect the service life of the circulating fan 42.

Preferably, a material holder 25 for holding materials is arranged in the drying chamber, the exhaust port of the dehumidifying pipeline 40 is a flat port, and the exhaust port of the dehumidifying pipeline 40 is arranged at a corresponding position of the drying chamber, so that air flow exhausted from the exhaust port of the dehumidifying pipeline 40 can flow through the surface of the material holder 25.

Further, be equipped with director 26 above material holds in the palm 25, director 26 has last direction inclined plane and lower direction inclined plane, material hold in the palm 25 and the cooperation of drying chamber wall body 20 form the drier and blow up the passageway, go up the direction inclined plane and form drier aggregate channel, and the one end of director 26 is equipped with the liftout clearance with drying chamber wall body 20 to make the drier that the drier blows up the passageway and raises up can be through the liftout clearance in the drying chamber inner chamber space of lifter 26 top. In the use, need adjust the air velocity in the pipeline of taking out moisture to avoid air velocity too fast to raise more wet material, if raise a little wet material, even the powder that raises contains a little moisture, the air current blows the material, also can increase the surface area of material, also can be dried before the powder falls on upper direction inclined plane.

Still further, the upper surface of the material support 25 is inclined material supporting surface, the exhaust port of the dehumidifying pipeline 40 is arranged at the lower side of the inclined material supporting surface, and the material lifting gap is arranged at the higher side of the inclined material supporting surface.

Still further, the air inlet of the dehumidifying duct 40 is disposed at a higher side of the upper guide slope, a lower side of the upper guide slope is disposed to be spaced from a lower side of the inclined material supporting surface, and a lower side of the upper guide slope is connected to the drying chamber wall body 20 and corresponds to the discharge port of the drying chamber. The avoidance arrangement of the lower side of the upper guide inclined plane and the lower side of the inclined material supporting surface is used for separating the material feeding port 21 from the material discharging port 24 and preventing the finished material from being mixed with the raw material.

Referring to fig. 1-2, the exhaust port 23 is disposed at a lower side of the inclined plane, and the feeding port 21 is disposed at an upper side of the wall body 20 of the drying chamber corresponding to the inclined plane. Preferably, the dispensing opening 21 is also a flat opening. When in use, the feed opening 21 is provided with an opening and closing door or a plug, and after the feed opening 21 is opened, the materials can be distributed on the inclined material supporting surface through the feed opening; in the use state, the feeding opening 21 needs to be closed so as to prevent the raised materials from escaping through the feeding opening 21. The lower guide inclined plane of the guide 26 is parallel to the material supporting inclined plane; the upper end necking can also be formed with the material supporting inclined plane, so that the air speed at the necking part is high, and the material raising effect is good. The dry material collecting channel formed by the upper guide inclined plane of the guider declines towards the discharge port 24, so that dry powder is conveniently discharged from the discharge port 24. When in use, the discharge port 24 is provided with an opening and closing door or a plug, and dried powder can be collected after the discharge port 24 is opened; in use, the outlet 24 needs to be closed to prevent the lifted material from escaping through the outlet 24.

Preferably, there are two sets of solid-gas separators, which are respectively configured as an air suction solid-gas separator 41 disposed at the air suction end of the dehumidifying pipe 40 and an air discharge solid-gas separator 44 disposed at the air discharge end of the dehumidifying pipe 40.

Preferably, the air heating device may employ an electric heater.

Preferably, the dehumidifying pipe 40 is a thermal insulation pipe. In the prior art, the pipeline heat insulation measures are as follows: the surface of the pipeline is coated with an insulating layer, and the pipeline can also adopt a heat insulation pipe.

Preferably, the vibration exciter 30 can be installed on the material support, so that the vibration exciter can vibrate the material on the material support 25, and the material is rolled by vibration to generate a material turning effect. However, it should be noted that if the upper surface of the material holder 25 is an inclined material holding surface, the inclination of the inclined material holding surface needs to be designed so as to prevent the material from sliding down from the inclined material holding surface after vibration and accumulating at the lowest position of the inclined material holding surface.

The present invention has been described in detail with reference to the accompanying drawings and examples. It should be understood that in practice the description of all possible embodiments is not exhaustive, and that the inventive concepts are described herein by way of illustration as much as possible. Without departing from the utility model discloses a do not think about, and under the prerequisite of not paying the creative work, technical field's technical characterstic to the above-mentioned embodiment accepts and rejects combination, concrete parameter and tests the change, perhaps utilizes this technical field's prior art to the utility model discloses the technical means that has disclosed carries out the concrete embodiment of conventional replacement formation, all should belong to and do the utility model discloses the content of hiding the disclosure.

Claims (9)

1. A drying device for producing a drilling auxiliary agent comprises a drying chamber, a negative pressure dehumidifying device and an air heating device; the negative pressure dehumidifying device is characterized by comprising at least one group of solid-gas separators, a dehumidifying pipeline, a moisture absorber and a circulating fan, wherein the group of solid-gas separators are configured to be air-suction-port solid-gas separators, the moisture absorber, the circulating fan and an air heating device are sequentially arranged in the airflow direction in the dehumidifying pipeline, and two ends of the dehumidifying pipeline are respectively communicated with the drying chamber inner cavity pipeline.

2. The drying apparatus for drilling auxiliary production according to claim 1, wherein a material holder for holding a material is provided in the drying chamber, the exhaust port of the dehumidifying pipe is a flat port, and the exhaust port of the dehumidifying pipe is provided at a corresponding position of the drying chamber, so that the air flow discharged from the exhaust port of the dehumidifying pipe can flow over the surface of the material holder.

3. The drying apparatus for drilling auxiliary production according to claim 2, wherein a guide is provided above the material holder, the guide has an upper guide inclined surface and a lower guide inclined surface, the lower guide inclined surface cooperates with the material holder to form a dry material blowing channel, the upper guide inclined surface forms a dry material collecting channel, and a material blowing gap is provided between one end of the guide and the inner wall of the drying chamber, so that dry materials blown up by the dry material blowing channel can be blown up into the inner cavity space of the drying chamber above the guide.

4. The drying apparatus for drilling aid production according to claim 3, wherein the upper surface of the material holder is an inclined material holding surface, the exhaust port of the dehumidifying pipe is arranged at a lower side of the inclined material holding surface, and the material lifting gap is arranged at a higher side of the inclined material holding surface.

5. The drying apparatus for drilling auxiliary production according to claim 4, wherein the air suction port of the dehumidifying pipe is disposed at a higher side of the upper guiding inclined plane, a lower side of the upper guiding inclined plane is disposed to be away from a lower side of the inclined material supporting surface, and a lower side of the upper guiding inclined plane is connected to the inner wall of the drying chamber and corresponds to the discharge port of the drying chamber.

6. The drying apparatus for drilling aid production according to claim 1, wherein there are two sets of the solid-gas separators, which are respectively configured as a gas suction solid-gas separator disposed at a gas suction end of the dehumidifying pipe and a gas discharge solid-gas separator disposed at a gas discharge end of the dehumidifying pipe.

7. The drying apparatus for drilling aid production according to claim 1, wherein the air heating device employs an electric heater.

8. The drying apparatus for drilling aid production according to claim 1, wherein the dehumidifying pipe is a thermal insulation pipe.

9. The drying apparatus for drilling aid production according to claim 1, wherein the gas-solid separator is a gas permeable membrane.

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