CN216870278U

CN216870278U - Constant temperature type viscometer

Info

Publication number: CN216870278U
Application number: CN202122957368.5U
Authority: CN
Inventors: 秦清春
Original assignee: Minghui Daqin Environmental Technology Co ltd
Current assignee: Minghui Daqin Environmental Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-07-01
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to a constant temperature viscometer which comprises a shell, wherein the upper half part of the shell is a cylinder, the lower half part of the shell is a cone, the bottom of the lower half cone of the shell is provided with a round hole, the bottom of the shell is provided with a support, the bottom of the support is provided with a weight sensor, the top of the shell is provided with a cover body, the cover body is provided with a feed inlet and an air inlet, a heat exchange channel is arranged in the shell, the inlet of the heat exchange channel is connected with the output end of external heat pump equipment, and the outlet of the heat exchange channel is connected with the input end of the external heat pump equipment. Compared with the prior art, the coupling constant temperature assembly realizes that the liquid added into the viscometer shell can be kept at the preset measurement temperature, and the measurement error is obviously reduced.

Description

Constant temperature type viscometer

Technical Field

The utility model relates to a viscometer, in particular to a constant-temperature viscometer.

Background

Viscometers are used in instruments that measure the viscosity of fluids (liquids and gases). Viscosity is a physical quantity representing internal friction occurring inside a fluid when the fluid flows, is the ability of the fluid to resist deformation, and is an important index for identifying certain finished or semi-finished products.

CN201653853U discloses a viscometer, its characterized in that: the upper half part of the shell is provided with a feed inlet and an air inlet, the bottom of the lower half cone of the shell is provided with a round hole, the bottom of the shell is provided with a support, and the bottom of the support is provided with a weight sensor.

However, in the prior art, the liquid temperature values of the industrial liquid are different in the transferring process, the process of adding the viscometer into a shell and the viscosity measuring process, and are very easily influenced by the external environment, so that the measured liquid has no constant temperature, and the viscosity value of the measured liquid is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a constant temperature viscometer, which realizes that liquid added into a viscometer shell can be kept at a preset measurement temperature through a coupled constant temperature component, and obviously reduces measurement errors.

The purpose of the utility model can be realized by the following technical scheme:

the purpose of this technical scheme is to protect a thermostatic type viscometer, including the casing, the first one of casing is the cylinder, the casing lower half is the cone, and the bottom of the lower half cone of casing is equipped with the round hole, and the bottom of casing is equipped with the support, and the bottom of support is equipped with weighing transducer, and the top of casing is equipped with the lid, be equipped with feed inlet and inlet port on the lid, be equipped with the heat transfer passageway in the casing, the entry and the output of outside heat pump equipment of heat transfer passageway are connected, the export and the input of outside heat pump equipment of heat transfer passageway are connected.

Further, the heat exchange channel is a spiral heat exchange channel.

Furthermore, the heat exchange channel is a spiral heat exchange channel arranged in the outer wall of the shell.

Further, the screw pitches of the heat exchange channels are uniform.

Further, the diameter of the heat exchange channel is uniform, and the diameter of the heat exchange channel is smaller than the wall thickness of the shell.

Further, the heat exchange channel and the shell are both made of rigid metal.

Further preferably, the shell and the heat exchange channel inside the shell are both made by 3D printing additive manufacturing.

Further, the external heat pump device comprises a compressor, a condenser, an evaporator, a four-way reversing valve and a throttle valve.

Further, the heat exchange passages are filled with refrigerant.

Furthermore, a temperature sensor is arranged in the heat exchange channel and electrically connected with an external computer terminal.

Further, the heat exchange channel is arranged in the inner wall of the upper half part of the shell.

Compared with the prior art, the coupling constant temperature assembly realizes that the liquid added into the viscometer shell can be kept at the preset measurement temperature, the measurement error is obviously reduced, and the accurate temperature control can be carried out through the sensor so as to ensure that the temperature is equal to the preset measurement temperature.

Drawings

Fig. 1 is a schematic structural diagram of a constant temperature viscometer in the technical scheme.

In the figure: 1. the heat pump device comprises a shell, 2, an upper shell half part, 3, a lower shell half part, 4, a feed inlet, 5, an air inlet, 6, a round hole, 7, a support, 8, a weight sensor, 9, a cover body, 10, external heat pump equipment, 11 and a heat exchange channel.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments. In the technical scheme, characteristics such as structure/module names, control modes, algorithms, process procedures or composition ratios and the like which are not explicitly described are all regarded as common technical characteristics disclosed in the prior art.

The purpose of this technical scheme is to protect a thermostatic type viscometer, including casing 1, first 2 of casing are the cylinder, casing lower half 3 is the cone, and the bottom of the lower half cone of casing is equipped with round hole 6, and the bottom of casing is equipped with support 7, and the bottom of support is equipped with weighing transducer 8, and the top of casing is equipped with lid 9, be equipped with feed inlet and inlet port on the lid 9, be equipped with heat transfer passageway 11 in the casing 1, the entry of heat transfer passageway 11 is connected with outside heat pump equipment 10's output, the export of heat transfer passageway 11 is connected with outside heat pump equipment 10's input.

The top of casing is equipped with lid 9, is equipped with feed inlet 4 and inlet port 5 on the lid. The feed inlet 4 and the air inlet 5 are arranged on the side surface of the upper half part 2 of the shell, and the size of the round hole is 5-12 mm.

The heat exchange channel 11 is a spiral heat exchange channel, and the heat exchange channel 11 is a spiral heat exchange channel arranged in the outer wall of the shell 1. Wherein the screw pitch of the heat exchange channel 11 is uniform. The diameter of the heat exchange channel 11 is uniform, and the diameter of the heat exchange channel 11 is smaller than the wall thickness of the shell 1.

The heat exchange channel 11 and the shell 1 are both made of rigid heat-conducting metal. The shell 1 and the heat exchange channel 11 inside the shell are both made of 3D printing additive manufacturing, so that the shell 1 achieves the optimal heat conduction effect.

The external heat pump apparatus 10 includes a compressor, a condenser, an evaporator, a four-way selector valve, and a throttle valve. The heat pump equipment which is the mainstream in the market is adopted, wherein the four-way reversing valve adopts an electromagnetic valve, and a wireless signal transceiver is arranged on the electromagnetic valve, so that the instructions of a computer terminal can be received.

The heat exchange channel 11 is filled with refrigerant, i.e. the heat exchange channel 11 is directly butted against the refrigerant line of the external heat pump device 10. A temperature sensor is arranged in the heat exchange channel 11, the temperature sensor is electrically connected with an external computer terminal, and the external computer terminal can instruct the external heat pump device 10 to adjust the output heat in real time, particularly adjust the temperature. The heat exchange channel 11 is arranged in the inner wall of the upper shell half 2, and because the technical scheme adopts a heat-conducting metal material, the lower shell half 3 can also realize sufficient heat transfer through heat conduction.

As for the viscosity measurement principle in the present technical solution, it is consistent with the principle in the CN201653853U solution, and those skilled in the art can refer to this without being the innovation point of the present invention. Namely: 1. the viscosity (seconds) of the fluid (paste) to be measured, namely 'T1', is measured by a manual support and a stopwatch. 2. The method comprises the steps of setting an upper limit value and a lower limit value of weight on an electronic scale, automatically taking a paste sample from a stirring barrel by a pump, conveying the paste sample into a viscometer bracket, measuring the weight of liquid by a sensor, giving a timing signal to a timer by a PLC when part of paste flows out and the weight reaches the upper limit value, and stopping timing when the paste does not flow out and the weight reaches the lower limit value. The time taken for the weight of the paste to flow from the "upper limit value" to the "lower limit value" was "T2". 3. Comparing the values of the T1 and the T2, then setting a proportionality coefficient on a computer, displaying the time T and the T1 on a display screen after conversion, wherein the viscosity obtained by the on-line viscometer side is equal to the value (seconds) measured by a manual bracket, and finally realizing the real-time detection of the viscosity in the one-step paste making process.

The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. The utility model provides a thermostatic type viscometer, includes casing (1), and first (2) of casing are cylinder, casing lower half (3) and are the cone, and the bottom of the lower half cone of casing is equipped with round hole (6), and the bottom of casing is equipped with support (7), and the bottom of support is equipped with weighing transducer (8), and the top of casing is equipped with lid (9), be equipped with feed inlet and inlet port on lid (9), its characterized in that, be equipped with heat transfer passageway (11) in casing (1), the entry of heat transfer passageway (11) is connected with the output of outside heat pump equipment (10), the export of heat transfer passageway (11) is connected with the input of outside heat pump equipment (10).

2. Thermostatic viscometer according to claim 1, characterized in that the heat exchange channels (11) are helical heat exchange channels.

3. Thermostatic viscometer according to claim 2, characterized in that the heat exchange channel (11) is a spiral heat exchange channel opening in the outer wall of the housing (1).

4. Thermostatic viscometer according to claim 2, characterized in that the pitch of the heat exchange channels (11) is uniform.

5. Thermostatic viscometer according to claim 2, characterized in that the diameter of the heat exchange channels (11) is uniform and the diameter of the heat exchange channels (11) is smaller than the wall thickness of the housing (1).

6. Thermostatic viscometer according to claim 1, characterized in that the heat exchange channels (11) and the housing (1) are both rigid metals.

7. Thermostatic viscometer according to claim 1, characterized in that the external heat pump device (10) comprises a compressor, a condenser, an evaporator, a four-way reversing valve, a throttle valve.

8. Thermostatic viscometer according to claim 1, characterised in that the heat exchange channels (11) are filled with a refrigerant.

9. Thermostatic viscometer according to claim 1, characterized in that the heat exchange channel (11) is provided with a temperature sensor, which is electrically connected to an external computer terminal.

10. Thermostatic viscometer according to claim 1, characterised in that the heat exchange channels (11) are provided in the inner wall of the upper housing half (2).