CN211651899U - Calorimeter for heat supply pipeline - Google Patents

Abstract

The utility model provides a calorimeter for a heat supply pipeline, which belongs to the technical field of calorimeter equipment and comprises a machine body, wherein the machine body is provided with a wiring port, a display screen and a cover arranged on the display screen, an anti-interference device is arranged on one side of the machine body, which is far away from the display screen, and the anti-interference device is connected with the machine body through a locking structure; the lower end of the machine body is provided with a base, the lower end of the base is provided with a main pipeline, a connecting structure extending along the axial direction of the main pipeline is arranged in the main pipeline, and two ends of the connecting structure are provided with water temperature sensing rings; the main pipeline is provided with connecting flanges along the two axial ends, and the two connecting flanges are respectively used for being connected with a water inlet pipe and a water outlet pipe. The technical effects are as follows: the anti-interference device is arranged on the machine body, adverse effects of an external electromagnetic field on measurement data can be effectively reduced, the water temperature sensing ring is fixed inside the main pipeline through the connecting structure, the situation that the shape or the position of the water temperature sensing ring is changed by the acting force of a measured medium is avoided, and the accuracy of a measurement result is improved.

Description

Calorimeter for heat supply pipeline

Technical Field

The utility model belongs to the technical field of calorimeter equipment, more specifically say, relate to a heat supply is calorimeter for pipeline.

Background

The calorimeter is used for detecting the flow and the temperature of the liquid to be detected, and calculating the heat quantity obtained by a user from the heat exchange system through a heat quantity formula. For example, the electromagnetic flowmeter is a flowmeter for measuring the flow of a conductive medium, which is manufactured by utilizing the Faraday's law of electromagnetic induction effect, the measuring element of the electromagnetic flowmeter has a simple structure outside the pipe, is not influenced by the temperature, viscosity and density of the medium, has high sensitivity, can be used for measuring the mediums such as dirty flow, corrosive flow, fiber-containing fluid, slurry and the like, has no flow pressure loss, is a flow meter which can be applied to special occasions and can save energy, but cannot be used for measuring high-temperature media due to the limitation of lining materials of the measuring pipe and electrical insulating materials, and is easily influenced by external electromagnetic interference. For example, a flow meter that measures a flow rate of a medium by a velocity difference method has a characteristic that a high-temperature medium can be measured, but is also susceptible to external electromagnetic interference.

Most of traditional calorimeters adopt a temperature sensor to detect the temperature in a pipeline, and the heat is obtained through conversion by combining flow obtained by flowmeters with different principles. However, the calorimeter is easily interfered by signals of external environment in the using process, the measuring precision of the calorimeter in the detecting process is reduced, and the measuring effect accuracy of the temperature sensor is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calorimeter for heat supply pipeline aims at solving traditional calorimeter and receives external environment's signal interference easily in the use, has reduced the measurement accuracy of calorimeter in the testing process, and the lower technical problem of temperature sensor's measuring effect accuracy.

In order to achieve the above object, the utility model adopts the following technical scheme: the calorimeter for the heat supply pipeline comprises a machine body, wherein the machine body is provided with a wiring port, a display screen and a machine cover covering the display screen, an anti-interference device is arranged on one side of the machine body, which is far away from the display screen, and the anti-interference device is connected with the machine body through a locking structure; the water temperature sensor is characterized in that a base is arranged at the lower end of the machine body, a main pipeline is arranged at the lower end of the base, a connecting structure extending along the axial direction of the main pipeline is arranged inside the main pipeline, and water temperature sensing rings are arranged at two ends of the connecting structure; the main body pipeline all is equipped with flange along its axial both ends, two flange is used for respectively with inlet tube and outlet pipe connection.

As another embodiment of the present invention, the locking structure includes a bending plate and a plurality of fixing bolts disposed on the bending plate, the bending plate has a first connecting portion and a second connecting portion respectively connected to the anti-interference device and the body.

As another embodiment of the utility model, the main body pipeline includes from inside to outside in proper order the main part layer of establishing, heat preservation and metallic shield layer.

As another embodiment of the present invention, the machine body and the base are provided with a stand column therebetween, and the stand column and the machine body are arranged at an angle therebetween.

As another embodiment of the present invention, the base is along the axial both sides of the main body pipeline are respectively provided with an installation part, the installation part is connected with the main body pipeline through a movable bolt.

As another embodiment of the utility model, the connection structure includes a plurality of connecting rods of evenly distributed, and is a plurality of the both ends of connecting rod all with correspond the temperature sensing circle is connected, at least one the connecting rod is fixed in the inner wall of main part pipeline.

As another embodiment of the present invention, the axial middle portion of the connecting rod is fixed to the inner wall of the main body pipe, or the connecting rod is fixed to a plurality of fixing portions of the main body pipe with respect to the radial center plane symmetry of the connecting rod.

As another embodiment of the present invention, the connecting rod has a through hole, a flexible strip is inserted into the through hole, and the flexible strip winds around the water temperature sensing ring and is knotted.

As another embodiment of the present invention, the circumferential profile of the water temperature sensing ring is provided with an annular supporting frame for supporting the water temperature sensing ring.

As another embodiment of the utility model, the flange include first ring flange, with first ring flange aligns the second ring flange that sets up, locates first ring flange with sealing washer between the second ring flange, and be used for locking first ring flange with a plurality of locking bolts of second ring flange.

The utility model provides a calorimeter for heat supply pipeline has following technological effect at least: compared with the prior art, the utility model provides an among the calorimeter for the heat supply pipeline, be equipped with the interference killer on one side that the organism deviates from the display screen, can alleviate the adverse effect that external electromagnetic field brought for measured data effectively, reduce the electromagnetic interference of external electromagnetic field to electron device in the calorimeter, improve measured data's accuracy, also avoided increasing other complicated electron device and connecting wire to main part pipeline and organism, reduced to the trompil of main part pipeline and organism to establish the groove etc. as far as possible; the water temperature sensing ring can increase the measuring range and improve the accuracy of the measuring result, and the water temperature sensing ring is fixed in the main pipeline by using the connecting structure, so that the condition that the shape or the position of the water temperature sensing ring is changed by the acting force of a measured medium is avoided, and the accuracy of the measuring result of the water temperature sensing ring is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a calorimeter for a heat supply pipeline according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the calorimeter of FIG. 1 for a heat supply pipeline;

FIG. 3 is a schematic side view of the calorimeter of FIG. 1 for a heat supply pipeline;

fig. 4 is a partial schematic view of a structure a in the heat supply pipeline calorimeter shown in fig. 3.

In the figure:

100. calorimeter 110 for heat supply pipeline, machine body 112 and wiring port

114. Display 116, cover 118, screw

120. Anti-jamming device 130, locking structure 132 and bending plate

134. Fixing bolt 136, first connecting part 138 and second connecting part

140. Base 142, mounting portion 144, activity bolt

150. Main body pipeline 160, connecting structure 162 and connecting rod

170. Water temperature sensing ring 180, connecting flange 182, first flange plate

184. Second flange 186, sealing ring 188 and locking bolt

190. Upright column 200, water inlet pipe 300 and water outlet pipe

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. "plurality" means two or more.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1 to 4 together, a calorimeter 100 for a heat supply pipeline according to an embodiment of the present invention will now be described.

The embodiment of the utility model provides a calorimeter 100 for heat supply pipeline, including organism 110, organism 110 is equipped with wiring mouth 112, display screen 114 and covers the cover 116 that locates display screen 114, and organism 110 is equipped with interference eliminator 120 in the one side that deviates from display screen 114, and interference eliminator 120 is connected with organism 110 through locking structure 130; a base 140 is arranged at the lower end of the machine body 110, a main pipeline 150 is arranged at the lower end of the base 140, a connecting structure 160 extending along the axial direction of the main pipeline 150 is arranged inside the main pipeline 150, and water temperature sensing rings 170 are arranged at the two ends of the connecting structure 160; the main pipe 150 is provided with two connecting flanges 180 at both ends thereof in the axial direction, and the two connecting flanges 180 are respectively used for connecting with the water inlet pipe 200 and the water outlet pipe 300.

In the placement position shown in fig. 1, the left and right sides of the body 110 are provided with a plurality of wire connection ports 112 for assembling and connecting the measurement lines. The machine body 110 is provided with an instrument and a display screen 114 for displaying measurement data, in order to reduce pollution of external sundries to the instrument and the display screen 114 and reduce mechanical damage of the external sundries to the instrument and the display screen 114, a cover 116 is arranged outside the instrument and the display screen 114, and the cover 116 is in threaded connection with the machine body 110 through a screw 118. When the internal devices such as the meter and the display screen 114 in the machine body 110 need maintenance, the cover 116 can be separated from the machine body 110 by detaching the screw 118, which facilitates the maintenance or replacement of the internal devices.

The anti-interference device 120 is disposed on a side of the body 110 away from the display screen 114, and the anti-interference device 120 is connected to the body 110 through a locking structure 130. The anti-interference unit 120 can effectively reduce the adverse effect of the external electromagnetic field on the measurement data, reduce the electromagnetic interference of the external electromagnetic field on the electronic devices in the calorimeter, and improve the accuracy of the measurement data. Meanwhile, the anti-interference unit 120 is disposed outside the housing 110, so that the anti-interference unit 120 can be maintained or replaced in time. For example, in the embodiment of the present invention, the model of the interference rejection unit 120 is CW12B-10A30A 40A-S. Compared with other anti-interference modes, the anti-interference device 120 has high integration degree, is simpler and more convenient to install and use, can be directly installed outside the machine body 110, plays an anti-interference role, avoids adding other complex electronic devices and connecting wires to the main pipeline 150 and the machine body 110, and reduces the number of grooves formed in the holes of the main pipeline 150 and the machine body 110 as much as possible.

The main body pipe 150 is internally provided with a connecting structure 160 extending along the axial direction of the main body pipe 150, the connecting structure 160 is fixedly connected to the inner wall of the main body pipe 150, and both ends of the connecting structure 160 are provided with water temperature sensing rings 170 for detecting the temperature of the flowing front end and the flowing rear end of the measured medium. It can be appreciated that the water temperature sensing ring 170 has good water resistance. The water temperature sensing ring 170 can more accurately measure the temperature within the circumferential profile of the main pipe 150, and inaccurate measurement results obtained by a single measurement point are avoided. For example, in the embodiment of the present invention, the water temperature sensing ring 170 formed by the sensor model WZP-PT100 is a temperature sensing element made by using the characteristics of the transistor base and the emitter that the forward voltage drop varies with the temperature, and has the characteristics of good linearity, fast response, small volume and convenient use. The water temperature sensing ring 170 is arranged inside the main pipeline 150, is better than the water temperature sensing ring arranged outside the main pipeline 150, is more accurate in temperature measurement result, and can also prevent the influence on the measurement result caused by aging failure of the material of the main pipeline 150.

In addition, because the measured medium is in the mobile state in main part pipeline 150, has certain effort, changes the shape or the position of temperature sensing circle 170 easily, leads to the temperature measurement result not accurate enough, consequently, the embodiment of the utility model provides an in, utilize the distance between two fixed temperature sensing circles 170 of connection structure 160, play the effect of maintaining temperature sensing circle 170 shape or position, avoid the shape or the position of temperature sensing circle 170 to change and influence the accuracy of measurement result.

In order to further avoid the shape and the position of water temperature sensing circle 170 to change, the embodiment of the utility model provides an in, set up the external diameter of water temperature sensing circle 170 to the internal diameter that equals main part pipeline 150 for water temperature sensing circle 170 can closely laminate with main part pipeline 150, reduces rocking of water temperature sensing circle 170.

The embodiment of the utility model provides a calorimeter 100 for heat supply pipeline can adopt the principle of ultrasonic flowmeter to measure the flow of being surveyed the medium in main part pipeline 150, and the temperature data of reunion temperature sensing circle 170, the conversion obtains the heat, and at this moment, main part pipeline 150's material is even, and compactness and sound guide nature are good, and the pipe wall is smooth level and smooth, and the pipe lining is seamless with the pipeline laminating, and the installation is simple, and measurement accuracy is high to long-term operation is reliable and stable. Of course, flow meters based on other measurement principles, such as an electromagnetic flow meter, a differential pressure flow meter, etc., may also adopt the arrangement modes of the anti-interference device 120, the connection structure 160, the water temperature sensing ring 170, etc. in the present technical solution. When the calorimeter 100 for the heat supply pipeline is installed, the two connecting flanges 180 are respectively connected with the water inlet pipe 200 and the water outlet pipe 300 in a sealing manner.

The embodiment of the utility model provides a calorimeter 100 for heat supply pipeline has following technological effect at least: compared with the prior art, in the calorimeter 100 for the heat supply pipeline provided by the embodiment of the utility model, the anti-interference device 120 is arranged on one side of the body 110 departing from the display screen 114, so that the adverse effect of the external electromagnetic field on the measurement data can be effectively reduced, the electromagnetic interference of the external electromagnetic field on the electronic devices in the calorimeter is reduced, the accuracy of the measurement data is improved, other complex electronic devices and connecting wires are prevented from being added to the main pipeline 150 and the body 110, and the grooves and the like arranged on the open holes of the main pipeline 150 and the body 110 are reduced as much as possible; the water temperature sensing ring 170 can increase the measuring range and improve the accuracy of the measuring result, the connecting structure 160 is utilized to fix the water temperature sensing ring 170 in the main body pipeline 150, the situation that the shape or the position of the water temperature sensing ring 170 is changed by the acting force of the measured medium is avoided, and the accuracy of the measuring result of the water temperature sensing ring 170 is improved.

Referring to fig. 3 and fig. 4, as a specific implementation manner of the embodiment of the present invention, the locking structure 130 includes a bending plate 132, and a plurality of fixing bolts 134 disposed on the bending plate 132, and the bending plate 132 has a first connecting portion 136 and a second connecting portion 138 respectively connected to the anti-jammer 120 and the machine body 110. In this embodiment, the first connecting portion 136 and the second connecting portion 138 are integrally formed and in a vertical state. The first connecting portion 136 is connected to the anti-interference unit 120 through the fixing bolt 134, and the second connecting portion 138 is connected to the body 110 through the fixing bolt 134, so as to form a detachable installation manner, thereby facilitating replacement or maintenance of the anti-interference unit 120.

As a specific embodiment of the utility model, the main body pipeline 150 includes from inside to outside main body layer, heat preservation and the metallic shield layer of establishing of overlapping in proper order. The main body layer is used for forming a pipeline through which a measured medium flows, the heat insulation layer can play a heat insulation effect on the measured medium flowing through the main body pipeline 150, the metal shielding layer can reduce the influence of an external electromagnetic field on measured data, and the electromagnetic influence on an electronic device is reduced.

Referring to fig. 1, as a specific implementation manner of the embodiment of the present invention, a column 190 is disposed between the body 110 and the base 140, and the column 190 is disposed at an angle to the body 110. Specifically, the upright column 190 is vertically arranged at the upper end of the base 140 and angularly arranged at the lower end of the machine body 110, and the upright column 190, the base 140 and the machine body 110 can be fixed in a welding mode, so that the connection is tighter, the maintenance is easy, the use is flexible, the cost can be reduced, the connection quality is improved, and the connection stability and reliability are improved. The post 190 may increase the height of the body 110 to facilitate an operator or to operate the instrument and view the display data on the display screen 114. Meanwhile, the occupied space can be reduced, and the used materials are reduced. In this embodiment, be the angle setting between stand 190 and the organism 110 for also be the angle setting between stand 190 and cover 116, the display screen 114, be convenient for operating personnel or user operation instrument and observe the display data of display screen 114, increase the comfort of operation and observation. For example, the vertical column 190 forms an angle of 75 degrees with the body 110, and forms an angle of 105 degrees when viewed from another angle, and the vertical column 190 also forms an angle of 75 degrees with the cover 116 and the display screen 114.

Referring to fig. 1, as a specific implementation manner of the embodiment of the present invention, the base 140 is respectively provided with mounting portions 142 along two axial sides of the main pipe 150, and the mounting portions 142 are connected to the main pipe 150 through movable bolts 144. The surface of the mounting portion 142 is tightly attached to the surface of the main pipe 150 and is locked by the movable bolt 144 to form a detachable mounting manner, which is convenient for detachment, replacement or maintenance when the main pipe 150, the base 140, the body 110 and other structures are damaged by machinery or electronic devices.

Referring to fig. 1, as a specific implementation manner of the embodiment of the present invention, the connection structure 160 includes a plurality of connection rods 162 that are uniformly distributed, two ends of the plurality of connection rods 162 are connected to corresponding water temperature sensing rings 170, and at least one connection rod 162 is fixed on an inner wall of the main pipeline 150. Specifically, the plurality of connecting rods 162 are uniformly distributed relative to the circumferential profile of the water temperature sensing ring 170, so as to ensure the stress balance of the water temperature sensing ring 170 and ensure that the shape and the position of the water temperature sensing ring 170 are not changed. For example, as shown in fig. 1, the connection structure 160 includes two connection rods 162, and the water temperature sensing rings 170 are connected to the left and right sides of the connection rods 162, respectively. At least one connection bar 162 is fixed to the inner wall of the main body duct 150 to ensure positional stability and reliability of the entire connection structure 160. For example, the rod body of the connecting rod 162 is fixed to the inner wall of the main pipe 150 through a connecting block, which may be welded, adhered, clamped, screwed, or the like.

Further, an axial middle portion of the connection rod 162 is fixed to an inner wall of the main body duct 150, or a plurality of fixing places where the connection rod 162 is fixed to the main body duct 150 are symmetrical with respect to a radial center plane of the connection rod 162. A radially central plane is understood to be a radial plane perpendicular to the axial middle. So set up for the even atress of connecting rod 162, and then make the even atress of two temperature sensing rings 170, improved the structural stability and the reliability of connecting rod 162 and temperature sensing ring 170.

Further, the connecting rod 162 is provided with a through hole, a flexible strip is arranged in the through hole in a penetrating manner, and the flexible strip is wound around the water temperature sensing ring 170 and knotted. The flexible strip is wound on the connecting rod 162 and the water temperature sensing ring 170 and is knotted and locked, so that the connecting rod 162 and the water temperature sensing ring 170 can be locked, and the connection reliability of the connecting rod 162 and the water temperature sensing ring 170 is guaranteed. In addition, the connecting rod 162 and the water temperature sensing ring 170 can be connected in a welding mode, a bonding mode, a clamping mode and the like, meanwhile, the connecting rod 162 and the water temperature sensing ring 170 can be connected in an auxiliary mode in a flexible strip locking mode, and the connection reliability of the connecting rod 162 and the water temperature sensing ring 170 is improved.

As a specific implementation manner of the embodiment of the present invention, the circumferential profile of the water temperature sensing ring 170 is provided with an annular supporting frame for supporting the water temperature sensing ring 170. Because the measured medium in the main pipeline 150 is in a flowing state and has a certain acting force, the shape or position of the water temperature sensing ring 170 is easy to change, and the temperature measurement result is not accurate enough, therefore, in the embodiment, the annular support frame for supporting the water temperature sensing ring 170 is arranged along the circumferential profile of the water temperature sensing ring 170, and has a certain strength, so that the acting force generated by the flowing of the measured medium can be overcome, the shape of the water temperature sensing ring 170 is ensured not to change, the detection position of the water temperature sensing ring 170 is ensured not to change, and the more accurate temperature measurement result is further ensured.

In addition, the annular support frame can be connected to the inner wall of the main pipeline 150 by welding, bonding, clamping and the like, and can also be tightly attached to the inner wall of the main pipeline 150 by adopting a size tight fit mode. The annular support frame can be connected to the connecting rod 162 in a welding, bonding, clamping and flexible strip locking manner. The connection mode of the annular support frame is not limited.

Referring to fig. 1 and 2, as a specific implementation manner of the embodiment of the present invention, the connecting flange 180 includes a first flange plate 182, a second flange plate 184 aligned with the first flange plate 182, a sealing ring 186 disposed between the first flange plate 182 and the second flange plate 184, and a plurality of locking bolts 188 for locking the first flange plate 182 and the second flange plate 184. The connecting flange 180 is used for connecting the water inlet pipe 200 and the water outlet pipe 300 with the main pipeline 150 in a sealing manner, and has the advantages of high bonding strength, convenience in disassembly, convenience in processing and use and capability of bearing larger pressure. The sealing ring 186 increases the tightness of the combination of the first flange 182 and the second flange 184, and improves the reliability of the connection between the water inlet pipe 200 and the water outlet pipe 300 and the main pipeline 150. In a specific installation process, the first flange 182 and the second flange 184 are required to be parallel, so that the sealing surfaces of the first flange 182 and the second flange 184 cannot be damaged and the surfaces are clean. Taking the water inlet pipe 200 as an example, the centers of the water inlet pipe 200, the first flange 182 and the second flange 184 are in the same horizontal line, the center line of the water inlet pipe 200 is perpendicular to the sealing surfaces of the first flange 182 and the second flange 184, and the sealing ring 186 is selected according to the type of the first flange 182 and the second flange 184 and other design specifications.

When the calorimeter 100 for a heat supply pipeline is used, firstly, whether or not the devices constituting the calorimeter are complete are damaged is checked, the central line of the connecting flange 180 and the central lines of the water inlet pipe 200 and the water outlet pipe 300 are positioned at the same horizontal line, and the positions of the first flange plate 182, the second flange plate 184 and the locking bolt 188 are correspondingly consistent. The same sealing ring 186 should be selected for the same pressure connecting flange 180 in the same pipe for the convenience of interchange. For example, the seal 186 for the water line should be selected from a rubber sheet, and the seal 186 should be selected as close to the small width as possible, with the proviso that it will not crush. Secondly, whether the specifications of the first flange plate 182, the second flange plate 184, the locking bolt 188 and the sealing ring 186 meet the requirements or not is checked, the sealing surface needs to be kept smooth and tidy, burrs cannot be generated, the thread of the locking bolt 188 needs to be complete, the locking bolt cannot be damaged, the embedding needs to be natural, the texture of the sealing ring 186 needs to be soft and not easy to age, the surface does not have the defects of breakage, wrinkles, scratches and the like, and the sealing ring is cleaned before assembly. When the water inlet pipe is installed, the sealing surface of the connecting flange 180 is perpendicular to the center lines of the water inlet pipe 200 and the water outlet pipe 300, and the installation directions of bolts with the same specification are consistent. Finally, whether the machine body 110 and the cover 116 are tightly connected or not and whether the water temperature sensing ring 170 is tightly attached to the main pipeline 150 or not are checked, and after the check is finished, wiring is conducted on the wiring port 112 according to requirements, so that the whole installation work is finished.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The calorimeter for the heat supply pipeline comprises a machine body and is characterized in that,

the machine body is provided with a wiring port, a display screen and a machine cover covering the display screen, an anti-jamming device is arranged on one side of the machine body, which is far away from the display screen, and the anti-jamming device is connected with the machine body through a locking structure;

the water temperature sensor is characterized in that a base is arranged at the lower end of the machine body, a main pipeline is arranged at the lower end of the base, a connecting structure extending along the axial direction of the main pipeline is arranged inside the main pipeline, and water temperature sensing rings are arranged at two ends of the connecting structure;

the main body pipeline all is equipped with flange along its axial both ends, two flange is used for respectively with inlet tube and outlet pipe connection.

2. The calorimeter of claim 1, wherein the locking structure comprises a bent plate and a plurality of fixing pins disposed on the bent plate, and the bent plate has a first connecting portion and a second connecting portion connected to the interference suppressor and the machine body, respectively.

3. The calorimeter of claim 1, wherein the main pipe comprises a main layer, an insulating layer and a metal shielding layer which are sequentially sleeved from inside to outside.

4. The calorimeter of claim 1, wherein a post is disposed between the body and the base, the post being disposed at an angle to the body.

5. The calorimeter of claim 1, wherein the base is provided with mounting portions along both axial sides of the main body pipe, and the mounting portions are connected to the main body pipe by movable bolts.

6. The calorimeter of claim 1, wherein the connecting structure comprises a plurality of connecting rods uniformly distributed, both ends of each of the plurality of connecting rods are connected to the corresponding water temperature sensing coils, and at least one of the connecting rods is fixed to the inner wall of the main pipe.

7. The calorimeter of claim 6, wherein the connecting rod is fixed to the inner wall of the main pipe at an axially intermediate portion thereof, or wherein the plurality of fixing points at which the connecting rod is fixed to the main pipe are symmetrical about the radial center plane of the connecting rod.

8. The calorimeter of claim 6, wherein the connecting rod is provided with a through hole, a flexible strip is arranged in the through hole in a penetrating manner, and the flexible strip is wound around the water temperature sensing ring and knotted.

9. The calorimeter of claim 1, wherein the circumferential profile of the water temperature sensing collar is provided with an annular support frame for supporting the water temperature sensing collar.

10. The calorimeter of claim 1, wherein the attachment flange comprises a first flange, a second flange aligned with the first flange, a gasket disposed between the first flange and the second flange, and a plurality of locking bolts for locking the first flange to the second flange.

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