CN111750171A - Valve box for heating and insulating multi-way valve head - Google Patents
Valve box for heating and insulating multi-way valve head Download PDFInfo
- Publication number
- CN111750171A CN111750171A CN202010747139.8A CN202010747139A CN111750171A CN 111750171 A CN111750171 A CN 111750171A CN 202010747139 A CN202010747139 A CN 202010747139A CN 111750171 A CN111750171 A CN 111750171A
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- China
- Prior art keywords
- valve
- heat
- conducting block
- valve head
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/161—Housings for valves, tee pieces, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a valve box for heating and insulating a multi-way valve head, which comprises: the box cover is arranged on the box body, the upper surface of the box body is sunken downwards to form a cavity, a joint is arranged on the side wall of the box body in a penetrating mode through the cavity, a heating element, a heat conducting block and a valve head are arranged inside the cavity, the heat conducting block is supported at the bottom of the cavity in a heat insulating mode, the heating element is arranged inside the heat conducting block, the valve head is in full contact with the heat conducting block, and the valve head is connected with an external device through the joint. The valve box for heating and insulating the valve head of the multi-way valve has the advantages of accurate temperature control, convenient installation and good heat insulation effect.
Description
Technical Field
The invention relates to the technical field of environmental air analysis pretreatment, in particular to a valve box for heating and insulating a multi-way valve head, which has the advantages of accurate temperature control, convenience in installation and good heat insulation effect.
Background
1. When analyzing ambient air, the gases need to be enriched and analyzed by a pretreatment device. When gas is heated and analyzed by the cold trap, the gas enters the valve box, a multi-way valve is arranged in the valve box, and the gas path is switched by the multi-way valve. In the process, high temperature needs to be kept, gas in the pipeline is prevented from being adsorbed on the pipeline when meeting cold, so that the valve head part of the multi-way valve needs to be heated and controlled in temperature, and the analyzed gas can completely enter an analysis instrument for testing.
2. At present, the common valve box heating mode is to fix the valve head on the heat conducting block and heat and preserve heat of the pipeline through the closed high-temperature cavity. Firstly, because the heat conducting block is tightly attached to the box body, the heat transfer speed between metals is high, and heat can be dissipated out of the box body; secondly, the valve box has narrow inner space, and the pipeline is inconvenient to operate when being bent and disassembled.
Therefore, a valve box for heating and insulating the valve heads of the multi-way valve, which has the advantages of accurate temperature control, convenient installation and good heat insulation effect, is needed.
Disclosure of Invention
The invention aims to provide a valve box for heating and insulating the valve heads of a multi-way valve, which has the advantages of accurate temperature control, convenient installation and good heat insulation effect.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: there is provided a valve manifold for heating and insulating a multi-ported valve head, the valve manifold comprising: the box cover is arranged on the box body, the upper surface of the box body is sunken downwards to form a cavity, a joint is arranged on the side wall of the box body in a penetrating mode through the cavity, a heating element, a heat conducting block and a valve head are arranged inside the cavity, the heat conducting block is supported at the bottom of the cavity in a heat insulating mode, the heating element is arranged inside the heat conducting block, the valve head is in full contact with the heat conducting block, and the valve head is connected with an external device through the joint.
The side wall of the box body comprises a metal outer layer, a heat preservation middle layer and a metal inner layer, wherein the heat preservation middle layer is embedded between the metal outer layer and the metal inner layer.
The heat conducting block is of a plate-shaped structure with a certain thickness, an accommodating groove for the heating element to enter is formed in the side face of the heat conducting block, and the heating element is accommodated in the accommodating groove.
The heat-conducting block is fixed on the bottom of the cavity through the nut column in a supporting mode.
The upper surface of the heat conducting block is provided with a circular through groove, the shape of the circular through groove is set to be suitable for the valve head to be placed, and the valve head is limited in the circular through groove.
The temperature sensor is characterized by further comprising a temperature sensor, a fixing hole for fixing a probe of the temperature sensor is formed in the heat conducting block, and the probe of the temperature sensor is arranged in the fixing hole and used for detecting the temperature information of the heat conducting block in real time.
The outer wall of the metal layer is welded with a fixing support, and the valve box is fixed to an external object through the fixing support.
Compared with the prior art, in the valve box for heating and heat preservation of the multi-way valve head, the heating element, the heat-conducting block and the valve head are arranged in the cavity, the heat-conducting block is supported at the bottom of the cavity in a heat-insulating way, the heating element is arranged in the heat-conducting block, the valve head is fully contacted with the heat-conducting block, and the valve head is connected with an external device through the connector. Therefore, the heat conduction block is not directly contacted with the box body, so that heat on the heat conduction block is greatly reduced to be conducted with the box body, and energy loss is reduced.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.
Drawings
FIG. 1 is a schematic view of one embodiment of the valve manifold of the present invention for multi-way valve head heating and thermal insulating.
Fig. 2 shows an exploded view of the valve box shown in fig. 1.
Fig. 3 is a plan view of the valve housing shown in fig. 1 with the cover open. Fig. 4 shows a cross-sectional view of the valve housing.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements. As described above with reference to fig. 1, 2, 3 and 4, an embodiment of the present invention provides a valve box 100 for heating and insulating a multi-way valve head, where the valve box 100 includes: the valve box 100 comprises a box cover 1 and a box body 2, wherein the box cover 1 is arranged on the box body 2 in a covering mode, when the box cover 1 is arranged on the box body 2 in a covering mode, the whole valve box 100 is in a sealing state, and the box cover 1 can also be designed into a box cover with a heat insulation structure. The upper surface of the box body 2 is sunken downwards to form a cavity 3, a connector 4 is arranged on the side wall of the box body 2 penetrating through the cavity 3, a heating element 5, a heat conducting block 6 and a valve head 7 (the mark of the valve head is shown in figures 3 and 4) are arranged inside the cavity 3, the heat conducting block 6 is supported at the bottom of the cavity 3 in a heat insulation manner, the heating element 5 is arranged inside the heat conducting block 6, the valve head 7 is in full contact with the heat conducting block 6, and the valve head 7 is connected with an external device through the connector 4. In this embodiment, the heat conduction block 6 is used to uniformly distribute the heat generated by the heating element 5 on the heat conduction block 6, and then heat is supplied to the valve head 7 from the heat conduction block 6, so as to ensure that the temperature of the valve head 7 is in a predetermined high temperature state, and prevent the VOC passing through the interior of the valve head 7 from being adsorbed on the valve head 7 or the pipeline when encountering cold. Therefore, the heat conducting block 6 may be a metal structure with good heat conductivity, and since the heat conducting block 6 is a metal structure with good heat conductivity, the heat on the heat conducting block 6 is easily transferred to other objects, so it is necessary to reduce the heat on the heat conducting block 6 as much as possible, and the heat is transferred to the outside of the valve box 100, which causes unnecessary energy loss. In the technical solution provided by the embodiment of the present disclosure, the heat conducting block 6 is supported at the bottom of the cavity 3 in a heat insulating manner, so as to prevent the heat conducting block 6 from directly contacting with the bottom of the cavity 3, and prevent the heat carried by the heat conducting block 6 from being directly conducted to the material at the bottom of the cavity 3, thereby achieving a better heat insulating effect, avoiding too fast energy dissipation, and well saving energy and reducing energy consumption.
In one embodiment, referring to fig. 2, the sidewall of the box body 2 comprises a metal outer layer 21, a heat insulating intermediate layer 22 and a metal inner layer 23, wherein the heat insulating intermediate layer 22 is embedded between the metal outer layer 21 and the metal inner layer 23. In this embodiment, the cavity 3 is substantially a spatial structure inside the metal inner layer 23, and the heat-insulating intermediate layer 22 is a heat-insulating material structure, so that heat conduction between heat in the metal inner layer 23 and the metal outer layer 21 can be reduced to the maximum extent, and the obtained effect is also that energy dissipation can be prevented from being too fast, so that energy is saved well, and energy consumption is reduced.
In one embodiment, referring to fig. 2, the heat conducting block 6 is a plate-shaped structure with a certain thickness, and a side surface of the heat conducting block 6 is provided with a receiving groove (not shown) for receiving the heating element 5, and the heating element 5 is received in the receiving groove. As shown in fig. 2, the heating element 5 has a rod-shaped structure, a circular accommodating groove is formed in a side surface of the heat conducting block 6, the heating element 5 is inserted into the accommodating groove for installation, an outer surface of the heating element 5 is in good contact with an inner surface of the accommodating groove as much as possible, heat generated by the heating element 5 is dissipated to the heat conducting block 6, and the heat conducting block 6 is a metal block with good heat conducting property and can uniformly distribute the heat generated by the heating element 5 to the heat conducting block 6.
In one embodiment, a heat insulation pad (not shown) is disposed between the heat conduction block 6 and the bottom of the cavity 3, a plurality of nut posts 8 are connected to the bottom of the cavity 3, and the heat conduction block 6 is supported and fixed to the bottom of the cavity 3 through the nut posts 8. In this embodiment, referring to fig. 2, the cavity 3 is a space structure inside the metal inner layer 23, the space structure inside the metal inner layer 23 is a rectangular space structure, a heat insulation pad is disposed between the heat conduction block 6 and the bottom of the cavity 3, and in fact, a heat insulation pad is disposed between the heat conduction block 6 and the bottom of the metal inner layer 23, so that double-layer heat preservation and heat insulation are formed by the heat insulation pad and the heat preservation middle layer 22, and the heat insulation and heat preservation effect is further enhanced.
In one embodiment, referring to fig. 2 and 4, the upper surface of the heat conduction block 6 further has a circular through slot 9, the circular through slot 9 is shaped to fit the shape of the valve head 7, and the valve head 7 is limited inside the circular through slot 9. One of the functions of the circular through slot 9 is to make the valve head 7 better contact with the heat conduction block 6; in addition, with reference to fig. 4, the drive shaft 10 of the multi-way valve needs to pass through the circular through slot 9 to be connected with the valve head 7. The drive shaft 10 of the multi-way valve enters from below the through groove 9 and is connected to the valve head 7. In order to enable the driving shaft 10 of the multi-way valve to pass through the circular through groove 9 and be connected with the valve head 7, correspondingly, the metal outer layer 21, the heat preservation intermediate layer 22 and the metal inner layer 23 are all provided with through grooves through which the driving shaft 10 of the multi-way valve passes, and the driving shaft 10 of the multi-way valve is connected with the valve head 7 and is used for switching channels.
In one embodiment, referring to fig. 2, the thermal conduction block 6 further includes a temperature sensor (not shown), a fixing hole for fixing a probe 11 of the temperature sensor is further formed inside the thermal conduction block 6, and the probe 11 of the temperature sensor is disposed in the fixing hole to detect temperature information of the thermal conduction block 6 in real time. In this embodiment, the information of the temperature detected by the probe 11 of the temperature sensor is regarded as the temperature information of the heat conducting block 6, a display module for displaying the temperature information may be disposed on the case cover 1 or the case body 2 of the valve case 100, and the user may observe the temperature information of the heat conducting block 6 inside the valve case 100 in real time.
In one embodiment, referring to fig. 1 or 3, the outer wall of the metal outer layer 21 is further welded with a fixing bracket 12, and the valve housing 100 is fixed to an external object through the fixing bracket 12.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (7)
1. A valve manifold for heating and insulating a multi-ported valve head, the manifold comprising: the box cover is arranged on the box body, the upper surface of the box body is sunken downwards to form a cavity, a joint is arranged on the side wall of the box body in a penetrating mode through the cavity, a heating element, a heat conducting block and a valve head are arranged inside the cavity, the heat conducting block is supported at the bottom of the cavity in a heat insulating mode, the heating element is arranged inside the heat conducting block, the valve head is in full contact with the heat conducting block, and the valve head is connected with an external device through the joint.
2. The valve manifold for heating and insulating the heads of a multi-way valve of claim 1, wherein the side walls of the manifold body comprise an outer metal layer, an insulating intermediate layer and an inner metal layer, the insulating intermediate layer being embedded between the outer metal layer and the inner metal layer.
3. The valve housing for heating and maintaining the temperature of a multi-way valve head of claim 1, wherein the heat-conducting block is a plate-shaped structure having a certain thickness, and a receiving groove for the heating element to enter is formed in a side surface of the heat-conducting block, and the heating element is received in the receiving groove.
4. The valve box for heating and maintaining the temperature of a multi-way valve head of claim 1, wherein a heat insulating pad is disposed between the heat conducting block and the bottom of the cavity, and a plurality of nut posts are connected to the bottom of the cavity, and the heat conducting block is supported and fixed to the bottom of the cavity through the nut posts.
5. The valve box for heating and maintaining the temperature of the valve head of the multi-way valve according to claim 1, wherein the upper surface of the heat conducting block is provided with a circular through groove, the shape of the circular through groove is set to be suitable for the placement of the valve head, and the valve head is limited in the circular through groove.
6. The valve box for heating and insulating the valve head of the multi-way valve according to claim 1, further comprising a temperature sensor, wherein a fixing hole for fixing a probe of the temperature sensor is further formed in the heat-conducting block, and the probe of the temperature sensor is arranged in the fixing hole to detect the temperature information of the heat-conducting block in real time.
7. The valve manifold for heating and maintaining the temperature of the heads of multi-way valves according to claim 2, characterized in that the outer wall of said metal outer layer is further welded with fixing brackets by which said valve manifold is fixed to external objects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747139.8A CN111750171A (en) | 2020-07-29 | 2020-07-29 | Valve box for heating and insulating multi-way valve head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747139.8A CN111750171A (en) | 2020-07-29 | 2020-07-29 | Valve box for heating and insulating multi-way valve head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111750171A true CN111750171A (en) | 2020-10-09 |
Family
ID=72712294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010747139.8A Pending CN111750171A (en) | 2020-07-29 | 2020-07-29 | Valve box for heating and insulating multi-way valve head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111750171A (en) |
-
2020
- 2020-07-29 CN CN202010747139.8A patent/CN111750171A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230816 Address after: Room 599 Yuanchuang Road, Huaqiao Town, Kunshan City, Suzhou City, Jiangsu Province, 215332 Applicant after: Jiangsu Suli Environmental Instrument Co.,Ltd. Address before: 215332 second floor, building B7 and 8, No.15 Jinyang Road, Huaqiao Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Jiangsu National Technology Instrument Co.,Ltd. |