CN211038813U - Intercooler temperature control device that development efficiency is high - Google Patents

Intercooler temperature control device that development efficiency is high Download PDF

Info

Publication number
CN211038813U
CN211038813U CN201921706854.6U CN201921706854U CN211038813U CN 211038813 U CN211038813 U CN 211038813U CN 201921706854 U CN201921706854 U CN 201921706854U CN 211038813 U CN211038813 U CN 211038813U
Authority
CN
China
Prior art keywords
connecting pipe
fixedly connected
pipe
temperature control
control device
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.)
Expired - Fee Related
Application number
CN201921706854.6U
Other languages
Chinese (zh)
Inventor
王朝辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Kangchen Power Technology Co ltd
Original Assignee
Shaanxi Kangchen Power Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi Kangchen Power Technology Co ltd filed Critical Shaanxi Kangchen Power Technology Co ltd
Priority to CN201921706854.6U priority Critical patent/CN211038813U/en
Application granted granted Critical
Publication of CN211038813U publication Critical patent/CN211038813U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model relates to a temperature control technical field, and an intercooler temperature control device that development efficiency is high is disclosed, including closed coolant tank, heat exchanger and the control unit, closed coolant tank's lower lateral wall fixedly connected with sprays the inlet tube and sprays the outlet pipe, the fixed intercommunication of lower extreme that sprays the inlet tube and spray the outlet pipe has the proportional valve, the fixed intercommunication of water inlet of proportional valve has last connecting pipe, it has lower connecting pipe with the fixed intercommunication of the one end of keeping away from the proportional valve to go up the connecting pipe, the one end and the fixed intercommunication of heat exchanger of last connecting pipe are kept away from to lower connecting pipe, the fixed intercommunication of heat exchanger's lateral wall has cooling cycle inlet tube and cooling. The utility model discloses practiced thrift operation workman's operating time, improved operation workman's work efficiency and effectual impurity of having avoided can lead to the problem that pipeline blockage and cooling tank internal cooling and heating effect descend.

Description

Intercooler temperature control device that development efficiency is high
Technical Field
The utility model relates to a temperature control technical field especially relates to an intercooler temperature control device that development efficiency is high.
Background
The excellent degree of the dynamic property and the economical efficiency of the engine is closely related to the performance parameters of all parts of the engine, an intercooling simulator system is one of important systems supporting the normal operation of the supercharged engine, the temperature control of an intercooler directly influences the dynamic property of the engine, the working condition of the engine is changed constantly in the development and test process of the engine, and the intercooling simulator is required to meet the temperature control under different working conditions of the engine according to different working conditions of the engine, so that the accuracy of the calibration data of the engine is ensured, and the dynamic property and the economical efficiency of the transmitter are effectively improved.
In a developed efficient intercooler temperature control device proposed in patent publication No. CN 206054091U, a closed cooling water tank is used for accommodating an intercooler, and the closed cooling water tank is filled with cooling liquid; the spraying water inlet is connected with the closed cooling water tank, and the integrated spray head extends into the closed cooling water tank. This intercooler temperature control device that development efficiency is high, intercooler temperature control device and system, it is with low costs, the commonality can be good, the cold and hot cyclic utilization in turn of coolant liquid in this patent, it is long-lived, inner walls such as coolant tank, heat exchanger have impurity to produce, impurity can lead to pipeline blocking and the cooling tank internal cooling and heating effect to descend.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the cooling liquid cold and hot cyclic utilization in turn among the prior art, it is long-time, inner walls such as coolant tank, heat exchanger have impurity to produce, and impurity can lead to the problem that pipeline blocking and cooling tank internal cooling and heating effect descend, and the intercooler temperature control device that development efficiency is high that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intercooler temperature control device with high development efficiency comprises a closed cooling water tank, a heat exchanger and a control unit, wherein a lower side wall of the closed cooling water tank is fixedly connected with a spray water inlet pipe and a spray water drain pipe, the lower ends of the spray water inlet pipe and the spray water drain pipe are fixedly communicated with a proportional valve, a water inlet of the proportional valve is fixedly communicated with an upper connecting pipe, the upper connecting pipe is fixedly communicated with one end far away from the proportional valve to form a lower connecting pipe, one end far away from the upper connecting pipe of the lower connecting pipe is fixedly communicated with the heat exchanger, the side wall of the heat exchanger is fixedly communicated with a cooling circulation water inlet pipe and a cooling circulation water outlet pipe, the side wall of the heat exchanger is fixedly communicated with a spray water outlet pipe, the spray water outlet pipe is fixedly communicated with the closed cooling water tank, the control unit is electrically connected with the proportional valve and, the two corresponding fixed blocks are clamped together through a connecting mechanism;
coupling mechanism includes joint last clamp and lower clamp outside the fixed block, go up the clamp and rotate the connection through the pivot with lower clamp, go up the equal fixedly connected with fixed plate of one end that the pivot was kept away from to clamp and lower clamp, two the spread groove has all been seted up to the lateral wall of fixed plate, two the joint has same worker type piece in the spread groove, two jacks have been seted up with the equal symmetry of lower terminal surface to the up end of worker type piece, two all pegged graft in the jack and have the fixed pin, the upper end fixedly connected with arm-tie of fixed pin, the same root cover of fixedly connected with is established the spring outside the fixed pin between arm-tie and the fixed plate, two the fixed plate is close to the surface of worker type piece up end and terminal surface down and all seted up with.
Preferably, it has filtering mechanism to go up the connecting pipe and be connected with in the connecting pipe down, filtering mechanism includes the annular fixture block of fixed connection connecting pipe inner wall under, two draw-in grooves have been seted up to the lateral wall symmetry of annular fixture block, two equal joint has the fixture block, two in the draw-in groove the equal fixedly connected with connecting plate of lateral wall of fixture block, two the same filter screen of one side fixedly connected with in opposite directions of connecting plate, the inner wall symmetry fixedly connected with and the corresponding stopper of connecting plate of last connecting pipe.
Preferably, the lateral wall fixedly connected with sealing washer of lower connecting pipe, the lateral wall of going up the connecting pipe is seted up with sealing washer assorted seal groove.
Preferably, the side wall of the lower connecting pipe is fixedly connected with a guide block, and the side wall of the upper connecting pipe is provided with a guide groove matched with the guide block.
Preferably, the lateral wall of lower connecting pipe is fixed to be communicated with the rivers sensor, the lateral wall fixedly connected with P L C controller, bee calling organ, L ED lamp of lower connecting pipe, rivers sensor, P L C controller, bee calling organ and L ED lamp all electric connection.
Preferably, the side walls of the upper connecting pipe and the lower connecting pipe are fixedly connected with control valves.
Compared with the prior art, the utility model provides an intercooler temperature control device that development efficiency is high possesses following beneficial effect:
1. this intercooler temperature control device that development efficiency is high through setting up coupling mechanism, and connecting pipe and lower connecting pipe are gone up in connection and the grafting that can be convenient fast, have practiced thrift operation workman's time, have improved operation workman's work efficiency.
2. This intercooler temperature control device that development efficiency is high through setting up filtering mechanism, can filter the impurity in the coolant liquid, and the effectual impurity of having avoided can lead to the problem that pipeline blockked up and cooling tank internal cooling and heating effect descend.
And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses practiced thrift operation workman's operating time, improved operation workman's work efficiency and effectually avoided impurity can lead to the problem that pipeline blockage and cooling tank internal cooling and heating effect descend.
Drawings
Fig. 1 is a schematic structural diagram of an intercooler temperature control device with high development efficiency provided by the present invention;
FIG. 2 is a schematic diagram showing a relationship between positions of an upper connection pipe and a lower connection pipe in an intercooler temperature control device with high development efficiency;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion C of FIG. 3;
FIG. 5 is a schematic diagram of a filter mechanism in an intercooler temperature control device with high development efficiency;
FIG. 6 is an enlarged view of portion B of FIG. 5;
fig. 7 is a schematic view of a connection mechanism in an intercooler temperature control device with high development efficiency.
In the figure, 1 a closed cooling water tank, 2 a heat exchanger, 3 a control unit, 4 spray water inlet pipes, 5 spray water outlet pipes, 6 a proportional valve, 7 upper connecting pipes, 8 lower connecting pipes, 9 cooling circulation water inlet pipes, 10 cooling circulation water outlet pipes, 11 spray water outlet pipes, 12 fixed blocks, 13 connecting mechanisms, 131 upper clamping bands, 132 lower clamping bands, 133 fixed plates, 134 connecting grooves, 135I-shaped blocks, 136 jacks, 137 fixed pins, 138 pulling plates, 139 springs, 1310 fixed grooves, 14 filtering mechanisms, 141 annular clamping blocks, 142 clamping grooves, 143 clamping blocks, 144 connecting plates, 145 filtering screens, 146 limited blocks, 15 sealing rings, 16 sealing grooves, 17 guide blocks, 18 guide grooves, 19 water flow sensors, 20P L C controllers, 21 buzzers, 22L ED and 23 control valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-7, an intercooler temperature control device with high development efficiency comprises a closed cooling water tank 1, a heat exchanger 2 and a control unit 3, wherein a spray water inlet pipe 4 and a spray water outlet pipe 5 are fixedly connected to the lower side wall of the closed cooling water tank 1, a proportional valve 6 is fixedly communicated with the lower ends of the spray water inlet pipe 4 and the spray water outlet pipe 5, an upper connecting pipe 7 is fixedly communicated with a water inlet of the proportional valve 6, a lower connecting pipe 8 is fixedly communicated with one end of the upper connecting pipe 7 away from the proportional valve 7, one end of the lower connecting pipe 8 away from the upper connecting pipe 7 is fixedly communicated with the heat exchanger 2, a cooling circulation water inlet pipe 9 and a cooling circulation water outlet pipe 10 are fixedly communicated with the side wall of the heat exchanger 2, a spray water outlet pipe 11 is fixedly communicated with the closed cooling water tank 1, and the control unit 3 is electrically connected, the device is characterized in that the pipe walls of the upper connecting pipe 7 and the lower connecting pipe 8 are fixedly connected with a plurality of corresponding fixed blocks 12, and the two corresponding fixed blocks 12 are clamped together through a connecting mechanism 13;
coupling mechanism 13 includes last clamp 131 and lower clamp 132 of joint outside fixed block 12, it rotates through the pivot to go up clamp 131 and lower clamp 132 and connects, go up clamp 131 and the equal fixedly connected with fixed plate 133 of one end that the pivot was kept away from to clamp 132 down, connecting groove 134 has all been seted up to the lateral wall of two fixed plates 133, the joint has same worker type piece 135 in two connecting grooves 134, two jacks 136 have all been seted up to the up end of worker type piece 135 and the equal symmetry of lower terminal surface, all peg graft in two jacks 136 and have fixed pin 137, the upper end fixedly connected with arm-tie 138 of fixed pin 137, the same root cover of fixedly connected with between arm-tie 138 and the fixed plate 133 is established at the outer spring 139 of fixed pin 137, two fixed plates 133 are close to the surface of worker type piece 135 up end and lower terminal surface and.
Go up connecting pipe 7 and connecting pipe 8 in-connection has filtering mechanism 14 down, filtering mechanism 14 includes the annular fixture block 141 of fixed connection 8 inner wall of connecting pipe under, two draw-in grooves 142 have been seted up to annular fixture block 141's lateral wall symmetry, equal joint has fixture block 143 in two draw-in grooves 142, the equal fixedly connected with connecting plate 144 of the lateral wall of two fixture blocks 143, the same filter screen 145 of one side fixedly connected with that two connecting plates 144 are opposite, the symmetrical fixedly connected with of inner wall of going up connecting pipe 7 and the corresponding stopper 146 of connecting plate 144, through setting up filtering mechanism 14, can filter the impurity in the coolant liquid, the effectual impurity of having avoided can lead to the problem that pipeline blocking and cooling tank internal cooling and heating effect descend.
The lateral wall fixedly connected with sealing washer 15 of lower connecting pipe 8, the lateral wall of going up connecting pipe 7 offer with sealing washer 15 assorted seal groove 16, through mutually supporting of sealing washer 15 and seal groove 16 increased the leakproofness between last connecting pipe 7 and lower connecting pipe 8.
The lateral wall fixedly connected with guide block 17 of lower connecting pipe 8, the lateral wall of going up connecting pipe 7 offer with guide block 17 assorted guide way 18, through mutually supporting of guide block 17 and guide way 18, avoided going up connecting pipe 7 and taking place rotatoryly between the connecting pipe 8 down, increased the steadiness between last connecting pipe 7 and the lower connecting pipe 8.
The fixed intercommunication of the lateral wall of lower connecting pipe 8 has rivers sensor 19, the lateral wall fixedly connected with P L C controller 20 of lower connecting pipe 8, bee calling organ 21, L ED lamp 22, rivers sensor 19, P L C controller 20, the equal electric connection of bee calling organ 21 and L ED lamp 22, when detecting down the interior cooling liquid velocity of flow of connecting pipe 8 slows down, rivers sensor 19 controls bee calling organ 21 and L ED lamp 22 work through P L C controller 20, remind the user to change filter screen 145.
The side walls of the upper connecting pipe 7 and the lower connecting pipe 8 are fixedly connected with control valves 23, and when the filter screen 145 needs to be replaced, the control valves 23 prevent the cooling liquid from flowing out.
The utility model discloses in, when buzzer 21 sounded L ED lamp 22 and light, need to change filter screen 145, carry and draw arm-tie 138, arm-tie 138 drives fixed pin 137 and extracts from fixed slot 1310, then move worker type piece 135 to the direction of keeping away from last connecting pipe 7 and lower connecting pipe 8 and keeping away from, open and go up clamp 131 and lower clamp 132, remove the fixed to fixed block 12, when accomplishing filter screen 145, block fixed block 12 with last clamp 131 and lower clamp 132, then carry and draw arm-tie 138 and insert worker type piece 135 into spread groove 134, loosen arm-tie 138 and make arm-tie 138 drive fixed pin 133 under the pulling force of spring 139 and insert fixed slot 1310, quick convenient completion is to last connecting pipe 7 and lower connecting pipe 8 fixed, the operating time of operating worker has been practiced thrift, operating worker's work efficiency has been improved, when changing filter screen 145, will go up connecting pipe 7 and lower connecting pipe 8 separately, contact stopper 146 is to connecting plate 144, then carry connecting plate 144, make connecting plate 144 drive fixture block 143 take out from draw-tie 142, then change filter screen 143 in the filter screen 143, connect filter screen 142 and lower connecting pipe and the effectual connecting pipe 144, the problem of heating of avoiding connection box to the effectual heating and the filter screen 145 to be changed, filter screen 145 and the effectual connecting pipe blockage can be avoided through the effectual connecting plate 145.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an intercooler temperature control device that development efficiency is high, includes closed coolant tank (1), heat exchanger (2) and control unit (3), the lower lateral wall fixedly connected with of closed coolant tank (1) sprays inlet tube (4) and sprays drain pipe (5), the fixed intercommunication of the lower extreme that sprays inlet tube (4) and spray drain pipe (5) has proportional valve (6), the fixed intercommunication of the water inlet of proportional valve (6) has last connecting pipe (7), it has lower connecting pipe (8) with the fixed intercommunication of the one end of keeping away from proportional valve (6) to go up connecting pipe (7), the one end that last connecting pipe (7) were kept away from to lower connecting pipe (8) is fixed with heat exchanger (2) and is communicated, the fixed intercommunication of the lateral wall of heat exchanger (2) has refrigeration cycle inlet tube (9) and refrigeration cycle outlet pipe (10), the fixed intercommunication of the lateral wall of heat exchanger (2) has spraying outlet pipe (11), the spraying water outlet pipe (11) is fixedly communicated with the closed cooling water tank (1), and the control unit (3) is electrically connected with the proportional valve (6) and the closed cooling water tank (1), and is characterized in that the pipe walls of the upper connecting pipe (7) and the lower connecting pipe (8) are fixedly connected with a plurality of corresponding fixed blocks (12), and the two corresponding fixed blocks (12) are clamped together through a connecting mechanism (13);
the connecting mechanism (13) comprises an upper clamp (131) and a lower clamp (132) which are connected outside the fixing block (12) in a clamping manner, the upper clamp (131) and the lower clamp (132) are connected in a rotating manner through a rotating shaft, one ends, far away from the rotating shaft, of the upper clamp (131) and the lower clamp (132) are fixedly connected with fixing plates (133), the side walls of the two fixing plates (133) are respectively provided with a connecting groove (134), the two connecting grooves (134) are internally clamped with the same I-shaped block (135), the upper end face and the lower end face of the I-shaped block (135) are respectively symmetrically provided with two jacks (136), the two jacks (136) are respectively inserted with fixing pins (137), the upper ends of the fixing pins (137) are fixedly connected with pull plates (138), the same spring (139) sleeved outside the fixing pins (137) is fixedly connected between the pull plates (138) and the fixing plates (, fixing grooves (1310) matched with the fixing pins (137) are formed in the surfaces, close to the upper end face and the lower end face of the I-shaped block (135), of the two fixing plates (133).
2. The intercooler temperature control device with high development efficiency as claimed in claim 1, wherein a filtering mechanism (14) is connected in the upper connecting pipe (7) and the lower connecting pipe (8), the filtering mechanism (14) comprises an annular clamping block (141) fixedly connected to the inner wall of the lower connecting pipe (8), two clamping grooves (142) are symmetrically formed in the side wall of the annular clamping block (141), clamping blocks (143) are clamped in the two clamping grooves (142), connecting plates (144) are fixedly connected to the side walls of the two clamping blocks (143), the same filter screen (145) is fixedly connected to the opposite sides of the two connecting plates (144), and limiting blocks (146) corresponding to the connecting plates (144) are symmetrically and fixedly connected to the inner wall of the upper connecting pipe (7).
3. The intercooler temperature control device of claim 2, wherein a sealing ring (15) is fixedly connected to a side wall of the lower connecting pipe (8), and a sealing groove (16) matched with the sealing ring (15) is formed in a side wall of the upper connecting pipe (7).
4. The intercooler temperature control device of claim 2, wherein a guide block (17) is fixedly connected to a side wall of the lower connecting pipe (8), and a guide groove (18) matched with the guide block (17) is formed in a side wall of the upper connecting pipe (7).
5. An intercooler temperature control device with high development efficiency as claimed in claim 1, wherein a water flow sensor (19) is fixedly communicated with the side wall of the lower connecting pipe (8), a P L C controller (20), a buzzer (21) and a L ED lamp (22) are fixedly connected with the side wall of the lower connecting pipe (8), and the water flow sensor (19), the P L C controller (20), the buzzer (21) and the L ED lamp (22) are all electrically connected.
6. An intercooler temperature control device with high development efficiency as claimed in claim 1, wherein the side walls of the upper connecting pipe (7) and the lower connecting pipe (8) are fixedly connected with control valves (23).
CN201921706854.6U 2019-10-12 2019-10-12 Intercooler temperature control device that development efficiency is high Expired - Fee Related CN211038813U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921706854.6U CN211038813U (en) 2019-10-12 2019-10-12 Intercooler temperature control device that development efficiency is high

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921706854.6U CN211038813U (en) 2019-10-12 2019-10-12 Intercooler temperature control device that development efficiency is high

Publications (1)

Publication Number Publication Date
CN211038813U true CN211038813U (en) 2020-07-17

Family

ID=71566325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921706854.6U Expired - Fee Related CN211038813U (en) 2019-10-12 2019-10-12 Intercooler temperature control device that development efficiency is high

Country Status (1)

Country Link
CN (1) CN211038813U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145279A (en) * 2020-09-14 2020-12-29 杭州盛忆镐科技有限公司 Locomotive sprays atomizing cooling device
CN113022265A (en) * 2021-03-24 2021-06-25 武汉理工大学 LNG automobile utilizes surplus cold refrigerating system of gasification

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145279A (en) * 2020-09-14 2020-12-29 杭州盛忆镐科技有限公司 Locomotive sprays atomizing cooling device
CN113022265A (en) * 2021-03-24 2021-06-25 武汉理工大学 LNG automobile utilizes surplus cold refrigerating system of gasification

Similar Documents

Publication Publication Date Title
CN211038813U (en) Intercooler temperature control device that development efficiency is high
CN109163856A (en) For detecting the device of water cooling motor housing
CN207991773U (en) A kind of heat exchanger tube leak detection device
CN111810110A (en) Low-temperature geothermal multipurpose wellhead device
CN207180406U (en) A kind of heat-exchange system with pipe fitting and tubes
CN105571368B (en) Pipe connecting structure and micro-channel heat exchanger
CN202418634U (en) Butt clamp type metal hard-seal thermal insulation butterfly valve
CN205980873U (en) Shell -and -tube heat exchanger
CN209639561U (en) A kind of hygiene-type economizer heat exchanger
CN209558973U (en) A kind of dual-tubesheet heat interchanger
CN111412769A (en) Boiler flue gas recovery heater
CN112304117A (en) Intelligent cooling device for rapid sampling of heat-conducting fluid boiler
CN207831688U (en) Wall-hung boiler water valve dedicated control device
CN214331542U (en) Water inlet valve control device
CN206803839U (en) A kind of heat exchanging pipe joint of band detection window
CN215213621U (en) Steam turbine TSI measuring probe cooling device
CN213361150U (en) Intelligent control valve
CN214038993U (en) Domestic water inlet valve with alarm indication for gas water heater
CN208108146U (en) A kind of heat-conducting oil heating boiler
CN207195822U (en) A kind of Novel water conservancy project steam trap connection
CN109604267A (en) A kind of die waterway bidirectional cleaning device
CN219015667U (en) Pressure test protection device of gas preheater
CN213396663U (en) Intelligent cooling device for rapid sampling of heat-conducting fluid boiler
CN103925810B (en) Piston type heat exchanger
CN203569128U (en) Detachable visible gas collecting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200717

Termination date: 20211012