CN204939413U - A kind of coal gas waste heat recovery apparatus carrying cleaning function - Google Patents
A kind of coal gas waste heat recovery apparatus carrying cleaning function Download PDFInfo
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- CN204939413U CN204939413U CN201520703623.5U CN201520703623U CN204939413U CN 204939413 U CN204939413 U CN 204939413U CN 201520703623 U CN201520703623 U CN 201520703623U CN 204939413 U CN204939413 U CN 204939413U
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- transfer tube
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of coal gas waste heat recovery apparatus carrying cleaning function, relate to coal gas waste heat recovery apparatus field.This coal gas waste heat recovery apparatus comprises drum, interchanger, interchanger comprises heat exchange casing, thermal insulation layer, heat transfer tube, heat transfer tube washing unit, heat transfer tube washing unit comprise water supplying tank, at least one water pipe and with water pipe nozzle one to one, it is external that described water supplying tank is positioned at described heat exchange box, nozzle stretches in heat exchange box body cavity body through heat exchange casing and thermal insulation layer, the outside surface of heat transfer tube scribbles antiseized glutinous layer, and heat exchange bottom half is provided with blow-off pipe, is provided with a tank below blow-off pipe.The utility model can utilize the heat energy in coal gas, solves the blockage problem of heat transfer tube simultaneously, improves the heat exchange efficiency of heat transfer tube.
Description
Technical field
The utility model relates to coal gas waste heat recovery apparatus field, specifically relates to a kind of coal gas waste heat recovery apparatus carrying cleaning function.
Background technology
The industrial coal gas by being made to coal carbonization or other technique, temperatures as high 400 DEG C, extremely dangerous, therefore need to be cooled to less than 200 DEG C, the use such as family, factory could be supplied.The processing mode in past to be cooled by air surface or the mode of water-cooled allows coal gas cool; the consumption of thermal pollution or great lot of water resources in air is also result in while causing the profligacy of heat energy; nowadays; recycle that is energy-conservation and resource is more and more subject to people's attention, and the industrial waste-heat recovery device that usually can adopt is recycled this part heat energy.Waste-heat recovery device comprises interchanger, and interchanger comprises heat transfer tube.
But in the production process of coal gas, can coal tar be produced and be mixed in coal gas, when coal gas passes through the interchanger of waste-heat recovery device, coal tar just can adhere on the heat transfer tube of interchanger, reduce the thermal energy conversion efficiency of heat transfer tube, macrocyclic operation simultaneously can cause heat transfer tube to block, and cannot realize heat energy utilization and normal continuous seepage.Traditional settling mode needs to carry out stopping production process, the cavity of interchanger is taken apart taking-up heat transfer tube and cleans it, affect the production efficiency of enterprise.
Utility model content
The purpose of this utility model is the deficiency in order to overcome above-mentioned background technology, a kind of coal gas waste heat recovery apparatus carrying cleaning function is provided, the thermal energy conversion efficiency of waste-heat recovery device can be improved, alleviate the cleaning difficulty of the heat transfer tube in waste-heat recovery device in interchanger.
The utility model provides a kind of coal gas waste heat recovery apparatus carrying cleaning function, comprise drum, interchanger, be connected with gas pipeline by feedwater piping between drum with interchanger, drum is provided with at least one vapour outlet, described interchanger comprises heat exchange casing, thermal insulation layer, heat transfer tube, described heat transfer tube is positioned at heat exchange casing, described coal gas waste heat recovery apparatus also comprises heat transfer tube washing unit, heat transfer tube washing unit is arranged on described heat exchange casing both sides, and be connected with a water pump by pipeline, heat transfer tube washing unit comprises water supplying tank, at least one water pipe and with water pipe nozzle one to one, one end of water pipe connects water supplying tank, the other end connects nozzle, it is external that water supplying tank is positioned at described heat exchange box, nozzle stretches in heat exchange box body cavity body through heat exchange casing and described thermal insulation layer, the water outlet of nozzle is towards described heat transfer tube, the outside surface of heat transfer tube scribbles antiseized glutinous layer, heat exchange bottom half is provided with blow-off pipe, a tank is provided with below blow-off pipe, the water outlet of blow-off pipe submerges below the water surface of described tank, heat exchange box body sidewall is provided with multiple airtight access opening, the side of heat exchange casing is provided with inlet pipe, opposite side is provided with escape pipe.
In technique scheme, described heat exchange box body sidewall is provided with two airtight access openings.
In technique scheme, described drum is provided with three vapour outlets.
In technique scheme, the water supplying tank of described heat-transfer pipe washing unit both sides is connected with a water pump by pipeline.
Compared with prior art, advantage of the present utility model is as follows:
(1) in the utility model, the heat transfer tube of interchanger adopts light-pipe structure to be used for deashing, alleviate the blockage problem of heat transfer tube, the outside surface of heat transfer tube scribbles antiseized glutinous layer simultaneously, and the coal tar in coal gas can not be adhered on heat transfer tube, improves the heat exchange efficiency of heat transfer tube.
(2) when the heat transfer tube of heat exchanger cleans, directly with the nozzle extending into heat exchanger cavity inside, exchange heat pipe carries out flushing of spraying water with high pressure, and can clean up.Whole cleaning process is time saving and energy saving, effectively can improve the production efficiency of coal gas.
(2) water outlet of blow-off pipe of the present utility model submerges below the water surface of described tank, in the process of the cleaning of exchange heat pipe, coal gas in waste-heat recovery device is in the state cut off with outside air all the time, avoids the leakage of coal gas, guarantees waste-heat recovery device safe operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the coal gas waste heat recovery apparatus carrying cleaning function in the utility model.
In figure: 1-drum, 2-interchanger, 3-heat transfer tube washing unit, 4-inlet pipe, 5-escape pipe, 6-blow-off pipe, 7-tank, 8-airtight access opening, 12-feedwater piping, 13-gas pipeline, 14-vapour outlet, 21-heat exchange casing, 22-thermal insulation layer, 23-heat transfer tube, 31-water supplying tank, 32-water pipe, 33-nozzle.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Shown in Figure 1, the utility model provides a kind of coal gas waste heat recovery apparatus carrying cleaning function, comprise drum 1, interchanger 2, be connected with gas pipeline 13 by feedwater piping 12 between drum 1 with interchanger 2, drum 1 is provided with at least one vapour outlet 14, be generally three, interchanger 2 comprises heat exchange casing 21, thermal insulation layer 22, heat transfer tube 23, heat transfer tube 23 is positioned at heat exchange casing 21, coal gas waste heat recovery apparatus also comprises heat transfer tube washing unit 3, heat transfer tube washing unit 3 is arranged on heat exchange casing 21 both sides, heat transfer tube washing unit 3 comprises water supplying tank 31, at least one water pipe 32 and with water pipe 32 nozzle 33 one to one, one end of water pipe 32 connects water supplying tank 31, the other end connects nozzle 33, water supplying tank 31 is positioned at outside heat exchange casing 21, nozzle 33 stretches in heat exchange casing 21 cavity through heat exchange casing 21 and thermal insulation layer 22, the water outlet of nozzle 33 is towards heat-transfer pipe 23, the outside surface of heat transfer tube 23 scribbles antiseized glutinous layer, make coal tar can not adhere on heat transfer tube 23, and the structure of heat transfer tube 23 is circular tube structure.Be provided with blow-off pipe 6 bottom heat exchange casing 21, below blow-off pipe 6, be provided with a tank 7, the water outlet of blow-off pipe 6 submerge screw clamp 7 the water surface below, heat exchange casing 21 sidewall is provided with multiple airtight access opening 8, is generally two.The side of heat exchange casing 21 is provided with inlet pipe 4, and opposite side is provided with escape pipe 5.
Carry the waste-heat recovery device of cleaning function operationally, first the water in drum 1 is injected in interchanger 2 by feedwater piping 12, then coal gas of high temperature enters in the heat exchange casing 21 of interchanger 2 again, heat exchange is carried out by the heat transfer tube 23 in heat exchange casing 21, the heat reclaimed is for the water in heating heat exchanger 2, becoming water vapor after the heating of interchanger 2 water gets back in drum 1 by gas pipeline 13, carbonated drink separation is being carried out by drum 1, steam after separation is exported by the vapour outlet 14 at drum 1 top, circulates according to this.
Usually containing dust, coal tar wet goods impurity in coal gas, and scribble antiseized glutinous layer for the outside surface of the heat transfer tube 23 of heat-shift, therefore the coal tar in coal gas can not adhere on heat-transfer pipe, heat transfer tube 23 adopts circular tube structure simultaneously, is conducive to removing the dust sticked on heat transfer tube 23 easily.Workman is when cleaning implemented by the heat transfer tube 23 of heat exchanger 2, first by water pump, high pressure water is squeezed into water supplying tank 31, a point water is carried out by multiple water pipe 32 again by water supplying tank 31, water is transported to nozzle 33, comprehensively rinse exchanging heat pipe 23 by nozzle 33, dust on heat transfer tube 23 and the coal tar wet goods impurity punching sticked on dust are fallen, the impurity that punching falls behind is flowed in tank 7 by blow-off pipe and carries out centralized recovery, solve adhesion and the dust blockage problem of coal tar, the thermo-efficiency of the interchanger 2 improved, reduce labour intensity, coal gas simultaneously in waste-heat recovery device is in the state cut off with outside air all the time, avoid the leakage of coal gas, make coal gas system can continuous seepage, the production efficiency of effective raising coal gas.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment; if these amendments and modification are within the scope of the utility model claim and equivalent technologies thereof, then these revise and modification also within protection domain of the present utility model.
The prior art that the content do not described in detail in specification sheets is known to the skilled person.
Claims (4)
1. one kind carries the coal gas waste heat recovery apparatus of cleaning function, comprise drum (1), interchanger (2), be connected with gas pipeline (13) by feedwater piping (12) between drum (1) with interchanger (2), described drum (1) is provided with at least one vapour outlet (14), described interchanger (2) comprises heat exchange casing (21), thermal insulation layer (22) and heat transfer tube (23), described heat transfer tube (23) is positioned at heat exchange casing (21), it is characterized in that: described coal gas waste heat recovery apparatus also comprises heat transfer tube washing unit (3), described heat transfer tube washing unit (3) is arranged on described heat exchange casing (21) both sides, described heat transfer tube washing unit (3) comprises water supplying tank (31), at least one water pipe (32) and with water pipe (32) nozzle (33) one to one, one end of described water pipe (32) connects water supplying tank (31), the other end connects nozzle (33), described water supplying tank (31) is positioned at described heat exchange casing (21) outward, described nozzle (33) stretches in heat exchange casing (21) cavity through described heat exchange casing (21) and described thermal insulation layer (22), the water outlet of described nozzle (33) is towards described heat transfer tube (23), the outside surface of described heat transfer tube (23) scribbles antiseized glutinous layer, heat exchange casing (21) bottom is provided with blow-off pipe (6), described blow-off pipe (6) below is provided with a tank (7), the water outlet of described blow-off pipe (6) submerges below the water surface of described tank (7), heat exchange casing (21) sidewall is provided with multiple airtight access opening (8), the side of described heat exchange casing (21) is provided with inlet pipe (4), opposite side is provided with escape pipe (5).
2. carry the coal gas waste heat recovery apparatus of cleaning function as claimed in claim 1, it is characterized in that: described heat exchange casing (21) sidewall is provided with two airtight access openings (8).
3. carry the coal gas waste heat recovery apparatus of cleaning function as claimed in claim 1, it is characterized in that: described drum (1) is provided with three vapour outlets (14).
4. carry the coal gas waste heat recovery apparatus of cleaning function as claimed in claim 1, it is characterized in that: the water supplying tank (31) of described heat-transfer pipe washing unit (3) both sides is connected with a water pump by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703623.5U CN204939413U (en) | 2015-09-11 | 2015-09-11 | A kind of coal gas waste heat recovery apparatus carrying cleaning function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703623.5U CN204939413U (en) | 2015-09-11 | 2015-09-11 | A kind of coal gas waste heat recovery apparatus carrying cleaning function |
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| CN204939413U true CN204939413U (en) | 2016-01-06 |
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| CN201520703623.5U Active CN204939413U (en) | 2015-09-11 | 2015-09-11 | A kind of coal gas waste heat recovery apparatus carrying cleaning function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105779025A (en) * | 2016-01-14 | 2016-07-20 | 中国重型机械研究院股份公司 | Device for coal pyrolysis gas cooling and waste heat recovery |
| CN105925322A (en) * | 2016-04-28 | 2016-09-07 | 中国重型机械研究院股份公司 | Vertical fold line-type high temperature pyrolysis gas cooling and waste heat recovery device |
| CN114894013A (en) * | 2022-05-06 | 2022-08-12 | 中国矿业大学 | Wide-runner mine air exhaust heat exchange device and working method |
-
2015
- 2015-09-11 CN CN201520703623.5U patent/CN204939413U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105779025A (en) * | 2016-01-14 | 2016-07-20 | 中国重型机械研究院股份公司 | Device for coal pyrolysis gas cooling and waste heat recovery |
| CN105925322A (en) * | 2016-04-28 | 2016-09-07 | 中国重型机械研究院股份公司 | Vertical fold line-type high temperature pyrolysis gas cooling and waste heat recovery device |
| CN105925322B (en) * | 2016-04-28 | 2018-12-28 | 中国重型机械研究院股份公司 | A kind of upright broken line type high temperature pyrolysis air cooling and waste-heat recovery device |
| CN114894013A (en) * | 2022-05-06 | 2022-08-12 | 中国矿业大学 | Wide-runner mine air exhaust heat exchange device and working method |
| CN114894013B (en) * | 2022-05-06 | 2024-03-15 | 中国矿业大学 | Wide-runner mine exhaust heat exchange equipment and working method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: From coal gas waste heat recovery apparatus who takes cleaning function Effective date of registration: 20160906 Granted publication date: 20160106 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: WUHAN DONGSHENG JIENENG TECHNOLOGY CO., LTD. Registration number: 2016420000035 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180731 Granted publication date: 20160106 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: WUHAN DONGSHENG JIENENG TECHNOLOGY CO., LTD. Registration number: 2016420000035 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: From coal gas waste heat recovery apparatus who takes cleaning function Effective date of registration: 20180801 Granted publication date: 20160106 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: WUHAN DONGSHENG JIENENG TECHNOLOGY CO., LTD. Registration number: 2018420000038 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190926 Granted publication date: 20160106 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co., Ltd. Pledgor: WUHAN DONGSHENG JIENENG TECHNOLOGY CO., LTD. Registration number: 2018420000038 |