CN111486434A - Novel boiler chemical cleaning maintains device - Google Patents
Novel boiler chemical cleaning maintains device Download PDFInfo
- Publication number
- CN111486434A CN111486434A CN202010329294.8A CN202010329294A CN111486434A CN 111486434 A CN111486434 A CN 111486434A CN 202010329294 A CN202010329294 A CN 202010329294A CN 111486434 A CN111486434 A CN 111486434A
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- China
- Prior art keywords
- cleaning
- face
- pipe
- reagent box
- mounting
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 73
- 239000000126 substance Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 33
- 238000012423 maintenance Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 5
- 239000013043 chemical agent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/52—Washing-out devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a novel chemical cleaning and maintaining device for a boiler, which comprises a mounting frame, a reagent box, a material conveying pump, a material filling end, a working motor, a material conveying pipe, a fixing component, a spraying component and a cleaning component, wherein the reagent box is fixedly installed on one side of the top end surface of the mounting frame through welding, the material filling end is connected and installed at the top of one side end surface of the reagent box, the material conveying pump is fixedly installed on the top end surface of the reagent box through a screw, the material conveying pipe is connected and installed on one side end surface of the material conveying pump, the fixing components are respectively arranged on the front end surface and the rear end surface of the mounting frame, the working motor is fixedly installed in the center of the top end surface; the novel chemical cleaning and maintaining device for the boiler is simple and rapid to install and firm to fix; when in use, the chemical cleaning can be conveniently carried out on the inner wall of the boiler, the cleaning is convenient, and the cleaning effect is good; and simultaneously has the function of boiler maintenance.
Description
Technical Field
The invention relates to the field of boiler cleaning equipment, in particular to a novel chemical cleaning and maintaining device for a boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy; when the boiler is used, the chemical cleaning of the boiler is needed; chemical cleaning of a boiler is the most effective descaling means, and various dirt in the boiler is removed by chemically cleaning the boiler; boiler chemical cleaning among the prior art maintains device, the structure is crude, and when using, the installation is inconvenient, washs not in place moreover, influences the cleaning performance, consequently, it is very necessary to design novel boiler chemical cleaning and maintain device.
Disclosure of Invention
The invention aims to provide a novel boiler chemical cleaning and maintaining device which is simple and rapid to install and firm to fix; when in use, the chemical cleaning can be conveniently carried out on the inner wall of the boiler, the cleaning is convenient, and the cleaning effect is good; and simultaneously has the function of boiler maintenance.
The purpose of the invention can be realized by the following technical scheme:
the novel boiler chemical cleaning maintenance device comprises a mounting frame, a reagent box, a material conveying pump, a material filling end, a working motor, a material conveying pipe, a fixing component, a spraying component and a cleaning component, wherein the reagent box is fixedly installed on one side of the top end face of the mounting frame through welding, the material filling end is connected and installed on the top of one side end face of the reagent box, the material conveying pump is fixedly installed on the top end face of the reagent box through screws, the material conveying pipe is connected and installed on one side end face of the material conveying pump, the front end face and the rear end face of the mounting frame are respectively provided with the fixing component, the working motor is fixedly installed in the center of the top end face of the mounting frame through screws, the spraying component is arranged on the;
the spray assembly comprises a fixing seat, an annular pipe, a discharge port, a cleaning pipe, a cleaning nozzle and an injection pipe, wherein the fixing seat is fixedly installed in the center of the bottom end face of the mounting frame through screws, the annular pipe is filled in the fixing seat, a plurality of discharge port is formed in the bottom end face of the annular pipe, the cleaning pipe is installed at the bottom of the discharge port in a connected mode, the cleaning nozzle is installed in the outer side of the cleaning pipe in a connected mode, and the injection pipe is installed on one side end face of the fixing seat in an inserted mode.
As a further scheme of the invention: the chemical reagent is filled in the reagent box, one end of the delivery pump is connected with the material pumping pipe, and the material pumping pipe is inserted and installed at the bottom of the inner side of the reagent box.
As a further scheme of the invention: the fixed subassembly includes loop bar, locating pin, expansion bracket, gag lever post and joint support, the loop bar passes through welded fastening and installs the bottom terminal surface at the mounting bracket, the expansion bracket is installed in the inside grafting of loop bar, the locating pin is installed in the top terminal surface grafting of loop bar, and the bottom of locating pin passes the inside intercommunication of loop bar and expansion bracket, the gag lever post is installed in the one end welding of expansion bracket, and the bottom end face welding of gag lever post installs the joint support.
As a further scheme of the invention: one end of the material injection pipe penetrates through the fixing seat to be communicated with the annular pipe, and the other end of the material injection pipe is connected with one end of the material conveying pipe.
As a further scheme of the invention: clean subassembly is including connecting pivot, uide bushing, leading truck, washing backplate, brush head mount pad, cleaning brush and bearing plate, connect the pivot setting at the bottom terminal surface of mounting bracket, and the top one end of connecting the pivot passes through the coupling joint with the motor shaft of work motor, the top outside of connecting the pivot is cup jointed and is installed the uide bushing, the bottom terminal surface fixed mounting of connecting the pivot has the bearing plate, all there is the washing backplate at the top terminal surface of bearing plate through welded fastening all around, there is the brush head mount pad one side of wasing the backplate through screw fixed mounting, and there is the cleaning brush in the outside of brush head mount pad through screw fixed mounting, the leading truck is installed in the top connection of washing the backplate, and the scavenge pipe is pegged graft and is installed between leading truck and connection pivot.
As a further scheme of the invention: a guide groove is formed in the center of the end face of the fixing seat, and one end of the top of the guide sleeve is fixedly installed in the guide groove.
The invention has the beneficial effects that: when the novel chemical cleaning and maintaining device for the boiler is installed, the position of the installation frame can be conveniently fixed through the fixing assembly, the installation is simple and rapid, and the fixation is firm; when the chemical agent box is used, the chemical agent in the agent box is conveyed to the spraying assembly through the conveying pump, so that the chemical agent can be sprayed to the inner wall of the boiler, and then the inner wall of the boiler can be conveniently and chemically cleaned through the cleaning assembly, so that the cleaning is convenient and the cleaning effect is good; meanwhile, the maintenance reagent can be sprayed to the inner wall of the boiler, and the maintenance reagent can be uniformly coated on the inner wall of the boiler through the cleaning brush, so that the boiler maintenance function is achieved, and the use convenience is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a fixing assembly according to the present invention;
FIG. 3 is a schematic structural view of the spray assembly of the present invention;
FIG. 4 is a top view of the spray assembly of the present invention;
FIG. 5 is a schematic view of the cleaning assembly of the present invention;
in the figure: 1. a mounting frame; 2. a reagent box; 3. a delivery pump; 4. a material injection end; 5. a working motor; 6. a delivery pipe; 7. a fixing assembly; 8. a spray assembly; 9. a cleaning assembly; 71. a loop bar; 72. positioning pins; 73. a telescopic frame; 74. a limiting rod; 75. clamping the support; 81. a fixed seat; 82. an annular tube; 83. a discharge port; 84. cleaning the tube; 85. cleaning the spray head; 86. a material injection pipe; 91. connecting the rotating shaft; 92. a guide sleeve; 93. a guide frame; 94. cleaning the back plate; 95. a brush head mounting base; 96. a cleaning brush; 97. a bearing plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, the novel boiler chemical cleaning maintenance device comprises a mounting frame 1, a reagent box 2, a delivery pump 3, a material injection end 4, a working motor 5, a delivery pipe 6, a fixing component 7, a spraying component 8 and a cleaning component 9, wherein the reagent box 2 is fixedly installed on one side of the top end surface of the mounting frame 1 through welding, the material injection end 4 is installed at the top of one side end surface of the reagent box 2 in a connected manner, the delivery pump 3 is fixedly installed on the top end surface of the reagent box 2 through screws, chemical reagents are filled in the reagent box 2, a material pumping pipe is installed at one end of the delivery pump 3 in a connected manner, and the material pumping pipe is installed at the bottom of the inner side of the reagent box 2 in an inserted manner; a material conveying pipe 6 is connected and installed on one side end face of the material conveying pump 3, fixing components 7 are arranged on the front end face and the rear end face of the installation frame 1, each fixing component 7 comprises a loop bar 71, a positioning pin 72, an expansion bracket 73, a limiting rod 74 and a clamping support 75, the loop bar 71 is fixedly installed on the bottom end face of the installation frame 1 through welding, the expansion bracket 73 is installed inside the loop bar 71 in an inserted mode, the positioning pin 72 is installed on the top end face of the loop bar 71 in an inserted mode, the bottom of the positioning pin 72 penetrates through the loop bar 71 to be communicated with the inside of the expansion bracket 73, the limiting rod 74 is installed at one end of the expansion bracket 73 in a welded mode, and the clamping support 75 is installed on; the center of the top end face of the mounting frame 1 is fixedly provided with a working motor 5 through a screw, the bottom end face of the mounting frame 1 is provided with a spraying assembly 8, and the outer side of the spraying assembly 8 is provided with a cleaning assembly 9; the spraying assembly 8 comprises a fixed seat 81, an annular pipe 82, a discharge port 83, a cleaning pipe 84, a cleaning nozzle 85 and a material injection pipe 86, the fixed seat 81 is fixedly installed in the center of the bottom end face of the installation frame 1 through screws, the annular pipe 82 is filled in the fixed seat 81, a plurality of discharge ports 83 are formed in the bottom end face of the annular pipe 82, the cleaning pipe 84 is installed at the bottom of the discharge ports 83 in a connected mode, the cleaning nozzles 85 are installed on the outer side of the cleaning pipe 84 in a connected mode, the material injection pipe 86 is installed on one side end face of the fixed seat 81 in an inserted mode, one end of the material injection pipe 86 penetrates through the fixed seat 81 to be communicated with the annular pipe 82, and the other; the cleaning assembly 9 comprises a connecting rotating shaft 91, a guide sleeve 92, a guide frame 93, a cleaning back plate 94, a brush head mounting seat 95, a cleaning brush 96 and a bearing plate 97, the connecting rotating shaft 91 is arranged on the bottom end face of the mounting frame 1, one end of the top of the connecting rotating shaft 91 is connected with a motor shaft of the working motor 5 through a coupler, the guide sleeve 92 is sleeved on the outer side of the top end of the connecting rotating shaft 91, a guide groove is formed in the center of the end face of the fixing seat 81, and one end of the top of the guide sleeve 92 is fixedly mounted inside the guide groove, so that the convenience of connection is; connect the bottom terminal surface fixed mounting of pivot 91 with bearing plate 97, all there is washing backplate 94 through welded fastening all around the top terminal surface of bearing plate 97, there is brush head mount pad 95 one side of washing backplate 94 through screw fixed mounting, and there is cleaning brush 96 outside of brush head mount pad 95 through screw fixed mounting, the top connection of washing backplate 94 is installed and is guided frame 93, and wash pipe 84 pegs graft and install between guided frame 93 and connection pivot 91, can clean the inner wall of boiler through clean subassembly 9.
The working principle of the invention is as follows: when the chemical cleaning agent injection device is used, the mounting frame 1 is fixed on the top end face of a boiler through the fixing assembly 7, the mounting frame 1 is attached to one side end face of the boiler, the length of the telescopic frame 73 is adjusted, the positions of the limiting rod 74 and the clamping support 75 are changed, the telescopic frame 73 is pulled, the telescopic frame 73 slides in the loop bar 71 until the clamping support 75 is attached to the outer wall of the boiler, the telescopic frame 73 is stopped being pulled, the positioning pin 72 on the top end face of the loop bar 71 is screwed down, the telescopic frame 73 can be tightly fixed in the loop bar 71 through the positioning pin 72, the two clamping supports 75 are tightly pressed on the outer wall of the boiler, the position of the mounting frame 1 is fixed, after a chemical cleaning agent is injected into the reagent box 2 through the injection end 4 on one side of the reagent box 2, the material conveying pump 3 works, the chemical cleaning agent is conveyed to the inside of the material conveying pipe 6 through, then, the chemical cleaning agent is conveyed to the spraying assembly 8 through the conveying pipe 6, conveyed into the annular pipe 82 inside the fixed seat 81 through the material injection pipe 86 and conveyed into the cleaning pipe 84 through the material discharge port 83, because the cleaning spray nozzle 85 is installed on the outer wall of the cleaning pipe 84, the chemical cleaning agent can be sprayed onto the inner wall of the boiler through the cleaning spray nozzle 85, the working motor 5 on the top end surface of the mounting frame 1 works, because the guide sleeve 92 and the fixed seat 81 of the cleaning assembly 9 are fixedly installed on the bottom end surface of the mounting frame 1, the connecting rotating shaft 91 is driven to rotate through the motor shaft, the connecting rotating shaft 91 drives the bearing plate 97 to rotate, when the bearing plate 97 rotates, the guide frame 93, the cleaning back plate 94 and the brush head mounting seat 95 rotate, the brush head mounting seat 95 rotates to drive the cleaning brush to rotate, and; when maintenance is needed, the chemical cleaning reagent can be replaced by a chemical maintenance reagent, so that the chemical maintenance reagent can be coated on the inner wall of the boiler through 96, and maintenance can be carried out on the boiler.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. Novel boiler chemical cleaning maintains device, its characterized in that, including mounting bracket (1), reagent box (2), conveying pump (3), annotate material end (4), work motor (5), conveying pipeline (6), fixed subassembly (7), spray assembly (8) and clean subassembly (9), top end face one side of mounting bracket (1) is installed reagent box (2) through welded fastening, the material end (4) of annotating is connected and installed at a side end face top of reagent box (2), the top end face of reagent box (2) has conveying pump (3) through screw fixed mounting, one side end face of conveying pump (3) is connected and is installed conveying pipeline (6), the terminal surface all is provided with fixed subassembly (7) around mounting bracket (1), the top end face central authorities of mounting bracket (1) have work motor (5) through screw fixed mounting, a spraying assembly (8) is arranged on the bottom end face of the mounting rack (1), and a cleaning assembly (9) is arranged on the outer side of the spraying assembly (8);
spray assembly (8) and include fixing base (81), ring pipe (82), discharge gate (83), scavenge pipe (84), washing shower nozzle (85) and notes material pipe (86), fixing base (81) are through screw fixed mounting at the bottom terminal surface central authorities of mounting bracket (1), the inside packing of fixing base (81) has ring pipe (82), a plurality of discharge gate (83) have been seted up to the bottom terminal surface of ring pipe (82), and the bottom of discharge gate (83) is connected and is installed scavenge pipe (84), the outside of scavenge pipe (84) is connected and is installed a plurality of washing shower nozzle (85), a side end face grafting of fixing base (81) is installed and is annotated material pipe (86).
2. The novel boiler chemical cleaning and maintaining device as claimed in claim 1, characterized in that the inside of the reagent box (2) is filled with chemical reagents, one end of the feed delivery pump (3) is connected with a material pumping pipe, and the material pumping pipe is inserted and installed at the bottom of the inner side of the reagent box (2).
3. The novel boiler chemical cleaning and maintaining device according to claim 1, characterized in that the fixing assembly (7) comprises a loop bar (71), a positioning pin (72), an expansion bracket (73), a limiting rod (74) and a clamping support (75), the loop bar (71) is fixedly installed on the bottom end face of the mounting frame (1) through welding, the expansion bracket (73) is installed in the loop bar (71) in an inserting mode, the positioning pin (72) is installed on the top end face of the loop bar (71) in an inserting mode, the bottom of the positioning pin (72) penetrates through the loop bar (71) and is communicated with the expansion bracket (73) in the inner portion, the limiting rod (74) is installed at one end of the expansion bracket (73) in a welding mode, and the clamping support (75) is installed at the bottom end face of the limiting rod (74) in a welding.
4. The novel boiler chemical cleaning maintenance device according to claim 1, characterized in that one end of the material injection pipe (86) passes through the fixed seat (81) to be communicated with the annular pipe (82), and the other end of the material injection pipe (86) is connected with one end of the material conveying pipe (6).
5. The novel boiler chemical cleaning maintenance device according to claim 1, wherein the cleaning assembly (9) comprises a connecting rotating shaft (91), a guide sleeve (92), a guide frame (93), a cleaning back plate (94), a brush head mounting seat (95), a cleaning brush (96) and a bearing plate (97), the connecting rotating shaft (91) is arranged on the bottom end face of the mounting frame (1), one end of the top of the connecting rotating shaft (91) is connected with a motor shaft of the working motor (5) through a coupler, the guide sleeve (92) is sleeved on the outer side of the top end of the connecting rotating shaft (91), the bearing plate (97) is fixedly mounted on the bottom end face of the connecting rotating shaft (91), the cleaning back plate (94) is fixedly mounted on the periphery of the top end face of the bearing plate (97) through welding, the brush head mounting seat (95) is fixedly mounted on one side of the cleaning back plate (94) through screws, and the outside of brush head mount pad (95) is through screw fixed mounting have cleaning brush (96), wash the top of backplate (94) and connect and install leading truck (93), and wash pipe (84) are pegged graft and are installed between leading truck (93) and connection pivot (91).
6. The novel boiler chemical cleaning and maintaining device as claimed in claim 1, wherein a guide groove is formed in the center of the end surface of the fixed seat (81), and one end of the top of the guide sleeve (92) is fixedly installed inside the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329294.8A CN111486434A (en) | 2020-04-23 | 2020-04-23 | Novel boiler chemical cleaning maintains device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329294.8A CN111486434A (en) | 2020-04-23 | 2020-04-23 | Novel boiler chemical cleaning maintains device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111486434A true CN111486434A (en) | 2020-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010329294.8A Pending CN111486434A (en) | 2020-04-23 | 2020-04-23 | Novel boiler chemical cleaning maintains device |
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| CN (1) | CN111486434A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050051200A1 (en) * | 2003-09-05 | 2005-03-10 | Chih-Kun Chen | Wafer cleaning apparatus with multiple wash-heads |
| CN204213892U (en) * | 2014-10-27 | 2015-03-18 | 四川溢阳环保设备技术工程有限公司 | Boiler dosing descaling treatment device |
| CN108080369A (en) * | 2016-11-21 | 2018-05-29 | 成都中安电气有限公司 | A kind of power pipe cleaning device |
| CN208519754U (en) * | 2018-05-23 | 2019-02-19 | 南京赫耳斯科技有限公司 | The apparatus for eliminating sludge of humidifier boiler |
| CN209700940U (en) * | 2019-02-02 | 2019-11-29 | 张掖市天鹰农牧发展有限责任公司 | A kind of medicine-chest with agitating function for plant protection drone |
| CN110935386A (en) * | 2019-12-13 | 2020-03-31 | 抚州市神州安全科技有限公司 | Emulsion explosive production jar cleaning device |
| CN212005635U (en) * | 2020-04-23 | 2020-11-24 | 山西省工业设备安装集团有限公司 | Novel boiler chemical cleaning maintains device |
-
2020
- 2020-04-23 CN CN202010329294.8A patent/CN111486434A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050051200A1 (en) * | 2003-09-05 | 2005-03-10 | Chih-Kun Chen | Wafer cleaning apparatus with multiple wash-heads |
| CN204213892U (en) * | 2014-10-27 | 2015-03-18 | 四川溢阳环保设备技术工程有限公司 | Boiler dosing descaling treatment device |
| CN108080369A (en) * | 2016-11-21 | 2018-05-29 | 成都中安电气有限公司 | A kind of power pipe cleaning device |
| CN208519754U (en) * | 2018-05-23 | 2019-02-19 | 南京赫耳斯科技有限公司 | The apparatus for eliminating sludge of humidifier boiler |
| CN209700940U (en) * | 2019-02-02 | 2019-11-29 | 张掖市天鹰农牧发展有限责任公司 | A kind of medicine-chest with agitating function for plant protection drone |
| CN110935386A (en) * | 2019-12-13 | 2020-03-31 | 抚州市神州安全科技有限公司 | Emulsion explosive production jar cleaning device |
| CN212005635U (en) * | 2020-04-23 | 2020-11-24 | 山西省工业设备安装集团有限公司 | Novel boiler chemical cleaning maintains device |
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