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1、山东某商住楼太阳能热水设备及管道安装技术交底_secretShandong, a commercial building solar hot water equipment and pipe installation technical disclosure, _secret.txt*, an article of the previous signature flip, and then the signature of how naive, how naive. You even let me revenge is not qualified - to caller ID is your
2、number one day. Good day, your state is for me to write. Some people, we know that love, but also to give up, because there is no end, this article by moenjiang contributionDOC documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source
3、 file to the local view.Technical disclosure recordLu JJ-005 - racyProject name disclosure parts summary: residential commercial residential construction unit process nameSolar hot water equipment and pipe installationAccording to the standard: according to the standard:Unified standard for quality
4、acceptance of construction works GB50300-2001 code for construction quality acceptance of building water supply, drainage and heating engineering GB50242-20021, scopeThe process standard is applicable to the installation of ordinary flat plate straight tubular solar water heaters and pipes in civil
5、and general industrial buildings.2 、 construction preparation2.1 material requirements 2.1.1 solar water heater type should comply with the design requirements, determined by party a material brand. Nothing should have the certificate. 2.1.2 collector material: 2.1.2.1 transparent cover requirements
6、 on short wave solar radiation transmittance, absorption and reflection of long wave thermal radiation rate, weather resistance, durability, good heat resistance, light quality and have a certain strength. Should use 3 5mm thick iron content of less tempered glass. 2.1.2.2 heat collecting board and
7、heat collecting tube surface should be black coating, it should have weather resistance, adhesion and high strength. Collector 2.1.2.3 requirements of high thermal conductivity, smooth inner wall, flow friction is small, not easy to rust, no pollution, high strength, good durability, easy processing
8、 materials, suitable brass and stainless steel tube; the general use of galvanized carbon steel or aluminum alloy. The cylinder heat collector can be made of plastic pipes (PVC) with thickness of 2 3mm. 2.1.2.4 heat collecting plate should have good thermal conductivity and durability, not easy to c
9、orrosion. Aluminum alloy plate, aluminum plate, stainless steel plate or corrosion resistant steel plate should be adopted. 2.1.2.5 collector should have insulation layer and the shell, the insulating layer can be used mineral wool, glass wool, foam, the shell is made of wood, steel, glass and steel
10、 etc. Specifically determined by Party A. 2.1.3 hot water system pipe and pipe fittings should adopt PPR pipe and pipe fittings. 2.2 main equipments: 2.2.1 machinery: vertical lifting machine, threading machine, grinding wheel saw, hammer, electric drill, electric welding machine, electric pressure
11、test pump. 2.2.2 tools: Silk sheet sets, Guan Qian, spanner, pliers, hammer hacksaw, pressure, bending machine, electric welding tools etc. 2.2.3 other equipment: steel tape, box ruler, square, the level of scale, wire, and so on. 2.3 operating conditions: 2.3.1 set on the roof of the solar water he
12、ater, should be completed after the roof protection layer installed. 2.3.2 roof structure should be able to withstand the new increase of solar water heater equipment load. 2.3.3 roof structure should be able to withstand the new increase of solar water heater equipment load. Two3.4 installation of
13、solar water heaters should ensure sufficient sunshine intensity.3, operation process3.1 process: ready to install, support frame installation, water heater equipment assembly and water distribution pipeline installation, pipeline system, pressure test piping system flushing or blow washing, temperat
14、ure control instrument installation, system commissioning, anti-corrosion pipeline installation preparation: 3.2 3.2.1 according to the design requirements check box water heater specifications are correct, accessories are complete.3.2.2 clean up the scene, draw line positioning. 3.3, support frame
15、production and installation, should be prepared according to the design details, usually for the finished product site assembly. The mounting of the support frame and the foundation plate shall comply with the design requirements. 3.4 water heater equipment assembly: 3.4.1 tube plate heat collector
16、is a widely used heat collector, which can be used in conjunction with heat storage water tank and inclined installation. The collector should be installed downstream lap or glass frame type connection. 3.4.2 collector installation position: in the northern hemisphere, the best range of collector is
17、 towards the south, the maximum offset angle not greater than 15 DEG C. Installation angle of 3.4.3 collector: the optimum tilt angle shall be determined according to the season of use and local latitude. When 3.4.3.1 was used in the three seasons of spring, summer and autumn, dip angle equipment ad
18、opted local latitude. 3.4.3.2 is only used in summer, setting back small angle than 10 degrees. The use of 3.4.3.3 or only in the winter, when back 10 degrees of inclination. 3.4.4 direct heating heat storage water tank for installation: 3.4.4.1 water supply should be brought to the bottom of the ta
19、nk, water tank or hopper can be used to water distribution. 3.4.4.2 hot water should flow out from the upper part of the tank, and the height of the pipe is generally 50 to 100mm lower than that of the upper circulation pipe. In order to ensure the full use of the water in the tank, the outlet pipe
20、at the bottom of the tank should be connected with the upper hot water pipe in parallel. 3.4.4.3 on the loop pipe connected to the upper part of the tank, generally lower than the tank top of about 200mm, but to ensure that the normal circulation submerged below the surface, and after the installati
21、on of floating ball valve work properly. 3.4.4.4 below the loop pipe from the lower part of the water tank, in order to prevent water tank sediment into the heat collector, the water outlet should be more than 50mm above the water tank bottom. 3.4.4.5 the circulating pipe which is connected to the h
22、ot water tank from the collector and the header pipe shall have a slope of no less than 0.005. 3.4.4.6 water tank should have vent pipe, vent pipe, overflow pipe and required instrument device. 3.4.4.7 heat storage water tank installation to ensure normal circulation, heat storage tank bottom must b
23、e higher than the highest point 200mm above the collector, the upper and lower sets outside the heat collector should be higher than 600mm. 3.4.5 water pipe installation 3.4.5.1 natural circulation system for circular pipe installation: a reduce head loss, should try to shorten the upper and lower c
24、irculation pipe length and reduce the number of elbow, should be greater than 4 times the radius of curvature and a smooth inner wall of elbow and downstream three. The valve should not be installed on the B line. C in the setting of several collectors, collectors can be parallel, serial or parallel
25、, but to ensure the flow of uniform distribution, in order to prevent the short-circuit and stagnation of the circulation pipeline should be symmetrical installation, head loss balance of each loop cycle. D in order to prevent the air resistance and stagnation of the circulation pipeline (including
26、upper and lower headers) should be installed not less than 0.01 slope, in order to exhaust.The top of the pipeline shall be provided with an air vent or an automatic exhaust valve. E the lowest point of the circulation pipeline system shall be equipped with a drain valve, so that all the water store
27、d in the system will be discharged. Thermometers should be added to each collector outlet. 3.4.6 hot water supply piping system installed with the SGBZ-0502 indoor water supply pipe installation construction process standards. 3.4.7 piping system test should be done before the insulation test, the p
28、ressure value should be 1.5 times the work pressure of the piping system. Minimum not less than 0.5Mpa. After the 3.4.8 system is tested, it should be done by washing or blowing until the dirt is washed clean. 3.4.9 water heater installed in the system, before the date according to the design requir
29、ements of temperature control instrumentation installation. 3.4.10 according to the design requirements, do anti-corrosion and insulation work. 3.4.11 solar water heater system before the date of commissioning, the system is full of water, remove air, check the circulating pipeline without air resis
30、tance and viscous flow, mechanical cycle check the pump operation and the temperature loop is balanced, good temperature record, the water through the collector should generally be temperature 3 to 5 DEG C. To meet the requirements for acceptance procedures.4, quality standards4.1 General provisions
31、 of the 4.1 4.1.1 this chapter applies to work pressure is not greater than 1.0MPa, hot water temperature is not more than 75 degrees indoor hot water supply pipe installation engineering 4.1.1 quality inspection and acceptance. 4.1.2 hot water supply system shall be made of plastic pipe, composite
32、pipe, galvanized steel pipe and copper pipe. 4.1.24.1.3 piping and fittings for hot water supply systems shall be installed in accordance with the relevant provisions of section 4.2 of this code. 4.1.3 4.2 piping and fittings installation 4.2 main control project 4.2.1 hot water supply system is ins
33、talled and the pipe should be tested before insulation. The test pressure should meet the design requirements. When the 4.2.1 meter is not specified, the hydraulic test pressure of the hot water supply system shall be the working pressure of the system vertex plus 0.1MPa, and the test pressure at th
34、e peak of the system shall be no less than 0.3MPa. Test method: composite piping system test pressure under 10min pressure drop is not greater than 0.02MPa, and then down to the work pressure check, the pressure should not drop, and no seepage, no leakage. 4.2.2 hot water supply pipeline should make
35、 full use of natural bend compensation thermal expansion, the line segment is too long, should set the compensator. The type of compensator, 4.2.2 specification and position shall be in accordance with the design requirements and pre drawing according to relevant regulations. Inspection method: chec
36、k with design drawing. 4.2.3 hot water supply system must be flushed after completion. 4.2.3 test method: field observation and examination. General project 4.2.4 pipe installation shall be in accordance with the design requirements. 4.2.4 test method: level ruler, pull ruler quantity check. 4.2.5 t
37、emperature controllers and valves shall be installed for easy viewing and maintenance. 4.2.5 test method: observation and examination. 4.2.6 the allowable deviation of the installation of hot water supply piping and valves shall comply with the provisions of table 4.2.8 of this specification. 4.2.6
38、4.2.7 hot water supply system (thermal insulation pipe should be installed, all the piping except the bathroom) in accordance with the design provisions of 4.2.7 insulation materials, thickness, protective shell should be. The allowable deviation of the thickness and integrity of the insulation laye
39、r shall be in accordance with the provisions of the 4.4.8 in this specification. 4.3 auxiliary equipment installation 4.3 main control item 4.3.1 before installing solar collector glass,The hydraulic test of the heat collecting pipe and the upper and the lower collecting pipes is performed. The test
40、 pressure is 1.5 times of the working force 4.3.1 force. Test method: under test pressure, 10min pressure does not drop, no seepage, no leakage. The general project 4.3.6 fixed type solar water heater, should be toward the south. If the condition is limited, the offset angle shall not be greater tha
41、n 15 degrees. The dip angle of the collector 4.3.6 is used in the three seasons of spring, summer and autumn, and the local latitude should be used as the dip angle. If the summer is dominant, the local latitude will be reduced by 10 degrees. Methods of examination: observation and graduation examin
42、ation. 4.3.7 the circulating pipe connected by the collector and the header pipe to the hot water tank shall have a slope of no less than 5 per thousand. 4.3.7 test method: foot scale examination. 4.3.8 4.3.8 solar water heater should be installed at the lowest discharge device. Test method: observa
43、tion and examination. 4.3.9 4.3.9 solar water heaters which use water as medium shall be used under 0 degrees Celsius. Anti freezing measures shall be taken. Test method: observation and examination. The allowable deviation of installation of 4.3.10 10 solar water heater shall comply with the provis
44、ions of table 4.3.14. Table 4.3.10 4.3.10 solar water heater installation deviation and check method of project inspection method of allowable deviation of elevation from center line (mm) to + 20 ruler straight plate solar water heater installed toward the maximum offset angle not greater than 15 DE
45、G protractor check5, finished product protection5.1 the collector shall be protected during the course of transportation and installation to prevent broken glass. 5.2 temperature control instrument should be installed before commissioning, prevent loss and damage. 5.3 solar water heater in winter do
46、 not use the system of water purification.6, should pay attention to quality problemsThe 6.1.1 correctly adjusts the installation position and inclination of the collector so as to ensure the best sunshine intensity. 6.1.2 grade adjustment circulating pipe and the gas flow shorten the pipeline, to p
47、revent and reduce the resistance loss of resistance. The installation position of 6.1.3 solar water heater should avoid the shadow of other buildings and ensure sufficient sunshine intensity. When installing 6.1.4 solar water heaters, the chimney is prevented from being placed in the chimney and oth
48、er smoke generating facilities, so as to prevent smoke pollution and the transparent cover affect the light transmission. 6.1.5 solar water heaters should avoid air vents to reduce heat loss. The steel structure support of the solar water heating system supported by 6.1.6 shall be reliably connected
49、 with the grounding system of the building and shall be treated as required.7 quality records7.1 should have the factory certificate of materials and equipment. 7.2 material and equipment incoming inspection record. 7.3 of the pre recorded pipeline system. 7.4 hidden inspection records of piping system. Record of pressure test for 7.5 piping system. 7.6 flushing records of the system. 7.7 test records of hot storage tank full water. 7.8 debug records of the system.8, safe